Hi Minkyu,
> Support for a new command (defined at envs) - spl_export generates
> the ATAGS image necessary for fast boot. Afterwards, it is stored
> at ext4 partition.
>
> Generated image format:
> CRC [4B] SIZE [4B] PAYLOAD(ATAGS/DT) [SIZE]
>
> Remarks:
> - CRC is calculated only for PAYLOAD
> - SIZE is the size of PAYLOAD
>
> It is important to adjust ${splsize} when large image is generated.
> It is defined as hex, since ext4 related commands expect it.
>
> The ${spladdr} environment variable corresponds to
> CONFIG_SYS_SPL_ARGS_ADDR
>
> Additionally definitions for DFU have been refactored and support for
> EFI has been added as well.
>
Could this patch be added to u-boot-samsung tree? It brings many
updates for trats configuration and it would be nice to bring it to
2013.01 u-boot release.
> Signed-off-by: Lukasz Majewski <l.majew...@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
> Cc: Minkyu Kang <mk7.k...@samsung.com>
> ---
> board/samsung/trats/trats.c | 2 +-
> include/configs/trats.h | 45
> +++++++++++++++++++++++++++++++++--------- 2 files changed, 36
> insertions(+), 11 deletions(-)
>
> diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c
> index e540190..4738043 100644
> --- a/board/samsung/trats/trats.c
> +++ b/board/samsung/trats/trats.c
> @@ -66,7 +66,7 @@ struct s3c_plat_otg_data s5pc210_otg_data;
>
> int board_init(void)
> {
> - gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
> + gd->bd->bi_boot_params = CONFIG_SYS_SPL_ARGS_ADDR;
>
> check_hw_revision();
> printf("HW Revision:\t0x%x\n", board_rev);
> diff --git a/include/configs/trats.h b/include/configs/trats.h
> index 355029e..52fe77d 100644
> --- a/include/configs/trats.h
> +++ b/include/configs/trats.h
> @@ -98,6 +98,7 @@
> #undef CONFIG_CMD_MTDPARTS
> #define CONFIG_CMD_MMC
> #define CONFIG_CMD_DFU
> +#define CONFIG_CMD_SETEXPR
>
> /* FAT */
> #define CONFIG_CMD_FAT
> @@ -123,9 +124,8 @@
> #define CONFIG_ENV_COMMON_BOOT "${console} ${meminfo}"
>
> #define CONFIG_DFU_ALT \
> - "dfu_alt_info=" \
> "u-boot mmc 80 400;" \
> - "uImage fat 0 2\0" \
> + "uImage ext4 0 2\0" \
>
> #define CONFIG_ENV_OVERWRITE
> #define CONFIG_SYS_CONSOLE_INFO_QUIET
> @@ -144,20 +144,20 @@
> "mmc read 0 0x42100000 0x80 0x200; run
> updatebackup\0" \ "lpj=lpj=3981312\0" \
> "nfsboot=" \
> - "set bootargs root=/dev/nfs rw " \
> + "setenv bootargs root=/dev/nfs rw " \
> "nfsroot=${nfsroot},nolock,tcp " \
> "ip=${ipaddr}:${serverip}:${gatewayip}:" \
> "${netmask}:generic:usb0:off "
> CONFIG_ENV_COMMON_BOOT \ "; run bootk\0" \
> "ramfsboot=" \
> - "set bootargs root=/dev/ram0 rw rootfstype=ext2 " \
> + "setenv bootargs root=/dev/ram0 rw rootfstype=ext2 "
> \ "${console} ${meminfo} " \
> "initrd=0x43000000,8M ramdisk=8192\0" \
> "mmcboot=" \
> - "set bootargs
> root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
> + "setenv bootargs
> root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \ "${lpj} rootwait
> ${console} ${meminfo} ${opts} ${lcdinfo}; " \ "run loaduimage; bootm
> 0x40007FC0\0" \
> - "bootchart=set opts init=/sbin/bootchartd; run bootcmd\0" \
> + "bootchart=setenv opts init=/sbin/bootchartd; run bootcmd\0"
> \ "boottrace=setenv opts initcall_debug; run bootcmd\0" \
> "mmcoops=mmc read 0 0x40000000 0x40 8; md 0x40000000
> 0x400\0" \ "verify=n\0" \
> @@ -166,12 +166,30 @@
> "meminfo=crashkernel=32M@0x50000000\0" \
> "nfsroot=/nfsroot/arm\0" \
> "bootblock=" CONFIG_BOOTBLOCK "\0" \
> - "loaduimage=fatload mmc ${mmcdev}:${mmcbootpart} 0x40007FC0
> uImage\0" \
> + "loaduimage=ext4load mmc ${mmcdev}:${mmcbootpart} 0x40007FC0
> uImage\0" \ "mmcdev=0\0" \
> "mmcbootpart=2\0" \
> - "mmcrootpart=3\0" \
> + "mmcrootpart=5\0" \
> "opts=always_resume=1\0" \
> - CONFIG_DFU_ALT
> + "dfu_alt_info=" CONFIG_DFU_ALT \
> + "spladdr=0x40000100\0" \
> + "splsize=0x200\0" \
> + "splfile=falcon.bin\0" \
> + "spl_export=" \
> + "setexpr spl_imgsize ${splsize} + 8 ;" \
> + "setexpr spl_imgaddr ${spladdr} - 8 ;" \
> + "setexpr spl_addr_tmp ${spladdr} - 4 ;" \
> + "mw.b ${spl_imgaddr} 0x00 ${spl_imgsize};run
> loaduimage;" \
> + "setenv bootargs
> root=/dev/mmcblk${mmcdev}p${mmcrootpart} " \
> + "${lpj} rootwait ${console} ${meminfo} ${opts}
> ${lcdinfo};" \
> + "spl export atags 0x40007FC0;" \
> + "crc32 ${spladdr} ${splsize} ${spl_imgaddr};" \
> + "mw.l ${spl_addr_tmp} ${splsize};" \
> + "ext4write mmc ${mmcdev}:${mmcbootpart}" \
> + " /${splfile} ${spl_imgaddr} ${spl_imgsize};" \
> + "setenv spl_imgsize;" \
> + "setenv spl_imgaddr;" \
> + "setenv spl_addr_tmp;\0"
>
> /* Miscellaneous configurable options */
> #define CONFIG_SYS_LONGHELP /* undef to save memory */
> @@ -207,11 +225,18 @@
> #define CONFIG_ENV_OFFSET ((32 - 4) << 10) /* 32KiB -
> 4KiB */
> #define CONFIG_DOS_PARTITION
> +#define CONFIG_EFI_PARTITION
> +
> +/* EXT4 */
> +#define CONFIG_CMD_EXT4
> +#define CONFIG_CMD_EXT4_WRITE
> +/* Falcon mode definitions */
> +#define CONFIG_CMD_SPL
> +#define CONFIG_SYS_SPL_ARGS_ADDR PHYS_SDRAM_1 + 0x100
>
> #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_LOAD_ADDR -
> GENERATED_GBL_DATA_SIZE) #define CONFIG_SYS_CACHELINE_SIZE 32
>
> -
> #define CONFIG_SOFT_I2C
> #define CONFIG_SOFT_I2C_READ_REPEATED_START
> #define CONFIG_SYS_I2C_INIT_BOARD
--
Best regards,
Lukasz Majewski
Samsung Poland R&D Center | Linux Platform Group
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