[U-Boot] [PATCH v5 0/7] SPL: Port SPL framework to powerpc

[U-Boot] [PATCH v5 0/7] SPL: Port SPL framework to powerpc

[Stefan Roese]

This patchset ports the SPL framework to powerpc. Its based on the
SPL generalization lately done by Tom Rini. The patches is based
on the current "master" branch.

Additionally, a new MPC5200 board port is included, the a3m071 board
port. This board port uses this SPL framework mainly to speed up
booting into the OS (Linux of course). Detection of Linux vs. U-Boot
booting is done here by checking the environment variable "boot_os".
If "boot_os" is set to "yes", then the OS (Linux) is booted. Otherwise
the "real" U-Boot is booted.

Tom, what do you think? I would really like to get this included now.
Would you prefer if I would push this patch series into a git repo
where you could pull from?

Thanks,
Stefan

Changes in v5:
- Remove timer_init() for PPC systems
- Remove some unneeded defines from a3m071.h (e.g. LIME related)
- Configure PCS2 not for SPI as default

Changes in v4:
- Build spl.o only for SPL image
- getenv_f not extracted into separate file. Only Makefile
  additions for SPL_BUILD needed.
- Add remark to call "fdt chosen" to board/a3m071/README
- Configure PCS2 as CODEC2 (SPI)
- Drop patch fdt: cmd_fdt: Call fdt_chosen() from "fdt boardsetup"

Changes in v3:
- Rebased on current master plus SPL framework v7
- Don't use special MPC5xxx memcpy in SPL
- Move linker symbols to header spl.h (checkpatch)

Changes in v2:
- Rebased on Tom's SPL framework patches v4
- Add option to skip copying of the mkimage header
- Rebased on Tom's SPL framework patches v4
- Rebased on Tom's SPL framework patches v4
- a3m071 build: Concat SPL binary and u-boot.img directly (no padding)

Stefan Roese (7):
  powerpc: Extract EPAPR_MAGIC constants into processor.h
  SPL: Port SPL framework to powerpc
  env: Enable getenv_f() for SPL_BUILD
  mpc5200: Add SPL support
  mpc5200: Add a3m071 board support
  Makefile: Add possibility to set entry-point for u-boot.img
  Makefile: Add target for combined spl/u-boot.bin & u-boot.img

 MAINTAINERS                             |   2 +
 Makefile                                |  14 +-
 arch/powerpc/cpu/mpc5xxx/Makefile       |   4 +
 arch/powerpc/cpu/mpc5xxx/spl_boot.c     |  79 +++++++
 arch/powerpc/cpu/mpc5xxx/start.S        |  22 ++
 arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds |  57 +++++
 arch/powerpc/include/asm/processor.h    |   6 +
 arch/powerpc/include/asm/spl.h          |  31 +++
 arch/powerpc/lib/Makefile               |  14 ++
 arch/powerpc/lib/bootm.c                |   6 -
 arch/powerpc/lib/spl.c                  |  42 ++++
 board/a3m071/Makefile                   |  36 +++
 board/a3m071/README                     |  80 +++++++
 board/a3m071/a3m071.c                   | 335 ++++++++++++++++++++++++++++
 board/a3m071/mt46v16m16-75.h            |  32 +++
 boards.cfg                              |   1 +
 common/Makefile                         |   3 +
 common/spl/spl.c                        |  16 ++
 include/configs/a3m071.h                | 380 ++++++++++++++++++++++++++++++++
 19 files changed, 1153 insertions(+), 7 deletions(-)
 create mode 100644 arch/powerpc/cpu/mpc5xxx/spl_boot.c
 create mode 100644 arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds
 create mode 100644 arch/powerpc/include/asm/spl.h
 create mode 100644 arch/powerpc/lib/spl.c
 create mode 100644 board/a3m071/Makefile
 create mode 100644 board/a3m071/README
 create mode 100644 board/a3m071/a3m071.c
 create mode 100644 board/a3m071/mt46v16m16-75.h
 create mode 100644 include/configs/a3m071.h

-- 
1.8.0

[U-Boot] [PATCH v5 1/7] powerpc: Extract EPAPR_MAGIC constants into processor.h

[Stefan Roese]

By extracting these defines into a header, they can be re-used by other
C sources as well. This will be done by the SPL framework OS boot
support.

Signed-off-by: Stefan Roese <sr@denx.de>
---

 arch/powerpc/include/asm/processor.h | 6 ++++++
 arch/powerpc/lib/bootm.c             | 6 ------
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 7aa3231..19fe250 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -1342,4 +1342,10 @@ void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
 #endif
 #endif /* CONFIG_MACH_SPECIFIC */
 
+#if defined(CONFIG_MPC85xx) || defined(CONFIG_440)
+ #define EPAPR_MAGIC	(0x45504150)
+#else
+ #define EPAPR_MAGIC	(0x65504150)
+#endif
+
 #endif /* __ASM_PPC_PROCESSOR_H */
diff --git a/arch/powerpc/lib/bootm.c b/arch/powerpc/lib/bootm.c
index 53dc4df..e3fee0b 100644
--- a/arch/powerpc/lib/bootm.c
+++ b/arch/powerpc/lib/bootm.c
@@ -87,12 +87,6 @@ static void boot_jump_linux(bootm_headers_t *images)
 		 *   r8: 0
 		 *   r9: 0
 		 */
-#if defined(CONFIG_MPC85xx) || defined(CONFIG_440)
- #define EPAPR_MAGIC	(0x45504150)
-#else
- #define EPAPR_MAGIC	(0x65504150)
-#endif
-
 		debug ("   Booting using OF flat tree...\n");
 		WATCHDOG_RESET ();
 		(*kernel) ((bd_t *)of_flat_tree, 0, 0, EPAPR_MAGIC,
-- 
1.8.0

[U-Boot] [PATCH v5 2/7] SPL: Port SPL framework to powerpc

[Stefan Roese]

This patch enables the SPL framework to be used on powerpc platforms
and not only ARM.

timer_init() does not exist on PPC systems. The timer (decrementer) is
initialized and enabled in interrupt_init() here. And currently
interrupt_init() is called after relocation to SDRAM. Since the only
powerpc SPL implementation (a3m071) doesn't need a timer, let's remove
this timer_init() call for PPC systems.

Signed-off-by: Stefan Roese <sr@denx.de>
---
Changes in v5:
- Remove timer_init() for PPC systems

Changes in v4:
- Build spl.o only for SPL image

Changes in v2:
- Rebased on Tom's SPL framework patches v4
- Add option to skip copying of the mkimage header

 arch/powerpc/lib/Makefile |  4 ++++
 arch/powerpc/lib/spl.c    | 42 ++++++++++++++++++++++++++++++++++++++++++
 common/spl/spl.c          | 16 ++++++++++++++++
 3 files changed, 62 insertions(+)
 create mode 100644 arch/powerpc/lib/spl.c

diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 808021c..1beecf6 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -64,6 +64,10 @@ $(obj)ppcstring.o: AFLAGS += -Dmemcpy=__memcpy
 COBJS-y += memcpy_mpc5200.o
 endif
 
+ifdef CONFIG_SPL_BUILD
+COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
+endif
+
 COBJS	+= $(sort $(COBJS-y))
 
