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* [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot
@ 2015-11-06  9:53 Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver Lin Huang
                   ` (19 more replies)
  0 siblings, 20 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

This series patch bring up rk3036 uboot, since rk3036 only 4K size
SRAM for SPL, so in SPL stage only support timer, uart, sdram driver,
and back to bootrom when finish ddr initial, and boot up second stage
from bootrom.

Jeffy Chen (2):
  rockchip: Add max init size & chip tag configs
  rockchip: Add support for rk's second level loader

Lin Huang (18):
  rockchip: add timer driver
  rockchip: move SYS_MALLOC_F_LEN to rk3288 own Kconfig
  rockchip: rename board-spl.c to rk3288-board-spl.c
  rockchip: add config decide whether to build common.c
  dm: core: Add SPL Kconfig for REGMAP and SYSCON
  rockchip: serial driver support rk3036
  rockchip: Bring in RK3036 device tree file includes and bindings
  rockchip: rk3036: Add clock driver
  rockchip: rk3036: Add header files for GRF
  rockchip: rk3036: Add Soc reset driver
  rockchip: rk3036: Add a simple syscon driver
  rockchip: rk3036: Add pinctrl driver
  rockchip: Add an rk3036 MMC driver
  rockchip: add early uart driver
  rockchip: add rk3036 sdram driver
  rockchip: rk3036: Add core Soc start-up code
  rockchip: Add basic support for evb-rk3036 board
  rockchip: doc: show packet rk3036 uboot image

 arch/arm/dts/Makefile                             |   3 +-
 arch/arm/dts/rk3036-sdk.dts                       |  46 ++
 arch/arm/dts/rk3036.dtsi                          | 427 +++++++++++++
 arch/arm/include/asm/arch-rockchip/cru_rk3036.h   | 168 +++++
 arch/arm/include/asm/arch-rockchip/grf_rk3036.h   | 493 +++++++++++++++
 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
 arch/arm/include/asm/arch-rockchip/timer.h        |  22 +
 arch/arm/include/asm/arch-rockchip/uart.h         |  44 ++
 arch/arm/mach-rockchip/Kconfig                    |  13 +-
 arch/arm/mach-rockchip/Makefile                   |  10 +-
 arch/arm/mach-rockchip/board-spl.c                | 294 ---------
 arch/arm/mach-rockchip/board.c                    |   1 +
 arch/arm/mach-rockchip/rk3036-board-spl.c         |  53 ++
 arch/arm/mach-rockchip/rk3036/Kconfig             |  17 +
 arch/arm/mach-rockchip/rk3036/Makefile            |  13 +
 arch/arm/mach-rockchip/rk3036/reset_rk3036.c      |  45 ++
 arch/arm/mach-rockchip/rk3036/save_boot_param.S   |  34 +
 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 ++++++++++++++++++++++
 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c     |  21 +
 arch/arm/mach-rockchip/rk3288-board-spl.c         | 277 ++++++++
 arch/arm/mach-rockchip/rk3288/Kconfig             |   3 +
 arch/arm/mach-rockchip/rk_early_print.c           |  56 ++
 arch/arm/mach-rockchip/rk_timer.c                 |  48 ++
 board/evb_rk3036/evb_rk3036/Kconfig               |  15 +
 board/evb_rk3036/evb_rk3036/MAINTAINERS           |   0
 board/evb_rk3036/evb_rk3036/Makefile              |   7 +
 board/evb_rk3036/evb_rk3036/evb_rk3036.c          |  48 ++
 configs/chromebook_jerry_defconfig                |   2 +
 configs/evb-rk3036_defconfig                      |  25 +
 configs/firefly-rk3288_defconfig                  |   2 +
 configs/sandbox_defconfig                         |   2 +
 doc/README.rockchip                               |   7 +
 drivers/clk/Makefile                              |   1 +
 drivers/clk/clk_rk3036.c                          | 414 ++++++++++++
 drivers/core/Kconfig                              |  19 +
 drivers/core/Makefile                             |   4 +-
 drivers/mmc/Kconfig                               |   9 +
 drivers/mmc/Makefile                              |   1 +
 drivers/mmc/rockchip_3036_dw_mmc.c                | 485 ++++++++++++++
 drivers/pinctrl/Kconfig                           |  18 +
 drivers/pinctrl/rockchip/Makefile                 |   1 +
 drivers/pinctrl/rockchip/pinctrl_rk3036.c         | 276 ++++++++
 drivers/serial/serial_rockchip.c                  |   1 +
 include/configs/evb_rk3036.h                      |  12 +
 include/configs/rk3036_common.h                   | 111 ++++
 include/configs/rk3288_common.h                   |   9 +-
 include/dt-bindings/clock/rk3036-cru.h            | 186 ++++++
 tools/Makefile                                    |   6 +
 tools/rkcommon.c                                  |  26 +-
 tools/rkcommon.h                                  |   4 +-
 tools/rkimage.c                                   |   2 +-
 tools/rksd.c                                      |   6 +-
 tools/rkspi.c                                     |   6 +-
 53 files changed, 4529 insertions(+), 329 deletions(-)
 create mode 100644 arch/arm/dts/rk3036-sdk.dts
 create mode 100644 arch/arm/dts/rk3036.dtsi
 create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3036.h
 create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3036.h
 create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
 create mode 100644 arch/arm/include/asm/arch-rockchip/timer.h
 create mode 100644 arch/arm/include/asm/arch-rockchip/uart.h
 delete mode 100644 arch/arm/mach-rockchip/board-spl.c
 create mode 100644 arch/arm/mach-rockchip/rk3036-board-spl.c
 create mode 100644 arch/arm/mach-rockchip/rk3036/Kconfig
 create mode 100644 arch/arm/mach-rockchip/rk3036/Makefile
 create mode 100644 arch/arm/mach-rockchip/rk3036/reset_rk3036.c
 create mode 100644 arch/arm/mach-rockchip/rk3036/save_boot_param.S
 create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
 create mode 100644 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
 create mode 100644 arch/arm/mach-rockchip/rk3288-board-spl.c
 create mode 100644 arch/arm/mach-rockchip/rk_early_print.c
 create mode 100644 arch/arm/mach-rockchip/rk_timer.c
 create mode 100644 board/evb_rk3036/evb_rk3036/Kconfig
 create mode 100644 board/evb_rk3036/evb_rk3036/MAINTAINERS
 create mode 100644 board/evb_rk3036/evb_rk3036/Makefile
 create mode 100644 board/evb_rk3036/evb_rk3036/evb_rk3036.c
 create mode 100644 configs/evb-rk3036_defconfig
 create mode 100644 drivers/clk/clk_rk3036.c
 create mode 100644 drivers/mmc/rockchip_3036_dw_mmc.c
 create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3036.c
 create mode 100644 include/configs/evb_rk3036.h
 create mode 100644 include/configs/rk3036_common.h
 create mode 100644 include/dt-bindings/clock/rk3036-cru.h

-- 
1.9.1

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06 12:08   ` Simon Glass
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 02/20] rockchip: move SYS_MALLOC_F_LEN to rk3288 own Kconfig Lin Huang
                   ` (18 subsequent siblings)
  19 siblings, 1 reply; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

some rockchip soc will not include lib/timer.c in SPL stage,
so implement timer driver for some soc can use us delay function in SPL.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2:
- add udelay function
Changes in v3:
- fix some coding style

 arch/arm/include/asm/arch-rockchip/timer.h | 22 ++++++++++++++
 arch/arm/mach-rockchip/Makefile            |  1 +
 arch/arm/mach-rockchip/board-spl.c         | 21 ++-----------
 arch/arm/mach-rockchip/rk_timer.c          | 48 ++++++++++++++++++++++++++++++
 include/configs/rk3288_common.h            |  3 +-
 5 files changed, 75 insertions(+), 20 deletions(-)
 create mode 100644 arch/arm/include/asm/arch-rockchip/timer.h
 create mode 100644 arch/arm/mach-rockchip/rk_timer.c

diff --git a/arch/arm/include/asm/arch-rockchip/timer.h b/arch/arm/include/asm/arch-rockchip/timer.h
new file mode 100644
index 0000000..59444d4
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/timer.h
@@ -0,0 +1,22 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_TIMER_H
+#define __ASM_ARCH_TIMER_H
+
+struct rk_timer {
+	unsigned int timer_load_count0;
+	unsigned int timer_load_count1;
+	unsigned int timer_curr_value0;
+	unsigned int timer_curr_value1;
+	unsigned int timer_ctrl_reg;
+	unsigned int timer_int_status;
+};
+
+void rockchip_timer_init(void);
+void rockchip_udelay(unsigned int us);
+
+#endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 5a4e383..abe03a8 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -10,4 +10,5 @@ else
 obj-y += board.o
 endif
 obj-y += common.o
+obj-y += rk_timer.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
diff --git a/arch/arm/mach-rockchip/board-spl.c b/arch/arm/mach-rockchip/board-spl.c
index 28c3949..0426adf 100644
--- a/arch/arm/mach-rockchip/board-spl.c
+++ b/arch/arm/mach-rockchip/board-spl.c
@@ -18,6 +18,7 @@
 #include <asm/arch/hardware.h>
 #include <asm/arch/periph.h>
 #include <asm/arch/sdram.h>
+#include <asm/arch/timer.h>
 #include <dm/pinctrl.h>
 #include <dm/root.h>
 #include <dm/test.h>
@@ -110,24 +111,6 @@ static void configure_l2ctlr(void)
 	write_l2ctlr(l2ctlr);
 }
 
-struct rk3288_timer {
-	u32 timer_load_count0;
-	u32 timer_load_count1;
-	u32 timer_curr_value0;
-	u32 timer_curr_value1;
-	u32 timer_ctrl_reg;
-	u32 timer_int_status;
-};
-
-void init_timer(void)
-{
-	struct rk3288_timer * const timer7_ptr = (void *)TIMER7_BASE;
-
-	writel(0xffffffff, &timer7_ptr->timer_load_count0);
-	writel(0xffffffff, &timer7_ptr->timer_load_count1);
-	writel(1, &timer7_ptr->timer_ctrl_reg);
-}
-
 static int configure_emmc(struct udevice *pinctrl)
 {
 	struct gpio_desc desc;
@@ -197,7 +180,7 @@ void board_init_f(ulong dummy)
 		hang();
 	}
 
-	init_timer();
+	rockchip_timer_init();
 	configure_l2ctlr();
 
 	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
diff --git a/arch/arm/mach-rockchip/rk_timer.c b/arch/arm/mach-rockchip/rk_timer.c
new file mode 100644
index 0000000..ae693c0
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk_timer.c
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <asm/arch/timer.h>
+#include <asm/io.h>
+#include <common.h>
+#include <linux/types.h>
+
+struct rk_timer * const timer_ptr = (void *)CONFIG_SYS_TIMER_BASE;
+
+static uint64_t rockchip_get_ticks(void)
+{
+	uint64_t timebase_h, timebase_l;
+
+	timebase_l = readl(&timer_ptr->timer_curr_value0);
+	timebase_h = readl(&timer_ptr->timer_curr_value1);
+
+	return timebase_h << 32 | timebase_l;
+}
+
+static unsigned int usec_to_tick(unsigned long usec)
+{
+	unsigned int tick = usec;
+	tick *= CONFIG_SYS_TIMER_RATE / (1000 * 1000);
+	return tick;
+}
+
+void rockchip_udelay(unsigned int us)
+{
+	uint64_t tmp;
+
+	/* get current timestamp */
+	tmp = rockchip_get_ticks() + usec_to_tick(us);
+
+	/* loop till event */
+	while (rockchip_get_ticks() < tmp+1)
+		;
+}
+
+void rockchip_timer_init(void)
+{
+	writel(0xffffffff, &timer_ptr->timer_load_count0);
+	writel(0xffffffff, &timer_ptr->timer_load_count1);
+	writel(1, &timer_ptr->timer_ctrl_reg);
+}
diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h
index 36408b9..cdea6cb 100644
--- a/include/configs/rk3288_common.h
+++ b/include/configs/rk3288_common.h
@@ -23,7 +23,8 @@
 #define CONFIG_DISPLAY_BOARDINFO
 
 #define CONFIG_SYS_TIMER_RATE		(24 * 1000 * 1000)
-#define CONFIG_SYS_TIMER_COUNTER	(TIMER7_BASE + 8)
+#define	CONFIG_SYS_TIMER_BASE		0xff810020 /* TIMER7 */
+#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
 
 #define CONFIG_SPL_FRAMEWORK
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 02/20] rockchip: move SYS_MALLOC_F_LEN to rk3288 own Kconfig
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 03/20] rockchip: rename board-spl.c to rk3288-board-spl.c Lin Huang
                   ` (17 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

since different rockchip SOC have different size of SRAM,
So the size SYS_MALLOC_F_LEN may different, so move this
config to rk3288 own Kconfig

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3: None

 arch/arm/mach-rockchip/Kconfig        | 3 ---
 arch/arm/mach-rockchip/rk3288/Kconfig | 3 +++
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index ab50f4e..da665ef 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -12,9 +12,6 @@ config ROCKCHIP_RK3288
 config SYS_MALLOC_F
 	default y
 
-config SYS_MALLOC_F_LEN
-	default 0x800
-
 config SPL_DM
 	default y
 
diff --git a/arch/arm/mach-rockchip/rk3288/Kconfig b/arch/arm/mach-rockchip/rk3288/Kconfig
index 4d0f1b5..d0a7276 100644
--- a/arch/arm/mach-rockchip/rk3288/Kconfig
+++ b/arch/arm/mach-rockchip/rk3288/Kconfig
@@ -19,6 +19,9 @@ config TARGET_CHROMEBOOK_JERRY
 config SYS_SOC
 	default "rockchip"
 
+config SYS_MALLOC_F_LEN
+	default 0x0800
+
 source "board/google/chromebook_jerry/Kconfig"
 
 source "board/firefly/firefly-rk3288/Kconfig"
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 03/20] rockchip: rename board-spl.c to rk3288-board-spl.c
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 02/20] rockchip: move SYS_MALLOC_F_LEN to rk3288 own Kconfig Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 04/20] rockchip: add config decide whether to build common.c Lin Huang
                   ` (16 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

since different rockchip soc need different spl file,
so rename board-spl.c.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3: None

 arch/arm/mach-rockchip/Makefile           |   2 +-
 arch/arm/mach-rockchip/board-spl.c        | 277 ------------------------------
 arch/arm/mach-rockchip/rk3288-board-spl.c | 277 ++++++++++++++++++++++++++++++
 3 files changed, 278 insertions(+), 278 deletions(-)
 delete mode 100644 arch/arm/mach-rockchip/board-spl.c
 create mode 100644 arch/arm/mach-rockchip/rk3288-board-spl.c

diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index abe03a8..7088711 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -5,7 +5,7 @@
 #
 
 ifdef CONFIG_SPL_BUILD
-obj-y += board-spl.o
+obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
 else
 obj-y += board.o
 endif
diff --git a/arch/arm/mach-rockchip/board-spl.c b/arch/arm/mach-rockchip/board-spl.c
deleted file mode 100644
index 0426adf..0000000
--- a/arch/arm/mach-rockchip/board-spl.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * (C) Copyright 2015 Google, Inc
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <debug_uart.h>
-#include <dm.h>
-#include <fdtdec.h>
-#include <led.h>
-#include <malloc.h>
-#include <ram.h>
-#include <spl.h>
-#include <asm/gpio.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/periph.h>
-#include <asm/arch/sdram.h>
-#include <asm/arch/timer.h>
-#include <dm/pinctrl.h>
-#include <dm/root.h>
-#include <dm/test.h>
-#include <dm/util.h>
-#include <power/regulator.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-u32 spl_boot_device(void)
-{
-	const void *blob = gd->fdt_blob;
-	struct udevice *dev;
-	const char *bootdev;
-	int node;
-	int ret;
-
-	bootdev = fdtdec_get_config_string(blob, "u-boot,boot0");
-	debug("Boot device %s\n", bootdev);
-	if (!bootdev)
-		goto fallback;
-
-	node = fdt_path_offset(blob, bootdev);
-	if (node < 0) {
-		debug("node=%d\n", node);
-		goto fallback;
-	}
-	ret = device_get_global_by_of_offset(node, &dev);
-	if (ret) {
-		debug("device@node %s/%d not found: %d\n", bootdev, node,
-		      ret);
-		goto fallback;
-	}
-	debug("Found device %s\n", dev->name);
-	switch (device_get_uclass_id(dev)) {
-	case UCLASS_SPI_FLASH:
-		return BOOT_DEVICE_SPI;
-	case UCLASS_MMC:
-		return BOOT_DEVICE_MMC1;
-	default:
-		debug("Booting from device uclass '%s' not supported\n",
-		      dev_get_uclass_name(dev));
-	}
-
-fallback:
-	return BOOT_DEVICE_MMC1;
-}
-
-u32 spl_boot_mode(void)
-{
-	return MMCSD_MODE_RAW;
-}
-
-/* read L2 control register (L2CTLR) */
-static inline uint32_t read_l2ctlr(void)
-{
-	uint32_t val = 0;
-
-	asm volatile ("mrc p15, 1, %0, c9, c0, 2" : "=r" (val));
-
-	return val;
-}
-
-/* write L2 control register (L2CTLR) */
-static inline void write_l2ctlr(uint32_t val)
-{
-	/*
-	 * Note: L2CTLR can only be written when the L2 memory system
-	 * is idle, ie before the MMU is enabled.
-	 */
-	asm volatile("mcr p15, 1, %0, c9, c0, 2" : : "r" (val) : "memory");
-	isb();
-}
-
-static void configure_l2ctlr(void)
-{
-	uint32_t l2ctlr;
-
-	l2ctlr = read_l2ctlr();
-	l2ctlr &= 0xfffc0000; /* clear bit0~bit17 */
-
-	/*
-	* Data RAM write latency: 2 cycles
-	* Data RAM read latency: 2 cycles
-	* Data RAM setup latency: 1 cycle
-	* Tag RAM write latency: 1 cycle
-	* Tag RAM read latency: 1 cycle
-	* Tag RAM setup latency: 1 cycle
-	*/
-	l2ctlr |= (1 << 3 | 1 << 0);
-	write_l2ctlr(l2ctlr);
-}
-
-static int configure_emmc(struct udevice *pinctrl)
-{
-	struct gpio_desc desc;
-	int ret;
-
-	pinctrl_request_noflags(pinctrl, PERIPH_ID_EMMC);
-
-	/*
-	 * TODO(sjg@chromium.org): Pick this up from device tree or perhaps
-	 * use the EMMC_PWREN setting.
-	 */
-	ret = dm_gpio_lookup_name("D9", &desc);
-	if (ret) {
-		debug("gpio ret=%d\n", ret);
-		return ret;
-	}
-	ret = dm_gpio_request(&desc, "emmc_pwren");
-	if (ret) {
-		debug("gpio_request ret=%d\n", ret);
-		return ret;
-	}
-	ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
-	if (ret) {
-		debug("gpio dir ret=%d\n", ret);
-		return ret;
-	}
-	ret = dm_gpio_set_value(&desc, 1);
-	if (ret) {
-		debug("gpio value ret=%d\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-
-void board_init_f(ulong dummy)
-{
-	struct udevice *pinctrl;
-	struct udevice *dev;
-	int ret;
-
-	/* Example code showing how to enable the debug UART on RK3288 */
-#ifdef EARLY_UART
-#include <asm/arch/grf_rk3288.h>
-	/* Enable early UART on the RK3288 */
-#define GRF_BASE	0xff770000
-	struct rk3288_grf * const grf = (void *)GRF_BASE;
-
-	rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
-		     GPIO7C6_MASK << GPIO7C6_SHIFT,
-		     GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
-		     GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
-	/*
-	 * Debug UART can be used from here if required:
-	 *
-	 * debug_uart_init();
-	 * printch('a');
-	 * printhex8(0x1234);
-	 * printascii("string");
-	 */
-	debug_uart_init();
-#endif
-
-	ret = spl_init();
-	if (ret) {
-		debug("spl_init() failed: %d\n", ret);
-		hang();
-	}
-
-	rockchip_timer_init();
-	configure_l2ctlr();
-
-	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
-	if (ret) {
-		debug("CLK init failed: %d\n", ret);
-		return;
-	}
-
-	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
-	if (ret) {
-		debug("Pinctrl init failed: %d\n", ret);
-		return;
-	}
-
-	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
-	if (ret) {
-		debug("DRAM init failed: %d\n", ret);
-		return;
-	}
-
-	/*
-	 * Now that DRAM is initialized setup base pointer for simple malloc
-	 * into RAM.
-	 */
-	gd->malloc_base = CONFIG_SPL_STACK_R_ADDR;
-	gd->malloc_ptr = 0;
-}
-
-static int setup_led(void)
-{
-#ifdef CONFIG_SPL_LED
-	struct udevice *dev;
-	char *led_name;
-	int ret;
-
-	led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
-	if (!led_name)
-		return 0;
-	ret = led_get_by_label(led_name, &dev);
-	if (ret) {
-		debug("%s: get=%d\n", __func__, ret);
-		return ret;
-	}
-	ret = led_set_on(dev, 1);
-	if (ret)
-		return ret;
-#endif
-
-	return 0;
-}
-
-void spl_board_init(void)
-{
-	struct udevice *pinctrl;
-	int ret;
-
-	ret = setup_led();
-
-	if (ret) {
-		debug("LED ret=%d\n", ret);
-		hang();
-	}
-
-	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
-	if (ret) {
-		debug("%s: Cannot find pinctrl device\n", __func__);
-		goto err;
-	}
-	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
-	if (ret) {
-		debug("%s: Failed to set up SD card\n", __func__);
-		goto err;
-	}
-	ret = configure_emmc(pinctrl);
-	if (ret) {
-		debug("%s: Failed to set up eMMC\n", __func__);
-		goto err;
-	}
-
-	/* Enable debug UART */
-	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
-	if (ret) {
-		debug("%s: Failed to set up console UART\n", __func__);
-		goto err;
-	}
-
-	preloader_console_init();
-	return;
-err:
-	printf("spl_board_init: Error %d\n", ret);
-
-	/* No way to report error here */
-	hang();
-}
diff --git a/arch/arm/mach-rockchip/rk3288-board-spl.c b/arch/arm/mach-rockchip/rk3288-board-spl.c
new file mode 100644
index 0000000..0426adf
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3288-board-spl.c
@@ -0,0 +1,277 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <led.h>
+#include <malloc.h>
+#include <ram.h>
+#include <spl.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/sdram.h>
+#include <asm/arch/timer.h>
+#include <dm/pinctrl.h>
+#include <dm/root.h>
+#include <dm/test.h>
+#include <dm/util.h>
+#include <power/regulator.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+	const void *blob = gd->fdt_blob;
+	struct udevice *dev;
+	const char *bootdev;
+	int node;
+	int ret;
+
+	bootdev = fdtdec_get_config_string(blob, "u-boot,boot0");
+	debug("Boot device %s\n", bootdev);
+	if (!bootdev)
+		goto fallback;
+
+	node = fdt_path_offset(blob, bootdev);
+	if (node < 0) {
+		debug("node=%d\n", node);
+		goto fallback;
+	}
+	ret = device_get_global_by_of_offset(node, &dev);
+	if (ret) {
+		debug("device@node %s/%d not found: %d\n", bootdev, node,
+		      ret);
+		goto fallback;
+	}
+	debug("Found device %s\n", dev->name);
+	switch (device_get_uclass_id(dev)) {
+	case UCLASS_SPI_FLASH:
+		return BOOT_DEVICE_SPI;
+	case UCLASS_MMC:
+		return BOOT_DEVICE_MMC1;
+	default:
+		debug("Booting from device uclass '%s' not supported\n",
+		      dev_get_uclass_name(dev));
+	}
+
+fallback:
+	return BOOT_DEVICE_MMC1;
+}
+
+u32 spl_boot_mode(void)
+{
+	return MMCSD_MODE_RAW;
+}
+
+/* read L2 control register (L2CTLR) */
+static inline uint32_t read_l2ctlr(void)
+{
+	uint32_t val = 0;
+
+	asm volatile ("mrc p15, 1, %0, c9, c0, 2" : "=r" (val));
+
+	return val;
+}
+
+/* write L2 control register (L2CTLR) */
+static inline void write_l2ctlr(uint32_t val)
+{
+	/*
+	 * Note: L2CTLR can only be written when the L2 memory system
+	 * is idle, ie before the MMU is enabled.
+	 */
+	asm volatile("mcr p15, 1, %0, c9, c0, 2" : : "r" (val) : "memory");
+	isb();
+}
+
+static void configure_l2ctlr(void)
+{
+	uint32_t l2ctlr;
+
+	l2ctlr = read_l2ctlr();
+	l2ctlr &= 0xfffc0000; /* clear bit0~bit17 */
+
+	/*
+	* Data RAM write latency: 2 cycles
+	* Data RAM read latency: 2 cycles
+	* Data RAM setup latency: 1 cycle
+	* Tag RAM write latency: 1 cycle
+	* Tag RAM read latency: 1 cycle
+	* Tag RAM setup latency: 1 cycle
+	*/
+	l2ctlr |= (1 << 3 | 1 << 0);
+	write_l2ctlr(l2ctlr);
+}
+
+static int configure_emmc(struct udevice *pinctrl)
+{
+	struct gpio_desc desc;
+	int ret;
+
+	pinctrl_request_noflags(pinctrl, PERIPH_ID_EMMC);
+
+	/*
+	 * TODO(sjg@chromium.org): Pick this up from device tree or perhaps
+	 * use the EMMC_PWREN setting.
+	 */
+	ret = dm_gpio_lookup_name("D9", &desc);
+	if (ret) {
+		debug("gpio ret=%d\n", ret);
+		return ret;
+	}
+	ret = dm_gpio_request(&desc, "emmc_pwren");
+	if (ret) {
+		debug("gpio_request ret=%d\n", ret);
+		return ret;
+	}
+	ret = dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	if (ret) {
+		debug("gpio dir ret=%d\n", ret);
+		return ret;
+	}
+	ret = dm_gpio_set_value(&desc, 1);
+	if (ret) {
+		debug("gpio value ret=%d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+void board_init_f(ulong dummy)
+{
+	struct udevice *pinctrl;
+	struct udevice *dev;
+	int ret;
+
+	/* Example code showing how to enable the debug UART on RK3288 */
+#ifdef EARLY_UART
+#include <asm/arch/grf_rk3288.h>
+	/* Enable early UART on the RK3288 */
+#define GRF_BASE	0xff770000
+	struct rk3288_grf * const grf = (void *)GRF_BASE;
+
+	rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT |
+		     GPIO7C6_MASK << GPIO7C6_SHIFT,
+		     GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT |
+		     GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT);
+	/*
+	 * Debug UART can be used from here if required:
+	 *
+	 * debug_uart_init();
+	 * printch('a');
+	 * printhex8(0x1234);
+	 * printascii("string");
+	 */
+	debug_uart_init();
+#endif
+
+	ret = spl_init();
+	if (ret) {
+		debug("spl_init() failed: %d\n", ret);
+		hang();
+	}
+
+	rockchip_timer_init();
+	configure_l2ctlr();
+
+	ret = uclass_get_device(UCLASS_CLK, 0, &dev);
+	if (ret) {
+		debug("CLK init failed: %d\n", ret);
+		return;
+	}
+
+	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+	if (ret) {
+		debug("Pinctrl init failed: %d\n", ret);
+		return;
+	}
+
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+	if (ret) {
+		debug("DRAM init failed: %d\n", ret);
+		return;
+	}
+
+	/*
+	 * Now that DRAM is initialized setup base pointer for simple malloc
+	 * into RAM.
+	 */
+	gd->malloc_base = CONFIG_SPL_STACK_R_ADDR;
+	gd->malloc_ptr = 0;
+}
+
+static int setup_led(void)
+{
+#ifdef CONFIG_SPL_LED
+	struct udevice *dev;
+	char *led_name;
+	int ret;
+
+	led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
+	if (!led_name)
+		return 0;
+	ret = led_get_by_label(led_name, &dev);
+	if (ret) {
+		debug("%s: get=%d\n", __func__, ret);
+		return ret;
+	}
+	ret = led_set_on(dev, 1);
+	if (ret)
+		return ret;
+#endif
+
+	return 0;
+}
+
+void spl_board_init(void)
+{
+	struct udevice *pinctrl;
+	int ret;
+
+	ret = setup_led();
+
+	if (ret) {
+		debug("LED ret=%d\n", ret);
+		hang();
+	}
+
+	ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl);
+	if (ret) {
+		debug("%s: Cannot find pinctrl device\n", __func__);
+		goto err;
+	}
+	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD);
+	if (ret) {
+		debug("%s: Failed to set up SD card\n", __func__);
+		goto err;
+	}
+	ret = configure_emmc(pinctrl);
+	if (ret) {
+		debug("%s: Failed to set up eMMC\n", __func__);
+		goto err;
+	}
+
+	/* Enable debug UART */
+	ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_UART_DBG);
+	if (ret) {
+		debug("%s: Failed to set up console UART\n", __func__);
+		goto err;
+	}
+
+	preloader_console_init();
+	return;
+err:
+	printf("spl_board_init: Error %d\n", ret);
+
+	/* No way to report error here */
+	hang();
+}
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 04/20] rockchip: add config decide whether to build common.c
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (2 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 03/20] rockchip: rename board-spl.c to rk3288-board-spl.c Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 05/20] dm: core: Add SPL Kconfig for REGMAP and SYSCON Lin Huang
                   ` (15 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

some rockchips soc will not use uclass in SPL stage,
so define config to decide whether to build common.c

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3: None

 arch/arm/mach-rockchip/Makefile | 2 +-
 include/configs/rk3288_common.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 7088711..902235b 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -9,6 +9,6 @@ obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
 else
 obj-y += board.o
 endif
-obj-y += common.o
 obj-y += rk_timer.o
+obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h
index cdea6cb..5ba084d 100644
--- a/include/configs/rk3288_common.h
+++ b/include/configs/rk3288_common.h
@@ -44,6 +44,9 @@
 #define CONFIG_SPL_STACK		0xff718000
 #define CONFIG_SPL_TEXT_BASE		0xff704004
 
+#define CONFIG_ROCKCHIP_COMMON
+#define CONFIG_SPL_ROCKCHIP_COMMON
+
 /* MMC/SD IP block */
 #define CONFIG_MMC
 #define CONFIG_GENERIC_MMC
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 05/20] dm: core: Add SPL Kconfig for REGMAP and SYSCON
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (3 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 04/20] rockchip: add config decide whether to build common.c Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 06/20] rockchip: serial driver support rk3036 Lin Huang
                   ` (14 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Add SPL Kconfig for REGMAP and SYSCON, so REGMAP and SYSCON can
remove from SPL stage.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3:
- fix compile error

 configs/chromebook_jerry_defconfig |  2 ++
 configs/firefly-rk3288_defconfig   |  2 ++
 configs/sandbox_defconfig          |  2 ++
 drivers/core/Kconfig               | 19 +++++++++++++++++++
 drivers/core/Makefile              |  4 ++--
 5 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/configs/chromebook_jerry_defconfig b/configs/chromebook_jerry_defconfig
index 3ded392..eca8409 100644
--- a/configs/chromebook_jerry_defconfig
+++ b/configs/chromebook_jerry_defconfig
@@ -12,11 +12,13 @@ CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_SPL_SYSCON=y
 CONFIG_LED=y
 CONFIG_SPL_LED=y
 CONFIG_LED_GPIO=y
diff --git a/configs/firefly-rk3288_defconfig b/configs/firefly-rk3288_defconfig
index edb2db2..ec7ab8e 100644
--- a/configs/firefly-rk3288_defconfig
+++ b/configs/firefly-rk3288_defconfig
@@ -12,11 +12,13 @@ CONFIG_CMD_PMIC=y
 CONFIG_CMD_REGULATOR=y
 CONFIG_SPL_OF_CONTROL=y
 CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
 CONFIG_CLK=y
 CONFIG_SPL_CLK=y
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_SPL_SYSCON=y
 CONFIG_LED=y
 CONFIG_LED_GPIO=y
 CONFIG_RESET=y
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 67ae99b..afee421 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -17,7 +17,9 @@ CONFIG_CMD_TPM_TEST=y
 CONFIG_OF_CONTROL=y
 CONFIG_OF_HOSTFILE=y
 CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
 CONFIG_SYSCON=y
+CONFIG_SPL_SYSCON=y
 CONFIG_DEVRES=y
 CONFIG_CLK=y
 CONFIG_SANDBOX_GPIO=y
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
index 15681df..ac68172 100644
--- a/drivers/core/Kconfig
+++ b/drivers/core/Kconfig
@@ -72,6 +72,16 @@ config REGMAP
 	  support any bus type (I2C, SPI) but so far this only supports
 	  direct memory access.
 
+config SPL_REGMAP
+	bool "Support register maps in SPL"
+	depends on DM
+	help
+	  Hardware peripherals tend to have one or more sets of registers
+	  which can be accessed to control the hardware. A register map
+	  models this with a simple read/write interface. It can in principle
+	  support any bus type (I2C, SPI) but so far this only supports
+	  direct memory access.
+
 config SYSCON
 	bool "Support system controllers"
 	depends on REGMAP
@@ -81,6 +91,15 @@ config SYSCON
 	  by this uclass, including accessing registers via regmap and
 	  assigning a unique number to each.
 
