On 21:42 Wed 06 Aug , Guennadi Liakhovetski wrote:
> SMDK6400 can only boot U-Boot from NAND-flash. This patch adds a nand_spl
> driver for it too. The board can also boot from the NOR flash, but due to
> hardware limitations it can only address 64KiB on it, which is not enough
> for U-Boot. Based on the original sources by Samsung for U-Boot 1.1.6.
>
> Signed-off-by: Guennadi Liakhovetski <[EMAIL PROTECTED]>
> ---
>
> Changes since v5: adjust the configuration to more precisely desribe NAND
> ECC layout.
>
> MAKEALL | 1 +
> Makefile | 17 ++
please add your entry in MAINTAINERS
> board/samsung/smdk6400/Makefile | 54 +++++
> board/samsung/smdk6400/config.mk | 30 +++
> board/samsung/smdk6400/lowlevel_init.S | 316
> ++++++++++++++++++++++++++++
> board/samsung/smdk6400/smdk6400.c | 130 ++++++++++++
> board/samsung/smdk6400/u-boot-nand.lds | 62 ++++++
> include/configs/smdk6400.h | 306 +++++++++++++++++++++++++++
> nand_spl/board/samsung/smdk6400/Makefile | 106 ++++++++++
> nand_spl/board/samsung/smdk6400/config.mk | 40 ++++
> nand_spl/board/samsung/smdk6400/u-boot.lds | 61 ++++++
> 11 files changed, 1123 insertions(+), 0 deletions(-)
> create mode 100644 board/samsung/smdk6400/Makefile
> create mode 100644 board/samsung/smdk6400/config.mk
> create mode 100644 board/samsung/smdk6400/lowlevel_init.S
> create mode 100644 board/samsung/smdk6400/smdk6400.c
> create mode 100644 board/samsung/smdk6400/u-boot-nand.lds
> create mode 100644 include/configs/smdk6400.h
> create mode 100644 nand_spl/board/samsung/smdk6400/Makefile
> create mode 100644 nand_spl/board/samsung/smdk6400/config.mk
> create mode 100644 nand_spl/board/samsung/smdk6400/u-boot.lds
> +# 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
> +#
> +
> +include $(TOPDIR)/config.mk
> +
> +LIB = $(obj)lib$(BOARD).a
> +
> +COBJS := smdk6400.o
> +SOBJS := lowlevel_init.o
> +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
> +
> +$(LIB): $(obj).depend $(OBJS)
> + $(AR) crv $@ $(OBJS)
> +
please keep this Makefile as other new style
ex from atmel board
include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).a
COBJS-y += at91cap9adk.o
COBJS-y += led.o
COBJS-y += partition.o
COBJS-$(CONFIG_CMD_NAND) += nand.o
SRCS := $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS-y))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(obj).depend $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak $(obj).depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
> diff --git a/board/samsung/smdk6400/config.mk
> b/board/samsung/smdk6400/config.mk
> new file mode 100644
> index 0000000..298d387
> --- /dev/null
> +++ b/board/samsung/smdk6400/config.mk
> @@ -0,0 +1,30 @@
> +#
> +# (C) Copyright 2002
> +# Gary Jennejohn, DENX Software Engineering, <[EMAIL PROTECTED]>
> +# David Mueller, ELSOFT AG, <[EMAIL PROTECTED]>
> +#
> +# (C) Copyright 2008
> +# Guennadi Liakhovetki, DENX Software Engineering, <[EMAIL PROTECTED]>
> +#
> +# SAMSUNG SMDK6400 board with mDirac3 (ARM1176) cpu
> +#
> +# see http://www.samsung.com/ for more information on SAMSUNG
> +