 SRCS	:= $(GLSOBJS:.o=.S) $(GLCOBJS:.o=.c) \
diff --git a/arch/powerpc/lib/spl.c b/arch/powerpc/lib/spl.c
new file mode 100644
index 0000000..502c93b
--- /dev/null
+++ b/arch/powerpc/lib/spl.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <image.h>
+#include <linux/compiler.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * This function jumps to an image with argument. Normally an FDT or ATAGS
+ * image.
+ * arg: Pointer to paramter image in RAM
+ */
+#ifdef CONFIG_SPL_OS_BOOT
+void __noreturn jump_to_image_linux(void *arg)
+{
+	debug("Entering kernel arg pointer: 0x%p\n", arg);
+	typedef void (*image_entry_arg_t)(void *, ulong r4, ulong r5, ulong r6,
+					  ulong r7, ulong r8, ulong r9)
+		__attribute__ ((noreturn));
+	image_entry_arg_t image_entry =
+		(image_entry_arg_t)spl_image.entry_point;
+
+	image_entry(arg, 0, 0, EPAPR_MAGIC, CONFIG_SYS_BOOTMAPSZ, 0, 0);
+}
+#endif /* CONFIG_SPL_OS_BOOT */
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 0d829c0..0d316e3 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -74,6 +74,16 @@ __weak int spl_start_uboot(void)
 }
 #endif
 
+/*
+ * Weak default function for board specific cleanup/preparation before
+ * Linux boot. Some boards/platforms might not need it, so just provide
+ * an empty stub here.
+ */
+__weak void spl_board_prepare_for_linux(void)
+{
+	/* Nothing to do! */
+}
+
 void spl_parse_image_header(const struct image_header *header)
 {
 	u32 header_size = sizeof(struct image_header);
@@ -155,7 +165,13 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
 			CONFIG_SYS_SPL_MALLOC_SIZE);
 #endif
 
+#ifndef CONFIG_PPC
+	/*
+	 * timer_init() does not exist on PPC systems. The timer is initialized
+	 * and enabled (decrementer) in interrupt_init() here.
+	 */
 	timer_init();
+#endif
 
 #ifdef CONFIG_SPL_BOARD_INIT
 	spl_board_init();
-- 
1.8.0

[U-Boot] [PATCH v5 3/7] env: Enable getenv_f() for SPL_BUILD

[Stefan Roese]

With this patch, getenv_f() can be included easily into the SPL
binary. With this, SPL boards can now use getenv_f() to read
environment variables (e.g. to detect if the OS or U-Boot shall
be executed).

In the approach this is done for env stored in NOR flash, as this
will be used by an upcoming MPC5200 board port.

Signed-off-by: Stefan Roese <sr@denx.de>
---
Changes in v4:
- getenv_f not extracted into separate file. Only Makefile
  additions for SPL_BUILD needed.

Changes in v3:
- Rebased on current master plus SPL framework v7

 common/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/common/Makefile b/common/Makefile
index eac6360..e76f2e1 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -199,6 +199,9 @@ COBJS-$(CONFIG_CMD_DFU) += cmd_dfu.o
 endif
 
 ifdef CONFIG_SPL_BUILD
+COBJS-y += cmd_nvedit.o
+COBJS-y += env_common.o
+COBJS-$(CONFIG_ENV_IS_IN_FLASH) += env_flash.o
 COBJS-$(CONFIG_SPL_YMODEM_SUPPORT) += xyzModem.o
 COBJS-$(CONFIG_SPL_NET_SUPPORT) += cmd_nvedit.o
 COBJS-$(CONFIG_SPL_NET_SUPPORT) += env_common.o
-- 
1.8.0

[U-Boot] [PATCH v5 4/7] mpc5200: Add SPL support

[Stefan Roese]

This patch adds SPL booting support (NOR flash) for the
MPC5200 platforms.

Signed-off-by: Stefan Roese <sr@denx.de>
---
Changes in v3:
- Don't use special MPC5xxx memcpy in SPL
- Move linker symbols to header spl.h (checkpatch)

Changes in v2:
- Rebased on Tom's SPL framework patches v4

 arch/powerpc/cpu/mpc5xxx/Makefile       |  4 ++
 arch/powerpc/cpu/mpc5xxx/spl_boot.c     | 79 +++++++++++++++++++++++++++++++++
 arch/powerpc/cpu/mpc5xxx/start.S        | 22 +++++++++
 arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds | 57 ++++++++++++++++++++++++
 arch/powerpc/include/asm/spl.h          | 31 +++++++++++++
 arch/powerpc/lib/Makefile               | 10 +++++
 6 files changed, 203 insertions(+)
 create mode 100644 arch/powerpc/cpu/mpc5xxx/spl_boot.c
 create mode 100644 arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds
 create mode 100644 arch/powerpc/include/asm/spl.h

diff --git a/arch/powerpc/cpu/mpc5xxx/Makefile b/arch/powerpc/cpu/mpc5xxx/Makefile
index 1a088b7..8de2c13 100644
--- a/arch/powerpc/cpu/mpc5xxx/Makefile
+++ b/arch/powerpc/cpu/mpc5xxx/Makefile
@@ -41,6 +41,10 @@ COBJS-y += speed.o
 COBJS-$(CONFIG_CMD_USB) += usb_ohci.o
 COBJS-$(CONFIG_CMD_USB) += usb.o
 
+ifdef CONFIG_SPL_BUILD
+COBJS-y += spl_boot.o
+endif
+
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS-y))
 START	:= $(addprefix $(obj),$(SSTART) $(CSTART))
diff --git a/arch/powerpc/cpu/mpc5xxx/spl_boot.c b/arch/powerpc/cpu/mpc5xxx/spl_boot.c
new file mode 100644
index 0000000..9f14127
--- /dev/null
+++ b/arch/powerpc/cpu/mpc5xxx/spl_boot.c
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 Stefan Roese <sr@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Needed to align size SPL image to a 4-byte length
+ */
+u32 end_align __attribute__ ((section(".end_align")));
+
+/*
+ * Return selected boot device. On MPC5200 its only NOR flash right now.
+ */
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_NOR;
+}
+
+/*
+ * SPL version of board_init_f()
+ */
+void board_init_f(ulong bootflag)
+{
+	end_align = (u32)__spl_flash_end;
+
+	/*
+	 * First we need to initialize the SDRAM, so that the real
+	 * U-Boot or the OS (Linux) can be loaded
+	 */
+	initdram(0);
+
+	/* Clear bss */
+	memset(__bss_start, '\0', __bss_end__ - __bss_start);
+
+	/*
+	 * Init global_data pointer. Has to be done before calling
+	 * get_clocks(), as it stores some clock values into gd needed
+	 * later on in the serial driver.
+	 */
+	/* Pointer is writable since we allocated a register for it */
+	gd = (gd_t *)(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET);
+	/* Clear initial global data */
+	memset((void *)gd, 0, sizeof(gd_t));
+
+	/*
+	 * get_clocks() needs to be called so that the serial driver
+	 * works correctly
+	 */
+	get_clocks();
+
+	/*
+	 * Do rudimental console / serial setup
+	 */
+	preloader_console_init();
+
+	/*
+	 * Call board_init_r() (SPL framework version) to load and boot
+	 * real U-Boot or OS
+	 */
+	board_init_r(NULL, 0);
+	/* Does not return!!! */
+}
diff --git a/arch/powerpc/cpu/mpc5xxx/start.S b/arch/powerpc/cpu/mpc5xxx/start.S
index 51cc4e2..ad5bc0a 100644
--- a/arch/powerpc/cpu/mpc5xxx/start.S
+++ b/arch/powerpc/cpu/mpc5xxx/start.S
@@ -50,6 +50,7 @@
 #define MSR_KERNEL (MSR_FP|MSR_ME|MSR_RI)
 #endif
 
+#ifndef CONFIG_SPL_BUILD
 /*
  * Set up GOT: Global Offset Table
  *
@@ -68,6 +69,7 @@
 	GOT_ENTRY(__bss_end__)
 	GOT_ENTRY(__bss_start)
 	END_GOT
+#endif
 