+config SPL_SYSCON
+	bool "Support system controllers in SPL"
+	depends on REGMAP
+	help
+	  Many SoCs have a number of system controllers which are dealt with
+	  as a group by a single driver. Some common functionality is provided
+	  by this uclass, including accessing registers via regmap and
+	  assigning a unique number to each.
+
 config DEVRES
 	bool "Managed device resources"
 	depends on DM
diff --git a/drivers/core/Makefile b/drivers/core/Makefile
index f19f67d..07adb61 100644
--- a/drivers/core/Makefile
+++ b/drivers/core/Makefile
@@ -9,5 +9,5 @@ obj-$(CONFIG_DEVRES) += devres.o
 obj-$(CONFIG_$(SPL_)DM_DEVICE_REMOVE)	+= device-remove.o
 obj-$(CONFIG_$(SPL_)SIMPLE_BUS)	+= simple-bus.o
 obj-$(CONFIG_DM)	+= dump.o
-obj-$(CONFIG_REGMAP)	+= regmap.o
-obj-$(CONFIG_SYSCON)	+= syscon-uclass.o
+obj-$(CONFIG_$(SPL_)REGMAP)	+= regmap.o
+obj-$(CONFIG_$(SPL_)SYSCON)	+= syscon-uclass.o
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 06/20] rockchip: serial driver support rk3036
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (4 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 05/20] dm: core: Add SPL Kconfig for REGMAP and SYSCON Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 07/20] rockchip: Bring in RK3036 device tree file includes and bindings Lin Huang
                   ` (13 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2:
- modify code suggest by Simon
Changes in v3: None
 drivers/serial/serial_rockchip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/serial/serial_rockchip.c b/drivers/serial/serial_rockchip.c
index 0e7bbfc..21836bb 100644
--- a/drivers/serial/serial_rockchip.c
+++ b/drivers/serial/serial_rockchip.c
@@ -12,6 +12,7 @@
 
 static const struct udevice_id rockchip_serial_ids[] = {
 	{ .compatible = "rockchip,rk3288-uart" },
+	{ .compatible = "rockchip,rk3036-uart" },
 	{ }
 };
 
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 07/20] rockchip: Bring in RK3036 device tree file includes and bindings
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (5 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 06/20] rockchip: serial driver support rk3036 Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 08/20] rockchip: rk3036: Add clock driver Lin Huang
                   ` (12 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Since rk3036 device tree file still in reviewing, bring it from
https://patchwork.kernel.org/patch/7203371/ and add some aliases
we need in uboot

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2: None
Changes in v3: None

 arch/arm/dts/rk3036.dtsi               | 427 +++++++++++++++++++++++++++++++++
 include/dt-bindings/clock/rk3036-cru.h | 186 ++++++++++++++
 2 files changed, 613 insertions(+)
 create mode 100644 arch/arm/dts/rk3036.dtsi
 create mode 100644 include/dt-bindings/clock/rk3036-cru.h

diff --git a/arch/arm/dts/rk3036.dtsi b/arch/arm/dts/rk3036.dtsi
new file mode 100644
index 0000000..a9ca1e8
--- /dev/null
+++ b/arch/arm/dts/rk3036.dtsi
@@ -0,0 +1,427 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/clock/rk3036-cru.h>
+#include "skeleton.dtsi"
+
+/ {
+	compatible = "rockchip,rk3036";
+
+	interrupt-parent = <&gic>;
+
+	aliases {
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+		i2c1 = &i2c1;
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		mmc0 = &emmc;
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x60000000 0x40000000>;
+	};
+
+        arm-pmu {
+                compatible = "arm,cortex-a7-pmu";
+                interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
+                             <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+                interrupt-affinity = <&cpu0>, <&cpu1>;
+        };
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		enable-method = "rockchip,rk3036-smp";
+
+		cpu0: cpu at f00 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0xf00>;
+			operating-points = <
+				/* KHz    uV */
+				 816000 1000000
+			>;
+			#cooling-cells = <2>; /* min followed by max */
+			clock-latency = <40000>;
+			clocks = <&cru ARMCLK>;
+			resets = <&cru SRST_CORE0>;
+		};
+		cpu1: cpu at f01 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a7";
+			reg = <0xf01>;
+			resets = <&cru SRST_CORE1>;
+		};
+	};
+
+	amba {
+		compatible = "arm,amba-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+                pdma: pdma at 20078000 {
+                        compatible = "arm,pl330", "arm,primecell";
+                        reg = <0x20078000 0x4000>;
+                        arm,pl330-broken-no-flushp;
+                        interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
+                                     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+                        #dma-cells = <1>;
+                        clocks = <&cru ACLK_DMAC2>;
+                        clock-names = "apb_pclk";
+                };
+	};
+
+	xin24m: oscillator {
+		compatible = "fixed-clock";
+		clock-frequency = <24000000>;
+		clock-output-names = "xin24m";
+		#clock-cells = <0>;
+	};
+
+	timer {
+		compatible = "arm,armv7-timer";
+		arm,cpu-registers-not-fw-configured;
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>,
+			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
+		clock-frequency = <24000000>;
+	};
+
+	cru: clock-controller at 20000000 {
+		compatible = "rockchip,rk3036-cru";
+		reg = <0x20000000 0x1000>;
+		rockchip,grf = <&grf>;
+		#clock-cells = <1>;
+		#reset-cells = <1>;
+		assigned-clocks = <&cru PLL_GPLL>;
+		assigned-clock-rates = <594000000>;
+	};
+
+	uart0: serial at 20060000 {
+		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
+		reg = <0x20060000 0x100>;
+		interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		clock-frequency = <24000000>;
+		clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
+		clock-names = "baudclk", "apb_pclk";
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
+	};
+
+	uart1: serial at 20064000 {
+		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
+		reg = <0x20064000 0x100>;
+		interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		clock-frequency = <24000000>;
+		clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
+		clock-names = "baudclk", "apb_pclk";
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart1_xfer>;
+	};
+
+	uart2: serial at 20068000 {
+		compatible = "rockchip,rk3036-uart", "snps,dw-apb-uart";
+		reg = <0x20068000 0x100>;
+		interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		clock-frequency = <24000000>;
+		clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
+		clock-names = "baudclk", "apb_pclk";
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart2_xfer>;
+	};
+
+	pwm0: pwm at 20050000 {
+		compatible = "rockchip,rk2928-pwm";
+		reg = <0x20050000 0x10>;
+		#pwm-cells = <3>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm0_pin>;
+		clocks = <&cru PCLK_PWM>;
+		clock-names = "pwm";
+		status = "disabled";
+	};
+
+	pwm1: pwm at 20050010 {
+		compatible = "rockchip,rk2928-pwm";
+		reg = <0x20050010 0x10>;
+		#pwm-cells = <3>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm1_pin>;
+		clocks = <&cru PCLK_PWM>;
+		clock-names = "pwm";
+		status = "disabled";
+	};
+
+	pwm2: pwm at 20050020 {
+		compatible = "rockchip,rk2928-pwm";
+		reg = <0x20050020 0x10>;
+		#pwm-cells = <3>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm2_pin>;
+		clocks = <&cru PCLK_PWM>;
+		clock-names = "pwm";
+		status = "disabled";
+	};
+
+	pwm3: pwm at 20050030 {
+		compatible = "rockchip,rk2928-pwm";
+		reg = <0x20050030 0x10>;
+		#pwm-cells = <2>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pwm3_pin>;
+		clocks = <&cru PCLK_PWM>;
+		clock-names = "pwm";
+		status = "disabled";
+	};
+
+	sram: sram at 10080000 {
+		compatible = "rockchip,rk3036-smp-sram", "mmio-sram";
+		reg = <0x10080000 0x2000>;
+	};
+
+	gic: interrupt-controller at 10139000 {
+		compatible = "arm,gic-400";
+		interrupt-controller;
+		#interrupt-cells = <3>;
+		#address-cells = <0>;
+
+		reg = <0x10139000 0x1000>,
+		      <0x1013a000 0x1000>,
+		      <0x1013c000 0x2000>,
+		      <0x1013e000 0x2000>;
+		interrupts = <GIC_PPI 9 0xf04>;
+	};
+
+	grf: syscon at 20008000 {
+		compatible = "rockchip,rk3036-grf", "syscon";
+		reg = <0x20008000 0x1000>;
+	};
+
+	usb_otg: usb at 10180000 {
+		compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",
+				"snps,dwc2";
+		reg = <0x10180000 0x40000>;
+		interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru HCLK_OTG0>;
+		clock-names = "otg";
+		dr_mode = "otg";
+		g-np-tx-fifo-size = <16>;
+		g-rx-fifo-size = <275>;
+		g-tx-fifo-size = <256 128 128 64 64 32>;
+		g-use-dma;
+		status = "disabled";
+	};
+
+	usb_host: usb at 101c0000 {
+		compatible = "rockchip,rk3288-usb", "rockchip,rk3066-usb",
+				"snps,dwc2";
+		reg = <0x101c0000 0x40000>;
+		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru HCLK_OTG1>;
+		clock-names = "otg";
+		dr_mode = "host";
+		status = "disabled";
+	};
+
+	emmc: dwmmc at 1021c000 {
+		compatible = "rockchip,rk3288-dw-mshc";
+		clock-frequency = <37500000>;
+		clock-freq-min-max = <400000 37500000>;
+		clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>,
+		<&cru SCLK_EMMC_DRV>, <&cru SCLK_EMMC_SAMPLE>;
+		clock-names = "biu", "ciu", "ciu_drv", "ciu_sample";
+		dmas = <&pdma 12>;
+		dma-names = "rx-tx";
+		fifo-depth = <0x100>;
+		interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+		reg = <0x1021c000 0x4000>;
+		broken-cd;
+		bus-width = <8>;
+		cap-mmc-highspeed;
+		mmc-ddr-1_8v;
+		disable-wp;
+		non-removable;
+		num-slots = <1>;
+		default-sample-phase = <158>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+	};
+
+	pinctrl: pinctrl {
+		compatible = "rockchip,rk3036-pinctrl";
+		rockchip,grf = <&grf>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		gpio0: gpio0 at 2007c000 {
+			compatible = "rockchip,gpio-bank";
+			reg = <0x2007c000 0x100>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cru PCLK_GPIO0>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		gpio1: gpio1 at 20080000 {
+			compatible = "rockchip,gpio-bank";
+			reg = <0x20080000 0x100>;
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cru PCLK_GPIO1>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		gpio2: gpio2 at 20084000 {
+			compatible = "rockchip,gpio-bank";
+			reg = <0x20084000 0x100>;
+			interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cru PCLK_GPIO2>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
+		pcfg_pull_up: pcfg-pull-up {
+			bias-pull-up;
+		};
+
+		pcfg_pull_down: pcfg-pull-down {
+			bias-pull-down;
+		};
+
+		pcfg_pull_none: pcfg-pull-none {
+			bias-disable;
+		};
+
+		emmc {
+			/*
+			 * We run eMMC at max speed; bump up drive strength.
+			 * We also have external pulls, so disable the internal ones.
+			 */
+			emmc_clk: emmc-clk {
+				rockchip,pins = <2 4 RK_FUNC_2 &pcfg_pull_none>;
+			};
+
+			emmc_cmd: emmc-cmd {
+				rockchip,pins = <2 1 RK_FUNC_2 &pcfg_pull_none>;
+		 	};
+
+		 	emmc_bus8: emmc-bus8 {
+				rockchip,pins = <1 24 RK_FUNC_2 &pcfg_pull_none>,
+						<1 25 RK_FUNC_2 &pcfg_pull_none>,
+						<1 26 RK_FUNC_2 &pcfg_pull_none>,
+						<1 27 RK_FUNC_2 &pcfg_pull_none>;
+				/*
+						<1 28 RK_FUNC_2 &pcfg_pull_up>,
+						<1 29 RK_FUNC_2 &pcfg_pull_up>,
+						<1 30 RK_FUNC_2 &pcfg_pull_up>,
+						<1 31 RK_FUNC_2 &pcfg_pull_up>;
+						*/
+ 			};
+		};
+
+		uart0 {
+			uart0_xfer: uart0-xfer {
+				rockchip,pins = <0 16 RK_FUNC_1 &pcfg_pull_none>,
+						<0 17 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			uart0_cts: uart0-cts {
+				rockchip,pins = <0 18 RK_FUNC_1 &pcfg_pull_none>;
+			};
+
+			uart0_rts: uart0-rts {
+				rockchip,pins = <0 19 RK_FUNC_1 &pcfg_pull_none>;
+			};
+		};
+
+		uart1 {
+			uart1_xfer: uart1-xfer {
+				rockchip,pins = <2 22 RK_FUNC_1 &pcfg_pull_none>,
+						<2 23 RK_FUNC_1 &pcfg_pull_none>;
+			};
+			/* no rts / cts for uart1 */
+		};
+
+                uart2 {
+                        uart2_xfer: uart2-xfer {
+                                rockchip,pins = <1 18 RK_FUNC_2 &pcfg_pull_none>,
+                                                <1 19 RK_FUNC_2 &pcfg_pull_none>;
+                        };
+                        /* no rts / cts for uart2 */
+                };
+
+		pwm0 {
+			pwm0_pin: pwm0-pin {
+				rockchip,pins = <0 0 RK_FUNC_2 &pcfg_pull_none>;
+			};
+		};
+
+		pwm1 {
+			pwm1_pin: pwm1-pin {
+				rockchip,pins = <0 1 RK_FUNC_2 &pcfg_pull_none>;
+			};
+		};
+
+		pwm2 {
+			pwm2_pin: pwm2-pin {
+				rockchip,pins = <0 1 2 &pcfg_pull_none>;
+			};
+		};
+
+		pwm3 {
+			pwm3_pin: pwm3-pin {
+				rockchip,pins = <0 27 1 &pcfg_pull_none>;
+			};
+		};
+
+		i2c1 {
+			i2c1_xfer: i2c1-xfer {
+				rockchip,pins = <0 2 RK_FUNC_1 &pcfg_pull_none>,
+						<0 3 RK_FUNC_1 &pcfg_pull_none>;
+			};
+		};
+	};
+
+	i2c1: i2c at 20056000 {
+		compatible = "rockchip,rk3288-i2c";
+		reg = <0x20056000 0x1000>;
+		interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clock-names = "i2c";
+		clocks = <&cru PCLK_I2C1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2c1_xfer>;
+		status = "disabled";
+	};
+};
diff --git a/include/dt-bindings/clock/rk3036-cru.h b/include/dt-bindings/clock/rk3036-cru.h
new file mode 100644
index 0000000..87acf4a
--- /dev/null
+++ b/include/dt-bindings/clock/rk3036-cru.h
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2014 MundoReader S.L.
+ * Author: Heiko Stuebner <heiko@sntech.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RK3036_H
+#define _DT_BINDINGS_CLK_ROCKCHIP_RK3036_H
+
+/* core clocks */
+#define PLL_APLL		1
+#define PLL_DPLL		2
+#define PLL_GPLL		3
+#define ARMCLK			4
+
+/* sclk gates (special clocks) */
+#define SCLK_GPU		64
+#define SCLK_SPI		65
+#define SCLK_SDMMC		68
+#define SCLK_SDIO		69
+#define SCLK_EMMC		71
+#define SCLK_NANDC		76
+#define SCLK_UART0		77
+#define SCLK_UART1		78
+#define SCLK_UART2		79
+#define SCLK_I2S		82
+#define SCLK_SPDIF		83
+#define SCLK_TIMER0		85
+#define SCLK_TIMER1		86
+#define SCLK_TIMER2		87
+#define SCLK_TIMER3		88
+#define SCLK_OTGPHY0		93
+#define SCLK_LCDC		100
+#define SCLK_HDMI		109
+#define SCLK_HEVC		111
+#define SCLK_I2S_OUT		113
+#define SCLK_SDMMC_DRV		114
+#define SCLK_SDIO_DRV		115
+#define SCLK_EMMC_DRV		117
+#define SCLK_SDMMC_SAMPLE	118
+#define SCLK_SDIO_SAMPLE	119
+#define SCLK_EMMC_SAMPLE	121
+#define SCLK_PVTM_CORE          123
+#define SCLK_PVTM_GPU           124
+#define SCLK_PVTM_VIDEO         125
+#define SCLK_MAC		151
+#define SCLK_MACREF		152
+#define SCLK_SFC		160
+
+#define DCLK_LCDC		190
+
+/* aclk gates */
+#define ACLK_DMAC2		194
+#define ACLK_LCDC		197
+#define ACLK_VIO		203
+#define ACLK_VCODEC		208
+#define ACLK_CPU		209
+#define ACLK_PERI		210
+
+/* pclk gates */
+#define PCLK_GPIO0		320
+#define PCLK_GPIO1		321
+#define PCLK_GPIO2		322
+#define PCLK_GRF		329
+#define PCLK_I2C0		332
+#define PCLK_I2C1		333
+#define PCLK_I2C2		334
+#define PCLK_SPI		338
+#define PCLK_UART0		341
+#define PCLK_UART1		342
+#define PCLK_UART2		343
+#define PCLK_PWM		350
+#define PCLK_TIMER		353
+#define PCLK_HDMI		360
+#define PCLK_CPU		362
+#define PCLK_PERI		363
+#define PCLK_DDRUPCTL		364
+#define PCLK_WDT		368
+
+/* hclk gates */
+#define HCLK_OTG0		449
+#define HCLK_OTG1		450
+#define HCLK_NANDC		453
+#define HCLK_SDMMC		456
+#define HCLK_SDIO		457
+#define HCLK_EMMC		459
+#define HCLK_I2S		462
+#define HCLK_LCDC		465
+#define HCLK_ROM		467
+#define HCLK_VIO_BUS		472
+#define HCLK_VCODEC		476
+#define HCLK_CPU		477
+#define HCLK_PERI		478
+
+#define CLK_NR_CLKS		(HCLK_PERI + 1)
+
+/* soft-reset indices */
+#define SRST_CORE0		0
+#define SRST_CORE1		1
+#define SRST_CORE0_DBG		4
+#define SRST_CORE1_DBG		5
+#define SRST_CORE0_POR		8
+#define SRST_CORE1_POR		9
+#define SRST_L2C		12
+#define SRST_TOPDBG		13
+#define SRST_STRC_SYS_A		14
+#define SRST_PD_CORE_NIU	15
+
+#define SRST_TIMER2		16
+#define SRST_CPUSYS_H		17
+#define SRST_AHB2APB_H		19
+#define SRST_TIMER3		20
+#define SRST_INTMEM		21
+#define SRST_ROM		22
+#define SRST_PERI_NIU		23
+#define SRST_I2S		24
+#define SRST_DDR_PLL		25
+#define SRST_GPU_DLL		26
+#define SRST_TIMER0		27
+#define SRST_TIMER1		28
+#define SRST_CORE_DLL		29
+#define SRST_EFUSE_P		30
+#define SRST_ACODEC_P		31
+
+#define SRST_GPIO0		32
+#define SRST_GPIO1		33
+#define SRST_GPIO2		34
+#define SRST_UART0		39
+#define SRST_UART1		40
+#define SRST_UART2		41
+#define SRST_I2C0		43
+#define SRST_I2C1		44
+#define SRST_I2C2		45
+#define SRST_SFC		47
+
+#define SRST_PWM0		48
+#define SRST_DAP		51
+#define SRST_DAP_SYS		52
+#define SRST_GRF		55
+#define SRST_PERIPHSYS_A	57
+#define SRST_PERIPHSYS_H	58
+#define SRST_PERIPHSYS_P	59
+#define SRST_CPU_PERI		61
+#define SRST_EMEM_PERI		62
+#define SRST_USB_PERI		63
+
+#define SRST_DMA2		64
+#define SRST_MAC		66
+#define SRST_NANDC		68
+#define SRST_USBOTG0		69
+#define SRST_OTGC0		71
+#define SRST_USBOTG1		72
+#define SRST_OTGC1		74
+#define SRST_DDRMSCH		79
+
+#define SRST_MMC0		81
+#define SRST_SDIO		82
+#define SRST_EMMC		83
+#define SRST_SPI0		84
+#define SRST_WDT		86
+#define SRST_DDRPHY		88
+#define SRST_DDRPHY_P		89
+#define SRST_DDRCTRL		90
+#define SRST_DDRCTRL_P		91
+
+#define SRST_HDMI_P		96
+#define SRST_VIO_BUS_H		99
+#define SRST_UTMI0		103
+#define SRST_UTMI1		104
+#define SRST_USBPOR		105
+
+#define SRST_VCODEC_A		112
+#define SRST_VCODEC_H		113
+#define SRST_VIO1_A		114
+#define SRST_HEVC		115
+#define SRST_VCODEC_NIU_A	116
+#define SRST_LCDC1_A		117
+#define SRST_LCDC1_H		118
+#define SRST_LCDC1_D		119
+#define SRST_GPU		120
+#define SRST_GPU_NIU_A		122
+
+#define SRST_DBG_P		131
+
+#endif
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 08/20] rockchip: rk3036: Add clock driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (6 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 07/20] rockchip: Bring in RK3036 device tree file includes and bindings Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 09/20] rockchip: rk3036: Add header files for GRF Lin Huang
                   ` (11 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Add a driver for setting up and modifying the various PLLs, peripheral
clocks and mmc clocks on RK3036

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- move some macro to cru_rk3036.h
Changes in v3: None

 arch/arm/include/asm/arch-rockchip/cru_rk3036.h | 168 ++++++++++
 drivers/clk/Makefile                            |   1 +
 drivers/clk/clk_rk3036.c                        | 414 ++++++++++++++++++++++++
 3 files changed, 583 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-rockchip/cru_rk3036.h
 create mode 100644 drivers/clk/clk_rk3036.c

diff --git a/arch/arm/include/asm/arch-rockchip/cru_rk3036.h b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h
new file mode 100644
index 0000000..7ecc8ee
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/cru_rk3036.h
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef _ASM_ARCH_CRU_RK3036_H
+#define _ASM_ARCH_CRU_RK3036_H
+
+#include <common.h>
+
+#define OSC_HZ		(24 * 1000 * 1000)
+
+#define APLL_HZ		(600 * 1000000)
+#define GPLL_HZ		(594 * 1000000)
+
+#define CORE_PERI_HZ	150000000
+#define CORE_ACLK_HZ	300000000
+
+#define CPU_ACLK_HZ	150000000
+#define CPU_HCLK_HZ	300000000
+#define CPU_PCLK_HZ	300000000
+
+#define PERI_ACLK_HZ	148500000
+#define PERI_HCLK_HZ	148500000
+#define PERI_PCLK_HZ	74250000
+
+struct rk3036_cru {
+	struct rk3036_pll {
+		unsigned int con0;
+		unsigned int con1;
+		unsigned int con2;
+		unsigned int con3;
+	} pll[4];
+	unsigned int cru_mode_con;
+	unsigned int cru_clksel_con[35];
+	unsigned int cru_clkgate_con[11];
+	unsigned int reserved;
+	unsigned int cru_glb_srst_fst_value;
+	unsigned int cru_glb_srst_snd_value;
+	unsigned int reserved1[2];
+	unsigned int cru_softrst_con[9];
+	unsigned int cru_misc_con;
+	unsigned int reserved2[2];
+	unsigned int cru_glb_cnt_th;
+	unsigned int cru_sdmmc_con[2];
+	unsigned int cru_sdio_con[2];
+	unsigned int cru_emmc_con[2];
+	unsigned int reserved3;
+	unsigned int cru_rst_st;
+	unsigned int reserved4[0x23];
+	unsigned int cru_pll_mask_con;
+};
+check_member(rk3036_cru, cru_pll_mask_con, 0x01f0);
+
+struct pll_div {
+	u32 refdiv;
+	u32 fbdiv;
+	u32 postdiv1;
+	u32 postdiv2;
+	u32 frac;
+};
+
+enum {
+	/* PLLCON0*/
+	PLL_POSTDIV1_MASK	= 7,
+	PLL_POSTDIV1_SHIFT	= 12,
+	PLL_FBDIV_MASK		= 0xfff,
+	PLL_FBDIV_SHIFT		= 0,
+
+	/* PLLCON1 */
+	PLL_DSMPD_MASK		= 1,
+	PLL_DSMPD_SHIFT		= 12,
+	PLL_LOCK_STATUS_MASK	= 1,
+	PLL_LOCK_STATUS_SHIFT	= 10,
+	PLL_POSTDIV2_MASK	= 7,
+	PLL_POSTDIV2_SHIFT	= 6,
+	PLL_REFDIV_MASK		= 0x3f,
+	PLL_REFDIV_SHIFT	= 0,
+	PLL_RST_SHIFT		= 14,
+
+	/* CRU_MODE */
+	GPLL_MODE_MASK		= 3,
+	GPLL_MODE_SHIFT		= 12,
+	GPLL_MODE_SLOW		= 0,
+	GPLL_MODE_NORM,
+	GPLL_MODE_DEEP,
+	DPLL_MODE_MASK		= 1,
+	DPLL_MODE_SHIFT		= 4,
+	DPLL_MODE_SLOW		= 0,
+	DPLL_MODE_NORM,
+	APLL_MODE_MASK		= 1,
+	APLL_MODE_SHIFT		= 0,
+	APLL_MODE_SLOW		= 0,
+	APLL_MODE_NORM,
+
+	/* CRU_CLK_SEL0_CON */
+	CPU_CLK_PLL_SEL_MASK	= 3,
+	CPU_CLK_PLL_SEL_SHIFT	= 14,
+	CPU_CLK_PLL_SEL_APLL	= 0,
+	CPU_CLK_PLL_SEL_DPLL,
+	CPU_CLK_PLL_SEL_GPLL,
+	ACLK_CPU_DIV_MASK	= 0x1f,
+	ACLK_CPU_DIV_SHIFT	= 8,
+	CORE_CLK_PLL_SEL_MASK	= 1,
+	CORE_CLK_PLL_SEL_SHIFT	= 7,
+	CORE_CLK_PLL_SEL_APLL	= 0,
+	CORE_CLK_PLL_SEL_GPLL,
+	CORE_DIV_CON_MASK	= 0x1f,
+	CORE_DIV_CON_SHIFT	= 0,
+
+	/* CRU_CLK_SEL1_CON */
+	CPU_PCLK_DIV_MASK	= 7,
+	CPU_PCLK_DIV_SHIFT	= 12,
+	CPU_HCLK_DIV_MASK	= 3,
+	CPU_HCLK_DIV_SHIFT	= 8,
+	CORE_ACLK_DIV_MASK	= 7,
+	CORE_ACLK_DIV_SHIFT	= 4,
+	CORE_PERI_DIV_MASK	= 0xf,
+	CORE_PERI_DIV_SHIFT	= 0,
+
+	/* CRU_CLKSEL10_CON */
+	PERI_PLL_SEL_MASK	= 3,
+	PERI_PLL_SEL_SHIFT	= 14,
+	PERI_PLL_APLL		= 0,
+	PERI_PLL_DPLL,
+	PERI_PLL_GPLL,
+	PERI_PCLK_DIV_MASK	= 3,
+	PERI_PCLK_DIV_SHIFT	= 12,
+	PERI_HCLK_DIV_MASK	= 3,
+	PERI_HCLK_DIV_SHIFT	= 8,
+	PERI_ACLK_DIV_MASK	= 0x1f,
+	PERI_ACLK_DIV_SHIFT	= 0,
+
+	/* CRU_CLKSEL11_CON */
+	SDIO_DIV_MASK		= 0x7f,
+	SDIO_DIV_SHIFT		= 8,
+	MMC0_DIV_MASK		= 0x7f,
+	MMC0_DIV_SHIFT		= 0,
+
+	/* CRU_CLKSEL12_CON */
+	EMMC_PLL_MASK		= 3,
+	EMMC_PLL_SHIFT		= 12,
+	EMMC_SEL_APLL		= 0,
+	EMMC_SEL_DPLL,
+	EMMC_SEL_GPLL,
+	EMMC_SEL_24M,
+	SDIO_PLL_MASK		= 3,
+	SDIO_PLL_SHIFT		= 10,
+	SDIO_SEL_APLL		= 0,
+	SDIO_SEL_DPLL,
+	SDIO_SEL_GPLL,
+	SDIO_SEL_24M,
+	MMC0_PLL_MASK		= 3,
+	MMC0_PLL_SHIFT		= 8,
+	MMC0_SEL_APLL		= 0,
+	MMC0_SEL_DPLL,
+	MMC0_SEL_GPLL,
+	MMC0_SEL_24M,
+	EMMC_DIV_MASK		= 0x7f,
+	EMMC_DIV_SHIFT		= 0,
+
+	/* CRU_SOFTRST5_CON */
+	DDRCTRL_PSRST_SHIFT	= 11,
+	DDRCTRL_SRST_SHIFT	= 10,
+	DDRPHY_PSRST_SHIFT	= 9,
+	DDRPHY_SRST_SHIFT	= 8,
+};
+#endif
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 008ec10..4a6a4a8 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -6,5 +6,6 @@
 #
 
 obj-$(CONFIG_CLK) += clk-uclass.o
+obj-$(CONFIG_ROCKCHIP_RK3036) += clk_rk3036.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += clk_rk3288.o
 obj-$(CONFIG_SANDBOX) += clk_sandbox.o
diff --git a/drivers/clk/clk_rk3036.c b/drivers/clk/clk_rk3036.c
new file mode 100644
index 0000000..6c802b6
--- /dev/null
+++ b/drivers/clk/clk_rk3036.c
@@ -0,0 +1,414 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <dm/lists.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk3036_clk_plat {
+	enum rk_clk_id clk_id;
+};
+
+struct rk3036_clk_priv {
+	struct rk3036_cru *cru;
+	ulong rate;
+};
+
+enum {
+	VCO_MAX_HZ	= 2400U * 1000000,
+	VCO_MIN_HZ	= 600 * 1000000,
+	OUTPUT_MAX_HZ	= 2400U * 1000000,
+	OUTPUT_MIN_HZ	= 24 * 1000000,
+};
+
+#define RATE_TO_DIV(input_rate, output_rate) \
+	((input_rate) / (output_rate) - 1);
+
+#define DIV_TO_RATE(input_rate, div)	((input_rate) / ((div) + 1))
+
+#define PLL_DIVISORS(hz, _refdiv, _postdiv1, _postdiv2) {\
+	.refdiv = _refdiv,\
+	.fbdiv = (u32)((u64)hz * _refdiv * _postdiv1 * _postdiv2 / OSC_HZ),\
+	.postdiv1 = _postdiv1, .postdiv2 = _postdiv2};\
+	_Static_assert(((u64)hz * _refdiv * _postdiv1 * _postdiv2 / OSC_HZ) *\
+			 OSC_HZ / (_refdiv * _postdiv1 * _postdiv2) == hz,\
+			 #hz "Hz cannot be hit with PLL "\
+			 "divisors on line " __stringify(__LINE__));
+
+/* use interge mode*/
+static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 3, 1);
+static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1);
+
+static inline unsigned int log2(unsigned int value)
+{
+	return fls(value) - 1;
+}
+
+static int rkclk_set_pll(struct rk3036_cru *cru, enum rk_clk_id clk_id,
+			 const struct pll_div *div)
+{
+	int pll_id = rk_pll_id(clk_id);
+	struct rk3036_pll *pll = &cru->pll[pll_id];
+
+	/* All PLLs have same VCO and output frequency range restrictions. */
+	uint vco_hz = OSC_HZ / 1000 * div->fbdiv / div->refdiv * 1000;
+	uint output_hz = vco_hz / div->postdiv1 / div->postdiv2;
+
+	debug("PLL at %p: fbdiv=%d, refdiv=%d, postdiv1=%d, postdiv2=%d,\
+		 vco=%u Hz, output=%u Hz\n",
+			pll, div->fbdiv, div->refdiv, div->postdiv1,
+			div->postdiv2, vco_hz, output_hz);
+	assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ &&
+	       output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ);
+
+	/* use interger mode */
+	rk_clrreg(&pll->con1, 1 << PLL_DSMPD_SHIFT);
+
+	rk_clrsetreg(&pll->con0,
+		     PLL_POSTDIV1_MASK << PLL_POSTDIV1_SHIFT | PLL_FBDIV_MASK,
+		     (div->postdiv1 << PLL_POSTDIV1_SHIFT) | div->fbdiv);
+	rk_clrsetreg(&pll->con1, PLL_POSTDIV2_MASK << PLL_POSTDIV2_SHIFT |
+			PLL_REFDIV_MASK << PLL_REFDIV_SHIFT,
+			(div->postdiv2 << PLL_POSTDIV2_SHIFT |
+			 div->refdiv << PLL_REFDIV_SHIFT));
+
+	/* waiting for pll lock */
+	while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
+		udelay(1);
+
+	return 0;
+}
+
+static void rkclk_init(struct rk3036_cru *cru)
+{
+	u32 aclk_div;
+	u32 hclk_div;
+	u32 pclk_div;
+
+	/* pll enter slow-mode */
+	rk_clrsetreg(&cru->cru_mode_con,
+		     GPLL_MODE_MASK << GPLL_MODE_SHIFT |
+		     APLL_MODE_MASK << APLL_MODE_SHIFT,
+		     GPLL_MODE_SLOW << GPLL_MODE_SHIFT |
+		     APLL_MODE_SLOW << APLL_MODE_SHIFT);
+
+	/* init pll */
+	rkclk_set_pll(cru, CLK_ARM, &apll_init_cfg);
+	rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg);
+
+	/*
+	 * select apll as core clock pll source and
+	 * set up dependent divisors for PCLK/HCLK and ACLK clocks.
+	 * core hz : apll = 1:1
+	 */
+	aclk_div = APLL_HZ / CORE_ACLK_HZ - 1;
+	assert((aclk_div + 1) * CORE_ACLK_HZ == APLL_HZ && aclk_div < 0x7);
+
+	pclk_div = APLL_HZ / CORE_PERI_HZ - 1;
+	assert((pclk_div + 1) * CORE_PERI_HZ == APLL_HZ && pclk_div < 0xf);
+
+	rk_clrsetreg(&cru->cru_clksel_con[0],
+		     CORE_CLK_PLL_SEL_MASK << CORE_CLK_PLL_SEL_SHIFT |
+		     CORE_DIV_CON_MASK << CORE_DIV_CON_SHIFT,
+		     CORE_CLK_PLL_SEL_APLL << CORE_CLK_PLL_SEL_SHIFT |
+		     0 << CORE_DIV_CON_SHIFT);
+
+	rk_clrsetreg(&cru->cru_clksel_con[1],
+		     CORE_ACLK_DIV_MASK << CORE_ACLK_DIV_SHIFT |
+		     CORE_PERI_DIV_MASK << CORE_PERI_DIV_SHIFT,
+		     aclk_div << CORE_ACLK_DIV_SHIFT |
+		     pclk_div << CORE_PERI_DIV_SHIFT);
+
+	/*
+	 * select apll as cpu clock pll source and
+	 * set up dependent divisors for PCLK/HCLK and ACLK clocks.
+	 */
+	aclk_div = APLL_HZ / CPU_ACLK_HZ - 1;
+	assert((aclk_div + 1) * CPU_ACLK_HZ == APLL_HZ && aclk_div < 0x1f);
+
+	pclk_div = APLL_HZ / CPU_PCLK_HZ - 1;
+	assert((pclk_div + 1) * CPU_PCLK_HZ == APLL_HZ && pclk_div < 0x7);
+
+	hclk_div = APLL_HZ / CPU_HCLK_HZ - 1;
+	assert((hclk_div + 1) * CPU_HCLK_HZ == APLL_HZ && hclk_div < 0x3);
+
+	rk_clrsetreg(&cru->cru_clksel_con[0],
+		     CPU_CLK_PLL_SEL_MASK << CPU_CLK_PLL_SEL_SHIFT |
+		     ACLK_CPU_DIV_MASK << ACLK_CPU_DIV_SHIFT,
+		     CPU_CLK_PLL_SEL_APLL << CPU_CLK_PLL_SEL_SHIFT |
+		     aclk_div << ACLK_CPU_DIV_SHIFT);
+
+	rk_clrsetreg(&cru->cru_clksel_con[1],
+		     CPU_PCLK_DIV_MASK << CPU_PCLK_DIV_SHIFT |
+		     CPU_HCLK_DIV_MASK << CPU_HCLK_DIV_SHIFT,
+		     pclk_div << CPU_PCLK_DIV_SHIFT |
+		     hclk_div << CPU_HCLK_DIV_SHIFT);
+
+	/*
+	 * select gpll as peri clock pll source and
+	 * set up dependent divisors for PCLK/HCLK and ACLK clocks.
+	 */
+	aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1;
+	assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
+
+	hclk_div = log2(PERI_ACLK_HZ / PERI_HCLK_HZ);
+	assert((1 << hclk_div) * PERI_HCLK_HZ ==
+		PERI_ACLK_HZ && (pclk_div < 0x4));
+
+	pclk_div = log2(PERI_ACLK_HZ / PERI_PCLK_HZ);
+	assert((1 << pclk_div) * PERI_PCLK_HZ ==
+		PERI_ACLK_HZ && pclk_div < 0x8);
+
+	rk_clrsetreg(&cru->cru_clksel_con[10],
+		     PERI_PLL_SEL_MASK << PERI_PLL_SEL_SHIFT |
+		     PERI_PCLK_DIV_MASK << PERI_PCLK_DIV_SHIFT |
+		     PERI_HCLK_DIV_MASK << PERI_HCLK_DIV_SHIFT |
+		     PERI_ACLK_DIV_MASK << PERI_ACLK_DIV_SHIFT,
+		     PERI_PLL_GPLL << PERI_PLL_SEL_SHIFT |
+		     pclk_div << PERI_PCLK_DIV_SHIFT |
+		     hclk_div << PERI_HCLK_DIV_SHIFT |
+		     aclk_div << PERI_ACLK_DIV_SHIFT);
+
+	/* PLL enter normal-mode */
+	rk_clrsetreg(&cru->cru_mode_con,
+		     GPLL_MODE_MASK << GPLL_MODE_SHIFT |
+		     APLL_MODE_MASK << APLL_MODE_SHIFT,
+		     GPLL_MODE_NORM << GPLL_MODE_SHIFT |
+		     APLL_MODE_NORM << APLL_MODE_SHIFT);
+}
+
+/* Get pll rate by id */
+static uint32_t rkclk_pll_get_rate(struct rk3036_cru *cru,
+				   enum rk_clk_id clk_id)
+{
+	uint32_t refdiv, fbdiv, postdiv1, postdiv2;
+	uint32_t con;
+	int pll_id = rk_pll_id(clk_id);
+	struct rk3036_pll *pll = &cru->pll[pll_id];
+	static u8 clk_shift[CLK_COUNT] = {
+		0xff, APLL_MODE_SHIFT, DPLL_MODE_SHIFT, 0xff,
+		GPLL_MODE_SHIFT, 0xff
+	};
+	static u8 clk_mask[CLK_COUNT] = {
+		0xff, APLL_MODE_MASK, DPLL_MODE_MASK, 0xff,
+		GPLL_MODE_MASK, 0xff
+	};
+	uint shift;
+	uint mask;
+
+	con = readl(&cru->cru_mode_con);
+	shift = clk_shift[clk_id];
+	mask = clk_mask[clk_id];
+
+	switch ((con >> shift) & mask) {
+	case GPLL_MODE_SLOW:
+		return OSC_HZ;
+	case GPLL_MODE_NORM:
+
+		/* normal mode */
+		con = readl(&pll->con0);
+		postdiv1 = (con >> PLL_POSTDIV1_SHIFT) & PLL_POSTDIV1_MASK;
+		fbdiv = (con >> PLL_FBDIV_SHIFT) & PLL_FBDIV_MASK;
+		con = readl(&pll->con1);
+		postdiv2 = (con >> PLL_POSTDIV2_SHIFT) & PLL_POSTDIV2_MASK;
+		refdiv = (con >> PLL_REFDIV_SHIFT) & PLL_REFDIV_MASK;
+		return (24 * fbdiv / (refdiv * postdiv1 * postdiv2)) * 1000000;
+	case GPLL_MODE_DEEP:
+	default:
+		return 32768;
+	}
+}
+
+static ulong rockchip_mmc_get_clk(struct rk3036_cru *cru, uint clk_general_rate,
+				  enum periph_id periph)
+{
+	uint src_rate;
+	uint div, mux;
+	u32 con;
+
+	switch (periph) {
+	case PERIPH_ID_EMMC:
+		con = readl(&cru->cru_clksel_con[12]);
+		mux = (con >> EMMC_PLL_SHIFT) & EMMC_PLL_MASK;
+		div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK;
+		break;
+	case PERIPH_ID_SDCARD:
+		con = readl(&cru->cru_clksel_con[12]);
+		mux = (con >> MMC0_PLL_SHIFT) & MMC0_PLL_MASK;
+		div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	src_rate = mux == EMMC_SEL_24M ? OSC_HZ : clk_general_rate;
+	return DIV_TO_RATE(src_rate, div);
+}
+
+static ulong rockchip_mmc_set_clk(struct rk3036_cru *cru, uint clk_general_rate,
+				  enum periph_id periph, uint freq)
+{
+	int src_clk_div;
+	int mux;
+
+	debug("%s: clk_general_rate=%u\n", __func__, clk_general_rate);
+
+	/* mmc clock auto divide 2 in internal */
+	src_clk_div = (clk_general_rate / 2 + freq - 1) / freq;
+
+	if (src_clk_div > 0x7f) {
+		src_clk_div = (OSC_HZ / 2 + freq - 1) / freq;
+		mux = EMMC_SEL_24M;
+	} else {
+		mux = EMMC_SEL_GPLL;
+	}
+
+	switch (periph) {
+	case PERIPH_ID_EMMC:
+		rk_clrsetreg(&cru->cru_clksel_con[12],
+			     EMMC_PLL_MASK << EMMC_PLL_SHIFT |
+			     EMMC_DIV_MASK << EMMC_DIV_SHIFT,
+			     mux << EMMC_PLL_SHIFT |
+			     (src_clk_div - 1) << EMMC_DIV_SHIFT);
+		break;
+	case PERIPH_ID_SDCARD:
+		rk_clrsetreg(&cru->cru_clksel_con[11],
+			     MMC0_PLL_MASK << MMC0_PLL_SHIFT |
+			     MMC0_DIV_MASK << MMC0_DIV_SHIFT,
+			     mux << MMC0_PLL_SHIFT |
+			     (src_clk_div - 1) << MMC0_DIV_SHIFT);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return rockchip_mmc_get_clk(cru, clk_general_rate, periph);
+}
+
+static ulong rk3036_clk_get_rate(struct udevice *dev)
+{
+	struct rk3036_clk_plat *plat = dev_get_platdata(dev);
+	struct rk3036_clk_priv *priv = dev_get_priv(dev);
+
+	debug("%s\n", dev->name);
+	return rkclk_pll_get_rate(priv->cru, plat->clk_id);
+}
+
+static ulong rk3036_clk_set_rate(struct udevice *dev, ulong rate)
+{
+	debug("%s\n", dev->name);
+
+	return 0;
+}
+
+ulong rk3036_set_periph_rate(struct udevice *dev, int periph, ulong rate)
+{
+	struct rk3036_clk_priv *priv = dev_get_priv(dev);
+	ulong new_rate;
+
+	switch (periph) {
+	case PERIPH_ID_EMMC:
+		new_rate = rockchip_mmc_set_clk(priv->cru, clk_get_rate(dev),
+						periph, rate);
+		break;
+	default:
+		return -ENOENT;
+	}
+
+	return new_rate;
+}
+
+static struct clk_ops rk3036_clk_ops = {
+	.get_rate	= rk3036_clk_get_rate,
+	.set_rate	= rk3036_clk_set_rate,
+	.set_periph_rate = rk3036_set_periph_rate,
+};
+
+static int rk3036_clk_probe(struct udevice *dev)
+{
+	struct rk3036_clk_plat *plat = dev_get_platdata(dev);
+	struct rk3036_clk_priv *priv = dev_get_priv(dev);
+
+	if (plat->clk_id != CLK_OSC) {
+		struct rk3036_clk_priv *parent_priv = dev_get_priv(dev->parent);
+
+		priv->cru = parent_priv->cru;
+		return 0;
+	}
+	priv->cru = (struct rk3036_cru *)dev_get_addr(dev);
+	rkclk_init(priv->cru);
+
+	return 0;
+}
+
+static const char *const clk_name[] = {
+	"osc",
+	"apll",
+	"dpll",
+	"cpll",
+	"gpll",
+	"mpll",
+};
+
+static int rk3036_clk_bind(struct udevice *dev)
+{
+	struct rk3036_clk_plat *plat = dev_get_platdata(dev);
+	int pll, ret;
+
+	/* We only need to set up the root clock */
+	if (dev->of_offset == -1) {
+		plat->clk_id = CLK_OSC;
+		return 0;
+	}
+
+	/* Create devices for P main clocks */
+	for (pll = 1; pll < CLK_COUNT; pll++) {
+		struct udevice *child;
+		struct rk3036_clk_plat *cplat;
+
+		debug("%s %s\n", __func__, clk_name[pll]);
+		ret = device_bind_driver(dev, "clk_rk3036", clk_name[pll],
+					 &child);
+		if (ret)
+			return ret;
+
+		cplat = dev_get_platdata(child);
+		cplat->clk_id = pll;
+	}
+
+	/* The reset driver does not have a device node, so bind it here */
+	ret = device_bind_driver(gd->dm_root, "rk3036_reset", "reset", &dev);
+	if (ret)
+		debug("Warning: No RK3036 reset driver: ret=%d\n", ret);
+
+	return 0;
+}
+
+static const struct udevice_id rk3036_clk_ids[] = {
+	{ .compatible = "rockchip,rk3036-cru" },
+	{ }
+};
+
+U_BOOT_DRIVER(clk_rk3036) = {
+	.name		= "clk_rk3036",
+	.id		= UCLASS_CLK,
+	.of_match	= rk3036_clk_ids,
+	.priv_auto_alloc_size = sizeof(struct rk3036_clk_priv),
+	.platdata_auto_alloc_size = sizeof(struct rk3036_clk_plat),
+	.ops		= &rk3036_clk_ops,
+	.bind		= rk3036_clk_bind,
+	.probe		= rk3036_clk_probe,
+};
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 09/20] rockchip: rk3036: Add header files for GRF
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (7 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 08/20] rockchip: rk3036: Add clock driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 10/20] rockchip: rk3036: Add Soc reset driver Lin Huang
                   ` (10 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