> +# On SMDK6400 we use the 64 MB SDRAM bank at
> +#
> +# 0x50000000 to 0x58000000
> +#
> +# Linux-Kernel is expected to be at 0x50008000, entry 0x50008000
> +#
> +# we load ourselves to 0x57e00000 without MMU
> +# with MMU, load address is changed to 0xc7e00000
> +#
> +# download area is 0x5000c000
> +
> +sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
> +
> +ifndef CONFIG_NAND_SPL
> +TEXT_BASE = $(RAM_TEXT)
> +else
> +TEXT_BASE = 0
> +endif
> +check_syncack:
> + ldr r1, [r0, #OTHERS_OFFSET]
> + ldr r2, =0xf00
> + and r1, r1, r2
> + cmp r1, #0xf00
> + bne check_syncack
> +#else /* ASYNC Mode */
please use .rept
> + nop
> + nop
> + nop
> + nop
> + nop
> +
and please be carefull with whitespaces
> index 0000000..77fd2c8
> --- /dev/null
> +++ b/board/samsung/smdk6400/smdk6400.c
> @@ -0,0 +1,130 @@
> +/*
> +static inline void delay(unsigned long loops)
> +{
> + __asm__ volatile ("1:\n" "subs %0, %1, #1\n"
> + "bne 1b"
> + : "=r" (loops) : "0" (loops));
> +}
> +
> +/*
> + * Miscellaneous platform dependent initialisations
> + */
> +
> +{
> + nand_probe(CFG_NAND_BASE);
> + if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN)
> + print_size(nand_dev_desc[0].totlen, "\n");
> +}
> +#endif
> +
> +ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t *info)
> +{
> + if (banknum == 0) { /* non-CFI boot flash */
> + info->portwidth = FLASH_CFI_16BIT;
> + info->chipwidth = FLASH_CFI_BY16;
> + info->interface = FLASH_CFI_X16;
> + return 1;
> + } else
> + return 0;
please replace with
} else {
return 0;
}
or
}
return 0;
> +}
> diff --git a/include/configs/smdk6400.h b/include/configs/smdk6400.h
> new file mode 100644
> index 0000000..1bc8996
> --- /dev/null
> +++ b/include/configs/smdk6400.h
> @@ -0,0 +1,306 @@
> +/*
> +#define CONFIG_SMDK6400 1 /* on a SAMSUNG SMDK6400 Board
> */
> +
> +#define CFG_SDRAM_BASE 0x50000000
> +
> +/* input clock of PLL: SMDK6400 has 12MHz input clock */
> +#define CONFIG_SYS_CLK_FREQ 12000000
> +
> +#if !defined(CONFIG_NAND_SPL) && (TEXT_BASE >= 0xc0000000)
> +#define CONFIG_ENABLE_MMU
> +#endif
> +
> +#define CONFIG_MEMORY_UPPER_CODE
> +
> +#define CONFIG_SETUP_MEMORY_TAGS
> +#define CONFIG_CMDLINE_TAG
> +#define CONFIG_INITRD_TAG
> +
> +/*
> + * Architecture magic and machine type
> + */
> +#define MACH_TYPE 1270
please use mach type from the hearder
> +
> +#define CONFIG_DISPLAY_CPUINFO
> +#define CONFIG_DISPLAY_BOARDINFO
> +
> +#undef CONFIG_SKIP_RELOCATE_UBOOT
> +
> +/*
> + * Size of malloc() pool
> + */
> +#define CFG_MALLOC_LEN (CFG_ENV_SIZE + 1024 * 1024)
> +#define CFG_GBL_DATA_SIZE 128 /* size in bytes for initial data */
> +
> +/*
> + * Hardware drivers
> + */
> +#define CONFIG_DRIVER_CS8900 1 /* we have a CS8900 on-board */
> +#define CS8900_BASE 0x18800300
please remove the whitespace
> +#define CS8900_BUS16 1 /* follow the Linux driver */
please remove the whitespace
> +
> +/*
> + * select serial console configuration
> + */
> +#define CONFIG_SERIAL1 1 /* we use SERIAL 1 on SMDK6400 */
> +
> +#define CFG_HUSH_PARSER /* use "hush" command parser
> */
> +#ifdef CFG_HUSH_PARSER
do you really want the idef?