 /*
  * Version string
@@ -84,6 +86,18 @@ version_string:
 	. = EXC_OFF_SYS_RESET
 	.globl	_start
 _start:
+
+#if defined(CONFIG_SPL) && !defined(CONFIG_SPL_BUILD)
+	/*
+	 * This is the entry of the real U-Boot from a board port
+	 * that supports SPL booting on the MPC5200. We only need
+	 * to call board_init_f() here. Everything else has already
+	 * been done in the SPL u-boot version.
+	 */
+	GET_GOT			/* initialize GOT access		*/
+	bl	board_init_f	/* run 1st part of board init code (in Flash)*/
+	/* NOTREACHED - board_init_f() does not return */
+#else
 	mfmsr	r5			/* save msr contents		*/
 
 	/* Move CSBoot and adjust instruction pointer                   */
@@ -152,7 +166,9 @@ lowboot_reentry:
 	/* Be careful to keep code relocatable !			*/
 	/*--------------------------------------------------------------*/
 
+#ifndef CONFIG_SPL_BUILD
 	GET_GOT			/* initialize GOT access		*/
+#endif
 
 	/* r3: IMMR */
 	bl	cpu_init_f	/* run low-level CPU init code (in Flash)*/
@@ -160,7 +176,9 @@ lowboot_reentry:
 	bl	board_init_f	/* run 1st part of board init code (in Flash)*/
 
 	/* NOTREACHED - board_init_f() does not return */
+#endif
 
+#ifndef CONFIG_SPL_BUILD
 /*
  * Vector Table
  */
@@ -333,6 +351,7 @@ int_return:
 	lwz	r1,GPR1(r1)
 	SYNC
 	rfi
+#endif /* CONFIG_SPL_BUILD */
 
 /*
  * This code initialises the MPC5xxx processor core
@@ -522,6 +541,7 @@ get_pvr:
 	mfspr	r3, PVR
 	blr
 
+#ifndef CONFIG_SPL_BUILD
 /*------------------------------------------------------------------------------*/
 
 /*
@@ -759,3 +779,5 @@ trap_init:
 
 	mtlr	r4			/* restore link register    */
 	blr
+
+#endif /* CONFIG_SPL_BUILD */
diff --git a/arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds b/arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds
new file mode 100644
index 0000000..cab9b92
--- /dev/null
+++ b/arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+MEMORY
+{
+	sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR,
+		LENGTH = CONFIG_SPL_BSS_MAX_SIZE
+	flash : ORIGIN = CONFIG_SPL_TEXT_BASE,
+		LENGTH = CONFIG_SYS_SPL_MAX_LEN
+}
+
+OUTPUT_ARCH(powerpc)
+ENTRY(_start)
+SECTIONS
+{
+	.text :
+	{
+		__start = .;
+		arch/powerpc/cpu/mpc5xxx/start.o	(.text)
+		*(.text*)
+	} > flash
+
+	. = ALIGN(4);
+	.data : { *(SORT_BY_ALIGNMENT(.data*)) } > flash
+
+	. = ALIGN(4);
+	.rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } > flash
+
+	. = ALIGN(4);
+	.end_align : { *(.end_align*) } > flash
+	__spl_flash_end = .;
+
+	.bss :
+	{
+		. = ALIGN(4);
+		__bss_start = .;
+		*(.bss*)
+		. = ALIGN(4);
+		__bss_end__ = .;
+	} > sdram
+}
diff --git a/arch/powerpc/include/asm/spl.h b/arch/powerpc/include/asm/spl.h
new file mode 100644
index 0000000..f43bc23
--- /dev/null
+++ b/arch/powerpc/include/asm/spl.h
@@ -0,0 +1,31 @@
+/*
+ * (C) Copyright 2012
+ * Texas Instruments, <www.ti.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#ifndef	_ASM_SPL_H_
+#define	_ASM_SPL_H_
+
+#define BOOT_DEVICE_NOR		1
+
+/* Linker symbols */
+extern char __bss_start[], __bss_end__[];
+
+#endif
diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index 1beecf6..fa62835 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -44,7 +44,9 @@ SOBJS-y	+= ticks.o
 SOBJS-y	+= reloc.o
 
 COBJS-$(CONFIG_BAT_RW) += bat_rw.o
+ifndef CONFIG_SPL_BUILD
 COBJS-y	+= board.o
+endif
 COBJS-y	+= bootm.o
 COBJS-y	+= cache.o
 COBJS-y	+= extable.o
@@ -53,6 +55,11 @@ COBJS-$(CONFIG_CMD_KGDB) += kgdb.o
 COBJS-${CONFIG_CMD_IDE} += ide.o
 COBJS-y	+= time.o
 
+# Don't include the MPC5xxx special memcpy into the
+# SPL U-Boot image. memcpy is used in the SPL NOR
+# flash driver. And we need the real, fast memcpy
+# here. We have no problems with unaligned access.
+ifndef CONFIG_SPL_BUILD
 # Workaround for local bus unaligned access problems
 # on MPC512x and MPC5200
 ifdef CONFIG_MPC512X
@@ -63,6 +70,7 @@ ifdef CONFIG_MPC5200
 $(obj)ppcstring.o: AFLAGS += -Dmemcpy=__memcpy
 COBJS-y += memcpy_mpc5200.o
 endif
+endif
 
 ifdef CONFIG_SPL_BUILD
 COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
@@ -79,12 +87,14 @@ TARGETS += $(LIB)
 all: $(TARGETS)
 
 $(LIB):	$(obj).depend $(OBJS)
+ifndef CONFIG_SPL_BUILD
 	@if ! $(CROSS_COMPILE)readelf -S $(OBJS) | grep -q '\.fixup.*PROGBITS';\
 	then \
 		echo "ERROR: Your compiler doesn't generate .fixup sections!";\
 		echo "       Upgrade to a recent toolchain."; \
 		exit 1; \
 	fi;
+endif
 	$(call cmd_link_o_target, $(OBJS))
 
 $(LIBGCC): $(obj).depend $(LGOBJS)
-- 
1.8.0

[U-Boot] [PATCH v5 5/7] mpc5200: Add a3m071 board support

[Stefan Roese]

This patch adds support for the a3m071 board based on the
MPC5200.

Signed-off-by: Stefan Roese <sr@denx.de>
---
Changes in v5:
- Remove some unneeded defines from a3m071.h (e.g. LIME related)
- Configure PCS2 not for SPI as default

Changes in v4:
- Add remark to call "fdt chosen" to board/a3m071/README
- Configure PCS2 as CODEC2 (SPI)

Changes in v2:
- Rebased on Tom's SPL framework patches v4
- a3m071 build: Concat SPL binary and u-boot.img directly (no padding)

 MAINTAINERS                  |   2 +
 board/a3m071/Makefile        |  36 ++++
 board/a3m071/README          |  80 +++++++++
 board/a3m071/a3m071.c        | 335 ++++++++++++++++++++++++++++++++++++++
 board/a3m071/mt46v16m16-75.h |  32 ++++
 boards.cfg                   |   1 +
 include/configs/a3m071.h     | 380 +++++++++++++++++++++++++++++++++++++++++++
 7 files changed, 866 insertions(+)
 create mode 100644 board/a3m071/Makefile
 create mode 100644 board/a3m071/README
 create mode 100644 board/a3m071/a3m071.c
 create mode 100644 board/a3m071/mt46v16m16-75.h
 create mode 100644 include/configs/a3m071.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 1b2da94..3ff9bc3 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -393,6 +393,8 @@ Ricardo Ribalda <ricardo.ribalda@uam.es>
 
