[U-Boot] [PATCH 2/2] warp7: Add initial support

[Fabio Estevam <festevam@gmail.com>]

From: Fabio Estevam <fabio.estevam@nxp.com>

Add the basic support for Warp7 board.

For more information about this reference design, please visit:

https://www.element14.com/community/docs/DOC-79058/l/warp-7-the-next-generation-wearable-reference-platform

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
 arch/arm/cpu/armv7/mx7/Kconfig |   6 ++
 board/warp7/Kconfig            |   9 +++
 board/warp7/MAINTAINERS        |   6 ++
 board/warp7/Makefile           |   6 ++
 board/warp7/imximage.cfg       |  95 ++++++++++++++++++++++++++
 board/warp7/warp7.c            | 102 ++++++++++++++++++++++++++++
 configs/warp7_defconfig        |  12 ++++
 include/configs/warp7.h        | 149 +++++++++++++++++++++++++++++++++++++++++
 8 files changed, 385 insertions(+)
 create mode 100644 board/warp7/Kconfig
 create mode 100644 board/warp7/MAINTAINERS
 create mode 100644 board/warp7/Makefile
 create mode 100644 board/warp7/imximage.cfg
 create mode 100644 board/warp7/warp7.c
 create mode 100644 configs/warp7_defconfig
 create mode 100644 include/configs/warp7.h

diff --git a/arch/arm/cpu/armv7/mx7/Kconfig b/arch/arm/cpu/armv7/mx7/Kconfig
index 97d6238..58d9bbf 100644
--- a/arch/arm/cpu/armv7/mx7/Kconfig
+++ b/arch/arm/cpu/armv7/mx7/Kconfig
@@ -18,11 +18,17 @@ config TARGET_MX7DSABRESD
 	select DM
 	select DM_THERMAL
 
+config TARGET_WARP7
+	bool "warp7"
+	select DM
+	select DM_THERMAL
+
 endchoice
 
 config SYS_SOC
 	default "mx7"
 
 source "board/freescale/mx7dsabresd/Kconfig"
+source "board/warp7/Kconfig"
 