GRF is the gereral register file. Add header files with register definitions.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- move some macro to grf_rk3036.h
Changes in v3: None

 arch/arm/include/asm/arch-rockchip/grf_rk3036.h | 493 ++++++++++++++++++++++++
 1 file changed, 493 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-rockchip/grf_rk3036.h

diff --git a/arch/arm/include/asm/arch-rockchip/grf_rk3036.h b/arch/arm/include/asm/arch-rockchip/grf_rk3036.h
new file mode 100644
index 0000000..72d133c
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/grf_rk3036.h
@@ -0,0 +1,493 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef _ASM_ARCH_GRF_RK3036_H
+#define _ASM_ARCH_GRF_RK3036_H
+
+#include <common.h>
+
+struct rk3036_grf {
+	unsigned int reserved[0x2a];
+	unsigned int gpio0a_iomux;
+	unsigned int gpio0b_iomux;
+	unsigned int gpio0c_iomux;
+	unsigned int gpio0d_iomux;
+
+	unsigned int gpio1a_iomux;
+	unsigned int gpio1b_iomux;
+	unsigned int gpio1c_iomux;
+	unsigned int gpio1d_iomux;
+
+	unsigned int gpio2a_iomux;
+	unsigned int gpio2b_iomux;
+	unsigned int gpio2c_iomux;
+	unsigned int gpio2d_iomux;
+
+	unsigned int reserved2[0x0a];
+	unsigned int gpiods;
+	unsigned int reserved3[0x05];
+	unsigned int gpio0l_pull;
+	unsigned int gpio0h_pull;
+	unsigned int gpio1l_pull;
+	unsigned int gpio1h_pull;
+	unsigned int gpio2l_pull;
+	unsigned int gpio2h_pull;
+	unsigned int reserved4[4];
+	unsigned int soc_con0;
+	unsigned int soc_con1;
+	unsigned int soc_con2;
+	unsigned int soc_status0;
+	unsigned int reserved5;
+	unsigned int soc_con3;
+	unsigned int reserved6;
+	unsigned int dmac_con0;
+	unsigned int dmac_con1;
+	unsigned int dmac_con2;
+	unsigned int reserved7[5];
+	unsigned int uoc0_con5;
+	unsigned int reserved8[4];
+	unsigned int uoc1_con4;
+	unsigned int uoc1_con5;
+	unsigned int reserved9;
+	unsigned int ddrc_stat;
+	unsigned int uoc_con6;
+	unsigned int soc_status1;
+	unsigned int cpu_con0;
+	unsigned int cpu_con1;
+	unsigned int cpu_con2;
+	unsigned int cpu_con3;
+	unsigned int reserved10;
+	unsigned int reserved11;
+	unsigned int cpu_status0;
+	unsigned int cpu_status1;
+	unsigned int os_reg[8];
+	unsigned int reserved12[6];
+	unsigned int dll_con[4];
+	unsigned int dll_status[4];
+	unsigned int dfi_wrnum;
+	unsigned int dfi_rdnum;
+	unsigned int dfi_actnum;
+	unsigned int dfi_timerval;
+	unsigned int nfi_fifo[4];
+	unsigned int reserved13[0x10];
+	unsigned int usbphy0_con[8];
+	unsigned int usbphy1_con[8];
+	unsigned int reserved14[0x10];
+	unsigned int chip_tag;
+	unsigned int sdmmc_det_cnt;
+};
+check_member(rk3036_grf, sdmmc_det_cnt, 0x304);
+
+/* GRF_GPIO0A_IOMUX */
+enum {
+	GPIO0A3_SHIFT		= 6,
+	GPIO0A3_MASK		= 1,
+	GPIO0A3_GPIO		= 0,
+	GPIO0A3_I2C1_SDA,
+
+	GPIO0A2_SHIFT		= 4,
+	GPIO0A2_MASK		= 1,
+	GPIO0A2_GPIO		= 0,
+	GPIO0A2_I2C1_SCL,
+
+	GPIO0A1_SHIFT		= 2,
+	GPIO0A1_MASK		= 3,
+	GPIO0A1_GPIO		= 0,
+	GPIO0A1_I2C0_SDA,
+	GPIO0A1_PWM2,
+
+	GPIO0A0_SHIFT		= 0,
+	GPIO0A0_MASK		= 3,
+	GPIO0A0_GPIO		= 0,
+	GPIO0A0_I2C0_SCL,
+	GPIO0A0_PWM1,
+
+};
+
+/* GRF_GPIO0B_IOMUX */
+enum {
+	GPIO0B6_SHIFT		= 12,
+	GPIO0B6_MASK		= 3,
+	GPIO0B6_GPIO		= 0,
+	GPIO0B6_MMC1_D3,
+	GPIO0B6_I2S1_SCLK,
+
+	GPIO0B5_SHIFT		= 10,
+	GPIO0B5_MASK		= 3,
+	GPIO0B5_GPIO		= 0,
+	GPIO0B5_MMC1_D2,
+	GPIO0B5_I2S1_SDI,
+
+	GPIO0B4_SHIFT		= 8,
+	GPIO0B4_MASK		= 3,
+	GPIO0B4_GPIO		= 0,
+	GPIO0B4_MMC1_D1,
+	GPIO0B4_I2S1_LRCKTX,
+
+	GPIO0B3_SHIFT		= 6,
+	GPIO0B3_MASK		= 3,
+	GPIO0B3_GPIO		= 0,
+	GPIO0B3_MMC1_D0,
+	GPIO0B3_I2S1_LRCKRX,
+
+	GPIO0B1_SHIFT		= 2,
+	GPIO0B1_MASK		= 3,
+	GPIO0B1_GPIO		= 0,
+	GPIO0B1_MMC1_CLKOUT,
+	GPIO0B1_I2S1_MCLK,
+
+	GPIO0B0_SHIFT		= 0,
+	GPIO0B0_MASK		= 3,
+	GPIO0B0_GPIO		= 0,
+	GPIO0B0_MMC1_CMD,
+	GPIO0B0_I2S1_SDO,
+};
+
+/* GRF_GPIO0C_IOMUX */
+enum {
+	GPIO0C4_SHIFT		= 8,
+	GPIO0C4_MASK		= 1,
+	GPIO0C4_GPIO		= 0,
+	GPIO0C4_DRIVE_VBUS,
+
+	GPIO0C3_SHIFT		= 6,
+	GPIO0C3_MASK		= 1,
+	GPIO0C3_GPIO		= 0,
+	GPIO0C3_UART0_CTSN,
+
+	GPIO0C2_SHIFT		= 4,
+	GPIO0C2_MASK		= 1,
+	GPIO0C2_GPIO		= 0,
+	GPIO0C2_UART0_RTSN,
+
+	GPIO0C1_SHIFT		= 2,
+	GPIO0C1_MASK		= 1,
+	GPIO0C1_GPIO		= 0,
+	GPIO0C1_UART0_SIN,
+
+
+	GPIO0C0_SHIFT		= 0,
+	GPIO0C0_MASK		= 1,
+	GPIO0C0_GPIO		= 0,
+	GPIO0C0_UART0_SOUT,
+};
+
+/* GRF_GPIO0D_IOMUX */
+enum {
+	GPIO0D4_SHIFT		= 8,
+	GPIO0D4_MASK		= 1,
+	GPIO0D4_GPIO		= 0,
+	GPIO0D4_SPDIF,
+
+	GPIO0D3_SHIFT		= 6,
+	GPIO0D3_MASK		= 1,
+	GPIO0D3_GPIO		= 0,
+	GPIO0D3_PWM3,
+
+	GPIO0D2_SHIFT		= 4,
+	GPIO0D2_MASK		= 1,
+	GPIO0D2_GPIO		= 0,
+	GPIO0D2_PWM0,
+};
+
+/* GRF_GPIO1A_IOMUX */
+enum {
+	GPIO1A5_SHIFT		= 10,
+	GPIO1A5_MASK		= 1,
+	GPIO1A5_GPIO		= 0,
+	GPIO1A5_I2S_SDI,
+
+	GPIO1A4_SHIFT		= 8,
+	GPIO1A4_MASK		= 1,
+	GPIO1A4_GPIO		= 0,
+	GPIO1A4_I2S_SD0,
+
+	GPIO1A3_SHIFT		= 6,
+	GPIO1A3_MASK		= 1,
+	GPIO1A3_GPIO		= 0,
+	GPIO1A3_I2S_LRCKTX,
+
+	GPIO1A2_SHIFT		= 4,
+	GPIO1A2_MASK		= 6,
+	GPIO1A2_GPIO		= 0,
+	GPIO1A2_I2S_LRCKRX,
+	GPIO1A2_I2S_PWM1_0,
+
+	GPIO1A1_SHIFT		= 2,
+	GPIO1A1_MASK		= 1,
+	GPIO1A1_GPIO		= 0,
+	GPIO1A1_I2S_SCLK,
+
+	GPIO1A0_SHIFT		= 0,
+	GPIO1A0_MASK		= 1,
+	GPIO1A0_GPIO		= 0,
+	GPIO1A0_I2S_MCLK,
+
+};
+
+/* GRF_GPIO1B_IOMUX */
+enum {
+	GPIO1B7_SHIFT		= 14,
+	GPIO1B7_MASK		= 1,
+	GPIO1B7_GPIO		= 0,
+	GPIO1B7_MMC0_CMD,
+
+	GPIO1B3_SHIFT		= 6,
+	GPIO1B3_MASK		= 1,
+	GPIO1B3_GPIO		= 0,
+	GPIO1B3_HDMI_HPD,
+
+	GPIO1B2_SHIFT		= 4,
+	GPIO1B2_MASK		= 1,
+	GPIO1B2_GPIO		= 0,
+	GPIO1B2_HDMI_SCL,
+
+	GPIO1B1_SHIFT		= 2,
+	GPIO1B1_MASK		= 1,
+	GPIO1B1_GPIO		= 0,
+	GPIO1B1_HDMI_SDA,
+
+	GPIO1B0_SHIFT		= 0,
+	GPIO1B0_MASK		= 1,
+	GPIO1B0_GPIO		= 0,
+	GPIO1B0_HDMI_CEC,
+};
+
+/* GRF_GPIO1C_IOMUX */
+enum {
+	GPIO1C5_SHIFT		= 10,
+	GPIO1C5_MASK		= 3,
+	GPIO1C5_GPIO		= 0,
+	GPIO1C5_MMC0_D3,
+	GPIO1C5_JTAG_TMS,
+
+	GPIO1C4_SHIFT		= 8,
+	GPIO1C4_MASK		= 3,
+	GPIO1C4_GPIO		= 0,
+	GPIO1C4_MMC0_D2,
+	GPIO1C4_JTAG_TCK,
+
+	GPIO1C3_SHIFT		= 6,
+	GPIO1C3_MASK		= 3,
+	GPIO1C3_GPIO		= 0,
+	GPIO1C3_MMC0_D1,
+	GPIO1C3_UART2_SOUT,
+
+	GPIO1C2_SHIFT		= 4,
+	GPIO1C2_MASK		= 3,
+	GPIO1C2_GPIO		= 0,
+	GPIO1C2_MMC0_D0,
+	GPIO1C2_UART2_SIN,
+
+	GPIO1C1_SHIFT		= 2,
+	GPIO1C1_MASK		= 1,
+	GPIO1C1_GPIO		= 0,
+	GPIO1C1_MMC0_DETN,
+
+	GPIO1C0_SHIFT		= 0,
+	GPIO1C0_MASK		= 1,
+	GPIO1C0_GPIO		= 0,
+	GPIO1C0_MMC0_CLKOUT,
+};
+
+/* GRF_GPIO1D_IOMUX */
+enum {
+	GPIO1D7_SHIFT		= 14,
+	GPIO1D7_MASK		= 3,
+	GPIO1D7_GPIO		= 0,
+	GPIO1D7_NAND_D7,
+	GPIO1D7_EMMC_D7,
+	GPIO1D7_SPI_CSN1,
+
+	GPIO1D6_SHIFT		= 12,
+	GPIO1D6_MASK		= 3,
+	GPIO1D6_GPIO		= 0,
+	GPIO1D6_NAND_D6,
+	GPIO1D6_EMMC_D6,
+	GPIO1D6_SPI_CSN0,
+
+	GPIO1D5_SHIFT		= 10,
+	GPIO1D5_MASK		= 3,
+	GPIO1D5_GPIO		= 0,
+	GPIO1D5_NAND_D5,
+	GPIO1D5_EMMC_D5,
+	GPIO1D5_SPI_TXD,
+
+	GPIO1D4_SHIFT		= 8,
+	GPIO1D4_MASK		= 3,
+	GPIO1D4_GPIO		= 0,
+	GPIO1D4_NAND_D4,
+	GPIO1D4_EMMC_D4,
+	GPIO1D4_SPI_RXD,
+
+	GPIO1D3_SHIFT		= 6,
+	GPIO1D3_MASK		= 3,
+	GPIO1D3_GPIO		= 0,
+	GPIO1D3_NAND_D3,
+	GPIO1D3_EMMC_D3,
+	GPIO1D3_SFC_SIO3,
+
+	GPIO1D2_SHIFT		= 4,
+	GPIO1D2_MASK		= 3,
+	GPIO1D2_GPIO		= 0,
+	GPIO1D2_NAND_D2,
+	GPIO1D2_EMMC_D2,
+	GPIO1D2_SFC_SIO2,
+
+	GPIO1D1_SHIFT		= 2,
+	GPIO1D1_MASK		= 3,
+	GPIO1D1_GPIO		= 0,
+	GPIO1D1_NAND_D1,
+	GPIO1D1_EMMC_D1,
+	GPIO1D1_SFC_SIO1,
+
+	GPIO1D0_SHIFT		= 0,
+	GPIO1D0_MASK		= 3,
+	GPIO1D0_GPIO		= 0,
+	GPIO1D0_NAND_D0,
+	GPIO1D0_EMMC_D0,
+	GPIO1D0_SFC_SIO0,
+};
+
+/* GRF_GPIO2A_IOMUX */
+enum {
+	GPIO2A7_SHIFT		= 14,
+	GPIO2A7_MASK		= 1,
+	GPIO2A7_GPIO		= 0,
+	GPIO2A7_TESTCLK_OUT,
+
+	GPIO2A6_SHIFT		= 12,
+	GPIO2A6_MASK		= 1,
+	GPIO2A6_GPIO		= 0,
+	GPIO2A6_NAND_CS0,
+
+	GPIO2A4_SHIFT		= 8,
+	GPIO2A4_MASK		= 3,
+	GPIO2A4_GPIO		= 0,
+	GPIO2A4_NAND_RDY,
+	GPIO2A4_EMMC_CMD,
+	GPIO2A3_SFC_CLK,
+
+	GPIO2A3_SHIFT		= 6,
+	GPIO2A3_MASK		= 3,
+	GPIO2A3_GPIO		= 0,
+	GPIO2A3_NAND_RDN,
+	GPIO2A4_SFC_CSN1,
+
+	GPIO2A2_SHIFT		= 4,
+	GPIO2A2_MASK		= 3,
+	GPIO2A2_GPIO		= 0,
+	GPIO2A2_NAND_WRN,
+	GPIO2A4_SFC_CSN0,
+
+	GPIO2A1_SHIFT		= 2,
+	GPIO2A1_MASK		= 3,
+	GPIO2A1_GPIO		= 0,
+	GPIO2A1_NAND_CLE,
+	GPIO2A1_EMMC_CLKOUT,
+
+	GPIO2A0_SHIFT		= 0,
+	GPIO2A0_MASK		= 3,
+	GPIO2A0_GPIO		= 0,
+	GPIO2A0_NAND_ALE,
+	GPIO2A0_SPI_CLK,
+};
+
+/* GRF_GPIO2B_IOMUX */
+enum {
+	GPIO2B7_SHIFT		= 14,
+	GPIO2B7_MASK		= 1,
+	GPIO2B7_GPIO		= 0,
+	GPIO2B7_MAC_RXER,
+
+	GPIO2B6_SHIFT		= 12,
+	GPIO2B6_MASK		= 3,
+	GPIO2B6_GPIO		= 0,
+	GPIO2B6_MAC_CLKOUT,
+	GPIO2B6_MAC_CLKIN,
+
+	GPIO2B5_SHIFT		= 10,
+	GPIO2B5_MASK		= 1,
+	GPIO2B5_GPIO		= 0,
+	GPIO2B5_MAC_TXEN,
+
+	GPIO2B4_SHIFT		= 8,
+	GPIO2B4_MASK		= 1,
+	GPIO2B4_GPIO		= 0,
+	GPIO2B4_MAC_MDIO,
+
+	GPIO2B2_SHIFT		= 4,
+	GPIO2B2_MASK		= 1,
+	GPIO2B2_GPIO		= 0,
+	GPIO2B2_MAC_CRS,
+};
+
+/* GRF_GPIO2C_IOMUX */
+enum {
+	GPIO2C7_SHIFT		= 14,
+	GPIO2C7_MASK		= 3,
+	GPIO2C7_GPIO		= 0,
+	GPIO2C7_UART1_SOUT,
+	GPIO2C7_TESTCLK_OUT1,
+
+	GPIO2C6_SHIFT		= 12,
+	GPIO2C6_MASK		= 1,
+	GPIO2C6_GPIO		= 0,
+	GPIO2C6_UART1_SIN,
+
+	GPIO2C5_SHIFT		= 10,
+	GPIO2C5_MASK		= 1,
+	GPIO2C5_GPIO		= 0,
+	GPIO2C5_I2C2_SCL,
+
+	GPIO2C4_SHIFT		= 8,
+	GPIO2C4_MASK		= 1,
+	GPIO2C4_GPIO		= 0,
+	GPIO2C4_I2C2_SDA,
+
+	GPIO2C3_SHIFT		= 6,
+	GPIO2C3_MASK		= 1,
+	GPIO2C3_GPIO		= 0,
+	GPIO2C3_MAC_TXD0,
+
+	GPIO2C2_SHIFT		= 4,
+	GPIO2C2_MASK		= 1,
+	GPIO2C2_GPIO		= 0,
+	GPIO2C2_MAC_TXD1,
+
+	GPIO2C1_SHIFT		= 2,
+	GPIO2C1_MASK		= 1,
+	GPIO2C1_GPIO		= 0,
+	GPIO2C1_MAC_RXD0,
+
+	GPIO2C0_SHIFT		= 0,
+	GPIO2C0_MASK		= 1,
+	GPIO2C0_GPIO		= 0,
+	GPIO2C0_MAC_RXD1,
+};
+
+/* GRF_GPIO2D_IOMUX */
+enum {
+	GPIO2D6_SHIFT		= 12,
+	GPIO2D6_MASK		= 1,
+	GPIO2D6_GPIO		= 0,
+	GPIO2D6_I2S_SDO1,
+
+	GPIO2D5_SHIFT		= 10,
+	GPIO2D5_MASK		= 1,
+	GPIO2D5_GPIO		= 0,
+	GPIO2D5_I2S_SDO2,
+
+	GPIO2D4_SHIFT		= 8,
+	GPIO2D4_MASK		= 1,
+	GPIO2D4_GPIO		= 0,
+	GPIO2D4_I2S_SDO3,
+
+	GPIO2D1_SHIFT		= 2,
+	GPIO2D1_MASK		= 1,
+	GPIO2D1_GPIO		= 0,
+	GPIO2D1_MAC_MDC,
+};
+#endif
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 10/20] rockchip: rk3036: Add Soc reset driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (8 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 09/20] rockchip: rk3036: Add header files for GRF Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 11/20] rockchip: rk3036: Add a simple syscon driver Lin Huang
                   ` (9 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

We can reset the Soc using some CRU (clock/reset unit) register.
Add support for this.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- only build reset_rk3036.c in NON-SPL stage
Changes in v3: None

 arch/arm/mach-rockchip/rk3036/Makefile       | 10 +++++++
 arch/arm/mach-rockchip/rk3036/reset_rk3036.c | 45 ++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 arch/arm/mach-rockchip/rk3036/Makefile
 create mode 100644 arch/arm/mach-rockchip/rk3036/reset_rk3036.c

diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
new file mode 100644
index 0000000..a483347
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -0,0 +1,10 @@
+#
+# (C) Copyright 2015 Rockchip Electronics Co., Ltd
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+ifndef CONFIG_SPL_BUILD
+obj-y += reset_rk3036.o
+endif
+
diff --git a/arch/arm/mach-rockchip/rk3036/reset_rk3036.c b/arch/arm/mach-rockchip/rk3036/reset_rk3036.c
new file mode 100644
index 0000000..fefb568
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/reset_rk3036.c
@@ -0,0 +1,45 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <reset.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <linux/err.h>
+
+int rk3036_reset_request(struct udevice *dev, enum reset_t type)
+{
+	struct rk3036_cru *cru = rockchip_get_cru();
+
+	if (IS_ERR(cru))
+		return PTR_ERR(cru);
+	switch (type) {
+	case RESET_WARM:
+		writel(0xeca8, &cru->cru_glb_srst_snd_value);
+		break;
+	case RESET_COLD:
+		writel(0xfdb9, &cru->cru_glb_srst_fst_value);
+		break;
+	default:
+		return -EPROTONOSUPPORT;
+	}
+
+	return -EINPROGRESS;
+}
+
+static struct reset_ops rk3036_reset = {
+	.request	= rk3036_reset_request,
+};
+
+U_BOOT_DRIVER(reset_rk3036) = {
+	.name	= "rk3036_reset",
+	.id	= UCLASS_RESET,
+	.ops	= &rk3036_reset,
+};
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 11/20] rockchip: rk3036: Add a simple syscon driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (9 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 10/20] rockchip: rk3036: Add Soc reset driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 12/20] rockchip: rk3036: Add pinctrl driver Lin Huang
                   ` (8 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Add a driver that provides access to system controllers

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- only build syscon_rk3036.c on NON-SPL stage
Changes in v3: None

 arch/arm/mach-rockchip/rk3036/Makefile        |  2 +-
 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/mach-rockchip/rk3036/syscon_rk3036.c

diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
index a483347..5d14b95 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -6,5 +6,5 @@
 
 ifndef CONFIG_SPL_BUILD
 obj-y += reset_rk3036.o
+obj-y += syscon_rk3036.o
 endif
-
diff --git a/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
new file mode 100644
index 0000000..965afde
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/syscon_rk3036.c
@@ -0,0 +1,21 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+
+static const struct udevice_id rk3036_syscon_ids[] = {
+	{ .compatible = "rockchip,rk3036-grf", .data = ROCKCHIP_SYSCON_GRF },
+	{ }
+};
+
+U_BOOT_DRIVER(syscon_rk3036) = {
+	.name = "rk3036_syscon",
+	.id = UCLASS_SYSCON,
+	.of_match = rk3036_syscon_ids,
+};
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 12/20] rockchip: rk3036: Add pinctrl driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (10 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 11/20] rockchip: rk3036: Add a simple syscon driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 13/20] rockchip: Add an rk3036 MMC driver Lin Huang
                   ` (7 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

Add a driver which support pin multiplexing setup for rk3036

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2: None
Changes in v3:
- fix some coding style error

 drivers/pinctrl/Kconfig                   |  18 ++
 drivers/pinctrl/rockchip/Makefile         |   1 +
 drivers/pinctrl/rockchip/pinctrl_rk3036.c | 276 ++++++++++++++++++++++++++++++
 3 files changed, 295 insertions(+)
 create mode 100644 drivers/pinctrl/rockchip/pinctrl_rk3036.c

diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 3b6e3b7..6495313 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -114,6 +114,24 @@ config ROCKCHIP_PINCTRL
 	  definitions and pin control functions for each available multiplex
 	  function.
 
+config ROCKCHIP_3036_PINCTRL
+	bool "Rockchip rk3036 pin control driver"
+	depends on DM
+	help
+	  Support pin multiplexing control on Rockchip rk3036 SoCs. The driver is
+	  controlled by a device tree node which contains both the GPIO
+	  definitions and pin control functions for each available multiplex
+	  function.
+
+config ROCKCHIP_PINCTRL
+	bool "Rockchip pin control driver"
+	depends on DM
+	help
+	  Support pin multiplexing control on Rockchip SoCs. The driver is
+	  controlled by a device tree node which contains both the GPIO
+	  definitions and pin control functions for each available multiplex
+	  function.
+
 config PINCTRL_SANDBOX
 	bool "Sandbox pinctrl driver"
 	depends on SANDBOX
diff --git a/drivers/pinctrl/rockchip/Makefile b/drivers/pinctrl/rockchip/Makefile
index 251bace..6fa7d00 100644
--- a/drivers/pinctrl/rockchip/Makefile
+++ b/drivers/pinctrl/rockchip/Makefile
@@ -6,3 +6,4 @@
 #
 
 obj-$(CONFIG_ROCKCHIP_PINCTRL) += pinctrl_rk3288.o
+obj-$(CONFIG_ROCKCHIP_3036_PINCTRL) += pinctrl_rk3036.o
diff --git a/drivers/pinctrl/rockchip/pinctrl_rk3036.c b/drivers/pinctrl/rockchip/pinctrl_rk3036.c
new file mode 100644
index 0000000..581b096
--- /dev/null
+++ b/drivers/pinctrl/rockchip/pinctrl_rk3036.c
@@ -0,0 +1,276 @@
+/*
+ * Pinctrl driver for Rockchip 3036 SoCs
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/grf_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/periph.h>
+#include <dm/pinctrl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct rk3036_pinctrl_priv {
+	struct rk3036_grf *grf;
+};
+
+static void pinctrl_rk3036_pwm_config(struct rk3036_grf *grf, int pwm_id)
+{
+	switch (pwm_id) {
+	case PERIPH_ID_PWM0:
+		rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D2_MASK << GPIO0D2_SHIFT,
+			     GPIO0D2_PWM0 << GPIO0D2_SHIFT);
+		break;
+	case PERIPH_ID_PWM1:
+		rk_clrsetreg(&grf->gpio0a_iomux, GPIO0A0_MASK << GPIO0A0_SHIFT,
+			     GPIO0A0_PWM1 << GPIO0A0_SHIFT);
+		break;
+	case PERIPH_ID_PWM2:
+		rk_clrsetreg(&grf->gpio0a_iomux, GPIO0A1_MASK << GPIO0A1_SHIFT,
+			     GPIO0A1_PWM2 << GPIO0A1_SHIFT);
+		break;
+	case PERIPH_ID_PWM3:
+		rk_clrsetreg(&grf->gpio0a_iomux, GPIO0D3_MASK << GPIO0D3_SHIFT,
+			     GPIO0D3_PWM3 << GPIO0D3_SHIFT);
+		break;
+	default:
+		debug("pwm id = %d iomux error!\n", pwm_id);
+		break;
+	}
+}
+
+static void pinctrl_rk3036_i2c_config(struct rk3036_grf *grf, int i2c_id)
+{
+	switch (i2c_id) {
+	case PERIPH_ID_I2C0:
+		rk_clrsetreg(&grf->gpio0a_iomux,
+			     GPIO0A1_MASK << GPIO0A1_SHIFT |
+			     GPIO0A0_MASK << GPIO0A0_SHIFT,
+			     GPIO0A1_I2C0_SDA << GPIO0A1_SHIFT |
+			     GPIO0A0_I2C0_SCL << GPIO0A0_SHIFT);
+
+		break;
+	case PERIPH_ID_I2C1:
+		rk_clrsetreg(&grf->gpio0a_iomux,
+			     GPIO0A3_MASK << GPIO0A3_SHIFT |
+			     GPIO0A2_MASK << GPIO0A2_SHIFT,
+			     GPIO0A3_I2C1_SDA << GPIO0A3_SHIFT |
+			     GPIO0A2_I2C1_SCL << GPIO0A2_SHIFT);
+		break;
+	case PERIPH_ID_I2C2:
+		rk_clrsetreg(&grf->gpio2c_iomux,
+			     GPIO2C5_MASK << GPIO2C5_SHIFT |
+			     GPIO2C4_MASK << GPIO2C4_SHIFT,
+			     GPIO2C5_I2C2_SCL << GPIO2C5_SHIFT |
+			     GPIO2C4_I2C2_SDA << GPIO2C4_SHIFT);
+
+		break;
+	}
+}
+
+static void pinctrl_rk3036_spi_config(struct rk3036_grf *grf, int cs)
+{
+	switch (cs) {
+	case 0:
+		rk_clrsetreg(&grf->gpio1d_iomux,
+			     GPIO1D6_MASK << GPIO1D6_SHIFT,
+			     GPIO1D6_SPI_CSN0 << GPIO1D6_SHIFT);
+		break;
+	case 1:
+		rk_clrsetreg(&grf->gpio1d_iomux,
+			     GPIO1D7_MASK << GPIO1D7_SHIFT,
+			     GPIO1D7_SPI_CSN1 << GPIO1D7_SHIFT);
+		break;
+	}
+	rk_clrsetreg(&grf->gpio1d_iomux,
+		     GPIO1D5_MASK << GPIO1D5_SHIFT |
+		     GPIO1D4_MASK << GPIO1D4_SHIFT,
+		     GPIO1D5_SPI_TXD << GPIO1D5_SHIFT |
+		     GPIO1D4_SPI_RXD << GPIO1D4_SHIFT);
+
+	rk_clrsetreg(&grf->gpio2a_iomux,
+		     GPIO2A0_MASK << GPIO2A0_SHIFT,
+		     GPIO2A0_SPI_CLK << GPIO2A0_SHIFT);
+}
+
+static void pinctrl_rk3036_uart_config(struct rk3036_grf *grf, int uart_id)
+{
+	switch (uart_id) {
+	case PERIPH_ID_UART0:
+		rk_clrsetreg(&grf->gpio0c_iomux,
+			     GPIO0C3_MASK << GPIO0C3_SHIFT |
+			     GPIO0C2_MASK << GPIO0C2_SHIFT |
+			     GPIO0C1_MASK << GPIO0C1_SHIFT |
+			     GPIO0C0_MASK << GPIO0C0_SHIFT,
+			     GPIO0C3_UART0_CTSN << GPIO0C3_SHIFT |
+			     GPIO0C2_UART0_RTSN << GPIO0C2_SHIFT |
+			     GPIO0C1_UART0_SIN << GPIO0C1_SHIFT |
+			     GPIO0C0_UART0_SOUT << GPIO0C0_SHIFT);
+		break;
+	case PERIPH_ID_UART1:
+		rk_clrsetreg(&grf->gpio2c_iomux,
+			     GPIO2C7_MASK << GPIO2C7_SHIFT |
+			     GPIO2C6_MASK << GPIO2C6_SHIFT,
+			     GPIO2C7_UART1_SOUT << GPIO2C7_SHIFT |
+			     GPIO2C6_UART1_SIN << GPIO2C6_SHIFT);
+		break;
+	case PERIPH_ID_UART2:
+		rk_clrsetreg(&grf->gpio1c_iomux,
+			     GPIO1C3_MASK << GPIO1C3_SHIFT |
+			     GPIO1C2_MASK << GPIO1C2_SHIFT,
+			     GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
+			     GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
+		break;
+	}
+}
+
+static void pinctrl_rk3036_sdmmc_config(struct rk3036_grf *grf, int mmc_id)
+{
+	switch (mmc_id) {
+	case PERIPH_ID_EMMC:
+		rk_clrsetreg(&grf->gpio1d_iomux, 0xffff,
+			     GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT |
+			     GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT |
+			     GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT |
+			     GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT |
+			     GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT |
+			     GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT |
+			     GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT |
+			     GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT);
+		rk_clrsetreg(&grf->gpio2a_iomux,
+			     GPIO2A4_MASK << GPIO2A4_SHIFT |
+			     GPIO2A1_MASK << GPIO2A1_SHIFT,
+			     GPIO2A4_EMMC_CMD << GPIO2A4_SHIFT |
+			     GPIO2A1_EMMC_CLKOUT << GPIO2A1_SHIFT);
+		break;
+	case PERIPH_ID_SDCARD:
+		rk_clrsetreg(&grf->gpio1c_iomux, 0xffff,
+			     GPIO1C5_MMC0_D3 << GPIO1C5_SHIFT |
+			     GPIO1C4_MMC0_D2 << GPIO1C4_SHIFT |
+			     GPIO1C3_MMC0_D1 << GPIO1C3_SHIFT |
+			     GPIO1C2_MMC0_D0 << GPIO1C2_SHIFT |
+			     GPIO1C1_MMC0_DETN << GPIO1C1_SHIFT |
+			     GPIO1C0_MMC0_CLKOUT << GPIO1C0_SHIFT);
+		break;
+	}
+}
+
+static int rk3036_pinctrl_request(struct udevice *dev, int func, int flags)
+{
+	struct rk3036_pinctrl_priv *priv = dev_get_priv(dev);
+
+	debug("%s: func=%x, flags=%x\n", __func__, func, flags);
+	switch (func) {
+	case PERIPH_ID_PWM0:
+	case PERIPH_ID_PWM1:
+	case PERIPH_ID_PWM2:
+	case PERIPH_ID_PWM3:
+		pinctrl_rk3036_pwm_config(priv->grf, func);
+		break;
+	case PERIPH_ID_I2C0:
+	case PERIPH_ID_I2C1:
+	case PERIPH_ID_I2C2:
+		pinctrl_rk3036_i2c_config(priv->grf, func);
+		break;
+	case PERIPH_ID_SPI0:
+		pinctrl_rk3036_spi_config(priv->grf, flags);
+		break;
+	case PERIPH_ID_UART0:
+	case PERIPH_ID_UART1:
+	case PERIPH_ID_UART2:
+		pinctrl_rk3036_uart_config(priv->grf, func);
+		break;
+	case PERIPH_ID_SDMMC0:
+	case PERIPH_ID_SDMMC1:
+		pinctrl_rk3036_sdmmc_config(priv->grf, func);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int rk3036_pinctrl_get_periph_id(struct udevice *dev,
+					struct udevice *periph)
+{
+	u32 cell[3];
+	int ret;
+
+	ret = fdtdec_get_int_array(gd->fdt_blob, periph->of_offset,
+				   "interrupts", cell, ARRAY_SIZE(cell));
+	if (ret < 0)
+		return -EINVAL;
+
+	switch (cell[1]) {
+	case 14:
+		return PERIPH_ID_SDCARD;
+	case 16:
+		return PERIPH_ID_EMMC;
+	case 20:
+		return PERIPH_ID_UART0;
+	case 21:
+		return PERIPH_ID_UART1;
+	case 22:
+		return PERIPH_ID_UART2;
+	case 23:
+		return PERIPH_ID_SPI0;
+	case 24:
+		return PERIPH_ID_I2C0;
+	case 25:
+		return PERIPH_ID_I2C1;
+	case 26:
+		return PERIPH_ID_I2C2;
+	case 30:
+		return PERIPH_ID_PWM0;
+	}
+	return -ENOENT;
+}
+
+static int rk3036_pinctrl_set_state_simple(struct udevice *dev,
+					   struct udevice *periph)
+{
+	int func;
+
+	func = rk3036_pinctrl_get_periph_id(dev, periph);
+	if (func < 0)
+		return func;
+	return rk3036_pinctrl_request(dev, func, 0);
+}
+
+static struct pinctrl_ops rk3036_pinctrl_ops = {
+	.set_state_simple	= rk3036_pinctrl_set_state_simple,
+	.request	= rk3036_pinctrl_request,
+	.get_periph_id	= rk3036_pinctrl_get_periph_id,
+};
+
+static int rk3036_pinctrl_probe(struct udevice *dev)
+{
+	struct rk3036_pinctrl_priv *priv = dev_get_priv(dev);
+
+	priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+	debug("%s: grf=%p\n", __func__, priv->grf);
+	return 0;
+}
+
+static const struct udevice_id rk3036_pinctrl_ids[] = {
+	{ .compatible = "rockchip,rk3036-pinctrl" },
+	{ }
+};
+
+U_BOOT_DRIVER(pinctrl_rk3036) = {
+	.name		= "pinctrl_rk3036",
+	.id		= UCLASS_PINCTRL,
+	.of_match	= rk3036_pinctrl_ids,
+	.priv_auto_alloc_size = sizeof(struct rk3036_pinctrl_priv),
+	.ops		= &rk3036_pinctrl_ops,
+	.probe		= rk3036_pinctrl_probe,
+};
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 13/20] rockchip: Add an rk3036 MMC driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (11 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 12/20] rockchip: rk3036: Add pinctrl driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 14/20] rockchip: add early uart driver Lin Huang
                   ` (6 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

rk3036 mmc driver is similar to dw_mmc, but use external dma,
this patch implment fifo mode, need to do dma mode in future.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- modify code suggest by Simon:
- use get_time() to do timeout
Changes in v3:
- extend read and write data timeout time
- fix write data read fifo length bug

 drivers/mmc/Kconfig                |   9 +
 drivers/mmc/Makefile               |   1 +
 drivers/mmc/rockchip_3036_dw_mmc.c | 485 +++++++++++++++++++++++++++++++++++++
 3 files changed, 495 insertions(+)
 create mode 100644 drivers/mmc/rockchip_3036_dw_mmc.c

diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index ceae7bc..a4f9c8d 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -25,6 +25,15 @@ config ROCKCHIP_DWMMC
 	  SD 3.0, SDIO 3.0 and MMC 4.5 and supports common eMMC chips as well
 	  as removeable SD and micro-SD cards.
 