 Stefan Roese <sr@denx.de>
 
+	a3m071		MPC5200
+
 	P3M7448		MPC7448
 
 	uc100		MPC857
diff --git a/board/a3m071/Makefile b/board/a3m071/Makefile
new file mode 100644
index 0000000..6f961fb
--- /dev/null
+++ b/board/a3m071/Makefile
@@ -0,0 +1,36 @@
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).o
+
+COBJS	:= $(BOARD).o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/a3m071/README b/board/a3m071/README
new file mode 100644
index 0000000..7698614
--- /dev/null
+++ b/board/a3m071/README
@@ -0,0 +1,80 @@
+------------------------------------------------------------------------
+A3M071 board support
+------------------------------------------------------------------------
+
+
+SPL NOR flash support:
+----------------------
+To boot fast into the OS (Linux), this board port integrates the SPL
+framework. This means, that a special, stripped-down version of
+U-Boot runs in the beginning. In the case of the A3M071 board, this
+SPL U-Boot version is less than 16 KiB big. This SPL U-Boot can either
+boot the OS (Linux) or a "real", full-blown U-Boot. This detection
+on whether to boot Linux or U-Boot is done by using the "boot_os"
+environment variable. If "boot_os" is set to "yes", Linux will be
+loaded and booted from the SPL U-Boot version. Otherwise, the
+full-blown U-Boot version will be loaded and run.
+
+Enabling Linux booting:
+-----------------------
+From U-Boot:
+=> setenv boot_os yes
+=> saveenv
+
+From Linux:
+$ fw_setenv boot_os yes
+
+Enabling U-Boot booting:
+------------------------
+From U-Boot:
+=> setenv boot_os no
+=> saveenv
+
+From Linux:
+$ fw_setenv boot_os no
+
+
+Preparing Linux image(s) for booting from SPL U-Boot:
+-----------------------------------------------------
+To boot the Linux kernel from the SPL, the DT blob (fdt) needs to get
+prepard/patched first. U-Boot usually inserts some dynamic values into
+the DT binary (blob), e.g. autodetected memory size, MAC addresses,
+clocks speeds etc. To generate this patched DT blob, you can use
+the following command:
+
+1. Load fdt blob to SDRAM:
+=> tftp 1800000 a3m071/a3m071.dtb
+
+2. Set bootargs as desired for Linux booting (e.g. flash_mtd):
+=> run mtdargs addip2 addtty
+
+3. Use "fdt" commands to patch the DT blob:
+=> fdt addr 1800000
+=> fdt boardsetup
+=> fdt chosen
+
+4. Display patched DT blob (optional):
+=> fdt print
+
+5. Save fdt to NOR flash:
+=> erase fc060000 fc07ffff
+=> cp.b 1800000 fc060000 10000
+
+All this can be integrated into an environment command:
+=> setenv upd_fdt 'tftp 1800000 a3m071/a3m071.dtb;run mtdargs addip2 addtty; \
+	fdt addr 1800000;fdt boardsetup;erase fc060000 fc07ffff; \
+	cp.b 1800000 fc060000 10000'
+=> saveenv
+
+After this, only "run upd_fdt" needs to get called to load, patch
+and save the DT blob into NOR flash.
+
+Additionally, the Linux kernel image has to be saved uncompressed in
+its uImage file (and not gzip compressed). This can be done with this
+command:
+
+$ mkimage -A ppc -O linux -T kernel -C none -a 0 -e 0 \
+	-n "Linux Kernel Image" -d vmlinux.bin uImage.uncompressed
+
+------------------------------------------------------------------------
+Stefan Roese, 2012-08-23
diff --git a/board/a3m071/a3m071.c b/board/a3m071/a3m071.c
new file mode 100644
index 0000000..89ced82
--- /dev/null
+++ b/board/a3m071/a3m071.c
@@ -0,0 +1,335 @@
+/*
+ * (C) Copyright 2003-2004
+ * Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas at motorola.com.
+ *
+ * (C) Copyright 2006
+ * MicroSys GmbH
+ *
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+#include <miiphy.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+
+#include "mt46v16m16-75.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if !defined(CONFIG_SYS_RAMBOOT) && \
+	(defined(CONFIG_SPL) && defined(CONFIG_SPL_BUILD))
+static void sdram_start(int hi_addr)
+{
+	long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+	long control = SDRAM_CONTROL | hi_addr_bit;
+
+	/* unlock mode register */
+	out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000000);
+
+	/* precharge all banks */
+	out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
+
+#ifdef SDRAM_DDR
+	/* set mode register: extended mode */
+	out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_EMODE);
+
+	/* set mode register: reset DLL */
+	out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE | 0x04000000);
+#endif
+
+	/* precharge all banks */
+	out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000002);
+
+	/* auto refresh */
+	out_be32((void *)MPC5XXX_SDRAM_CTRL, control | 0x80000004);
+
+	/* set mode register */
+	out_be32((void *)MPC5XXX_SDRAM_MODE, SDRAM_MODE);
+
+	/* normal operation */
+	out_be32((void *)MPC5XXX_SDRAM_CTRL, control);
+}
+#endif
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CONFIG_SYS_SDRAM_BASE. The code does not work if
+ * CONFIG_SYS_SDRAM_BASE is something else than 0x00000000.
+ */
+phys_size_t initdram(int board_type)
+{
+	ulong dramsize = 0;
+	ulong dramsize2 = 0;
+	uint svr, pvr;
+#if !defined(CONFIG_SYS_RAMBOOT) && \
+	(defined(CONFIG_SPL) && defined(CONFIG_SPL_BUILD))
+	ulong test1, test2;
+
+	/* setup SDRAM chip selects */
+	out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0x0000001e);	/* 2GB at 0x0 */
+	out_be32((void *)MPC5XXX_SDRAM_CS1CFG, 0x80000000);	/* disabled */
+
+	/* setup config registers */
+	out_be32((void *)MPC5XXX_SDRAM_CONFIG1, SDRAM_CONFIG1);
+	out_be32((void *)MPC5XXX_SDRAM_CONFIG2, SDRAM_CONFIG2);
+
+#ifdef SDRAM_DDR
+	/* set tap delay */
+	out_be32((void *)MPC5XXX_CDM_PORCFG, SDRAM_TAPDELAY);
+#endif
+
+	/* find RAM size using SDRAM CS0 only */
+	sdram_start(0);
+	test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
+	sdram_start(1);
+	test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
+	if (test1 > test2) {
+		sdram_start(0);
+		dramsize = test1;
+	} else {
+		dramsize = test2;
+	}
+
+	/* memory smaller than 1MB is impossible */
+	if (dramsize < (1 << 20))
+		dramsize = 0;
+
+	/* set SDRAM CS0 size according to the amount of RAM found */
+	if (dramsize > 0) {
+		out_be32((void *)MPC5XXX_SDRAM_CS0CFG,
+			 0x13 + __builtin_ffs(dramsize >> 20) - 1);
+	} else {
+		out_be32((void *)MPC5XXX_SDRAM_CS0CFG, 0);	/* disabled */
+	}
+#else /* CONFIG_SYS_RAMBOOT */
+
+	/* retrieve size of memory connected to SDRAM CS0 */
+	dramsize = in_be32((void *)MPC5XXX_SDRAM_CS0CFG) & 0xFF;
+	if (dramsize >= 0x13)
+		dramsize = (1 << (dramsize - 0x13)) << 20;
+	else
+		dramsize = 0;
+
+	/* retrieve size of memory connected to SDRAM CS1 */
+	dramsize2 = in_be32((void *)MPC5XXX_SDRAM_CS1CFG) & 0xFF;
+	if (dramsize2 >= 0x13)
