From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Wed, 21 May 2014 09:32:22 +0800 Subject: [U-Boot] [PATCH 2/2] ARM: at91sam9m10g45ek: add mmc environment configuration support In-Reply-To: <1400582283-31625-2-git-send-email-josh.wu@atmel.com> References: <1400582283-31625-1-git-send-email-josh.wu@atmel.com> <1400582283-31625-2-git-send-email-josh.wu@atmel.com> Message-ID: <537C0226.6060506@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 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 > > Best Regards, Bo Shen