+config ROCKCHIP_3036_DWMMC
+	bool "Rockchip 3036 SD/MMC controller support"
+	depends on DM_MMC && OF_CONTROL
+	help
+	  This enables support for the Rockchip 3036 SD/MMM controller, which is
+	  based on Designware IP. The device is compatible with at least
+	  SD 3.0, SDIO 3.0 and MMC 4.5 and supports common eMMC chips as well
+	  as removeable SD and micro-SD cards.
+
 config SH_SDHI
 	bool "SuperH/Renesas ARM SoCs on-chip SDHI host controller support"
 	depends on RMOBILE
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 5d35705..bb50e3a 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -31,6 +31,7 @@ obj-$(CONFIG_OMAP_HSMMC) += omap_hsmmc.o
 obj-$(CONFIG_X86) += pci_mmc.o
 obj-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o
 obj-$(CONFIG_ROCKCHIP_DWMMC) += rockchip_dw_mmc.o
+obj-$(CONFIG_ROCKCHIP_3036_DWMMC) += rockchip_3036_dw_mmc.o
 obj-$(CONFIG_SUPPORT_EMMC_RPMB) += rpmb.o
 obj-$(CONFIG_S3C_SDI) += s3c_sdi.o
 obj-$(CONFIG_S5P_SDHCI) += s5p_sdhci.o
diff --git a/drivers/mmc/rockchip_3036_dw_mmc.c b/drivers/mmc/rockchip_3036_dw_mmc.c
new file mode 100644
index 0000000..61569ab
--- /dev/null
+++ b/drivers/mmc/rockchip_3036_dw_mmc.c
@@ -0,0 +1,485 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <dwmmc.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/periph.h>
+#include <linux/err.h>
+#include <bouncebuf.h>
+#include <common.h>
+#include <errno.h>
+#include <malloc.h>
+#include <mmc.h>
+#include <dwmmc.h>
+#include <asm-generic/errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define PAGE_SIZE	4096
+#define FIFO_DETH	256
+
+/* SDMMC_STATUS */
+#define MMC_FIFO_MASK	0x1ff
+#define	MMC_FIFO_SHIFT	17
+
+struct rockchip_dwmmc_priv {
+	struct udevice *clk;
+	struct dwmci_host host;
+};
+
+static int dwmci_wait_reset(struct dwmci_host *host, u32 value)
+{
+	unsigned long timeout = 1000;
+	unsigned long start = get_timer(0);
+	u32 ctrl;
+
+	dwmci_writel(host, DWMCI_CTRL, value);
+
+	do {
+		ctrl = dwmci_readl(host, DWMCI_CTRL);
+		if (!(ctrl & DWMCI_RESET_ALL))
+			return 1;
+	} while (get_timer(start) < timeout);
+
+	return 0;
+}
+
+static int dwmci_set_transfer_mode(struct dwmci_host *host,
+		struct mmc_data *data)
+{
+	unsigned long mode;
+
+	mode = DWMCI_CMD_DATA_EXP;
+	if (data->flags & MMC_DATA_WRITE)
+		mode |= DWMCI_CMD_RW;
+
+	return mode;
+}
+
+static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
+		struct mmc_data *data)
+{
+	struct dwmci_host *host = mmc->priv;
+	int ret = 0, flags = 0, i;
+	unsigned int timeout = 100000;
+	u32 retry = 10000;
+	u32 mask;
+	ulong start = get_timer(0);
+	int size;
+	unsigned int fifo_len;
+	unsigned int *buf = 0;
+
+	while (dwmci_readl(host, DWMCI_STATUS) & DWMCI_BUSY) {
+		if (get_timer(start) > timeout) {
+			debug("%s: Timeout on data busy\n", __func__);
+			return TIMEOUT;
+		}
+	}
+
+	dwmci_writel(host, DWMCI_RINTSTS, DWMCI_INTMSK_ALL);
+
+	if (data) {
+		/*
+		 * TODO: rk3036 use external DMA,
+		 * need to support DMA mode in future
+		 */
+		if (data->flags == MMC_DATA_READ)
+			buf = (unsigned int *)data->dest;
+		else
+			buf = (unsigned int *)data->src;
+		dwmci_writel(host, DWMCI_BLKSIZ, data->blocksize);
+		dwmci_writel(host, DWMCI_BYTCNT,
+			     data->blocksize * data->blocks);
+		dwmci_wait_reset(host, DWMCI_CTRL_FIFO_RESET);
+	}
+
+	dwmci_writel(host, DWMCI_CMDARG, cmd->cmdarg);
+
+	if (data)
+		flags = dwmci_set_transfer_mode(host, data);
+
+	if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
+		return -1;
+
+	if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
+		flags |= DWMCI_CMD_ABORT_STOP;
+	else
+		flags |= DWMCI_CMD_PRV_DAT_WAIT;
+
+	if (cmd->resp_type & MMC_RSP_PRESENT) {
+		flags |= DWMCI_CMD_RESP_EXP;
+		if (cmd->resp_type & MMC_RSP_136)
+			flags |= DWMCI_CMD_RESP_LENGTH;
+	}
+
+	if (cmd->resp_type & MMC_RSP_CRC)
+		flags |= DWMCI_CMD_CHECK_CRC;
+
+	flags |= (cmd->cmdidx | DWMCI_CMD_START | DWMCI_CMD_USE_HOLD_REG);
+
+	debug("Sending CMD%d\n", cmd->cmdidx);
+
+	dwmci_writel(host, DWMCI_CMD, flags);
+
+	for (i = 0; i < retry; i++) {
+		mask = dwmci_readl(host, DWMCI_RINTSTS);
+		if (mask & DWMCI_INTMSK_CDONE) {
+			if (!data)
+				dwmci_writel(host, DWMCI_RINTSTS, mask);
+			break;
+		}
+	}
+
+	if (i == retry) {
+		debug("%s: Timeout.\n", __func__);
+		return TIMEOUT;
+	}
+
+	if (mask & DWMCI_INTMSK_RTO) {
+		/*
+		 * Timeout here is not necessarily fatal. (e)MMC cards
+		 * will splat here when they receive CMD55 as they do
+		 * not support this command and that is exactly the way
+		 * to tell them apart from SD cards. Thus, this output
+		 * below shall be debug(). eMMC cards also do not favor
+		 * CMD8, please keep that in mind.
+		 */
+		debug("%s: Response Timeout.\n", __func__);
+		return TIMEOUT;
+	} else if (mask & DWMCI_INTMSK_RE) {
+		debug("%s: Response Error.\n", __func__);
+		return -EIO;
+	}
+
+	if (cmd->resp_type & MMC_RSP_PRESENT) {
+		if (cmd->resp_type & MMC_RSP_136) {
+			cmd->response[0] = dwmci_readl(host, DWMCI_RESP3);
+			cmd->response[1] = dwmci_readl(host, DWMCI_RESP2);
+			cmd->response[2] = dwmci_readl(host, DWMCI_RESP1);
+			cmd->response[3] = dwmci_readl(host, DWMCI_RESP0);
+		} else {
+			cmd->response[0] = dwmci_readl(host, DWMCI_RESP0);
+		}
+	}
+
+	if (data) {
+		size = data->blocksize * data->blocks / 4;
+		start = get_timer(0);
+		timeout = 10000;
+		for (;;) {
+			mask = dwmci_readl(host, DWMCI_RINTSTS);
+			/* Error during data transfer. */
+			if (mask & (DWMCI_DATA_ERR | DWMCI_DATA_TOUT)) {
+				debug("%s: DATA ERROR!\n", __func__);
+				ret = -EINVAL;
+				break;
+			}
+
+			/*
+			 * TODO: rk3036 use external DMA,
+			 * need to support DMA mode in future
+			 */
+			if (data->flags == MMC_DATA_READ) {
+				if ((dwmci_readl(host, DWMCI_RINTSTS) &&
+				     DWMCI_INTMSK_RXDR) && size) {
+					fifo_len = dwmci_readl(host,
+							       DWMCI_STATUS);
+					fifo_len = (fifo_len >> MMC_FIFO_SHIFT)
+						    & MMC_FIFO_MASK;
+					for (i = 0; i < fifo_len; i++)
+						*buf++ = dwmci_readl(host,
+								DWMCI_DATA);
+					dwmci_writel(host, DWMCI_RINTSTS,
+						     DWMCI_INTMSK_RXDR);
+					size = size > fifo_len ?
+							(size - fifo_len) : 0;
+				}
+			} else {
+				if ((dwmci_readl(host, DWMCI_RINTSTS) &&
+				     DWMCI_INTMSK_TXDR) && size) {
+					fifo_len = dwmci_readl(host,
+							DWMCI_STATUS);
+					fifo_len = FIFO_DETH -
+						((fifo_len >> MMC_FIFO_SHIFT)
+						& MMC_FIFO_MASK);
+					for (i = 0; i < fifo_len; i++)
+						dwmci_writel(host, DWMCI_DATA,
+							     *buf++);
+					dwmci_writel(host, DWMCI_RINTSTS,
+						     DWMCI_INTMSK_TXDR);
+					size = size > fifo_len ?
+							(size - fifo_len) : 0;
+				}
+			}
+
+			/* Data arrived correctly. */
+			if (mask & DWMCI_INTMSK_DTO) {
+				ret = 0;
+				break;
+			}
+
+			/* Check for timeout. */
+			if (get_timer(start) > timeout) {
+				debug("%s: Timeout waiting for data!\n",
+				      __func__);
+				ret = TIMEOUT;
+				break;
+			}
+		}
+		dwmci_writel(host, DWMCI_RINTSTS, mask);
+	}
+	udelay(100);
+
+	return ret;
+}
+
+static int dwmci_setup_bus(struct dwmci_host *host, u32 freq)
+{
+	u32 div, status;
+	int timeout = 10000;
+	unsigned long sclk;
+	unsigned long start = get_timer(0);
+
+	if ((freq == host->clock) || (freq == 0))
+		return 0;
+	/*
+	 * If host->get_mmc_clk isn't defined,
+	 * then assume that host->bus_hz is source clock value.
+	 * host->bus_hz should be set by user.
+	 */
+	if (host->get_mmc_clk) {
+		sclk = host->get_mmc_clk(host, freq);
+	} else if (host->bus_hz) {
+		sclk = host->bus_hz;
+	} else {
+		debug("%s: Didn't get source clock value.\n", __func__);
+		return -EINVAL;
+	}
+
+	if (sclk == freq)
+		div = 0;	/* bypass mode */
+	else
+		div = DIV_ROUND_UP(sclk, 2 * freq);
+
+	dwmci_writel(host, DWMCI_CLKENA, 0);
+	dwmci_writel(host, DWMCI_CLKSRC, 0);
+
+	dwmci_writel(host, DWMCI_CLKDIV, div);
+	dwmci_writel(host, DWMCI_CMD, DWMCI_CMD_PRV_DAT_WAIT |
+			DWMCI_CMD_UPD_CLK | DWMCI_CMD_START);
+
+	do {
+		status = dwmci_readl(host, DWMCI_CMD);
+		if (get_timer(start) > timeout) {
+			debug("%s: Timeout!\n", __func__);
+			return -ETIMEDOUT;
+		}
+	} while (status & DWMCI_CMD_START);
+
+	dwmci_writel(host, DWMCI_CLKENA, DWMCI_CLKEN_ENABLE |
+			DWMCI_CLKEN_LOW_PWR);
+
+	dwmci_writel(host, DWMCI_CMD, DWMCI_CMD_PRV_DAT_WAIT |
+			DWMCI_CMD_UPD_CLK | DWMCI_CMD_START);
+
+	start = get_timer(0);
+	do {
+		status = dwmci_readl(host, DWMCI_CMD);
+		if (get_timer(start) > timeout) {
+			debug("%s: Timeout!\n", __func__);
+			return -ETIMEDOUT;
+		}
+	} while (status & DWMCI_CMD_START);
+
+	host->clock = freq;
+
+	return 0;
+}
+
+static void dwmci_set_ios(struct mmc *mmc)
+{
+	struct dwmci_host *host = (struct dwmci_host *)mmc->priv;
+	u32 ctype, regs;
+
+	debug("Buswidth = %d, clock: %d\n", mmc->bus_width, mmc->clock);
+
+	dwmci_setup_bus(host, mmc->clock);
+	switch (mmc->bus_width) {
+	case 8:
+		ctype = DWMCI_CTYPE_8BIT;
+		break;
+	case 4:
+		ctype = DWMCI_CTYPE_4BIT;
+		break;
+	default:
+		ctype = DWMCI_CTYPE_1BIT;
+		break;
+	}
+
+	dwmci_writel(host, DWMCI_CTYPE, ctype);
+
+	regs = dwmci_readl(host, DWMCI_UHS_REG);
+	if (mmc->ddr_mode)
+		regs |= DWMCI_DDR_MODE;
+	else
+		regs &= ~DWMCI_DDR_MODE;
+
+	dwmci_writel(host, DWMCI_UHS_REG, regs);
+
+	if (host->clksel)
+		host->clksel(host);
+}
+
+static int dwmci_init(struct mmc *mmc)
+{
+	struct dwmci_host *host = mmc->priv;
+
+	if (host->board_init)
+		host->board_init(host);
+
+	dwmci_writel(host, DWMCI_PWREN, 1);
+
+	if (!dwmci_wait_reset(host, DWMCI_RESET_ALL)) {
+		debug("%s[%d] Fail-reset!!\n", __func__, __LINE__);
+		return -EIO;
+	}
+
+	/* Enumerate at 400KHz */
+	dwmci_setup_bus(host, mmc->cfg->f_min);
+
+	dwmci_writel(host, DWMCI_RINTSTS, 0xFFFFFFFF);
+	dwmci_writel(host, DWMCI_INTMASK, 0);
+
+	dwmci_writel(host, DWMCI_TMOUT, 0xFFFFFFFF);
+
+	dwmci_writel(host, DWMCI_IDINTEN, 0);
+	dwmci_writel(host, DWMCI_BMOD, 1);
+
+	if (!host->fifoth_val) {
+		host->fifoth_val = MSIZE(0x2) | RX_WMARK(FIFO_DETH / 2 - 1) |
+				TX_WMARK(FIFO_DETH / 2);
+	}
+	dwmci_writel(host, DWMCI_FIFOTH, host->fifoth_val);
+
+	dwmci_writel(host, DWMCI_CLKENA, 0);
+	dwmci_writel(host, DWMCI_CLKSRC, 0);
+
+	return 0;
+}
+
+static const struct mmc_ops dwmci_ops = {
+	.send_cmd	= dwmci_send_cmd,
+	.set_ios	= dwmci_set_ios,
+	.init		= dwmci_init,
+};
+
+int add_dwmci(struct dwmci_host *host, u32 max_clk, u32 min_clk)
+{
+	host->cfg.name = host->name;
+	host->cfg.ops = &dwmci_ops;
+	host->cfg.f_min = min_clk;
+	host->cfg.f_max = max_clk;
+
+	host->cfg.voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
+
+	host->cfg.host_caps = host->caps;
+
+	if (host->buswidth == 8) {
+		host->cfg.host_caps |= MMC_MODE_8BIT;
+		host->cfg.host_caps &= ~MMC_MODE_4BIT;
+	} else {
+		host->cfg.host_caps |= MMC_MODE_4BIT;
+		host->cfg.host_caps &= ~MMC_MODE_8BIT;
+	}
+	host->cfg.host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;
+
+	host->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
+
+	host->mmc = mmc_create(&host->cfg, host);
+	if (host->mmc == NULL)
+		return -1;
+
+	return 0;
+}
+
+static uint rockchip_dwmmc_get_mmc_clk(struct dwmci_host *host, uint freq)
+{
+	struct udevice *dev = host->priv;
+	struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
+	int ret;
+
+	ret = clk_set_periph_rate(priv->clk, PERIPH_ID_SDMMC0 + host->dev_index,
+				  freq);
+	if (ret < 0) {
+		debug("%s: err=%d\n", __func__, ret);
+		return ret;
+	}
+
+	return freq;
+}
+
+static int rockchip_dwmmc_ofdata_to_platdata(struct udevice *dev)
+{
+	struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
+	struct dwmci_host *host = &priv->host;
+
+	host->name = dev->name;
+	host->ioaddr = (void *)dev_get_addr(dev);
+	host->buswidth = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+					"bus-width", 4);
+	host->get_mmc_clk = rockchip_dwmmc_get_mmc_clk;
+	host->priv = dev;
+
+	/* use non-removeable as sdcard and emmc as judgement */
+	if (fdtdec_lookup_phandle(gd->fdt_blob, dev->of_offset, "non-removable")
+					== -FDT_ERR_NOTFOUND)
+		host->dev_index = (ulong)host->ioaddr == 1;
+
+	return 0;
+}
+
+static int rockchip_dwmmc_probe(struct udevice *dev)
+{
+	struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
+	struct rockchip_dwmmc_priv *priv = dev_get_priv(dev);
+	struct dwmci_host *host = &priv->host;
+	u32 minmax[2];
+	int ret;
+
+	ret = uclass_get_device(UCLASS_CLK, CLK_GENERAL, &priv->clk);
+	if (ret)
+		return ret;
+
+	ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset,
+				   "clock-freq-min-max", minmax, 2);
+	if (!ret)
+		ret = add_dwmci(host, minmax[1], minmax[0]);
+	if (ret)
+		return ret;
+
+	upriv->mmc = host->mmc;
+
+	return 0;
+}
+
+static const struct udevice_id rockchip_dwmmc_ids[] = {
+	{ .compatible = "rockchip,rk3288-dw-mshc" },
+	{ }
+};
+
+U_BOOT_DRIVER(rockchip_dwmmc_drv) = {
+	.name		= "rockchip_3036_dwmmc",
+	.id		= UCLASS_MMC,
+	.of_match	= rockchip_dwmmc_ids,
+	.ofdata_to_platdata = rockchip_dwmmc_ofdata_to_platdata,
+	.probe		= rockchip_dwmmc_probe,
+	.priv_auto_alloc_size = sizeof(struct rockchip_dwmmc_priv),
+};
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 14/20] rockchip: add early uart driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (12 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 13/20] rockchip: Add an rk3036 MMC driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver Lin Huang
                   ` (5 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

add early uart driver so we can print debug message in
SPL stage

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3:
- pass uart base address to rk_uart_init() function

 arch/arm/include/asm/arch-rockchip/uart.h | 44 ++++++++++++++++++++++++
 arch/arm/mach-rockchip/Makefile           |  1 +
 arch/arm/mach-rockchip/rk_early_print.c   | 56 +++++++++++++++++++++++++++++++
 3 files changed, 101 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-rockchip/uart.h
 create mode 100644 arch/arm/mach-rockchip/rk_early_print.c

diff --git a/arch/arm/include/asm/arch-rockchip/uart.h b/arch/arm/include/asm/arch-rockchip/uart.h
new file mode 100644
index 0000000..ea86ce6
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/uart.h
@@ -0,0 +1,44 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_UART_H
+#define __ASM_ARCH_UART_H
+struct rk_uart {
+	unsigned int rbr; /* Receive buffer register. */
+	unsigned int ier; /* Interrupt enable register. */
+	unsigned int fcr; /* FIFO control register. */
+	unsigned int lcr; /* Line control register. */
+	unsigned int mcr; /* Modem control register. */
+	unsigned int lsr; /* Line status register. */
+	unsigned int msr; /* Modem status register. */
+	unsigned int scr;
+	unsigned int reserved1[(0x30 - 0x20) / 4];
+	unsigned int srbr[(0x70 - 0x30) / 4];
+	unsigned int far;
+	unsigned int tfr;
+	unsigned int rfw;
+	unsigned int usr;
+	unsigned int tfl;
+	unsigned int rfl;
+	unsigned int srr;
+	unsigned int srts;
+	unsigned int sbcr;
+	unsigned int sdmam;
+	unsigned int sfe;
+	unsigned int srt;
+	unsigned int stet;
+	unsigned int htx;
+	unsigned int dmasa;
+	unsigned int reserver2[(0xf4 - 0xac) / 4];
+	unsigned int cpr;
+	unsigned int ucv;
+	unsigned int ctr;
+};
+
+void rk_uart_init(void *base);
+void print_hex(unsigned int n);
+void print(char *s);
+#endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 902235b..a29675d 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -10,5 +10,6 @@ else
 obj-y += board.o
 endif
 obj-y += rk_timer.o
+obj-y += rk_early_print.o
 obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
diff --git a/arch/arm/mach-rockchip/rk_early_print.c b/arch/arm/mach-rockchip/rk_early_print.c
new file mode 100644
index 0000000..c63ebd5
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk_early_print.c
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <asm/io.h>
+#include <asm/arch/uart.h>
+#include <common.h>
+
+static struct rk_uart *uart_ptr;
+
+static void uart_wrtie_byte(char byte)
+{
+	writel(byte, &uart_ptr->rbr);
+	while (!(readl(&uart_ptr->lsr) & 0x40))
+		;
+}
+
+void print(char *s)
+{
+	while (*s) {
+		if (*s == '\n')
+			uart_wrtie_byte('\r');
+	    uart_wrtie_byte(*s);
+	    s++;
+	}
+}
+
+void print_hex(unsigned int n)
+{
+	int i;
+	int temp;
+
+	uart_wrtie_byte('0');
+	uart_wrtie_byte('x');
+
+	for (i = 8; i > 0; i--) {
+		temp = (n >> (i - 1) * 4) & 0x0f;
+		if (temp < 10)
+			uart_wrtie_byte((char)(temp + '0'));
+		else
+			uart_wrtie_byte((char)(temp - 10 + 'a'));
+	}
+	uart_wrtie_byte('\n');
+	uart_wrtie_byte('\r');
+}
+
+void rk_uart_init(void *base)
+{
+	uart_ptr = (struct rk_uart *)base;
+	writel(0x83, &uart_ptr->lcr);
+	writel(0x0d, &uart_ptr->rbr);
+	writel(0x03, &uart_ptr->lcr);
+	writel(0x01, &uart_ptr->sfe);
+}
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (13 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 14/20] rockchip: add early uart driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06 12:08   ` Simon Glass
  2015-11-06 23:58   ` Simon Glass
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 16/20] rockchip: rk3036: Add core Soc start-up code Lin Huang
                   ` (4 subsequent siblings)
  19 siblings, 2 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

add rk3036 sdram driver so we can set up sdram in SPL

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1: None
Changes in v2: None
Changes in v3: fix some code style error

 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
 arch/arm/mach-rockchip/rk3036/Makefile            |   2 +
 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 ++++++++++++++++++++++
 3 files changed, 1067 insertions(+)
 create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
 create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c

diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
new file mode 100644
index 0000000..76c8b5b
--- /dev/null
+++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
@@ -0,0 +1,336 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef _ASM_ARCH_SDRAM_RK3036_H
+#define _ASM_ARCH_SDRAM_RK3036_H
+
+#include <common.h>
+
+struct rk3036_ddr_pctl {
+	u32 scfg;
+	u32 sctl;
+	u32 stat;
+	u32 intrstat;
+	u32 reserved0[12];
+	u32 mcmd;
+	u32 powctl;
+	u32 powstat;
+	u32 cmdtstat;
+	u32 cmdtstaten;
+	u32 reserved1[3];
+	u32 mrrcfg0;
+	u32 mrrstat0;
+	u32 mrrstat1;
+	u32 reserved2[4];
+	u32 mcfg1;
+	u32 mcfg;
+	u32 ppcfg;
+	u32 mstat;
+	u32 lpddr2zqcfg;
+	u32 reserved3;
+	u32 dtupdes;
+	u32 dtuna;
+	u32 dtune;
+	u32 dtuprd0;
+	u32 dtuprd1;
+	u32 dtuprd2;
+	u32 dtuprd3;
+	u32 dtuawdt;
+	u32 reserved4[3];
+	u32 togcnt1u;
+	u32 tinit;
+	u32 trsth;
+	u32 togcnt100n;
+	u32 trefi;
+	u32 tmrd;
+	u32 trfc;
+	u32 trp;
+	u32 trtw;
+	u32 tal;
+	u32 tcl;
+	u32 tcwl;
+	u32 tras;
+	u32 trc;
+	u32 trcd;
+	u32 trrd;
+	u32 trtp;
+	u32 twr;
+	u32 twtr;
+	u32 texsr;
+	u32 txp;
+	u32 txpdll;
+	u32 tzqcs;
+	u32 tzqcsi;
+	u32 tdqs;
+	u32 tcksre;
+	u32 tcksrx;
+	u32 tcke;
+	u32 tmod;
+	u32 trstl;
+	u32 tzqcl;
+	u32 tmrr;
+	u32 tckesr;
+	u32 reserved5[47];
+	u32 dtuwactl;
+	u32 dturactl;
+	u32 dtucfg;
+	u32 dtuectl;
+	u32 dtuwd0;
+	u32 dtuwd1;
+	u32 dtuwd2;
+	u32 dtuwd3;
+	u32 dtuwdm;
+	u32 dturd0;
+	u32 dturd1;
+	u32 dturd2;
+	u32 dturd3;
+	u32 dtulfsrwd;
+	u32 dtulfsrrd;
+	u32 dtueaf;
+	u32 dfitctrldelay;
+	u32 dfiodtcfg;
+	u32 dfiodtcfg1;
+	u32 dfiodtrankmap;
+	u32 dfitphywrdata;
+	u32 dfitphywrlat;
+	u32 reserved7[2];
+	u32 dfitrddataen;
+	u32 dfitphyrdlat;
+	u32 reserved8[2];
+	u32 dfitphyupdtype0;
+	u32 dfitphyupdtype1;
+	u32 dfitphyupdtype2;
+	u32 dfitphyupdtype3;
+	u32 dfitctrlupdmin;
+	u32 dfitctrlupdmax;
+	u32 dfitctrlupddly;
+	u32 reserved9;
+	u32 dfiupdcfg;
+	u32 dfitrefmski;
+	u32 dfitctrlupdi;
+	u32 reserved10[4];
+	u32 dfitrcfg0;
+	u32 dfitrstat0;
+	u32 dfitrwrlvlen;
+	u32 dfitrrdlvlen;
+	u32 dfitrrdlvlgateen;
+	u32 dfiststat0;
+	u32 dfistcfg0;
+	u32 dfistcfg1;
+	u32 reserved11;
+	u32 dfitdramclken;
+	u32 dfitdramclkdis;
+	u32 dfistcfg2;
+	u32 dfistparclr;
+	u32 dfistparlog;
+	u32 reserved12[3];
+	u32 dfilpcfg0;
+	u32 reserved13[3];
+	u32 dfitrwrlvlresp0;
+	u32 dfitrwrlvlresp1;
+	u32 dfitrwrlvlresp2;
+	u32 dfitrrdlvlresp0;
+	u32 dfitrrdlvlresp1;
+	u32 dfitrrdlvlresp2;
+	u32 dfitrwrlvldelay0;
+	u32 dfitrwrlvldelay1;
+	u32 dfitrwrlvldelay2;
+	u32 dfitrrdlvldelay0;
+	u32 dfitrrdlvldelay1;
+	u32 dfitrrdlvldelay2;
+	u32 dfitrrdlvlgatedelay0;
+	u32 dfitrrdlvlgatedelay1;
+	u32 dfitrrdlvlgatedelay2;
+	u32 dfitrcmd;
+	u32 reserved14[46];
+	u32 ipvr;
+	u32 iptr;
+};
+check_member(rk3036_ddr_pctl, iptr, 0x03fc);
+
+struct rk3036_ddr_phy {
+	u32 ddrphy_reg1;
+	u32 ddrphy_reg3;
+	u32 ddrphy_reg2;
+	u32 reserve[11];
+	u32 ddrphy_reg4a;
+	u32 ddrphy_reg4b;
+	u32 reserve1[5];
+	u32 ddrphy_reg16;
+	u32 reserve2;
+	u32 ddrphy_reg18;
+	u32 ddrphy_reg19;
+	u32 reserve3;
+	u32 ddrphy_reg21;
+	u32 reserve4;
+	u32 ddrphy_reg22;
+	u32 reserve5[3];
+	u32 ddrphy_reg25;
+	u32 ddrphy_reg26;
+	u32 ddrphy_reg27;
+	u32 ddrphy_reg28;
+	u32 reserve6[17];
+	u32 ddrphy_reg6;
+	u32 ddrphy_reg7;
+	u32 reserve7;
+	u32 ddrphy_reg8;
+	u32 ddrphy_reg0e4;
+	u32 reserve8[11];
+	u32 ddrphy_reg9;
+	u32 ddrphy_reg10;
+	u32 reserve9;
+	u32 ddrphy_reg11;
+	u32 ddrphy_reg124;
+	u32 reserve10[38];
+	u32 ddrphy_reg29;
+	u32 reserve11[40];
+	u32 ddrphy_reg264;
+	u32 reserve12[18];
+	u32 ddrphy_reg2a;
+	u32 reserve13[4];
+	u32 ddrphy_reg30;
+	u32 ddrphy_reg31;
+	u32 ddrphy_reg32;
+	u32 ddrphy_reg33;
+	u32 ddrphy_reg34;
+	u32 ddrphy_reg35;
+	u32 ddrphy_reg36;
+	u32 ddrphy_reg37;
+	u32 ddrphy_reg38;
+	u32 ddrphy_reg39;
+	u32 ddrphy_reg40;
+	u32 ddrphy_reg41;
+	u32 ddrphy_reg42;
+	u32 ddrphy_reg43;
+	u32 ddrphy_reg44;
+	u32 ddrphy_reg45;
+	u32 ddrphy_reg46;
+	u32 ddrphy_reg47;
+	u32 ddrphy_reg48;
+	u32 ddrphy_reg49;
+	u32 ddrphy_reg50;
+	u32 ddrphy_reg51;
+	u32 ddrphy_reg52;
+	u32 ddrphy_reg53;
+	u32 reserve14;
+	u32 ddrphy_reg54;
+	u32 ddrphy_reg55;
+	u32 ddrphy_reg56;
+	u32 ddrphy_reg57;
+	u32 ddrphy_reg58;
+	u32 ddrphy_reg59;
+	u32 ddrphy_reg5a;
+	u32 ddrphy_reg5b;
+	u32 ddrphy_reg5c;
+	u32 ddrphy_reg5d;
+	u32 ddrphy_reg5e;
+	u32 reserve15[28];
+	u32 ddrphy_reg5f;
+	u32 reserve16[6];
+	u32 ddrphy_reg60;
+	u32 ddrphy_reg61;
+	u32 ddrphy_reg62;
+};
+check_member(rk3036_ddr_phy, ddrphy_reg62, 0x03e8);
+
+struct rk3036_pctl_timing {
+	u32 togcnt1u;
+	u32 tinit;
+	u32 trsth;
+	u32 togcnt100n;
+	u32 trefi;
+	u32 tmrd;
+	u32 trfc;
+	u32 trp;
+	u32 trtw;
+	u32 tal;
+	u32 tcl;
+	u32 tcwl;
+	u32 tras;
+	u32 trc;
+	u32 trcd;
+	u32 trrd;
+	u32 trtp;
+	u32 twr;
+	u32 twtr;
+	u32 texsr;
+	u32 txp;
+	u32 txpdll;
+	u32 tzqcs;
+	u32 tzqcsi;
+	u32 tdqs;
+	u32 tcksre;
+	u32 tcksrx;
+	u32 tcke;
+	u32 tmod;
+	u32 trstl;
+	u32 tzqcl;
+	u32 tmrr;
+	u32 tckesr;
+	u32 tdpd;
+};
+
+struct rk3036_phy_timing {
+	u32 mr[4];
+	u32 bl;
+	u32 cl_al;
+};
+
+typedef union {
+	u32 noc_timing;
+	struct {
+		u32 acttoact:6;
+		u32 rdtomiss:6;
+		u32 wrtomiss:6;
+		u32 burstlen:3;
+		u32 rdtowr:5;
+		u32 wrtord:5;
+		u32 bwratio:1;
+	};
+} rk3036_noc_timing;
+
+struct rk3036_ddr_timing {
+	u32 freq;
+	struct rk3036_pctl_timing pctl_timing;
+	struct rk3036_phy_timing phy_timing;
+	rk3036_noc_timing noc_timing;
+};
+
+struct rk3036_service_sys {
+	u32 id_coreid;
+	u32 id_revisionid;
+	u32 ddrconf;
+	u32 ddrtiming;
+	u32 ddrmode;
+	u32 readlatency;
+};
+
+struct rk3036_ddr_config {
+	/*
+	 * 000: lpddr
+	 * 001: ddr
+	 * 010: ddr2
+	 * 011: ddr3
+	 * 100: lpddr2-s2
+	 * 101: lpddr2-s4
+	 * 110: lpddr3
+	 */
+	u32 ddr_type;
+	u32 rank;
+	u32 cs0_row;
+	u32 cs1_row;
+
+	/* 2: 4bank, 3: 8bank */
+	u32 bank;
+	u32 col;
+
+	/* bw(0: 8bit, 1: 16bit, 2: 32bit) */
+	u32 bw;
+};
+
+void sdram_init(void);
+void get_ddr_config(struct rk3036_ddr_config *config);
+size_t sdram_size(void);
+#endif
diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
index 5d14b95..6095777 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -8,3 +8,5 @@ ifndef CONFIG_SPL_BUILD
 obj-y += reset_rk3036.o
 obj-y += syscon_rk3036.o
 endif
+
+obj-y += sdram_rk3036.o
diff --git a/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
new file mode 100644
index 0000000..0327f18
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
@@ -0,0 +1,729 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#include <asm/arch/cru_rk3036.h>
+#include <asm/arch/grf_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/arch/timer.h>
+#include <asm/arch/uart.h>
+#include <asm/io.h>
+#include <asm/types.h>
+#include <common.h>
+
+#define CRU_BASE	0x20000000
+static struct rk3036_cru * const cru = (void *)CRU_BASE;
+
+#define GRF_BASE	0x20008000
+static struct rk3036_grf * const grf = (void *)GRF_BASE;
+
+#define	DDR_PHY_BASE	0x2000a000
+static struct rk3036_ddr_phy * const ddr_phy = (void *)DDR_PHY_BASE;
+
+#define	DDR_PCTL_BASE	0x20004000
+static struct rk3036_ddr_pctl * const pctl = (void *)DDR_PCTL_BASE;
+
+#define CPU_AXI_BUS_BASE	0x10128000
+static struct rk3036_service_sys * const axi_bus = (void *)CPU_AXI_BUS_BASE;
+
+/* use interge mode, 396M dpll setting
+ * refdiv, fbdiv, postdiv1, postdiv2
+ */
+static const struct pll_div dpll_init_cfg = {1, 66, 4, 1};
+
+/* 396Mhz ddr timing */
+struct rk3036_ddr_timing ddr_timing = {0x18c,
+	0x18c, 0xc8, 0x1f4, 0x27, 0x4e,
+	0x4, 0x8b, 0x06, 0x03, 0x0, 0x06, 0x05, 0x0f, 0x15, 0x06, 0x04, 0x04,
+	0x06, 0x04, 0x200, 0x03, 0x0a, 0x40, 0x2710, 0x01, 0x05, 0x05, 0x03,
+	0x0c, 0x28, 0x100, 0x0, 0x04, 0x0,
+	0x420, 0x42, 0x0, 0x0, 0x01, 0x60,
+	0x24717315};
+
+/* ddr die config */
+static	struct rk3036_ddr_config ddr_config;
+
+/*
+ * [7:6]  bank(n:n bit bank)
+ * [5:4]  row(13+n)
+ * [3]    cs(0:1 cs, 1:2 cs)
+ * [2:1]  bank(n:n bit bank)
+ * [0]    col(10+n)
+ */
+char ddr_cfg_2_rbc[] = {
+	((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 1),
+	((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 0),
+	((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 0),
+	((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 0),
+	((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 1),
+	((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 1),
+	((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 1),
+	((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 0),
+	((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 1),
+	((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 0),
+	((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 1),
+	((1 << 6) | (2 << 4) | (0 << 3) | (2 << 1) | 0),
+	((3 << 6) | (2 << 4) | (0 << 3) | (0 << 1) | 1),
+	((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 0),
+};
+
+/* DDRPHY REG */
+enum {
+	/* DDRPHY_REG1 */
+	SOFT_RESET_MASK				= 3,
+	SOFT_RESET_SHIFT			= 2,
+
+	/* DDRPHY_REG2 */
+	MEMORY_SELECT_DDR3			= 0 << 6,
+	DQS_SQU_CAL_NORMAL_MODE			= 0 << 1,
+	DQS_SQU_CAL_START			= 1 << 0,
+	DQS_SQU_NO_CAL				= 0 << 0,
+
+	/* DDRPHY_REG2A */
+	CMD_DLL_BYPASS				= 1 << 4,
+	CMD_DLL_BYPASS_DISABLE			= 0 << 4,
+	HIGH_8BIT_DLL_BYPASS			= 1 << 3,
+	HIGH_8BIT_DLL_BYPASS_DISABLE		= 0 << 3,
+	LOW_8BIT_DLL_BYPASS			= 1 << 2,
+	LOW_8BIT_DLL_BYPASS_DISABLE		= 0 << 2,
+
+	/* DDRPHY_REG19 */
+	CMD_FEEDBACK_ENABLE			= 1 << 5,
+	CMD_SLAVE_DLL_INVERSE_MODE		= 1 << 4,
+	CMD_SLAVE_DLL_NO_INVERSE_MODE		= 0 << 4,
+	CMD_SLAVE_DLL_ENALBE			= 1 << 3,
+	CMD_TX_SLAVE_DLL_DELAY_MASK		= 7,
+	CMD_TX_SLAVE_DLL_DELAY_SHIFT		= 0,
+
+	/* DDRPHY_REG6 */
+	LEFT_CHN_TX_DQ_PHASE_BYPASS_90		= 1 << 4,
+	LEFT_CHN_TX_DQ_PHASE_BYPASS_0		= 0 << 4,
+	LEFT_CHN_TX_DQ_DLL_ENABLE		= 1 << 3,
+	LEFT_CHN_TX_DQ_DLL_DELAY_MASK		= 7,
+	LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT		= 0,
+
+	/* DDRPHY_REG8 */
+	LEFT_CHN_RX_DQS_DELAY_TAP_MASK		= 3,
+	LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT		= 0,
+
+	/* DDRPHY_REG9 */
+	RIGHT_CHN_TX_DQ_PHASE_BYPASS_90		= 1 << 4,
+	RIGHT_CHN_TX_DQ_PHASE_BYPASS_0		= 0 << 4,
+	RIGHT_CHN_TX_DQ_DLL_ENABLE		= 1 << 3,
+	RIGHT_CHN_TX_DQ_DLL_DELAY_MASK		= 7,
+	RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT		= 0,
+
+	/* DDRPHY_REG11 */
+	RIGHT_CHN_RX_DQS_DELAY_TAP_MASK		= 3,
+	RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT	= 0,
+
+	/* DDRPHY_REG62 */
+	CAL_DONE_MASK				= 3,
+	HIGH_8BIT_CAL_DONE			= 1 << 1,
+	LOW_8BIT_CAL_DONE			= 1 << 0,
+};
+
+/* PTCL */
+enum {
+	/* PCTL_DFISTCFG0 */
+	DFI_INIT_START			= 1 << 0,
+	DFI_DATA_BYTE_DISABLE_EN	= 1 << 2,
+
+	/* PCTL_DFISTCFG1 */
+	DFI_DRAM_CLK_SR_EN		= 1 << 0,
+	DFI_DRAM_CLK_DPD_EN		= 1 << 1,
+
+	/* PCTL_DFISTCFG2 */
+	DFI_PARITY_INTR_EN		= 1 << 0,
+	DFI_PARITY_EN			= 1 << 1,
+
+	/* PCTL_DFILPCFG0 */
+	TLP_RESP_TIME_SHIFT		= 16,
+	LP_SR_EN			= 1 << 8,
+	LP_PD_EN			= 1 << 0,
+
+	/* PCTL_DFIODTCFG */
+	RANK0_ODT_WRITE_SEL		= 1 << 3,
+	RANK1_ODT_WRITE_SEL		= 1 << 11,
+
+	/* PCTL_DFIODTCFG1 */
+	ODT_LEN_BL8_W_SHIFT		= 16,
+
+	/* PCTL_MCFG */
+	TFAW_CFG_MASK			= 3,
+	TFAW_CFG_SHIFT			= 18,
+	PD_EXIT_SLOW_MODE		= 0 << 17,
+	PD_ACTIVE_POWER_DOWN		= 1 << 16,
+	PD_IDLE_MASK			= 0xff,
+	PD_IDLE_SHIFT			= 8,
+	MEM_BL4				= 0 << 0,
+	MEM_BL8				= 1 << 0,
+
+	/* PCTL_MCFG1 */
+	HW_EXIT_IDLE_EN_MASK		= 1,
+	HW_EXIT_IDLE_EN_SHIFT		= 31,
+	SR_IDLE_MASK			= 0x1ff,
+	SR_IDLE_SHIFT			= 0,
+
+	/* PCTL_SCFG */
+	HW_LOW_POWER_EN			= 1 << 0,
+
+	/* PCTL_POWCTL */
+	POWER_UP_START			= 1 << 0,
+
+	/* PCTL_POWSTAT */
+	POWER_UP_DONE			= 1 << 0,
+
+	/* PCTL_MCMD */
+	START_CMD			= 1 << 31,
+	BANK_ADDR_MASK			= 7,
+	BANK_ADDR_SHIFT			= 17,
+	CMD_ADDR_MASK			= 0x1fff,
+	CMD_ADDR_SHIFT			= 4,
+	DESELECT_CMD			= 0,
+	PREA_CMD,
+	REF_CMD,
+	MRS_CMD,
+	ZQCS_CMD,
+	ZQCL_CMD,
+	RSTL_CMD,
+	MRR_CMD				= 8,
+
+	/* PCTL_STAT */
+	INIT_MEM			= 0,
+	CONFIG,
+	CONFIG_REQ,
+	ACCESS,
+	ACCESS_REQ,
+	LOW_POWER,
+	LOW_POWER_ENTRY_REQ,
+	LOW_POWER_EXIT_REQ,
+	PCTL_STAT_MASK			= 7,
+
+	/* PCTL_SCTL */
+	INIT_STATE			= 0,
+	CFG_STATE			= 1,
+	GO_STATE			= 2,
+	SLEEP_STATE			= 3,
+	WAKEUP_STATE			= 4,
+};
+
+/* GRF_SOC_CON2 */
+#define	MSCH4_MAINDDR3		1 << 7
+
+#define PHY_RON_DISABLE		0
+#define PHY_RON_309OHM		1
+#define PHY_RON_155OHM		2
+#define PHY_RON_103OHM		3
+#define PHY_RON_63OHM		5
+#define PHY_RON_45OHM		7
+#define PHY_RON_77OHM		8
+#define PHY_RON_62OHM		9
+#define PHY_RON_52OHM		0xa
+#define PHY_RON_44OHM		0xb
+#define PHY_RON_39OHM		0xc
+#define PHY_RON_34OHM		0xd
+#define PHY_RON_31OHM		0xe
+#define PHY_RON_28OHM		0xf
+
+
+#define PHY_RTT_DISABLE		0
+#define PHY_RTT_861OHM		1
+#define PHY_RTT_431OHM		2
+#define PHY_RTT_287OHM		3
+#define PHY_RTT_216OHM		4
+#define PHY_RTT_172OHM		5
+#define PHY_RTT_145OHM		6
+#define PHY_RTT_124OHM		7
+#define PHY_RTT_215OHM		8
+#define PHY_RTT_144OHM		0xa
+#define PHY_RTT_123OHM		0xb
+#define PHY_RTT_108OHM		0xc
+#define PHY_RTT_96OHM		0xd
+#define PHY_RTT_86OHM		0xe
+#define PHY_RTT_78OHM		0xf
+
+#define PHY_DRV_ODT_SET(n)	((n << 4) | n)
+
+#define DDR3_DLL_RESET		(1 << 8)
+
+/* GRF_OS_REG1 */
+enum {
+	/*
+	 * 000: lpddr
+	 * 001: ddr
+	 * 010: ddr2
+	 * 011: ddr3
+	 * 100: lpddr2-s2
+	 * 101: lpddr2-s4
+	 * 110: lpddr3
+	 */
+	DDR_TYPE_MASK		= 7,
+	DDR_TYPE_SHIFT		= 13,
+
+	/* 0: 1 chn, 1: 2 chn */
+	DDR_CHN_CNT_SHIFT	= 12,
+
+	/* 0: 1 rank, 1: 2 rank */
+	DDR_RANK_CNT_MASK	= 1,
+	DDR_RANK_CNT_SHIFT	= 11,
+
+	/*
+	 * 00: 9col
+	 * 01: 10col
+	 * 10: 11col
+	 * 11: 12col
+	 */
+	DDR_COL_MASK		= 3,
+	DDR_COL_SHIFT		= 9,
+
+	/* 0: 8 bank, 1: 4 bank*/
+	DDR_BANK_MASK		= 1,
+	DDR_BANK_SHIFT		= 8,
+
+	/*
+	 * 00: 13 row
+	 * 01: 14 row
+	 * 10: 15 row
+	 * 11: 16 row
+	 */
+	DDR_CS0_ROW_MASK	= 3,
+	DDR_CS0_ROW_SHIFT	= 6,
+	DDR_CS1_ROW_MASK	= 3,
+	DDR_CS1_ROW_SHIFT	= 4,
+
+	/*
+	 * 00: 32 bit
+	 * 01: 16 bit
+	 * 10: 8 bit
+	 * rk3036 only support 16bit
+	 */
+	DDR_BW_MASK		= 3,
+	DDR_BW_SHIFT		= 2,
+	DDR_DIE_BW_MASK		= 3,
+	DDR_DIE_BW_SHIFT	= 0,
+};
+
+static void rkdclk_init(void)
+{
+	struct rk3036_pll *pll = &cru->pll[1];
+
+	/* pll enter slow-mode */
+	rk_clrsetreg(&cru->cru_mode_con,
+		     DPLL_MODE_MASK << DPLL_MODE_SHIFT,
+		     DPLL_MODE_SLOW << DPLL_MODE_SHIFT);
+
+	/* use interger mode */
+	rk_clrreg(&pll->con1, 1 << PLL_DSMPD_SHIFT);
+
+	rk_clrsetreg(&pll->con0,
+		     PLL_POSTDIV1_MASK << PLL_POSTDIV1_SHIFT | PLL_FBDIV_MASK,
+		     (dpll_init_cfg.postdiv1 << PLL_POSTDIV1_SHIFT) |
+			dpll_init_cfg.fbdiv);
+	rk_clrsetreg(&pll->con1, PLL_POSTDIV2_MASK << PLL_POSTDIV2_SHIFT |
+			PLL_REFDIV_MASK << PLL_REFDIV_SHIFT,
+			(dpll_init_cfg.postdiv2 << PLL_POSTDIV2_SHIFT |
+			 dpll_init_cfg.refdiv << PLL_REFDIV_SHIFT));
+
+	/* waiting for pll lock */
+	while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
+		rockchip_udelay(1);
+
+	/* PLL enter normal-mode */
+	rk_clrsetreg(&cru->cru_mode_con,
+		     DPLL_MODE_MASK << DPLL_MODE_SHIFT,
+		     DPLL_MODE_NORM << DPLL_MODE_SHIFT);
+}
+
+static void copy_to_reg(u32 *dest, const u32 *src, u32 n)
+{
+	int i;
+
+	for (i = 0; i < n / sizeof(u32); i++) {
+		writel(*src, dest);
+		src++;
+		dest++;
+	}
+}
+
+void phy_pctrl_reset(void)
+{
+	rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
+		1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
+		1 << DDRPHY_SRST_SHIFT,
+		1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
+		1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT);
+	rockchip_udelay(10);
+
+	rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
+		1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
+		1 << DDRPHY_SRST_SHIFT,
+		1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
+		0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
+	rockchip_udelay(10);
+
+	rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
+		1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
+		1 << DDRPHY_SRST_SHIFT,
+		0 << DDRCTRL_PSRST_SHIFT | 0 << DDRCTRL_SRST_SHIFT |
+		0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
+	rockchip_udelay(10);
+
+	clrsetbits_le32(&ddr_phy->ddrphy_reg1,
+			SOFT_RESET_MASK << SOFT_RESET_SHIFT,
+			0 << SOFT_RESET_SHIFT);
+	rockchip_udelay(10);
+	clrsetbits_le32(&ddr_phy->ddrphy_reg1,
+			SOFT_RESET_MASK << SOFT_RESET_SHIFT,
+			3 << SOFT_RESET_SHIFT);
+
+	rockchip_udelay(1);
+}
+
+void phy_dll_bypass_set(unsigned int freq)
+{
+	if (freq < ddr_timing.freq) {
+		writel(CMD_DLL_BYPASS | HIGH_8BIT_DLL_BYPASS |
+			LOW_8BIT_DLL_BYPASS, &ddr_phy->ddrphy_reg2a);
+
+		writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
+			(0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
+			CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);
+
+		writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_90 |
+			LEFT_CHN_TX_DQ_DLL_ENABLE |
+			(0 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
+			 LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg6);
+
+		writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_90 |
+			RIGHT_CHN_TX_DQ_DLL_ENABLE |
+			(0 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
+			 RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
+			&ddr_phy->ddrphy_reg9);
+	} else {
+		writel(CMD_DLL_BYPASS_DISABLE | HIGH_8BIT_DLL_BYPASS_DISABLE |
+			LOW_8BIT_DLL_BYPASS_DISABLE, &ddr_phy->ddrphy_reg2a);
+
+		writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
+			(0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
+			CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);
+
+		writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_0 |
+			LEFT_CHN_TX_DQ_DLL_ENABLE |
+			(4 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
+			 LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT,
+			&ddr_phy->ddrphy_reg6);
+
+		writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_0 |
+			RIGHT_CHN_TX_DQ_DLL_ENABLE |
+			(4 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
+			 RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
+			&ddr_phy->ddrphy_reg9);
+	}
+
+	/* 45 degree delay */
+	writel((2 & LEFT_CHN_RX_DQS_DELAY_TAP_MASK) <<
+		LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg8);
+	writel((2 & RIGHT_CHN_RX_DQS_DELAY_TAP_MASK) <<
+		RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg11);
+}
+
+static void send_command(u32 rank, u32 cmd, u32 arg)
+{
+	writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd);
+	rockchip_udelay(1);
+	while (readl(&pctl->mcmd) & START_CMD)
+		;
+}
+
+static void memory_init(void)
+{
+	send_command(3, DESELECT_CMD, 0);
+	rockchip_udelay(1);
+	send_command(3, PREA_CMD, 0);
+	send_command(3, MRS_CMD, (0x02 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
+			(ddr_timing.phy_timing.mr[2] & CMD_ADDR_MASK) <<
+			CMD_ADDR_SHIFT);
+
+	send_command(3, MRS_CMD, (0x03 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
+			(ddr_timing.phy_timing.mr[3] & CMD_ADDR_MASK) <<
+			CMD_ADDR_SHIFT);
+
+	send_command(3, MRS_CMD, (0x01 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
+			(ddr_timing.phy_timing.mr[1] & CMD_ADDR_MASK) <<
+			CMD_ADDR_SHIFT);
+
+	send_command(3, MRS_CMD, (0x00 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
+			(ddr_timing.phy_timing.mr[0] & CMD_ADDR_MASK) <<
+			CMD_ADDR_SHIFT | DDR3_DLL_RESET);
+
+	send_command(3, ZQCL_CMD, 0);
+}
+
+static void data_training(void)
+{
+	u32 value;
+
+	/* disable auto refresh */
+	value = readl(&pctl->trefi),
+	writel(0, &pctl->trefi);
+
+	clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
+			DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_CAL_START);
+
+	rockchip_udelay(10);
+	while ((readl(&ddr_phy->ddrphy_reg62) & CAL_DONE_MASK) !=
+		(HIGH_8BIT_CAL_DONE | LOW_8BIT_CAL_DONE)) {
+		;
+	}
+
+	clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
+			DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_NO_CAL);
+	send_command(3, REF_CMD, 0);
+	send_command(3, REF_CMD, 0);
+	send_command(3, REF_CMD, 0);
+
+	writel(value, &pctl->trefi);
+}
+
+static void move_to_config_state(void)
+{
+	unsigned int state;
+
+	while (1) {
+		state = readl(&pctl->stat) & PCTL_STAT_MASK;
+		switch (state) {
+		case LOW_POWER:
+			writel(WAKEUP_STATE, &pctl->sctl);
+			while ((readl(&pctl->stat) & PCTL_STAT_MASK)
+				!= ACCESS)
+				;
+			/* if at low power state,need wakeup first,
+			 * and then enter the config
+			 * so fallthrough.
+			 */
+		case ACCESS:
+			/* fallthrough */
+		case INIT_MEM:
+			writel(CFG_STATE, &pctl->sctl);
+			while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
+				;
+			break;
+
+		case CONFIG:
+			return;
+		default:
+			break;
+		}
+	}
+}
+
+static void move_to_access_state(void)
+{
+	unsigned int state;
+
+	while (1) {
+		state = readl(&pctl->stat) & PCTL_STAT_MASK;
+		switch (state) {
+		case LOW_POWER:
+			writel(WAKEUP_STATE, &pctl->sctl);
+			while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
+				;
+			break;
+		case INIT_MEM:
+			writel(CFG_STATE, &pctl->sctl);
+			while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
+				;
+			/* fallthrough */
+		case CONFIG:
+			writel(GO_STATE, &pctl->sctl);
+			while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
+				;
+			break;
+		case ACCESS:
+			return;
+		default:
+			break;
+		}
+	}
+}
+
+static void pctl_cfg(void)
+{
+	u32 burst_len;
+	u32 reg;
+
+	writel(DFI_INIT_START | DFI_DATA_BYTE_DISABLE_EN, &pctl->dfistcfg0);
+	writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, &pctl->dfistcfg1);
+	writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2);
+	writel(7 << TLP_RESP_TIME_SHIFT | LP_SR_EN | LP_PD_EN,
+	       &pctl->dfilpcfg0);
+
+	writel(1, &pctl->dfitphyupdtype0);
+	writel(0x0d, &pctl->dfitphyrdlat);
+
+	/* cs0 and cs1 write odt enable */
+	writel((RANK0_ODT_WRITE_SEL | RANK1_ODT_WRITE_SEL),
+	       &pctl->dfiodtcfg);
+
+	/* odt write length */
+	writel(7 << ODT_LEN_BL8_W_SHIFT, &pctl->dfiodtcfg1);
+
+	/* phyupd and ctrlupd disabled */
+	writel(0, &pctl->dfiupdcfg);
+
+	if ((ddr_timing.noc_timing.burstlen << 1) == 4)
+		burst_len = MEM_BL4;
+	else
+		burst_len = MEM_BL8;
+
+	copy_to_reg(&pctl->togcnt1u, &ddr_timing.pctl_timing.togcnt1u,
+		    sizeof(struct rk3036_pctl_timing));
+
+	reg = readl(&pctl->tcl);
+	writel(reg - 3, &pctl->dfitrddataen);
+	reg = readl(&pctl->tcwl);
+	writel(reg - 1, &pctl->dfitphywrlat);
+
+	writel(burst_len | (1 & TFAW_CFG_MASK) << TFAW_CFG_SHIFT |
+			PD_EXIT_SLOW_MODE | PD_ACTIVE_POWER_DOWN |
+			(0 & PD_IDLE_MASK) << PD_IDLE_SHIFT,
+			&pctl->mcfg);
+
+	writel(RK_SETBITS(MSCH4_MAINDDR3), &grf->soc_con2);
+	setbits_le32(&pctl->scfg, HW_LOW_POWER_EN);
+}
+
+static void phy_cfg(void)
+{
+	writel(ddr_timing.noc_timing.noc_timing, &axi_bus->ddrtiming);
+	writel(0x3f, &axi_bus->readlatency);
+
+	writel(MEMORY_SELECT_DDR3 | DQS_SQU_CAL_NORMAL_MODE,
+	       &ddr_phy->ddrphy_reg2);
+
+	clrsetbits_le32(&ddr_phy->ddrphy_reg3, 1, ddr_timing.phy_timing.bl);
+	writel(ddr_timing.phy_timing.cl_al, &ddr_phy->ddrphy_reg4a);
+	writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg16);
+	writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg22);
+	writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg25);
+	writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg26);
+	writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg27);
+	writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg28);
+}
+
+void dram_cfg_rbc(void)
+{
+	char noc_config;
+	int i = 0;
+
+	move_to_config_state();
+
+	/* 2bit in BIT1, 2 */
+	if (ddr_config.rank == 2) {
+		noc_config = (ddr_config.cs0_row - 13) << 4 |
+			      ddr_config.bank << 1 |
+			      1 << 3 | (ddr_config.col - 10);
+		if (noc_config == ddr_cfg_2_rbc[9]) {
+			i = 9;
+			goto finish;
+		} else if (noc_config == ddr_cfg_2_rbc[10]) {
+			i = 10;
+			goto finish;
+		}
+	}
+
+	noc_config = (ddr_config.cs0_row - 13) << 4 | ddr_config.bank << 1 |
+			(ddr_config.col - 10);
+
+	for (i = 0; i < sizeof(ddr_cfg_2_rbc); i++) {
+		if (noc_config == ddr_cfg_2_rbc[i])
+			goto finish;
+	}
+
+	/* bank: 1 bit in BIT6,7, 1bit in BIT1, 2 */
+	noc_config = 1 << 6 | (ddr_config.cs0_row - 13) << 4 |
+			2 << 1 | (ddr_config.col - 10);
+	if (noc_config == ddr_cfg_2_rbc[11]) {
+		i = 11;
+		goto finish;
+	}
+
+	/* bank: 2bit in BIT6,7 */
+	noc_config = (ddr_config.bank << 6) | (ddr_config.cs0_row - 13) << 4 |
+			(ddr_config.col - 10);
+
+	if (noc_config == ddr_cfg_2_rbc[0])
+		i = 0;
+	else if (noc_config == ddr_cfg_2_rbc[12])
+		i = 12;
+	else if (noc_config == ddr_cfg_2_rbc[13])
+		i = 13;
+finish:
+	writel(i, &axi_bus->ddrconf);
+	move_to_access_state();
+
+	return;
+}
+
+static void sdram_all_config(void)
+{
+	u32 os_reg = 0;
+
+	os_reg = ddr_config.ddr_type << DDR_TYPE_SHIFT |
+			0 << DDR_CHN_CNT_SHIFT |
+			(ddr_config.rank - 1) << DDR_RANK_CNT_SHIFT |
+			(ddr_config.col - 1) << DDR_COL_SHIFT |
+			(ddr_config.bank == 3 ? 0 : 1) << DDR_BANK_SHIFT |
+			(ddr_config.cs0_row - 13) << DDR_CS0_ROW_SHIFT |
+			(ddr_config.cs1_row - 13) << DDR_CS1_ROW_SHIFT |
+			1 << DDR_BW_SHIFT | ddr_config.bw << DDR_DIE_BW_SHIFT;
+	writel(os_reg, &grf->os_reg[1]);
+}
+
+size_t sdram_size(void)
+{
+	u32 size, os_reg, cs0_row, cs1_row, col, bank, rank;
+
+	os_reg = readl(&grf->os_reg[1]);
+	print_hex(os_reg);
+
+	cs0_row = 13 + ((os_reg >> DDR_CS0_ROW_SHIFT) & DDR_CS0_ROW_MASK);
+	cs1_row = 13 + ((os_reg >> DDR_CS1_ROW_SHIFT) & DDR_CS1_ROW_MASK);
+	col = 9 + ((os_reg >> DDR_COL_SHIFT) & DDR_COL_MASK);
+	bank = 3 - ((os_reg >> DDR_BANK_SHIFT) & DDR_BANK_MASK);
+	rank = 1 + ((os_reg >> DDR_RANK_CNT_SHIFT) & DDR_RANK_CNT_MASK);
+
+	/* row + col + bank + bw(rk3036 only support 16bit, so fix in 1) */
+	size = 1 << (cs0_row + col + bank + 1);
+
+	if (rank > 1)
+		size += size >> (cs0_row - cs1_row);
+
+	return size;
+}
+
+__weak void get_ddr_config(struct rk3036_ddr_config *config)
+{
+}
+
+void sdram_init(void)
+{
+	get_ddr_config(&ddr_config);
+	sdram_all_config();
+	rkdclk_init();
+	phy_pctrl_reset();
+	phy_dll_bypass_set(ddr_timing.freq);
+	pctl_cfg();
+	phy_cfg();
+	writel(POWER_UP_START, &pctl->powctl);
+	while (!(readl(&pctl->powstat) & POWER_UP_DONE))
+		;
+	memory_init();
+	move_to_config_state();
+	data_training();
+	move_to_access_state();
+	dram_cfg_rbc();
+}
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 16/20] rockchip: rk3036: Add core Soc start-up code
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (14 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 17/20] rockchip: Add basic support for evb-rk3036 board Lin Huang
                   ` (3 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

rk3036 only 4K size SRAM for SPL, so only support
timer, uart, sdram driver in SPL stage, when finish
initial sdram, back to bootrom.And in rk3036 sdmmc and
debug uart use same iomux, so if you want to boot from
sdmmc, you must disable debug uart.

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- support SPL
Changes in v3:
- delete DEBUG_UART config
- modify ENV_MEM_LAYOUT_SETTINGS config

 arch/arm/mach-rockchip/Kconfig                  |  10 ++-
 arch/arm/mach-rockchip/Makefile                 |   4 +-
 arch/arm/mach-rockchip/board.c                  |   1 +
 arch/arm/mach-rockchip/rk3036-board-spl.c       |  53 ++++++++++++
 arch/arm/mach-rockchip/rk3036/Kconfig           |  17 ++++
 arch/arm/mach-rockchip/rk3036/Makefile          |   1 +
 arch/arm/mach-rockchip/rk3036/save_boot_param.S |  34 ++++++++
 include/configs/rk3036_common.h                 | 108 ++++++++++++++++++++++++
 8 files changed, 226 insertions(+), 2 deletions(-)
 create mode 100644 arch/arm/mach-rockchip/rk3036-board-spl.c
 create mode 100644 arch/arm/mach-rockchip/rk3036/Kconfig
 create mode 100644 arch/arm/mach-rockchip/rk3036/save_boot_param.S
 create mode 100644 include/configs/rk3036_common.h

diff --git a/arch/arm/mach-rockchip/Kconfig b/arch/arm/mach-rockchip/Kconfig
index da665ef..6b608db 100644
--- a/arch/arm/mach-rockchip/Kconfig
+++ b/arch/arm/mach-rockchip/Kconfig
@@ -9,6 +9,14 @@ config ROCKCHIP_RK3288
 	  and video codec support. Peripherals include Gigabit Ethernet,
 	  USB2 host and OTG, SDIO, I2S, UART,s, SPI, I2C and PWMs.
 
+config ROCKCHIP_RK3036
+	bool "Support Rockchip RK3036"
+	help
+	  The Rockchip RK3036 is a ARM-based SoC with a dual-core Cortex-A7
+	  including NEON and GPU, Mali-400 graphics, several DDR3 options
+	  and video codec support. Peripherals include Gigabit Ethernet,
+	  USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
+
 config SYS_MALLOC_F
 	default y
 
@@ -34,5 +42,5 @@ config ROCKCHIP_SERIAL
 	default y
 
 source "arch/arm/mach-rockchip/rk3288/Kconfig"
-
+source "arch/arm/mach-rockchip/rk3036/Kconfig"
 endif
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index a29675d..b703c3c 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -6,10 +6,12 @@
 
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
 else
-obj-y += board.o
+obj-$(CONFIG_ROCKCHIP_RK3288) += board.o
 endif
 obj-y += rk_timer.o
 obj-y += rk_early_print.o
 obj-$(CONFIG_$(SPL_)ROCKCHIP_COMMON) += common.o
 obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288/
+obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 688bc0f..d7a8312 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier:     GPL-2.0+
  */
 
+#include <asm/io.h>
 #include <common.h>
 #include <dm.h>
 #include <ram.h>
diff --git a/arch/arm/mach-rockchip/rk3036-board-spl.c b/arch/arm/mach-rockchip/rk3036-board-spl.c
new file mode 100644
index 0000000..731ee87
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036-board-spl.c
@@ -0,0 +1,53 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <asm/arch/grf_rk3036.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/arch/timer.h>
+#include <asm/arch/uart.h>
+#include <asm/io.h>
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GRF_BASE	0x20008000
+static struct rk3036_grf * const grf = (void *)GRF_BASE;
+
+#define DEBUG_UART_BASE	0x20068000
+
+extern void back_to_bootrom(void);
+
+void board_init_f(ulong dummy)
+{
+	#ifdef EARLY_DEBUG
+	/*
+	 * NOTE: sd card and debug uart use same iomux in rk3036,
+	 * so if you enable uart,
+	 * you can not boot from sdcard
+	 */
+	rk_clrsetreg(&grf->gpio1c_iomux,
+		     GPIO1C3_MASK << GPIO1C3_SHIFT |
+		     GPIO1C2_MASK << GPIO1C2_SHIFT,
+		     GPIO1C3_UART2_SOUT << GPIO1C3_SHIFT |
+		     GPIO1C2_UART2_SIN << GPIO1C2_SHIFT);
+	rk_uart_init((void *)DEBUG_UART_BASE);
+	#endif
+	rockchip_timer_init();
+	sdram_init();
+
+	/* return to maskrom */
+	back_to_bootrom();
+}
+
+/* Place Holders */
+void board_init_r(gd_t *id, ulong dest_addr)
+{
+	/* Function attribute is no-return */
+	/* This Function never executes */
+	while (1)
+		;
+}
diff --git a/arch/arm/mach-rockchip/rk3036/Kconfig b/arch/arm/mach-rockchip/rk3036/Kconfig
new file mode 100644
index 0000000..0fbc58e
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/Kconfig
@@ -0,0 +1,17 @@
+if ROCKCHIP_RK3036
+
+config TARGET_EVB_RK3036
+	bool "EVB_RK3036"
+
+config SYS_SOC
+	default "rockchip"
+
+config SYS_MALLOC_F_LEN
+	default 0x400
+
+config ROCKCHIP_COMMON
+	bool "Support rk common fuction"
+
+source "board/evb_rk3036/evb_rk3036/Kconfig"
+
+endif
diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
index 6095777..97d299d 100644
--- a/arch/arm/mach-rockchip/rk3036/Makefile
+++ b/arch/arm/mach-rockchip/rk3036/Makefile
@@ -10,3 +10,4 @@ obj-y += syscon_rk3036.o
 endif
 
 obj-y += sdram_rk3036.o
+obj-y += save_boot_param.o
diff --git a/arch/arm/mach-rockchip/rk3036/save_boot_param.S b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
new file mode 100644
index 0000000..996f9af
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3036/save_boot_param.S
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+.globl	SAVE_SP_ADDR
+SAVE_SP_ADDR:
+	.word 0
+
+/*************************************************************************
+ *
+ * void save_boot_params
+ *
+ * Save sp, lr, r1~r12
+ *
+ *************************************************************************/
+ENTRY(save_boot_params)
+	push	{r1-r12, lr}
+	ldr	r0, =SAVE_SP_ADDR
+	str	sp, [r0]
+	b	save_boot_params_ret		@ back to my caller
+ENDPROC(save_boot_params)
+
+
+.globl back_to_bootrom
+ENTRY(back_to_bootrom)
+	ldr	r0, =SAVE_SP_ADDR
+	ldr	sp, [r0]
+	mov	r0, #0
+	pop	{r1-r12, pc}
+ENDPROC(back_to_bootrom)
diff --git a/include/configs/rk3036_common.h b/include/configs/rk3036_common.h
new file mode 100644
index 0000000..97a3e99
--- /dev/null
+++ b/include/configs/rk3036_common.h
@@ -0,0 +1,108 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#ifndef __CONFIG_RK3036_COMMON_H
+#define __CONFIG_RK3036_COMMON_H
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_ENV_IS_NOWHERE
+#define CONFIG_ENV_SIZE			0x2000
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_MALLOC_LEN		(32 << 20)
+#define CONFIG_SYS_CBSIZE		1024
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_THUMB_BUILD
+#define CONFIG_DISPLAY_BOARDINFO
+
+#define CONFIG_SYS_TIMER_RATE		(24 * 1000 * 1000)
+#define CONFIG_SYS_TIMER_BASE		0x200440a0 /* TIMER5 */
+#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMER_BASE + 8)
+
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_MEM32
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_MALLOC_SIMPLE
+#endif
+
+#define CONFIG_SYS_TEXT_BASE		0x60000000
+#define CONFIG_SYS_INIT_SP_ADDR		0x60100000
+#define CONFIG_SYS_LOAD_ADDR		0x60800800
+#define CONFIG_SPL_STACK		0x10081fff
+#define CONFIG_SPL_TEXT_BASE		0x10081004
+
+#define CONFIG_ROCKCHIP_COMMON
+
+/* MMC/SD IP block */
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_SDHCI
+#define CONFIG_ROCKCHIP_3036_DWMMC
+#define CONFIG_BOUNCE_BUFFER
+
+#define CONFIG_DOS_PARTITION
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+
+/* RAW SD card / eMMC locations. */
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	256
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	(128 << 10)
+
+/* FAT sd card locations. */
+#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME		"u-boot.img"
+
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_TIME
+
+#define CONFIG_SYS_SDRAM_BASE		0x60000000
+#define CONFIG_NR_DRAM_BANKS		1
+#define SDRAM_BANK_SIZE			(512UL << 20UL)
+
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI
+#define CONFIG_CMD_SF
+#define CONFIG_CMD_SPI
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SF_DEFAULT_SPEED 20000000
+
+#define CONFIG_CMD_I2C
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+
+#define ENV_MEM_LAYOUT_SETTINGS \
+	"scriptaddr=0x60000000\0" \
+	"pxefile_addr_r=0x60100000\0" \
+	"fdt_addr_r=0x61f00000\0" \
+	"kernel_addr_r=0x62000000\0" \
+	"ramdisk_addr_r=0x64000000\0"
+
+/* First try to boot from SD (index 0), then eMMC (index 1 */
+#define BOOT_TARGET_DEVICES(func) \
+	func(MMC, mmc, 0) \
+	func(MMC, mmc, 1)
+
+#include <config_distro_bootcmd.h>
+
+/* Linux fails to load the fdt if it's loaded above 512M on a Rock 2 board, so
+ * limit the fdt reallocation to that */
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"fdt_high=0x7fffffff\0" \
+	ENV_MEM_LAYOUT_SETTINGS \
+	BOOTENV
+#endif
+
+#endif
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 17/20] rockchip: Add basic support for evb-rk3036 board
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (15 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 16/20] rockchip: rk3036: Add core Soc start-up code Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 18/20] rockchip: Add max init size & chip tag configs Lin Huang
                   ` (2 subsequent siblings)
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

This add some basic files required to allow the board to dispaly
serial message and can run command(mmc info etc)

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
Changes in v1:
- clean copyright announcement
Changes in v2:
- get sdram info from evb_rk3036.c
Changes in v3:
- delete some config

 arch/arm/dts/Makefile                    |  3 +-
 arch/arm/dts/rk3036-sdk.dts              | 46 ++++++++++++++++++++++++++++++
 board/evb_rk3036/evb_rk3036/Kconfig      | 15 ++++++++++
 board/evb_rk3036/evb_rk3036/MAINTAINERS  |  0
 board/evb_rk3036/evb_rk3036/Makefile     |  7 +++++
 board/evb_rk3036/evb_rk3036/evb_rk3036.c | 48 ++++++++++++++++++++++++++++++++
 configs/evb-rk3036_defconfig             | 25 +++++++++++++++++
 include/configs/evb_rk3036.h             | 12 ++++++++
 8 files changed, 155 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm/dts/rk3036-sdk.dts
 create mode 100644 board/evb_rk3036/evb_rk3036/Kconfig
 create mode 100644 board/evb_rk3036/evb_rk3036/MAINTAINERS
 create mode 100644 board/evb_rk3036/evb_rk3036/Makefile
 create mode 100644 board/evb_rk3036/evb_rk3036/evb_rk3036.c
 create mode 100644 configs/evb-rk3036_defconfig
 create mode 100644 include/configs/evb_rk3036.h

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 910648c..cda2a04 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -17,7 +17,8 @@ dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
 	exynos5422-odroidxu3.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-firefly.dtb \
-	rk3288-jerry.dtb
+	rk3288-jerry.dtb \
+	rk3036-sdk.dtb
 dtb-$(CONFIG_TEGRA) += tegra20-harmony.dtb \
 	tegra20-medcom-wide.dtb \
 	tegra20-paz00.dtb \
diff --git a/arch/arm/dts/rk3036-sdk.dts b/arch/arm/dts/rk3036-sdk.dts
new file mode 100644
index 0000000..a83badb
--- /dev/null
+++ b/arch/arm/dts/rk3036-sdk.dts
@@ -0,0 +1,46 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "rk3036.dtsi"
+
+/ {
+	model = "SDK-RK3036";
+	compatible = "sdk,sdk-rk3036", "rockchip,rk3036";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+
+	usb_control {
+		compatible = "rockchip,rk3036-usb-control";
+		host_drv_gpio = <&gpio2 23 GPIO_ACTIVE_LOW>;
+		otg_drv_gpio = <&gpio0 26 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+        hym8563: hym8563 at 51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		clock-output-names = "xin32k";
+	};
+};
+
+&usb_host {
+	status = "okay";
+};
+
+&usb_otg {
+	status = "okay";
+
+	dr_mode = "host";
+};
diff --git a/board/evb_rk3036/evb_rk3036/Kconfig b/board/evb_rk3036/evb_rk3036/Kconfig
new file mode 100644
index 0000000..ae2a9eb
--- /dev/null
+++ b/board/evb_rk3036/evb_rk3036/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_EVB_RK3036
+
+config SYS_BOARD
+	default "evb_rk3036"
+
+config SYS_VENDOR
+	default "evb_rk3036"
+
+config SYS_CONFIG_NAME
+	default "evb_rk3036"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif
diff --git a/board/evb_rk3036/evb_rk3036/MAINTAINERS b/board/evb_rk3036/evb_rk3036/MAINTAINERS
new file mode 100644
index 0000000..e69de29
diff --git a/board/evb_rk3036/evb_rk3036/Makefile b/board/evb_rk3036/evb_rk3036/Makefile
new file mode 100644
index 0000000..0403836
--- /dev/null
+++ b/board/evb_rk3036/evb_rk3036/Makefile
@@ -0,0 +1,7 @@
+#
+# (C) Copyright 2015 Google, Inc
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evb_rk3036.o
diff --git a/board/evb_rk3036/evb_rk3036/evb_rk3036.c b/board/evb_rk3036/evb_rk3036/evb_rk3036.c
new file mode 100644
index 0000000..52d45e5
--- /dev/null
+++ b/board/evb_rk3036/evb_rk3036/evb_rk3036.c
@@ -0,0 +1,48 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/arch/uart.h>
+#include <asm/io.h>
+#include <common.h>
+#include <dm.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void get_ddr_config(struct rk3036_ddr_config *config)
+{
+	/* K4B4G1646Q config */
+	config->ddr_type = 3;
+	config->rank = 2;
+	config->cs0_row = 15;
+	config->cs1_row = 15;
+
+	/* 8bank */
+	config->bank = 3;
+	config->col = 10;
+
+	/* 16bit bw */
+	config->bw = 1;
+}
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = sdram_size();
+
+	return 0;
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+	/* Enable D-cache. I-cache is already enabled in start.S */
+	dcache_enable();
+}
+#endif
diff --git a/configs/evb-rk3036_defconfig b/configs/evb-rk3036_defconfig
new file mode 100644
index 0000000..710cff4
--- /dev/null
+++ b/configs/evb-rk3036_defconfig
@@ -0,0 +1,25 @@
+CONFIG_ARM=y
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_ROCKCHIP_RK3036=y
+CONFIG_TARGET_EVB_RK3036=y
+CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_STACK_R_ADDR=0x80000
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CLK=y
+CONFIG_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_RESET=y
+CONFIG_LED=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_PINCTRL=y
+CONFIG_ROCKCHIP_3036_PINCTRL=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_RAM=y
+CONFIG_DM_MMC=y
+CONFIG_USE_PRIVATE_LIBGCC=y
+CONFIG_CMD_DHRYSTONE=y
+CONFIG_ERRNO_STR=y
diff --git a/include/configs/evb_rk3036.h b/include/configs/evb_rk3036.h
new file mode 100644
index 0000000..aa07889
--- /dev/null
+++ b/include/configs/evb_rk3036.h
@@ -0,0 +1,12 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <configs/rk3036_common.h>
+
+#endif
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 18/20] rockchip: Add max init size & chip tag configs
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (16 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 17/20] rockchip: Add basic support for evb-rk3036 board Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 19/20] rockchip: Add support for rk's second level loader Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image Lin Huang
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