+		dramsize2 = (1 << (dramsize2 - 0x13)) << 20;
+	else
+		dramsize2 = 0;
+
+#endif /* CONFIG_SYS_RAMBOOT */
+
+	/*
+	 * On MPC5200B we need to set the special configuration delay in the
+	 * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
+	 * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
+	 *
+	 * "The SDelay should be written to a value of 0x00000004. It is
+	 * required to account for changes caused by normal wafer processing
+	 * parameters."
+	 */
+	svr = get_svr();
+	pvr = get_pvr();
+	if ((SVR_MJREV(svr) >= 2) && (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4))
+		out_be32((void *)MPC5XXX_SDRAM_SDELAY, 0x04);
+
+	return dramsize + dramsize2;
+}
+
+static void get_revisions(int *failsavelevel, int *digiboardversion,
+	int *fpgaversion)
+{
+	struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+	u8 val;
+
+	/*
+	 * Figure out failsavelevel
+	 * see ticket dsvk#59
+	 */
+	*failsavelevel = 0;	/* 0=failsave, 1=board ok, 2=fpga ok */
+
+	/* read digitalboard-version from TMR[2..4] */
+	val = 0;
+	val |= (gpt->gpt2.sr & (1 << (31 - 23))) ? (1) : 0;
+	val |= (gpt->gpt3.sr & (1 << (31 - 23))) ? (1 << 1) : 0;
+	val |= (gpt->gpt4.sr & (1 << (31 - 23))) ? (1 << 2) : 0;
+	*digiboardversion = val;
+
+	if (*digiboardversion == 0) {
+		*failsavelevel = 1;	/* digiboard-version ok */
+
+		/* read fpga-version from TMR[5..7] */
+		val = 0;
+		val |= (gpt->gpt5.sr & (1 << (31 - 23))) ? (1) : 0;
+		val |= (gpt->gpt6.sr & (1 << (31 - 23))) ? (1 << 1) : 0;
+		val |= (gpt->gpt7.sr & (1 << (31 - 23))) ? (1 << 2) : 0;
+		*fpgaversion = val;
+
+		if (*fpgaversion == 1)
+			*failsavelevel = 2;	/* fpga-version ok */
+	}
+}
+
+/*
+ * This function is called from the SPL U-Boot version for
+ * early init stuff, that needs to be done for OS (e.g. Linux)
+ * booting. Doing it later in the real U-Boot would not work
+ * in case that the SPL U-Boot boots Linux directly.
+ */
+void spl_board_init(void)
+{
+	struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+	struct mpc5xxx_mmap_ctl *mm =
+		(struct mpc5xxx_mmap_ctl *)CONFIG_SYS_MBAR;
+	int digiboardversion;
+	int failsavelevel;
+	int fpgaversion;
+	u32 val;
+
+	get_revisions(&failsavelevel, &digiboardversion, &fpgaversion);
+
+	val = in_be32(&mm->ipbi_ws_ctrl);
+
+	/* first clear bits 19..21 (CS3...5) */
+	val &= ~((1 << 19) | (1 << 20) | (1 << 21));
+	if (failsavelevel == 2) {
+		/* FPGA ok */
+		val |= (1 << 19) | (1 << 21);
+	}
+
+	if (failsavelevel >= 1) {
+		/* at least digiboard-version ok */
+		val |= (1 << 20);
+	}
+
+	/* And write new value back to register */
+	out_be32(&mm->ipbi_ws_ctrl, val);
+
+	/*
+	 * No need to change the pin multiplexing (MPC5XXX_GPS_PORT_CONFIG)
+	 * as all 3 config versions (failsave level) have the same setup.
+	 */
+
+	/*
+	 * Setup gpio_wkup_7 as watchdog AS INPUT to disable it - see
+	 * ticket #60
+	 *
+	 * MPC5XXX_WU_GPIO_DIR direction is already 0 (INPUT)
+	 * set bit 0(msb) to 1
+	 */
+	setbits_be32((void *)MPC5XXX_WU_GPIO_ENABLE, 1 << (31 - 0));
+
+	/* setup GPIOs for status-leds if needed - see ticket #57 */
+	if (failsavelevel > 0) {
+		/* digiboard-version is OK */
+		/* LED is LOW ACTIVE - so deactivate by set output to 1 */
+		gpio->simple_dvo |= 1 << (31 - 12);
+		gpio->simple_dvo |= 1 << (31 - 13);
+		/* set GPIO direction to output */
+		gpio->simple_ddr |= 1 << (31 - 12);
+		gpio->simple_ddr |= 1 << (31 - 13);
+		/* open drain config is set to "normal output"@reset */
+		/* gpio->simple_ode &=~ ( 1 << (31-12) ); */
+		/* gpio->simple_ode &=~ ( 1 << (31-13) ); */
+		/* enable as GPIO */
+		gpio->simple_gpioe |= 1 << (31 - 12);
+		gpio->simple_gpioe |= 1 << (31 - 13);
+	}
+
+	/* setup fpga irq - see ticket #65 */
+	if (failsavelevel > 1) {
+		/*
+		 * The main irq initialisation is done in interrupts.c
+		 * mpc5xxx_init_irq
+		 */
+		struct mpc5xxx_intr *intr =
+		    (struct mpc5xxx_intr *)(MPC5XXX_ICTL);
+
+		setbits_be32(&intr->ctrl, 0x08C01801);
+
+		/*
+		 * The MBAR+0x0524 Bit 21:23 CSe are ignored here due to the
+		 * already cleared (intr_ctrl) MBAR+0x0510 ECLR[0] bit above
+		 */
+	}
+
+}
+
+int checkboard(void)
+{
+	int digiboardversion;
+	int failsavelevel;
+	int fpgaversion;
+
+	get_revisions(&failsavelevel, &digiboardversion, &fpgaversion);
+
+	puts("Board: A3M071\n");
+	printf("Rev:   failsave level       %u\n", failsavelevel);
+	printf("       digiboard IO version %u\n", digiboardversion);
+	if (failsavelevel > 0)	/* only if fpga-version red */
+		printf("       fpga IO version      %u\n", fpgaversion);
+
+	return 0;
+}
+
+/* miscellaneous platform dependent initialisations */
+int misc_init_r(void)
+{
+	/* adjust flash start and offset to detected values */
+	gd->bd->bi_flashstart = flash_info[0].start[0];
+	gd->bd->bi_flashoffset = 0;
+
+	/* adjust mapping */
+	out_be32((void *)MPC5XXX_BOOTCS_START,
+		 START_REG(gd->bd->bi_flashstart));
+	out_be32((void *)MPC5XXX_CS0_START, START_REG(gd->bd->bi_flashstart));
+	out_be32((void *)MPC5XXX_BOOTCS_STOP,
+		 STOP_REG(gd->bd->bi_flashstart, gd->bd->bi_flashsize));
+	out_be32((void *)MPC5XXX_CS0_STOP,
+		 STOP_REG(gd->bd->bi_flashstart, gd->bd->bi_flashsize));
+
+	return 0;
+}
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t * bd)
+{
+	ft_cpu_setup(blob, bd);
+}
+#endif /* defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) */
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * A3M071 specific implementation of spl_start_uboot()
+ *
+ * RETURN
+ * 0 if booting into OS is selected (default)
+ * 1 if booting into U-Boot is selected
+ */
+int spl_start_uboot(void)
+{
+	char s[8];
+
+	env_init();
+	getenv_f("boot_os", s, sizeof(s));
+	if ((s != NULL) && (strcmp(s, "yes") == 0))
+		return 0;
+
+	return 1;
+}
+#endif
diff --git a/board/a3m071/mt46v16m16-75.h b/board/a3m071/mt46v16m16-75.h
new file mode 100644
index 0000000..e49e996
--- /dev/null
+++ b/board/a3m071/mt46v16m16-75.h
@@ -0,0 +1,32 @@
+/*
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas at motorola.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#define SDRAM_DDR		/* is DDR */
+
+#if defined(CONFIG_MPC5200)
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE	0x018D0000
+#define SDRAM_EMODE	0x40090000
+#define SDRAM_CONTROL	0x704f0f00
+#define SDRAM_CONFIG1	0x73722930
+#define SDRAM_CONFIG2	0x47770000
+#define SDRAM_TAPDELAY	0x10000000
+
+#else
+#error CONFIG_MPC5200 not defined
+#endif
diff --git a/boards.cfg b/boards.cfg
index 3e19647..ada6c63 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -458,6 +458,7 @@ mpc5121ads                   powerpc     mpc512x     mpc5121ads          freesca
