From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Wu Date: Wed, 21 May 2014 10:31:25 +0800 Subject: [U-Boot] [PATCH 2/2] ARM: at91sam9m10g45ek: add mmc environment configuration support In-Reply-To: <537C0226.6060506@atmel.com> References: <1400582283-31625-1-git-send-email-josh.wu@atmel.com> <1400582283-31625-2-git-send-email-josh.wu@atmel.com> <537C0226.6060506@atmel.com> Message-ID: <537C0FFD.7020807@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, Bo On 5/21/2014 9:32 AM, Bo Shen wrote: > Hi Josh, > > On 05/20/2014 06:38 PM, Josh Wu wrote: >> In this configuration the environment will save in file: uboot.env of >> mmc card. >> >> Signed-off-by: Josh Wu >> --- >> boards.cfg | 1 + >> include/configs/at91sam9m10g45ek.h | 20 ++++++++++++++++++++ >> 2 files changed, 21 insertions(+) >> >> diff --git a/boards.cfg b/boards.cfg >> index 3a59686..9f7cfd8 100644 >> --- a/boards.cfg >> +++ b/boards.cfg >> @@ -102,6 +102,7 @@ Active arm arm926ejs at91 >> atmel at91sam9263ek >> Active arm arm926ejs at91 atmel >> at91sam9263ek at91sam9263ek_norflash >> at91sam9263ek:AT91SAM9263,SYS_USE_NORFLASH Stelian Pop >> >> Active arm arm926ejs at91 atmel >> at91sam9263ek at91sam9263ek_norflash_boot >> at91sam9263ek:AT91SAM9263,SYS_USE_BOOT_NORFLASH Stelian Pop >> >> Active arm arm926ejs at91 atmel >> at91sam9m10g45ek at91sam9m10g45ek_nandflash >> at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_NANDFLASH Bo >> Shen >> +Active arm arm926ejs at91 atmel >> at91sam9m10g45ek at91sam9m10g45ek_mmc >> at91sam9m10g45ek:AT91SAM9M10G45,SYS_USE_MMC Bo >> Shen >> Active arm arm926ejs at91 atmel >> at91sam9n12ek at91sam9n12ek_mmc >> at91sam9n12ek:AT91SAM9N12,SYS_USE_MMC Josh Wu >> Active arm arm926ejs at91 atmel >> at91sam9n12ek at91sam9n12ek_nandflash >> at91sam9n12ek:AT91SAM9N12,SYS_USE_NANDFLASH Josh Wu >> Active arm arm926ejs at91 atmel >> at91sam9n12ek at91sam9n12ek_spiflash >> at91sam9n12ek:AT91SAM9N12,SYS_USE_SPIFLASH Josh Wu >> diff --git a/include/configs/at91sam9m10g45ek.h >> b/include/configs/at91sam9m10g45ek.h >> index df277e7..07b2188 100644 >> --- a/include/configs/at91sam9m10g45ek.h >> +++ b/include/configs/at91sam9m10g45ek.h >> @@ -147,6 +147,7 @@ >> #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE >> #define CONFIG_SYS_MEMTEST_END 0x23e00000 >> >> +#ifdef CONFIG_SYS_USE_NANDFLASH >> /* bootstrap + u-boot + env in nandflash */ >> #define CONFIG_ENV_IS_IN_NAND >> #define CONFIG_ENV_OFFSET 0xc0000 >> @@ -162,6 +163,25 @@ >> "256k(env),256k(env_redundant),256k(spare)," \ >> "512k(dtb),6M(kernel)ro,-(rootfs) " \ >> "root=/dev/mtdblock7 rw rootfstype=jffs2" >> +#elif CONFIG_SYS_USE_MMC >> +/* bootstrap + u-boot + env + linux in mmc */ >> +#define FAT_ENV_INTERFACE "mmc" >> +#define FAT_ENV_DEVICE 0 >> +#define FAT_ENV_PART 1 >> +#define FAT_ENV_FILE "uboot.env" >> +#define CONFIG_ENV_IS_IN_FAT >> +#define CONFIG_FAT_WRITE >> +#define CONFIG_ENV_SIZE 0x4000 >> + >> +#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 " \ > > I think we should remove "mem=128M" as we use device tree. > >> + "mtdparts=atmel_nand:" \ >> + "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \ >> + "root=/dev/mmcblk0p2 " \ >> + "rw rootfstype=ext4 rootwait" > > Can we remove rootfstype, so it can compatible with ext2, ext3 and ext4. > >> +#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x71000000 dtb; " \ >> + "fatload mmc 0:1 0x72000000 uImage; " \ >> + "bootm 0x72000000 - 0x71000000" > > Can we switch to zImage? As we try to support multi-platform with > single image in kernel. > >> +#endif >> >> #define CONFIG_BAUDRATE 115200 >> >> > I will update to v2 according to your advise. Thanks. Best Regards, Josh Wu > Best Regards, > Bo Shen >