From: Jeffy Chen <jeffy.chen@rock-chips.com>

Our chips may have different sram size limits and chip tag, so
we need to add configs for that.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
 include/configs/rk3288_common.h | 3 +++
 tools/Makefile                  | 6 ++++++
 tools/rkcommon.c                | 2 +-
 tools/rkcommon.h                | 1 -
 tools/rkimage.c                 | 2 +-
 tools/rksd.c                    | 4 ++--
 tools/rkspi.c                   | 4 ++--
 7 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/include/configs/rk3288_common.h b/include/configs/rk3288_common.h
index 5ba084d..3ee0390 100644
--- a/include/configs/rk3288_common.h
+++ b/include/configs/rk3288_common.h
@@ -44,6 +44,9 @@
 #define CONFIG_SPL_STACK		0xff718000
 #define CONFIG_SPL_TEXT_BASE		0xff704004
 
+
+#define CONFIG_ROCKCHIP_MAX_INIT_SIZE  (32 << 10)
+#define CONFIG_ROCKCHIP_CHIP_TAG       "RK32"
 #define CONFIG_ROCKCHIP_COMMON
 #define CONFIG_SPL_ROCKCHIP_COMMON
 
diff --git a/tools/Makefile b/tools/Makefile
index 9082bda..39a852f 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -108,6 +108,12 @@ fit_check_sign-objs   := $(dumpimage-mkimage-objs) fit_check_sign.o
 
 # TODO(sjg@chromium.org): Is this correct on Mac OS?
 
+ifneq ($(CONFIG_ARCH_ROCKCHIP),)
+HOST_EXTRACFLAGS += \
+		-DCONFIG_ROCKCHIP_MAX_INIT_SIZE=$(CONFIG_ROCKCHIP_MAX_INIT_SIZE) \
+		-DCONFIG_ROCKCHIP_CHIP_TAG="\"$(CONFIG_ROCKCHIP_CHIP_TAG)\""
+endif
+
 ifneq ($(CONFIG_MX23)$(CONFIG_MX28),)
 # Add CONFIG_MXS into host CFLAGS, so we can check whether or not register
 # the mxsimage support within tools/mxsimage.c .
diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 4389622..7aa4c7c 100644
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -50,7 +50,7 @@ int rkcommon_set_header(void *buf, uint file_size)
 {
 	struct header0_info *hdr;
 
-	if (file_size > RK_MAX_CODE1_SIZE)
+	if (file_size > CONFIG_ROCKCHIP_MAX_INIT_SIZE)
 		return -ENOSPC;
 
 	memset(buf,  '\0', RK_CODE1_OFFSET * RK_BLK_SIZE);
diff --git a/tools/rkcommon.h b/tools/rkcommon.h
index 57fd726..39b1d52 100644
--- a/tools/rkcommon.h
+++ b/tools/rkcommon.h
@@ -11,7 +11,6 @@
 enum {
 	RK_BLK_SIZE		= 512,
 	RK_CODE1_OFFSET		= 4,
-	RK_MAX_CODE1_SIZE	= 32 << 10,
 };
 
 /**
diff --git a/tools/rkimage.c b/tools/rkimage.c
index 7b292f4..efd91bb 100644
--- a/tools/rkimage.c
+++ b/tools/rkimage.c
@@ -30,7 +30,7 @@ static void rkimage_print_header(const void *buf)
 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
 			       struct image_tool_params *params)
 {
-	memcpy(buf, "RK32", 4);
+	memcpy(buf, CONFIG_ROCKCHIP_CHIP_TAG, 4);
 }
 
 static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)
diff --git a/tools/rksd.c b/tools/rksd.c
index a8dbe98..2dccb78 100644
--- a/tools/rksd.c
+++ b/tools/rksd.c
@@ -50,7 +50,7 @@ static void rksd_set_header(void *buf,  struct stat *sbuf,  int ifd,
 		       size);
 	}
 
-	memcpy(buf + RKSD_SPL_HDR_START, "RK32", 4);
+	memcpy(buf + RKSD_SPL_HDR_START, CONFIG_ROCKCHIP_CHIP_TAG, 4);
 }
 
 static int rksd_extract_subimage(void *buf,  struct image_tool_params *params)
@@ -72,7 +72,7 @@ static int rksd_vrec_header(struct image_tool_params *params,
 {
 	int pad_size;
 
-	pad_size = RKSD_SPL_HDR_START + RK_MAX_CODE1_SIZE;
+	pad_size = RKSD_SPL_HDR_START + CONFIG_ROCKCHIP_MAX_INIT_SIZE;
 	debug("pad_size %x\n", pad_size);
 
 	return pad_size - params->file_size;
diff --git a/tools/rkspi.c b/tools/rkspi.c
index a3c4c73..e16d5c0 100644
--- a/tools/rkspi.c
+++ b/tools/rkspi.c
@@ -53,7 +53,7 @@ static void rkspi_set_header(void *buf, struct stat *sbuf, int ifd,
 		       size);
 	}
 
-	memcpy(buf + RKSPI_SPL_HDR_START, "RK32", 4);
+	memcpy(buf + RKSPI_SPL_HDR_START, CONFIG_ROCKCHIP_CHIP_TAG, 4);
 
 	/*
 	 * Spread the image out so we only use the first 2KB of each 4KB
@@ -89,7 +89,7 @@ static int rkspi_vrec_header(struct image_tool_params *params,
 {
 	int pad_size;
 
-	pad_size = (RK_MAX_CODE1_SIZE + 0x7ff) / 0x800 * 0x800;
+	pad_size = (CONFIG_ROCKCHIP_MAX_INIT_SIZE + 0x7ff) / 0x800 * 0x800;
 	params->orig_file_size = pad_size;
 
 	/* We will double the image size due to the SPI format */
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 19/20] rockchip: Add support for rk's second level loader
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (17 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 18/20] rockchip: Add max init size & chip tag configs Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image Lin Huang
  19 siblings, 0 replies; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

From: Jeffy Chen <jeffy.chen@rock-chips.com>

The Rockchip boot ROM could load & run an initial spl loader,
and continue to load a second level boot-loader(which stored
right after the initial loader) when it returns.
Modify idblock generation code to support it.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---
 tools/rkcommon.c | 24 ++++++++++--------------
 tools/rkcommon.h |  3 ++-
 tools/rksd.c     |  2 +-
 tools/rkspi.c    |  2 +-
 4 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/tools/rkcommon.c b/tools/rkcommon.c
index 7aa4c7c..caccd94 100644
--- a/tools/rkcommon.c
+++ b/tools/rkcommon.c
@@ -25,7 +25,7 @@ enum {
  *
  * @signature:		Signature (must be RKSD_SIGNATURE)
  * @disable_rc4:	0 to use rc4 for boot image,  1 to use plain binary
- * @code1_offset:	Offset in blocks of the SPL code from this header
+ * @init_offset:	Offset in blocks of the SPL code from this header
  *			block. E.g. 4 means 2KB after the start of this header.
  * Other fields are not used by U-Boot
  */
@@ -33,11 +33,10 @@ struct header0_info {
 	uint32_t signature;
 	uint8_t reserved[4];
 	uint32_t disable_rc4;
-	uint16_t code1_offset;
-	uint16_t code2_offset;
-	uint8_t reserved1[490];
-	uint16_t usflashdatasize;
-	uint16_t ucflashbootsize;
+	uint16_t init_offset;
+	uint8_t reserved1[492];
+	uint16_t init_size;
+	uint16_t init_boot_size;
 	uint8_t reserved2[2];
 };
 
@@ -53,18 +52,15 @@ int rkcommon_set_header(void *buf, uint file_size)
 	if (file_size > CONFIG_ROCKCHIP_MAX_INIT_SIZE)
 		return -ENOSPC;
 
-	memset(buf,  '\0', RK_CODE1_OFFSET * RK_BLK_SIZE);
+	memset(buf,  '\0', RK_INIT_OFFSET * RK_BLK_SIZE);
 	hdr = (struct header0_info *)buf;
 	hdr->signature = RK_SIGNATURE;
 	hdr->disable_rc4 = 1;
-	hdr->code1_offset = RK_CODE1_OFFSET;
-	hdr->code2_offset = 8;
+	hdr->init_offset = RK_INIT_OFFSET;
 
-	hdr->usflashdatasize = (file_size + RK_BLK_SIZE - 1) / RK_BLK_SIZE;
-	hdr->usflashdatasize = (hdr->usflashdatasize + 3) & ~3;
-	hdr->ucflashbootsize = hdr->usflashdatasize;
-
-	debug("size=%x, %x\n", params->file_size, hdr->usflashdatasize);
+	hdr->init_size = (file_size + RK_BLK_SIZE - 1) / RK_BLK_SIZE;
+	hdr->init_size = (hdr->init_size + 3) & ~3;
+	hdr->init_boot_size = hdr->init_size + RK_MAX_BOOT_SIZE / RK_BLK_SIZE;
 
 	rc4_encode(buf, RK_BLK_SIZE, rc4_key);
 
diff --git a/tools/rkcommon.h b/tools/rkcommon.h
index 39b1d52..0fc1e96 100644
--- a/tools/rkcommon.h
+++ b/tools/rkcommon.h
@@ -10,7 +10,8 @@
 
 enum {
 	RK_BLK_SIZE		= 512,
-	RK_CODE1_OFFSET		= 4,
+	RK_INIT_OFFSET		= 4,
+	RK_MAX_BOOT_SIZE	= 512 << 10,
 };
 
 /**
diff --git a/tools/rksd.c b/tools/rksd.c
index 2dccb78..2fcb69b 100644
--- a/tools/rksd.c
+++ b/tools/rksd.c
@@ -14,7 +14,7 @@
 #include "rkcommon.h"
 
 enum {
-	RKSD_SPL_HDR_START	= RK_CODE1_OFFSET * RK_BLK_SIZE,
+	RKSD_SPL_HDR_START	= RK_INIT_OFFSET * RK_BLK_SIZE,
 	RKSD_SPL_START		= RKSD_SPL_HDR_START + 4,
 	RKSD_HEADER_LEN		= RKSD_SPL_START,
 };
diff --git a/tools/rkspi.c b/tools/rkspi.c
index e16d5c0..c8323be 100644
--- a/tools/rkspi.c
+++ b/tools/rkspi.c
@@ -14,7 +14,7 @@
 #include "rkcommon.h"
 
 enum {
-	RKSPI_SPL_HDR_START	= RK_CODE1_OFFSET * RK_BLK_SIZE,
+	RKSPI_SPL_HDR_START	= RK_INIT_OFFSET * RK_BLK_SIZE,
 	RKSPI_SPL_START		= RKSPI_SPL_HDR_START + 4,
 	RKSPI_HEADER_LEN	= RKSPI_SPL_START,
 	RKSPI_SECT_LEN		= RK_BLK_SIZE * 4,
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image
  2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
                   ` (18 preceding siblings ...)
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 19/20] rockchip: Add support for rk's second level loader Lin Huang
@ 2015-11-06  9:53 ` Lin Huang
  2015-11-06 12:08   ` Simon Glass
  19 siblings, 1 reply; 29+ messages in thread
From: Lin Huang @ 2015-11-06  9:53 UTC (permalink / raw)
  To: u-boot

show how to packet rk3036 uboot image and boot from SD

Signed-off-by: Lin Huang <hl@rock-chips.com>
---
 doc/README.rockchip | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/README.rockchip b/doc/README.rockchip
index 87ce9d2..893f256 100644
--- a/doc/README.rockchip
+++ b/doc/README.rockchip
@@ -118,6 +118,13 @@ something like:
    Err:   serial at ff690000
    =>
 
+For evb_rk3036 board:
+	./evb-rk3036/tools/mkimage -T rksd  -d evb-rk3036/spl/u-boot-spl.bin out && \
+	cat evb-rk3036/u-boot-dtb.bin >> out && \
+	sudo dd if=out of=/dev/sdc seek=64
+
+Note: rk3036 SDMMC and debug uart use some iomux, so if you boot from SD, the debug must
+	disable
 
 Booting from SPI
 ================
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver Lin Huang
@ 2015-11-06 12:08   ` Simon Glass
  0 siblings, 0 replies; 29+ messages in thread
From: Simon Glass @ 2015-11-06 12:08 UTC (permalink / raw)
  To: u-boot

On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
> some rockchip soc will not include lib/timer.c in SPL stage,
> so implement timer driver for some soc can use us delay function in SPL.
>
> Signed-off-by: Lin Huang <hl@rock-chips.com>
> ---
> Changes in v1: None
> Changes in v2:
> - add udelay function
> Changes in v3:
> - fix some coding style
>
>  arch/arm/include/asm/arch-rockchip/timer.h | 22 ++++++++++++++
>  arch/arm/mach-rockchip/Makefile            |  1 +
>  arch/arm/mach-rockchip/board-spl.c         | 21 ++-----------
>  arch/arm/mach-rockchip/rk_timer.c          | 48 ++++++++++++++++++++++++++++++
>  include/configs/rk3288_common.h            |  3 +-
>  5 files changed, 75 insertions(+), 20 deletions(-)
>  create mode 100644 arch/arm/include/asm/arch-rockchip/timer.h
>  create mode 100644 arch/arm/mach-rockchip/rk_timer.c

Acked-by: Simon Glass <sjg@chromium.org>

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver Lin Huang
@ 2015-11-06 12:08   ` Simon Glass
  2015-11-06 15:47     ` Heiko Stuebner
  2015-11-06 23:58   ` Simon Glass
  1 sibling, 1 reply; 29+ messages in thread
From: Simon Glass @ 2015-11-06 12:08 UTC (permalink / raw)
  To: u-boot

Hi Lin,

On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
> add rk3036 sdram driver so we can set up sdram in SPL
>
> Signed-off-by: Lin Huang <hl@rock-chips.com>
> ---
> Changes in v1: None
> Changes in v2: None
> Changes in v3: fix some code style error
>
>  arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
>  arch/arm/mach-rockchip/rk3036/Makefile            |   2 +
>  arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 ++++++++++++++++++++++
>  3 files changed, 1067 insertions(+)
>  create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
>  create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
>

Does this driver have nothing in common with the rk3288 one? I thought
someone mentioned that they had similar IP.

Regards,
Simon

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image Lin Huang
@ 2015-11-06 12:08   ` Simon Glass
  2015-11-06 16:40     ` 蔡枫(Eddie)
  0 siblings, 1 reply; 29+ messages in thread
From: Simon Glass @ 2015-11-06 12:08 UTC (permalink / raw)
  To: u-boot

Hi Lin,

On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
> show how to packet rk3036 uboot image and boot from SD
>
> Signed-off-by: Lin Huang <hl@rock-chips.com>
> ---
>  doc/README.rockchip | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/doc/README.rockchip b/doc/README.rockchip
> index 87ce9d2..893f256 100644
> --- a/doc/README.rockchip
> +++ b/doc/README.rockchip
> @@ -118,6 +118,13 @@ something like:
>     Err:   serial at ff690000
>     =>
>
> +For evb_rk3036 board:
> +       ./evb-rk3036/tools/mkimage -T rksd  -d evb-rk3036/spl/u-boot-spl.bin out && \
> +       cat evb-rk3036/u-boot-dtb.bin >> out && \
> +       sudo dd if=out of=/dev/sdc seek=64
> +
> +Note: rk3036 SDMMC and debug uart use some iomux, so if you boot from SD, the debug must

do you mean 'use the same iomux'?

> +       disable
>
>  Booting from SPI
>  ================
> --
> 1.9.1
>

Regards,
Simon

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver
  2015-11-06 12:08   ` Simon Glass
@ 2015-11-06 15:47     ` Heiko Stuebner
  0 siblings, 0 replies; 29+ messages in thread
From: Heiko Stuebner @ 2015-11-06 15:47 UTC (permalink / raw)
  To: u-boot

Hi Simon,

Am Freitag, 6. November 2015, 04:08:51 schrieb Simon Glass:
> Hi Lin,
> 
> On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
> > add rk3036 sdram driver so we can set up sdram in SPL
> >
> > Signed-off-by: Lin Huang <hl@rock-chips.com>
> > ---
> > Changes in v1: None
> > Changes in v2: None
> > Changes in v3: fix some code style error
> >
> >  arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
> >  arch/arm/mach-rockchip/rk3036/Makefile            |   2 +
> >  arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 
++++++++++++++++++++++
> >  3 files changed, 1067 insertions(+)
> >  create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
> >  create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
> >
> 
> Does this driver have nothing in common with the rk3288 one? I thought
> someone mentioned that they had similar IP.

That would probably be me ;-) . pctl is the same (judging by PCTL_IPTR a 
Designware uPCTL), the ddr-phy is new.

But the devicetree-description of the ddr-controller you got from ChromeOS 
also doesn't follow dt conventions and the binding is very much implementation 
specific, so will change in the future anyway.

My current idea is to string components together using of-graph [0] on the 
kernel side. But that is still in its very early stages.

So personally I'd go for leaving that as is now and reworking after we have a 
plan of how the real end-result should look, instead of introducing another 
intermediate step :-) ?


Heiko


[0] https://github.com/mmind/linux-rockchip/blob/a65b13713575ae2acdd5d856495a3dac6478d92d/arch/arm/boot/dts/rk3288.dtsi#L534

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image
  2015-11-06 12:08   ` Simon Glass
@ 2015-11-06 16:40     ` 蔡枫(Eddie)
  2015-11-06 23:58       ` Simon Glass
  0 siblings, 1 reply; 29+ messages in thread
From: 蔡枫(Eddie) @ 2015-11-06 16:40 UTC (permalink / raw)
  To: u-boot



Eddie
2015?11?6? ??8:08? Simon Glass <sjg@chromium.org>???
>
> Hi Lin, 
>
> On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote: 
> > show how to packet rk3036 uboot image and boot from SD 
> > 
> > Signed-off-by: Lin Huang <hl@rock-chips.com> 
> > --- 
> >? doc/README.rockchip | 7 +++++++ 
> >? 1 file changed, 7 insertions(+) 
> > 
> > diff --git a/doc/README.rockchip b/doc/README.rockchip 
> > index 87ce9d2..893f256 100644 
> > --- a/doc/README.rockchip 
> > +++ b/doc/README.rockchip 
> > @@ -118,6 +118,13 @@ something like: 
> >???? Err:?? serial at ff690000 
> >???? => 
> > 
> > +For evb_rk3036 board: 
> > +?????? ./evb-rk3036/tools/mkimage -T rksd? -d evb-rk3036/spl/u-boot-spl.bin out && \ 
> > +?????? cat evb-rk3036/u-boot-dtb.bin >> out && \ 
> > +?????? sudo dd if=out of=/dev/sdc seek=64 
> > + 
> > +Note: rk3036 SDMMC and debug uart use some iomux, so if you boot from SD, the debug must 
>
> do you mean 'use the same iomux'? 
Yes. they share the same pin
>
> > +?????? disable 
> > 
> >? Booting from SPI 
> >? ================ 
> > -- 
> > 1.9.1 
> > 
>
> Regards, 
> Simon 
>

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver
  2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver Lin Huang
  2015-11-06 12:08   ` Simon Glass
@ 2015-11-06 23:58   ` Simon Glass
  2015-11-09  3:29     ` hl
  1 sibling, 1 reply; 29+ messages in thread
From: Simon Glass @ 2015-11-06 23:58 UTC (permalink / raw)
  To: u-boot

Hi Lin,

On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
> add rk3036 sdram driver so we can set up sdram in SPL
>
> Signed-off-by: Lin Huang <hl@rock-chips.com>
> ---
> Changes in v1: None
> Changes in v2: None
> Changes in v3: fix some code style error
>
>  arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
>  arch/arm/mach-rockchip/rk3036/Makefile            |   2 +
>  arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 ++++++++++++++++++++++
>  3 files changed, 1067 insertions(+)
>  create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
>  create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
>

Just a few nits.

> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
> new file mode 100644
> index 0000000..76c8b5b
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
> @@ -0,0 +1,336 @@
> +/*
> + * (C) Copyright 2015 Rockchip Electronics Co., Ltd
> + *
> + * SPDX-License-Identifier:     GPL-2.0+
> + */
> +#ifndef _ASM_ARCH_SDRAM_RK3036_H
> +#define _ASM_ARCH_SDRAM_RK3036_H
> +
> +#include <common.h>
> +
> +struct rk3036_ddr_pctl {
> +       u32 scfg;
> +       u32 sctl;
> +       u32 stat;
> +       u32 intrstat;
> +       u32 reserved0[12];
> +       u32 mcmd;
> +       u32 powctl;
> +       u32 powstat;
> +       u32 cmdtstat;
> +       u32 cmdtstaten;
> +       u32 reserved1[3];
> +       u32 mrrcfg0;
> +       u32 mrrstat0;
> +       u32 mrrstat1;
> +       u32 reserved2[4];
> +       u32 mcfg1;
> +       u32 mcfg;
> +       u32 ppcfg;
> +       u32 mstat;
> +       u32 lpddr2zqcfg;
> +       u32 reserved3;
> +       u32 dtupdes;
> +       u32 dtuna;
> +       u32 dtune;
> +       u32 dtuprd0;
> +       u32 dtuprd1;
> +       u32 dtuprd2;
> +       u32 dtuprd3;
> +       u32 dtuawdt;
> +       u32 reserved4[3];
> +       u32 togcnt1u;
> +       u32 tinit;
> +       u32 trsth;
> +       u32 togcnt100n;
> +       u32 trefi;
> +       u32 tmrd;
> +       u32 trfc;
> +       u32 trp;
> +       u32 trtw;
> +       u32 tal;
> +       u32 tcl;
> +       u32 tcwl;
> +       u32 tras;
> +       u32 trc;
> +       u32 trcd;
> +       u32 trrd;
> +       u32 trtp;
> +       u32 twr;
> +       u32 twtr;
> +       u32 texsr;
> +       u32 txp;
> +       u32 txpdll;
> +       u32 tzqcs;
> +       u32 tzqcsi;
> +       u32 tdqs;
> +       u32 tcksre;
> +       u32 tcksrx;
> +       u32 tcke;
> +       u32 tmod;
> +       u32 trstl;
> +       u32 tzqcl;
> +       u32 tmrr;
> +       u32 tckesr;
> +       u32 reserved5[47];
> +       u32 dtuwactl;
> +       u32 dturactl;
> +       u32 dtucfg;
> +       u32 dtuectl;
> +       u32 dtuwd0;
> +       u32 dtuwd1;
> +       u32 dtuwd2;
> +       u32 dtuwd3;
> +       u32 dtuwdm;
> +       u32 dturd0;
> +       u32 dturd1;
> +       u32 dturd2;
> +       u32 dturd3;
> +       u32 dtulfsrwd;
> +       u32 dtulfsrrd;
> +       u32 dtueaf;
> +       u32 dfitctrldelay;
> +       u32 dfiodtcfg;
> +       u32 dfiodtcfg1;
> +       u32 dfiodtrankmap;
> +       u32 dfitphywrdata;
> +       u32 dfitphywrlat;
> +       u32 reserved7[2];
> +       u32 dfitrddataen;
> +       u32 dfitphyrdlat;
> +       u32 reserved8[2];
> +       u32 dfitphyupdtype0;
> +       u32 dfitphyupdtype1;
> +       u32 dfitphyupdtype2;
> +       u32 dfitphyupdtype3;
> +       u32 dfitctrlupdmin;
> +       u32 dfitctrlupdmax;
> +       u32 dfitctrlupddly;
> +       u32 reserved9;
> +       u32 dfiupdcfg;
> +       u32 dfitrefmski;
> +       u32 dfitctrlupdi;
> +       u32 reserved10[4];
> +       u32 dfitrcfg0;
> +       u32 dfitrstat0;
> +       u32 dfitrwrlvlen;
> +       u32 dfitrrdlvlen;
> +       u32 dfitrrdlvlgateen;
> +       u32 dfiststat0;
> +       u32 dfistcfg0;
> +       u32 dfistcfg1;
> +       u32 reserved11;
> +       u32 dfitdramclken;
> +       u32 dfitdramclkdis;
> +       u32 dfistcfg2;
> +       u32 dfistparclr;
> +       u32 dfistparlog;
> +       u32 reserved12[3];
> +       u32 dfilpcfg0;
> +       u32 reserved13[3];
> +       u32 dfitrwrlvlresp0;
> +       u32 dfitrwrlvlresp1;
> +       u32 dfitrwrlvlresp2;
> +       u32 dfitrrdlvlresp0;
> +       u32 dfitrrdlvlresp1;
> +       u32 dfitrrdlvlresp2;
> +       u32 dfitrwrlvldelay0;
> +       u32 dfitrwrlvldelay1;
> +       u32 dfitrwrlvldelay2;
> +       u32 dfitrrdlvldelay0;
> +       u32 dfitrrdlvldelay1;
> +       u32 dfitrrdlvldelay2;
> +       u32 dfitrrdlvlgatedelay0;
> +       u32 dfitrrdlvlgatedelay1;
> +       u32 dfitrrdlvlgatedelay2;
> +       u32 dfitrcmd;
> +       u32 reserved14[46];
> +       u32 ipvr;
> +       u32 iptr;
> +};
> +check_member(rk3036_ddr_pctl, iptr, 0x03fc);
> +
> +struct rk3036_ddr_phy {
> +       u32 ddrphy_reg1;
> +       u32 ddrphy_reg3;
> +       u32 ddrphy_reg2;
> +       u32 reserve[11];
> +       u32 ddrphy_reg4a;
> +       u32 ddrphy_reg4b;
> +       u32 reserve1[5];
> +       u32 ddrphy_reg16;
> +       u32 reserve2;
> +       u32 ddrphy_reg18;
> +       u32 ddrphy_reg19;
> +       u32 reserve3;
> +       u32 ddrphy_reg21;
> +       u32 reserve4;
> +       u32 ddrphy_reg22;
> +       u32 reserve5[3];
> +       u32 ddrphy_reg25;
> +       u32 ddrphy_reg26;
> +       u32 ddrphy_reg27;
> +       u32 ddrphy_reg28;
> +       u32 reserve6[17];
> +       u32 ddrphy_reg6;
> +       u32 ddrphy_reg7;
> +       u32 reserve7;
> +       u32 ddrphy_reg8;
> +       u32 ddrphy_reg0e4;
> +       u32 reserve8[11];
> +       u32 ddrphy_reg9;
> +       u32 ddrphy_reg10;
> +       u32 reserve9;
> +       u32 ddrphy_reg11;
> +       u32 ddrphy_reg124;
> +       u32 reserve10[38];
> +       u32 ddrphy_reg29;
> +       u32 reserve11[40];
> +       u32 ddrphy_reg264;
> +       u32 reserve12[18];
> +       u32 ddrphy_reg2a;
> +       u32 reserve13[4];
> +       u32 ddrphy_reg30;
> +       u32 ddrphy_reg31;
> +       u32 ddrphy_reg32;
> +       u32 ddrphy_reg33;
> +       u32 ddrphy_reg34;
> +       u32 ddrphy_reg35;
> +       u32 ddrphy_reg36;
> +       u32 ddrphy_reg37;
> +       u32 ddrphy_reg38;
> +       u32 ddrphy_reg39;
> +       u32 ddrphy_reg40;
> +       u32 ddrphy_reg41;
> +       u32 ddrphy_reg42;
> +       u32 ddrphy_reg43;
> +       u32 ddrphy_reg44;
> +       u32 ddrphy_reg45;
> +       u32 ddrphy_reg46;
> +       u32 ddrphy_reg47;
> +       u32 ddrphy_reg48;
> +       u32 ddrphy_reg49;
> +       u32 ddrphy_reg50;
> +       u32 ddrphy_reg51;
> +       u32 ddrphy_reg52;
> +       u32 ddrphy_reg53;
> +       u32 reserve14;
> +       u32 ddrphy_reg54;
> +       u32 ddrphy_reg55;
> +       u32 ddrphy_reg56;
> +       u32 ddrphy_reg57;
> +       u32 ddrphy_reg58;
> +       u32 ddrphy_reg59;
> +       u32 ddrphy_reg5a;
> +       u32 ddrphy_reg5b;
> +       u32 ddrphy_reg5c;
> +       u32 ddrphy_reg5d;
> +       u32 ddrphy_reg5e;
> +       u32 reserve15[28];
> +       u32 ddrphy_reg5f;
> +       u32 reserve16[6];
> +       u32 ddrphy_reg60;
> +       u32 ddrphy_reg61;
> +       u32 ddrphy_reg62;
> +};
> +check_member(rk3036_ddr_phy, ddrphy_reg62, 0x03e8);
> +
> +struct rk3036_pctl_timing {
> +       u32 togcnt1u;
> +       u32 tinit;
> +       u32 trsth;
> +       u32 togcnt100n;
> +       u32 trefi;
> +       u32 tmrd;
> +       u32 trfc;
> +       u32 trp;
> +       u32 trtw;
> +       u32 tal;
> +       u32 tcl;
> +       u32 tcwl;
> +       u32 tras;
> +       u32 trc;
> +       u32 trcd;
> +       u32 trrd;
> +       u32 trtp;
> +       u32 twr;
> +       u32 twtr;
> +       u32 texsr;
> +       u32 txp;
> +       u32 txpdll;
> +       u32 tzqcs;
> +       u32 tzqcsi;
> +       u32 tdqs;
> +       u32 tcksre;
> +       u32 tcksrx;
> +       u32 tcke;
> +       u32 tmod;
> +       u32 trstl;
> +       u32 tzqcl;
> +       u32 tmrr;
> +       u32 tckesr;
> +       u32 tdpd;
> +};
> +
> +struct rk3036_phy_timing {
> +       u32 mr[4];
> +       u32 bl;
> +       u32 cl_al;
> +};
> +
> +typedef union {
> +       u32 noc_timing;
> +       struct {
> +               u32 acttoact:6;
> +               u32 rdtomiss:6;
> +               u32 wrtomiss:6;
> +               u32 burstlen:3;
> +               u32 rdtowr:5;
> +               u32 wrtord:5;
> +               u32 bwratio:1;
> +       };
> +} rk3036_noc_timing;
> +
> +struct rk3036_ddr_timing {
> +       u32 freq;
> +       struct rk3036_pctl_timing pctl_timing;
> +       struct rk3036_phy_timing phy_timing;
> +       rk3036_noc_timing noc_timing;
> +};
> +
> +struct rk3036_service_sys {
> +       u32 id_coreid;
> +       u32 id_revisionid;
> +       u32 ddrconf;
> +       u32 ddrtiming;
> +       u32 ddrmode;
> +       u32 readlatency;
> +};
> +
> +struct rk3036_ddr_config {
> +       /*
> +        * 000: lpddr
> +        * 001: ddr
> +        * 010: ddr2
> +        * 011: ddr3
> +        * 100: lpddr2-s2
> +        * 101: lpddr2-s4
> +        * 110: lpddr3
> +        */
> +       u32 ddr_type;
> +       u32 rank;
> +       u32 cs0_row;
> +       u32 cs1_row;
> +
> +       /* 2: 4bank, 3: 8bank */
> +       u32 bank;
> +       u32 col;
> +
> +       /* bw(0: 8bit, 1: 16bit, 2: 32bit) */
> +       u32 bw;
> +};
> +
> +void sdram_init(void);
> +void get_ddr_config(struct rk3036_ddr_config *config);
> +size_t sdram_size(void);

Can you add function comments for these?

> +#endif
> diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
> index 5d14b95..6095777 100644
> --- a/arch/arm/mach-rockchip/rk3036/Makefile
> +++ b/arch/arm/mach-rockchip/rk3036/Makefile
> @@ -8,3 +8,5 @@ ifndef CONFIG_SPL_BUILD
>  obj-y += reset_rk3036.o
>  obj-y += syscon_rk3036.o
>  endif
> +
> +obj-y += sdram_rk3036.o
> diff --git a/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
> new file mode 100644
> index 0000000..0327f18
> --- /dev/null
> +++ b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
> @@ -0,0 +1,729 @@
> +/*
> + * (C) Copyright 2015 Google, Inc
> + *
> + * SPDX-License-Identifier:     GPL-2.0+
> + */
> +#include <asm/arch/cru_rk3036.h>
> +#include <asm/arch/grf_rk3036.h>
> +#include <asm/arch/hardware.h>
> +#include <asm/arch/sdram_rk3036.h>
> +#include <asm/arch/timer.h>
> +#include <asm/arch/uart.h>
> +#include <asm/io.h>
> +#include <asm/types.h>
> +#include <common.h>

common.h should go first
then <asm/...>
then <asm/arch/...>

> +
> +#define CRU_BASE       0x20000000
> +static struct rk3036_cru * const cru = (void *)CRU_BASE;
> +
> +#define GRF_BASE       0x20008000
> +static struct rk3036_grf * const grf = (void *)GRF_BASE;
> +
> +#define        DDR_PHY_BASE    0x2000a000
> +static struct rk3036_ddr_phy * const ddr_phy = (void *)DDR_PHY_BASE;
> +
> +#define        DDR_PCTL_BASE   0x20004000
> +static struct rk3036_ddr_pctl * const pctl = (void *)DDR_PCTL_BASE;
> +
> +#define CPU_AXI_BUS_BASE       0x10128000
> +static struct rk3036_service_sys * const axi_bus = (void *)CPU_AXI_BUS_BASE;

Can you just make these local variables?

> +
> +/* use interge mode, 396M dpll setting
> + * refdiv, fbdiv, postdiv1, postdiv2
> + */
> +static const struct pll_div dpll_init_cfg = {1, 66, 4, 1};
> +
> +/* 396Mhz ddr timing */
> +struct rk3036_ddr_timing ddr_timing = {0x18c,

const?

> +       0x18c, 0xc8, 0x1f4, 0x27, 0x4e,
> +       0x4, 0x8b, 0x06, 0x03, 0x0, 0x06, 0x05, 0x0f, 0x15, 0x06, 0x04, 0x04,
> +       0x06, 0x04, 0x200, 0x03, 0x0a, 0x40, 0x2710, 0x01, 0x05, 0x05, 0x03,
> +       0x0c, 0x28, 0x100, 0x0, 0x04, 0x0,
> +       0x420, 0x42, 0x0, 0x0, 0x01, 0x60,
> +       0x24717315};
> +
> +/* ddr die config */
> +static struct rk3036_ddr_config ddr_config;

Why is this static? Can it just be a local variable in the function?