 mpc5121ads_rev2              powerpc     mpc512x     mpc5121ads          freescale      -           mpc5121ads:MPC5121ADS_REV2
 cmi_mpc5xx                   powerpc     mpc5xx      cmi
 PATI                         powerpc     mpc5xx      pati                mpl
+a3m071                       powerpc     mpc5xxx     a3m071
 a4m072                       powerpc     mpc5xxx     a4m072
 BC3450                       powerpc     mpc5xxx     bc3450
 canmb                        powerpc     mpc5xxx
diff --git a/include/configs/a3m071.h b/include/configs/a3m071.h
new file mode 100644
index 0000000..df3b4ae
--- /dev/null
+++ b/include/configs/a3m071.h
@@ -0,0 +1,380 @@
+/*
+ * Copyright 2012 Stefan Roese <sr@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * High Level Configuration Options
+ * (easy to change)
+ */
+
+#define CONFIG_MPC5200
+#define CONFIG_MPC5xxx		1	/* This is an MPC5xxx CPU */
+#define CONFIG_A3M071			/* ... on A3M071 board */
+#define CONFIG_MPC5200_DDR		/* ... use DDR RAM	*/
+
+#define	CONFIG_SYS_TEXT_BASE	0x01000000	/* boot low for 32 MiB boards */
+
+#define CONFIG_SYS_MPC5XXX_CLKIN	33000000 /* ... running at 33MHz */
+
+#define CONFIG_MISC_INIT_R
+#define CONFIG_SYS_LOWBOOT		/* Enable lowboot	*/
+
+/*
+ * Serial console configuration
+ */
+#define CONFIG_PSC_CONSOLE	1	    /* console is on PSC1 */
+#define CONFIG_BAUDRATE		115200	/* ... at 115200 bps */
+#define CONFIG_SYS_BAUDRATE_TABLE		\
+	{ 9600, 19200, 38400, 57600, 115200, 230400 }
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_BSP
+#define CONFIG_CMD_CACHE
+#define CONFIG_CMD_DATE
+#define CONFIG_CMD_EEPROM
+#define CONFIG_CMD_I2C
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_REGINFO
+
+/*
+ * IPB Bus clocking configuration.
+ */
+#define CONFIG_SYS_IPBCLK_EQUALS_XLBCLK		/* define for 133MHz speed */
+/* define for 66MHz speed - undef for 33MHz PCI clock speed */
+#undef CONFIG_SYS_PCICLK_EQUALS_IPBCLK_DIV2
+
+/* pass open firmware flat tree */
+#define CONFIG_OF_LIBFDT
+#define CONFIG_OF_BOARD_SETUP
+
+/* maximum size of the flat tree (8K) */
+#define OF_FLAT_TREE_MAX_SIZE	8192
+
+#define OF_CPU			"PowerPC,5200 at 0"
+#define OF_SOC			"soc5200 at f0000000"
+#define OF_TBCLK		(bd->bi_busfreq / 4)
+#define OF_STDOUT_PATH		"/soc5200 at f0000000/serial at 2000"
+
+/*
+ * I2C configuration
+ */
+#define CONFIG_HARD_I2C				/* I2C with hardware support */
+#define CONFIG_SYS_I2C_MODULE		2	/* Select I2C module #1 or #2 */
+
+#define CONFIG_SYS_I2C_SPEED		100000 /* 100 kHz */
+#define CONFIG_SYS_I2C_SLAVE		0x7F
+
+/*
+ * EEPROM configuration
+ */
+#define CONFIG_SYS_I2C_EEPROM_ADDR		0x53
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		2
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	6
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	10
+
+/*
+ * RTC configuration
+ */
+#define CONFIG_RTC_PCF8563
+#define CONFIG_SYS_I2C_RTC_ADDR		0x51
+
+/*
+ * NOR flash configuration
+ */
+#define CONFIG_SYS_FLASH_BASE		0xfc000000
+#define CONFIG_SYS_FLASH_SIZE		0x01000000
+#define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + 0x40000)
+
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#define CONFIG_SYS_MAX_FLASH_SECT	256
+#define CONFIG_SYS_FLASH_ERASE_TOUT	240000
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500
+#define CONFIG_SYS_FLASH_LOCK_TOUT	5
+#define CONFIG_SYS_FLASH_UNLOCK_TOUT	10000
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_FLASH_CFI_DRIVER
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+
+/*
+ * Environment settings
+ */
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_SIZE		0x10000
+#define CONFIG_ENV_SECT_SIZE	0x20000
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * Memory map
+ */
+#define CONFIG_SYS_MBAR			0xf0000000
+#define CONFIG_SYS_SDRAM_BASE		0x00000000
+#define CONFIG_SYS_DEFAULT_MBAR		0x80000000
+
+/* Use SRAM until RAM will be available */
+#define CONFIG_SYS_INIT_RAM_ADDR	MPC5XXX_SRAM
+#define CONFIG_SYS_INIT_RAM_END		MPC5XXX_SRAM_SIZE
+
+
+#define CONFIG_SYS_GBL_DATA_SIZE	128
+#define CONFIG_SYS_GBL_DATA_OFFSET	(CONFIG_SYS_INIT_RAM_END - \
+					 CONFIG_SYS_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_GBL_DATA_OFFSET
+
+#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
+
+#define CONFIG_SYS_MONITOR_LEN		(256 << 10)
+#define CONFIG_SYS_MALLOC_LEN		(1 << 20)
+#define CONFIG_SYS_BOOTMAPSZ		(8 << 20)
+
+/*
+ * Ethernet configuration
+ */
+#define CONFIG_MPC5xxx_FEC
+#define CONFIG_MPC5xxx_FEC_MII100
+#define CONFIG_PHY_ADDR			0x00
+
+/*
+ * GPIO configuration
+ */
+
+/*
+ * GPIO-config depends on failsave-level
+ * failsave 0 means just MPX-config, no digiboard, no fpga
+ *          1 means digiboard ok
+ *          2 means fpga ok
+ */
+
+/* for failsave-level 0 - full failsave */
+#define CONFIG_SYS_GPS_PORT_CONFIG	0x1005C005
+/* for failsave-level 1 - only digiboard ok */
+#define CONFIG_SYS_GPS_PORT_CONFIG_1	0x1005C005
+/* for failsave-level 2 - all ok */
+#define CONFIG_SYS_GPS_PORT_CONFIG_2	0x1005C005
+
+/*
+ * Configuration matrix
+ *                        MSB                          LSB
+ * failsave 0  0x1005C005  00010000000001011100000001100101  ( full failsave )
+ * failsave 1  0x1005C005  00010000000001011100000001100101  ( digib.-ver ok )
+ * failsave 2  0x1005C005  00010000000001011100000001100101  ( all ok )
+ *                         || ||| ||  |   ||| |   |   |   |
+ *                         || ||| ||  |   ||| |   |   |   |  bit rev name
+ *                         ++-+++-++--+---+++-+---+---+---+-  0   31 CS1
+ *                          +-+++-++--+---+++-+---+---+---+-  1   30 LPTZ
+ *                            ||| ||  |   ||| |   |   |   |   2   29 ALTs
+ *                            +++-++--+---+++-+---+---+---+-  3   28 ALTs
+ *                             ++-++--+---+++-+---+---+---+-  4   27 CS7
+ *                              +-++--+---+++-+---+---+---+-  5   26 CS6
+ *                                ||  |   ||| |   |   |   |   6   25 ATA
+ *                                ++--+---+++-+---+---+---+-  7   24 ATA
+ *                                 +--+---+++-+---+---+---+-  8   23 IR_USB_CLK
+ *                                    |   ||| |   |   |   |   9   22 IRDA
+ *                                    |   ||| |   |   |   |  10   21 IRDA
+ *                                    +---+++-+---+---+---+- 11   20 IRDA
+ *                                        ||| |   |   |   |  12   19 Ether
+ *                                        ||| |   |   |   |  13   18 Ether
+ *                                        ||| |   |   |   |  14   17 Ether
+ *                                        +++-+---+---+---+- 15   16 Ether