 endif
diff --git a/board/warp7/Kconfig b/board/warp7/Kconfig
new file mode 100644
index 0000000..61c33fb
--- /dev/null
+++ b/board/warp7/Kconfig
@@ -0,0 +1,9 @@
+if TARGET_WARP7
+
+config SYS_BOARD
+	default "warp7"
+
+config SYS_CONFIG_NAME
+	default "warp7"
+
+endif
diff --git a/board/warp7/MAINTAINERS b/board/warp7/MAINTAINERS
new file mode 100644
index 0000000..1d3ee29
--- /dev/null
+++ b/board/warp7/MAINTAINERS
@@ -0,0 +1,6 @@
+WARP7 BOARD
+M:	Fabio Estevam <fabio.estevam@nxp.com>
+S:	Maintained
+F:	board/warp7/
+F:	include/configs/warp7.h
+F:	configs/warp7_defconfig
diff --git a/board/warp7/Makefile b/board/warp7/Makefile
new file mode 100644
index 0000000..f39d1d8
--- /dev/null
+++ b/board/warp7/Makefile
@@ -0,0 +1,6 @@
+# (C) Copyright 2016 NXP Semiconductors
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := warp7.o
diff --git a/board/warp7/imximage.cfg b/board/warp7/imximage.cfg
new file mode 100644
index 0000000..e7b6d30
--- /dev/null
+++ b/board/warp7/imximage.cfg
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2016 NXP Semiconductors
+ *
+ * SPDX-License-Identifier:	GPL-2.0
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+IMAGE_VERSION	2
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+DATA 4 0x30340004 0x4F400005
+
+DATA 4 0x30391000 0x00000002
+DATA 4 0x307a0000 0x03040008
+DATA 4 0x307a0064 0x00200038
+DATA 4 0x307a0490 0x00000001
+DATA 4 0x307a00d0 0x00350001
+DATA 4 0x307a00dc 0x00c3000a
+DATA 4 0x307a00e0 0x00010000
+DATA 4 0x307a00e4 0x00110006
+DATA 4 0x307a00f4 0x0000033f
+DATA 4 0x307a0100 0x0a0e110b
+DATA 4 0x307a0104 0x00020211
+DATA 4 0x307a0108 0x03060708
+DATA 4 0x307a010c 0x00a0500c
+DATA 4 0x307a0110 0x05020307
+DATA 4 0x307a0114 0x02020404
+DATA 4 0x307a0118 0x02020003
+DATA 4 0x307a011c 0x00000202
+DATA 4 0x307a0120 0x00000202
+
+DATA 4 0x307a0180 0x00600018
+DATA 4 0x307a0184 0x00e00100
+DATA 4 0x307a0190 0x02098205
+DATA 4 0x307a0194 0x00060303
+DATA 4 0x307a01a0 0x80400003
+DATA 4 0x307a01a4 0x00100020
+DATA 4 0x307a01a8 0x80100004
+
+DATA 4 0x307a0200 0x00000015
+DATA 4 0x307a0204 0x00161616
+DATA 4 0x307a0210 0x00000f0f
+DATA 4 0x307a0214 0x04040404
+DATA 4 0x307a0218 0x0f0f0404
+
+DATA 4 0x307a0240 0x06000600
+DATA 4 0x307a0244 0x00000000
+DATA 4 0x30391000 0x00000000
+DATA 4 0x30790000 0x17421e40
+DATA 4 0x30790004 0x10210100
+DATA 4 0x30790008 0x00010000
+DATA 4 0x30790010 0x0007080c
+DATA 4 0x307900b0 0x1010007e
+
+DATA 4 0x3079001C 0x01010000
+DATA 4 0x3079009c 0x00000d6e
+
+DATA 4 0x30790030 0x06060606
+DATA 4 0x30790020 0x0a0a0a0a
+DATA 4 0x30790050 0x01000008
+DATA 4 0x30790050 0x00000008
+DATA 4 0x30790018 0x0000000f
+DATA 4 0x307900c0 0x0e487304
+DATA 4 0x307900c0 0x0e4c7304
+DATA 4 0x307900c0 0x0e4c7306
+DATA 4 0x307900c0 0x0e4c7304
+
+CHECK_BITS_SET 4 0x307900c4 0x1
+
+DATA 4 0x307900c0 0x0e487304
+
+DATA 4 0x30384130 0x00000000
+DATA 4 0x30340020 0x00000178
+DATA 4 0x30384130 0x00000002
+
+CHECK_BITS_SET 4 0x307a0004 0x1
diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c
new file mode 100644
index 0000000..8c5bf9a
--- /dev/null
+++ b/board/warp7/warp7.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2016 NXP Semiconductors
+ * Author: Fabio Estevam <fabio.estevam@nxp.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx7-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/io.h>
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <mmc.h>
+#include <asm/arch/crm_regs.h>
+#include <usb.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
+			PAD_CTL_HYS)
+#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW |	\
+			PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
+
+int dram_init(void)
+{
+	gd->ram_size = PHYS_SDRAM_SIZE;
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+	MX7D_PAD_SD3_CLK__SD3_CLK     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_CMD__SD3_CMD     | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_RESET_B__SD3_RESET_B | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+};
+
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC3_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+		/* Assume uSDHC3 emmc is always present */
+		return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: WARP7\n");
+
+	return 0;
+}
+
+int board_usb_phy_mode(int port)
+{
+	return USB_INIT_DEVICE;
+}
diff --git a/configs/warp7_defconfig b/configs/warp7_defconfig
new file mode 100644
index 0000000..6f911e7
--- /dev/null
+++ b/configs/warp7_defconfig
@@ -0,0 +1,12 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX7=y
+CONFIG_TARGET_WARP7=y
+CONFIG_IMX_RDC=y
+CONFIG_IMX_BOOTAUX=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/warp7/imximage.cfg,MX7D"
+# CONFIG_CMD_BOOTD is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_XIMG is not set
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_SETEXPR is not set
diff --git a/include/configs/warp7.h b/include/configs/warp7.h
new file mode 100644
index 0000000..97c8bc8
--- /dev/null
+++ b/include/configs/warp7.h
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2016 NXP Semiconductors
+ *
+ * Configuration settings for the i.MX7S Warp board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __WARP7_CONFIG_H
+#define __WARP7_CONFIG_H
+
+#define CONFIG_BOOTDELAY                1
+#include "mx7_common.h"
+
+#define PHYS_SDRAM_SIZE			SZ_512M
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* MMC Config*/
+#define CONFIG_SYS_FSL_ESDHC_ADDR       USDHC3_BASE_ADDR
+#define CONFIG_SUPPORT_EMMC_BOOT
+#define CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_DFU_ENV_SETTINGS \
+	"dfu_alt_info=image raw 0 0x800000;"\
+		"u-boot raw 0 0x4000;"\
+		"bootimg part 0 1;"\
+		"rootfs part 0 2\0" \
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	CONFIG_DFU_ENV_SETTINGS \
+	"script=boot.scr\0" \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"fdt_file=imx7d-warp.dtb\0" \
+	"fdt_addr=0x83000000\0" \
+	"boot_fdt=try\0" \
+	"ip_dyn=yes\0" \
+	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadbootscript=" \
+		"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
+			"if run loadfdt; then " \
+				"bootz ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"if test ${boot_fdt} = try; then " \
+					"bootz; " \
+				"else " \
+					"echo WARN: Cannot load the DT; " \
+				"fi; " \
+			"fi; " \
+		"else " \
+			"bootz; " \
+		"fi;\0" \
+
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev};" \
+	   "mmc dev ${mmcdev}; if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "fi"
+
+#define CONFIG_CMD_MEMTEST
+#define CONFIG_SYS_MEMTEST_START	0x80000000
+#define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_MEMTEST_START + 0x20000000)
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_STACKSIZE		SZ_128K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* FLASH and environment organization */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_ENV_SIZE			SZ_8K
+#define CONFIG_ENV_IS_IN_MMC
+
+#define CONFIG_ENV_OFFSET		(8 * SZ_64K)
+#define CONFIG_SYS_FSL_USDHC_NUM	1
+
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		0
+#define CONFIG_MMCROOT			"/dev/mmcblk2p2"
+
+/* USB Configs */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX7
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+
+#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS		0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 1 /* Only OTG1 port enabled */
+
+#define CONFIG_IMX_THERMAL
+
+#define CONFIG_CI_UDC
+#define CONFIG_USBD_HS
+#define CONFIG_USB_GADGET_DUALSPEED
+
+#define CONFIG_USB_GADGET
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+
+#define CONFIG_G_DNL_VENDOR_NUM		0x0525
+#define CONFIG_G_DNL_PRODUCT_NUM	0xa4a5
+#define CONFIG_G_DNL_MANUFACTURER	"FSL"
+
+/* USB Device Firmware Update support */
+#define CONFIG_CMD_DFU
+#define CONFIG_USB_FUNCTION_DFU
+#define CONFIG_DFU_MMC
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE	SZ_16M
+#define DFU_DEFAULT_POLL_TIMEOUT	300
+
+#endif
-- 
1.9.1