> +
> +/*
> + * [7:6]  bank(n:n bit bank)
> + * [5:4]  row(13+n)
> + * [3]    cs(0:1 cs, 1:2 cs)
> + * [2:1]  bank(n:n bit bank)
> + * [0]    col(10+n)
> + */
> +char ddr_cfg_2_rbc[] = {
> +       ((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 1),
> +       ((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 0),
> +       ((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 0),
> +       ((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 0),
> +       ((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 1),
> +       ((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 1),
> +       ((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 1),
> +       ((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 0),
> +       ((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 1),
> +       ((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 0),
> +       ((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 1),
> +       ((1 << 6) | (2 << 4) | (0 << 3) | (2 << 1) | 0),
> +       ((3 << 6) | (2 << 4) | (0 << 3) | (0 << 1) | 1),
> +       ((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 0),
> +};
> +
> +/* DDRPHY REG */
> +enum {
> +       /* DDRPHY_REG1 */
> +       SOFT_RESET_MASK                         = 3,
> +       SOFT_RESET_SHIFT                        = 2,
> +
> +       /* DDRPHY_REG2 */
> +       MEMORY_SELECT_DDR3                      = 0 << 6,
> +       DQS_SQU_CAL_NORMAL_MODE                 = 0 << 1,
> +       DQS_SQU_CAL_START                       = 1 << 0,
> +       DQS_SQU_NO_CAL                          = 0 << 0,
> +
> +       /* DDRPHY_REG2A */
> +       CMD_DLL_BYPASS                          = 1 << 4,
> +       CMD_DLL_BYPASS_DISABLE                  = 0 << 4,
> +       HIGH_8BIT_DLL_BYPASS                    = 1 << 3,
> +       HIGH_8BIT_DLL_BYPASS_DISABLE            = 0 << 3,
> +       LOW_8BIT_DLL_BYPASS                     = 1 << 2,
> +       LOW_8BIT_DLL_BYPASS_DISABLE             = 0 << 2,
> +
> +       /* DDRPHY_REG19 */
> +       CMD_FEEDBACK_ENABLE                     = 1 << 5,
> +       CMD_SLAVE_DLL_INVERSE_MODE              = 1 << 4,
> +       CMD_SLAVE_DLL_NO_INVERSE_MODE           = 0 << 4,
> +       CMD_SLAVE_DLL_ENALBE                    = 1 << 3,
> +       CMD_TX_SLAVE_DLL_DELAY_MASK             = 7,
> +       CMD_TX_SLAVE_DLL_DELAY_SHIFT            = 0,
> +
> +       /* DDRPHY_REG6 */
> +       LEFT_CHN_TX_DQ_PHASE_BYPASS_90          = 1 << 4,
> +       LEFT_CHN_TX_DQ_PHASE_BYPASS_0           = 0 << 4,
> +       LEFT_CHN_TX_DQ_DLL_ENABLE               = 1 << 3,
> +       LEFT_CHN_TX_DQ_DLL_DELAY_MASK           = 7,
> +       LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT          = 0,
> +
> +       /* DDRPHY_REG8 */
> +       LEFT_CHN_RX_DQS_DELAY_TAP_MASK          = 3,
> +       LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT         = 0,
> +
> +       /* DDRPHY_REG9 */
> +       RIGHT_CHN_TX_DQ_PHASE_BYPASS_90         = 1 << 4,
> +       RIGHT_CHN_TX_DQ_PHASE_BYPASS_0          = 0 << 4,
> +       RIGHT_CHN_TX_DQ_DLL_ENABLE              = 1 << 3,
> +       RIGHT_CHN_TX_DQ_DLL_DELAY_MASK          = 7,
> +       RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT         = 0,
> +
> +       /* DDRPHY_REG11 */
> +       RIGHT_CHN_RX_DQS_DELAY_TAP_MASK         = 3,
> +       RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT        = 0,
> +
> +       /* DDRPHY_REG62 */
> +       CAL_DONE_MASK                           = 3,
> +       HIGH_8BIT_CAL_DONE                      = 1 << 1,
> +       LOW_8BIT_CAL_DONE                       = 1 << 0,
> +};
> +
> +/* PTCL */
> +enum {
> +       /* PCTL_DFISTCFG0 */
> +       DFI_INIT_START                  = 1 << 0,
> +       DFI_DATA_BYTE_DISABLE_EN        = 1 << 2,
> +
> +       /* PCTL_DFISTCFG1 */
> +       DFI_DRAM_CLK_SR_EN              = 1 << 0,
> +       DFI_DRAM_CLK_DPD_EN             = 1 << 1,
> +
> +       /* PCTL_DFISTCFG2 */
> +       DFI_PARITY_INTR_EN              = 1 << 0,
> +       DFI_PARITY_EN                   = 1 << 1,
> +
> +       /* PCTL_DFILPCFG0 */
> +       TLP_RESP_TIME_SHIFT             = 16,
> +       LP_SR_EN                        = 1 << 8,
> +       LP_PD_EN                        = 1 << 0,
> +
> +       /* PCTL_DFIODTCFG */
> +       RANK0_ODT_WRITE_SEL             = 1 << 3,
> +       RANK1_ODT_WRITE_SEL             = 1 << 11,
> +
> +       /* PCTL_DFIODTCFG1 */
> +       ODT_LEN_BL8_W_SHIFT             = 16,
> +
> +       /* PCTL_MCFG */
> +       TFAW_CFG_MASK                   = 3,
> +       TFAW_CFG_SHIFT                  = 18,
> +       PD_EXIT_SLOW_MODE               = 0 << 17,
> +       PD_ACTIVE_POWER_DOWN            = 1 << 16,
> +       PD_IDLE_MASK                    = 0xff,
> +       PD_IDLE_SHIFT                   = 8,
> +       MEM_BL4                         = 0 << 0,
> +       MEM_BL8                         = 1 << 0,
> +
> +       /* PCTL_MCFG1 */
> +       HW_EXIT_IDLE_EN_MASK            = 1,
> +       HW_EXIT_IDLE_EN_SHIFT           = 31,
> +       SR_IDLE_MASK                    = 0x1ff,
> +       SR_IDLE_SHIFT                   = 0,
> +
> +       /* PCTL_SCFG */
> +       HW_LOW_POWER_EN                 = 1 << 0,
> +
> +       /* PCTL_POWCTL */
> +       POWER_UP_START                  = 1 << 0,
> +
> +       /* PCTL_POWSTAT */
> +       POWER_UP_DONE                   = 1 << 0,
> +
> +       /* PCTL_MCMD */
> +       START_CMD                       = 1 << 31,
> +       BANK_ADDR_MASK                  = 7,
> +       BANK_ADDR_SHIFT                 = 17,
> +       CMD_ADDR_MASK                   = 0x1fff,
> +       CMD_ADDR_SHIFT                  = 4,
> +       DESELECT_CMD                    = 0,
> +       PREA_CMD,
> +       REF_CMD,
> +       MRS_CMD,
> +       ZQCS_CMD,
> +       ZQCL_CMD,
> +       RSTL_CMD,
> +       MRR_CMD                         = 8,
> +
> +       /* PCTL_STAT */
> +       INIT_MEM                        = 0,
> +       CONFIG,
> +       CONFIG_REQ,
> +       ACCESS,
> +       ACCESS_REQ,
> +       LOW_POWER,
> +       LOW_POWER_ENTRY_REQ,
> +       LOW_POWER_EXIT_REQ,
> +       PCTL_STAT_MASK                  = 7,
> +
> +       /* PCTL_SCTL */
> +       INIT_STATE                      = 0,
> +       CFG_STATE                       = 1,
> +       GO_STATE                        = 2,
> +       SLEEP_STATE                     = 3,
> +       WAKEUP_STATE                    = 4,
> +};
> +
> +/* GRF_SOC_CON2 */
> +#define        MSCH4_MAINDDR3          1 << 7

() around that. Also can you remove extra space after #define?

> +
> +#define PHY_RON_DISABLE                0
> +#define PHY_RON_309OHM         1
> +#define PHY_RON_155OHM         2
> +#define PHY_RON_103OHM         3
> +#define PHY_RON_63OHM          5
> +#define PHY_RON_45OHM          7
> +#define PHY_RON_77OHM          8
> +#define PHY_RON_62OHM          9
> +#define PHY_RON_52OHM          0xa
> +#define PHY_RON_44OHM          0xb
> +#define PHY_RON_39OHM          0xc
> +#define PHY_RON_34OHM          0xd
> +#define PHY_RON_31OHM          0xe
> +#define PHY_RON_28OHM          0xf
> +
> +
> +#define PHY_RTT_DISABLE                0
> +#define PHY_RTT_861OHM         1
> +#define PHY_RTT_431OHM         2
> +#define PHY_RTT_287OHM         3
> +#define PHY_RTT_216OHM         4
> +#define PHY_RTT_172OHM         5
> +#define PHY_RTT_145OHM         6
> +#define PHY_RTT_124OHM         7
> +#define PHY_RTT_215OHM         8
> +#define PHY_RTT_144OHM         0xa
> +#define PHY_RTT_123OHM         0xb
> +#define PHY_RTT_108OHM         0xc
> +#define PHY_RTT_96OHM          0xd
> +#define PHY_RTT_86OHM          0xe
> +#define PHY_RTT_78OHM          0xf

How about using enum for these?

> +
> +#define PHY_DRV_ODT_SET(n)     ((n << 4) | n)
> +
> +#define DDR3_DLL_RESET         (1 << 8)
> +
> +/* GRF_OS_REG1 */
> +enum {
> +       /*
> +        * 000: lpddr
> +        * 001: ddr
> +        * 010: ddr2
> +        * 011: ddr3
> +        * 100: lpddr2-s2
> +        * 101: lpddr2-s4
> +        * 110: lpddr3
> +        */
> +       DDR_TYPE_MASK           = 7,
> +       DDR_TYPE_SHIFT          = 13,
> +
> +       /* 0: 1 chn, 1: 2 chn */
> +       DDR_CHN_CNT_SHIFT       = 12,
> +
> +       /* 0: 1 rank, 1: 2 rank */
> +       DDR_RANK_CNT_MASK       = 1,
> +       DDR_RANK_CNT_SHIFT      = 11,
> +
> +       /*
> +        * 00: 9col
> +        * 01: 10col
> +        * 10: 11col
> +        * 11: 12col
> +        */
> +       DDR_COL_MASK            = 3,
> +       DDR_COL_SHIFT           = 9,
> +
> +       /* 0: 8 bank, 1: 4 bank*/
> +       DDR_BANK_MASK           = 1,
> +       DDR_BANK_SHIFT          = 8,
> +
> +       /*
> +        * 00: 13 row
> +        * 01: 14 row
> +        * 10: 15 row
> +        * 11: 16 row
> +        */
> +       DDR_CS0_ROW_MASK        = 3,
> +       DDR_CS0_ROW_SHIFT       = 6,
> +       DDR_CS1_ROW_MASK        = 3,
> +       DDR_CS1_ROW_SHIFT       = 4,
> +
> +       /*
> +        * 00: 32 bit
> +        * 01: 16 bit
> +        * 10: 8 bit
> +        * rk3036 only support 16bit
> +        */
> +       DDR_BW_MASK             = 3,
> +       DDR_BW_SHIFT            = 2,
> +       DDR_DIE_BW_MASK         = 3,
> +       DDR_DIE_BW_SHIFT        = 0,
> +};
> +
> +static void rkdclk_init(void)
> +{
> +       struct rk3036_pll *pll = &cru->pll[1];
> +
> +       /* pll enter slow-mode */
> +       rk_clrsetreg(&cru->cru_mode_con,
> +                    DPLL_MODE_MASK << DPLL_MODE_SHIFT,
> +                    DPLL_MODE_SLOW << DPLL_MODE_SHIFT);
> +
> +       /* use interger mode */
> +       rk_clrreg(&pll->con1, 1 << PLL_DSMPD_SHIFT);
> +
> +       rk_clrsetreg(&pll->con0,
> +                    PLL_POSTDIV1_MASK << PLL_POSTDIV1_SHIFT | PLL_FBDIV_MASK,
> +                    (dpll_init_cfg.postdiv1 << PLL_POSTDIV1_SHIFT) |
> +                       dpll_init_cfg.fbdiv);
> +       rk_clrsetreg(&pll->con1, PLL_POSTDIV2_MASK << PLL_POSTDIV2_SHIFT |
> +                       PLL_REFDIV_MASK << PLL_REFDIV_SHIFT,
> +                       (dpll_init_cfg.postdiv2 << PLL_POSTDIV2_SHIFT |
> +                        dpll_init_cfg.refdiv << PLL_REFDIV_SHIFT));
> +
> +       /* waiting for pll lock */
> +       while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
> +               rockchip_udelay(1);
> +
> +       /* PLL enter normal-mode */
> +       rk_clrsetreg(&cru->cru_mode_con,
> +                    DPLL_MODE_MASK << DPLL_MODE_SHIFT,
> +                    DPLL_MODE_NORM << DPLL_MODE_SHIFT);
> +}
> +
> +static void copy_to_reg(u32 *dest, const u32 *src, u32 n)
> +{
> +       int i;
> +
> +       for (i = 0; i < n / sizeof(u32); i++) {
> +               writel(*src, dest);
> +               src++;
> +               dest++;
> +       }
> +}
> +
> +void phy_pctrl_reset(void)
> +{
> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
> +               1 << DDRPHY_SRST_SHIFT,
> +               1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
> +               1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT);
> +       rockchip_udelay(10);
> +
> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
> +               1 << DDRPHY_SRST_SHIFT,
> +               1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
> +               0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
> +       rockchip_udelay(10);
> +
> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
> +               1 << DDRPHY_SRST_SHIFT,
> +               0 << DDRCTRL_PSRST_SHIFT | 0 << DDRCTRL_SRST_SHIFT |
> +               0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
> +       rockchip_udelay(10);
> +
> +       clrsetbits_le32(&ddr_phy->ddrphy_reg1,
> +                       SOFT_RESET_MASK << SOFT_RESET_SHIFT,
> +                       0 << SOFT_RESET_SHIFT);
> +       rockchip_udelay(10);
> +       clrsetbits_le32(&ddr_phy->ddrphy_reg1,
> +                       SOFT_RESET_MASK << SOFT_RESET_SHIFT,
> +                       3 << SOFT_RESET_SHIFT);
> +
> +       rockchip_udelay(1);
> +}
> +
> +void phy_dll_bypass_set(unsigned int freq)
> +{
> +       if (freq < ddr_timing.freq) {
> +               writel(CMD_DLL_BYPASS | HIGH_8BIT_DLL_BYPASS |
> +                       LOW_8BIT_DLL_BYPASS, &ddr_phy->ddrphy_reg2a);
> +
> +               writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
> +                       (0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
> +                       CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);
> +
> +               writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_90 |
> +                       LEFT_CHN_TX_DQ_DLL_ENABLE |
> +                       (0 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
> +                        LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg6);
> +
> +               writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_90 |
> +                       RIGHT_CHN_TX_DQ_DLL_ENABLE |
> +                       (0 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
> +                        RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
> +                       &ddr_phy->ddrphy_reg9);
> +       } else {
> +               writel(CMD_DLL_BYPASS_DISABLE | HIGH_8BIT_DLL_BYPASS_DISABLE |
> +                       LOW_8BIT_DLL_BYPASS_DISABLE, &ddr_phy->ddrphy_reg2a);
> +
> +               writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
> +                       (0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
> +                       CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);

Is this the same as the ddrphy_reg19 line above?

> +
> +               writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_0 |
> +                       LEFT_CHN_TX_DQ_DLL_ENABLE |
> +                       (4 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
> +                        LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT,
> +                       &ddr_phy->ddrphy_reg6);
> +
> +               writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_0 |
> +                       RIGHT_CHN_TX_DQ_DLL_ENABLE |
> +                       (4 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
> +                        RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
> +                       &ddr_phy->ddrphy_reg9);
> +       }
> +
> +       /* 45 degree delay */
> +       writel((2 & LEFT_CHN_RX_DQS_DELAY_TAP_MASK) <<

2 should be in an enum

> +               LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg8);
> +       writel((2 & RIGHT_CHN_RX_DQS_DELAY_TAP_MASK) <<
> +               RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg11);
> +}
> +
> +static void send_command(u32 rank, u32 cmd, u32 arg)
> +{
> +       writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd);
> +       rockchip_udelay(1);
> +       while (readl(&pctl->mcmd) & START_CMD)
> +               ;
> +}
> +
> +static void memory_init(void)
> +{
> +       send_command(3, DESELECT_CMD, 0);
> +       rockchip_udelay(1);
> +       send_command(3, PREA_CMD, 0);
> +       send_command(3, MRS_CMD, (0x02 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
> +                       (ddr_timing.phy_timing.mr[2] & CMD_ADDR_MASK) <<
> +                       CMD_ADDR_SHIFT);
> +
> +       send_command(3, MRS_CMD, (0x03 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
> +                       (ddr_timing.phy_timing.mr[3] & CMD_ADDR_MASK) <<
> +                       CMD_ADDR_SHIFT);
> +
> +       send_command(3, MRS_CMD, (0x01 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
> +                       (ddr_timing.phy_timing.mr[1] & CMD_ADDR_MASK) <<
> +                       CMD_ADDR_SHIFT);
> +
> +       send_command(3, MRS_CMD, (0x00 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
> +                       (ddr_timing.phy_timing.mr[0] & CMD_ADDR_MASK) <<
> +                       CMD_ADDR_SHIFT | DDR3_DLL_RESET);

The order is strange here -  2, 3, 1, 0. Then you do a RESET.

Is it possible to put this in a for() loop?

> +
> +       send_command(3, ZQCL_CMD, 0);
> +}
> +
> +static void data_training(void)
> +{
> +       u32 value;
> +
> +       /* disable auto refresh */
> +       value = readl(&pctl->trefi),
> +       writel(0, &pctl->trefi);
> +
> +       clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
> +                       DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_CAL_START);
> +
> +       rockchip_udelay(10);
> +       while ((readl(&ddr_phy->ddrphy_reg62) & CAL_DONE_MASK) !=
> +               (HIGH_8BIT_CAL_DONE | LOW_8BIT_CAL_DONE)) {
> +               ;
> +       }
> +
> +       clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
> +                       DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_NO_CAL);
> +       send_command(3, REF_CMD, 0);
> +       send_command(3, REF_CMD, 0);
> +       send_command(3, REF_CMD, 0);
> +
> +       writel(value, &pctl->trefi);
> +}
> +
> +static void move_to_config_state(void)
> +{
> +       unsigned int state;
> +
> +       while (1) {
> +               state = readl(&pctl->stat) & PCTL_STAT_MASK;
> +               switch (state) {
> +               case LOW_POWER:
> +                       writel(WAKEUP_STATE, &pctl->sctl);
> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK)
> +                               != ACCESS)
> +                               ;
> +                       /* if at low power state,need wakeup first,

/*
 * If at ...

Also please try to wrap the comments to the full width (e.g. 75-78 chars).

> +                        * and then enter the config
> +                        * so fallthrough.
> +                        */
> +               case ACCESS:
> +                       /* fallthrough */
> +               case INIT_MEM:
> +                       writel(CFG_STATE, &pctl->sctl);
> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
> +                               ;
> +                       break;
> +

Drop blank line

> +               case CONFIG:
> +                       return;
> +               default:
> +                       break;
> +               }
> +       }
> +}
> +
> +static void move_to_access_state(void)
> +{
> +       unsigned int state;
> +
> +       while (1) {
> +               state = readl(&pctl->stat) & PCTL_STAT_MASK;
> +               switch (state) {
> +               case LOW_POWER:
> +                       writel(WAKEUP_STATE, &pctl->sctl);
> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
> +                               ;
> +                       break;
> +               case INIT_MEM:
> +                       writel(CFG_STATE, &pctl->sctl);
> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
> +                               ;
> +                       /* fallthrough */
> +               case CONFIG:
> +                       writel(GO_STATE, &pctl->sctl);
> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
> +                               ;
> +                       break;
> +               case ACCESS:
> +                       return;
> +               default:
> +                       break;
> +               }
> +       }
> +}
> +
> +static void pctl_cfg(void)
> +{
> +       u32 burst_len;
> +       u32 reg;
> +
> +       writel(DFI_INIT_START | DFI_DATA_BYTE_DISABLE_EN, &pctl->dfistcfg0);
> +       writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, &pctl->dfistcfg1);
> +       writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2);
> +       writel(7 << TLP_RESP_TIME_SHIFT | LP_SR_EN | LP_PD_EN,
> +              &pctl->dfilpcfg0);
> +
> +       writel(1, &pctl->dfitphyupdtype0);
> +       writel(0x0d, &pctl->dfitphyrdlat);
> +
> +       /* cs0 and cs1 write odt enable */
> +       writel((RANK0_ODT_WRITE_SEL | RANK1_ODT_WRITE_SEL),
> +              &pctl->dfiodtcfg);
> +
> +       /* odt write length */
> +       writel(7 << ODT_LEN_BL8_W_SHIFT, &pctl->dfiodtcfg1);
> +
> +       /* phyupd and ctrlupd disabled */
> +       writel(0, &pctl->dfiupdcfg);
> +
> +       if ((ddr_timing.noc_timing.burstlen << 1) == 4)
> +               burst_len = MEM_BL4;
> +       else
> +               burst_len = MEM_BL8;
> +
> +       copy_to_reg(&pctl->togcnt1u, &ddr_timing.pctl_timing.togcnt1u,
> +                   sizeof(struct rk3036_pctl_timing));
> +
> +       reg = readl(&pctl->tcl);
> +       writel(reg - 3, &pctl->dfitrddataen);
> +       reg = readl(&pctl->tcwl);
> +       writel(reg - 1, &pctl->dfitphywrlat);
> +
> +       writel(burst_len | (1 & TFAW_CFG_MASK) << TFAW_CFG_SHIFT |
> +                       PD_EXIT_SLOW_MODE | PD_ACTIVE_POWER_DOWN |
> +                       (0 & PD_IDLE_MASK) << PD_IDLE_SHIFT,
> +                       &pctl->mcfg);
> +
> +       writel(RK_SETBITS(MSCH4_MAINDDR3), &grf->soc_con2);
> +       setbits_le32(&pctl->scfg, HW_LOW_POWER_EN);
> +}
> +
> +static void phy_cfg(void)
> +{
> +       writel(ddr_timing.noc_timing.noc_timing, &axi_bus->ddrtiming);
> +       writel(0x3f, &axi_bus->readlatency);
> +
> +       writel(MEMORY_SELECT_DDR3 | DQS_SQU_CAL_NORMAL_MODE,
> +              &ddr_phy->ddrphy_reg2);
> +
> +       clrsetbits_le32(&ddr_phy->ddrphy_reg3, 1, ddr_timing.phy_timing.bl);
> +       writel(ddr_timing.phy_timing.cl_al, &ddr_phy->ddrphy_reg4a);
> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg16);
> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg22);
> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg25);
> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg26);
> +       writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg27);
> +       writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg28);
> +}
> +
> +void dram_cfg_rbc(void)
> +{
> +       char noc_config;
> +       int i = 0;
> +
> +       move_to_config_state();
> +
> +       /* 2bit in BIT1, 2 */
> +       if (ddr_config.rank == 2) {
> +               noc_config = (ddr_config.cs0_row - 13) << 4 |
> +                             ddr_config.bank << 1 |
> +                             1 << 3 | (ddr_config.col - 10);
> +               if (noc_config == ddr_cfg_2_rbc[9]) {
> +                       i = 9;
> +                       goto finish;
> +               } else if (noc_config == ddr_cfg_2_rbc[10]) {
> +                       i = 10;
> +                       goto finish;
> +               }
> +       }
> +
> +       noc_config = (ddr_config.cs0_row - 13) << 4 | ddr_config.bank << 1 |
> +                       (ddr_config.col - 10);
> +
> +       for (i = 0; i < sizeof(ddr_cfg_2_rbc); i++) {
> +               if (noc_config == ddr_cfg_2_rbc[i])
> +                       goto finish;
> +       }
> +
> +       /* bank: 1 bit in BIT6,7, 1bit in BIT1, 2 */
> +       noc_config = 1 << 6 | (ddr_config.cs0_row - 13) << 4 |
> +                       2 << 1 | (ddr_config.col - 10);
> +       if (noc_config == ddr_cfg_2_rbc[11]) {
> +               i = 11;
> +               goto finish;
> +       }
> +
> +       /* bank: 2bit in BIT6,7 */
> +       noc_config = (ddr_config.bank << 6) | (ddr_config.cs0_row - 13) << 4 |
> +                       (ddr_config.col - 10);
> +
> +       if (noc_config == ddr_cfg_2_rbc[0])
> +               i = 0;
> +       else if (noc_config == ddr_cfg_2_rbc[12])
> +               i = 12;
> +       else if (noc_config == ddr_cfg_2_rbc[13])
> +               i = 13;
> +finish:
> +       writel(i, &axi_bus->ddrconf);
> +       move_to_access_state();
> +
> +       return;
> +}
> +
> +static void sdram_all_config(void)
> +{
> +       u32 os_reg = 0;
> +
> +       os_reg = ddr_config.ddr_type << DDR_TYPE_SHIFT |
> +                       0 << DDR_CHN_CNT_SHIFT |
> +                       (ddr_config.rank - 1) << DDR_RANK_CNT_SHIFT |
> +                       (ddr_config.col - 1) << DDR_COL_SHIFT |
> +                       (ddr_config.bank == 3 ? 0 : 1) << DDR_BANK_SHIFT |
> +                       (ddr_config.cs0_row - 13) << DDR_CS0_ROW_SHIFT |
> +                       (ddr_config.cs1_row - 13) << DDR_CS1_ROW_SHIFT |
> +                       1 << DDR_BW_SHIFT | ddr_config.bw << DDR_DIE_BW_SHIFT;
> +       writel(os_reg, &grf->os_reg[1]);
> +}
> +
> +size_t sdram_size(void)
> +{
> +       u32 size, os_reg, cs0_row, cs1_row, col, bank, rank;
> +
> +       os_reg = readl(&grf->os_reg[1]);
> +       print_hex(os_reg);

Do you want this? What is the purpose?

> +
> +       cs0_row = 13 + ((os_reg >> DDR_CS0_ROW_SHIFT) & DDR_CS0_ROW_MASK);
> +       cs1_row = 13 + ((os_reg >> DDR_CS1_ROW_SHIFT) & DDR_CS1_ROW_MASK);
> +       col = 9 + ((os_reg >> DDR_COL_SHIFT) & DDR_COL_MASK);
> +       bank = 3 - ((os_reg >> DDR_BANK_SHIFT) & DDR_BANK_MASK);
> +       rank = 1 + ((os_reg >> DDR_RANK_CNT_SHIFT) & DDR_RANK_CNT_MASK);
> +
> +       /* row + col + bank + bw(rk3036 only support 16bit, so fix in 1) */
> +       size = 1 << (cs0_row + col + bank + 1);
> +
> +       if (rank > 1)
> +               size += size >> (cs0_row - cs1_row);
> +
> +       return size;
> +}
> +
> +__weak void get_ddr_config(struct rk3036_ddr_config *config)
> +{
> +}
> +
> +void sdram_init(void)
> +{
> +       get_ddr_config(&ddr_config);
> +       sdram_all_config();
> +       rkdclk_init();
> +       phy_pctrl_reset();
> +       phy_dll_bypass_set(ddr_timing.freq);
> +       pctl_cfg();
> +       phy_cfg();
> +       writel(POWER_UP_START, &pctl->powctl);
> +       while (!(readl(&pctl->powstat) & POWER_UP_DONE))
> +               ;
> +       memory_init();
> +       move_to_config_state();
> +       data_training();
> +       move_to_access_state();
> +       dram_cfg_rbc();

This looks good and very clear, thank you.

> +}
> --
> 1.9.1
>

Regards,
Simon

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image
  2015-11-06 16:40     ` 蔡枫(Eddie)
@ 2015-11-06 23:58       ` Simon Glass
  0 siblings, 0 replies; 29+ messages in thread
From: Simon Glass @ 2015-11-06 23:58 UTC (permalink / raw)
  To: u-boot

Hi,

On 6 November 2015 at 08:40, ???Eddie? <eddie.cai@rock-chips.com> wrote:
>
>
> Eddie
> 2015?11?6? ??8:08? Simon Glass <sjg@chromium.org>???
>>
>> Hi Lin,
>>
>> On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
>> > show how to packet rk3036 uboot image and boot from SD
>> >
>> > Signed-off-by: Lin Huang <hl@rock-chips.com>
>> > ---
>> >  doc/README.rockchip | 7 +++++++
>> >  1 file changed, 7 insertions(+)
>> >
>> > diff --git a/doc/README.rockchip b/doc/README.rockchip
>> > index 87ce9d2..893f256 100644
>> > --- a/doc/README.rockchip
>> > +++ b/doc/README.rockchip
>> > @@ -118,6 +118,13 @@ something like:
>> >     Err:   serial at ff690000
>> >     =>
>> >
>> > +For evb_rk3036 board:
>> > +       ./evb-rk3036/tools/mkimage -T rksd  -d evb-rk3036/spl/u-boot-spl.bin out && \
>> > +       cat evb-rk3036/u-boot-dtb.bin >> out && \
>> > +       sudo dd if=out of=/dev/sdc seek=64
>> > +
>> > +Note: rk3036 SDMMC and debug uart use some iomux, so if you boot from SD, the debug must
>>
>> do you mean 'use the same iomux'?
> Yes. they share the same pin

OK, can you please reword this then?

>>
>> > +       disable
>> >
>> >  Booting from SPI
>> >  ================
>> > --
>> > 1.9.1
>> >

Regards,
Simon

^ permalink raw reply	[flat|nested] 29+ messages in thread

* [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver
  2015-11-06 23:58   ` Simon Glass
@ 2015-11-09  3:29     ` hl
  0 siblings, 0 replies; 29+ messages in thread
From: hl @ 2015-11-09  3:29 UTC (permalink / raw)
  To: u-boot