+ *                                         ++-+---+---+---+- 16   15 PCI_DIS
+ *                                          +-+---+---+---+- 17   14 USB_SE
+ *                                            |   |   |   |  18   13 USB
+ *                                            +---+---+---+- 19   12 USB
+ *                                                |   |   |  20   11 PSC3
+ *                                                |   |   |  21   10 PSC3
+ *                                                |   |   |  22    9 PSC3
+ *                                                +---+---+- 23    8 PSC3
+ *                                                    |   |  24    7 -
+ *                                                    |   |  25    6 PSC2
+ *                                                    |   |  26    5 PSC2
+ *                                                    +---+- 27    4 PSC2
+ *                                                        |  28    3 -
+ *                                                        |  29    2 PSC1
+ *                                                        |  30    1 PSC1
+ *                                                        +- 31    0 PSC1
+ */
+
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_SYS_PROMPT		"=> "
+
+#define CONFIG_CMDLINE_EDITING
+#define	CONFIG_SYS_HUSH_PARSER
+#define	CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+
+#if defined(CONFIG_CMD_KGDB)
+#define CONFIG_SYS_CBSIZE		1024
+#else
+#define CONFIG_SYS_CBSIZE		256
+#endif
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_MEMTEST_START	0x00100000
+#define CONFIG_SYS_MEMTEST_END		0x00f00000
+
+#define CONFIG_SYS_LOAD_ADDR		0x00100000
+
+#define CONFIG_SYS_HZ			1000
+#define CONFIG_LOOPW
+#define CONFIG_SYS_CONSOLE_INFO_QUIET	/* don't print console @ startup*/
+
+/*
+ * Various low-level settings
+ */
+#define CONFIG_SYS_HID0_INIT		(HID0_ICE | HID0_ICFI)
+#define CONFIG_SYS_HID0_FINAL		HID0_ICE
+
+#define CONFIG_SYS_BOOTCS_START		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_BOOTCS_SIZE		CONFIG_SYS_FLASH_SIZE
+#define CONFIG_SYS_CS0_START		CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_CS0_SIZE		CONFIG_SYS_FLASH_SIZE
+#define CONFIG_SYS_CS2_START		0xe0000000
+#define CONFIG_SYS_CS2_SIZE		0x00100000
+
+/* FPGA slave io (512kiB) - see ticket #66 */
+#define CONFIG_SYS_CS3_START		0xE9000000
+#define CONFIG_SYS_CS3_SIZE		0x00080000
+/* 00000000 00110010 1 0 1 1 10 01 00 00 0 0 0 0  = 0x0032B900 */
+#define CONFIG_SYS_CS3_CFG		0x0032B900
+
+/* Diagnosis Interface - see ticket #63 */
+#define CONFIG_SYS_CS4_START		0xEA000000
+#define CONFIG_SYS_CS4_SIZE		0x00000001
+/* 00000000 00000010 1 0 1 1 10 01 00 00 0 0 0 0  = 0x0002B900 */
+#define CONFIG_SYS_CS4_CFG		0x0002B900
+
+/* FPGA master io (64kiB) - see ticket #66 */
+#define CONFIG_SYS_CS5_START		0xE8000000
+#define CONFIG_SYS_CS5_SIZE		0x00010000
+/* 00000000 00110010 1 0 1 1 10 01 00 00 0 0 0 0  = 0x0032B900 */
+#define CONFIG_SYS_CS5_CFG		0x0032B900
+
+#ifdef CONFIG_SYS_PCICLK_EQUALS_IPBCLK_DIV2	/* for pci_clk  = 66 MHz */
+#define CONFIG_SYS_BOOTCS_CFG		0x0006F900
+#define CONFIG_SYS_CS1_CFG		0x0004FB00
+#define CONFIG_SYS_CS2_CFG		0x0006F90C
+#else	/* for pci_clk = 33 MHz */
+#define CONFIG_SYS_BOOTCS_CFG		0x0002F900
+#define CONFIG_SYS_CS1_CFG		0x0001FB00
+#define CONFIG_SYS_CS2_CFG		0x0002F90C
+#endif
+
+#define CONFIG_SYS_CS_BURST		0x00000000
+/* set DC for FPGA CS5 and CS3 to 0 - see ticket #66 */
+/* R  7  R  6  R  5  R  4  R  3  R  2  R  1  R  0  */
+/* 00 11 00 11 00 00 00 11 00 00 00 00 00 00 00 00 */
+#define CONFIG_SYS_CS_DEADCYCLE		0x33030000
+
+#define CONFIG_SYS_RESET_ADDRESS	0xff000000
+
+/*
+ * Environment Configuration
+ */
+
+#define CONFIG_BOOTDELAY	0	/* -1 disables auto-boot */
+#undef  CONFIG_BOOTARGS
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+
+#define CONFIG_PREBOOT	"echo;"	\
+	"echo Type \"run flash_mtd\" to boot from flash with mtd filesystem;" \
+	"echo Type \"run net_nfs\" to boot from tftp with nfs filesystem;" \
+	"echo"
+
+#undef	CONFIG_BOOTARGS
+
+#define CONFIG_SYS_OS_BASE	0xfc080000
+#define CONFIG_SYS_FDT_BASE	0xfc060000
+
+#define xstr(s)	str(s)
+#define str(s)	#s
+
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"netdev=eth0\0"							\
+	"verify=no\0"							\
+	"consoledev=ttyPSC0\0"						\
+	"nfsargs=setenv bootargs root=/dev/nfs rw "			\
+		"nfsroot=${serverip}:${rootpath}\0"			\
+	"ramargs=setenv bootargs root=/dev/ram rw\0"			\
+	"mtdargs=setenv bootargs root=/dev/mtdblock4 rw rootfstype=jffs2\0"\
+	"addip=setenv bootargs ${bootargs} "				\
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}"	\
+		":${hostname}:${netdev}:off panic=1\0"			\
+	"addtty=setenv bootargs ${bootargs} "				\
+		"console=${consoledev},${baudrate}\0"			\
+	"flash_nfs=run nfsargs addip addtty;"				\
+		"bootm ${kernel_addr} - ${fdtaddr}\0"			\
+	"flash_mtd=run mtdargs addip addtty;"				\
+		"bootm ${kernel_addr} - ${fdtaddr}\0"			\
+	"flash_self=run ramargs addip addtty;"				\
+		"bootm ${kernel_addr} ${ramdisk_addr} ${fdtaddr}\0"	\
+	"net_nfs=sleep 2; tftp ${loadaddr} ${bootfile};"		\
+		"tftp c00000 ${fdtfile};"				\
+		"run nfsargs addip addtty;"				\
+		"bootm ${loadaddr} - c00000\0"				\
+	"load=tftp ${loadaddr} u-boot.bin\0"				\
+	"update=protect off fc000000 fc03ffff; "			\
+		"era fc000000 fc03ffff; cp.b ${loadaddr} fc000000 40000\0"\
+	"upd=run load;run update\0"					\
+	"fdtaddr=" xstr(CONFIG_SYS_FDT_BASE) "\0"			\
+	"fdtfile=dtbFile\0"						\
+	"kernel_addr=" xstr(CONFIG_SYS_OS_BASE) "\0"			\
+	""
+
+#define CONFIG_BOOTCOMMAND	"run flash_mtd"
+
+/*
+ * SPL related defines
+ */
+#define CONFIG_SPL
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_NOR_SUPPORT
+#define CONFIG_SPL_TEXT_BASE	0xfc000000
+#define	CONFIG_SPL_START_S_PATH	"arch/powerpc/cpu/mpc5xxx"
+#define CONFIG_SPL_LDSCRIPT	"arch/powerpc/cpu/mpc5xxx/u-boot-spl.lds"
+#define CONFIG_SPL_LIBCOMMON_SUPPORT	/* image.c */
+#define CONFIG_SPL_LIBGENERIC_SUPPORT	/* string.c */
+#define CONFIG_SPL_SERIAL_SUPPORT
+
+/* Place BSS for SPL near end of SDRAM */
+#define CONFIG_SPL_BSS_START_ADDR	((128 - 1) << 20)
+#define CONFIG_SPL_BSS_MAX_SIZE		(64 << 10)
+
+#define CONFIG_SPL_OS_BOOT
+/* Place patched DT blob (fdt)@this address */
+#define CONFIG_SYS_SPL_ARGS_ADDR	0x01800000
+
+/* Settings for real U-Boot to be loaded from NOR flash */
+#ifndef __ASSEMBLY__
+extern char __spl_flash_end[];
+#endif
+#define CONFIG_SYS_UBOOT_BASE		__spl_flash_end
+#define CONFIG_SYS_SPL_MAX_LEN		(32 << 10)
+#define CONFIG_SYS_UBOOT_START		0x1000100
+
+#endif /* __CONFIG_H */
-- 
1.8.0