> +#define CFG_PROMPT_HUSH_PS2 "> "
> +#endif
> +
> +#define CONFIG_CMDLINE_EDITING
> +
> +/* allow to overwrite serial and ethaddr */
> +#define CONFIG_ENV_OVERWRITE
> +
> +#define CONFIG_BAUDRATE 115200
> +
> +/***********************************************************
> + * Command definition
> + ***********************************************************/
> +#include <config_cmd_default.h>
> +
> +#define CONFIG_CMD_CACHE
> +#define CONFIG_CMD_REGINFO
> +#define CONFIG_CMD_LOADS
> +#define CONFIG_CMD_LOADB
> +#define CONFIG_CMD_ENV
> +#define CONFIG_CMD_NAND
> +#if defined(CONFIG_BOOT_ONENAND)
> +#define CONFIG_CMD_ONENAND
> +#endif
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_ELF
> +
> +#define CONFIG_BOOTDELAY 3
> +
> +#define CONFIG_ZERO_BOOTDELAY_CHECK
> +
> +#if (CONFIG_COMMANDS & CONFIG_CMD_KGDB)
replace with
#ifdef CONFIG_CMD_KGDB
> +#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port */
> +#define CONFIG_KGDB_SER_INDEX 1 /* which serial port to use
> */
> +#endif
> +
> +/*
> + * Miscellaneous configurable options
> + */
> +#define CFG_LONGHELP /* undef to save memory */
> +#define CFG_PROMPT "SMDK6400 # " /* Monitor Command Prompt */
> +#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
> +#define CFG_PBSIZE 384 /* Print Buffer Size */
> +#define CFG_MAXARGS 16 /* max number of command args */
> +#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
> +
> +#define CFG_MEMTEST_START CFG_SDRAM_BASE /* memtest works on */
> +#define CFG_MEMTEST_END (CFG_SDRAM_BASE + 0x7e00000) /* 126MB
> in DRAM */
> +
> +#define CFG_LOAD_ADDR CFG_SDRAM_BASE /* default load address
> */
> +
> +#define CFG_HZ 1000
> +
> +/* valid baudrates */
> +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
> +
> +/*-----------------------------------------------------------------------
> + * Stack sizes
> + *
> + * The stack sizes are set up in start.S using the settings below
> + */
> +#define CONFIG_STACKSIZE 0x40000 /* regular stack 256KB */
> +
> +/**********************************
> + Support Clock Settings
> + **********************************
> + Setting SYNC ASYNC
> + ----------------------------------
> + 667_133_66 X O
> + 533_133_66 O O
> + 400_133_66 X O
> + 400_100_50 O O
> + **********************************/
> +
> +/*#define CONFIG_CLK_667_133_66*/
please remove if not need or use idef
> +#define CONFIG_CLK_533_133_66
> +/*
> +#define CONFIG_CLK_400_100_50
> +#define CONFIG_CLK_400_133_66
> +#define CONFIG_SYNC_MODE
> +*/
Ditto
> +
> +/* SMDK6400 has 2 banks of DRAM, but we use only one in U-Boot */
> +#define CONFIG_NR_DRAM_BANKS 1
> +#define PHYS_SDRAM_1 CFG_SDRAM_BASE /* SDRAM Bank #1 */
> +#define CONFIG_BOOT_MOVINAND
> +#define CONFIG_BOOT_ONENAND
> +*/
> +
> diff --git a/nand_spl/board/samsung/smdk6400/Makefile
> b/nand_spl/board/samsung/smdk6400/Makefile
> new file mode 100644
> index 0000000..ae9eb2a
> --- /dev/null
> +++ b/nand_spl/board/samsung/smdk6400/Makefile
> @@ -0,0 +1,106 @@
> +#
> +# (C) Copyright 2006-2007
> +# Stefan Roese, DENX Software Engineering, [EMAIL PROTECTED]
> +#
> +# (C) Copyright 2008
> +# Guennadi Liakhovetki, DENX Software Engineering, <[EMAIL PROTECTED]>
> +#
> +# 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
> +#
> +
> +CONFIG_NAND_SPL = y
> +
> +include $(TOPDIR)/config.mk
> +include $(TOPDIR)/nand_spl/board/$(BOARDDIR)/config.mk
> +
> +LDSCRIPT= $(TOPDIR)/nand_spl/board/$(BOARDDIR)/u-boot.lds
> +LDFLAGS = -Bstatic -T $(LDSCRIPT) -Ttext $(TEXT_BASE)
> $(PLATFORM_LDFLAGS)
> +AFLAGS += -DCONFIG_NAND_SPL
> +CFLAGS += -DCONFIG_NAND_SPL
> +
> +SOBJS = start.o cpu_init.o lowlevel_init.o
> +COBJS = nand_boot.o nand_ecc.o s3c64xx.o
> +
> +SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
> +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
> +__OBJS := $(SOBJS) $(COBJS)
> +LNDIR := $(OBJTREE)/nand_spl/board/$(BOARDDIR)
> +
> +nandobj := $(OBJTREE)/nand_spl/
> +
> +ALL = $(nandobj)u-boot-spl $(nandobj)u-boot-spl.bin
> $(nandobj)u-boot-spl-16k.bin
> +
> +all: $(obj).depend $(ALL)
> +
> +$(nandobj)u-boot-spl-16k.bin: $(nandobj)u-boot-spl
> + $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $< $@
> +
> +$(nandobj)u-boot-spl.bin: $(nandobj)u-boot-spl
> + $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
> +
> +$(nandobj)u-boot-spl: $(OBJS)
> + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
> + -Map $(nandobj)u-boot-spl.map \
> + -o $(nandobj)u-boot-spl
please replace with
$(nandobj)u-boot-spl: $(OBJS)
cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
-Map [EMAIL PROTECTED] -o $@
Best Regards,
J.
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