Hi Simon,


On 07/11/15 07:58, Simon Glass wrote:
> Hi Lin,
>
> On 6 November 2015 at 01:53, Lin Huang <hl@rock-chips.com> wrote:
>> add rk3036 sdram driver so we can set up sdram in SPL
>>
>> Signed-off-by: Lin Huang <hl@rock-chips.com>
>> ---
>> Changes in v1: None
>> Changes in v2: None
>> Changes in v3: fix some code style error
>>
>>   arch/arm/include/asm/arch-rockchip/sdram_rk3036.h | 336 ++++++++++
>>   arch/arm/mach-rockchip/rk3036/Makefile            |   2 +
>>   arch/arm/mach-rockchip/rk3036/sdram_rk3036.c      | 729 ++++++++++++++++++++++
>>   3 files changed, 1067 insertions(+)
>>   create mode 100644 arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
>>   create mode 100644 arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
>>
> Just a few nits.
>
>> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
>> new file mode 100644
>> index 0000000..76c8b5b
>> --- /dev/null
>> +++ b/arch/arm/include/asm/arch-rockchip/sdram_rk3036.h
>> @@ -0,0 +1,336 @@
>> +/*
>> + * (C) Copyright 2015 Rockchip Electronics Co., Ltd
>> + *
>> + * SPDX-License-Identifier:     GPL-2.0+
>> + */
>> +#ifndef _ASM_ARCH_SDRAM_RK3036_H
>> +#define _ASM_ARCH_SDRAM_RK3036_H
>> +
>> +#include <common.h>
>> +
>> +struct rk3036_ddr_pctl {
>> +       u32 scfg;
>> +       u32 sctl;
>> +       u32 stat;
>> +       u32 intrstat;
>> +       u32 reserved0[12];
>> +       u32 mcmd;
>> +       u32 powctl;
>> +       u32 powstat;
>> +       u32 cmdtstat;
>> +       u32 cmdtstaten;
>> +       u32 reserved1[3];
>> +       u32 mrrcfg0;
>> +       u32 mrrstat0;
>> +       u32 mrrstat1;
>> +       u32 reserved2[4];
>> +       u32 mcfg1;
>> +       u32 mcfg;
>> +       u32 ppcfg;
>> +       u32 mstat;
>> +       u32 lpddr2zqcfg;
>> +       u32 reserved3;
>> +       u32 dtupdes;
>> +       u32 dtuna;
>> +       u32 dtune;
>> +       u32 dtuprd0;
>> +       u32 dtuprd1;
>> +       u32 dtuprd2;
>> +       u32 dtuprd3;
>> +       u32 dtuawdt;
>> +       u32 reserved4[3];
>> +       u32 togcnt1u;
>> +       u32 tinit;
>> +       u32 trsth;
>> +       u32 togcnt100n;
>> +       u32 trefi;
>> +       u32 tmrd;
>> +       u32 trfc;
>> +       u32 trp;
>> +       u32 trtw;
>> +       u32 tal;
>> +       u32 tcl;
>> +       u32 tcwl;
>> +       u32 tras;
>> +       u32 trc;
>> +       u32 trcd;
>> +       u32 trrd;
>> +       u32 trtp;
>> +       u32 twr;
>> +       u32 twtr;
>> +       u32 texsr;
>> +       u32 txp;
>> +       u32 txpdll;
>> +       u32 tzqcs;
>> +       u32 tzqcsi;
>> +       u32 tdqs;
>> +       u32 tcksre;
>> +       u32 tcksrx;
>> +       u32 tcke;
>> +       u32 tmod;
>> +       u32 trstl;
>> +       u32 tzqcl;
>> +       u32 tmrr;
>> +       u32 tckesr;
>> +       u32 reserved5[47];
>> +       u32 dtuwactl;
>> +       u32 dturactl;
>> +       u32 dtucfg;
>> +       u32 dtuectl;
>> +       u32 dtuwd0;
>> +       u32 dtuwd1;
>> +       u32 dtuwd2;
>> +       u32 dtuwd3;
>> +       u32 dtuwdm;
>> +       u32 dturd0;
>> +       u32 dturd1;
>> +       u32 dturd2;
>> +       u32 dturd3;
>> +       u32 dtulfsrwd;
>> +       u32 dtulfsrrd;
>> +       u32 dtueaf;
>> +       u32 dfitctrldelay;
>> +       u32 dfiodtcfg;
>> +       u32 dfiodtcfg1;
>> +       u32 dfiodtrankmap;
>> +       u32 dfitphywrdata;
>> +       u32 dfitphywrlat;
>> +       u32 reserved7[2];
>> +       u32 dfitrddataen;
>> +       u32 dfitphyrdlat;
>> +       u32 reserved8[2];
>> +       u32 dfitphyupdtype0;
>> +       u32 dfitphyupdtype1;
>> +       u32 dfitphyupdtype2;
>> +       u32 dfitphyupdtype3;
>> +       u32 dfitctrlupdmin;
>> +       u32 dfitctrlupdmax;
>> +       u32 dfitctrlupddly;
>> +       u32 reserved9;
>> +       u32 dfiupdcfg;
>> +       u32 dfitrefmski;
>> +       u32 dfitctrlupdi;
>> +       u32 reserved10[4];
>> +       u32 dfitrcfg0;
>> +       u32 dfitrstat0;
>> +       u32 dfitrwrlvlen;
>> +       u32 dfitrrdlvlen;
>> +       u32 dfitrrdlvlgateen;
>> +       u32 dfiststat0;
>> +       u32 dfistcfg0;
>> +       u32 dfistcfg1;
>> +       u32 reserved11;
>> +       u32 dfitdramclken;
>> +       u32 dfitdramclkdis;
>> +       u32 dfistcfg2;
>> +       u32 dfistparclr;
>> +       u32 dfistparlog;
>> +       u32 reserved12[3];
>> +       u32 dfilpcfg0;
>> +       u32 reserved13[3];
>> +       u32 dfitrwrlvlresp0;
>> +       u32 dfitrwrlvlresp1;
>> +       u32 dfitrwrlvlresp2;
>> +       u32 dfitrrdlvlresp0;
>> +       u32 dfitrrdlvlresp1;
>> +       u32 dfitrrdlvlresp2;
>> +       u32 dfitrwrlvldelay0;
>> +       u32 dfitrwrlvldelay1;
>> +       u32 dfitrwrlvldelay2;
>> +       u32 dfitrrdlvldelay0;
>> +       u32 dfitrrdlvldelay1;
>> +       u32 dfitrrdlvldelay2;
>> +       u32 dfitrrdlvlgatedelay0;
>> +       u32 dfitrrdlvlgatedelay1;
>> +       u32 dfitrrdlvlgatedelay2;
>> +       u32 dfitrcmd;
>> +       u32 reserved14[46];
>> +       u32 ipvr;
>> +       u32 iptr;
>> +};
>> +check_member(rk3036_ddr_pctl, iptr, 0x03fc);
>> +
>> +struct rk3036_ddr_phy {
>> +       u32 ddrphy_reg1;
>> +       u32 ddrphy_reg3;
>> +       u32 ddrphy_reg2;
>> +       u32 reserve[11];
>> +       u32 ddrphy_reg4a;
>> +       u32 ddrphy_reg4b;
>> +       u32 reserve1[5];
>> +       u32 ddrphy_reg16;
>> +       u32 reserve2;
>> +       u32 ddrphy_reg18;
>> +       u32 ddrphy_reg19;
>> +       u32 reserve3;
>> +       u32 ddrphy_reg21;
>> +       u32 reserve4;
>> +       u32 ddrphy_reg22;
>> +       u32 reserve5[3];
>> +       u32 ddrphy_reg25;
>> +       u32 ddrphy_reg26;
>> +       u32 ddrphy_reg27;
>> +       u32 ddrphy_reg28;
>> +       u32 reserve6[17];
>> +       u32 ddrphy_reg6;
>> +       u32 ddrphy_reg7;
>> +       u32 reserve7;
>> +       u32 ddrphy_reg8;
>> +       u32 ddrphy_reg0e4;
>> +       u32 reserve8[11];
>> +       u32 ddrphy_reg9;
>> +       u32 ddrphy_reg10;
>> +       u32 reserve9;
>> +       u32 ddrphy_reg11;
>> +       u32 ddrphy_reg124;
>> +       u32 reserve10[38];
>> +       u32 ddrphy_reg29;
>> +       u32 reserve11[40];
>> +       u32 ddrphy_reg264;
>> +       u32 reserve12[18];
>> +       u32 ddrphy_reg2a;
>> +       u32 reserve13[4];
>> +       u32 ddrphy_reg30;
>> +       u32 ddrphy_reg31;
>> +       u32 ddrphy_reg32;
>> +       u32 ddrphy_reg33;
>> +       u32 ddrphy_reg34;
>> +       u32 ddrphy_reg35;
>> +       u32 ddrphy_reg36;
>> +       u32 ddrphy_reg37;
>> +       u32 ddrphy_reg38;
>> +       u32 ddrphy_reg39;
>> +       u32 ddrphy_reg40;
>> +       u32 ddrphy_reg41;
>> +       u32 ddrphy_reg42;
>> +       u32 ddrphy_reg43;
>> +       u32 ddrphy_reg44;
>> +       u32 ddrphy_reg45;
>> +       u32 ddrphy_reg46;
>> +       u32 ddrphy_reg47;
>> +       u32 ddrphy_reg48;
>> +       u32 ddrphy_reg49;
>> +       u32 ddrphy_reg50;
>> +       u32 ddrphy_reg51;
>> +       u32 ddrphy_reg52;
>> +       u32 ddrphy_reg53;
>> +       u32 reserve14;
>> +       u32 ddrphy_reg54;
>> +       u32 ddrphy_reg55;
>> +       u32 ddrphy_reg56;
>> +       u32 ddrphy_reg57;
>> +       u32 ddrphy_reg58;
>> +       u32 ddrphy_reg59;
>> +       u32 ddrphy_reg5a;
>> +       u32 ddrphy_reg5b;
>> +       u32 ddrphy_reg5c;
>> +       u32 ddrphy_reg5d;
>> +       u32 ddrphy_reg5e;
>> +       u32 reserve15[28];
>> +       u32 ddrphy_reg5f;
>> +       u32 reserve16[6];
>> +       u32 ddrphy_reg60;
>> +       u32 ddrphy_reg61;
>> +       u32 ddrphy_reg62;
>> +};
>> +check_member(rk3036_ddr_phy, ddrphy_reg62, 0x03e8);
>> +
>> +struct rk3036_pctl_timing {
>> +       u32 togcnt1u;
>> +       u32 tinit;
>> +       u32 trsth;
>> +       u32 togcnt100n;
>> +       u32 trefi;
>> +       u32 tmrd;
>> +       u32 trfc;
>> +       u32 trp;
>> +       u32 trtw;
>> +       u32 tal;
>> +       u32 tcl;
>> +       u32 tcwl;
>> +       u32 tras;
>> +       u32 trc;
>> +       u32 trcd;
>> +       u32 trrd;
>> +       u32 trtp;
>> +       u32 twr;
>> +       u32 twtr;
>> +       u32 texsr;
>> +       u32 txp;
>> +       u32 txpdll;
>> +       u32 tzqcs;
>> +       u32 tzqcsi;
>> +       u32 tdqs;
>> +       u32 tcksre;
>> +       u32 tcksrx;
>> +       u32 tcke;
>> +       u32 tmod;
>> +       u32 trstl;
>> +       u32 tzqcl;
>> +       u32 tmrr;
>> +       u32 tckesr;
>> +       u32 tdpd;
>> +};
>> +
>> +struct rk3036_phy_timing {
>> +       u32 mr[4];
>> +       u32 bl;
>> +       u32 cl_al;
>> +};
>> +
>> +typedef union {
>> +       u32 noc_timing;
>> +       struct {
>> +               u32 acttoact:6;
>> +               u32 rdtomiss:6;
>> +               u32 wrtomiss:6;
>> +               u32 burstlen:3;
>> +               u32 rdtowr:5;
>> +               u32 wrtord:5;
>> +               u32 bwratio:1;
>> +       };
>> +} rk3036_noc_timing;
>> +
>> +struct rk3036_ddr_timing {
>> +       u32 freq;
>> +       struct rk3036_pctl_timing pctl_timing;
>> +       struct rk3036_phy_timing phy_timing;
>> +       rk3036_noc_timing noc_timing;
>> +};
>> +
>> +struct rk3036_service_sys {
>> +       u32 id_coreid;
>> +       u32 id_revisionid;
>> +       u32 ddrconf;
>> +       u32 ddrtiming;
>> +       u32 ddrmode;
>> +       u32 readlatency;
>> +};
>> +
>> +struct rk3036_ddr_config {
>> +       /*
>> +        * 000: lpddr
>> +        * 001: ddr
>> +        * 010: ddr2
>> +        * 011: ddr3
>> +        * 100: lpddr2-s2
>> +        * 101: lpddr2-s4
>> +        * 110: lpddr3
>> +        */
>> +       u32 ddr_type;
>> +       u32 rank;
>> +       u32 cs0_row;
>> +       u32 cs1_row;
>> +
>> +       /* 2: 4bank, 3: 8bank */
>> +       u32 bank;
>> +       u32 col;
>> +
>> +       /* bw(0: 8bit, 1: 16bit, 2: 32bit) */
>> +       u32 bw;
>> +};
>> +
>> +void sdram_init(void);
>> +void get_ddr_config(struct rk3036_ddr_config *config);
>> +size_t sdram_size(void);
> Can you add function comments for these?
     Ok, will be done in next version
>
>> +#endif
>> diff --git a/arch/arm/mach-rockchip/rk3036/Makefile b/arch/arm/mach-rockchip/rk3036/Makefile
>> index 5d14b95..6095777 100644
>> --- a/arch/arm/mach-rockchip/rk3036/Makefile
>> +++ b/arch/arm/mach-rockchip/rk3036/Makefile
>> @@ -8,3 +8,5 @@ ifndef CONFIG_SPL_BUILD
>>   obj-y += reset_rk3036.o
>>   obj-y += syscon_rk3036.o
>>   endif
>> +
>> +obj-y += sdram_rk3036.o
>> diff --git a/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
>> new file mode 100644
>> index 0000000..0327f18
>> --- /dev/null
>> +++ b/arch/arm/mach-rockchip/rk3036/sdram_rk3036.c
>> @@ -0,0 +1,729 @@
>> +/*
>> + * (C) Copyright 2015 Google, Inc
>> + *
>> + * SPDX-License-Identifier:     GPL-2.0+
>> + */
>> +#include <asm/arch/cru_rk3036.h>
>> +#include <asm/arch/grf_rk3036.h>
>> +#include <asm/arch/hardware.h>
>> +#include <asm/arch/sdram_rk3036.h>
>> +#include <asm/arch/timer.h>
>> +#include <asm/arch/uart.h>
>> +#include <asm/io.h>
>> +#include <asm/types.h>
>> +#include <common.h>
> common.h should go first
> then <asm/...>
> then <asm/arch/...>
     Got it, thank you
>
>> +
>> +#define CRU_BASE       0x20000000
>> +static struct rk3036_cru * const cru = (void *)CRU_BASE;
>> +
>> +#define GRF_BASE       0x20008000
>> +static struct rk3036_grf * const grf = (void *)GRF_BASE;
>> +
>> +#define        DDR_PHY_BASE    0x2000a000
>> +static struct rk3036_ddr_phy * const ddr_phy = (void *)DDR_PHY_BASE;
>> +
>> +#define        DDR_PCTL_BASE   0x20004000
>> +static struct rk3036_ddr_pctl * const pctl = (void *)DDR_PCTL_BASE;
>> +
>> +#define CPU_AXI_BUS_BASE       0x10128000
>> +static struct rk3036_service_sys * const axi_bus = (void *)CPU_AXI_BUS_BASE;
> Can you just make these local variables?
     Okay, will be done next version.
>
>> +
>> +/* use interge mode, 396M dpll setting
>> + * refdiv, fbdiv, postdiv1, postdiv2
>> + */
>> +static const struct pll_div dpll_init_cfg = {1, 66, 4, 1};
>> +
>> +/* 396Mhz ddr timing */
>> +struct rk3036_ddr_timing ddr_timing = {0x18c,
> const?
>
>> +       0x18c, 0xc8, 0x1f4, 0x27, 0x4e,
>> +       0x4, 0x8b, 0x06, 0x03, 0x0, 0x06, 0x05, 0x0f, 0x15, 0x06, 0x04, 0x04,
>> +       0x06, 0x04, 0x200, 0x03, 0x0a, 0x40, 0x2710, 0x01, 0x05, 0x05, 0x03,
>> +       0x0c, 0x28, 0x100, 0x0, 0x04, 0x0,
>> +       0x420, 0x42, 0x0, 0x0, 0x01, 0x60,
>> +       0x24717315};
>> +
>> +/* ddr die config */
>> +static struct rk3036_ddr_config ddr_config;
> Why is this static? Can it just be a local variable in the function?
>
>> +
>> +/*
>> + * [7:6]  bank(n:n bit bank)
>> + * [5:4]  row(13+n)
>> + * [3]    cs(0:1 cs, 1:2 cs)
>> + * [2:1]  bank(n:n bit bank)
>> + * [0]    col(10+n)
>> + */
>> +char ddr_cfg_2_rbc[] = {
>> +       ((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 1),
>> +       ((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 0),
>> +       ((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 0),
>> +       ((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 0),
>> +       ((0 << 6) | (1 << 4) | (0 << 3) | (3 << 1) | 1),
>> +       ((0 << 6) | (2 << 4) | (0 << 3) | (3 << 1) | 1),
>> +       ((0 << 6) | (3 << 4) | (0 << 3) | (3 << 1) | 1),
>> +       ((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 0),
>> +       ((0 << 6) | (0 << 4) | (0 << 3) | (3 << 1) | 1),
>> +       ((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 0),
>> +       ((0 << 6) | (3 << 4) | (1 << 3) | (3 << 1) | 1),
>> +       ((1 << 6) | (2 << 4) | (0 << 3) | (2 << 1) | 0),
>> +       ((3 << 6) | (2 << 4) | (0 << 3) | (0 << 1) | 1),
>> +       ((3 << 6) | (3 << 4) | (0 << 3) | (0 << 1) | 0),
>> +};
>> +
>> +/* DDRPHY REG */
>> +enum {
>> +       /* DDRPHY_REG1 */
>> +       SOFT_RESET_MASK                         = 3,
>> +       SOFT_RESET_SHIFT                        = 2,
>> +
>> +       /* DDRPHY_REG2 */
>> +       MEMORY_SELECT_DDR3                      = 0 << 6,
>> +       DQS_SQU_CAL_NORMAL_MODE                 = 0 << 1,
>> +       DQS_SQU_CAL_START                       = 1 << 0,
>> +       DQS_SQU_NO_CAL                          = 0 << 0,
>> +
>> +       /* DDRPHY_REG2A */
>> +       CMD_DLL_BYPASS                          = 1 << 4,
>> +       CMD_DLL_BYPASS_DISABLE                  = 0 << 4,
>> +       HIGH_8BIT_DLL_BYPASS                    = 1 << 3,
>> +       HIGH_8BIT_DLL_BYPASS_DISABLE            = 0 << 3,
>> +       LOW_8BIT_DLL_BYPASS                     = 1 << 2,
>> +       LOW_8BIT_DLL_BYPASS_DISABLE             = 0 << 2,
>> +
>> +       /* DDRPHY_REG19 */
>> +       CMD_FEEDBACK_ENABLE                     = 1 << 5,
>> +       CMD_SLAVE_DLL_INVERSE_MODE              = 1 << 4,
>> +       CMD_SLAVE_DLL_NO_INVERSE_MODE           = 0 << 4,
>> +       CMD_SLAVE_DLL_ENALBE                    = 1 << 3,
>> +       CMD_TX_SLAVE_DLL_DELAY_MASK             = 7,
>> +       CMD_TX_SLAVE_DLL_DELAY_SHIFT            = 0,
>> +
>> +       /* DDRPHY_REG6 */
>> +       LEFT_CHN_TX_DQ_PHASE_BYPASS_90          = 1 << 4,
>> +       LEFT_CHN_TX_DQ_PHASE_BYPASS_0           = 0 << 4,
>> +       LEFT_CHN_TX_DQ_DLL_ENABLE               = 1 << 3,
>> +       LEFT_CHN_TX_DQ_DLL_DELAY_MASK           = 7,
>> +       LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT          = 0,
>> +
>> +       /* DDRPHY_REG8 */
>> +       LEFT_CHN_RX_DQS_DELAY_TAP_MASK          = 3,
>> +       LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT         = 0,
>> +
>> +       /* DDRPHY_REG9 */
>> +       RIGHT_CHN_TX_DQ_PHASE_BYPASS_90         = 1 << 4,
>> +       RIGHT_CHN_TX_DQ_PHASE_BYPASS_0          = 0 << 4,
>> +       RIGHT_CHN_TX_DQ_DLL_ENABLE              = 1 << 3,
>> +       RIGHT_CHN_TX_DQ_DLL_DELAY_MASK          = 7,
>> +       RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT         = 0,
>> +
>> +       /* DDRPHY_REG11 */
>> +       RIGHT_CHN_RX_DQS_DELAY_TAP_MASK         = 3,
>> +       RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT        = 0,
>> +
>> +       /* DDRPHY_REG62 */
>> +       CAL_DONE_MASK                           = 3,
>> +       HIGH_8BIT_CAL_DONE                      = 1 << 1,
>> +       LOW_8BIT_CAL_DONE                       = 1 << 0,
>> +};
>> +
>> +/* PTCL */
>> +enum {
>> +       /* PCTL_DFISTCFG0 */
>> +       DFI_INIT_START                  = 1 << 0,
>> +       DFI_DATA_BYTE_DISABLE_EN        = 1 << 2,
>> +
>> +       /* PCTL_DFISTCFG1 */
>> +       DFI_DRAM_CLK_SR_EN              = 1 << 0,
>> +       DFI_DRAM_CLK_DPD_EN             = 1 << 1,
>> +
>> +       /* PCTL_DFISTCFG2 */
>> +       DFI_PARITY_INTR_EN              = 1 << 0,
>> +       DFI_PARITY_EN                   = 1 << 1,
>> +
>> +       /* PCTL_DFILPCFG0 */
>> +       TLP_RESP_TIME_SHIFT             = 16,
>> +       LP_SR_EN                        = 1 << 8,
>> +       LP_PD_EN                        = 1 << 0,
>> +
>> +       /* PCTL_DFIODTCFG */
>> +       RANK0_ODT_WRITE_SEL             = 1 << 3,
>> +       RANK1_ODT_WRITE_SEL             = 1 << 11,
>> +
>> +       /* PCTL_DFIODTCFG1 */
>> +       ODT_LEN_BL8_W_SHIFT             = 16,
>> +
>> +       /* PCTL_MCFG */
>> +       TFAW_CFG_MASK                   = 3,
>> +       TFAW_CFG_SHIFT                  = 18,
>> +       PD_EXIT_SLOW_MODE               = 0 << 17,
>> +       PD_ACTIVE_POWER_DOWN            = 1 << 16,
>> +       PD_IDLE_MASK                    = 0xff,
>> +       PD_IDLE_SHIFT                   = 8,
>> +       MEM_BL4                         = 0 << 0,
>> +       MEM_BL8                         = 1 << 0,
>> +
>> +       /* PCTL_MCFG1 */
>> +       HW_EXIT_IDLE_EN_MASK            = 1,
>> +       HW_EXIT_IDLE_EN_SHIFT           = 31,
>> +       SR_IDLE_MASK                    = 0x1ff,
>> +       SR_IDLE_SHIFT                   = 0,
>> +
>> +       /* PCTL_SCFG */
>> +       HW_LOW_POWER_EN                 = 1 << 0,
>> +
>> +       /* PCTL_POWCTL */
>> +       POWER_UP_START                  = 1 << 0,
>> +
>> +       /* PCTL_POWSTAT */
>> +       POWER_UP_DONE                   = 1 << 0,
>> +
>> +       /* PCTL_MCMD */
>> +       START_CMD                       = 1 << 31,
>> +       BANK_ADDR_MASK                  = 7,
>> +       BANK_ADDR_SHIFT                 = 17,
>> +       CMD_ADDR_MASK                   = 0x1fff,
>> +       CMD_ADDR_SHIFT                  = 4,
>> +       DESELECT_CMD                    = 0,
>> +       PREA_CMD,
>> +       REF_CMD,
>> +       MRS_CMD,
>> +       ZQCS_CMD,
>> +       ZQCL_CMD,
>> +       RSTL_CMD,
>> +       MRR_CMD                         = 8,
>> +
>> +       /* PCTL_STAT */
>> +       INIT_MEM                        = 0,
>> +       CONFIG,
>> +       CONFIG_REQ,
>> +       ACCESS,
>> +       ACCESS_REQ,
>> +       LOW_POWER,
>> +       LOW_POWER_ENTRY_REQ,
>> +       LOW_POWER_EXIT_REQ,
>> +       PCTL_STAT_MASK                  = 7,
>> +
>> +       /* PCTL_SCTL */
>> +       INIT_STATE                      = 0,
>> +       CFG_STATE                       = 1,
>> +       GO_STATE                        = 2,
>> +       SLEEP_STATE                     = 3,
>> +       WAKEUP_STATE                    = 4,
>> +};
>> +
>> +/* GRF_SOC_CON2 */
>> +#define        MSCH4_MAINDDR3          1 << 7
> () around that. Also can you remove extra space after #define?
     Got it.
>
>> +
>> +#define PHY_RON_DISABLE                0
>> +#define PHY_RON_309OHM         1
>> +#define PHY_RON_155OHM         2
>> +#define PHY_RON_103OHM         3
>> +#define PHY_RON_63OHM          5
>> +#define PHY_RON_45OHM          7
>> +#define PHY_RON_77OHM          8
>> +#define PHY_RON_62OHM          9
>> +#define PHY_RON_52OHM          0xa
>> +#define PHY_RON_44OHM          0xb
>> +#define PHY_RON_39OHM          0xc
>> +#define PHY_RON_34OHM          0xd
>> +#define PHY_RON_31OHM          0xe
>> +#define PHY_RON_28OHM          0xf
>> +
>> +
>> +#define PHY_RTT_DISABLE                0
>> +#define PHY_RTT_861OHM         1
>> +#define PHY_RTT_431OHM         2
>> +#define PHY_RTT_287OHM         3
>> +#define PHY_RTT_216OHM         4
>> +#define PHY_RTT_172OHM         5
>> +#define PHY_RTT_145OHM         6
>> +#define PHY_RTT_124OHM         7
>> +#define PHY_RTT_215OHM         8
>> +#define PHY_RTT_144OHM         0xa
>> +#define PHY_RTT_123OHM         0xb
>> +#define PHY_RTT_108OHM         0xc
>> +#define PHY_RTT_96OHM          0xd
>> +#define PHY_RTT_86OHM          0xe
>> +#define PHY_RTT_78OHM          0xf
> How about using enum for these?
     Okay, will be done next version
>
>> +
>> +#define PHY_DRV_ODT_SET(n)     ((n << 4) | n)
>> +
>> +#define DDR3_DLL_RESET         (1 << 8)
>> +
>> +/* GRF_OS_REG1 */
>> +enum {
>> +       /*
>> +        * 000: lpddr
>> +        * 001: ddr
>> +        * 010: ddr2
>> +        * 011: ddr3
>> +        * 100: lpddr2-s2
>> +        * 101: lpddr2-s4
>> +        * 110: lpddr3
>> +        */
>> +       DDR_TYPE_MASK           = 7,
>> +       DDR_TYPE_SHIFT          = 13,
>> +
>> +       /* 0: 1 chn, 1: 2 chn */
>> +       DDR_CHN_CNT_SHIFT       = 12,
>> +
>> +       /* 0: 1 rank, 1: 2 rank */
>> +       DDR_RANK_CNT_MASK       = 1,
>> +       DDR_RANK_CNT_SHIFT      = 11,
>> +
>> +       /*
>> +        * 00: 9col
>> +        * 01: 10col
>> +        * 10: 11col
>> +        * 11: 12col
>> +        */
>> +       DDR_COL_MASK            = 3,
>> +       DDR_COL_SHIFT           = 9,
>> +
>> +       /* 0: 8 bank, 1: 4 bank*/
>> +       DDR_BANK_MASK           = 1,
>> +       DDR_BANK_SHIFT          = 8,
>> +
>> +       /*
>> +        * 00: 13 row
>> +        * 01: 14 row
>> +        * 10: 15 row
>> +        * 11: 16 row
>> +        */
>> +       DDR_CS0_ROW_MASK        = 3,
>> +       DDR_CS0_ROW_SHIFT       = 6,
>> +       DDR_CS1_ROW_MASK        = 3,
>> +       DDR_CS1_ROW_SHIFT       = 4,
>> +
>> +       /*
>> +        * 00: 32 bit
>> +        * 01: 16 bit
>> +        * 10: 8 bit
>> +        * rk3036 only support 16bit
>> +        */
>> +       DDR_BW_MASK             = 3,
>> +       DDR_BW_SHIFT            = 2,
>> +       DDR_DIE_BW_MASK         = 3,
>> +       DDR_DIE_BW_SHIFT        = 0,
>> +};
>> +
>> +static void rkdclk_init(void)
>> +{
>> +       struct rk3036_pll *pll = &cru->pll[1];
>> +
>> +       /* pll enter slow-mode */
>> +       rk_clrsetreg(&cru->cru_mode_con,
>> +                    DPLL_MODE_MASK << DPLL_MODE_SHIFT,
>> +                    DPLL_MODE_SLOW << DPLL_MODE_SHIFT);
>> +
>> +       /* use interger mode */
>> +       rk_clrreg(&pll->con1, 1 << PLL_DSMPD_SHIFT);
>> +
>> +       rk_clrsetreg(&pll->con0,
>> +                    PLL_POSTDIV1_MASK << PLL_POSTDIV1_SHIFT | PLL_FBDIV_MASK,
>> +                    (dpll_init_cfg.postdiv1 << PLL_POSTDIV1_SHIFT) |
>> +                       dpll_init_cfg.fbdiv);
>> +       rk_clrsetreg(&pll->con1, PLL_POSTDIV2_MASK << PLL_POSTDIV2_SHIFT |
>> +                       PLL_REFDIV_MASK << PLL_REFDIV_SHIFT,
>> +                       (dpll_init_cfg.postdiv2 << PLL_POSTDIV2_SHIFT |
>> +                        dpll_init_cfg.refdiv << PLL_REFDIV_SHIFT));
>> +
>> +       /* waiting for pll lock */
>> +       while (readl(&pll->con1) & (1 << PLL_LOCK_STATUS_SHIFT))
>> +               rockchip_udelay(1);
>> +
>> +       /* PLL enter normal-mode */
>> +       rk_clrsetreg(&cru->cru_mode_con,
>> +                    DPLL_MODE_MASK << DPLL_MODE_SHIFT,
>> +                    DPLL_MODE_NORM << DPLL_MODE_SHIFT);
>> +}
>> +
>> +static void copy_to_reg(u32 *dest, const u32 *src, u32 n)
>> +{
>> +       int i;
>> +
>> +       for (i = 0; i < n / sizeof(u32); i++) {
>> +               writel(*src, dest);
>> +               src++;
>> +               dest++;
>> +       }
>> +}
>> +
>> +void phy_pctrl_reset(void)
>> +{
>> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
>> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
>> +               1 << DDRPHY_SRST_SHIFT,
>> +               1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
>> +               1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT);
>> +       rockchip_udelay(10);
>> +
>> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
>> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
>> +               1 << DDRPHY_SRST_SHIFT,
>> +               1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT |
>> +               0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
>> +       rockchip_udelay(10);
>> +
>> +       rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT |
>> +               1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT |
>> +               1 << DDRPHY_SRST_SHIFT,
>> +               0 << DDRCTRL_PSRST_SHIFT | 0 << DDRCTRL_SRST_SHIFT |
>> +               0 << DDRPHY_PSRST_SHIFT | 0 << DDRPHY_SRST_SHIFT);
>> +       rockchip_udelay(10);
>> +
>> +       clrsetbits_le32(&ddr_phy->ddrphy_reg1,
>> +                       SOFT_RESET_MASK << SOFT_RESET_SHIFT,
>> +                       0 << SOFT_RESET_SHIFT);
>> +       rockchip_udelay(10);
>> +       clrsetbits_le32(&ddr_phy->ddrphy_reg1,
>> +                       SOFT_RESET_MASK << SOFT_RESET_SHIFT,
>> +                       3 << SOFT_RESET_SHIFT);
>> +
>> +       rockchip_udelay(1);
>> +}
>> +
>> +void phy_dll_bypass_set(unsigned int freq)
>> +{
>> +       if (freq < ddr_timing.freq) {
>> +               writel(CMD_DLL_BYPASS | HIGH_8BIT_DLL_BYPASS |
>> +                       LOW_8BIT_DLL_BYPASS, &ddr_phy->ddrphy_reg2a);
>> +
>> +               writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
>> +                       (0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
>> +                       CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);
>> +
>> +               writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_90 |
>> +                       LEFT_CHN_TX_DQ_DLL_ENABLE |
>> +                       (0 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
>> +                        LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg6);
>> +
>> +               writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_90 |
>> +                       RIGHT_CHN_TX_DQ_DLL_ENABLE |
>> +                       (0 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
>> +                        RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
>> +                       &ddr_phy->ddrphy_reg9);
>> +       } else {
>> +               writel(CMD_DLL_BYPASS_DISABLE | HIGH_8BIT_DLL_BYPASS_DISABLE |
>> +                       LOW_8BIT_DLL_BYPASS_DISABLE, &ddr_phy->ddrphy_reg2a);
>> +
>> +               writel(CMD_SLAVE_DLL_NO_INVERSE_MODE | CMD_SLAVE_DLL_ENALBE |
>> +                       (0 & CMD_TX_SLAVE_DLL_DELAY_MASK) <<
>> +                       CMD_TX_SLAVE_DLL_DELAY_SHIFT, &ddr_phy->ddrphy_reg19);
> Is this the same as the ddrphy_reg19 line above?
     Oh, yes, you are right, will move together next version
>
>> +
>> +               writel(LEFT_CHN_TX_DQ_PHASE_BYPASS_0 |
>> +                       LEFT_CHN_TX_DQ_DLL_ENABLE |
>> +                       (4 & LEFT_CHN_TX_DQ_DLL_DELAY_MASK) <<
>> +                        LEFT_CHN_TX_DQ_DLL_DELAY_SHIFT,
>> +                       &ddr_phy->ddrphy_reg6);
>> +
>> +               writel(RIGHT_CHN_TX_DQ_PHASE_BYPASS_0 |
>> +                       RIGHT_CHN_TX_DQ_DLL_ENABLE |
>> +                       (4 & RIGHT_CHN_TX_DQ_DLL_DELAY_MASK) <<
>> +                        RIGHT_CHN_TX_DQ_DLL_DELAY_SHIFT,
>> +                       &ddr_phy->ddrphy_reg9);
>> +       }
>> +
>> +       /* 45 degree delay */
>> +       writel((2 & LEFT_CHN_RX_DQS_DELAY_TAP_MASK) <<
> 2 should be in an enum
Okay
>
>> +               LEFT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg8);
>> +       writel((2 & RIGHT_CHN_RX_DQS_DELAY_TAP_MASK) <<
>> +               RIGHT_CHN_RX_DQS_DELAY_TAP_SHIFT, &ddr_phy->ddrphy_reg11);
>> +}
>> +
>> +static void send_command(u32 rank, u32 cmd, u32 arg)
>> +{
>> +       writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd);
>> +       rockchip_udelay(1);
>> +       while (readl(&pctl->mcmd) & START_CMD)
>> +               ;
>> +}
>> +
>> +static void memory_init(void)
>> +{
>> +       send_command(3, DESELECT_CMD, 0);
>> +       rockchip_udelay(1);
>> +       send_command(3, PREA_CMD, 0);
>> +       send_command(3, MRS_CMD, (0x02 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
>> +                       (ddr_timing.phy_timing.mr[2] & CMD_ADDR_MASK) <<
>> +                       CMD_ADDR_SHIFT);
>> +
>> +       send_command(3, MRS_CMD, (0x03 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
>> +                       (ddr_timing.phy_timing.mr[3] & CMD_ADDR_MASK) <<
>> +                       CMD_ADDR_SHIFT);
>> +
>> +       send_command(3, MRS_CMD, (0x01 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
>> +                       (ddr_timing.phy_timing.mr[1] & CMD_ADDR_MASK) <<
>> +                       CMD_ADDR_SHIFT);
>> +
>> +       send_command(3, MRS_CMD, (0x00 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT |
>> +                       (ddr_timing.phy_timing.mr[0] & CMD_ADDR_MASK) <<
>> +                       CMD_ADDR_SHIFT | DDR3_DLL_RESET);
> The order is strange here -  2, 3, 1, 0. Then you do a RESET.
>
> Is it possible to put this in a for() loop?
>
>> +
>> +       send_command(3, ZQCL_CMD, 0);
>> +}
>> +
>> +static void data_training(void)
>> +{
>> +       u32 value;
>> +
>> +       /* disable auto refresh */
>> +       value = readl(&pctl->trefi),
>> +       writel(0, &pctl->trefi);
>> +
>> +       clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
>> +                       DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_CAL_START);
>> +
>> +       rockchip_udelay(10);
>> +       while ((readl(&ddr_phy->ddrphy_reg62) & CAL_DONE_MASK) !=
>> +               (HIGH_8BIT_CAL_DONE | LOW_8BIT_CAL_DONE)) {
>> +               ;
>> +       }
>> +
>> +       clrsetbits_le32(&ddr_phy->ddrphy_reg2, 0x03,
>> +                       DQS_SQU_CAL_NORMAL_MODE | DQS_SQU_NO_CAL);
>> +       send_command(3, REF_CMD, 0);
>> +       send_command(3, REF_CMD, 0);
>> +       send_command(3, REF_CMD, 0);
>> +
>> +       writel(value, &pctl->trefi);
>> +}
>> +
>> +static void move_to_config_state(void)
>> +{
>> +       unsigned int state;
>> +
>> +       while (1) {
>> +               state = readl(&pctl->stat) & PCTL_STAT_MASK;
>> +               switch (state) {
>> +               case LOW_POWER:
>> +                       writel(WAKEUP_STATE, &pctl->sctl);
>> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK)
>> +                               != ACCESS)
>> +                               ;
>> +                       /* if at low power state,need wakeup first,
> /*
>   * If at ...
>
> Also please try to wrap the comments to the full width (e.g. 75-78 chars).
     Okay , thank you
>> +                        * and then enter the config
>> +                        * so fallthrough.
>> +                        */
>> +               case ACCESS:
>> +                       /* fallthrough */
>> +               case INIT_MEM:
>> +                       writel(CFG_STATE, &pctl->sctl);
>> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
>> +                               ;
>> +                       break;
>> +
> Drop blank line
     Got it.
>> +               case CONFIG:
>> +                       return;
>> +               default:
>> +                       break;
>> +               }
>> +       }
>> +}
>> +
>> +static void move_to_access_state(void)
>> +{
>> +       unsigned int state;
>> +
>> +       while (1) {
>> +               state = readl(&pctl->stat) & PCTL_STAT_MASK;
>> +               switch (state) {
>> +               case LOW_POWER:
>> +                       writel(WAKEUP_STATE, &pctl->sctl);
>> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
>> +                               ;
>> +                       break;
>> +               case INIT_MEM:
>> +                       writel(CFG_STATE, &pctl->sctl);
>> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG)
>> +                               ;
>> +                       /* fallthrough */
>> +               case CONFIG:
>> +                       writel(GO_STATE, &pctl->sctl);
>> +                       while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS)
>> +                               ;
>> +                       break;
>> +               case ACCESS:
>> +                       return;
>> +               default:
>> +                       break;
>> +               }
>> +       }
>> +}
>> +
>> +static void pctl_cfg(void)
>> +{
>> +       u32 burst_len;
>> +       u32 reg;
>> +
>> +       writel(DFI_INIT_START | DFI_DATA_BYTE_DISABLE_EN, &pctl->dfistcfg0);
>> +       writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, &pctl->dfistcfg1);
>> +       writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2);
>> +       writel(7 << TLP_RESP_TIME_SHIFT | LP_SR_EN | LP_PD_EN,
>> +              &pctl->dfilpcfg0);
>> +
>> +       writel(1, &pctl->dfitphyupdtype0);
>> +       writel(0x0d, &pctl->dfitphyrdlat);
>> +
>> +       /* cs0 and cs1 write odt enable */
>> +       writel((RANK0_ODT_WRITE_SEL | RANK1_ODT_WRITE_SEL),
>> +              &pctl->dfiodtcfg);
>> +
>> +       /* odt write length */
>> +       writel(7 << ODT_LEN_BL8_W_SHIFT, &pctl->dfiodtcfg1);
>> +
>> +       /* phyupd and ctrlupd disabled */
>> +       writel(0, &pctl->dfiupdcfg);
>> +
>> +       if ((ddr_timing.noc_timing.burstlen << 1) == 4)
>> +               burst_len = MEM_BL4;
>> +       else
>> +               burst_len = MEM_BL8;
>> +
>> +       copy_to_reg(&pctl->togcnt1u, &ddr_timing.pctl_timing.togcnt1u,
>> +                   sizeof(struct rk3036_pctl_timing));
>> +
>> +       reg = readl(&pctl->tcl);
>> +       writel(reg - 3, &pctl->dfitrddataen);
>> +       reg = readl(&pctl->tcwl);
>> +       writel(reg - 1, &pctl->dfitphywrlat);
>> +
>> +       writel(burst_len | (1 & TFAW_CFG_MASK) << TFAW_CFG_SHIFT |
>> +                       PD_EXIT_SLOW_MODE | PD_ACTIVE_POWER_DOWN |
>> +                       (0 & PD_IDLE_MASK) << PD_IDLE_SHIFT,
>> +                       &pctl->mcfg);
>> +
>> +       writel(RK_SETBITS(MSCH4_MAINDDR3), &grf->soc_con2);
>> +       setbits_le32(&pctl->scfg, HW_LOW_POWER_EN);
>> +}
>> +
>> +static void phy_cfg(void)
>> +{
>> +       writel(ddr_timing.noc_timing.noc_timing, &axi_bus->ddrtiming);
>> +       writel(0x3f, &axi_bus->readlatency);
>> +
>> +       writel(MEMORY_SELECT_DDR3 | DQS_SQU_CAL_NORMAL_MODE,
>> +              &ddr_phy->ddrphy_reg2);
>> +
>> +       clrsetbits_le32(&ddr_phy->ddrphy_reg3, 1, ddr_timing.phy_timing.bl);
>> +       writel(ddr_timing.phy_timing.cl_al, &ddr_phy->ddrphy_reg4a);
>> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg16);
>> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg22);
>> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg25);
>> +       writel(PHY_DRV_ODT_SET(PHY_RON_44OHM), &ddr_phy->ddrphy_reg26);
>> +       writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg27);
>> +       writel(PHY_DRV_ODT_SET(PHY_RTT_216OHM), &ddr_phy->ddrphy_reg28);
>> +}
>> +
>> +void dram_cfg_rbc(void)
>> +{
>> +       char noc_config;
>> +       int i = 0;
>> +
>> +       move_to_config_state();
>> +
>> +       /* 2bit in BIT1, 2 */
>> +       if (ddr_config.rank == 2) {
>> +               noc_config = (ddr_config.cs0_row - 13) << 4 |
>> +                             ddr_config.bank << 1 |
>> +                             1 << 3 | (ddr_config.col - 10);
>> +               if (noc_config == ddr_cfg_2_rbc[9]) {
>> +                       i = 9;
>> +                       goto finish;
>> +               } else if (noc_config == ddr_cfg_2_rbc[10]) {
>> +                       i = 10;
>> +                       goto finish;
>> +               }
>> +       }
>> +
>> +       noc_config = (ddr_config.cs0_row - 13) << 4 | ddr_config.bank << 1 |
>> +                       (ddr_config.col - 10);
>> +
>> +       for (i = 0; i < sizeof(ddr_cfg_2_rbc); i++) {
>> +               if (noc_config == ddr_cfg_2_rbc[i])
>> +                       goto finish;
>> +       }
>> +
>> +       /* bank: 1 bit in BIT6,7, 1bit in BIT1, 2 */
>> +       noc_config = 1 << 6 | (ddr_config.cs0_row - 13) << 4 |
>> +                       2 << 1 | (ddr_config.col - 10);
>> +       if (noc_config == ddr_cfg_2_rbc[11]) {
>> +               i = 11;
>> +               goto finish;
>> +       }
>> +
>> +       /* bank: 2bit in BIT6,7 */
>> +       noc_config = (ddr_config.bank << 6) | (ddr_config.cs0_row - 13) << 4 |
>> +                       (ddr_config.col - 10);
>> +
>> +       if (noc_config == ddr_cfg_2_rbc[0])
>> +               i = 0;
>> +       else if (noc_config == ddr_cfg_2_rbc[12])
>> +               i = 12;
>> +       else if (noc_config == ddr_cfg_2_rbc[13])
>> +               i = 13;
>> +finish:
>> +       writel(i, &axi_bus->ddrconf);
>> +       move_to_access_state();
>> +
>> +       return;
>> +}
>> +
>> +static void sdram_all_config(void)
>> +{
>> +       u32 os_reg = 0;
>> +
>> +       os_reg = ddr_config.ddr_type << DDR_TYPE_SHIFT |
>> +                       0 << DDR_CHN_CNT_SHIFT |
>> +                       (ddr_config.rank - 1) << DDR_RANK_CNT_SHIFT |
>> +                       (ddr_config.col - 1) << DDR_COL_SHIFT |
>> +                       (ddr_config.bank == 3 ? 0 : 1) << DDR_BANK_SHIFT |
>> +                       (ddr_config.cs0_row - 13) << DDR_CS0_ROW_SHIFT |
>> +                       (ddr_config.cs1_row - 13) << DDR_CS1_ROW_SHIFT |
>> +                       1 << DDR_BW_SHIFT | ddr_config.bw << DDR_DIE_BW_SHIFT;
>> +       writel(os_reg, &grf->os_reg[1]);
>> +}
>> +
>> +size_t sdram_size(void)
>> +{
>> +       u32 size, os_reg, cs0_row, cs1_row, col, bank, rank;
>> +
>> +       os_reg = readl(&grf->os_reg[1]);
>> +       print_hex(os_reg);
> Do you want this? What is the purpose?
     Oh, careless, sorry.
>
>> +
>> +       cs0_row = 13 + ((os_reg >> DDR_CS0_ROW_SHIFT) & DDR_CS0_ROW_MASK);
>> +       cs1_row = 13 + ((os_reg >> DDR_CS1_ROW_SHIFT) & DDR_CS1_ROW_MASK);
>> +       col = 9 + ((os_reg >> DDR_COL_SHIFT) & DDR_COL_MASK);
>> +       bank = 3 - ((os_reg >> DDR_BANK_SHIFT) & DDR_BANK_MASK);
>> +       rank = 1 + ((os_reg >> DDR_RANK_CNT_SHIFT) & DDR_RANK_CNT_MASK);
>> +
>> +       /* row + col + bank + bw(rk3036 only support 16bit, so fix in 1) */
>> +       size = 1 << (cs0_row + col + bank + 1);
>> +
>> +       if (rank > 1)
>> +               size += size >> (cs0_row - cs1_row);
>> +
>> +       return size;
>> +}
>> +
>> +__weak void get_ddr_config(struct rk3036_ddr_config *config)
>> +{
>> +}
>> +
>> +void sdram_init(void)
>> +{
>> +       get_ddr_config(&ddr_config);
>> +       sdram_all_config();
>> +       rkdclk_init();
>> +       phy_pctrl_reset();
>> +       phy_dll_bypass_set(ddr_timing.freq);
>> +       pctl_cfg();
>> +       phy_cfg();
>> +       writel(POWER_UP_START, &pctl->powctl);
>> +       while (!(readl(&pctl->powstat) & POWER_UP_DONE))
>> +               ;
>> +       memory_init();
>> +       move_to_config_state();
>> +       data_training();
>> +       move_to_access_state();
>> +       dram_cfg_rbc();
> This looks good and very clear, thank you.
     Thank you for your review, i will rework it.
>
>> +}
>> --
>> 1.9.1
>>
> Regards,
> Simon
>
>
>

-- 
Lin Huang

^ permalink raw reply	[flat|nested] 29+ messages in thread

end of thread, other threads:[~2015-11-09  3:29 UTC | newest]

Thread overview: 29+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-11-06  9:53 [U-Boot] [RESEND PATCH v3 00/20] Bring up rk3036 uboot Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 01/20] rockchip: add timer driver Lin Huang
2015-11-06 12:08   ` Simon Glass
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 02/20] rockchip: move SYS_MALLOC_F_LEN to rk3288 own Kconfig Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 03/20] rockchip: rename board-spl.c to rk3288-board-spl.c Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 04/20] rockchip: add config decide whether to build common.c Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 05/20] dm: core: Add SPL Kconfig for REGMAP and SYSCON Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 06/20] rockchip: serial driver support rk3036 Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 07/20] rockchip: Bring in RK3036 device tree file includes and bindings Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 08/20] rockchip: rk3036: Add clock driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 09/20] rockchip: rk3036: Add header files for GRF Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 10/20] rockchip: rk3036: Add Soc reset driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 11/20] rockchip: rk3036: Add a simple syscon driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 12/20] rockchip: rk3036: Add pinctrl driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 13/20] rockchip: Add an rk3036 MMC driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 14/20] rockchip: add early uart driver Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 15/20] rockchip: add rk3036 sdram driver Lin Huang
2015-11-06 12:08   ` Simon Glass
2015-11-06 15:47     ` Heiko Stuebner
2015-11-06 23:58   ` Simon Glass
2015-11-09  3:29     ` hl
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 16/20] rockchip: rk3036: Add core Soc start-up code Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 17/20] rockchip: Add basic support for evb-rk3036 board Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 18/20] rockchip: Add max init size & chip tag configs Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 19/20] rockchip: Add support for rk's second level loader Lin Huang
2015-11-06  9:53 ` [U-Boot] [RESEND PATCH v3 20/20] rockchip: doc: show packet rk3036 uboot image Lin Huang
2015-11-06 12:08   ` Simon Glass
2015-11-06 16:40     ` 蔡枫(Eddie)
2015-11-06 23:58       ` Simon Glass

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