[U-Boot] [PATCH v5 6/7] Makefile: Add possibility to set entry-point for u-boot.img

[Stefan Roese]

This patch enabled boards using the SPL framework to set
an entry point in the U-Boot mkimage image "u-boot.img".
Until now the entry point in the header has been set to 0.
By setting CONFIG_SYS_UBOOT_START in the board header, boards
can override this default location.

This will be used by the upcoming a3m071 MPC5200 board port.

Signed-off-by: Stefan Roese <sr@denx.de>
---

 Makefile | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 328347d..280d7c0 100644
--- a/Makefile
+++ b/Makefile
@@ -444,9 +444,18 @@ $(obj)u-boot.ldr.hex:	$(obj)u-boot.ldr
 $(obj)u-boot.ldr.srec:	$(obj)u-boot.ldr
 		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
 
+#
+# U-Boot entry point, needed for booting of full-blown U-Boot
+# from the SPL U-Boot version.
+#
+ifndef CONFIG_SYS_UBOOT_START
+CONFIG_SYS_UBOOT_START := 0
+endif
+
 $(obj)u-boot.img:	$(obj)u-boot.bin
 		$(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
-		-O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
+		-O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
+		-e $(CONFIG_SYS_UBOOT_START) \
 		-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
 			sed -e 's/"[	 ]*$$/ for $(BOARD) board"/') \
 		-d $< $@
-- 
1.8.0

[U-Boot] [PATCH v5 7/7] Makefile: Add target for combined spl/u-boot.bin & u-boot.img

[Stefan Roese]

This new make target "u-boot-img.bin" consists of the U-Boot
SPL image with the real, full-blown U-Boot image directly
attached to it. The full-blown U-Boot image has the mkimage
header included, with its load-address and entry-point.

This will be used by the upcoming a3m071 MPC5200 board port.

Signed-off-by: Stefan Roese <sr@denx.de>

---
Changes in v4:
- Drop patch fdt: cmd_fdt: Call fdt_chosen() from "fdt boardsetup"

 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 280d7c0..d472060 100644
--- a/Makefile
+++ b/Makefile
@@ -536,6 +536,9 @@ $(obj)u-boot-nodtb-tegra.bin:	$(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
 endif
 endif
 
+$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
+		cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
+
 ifeq ($(CONFIG_SANDBOX),y)
 GEN_UBOOT = \
 		cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
-- 
1.8.0

[U-Boot] [PATCH v5 0/7] SPL: Port SPL framework to powerpc

[Tom Rini]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 10/23/12 01:28, Stefan Roese wrote:
> 
> This patchset ports the SPL framework to powerpc. Its based on the 
> SPL generalization lately done by Tom Rini. The patches is based on
> the current "master" branch.
> 
> Additionally, a new MPC5200 board port is included, the a3m071
> board port. This board port uses this SPL framework mainly to speed
> up booting into the OS (Linux of course). Detection of Linux vs.
> U-Boot booting is done here by checking the environment variable
> "boot_os". If "boot_os" is set to "yes", then the OS (Linux) is
> booted. Otherwise the "real" U-Boot is booted.
> 
> Tom, what do you think? I would really like to get this included
> now. Would you prefer if I would push this patch series into a git
> repo where you could pull from?

Andy, can you comment on this series as well?  I'm happy to pull it in
from patchwork, just want one more set of eyes on it.  Thanks!

- -- 
Tom

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[U-Boot] [PATCH v5 1/7] powerpc: Extract EPAPR_MAGIC constants into processor.h

[Tom Rini]

On Tue, Oct 23, 2012 at 10:28:29AM +0200, Stefan Roese wrote:

> By extracting these defines into a header, they can be re-used by other
> C sources as well. This will be done by the SPL framework OS boot
> support.
> 
> Signed-off-by: Stefan Roese <sr@denx.de>

release.S:354:0: warning: "EPAPR_MAGIC" redefined [enabled by default]
.../P2020RDB-PC_36BIT/include2/asm/processor.h:1346:0:
note: this is the location of the previous definition

Please fix, thanks!

-- 
Tom
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[U-Boot] [PATCH v5 1/7] powerpc: Extract EPAPR_MAGIC constants into processor.h

[Stefan Roese]

Hi Tom,

On 10/29/2012 09:55 PM, Tom Rini wrote:
> On Tue, Oct 23, 2012 at 10:28:29AM +0200, Stefan Roese wrote:
> 
>> By extracting these defines into a header, they can be re-used by other
>> C sources as well. This will be done by the SPL framework OS boot
>> support.
>>
>> Signed-off-by: Stefan Roese <sr@denx.de>
> 
> release.S:354:0: warning: "EPAPR_MAGIC" redefined [enabled by default]
> .../P2020RDB-PC_36BIT/include2/asm/processor.h:1346:0:
> note: this is the location of the previous definition
> 
> Please fix, thanks!

Yes, sorry. Will send a new version soon.

Thanks,
Stefan

[U-Boot] [PATCH v5 0/7] SPL: Port SPL framework to powerpc

[Anatolij Gustschin]

Hi,

On Tue, 23 Oct 2012 10:28:28 +0200
Stefan Roese <sr@denx.de> wrote:
...
> Stefan Roese (7):
>   powerpc: Extract EPAPR_MAGIC constants into processor.h
>   SPL: Port SPL framework to powerpc
>   env: Enable getenv_f() for SPL_BUILD
>   mpc5200: Add SPL support
>   mpc5200: Add a3m071 board support
>   Makefile: Add possibility to set entry-point for u-boot.img
>   Makefile: Add target for combined spl/u-boot.bin & u-boot.img

Applied this series to staging/agust at denx.de, rebased patch 7/7
when applying. Thanks!

Anatolij