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authorWu, Josh <Josh.wu@atmel.com>2012-11-02 00:17:27 +0000
committerAndy Fleming <afleming@freescale.com>2012-11-27 17:26:47 -0600
commitb7e3129e550957f046c29a917c63f4b503fbfcb9 (patch)
tree1535c619e837492a278064095b03bbd0e9d1183d
parentbabce5f64e29366b04e1eb8bc1698203261ee5b4 (diff)
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mmc: at91sam9x5: support to save environment in mmc
Signed-off-by: Josh Wu <josh.wu@atmel.com> Acked-by: Andreas Bießmann <andreas.devel@googlemail.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
-rw-r--r--boards.cfg1
-rw-r--r--include/configs/at91sam9x5ek.h19
2 files changed, 17 insertions, 3 deletions
diff --git a/boards.cfg b/boards.cfg
index 7ae663c..b8a238a 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -98,6 +98,7 @@ at91sam9rlek_dataflash arm arm926ejs at91sam9rlek atmel
at91sam9rlek_nandflash arm arm926ejs at91sam9rlek atmel at91 at91sam9rlek:AT91SAM9RL,SYS_USE_NANDFLASH
at91sam9x5ek_nandflash arm arm926ejs at91sam9x5ek atmel at91 at91sam9x5ek:AT91SAM9X5,SYS_USE_NANDFLASH
at91sam9x5ek_spiflash arm arm926ejs at91sam9x5ek atmel at91 at91sam9x5ek:AT91SAM9X5,SYS_USE_SPIFLASH
+at91sam9x5ek_mmc arm arm926ejs at91sam9x5ek atmel at91 at91sam9x5ek:AT91SAM9X5,SYS_USE_MMC
at91sam9xeek_dataflash_cs0 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_DATAFLASH_CS0
at91sam9xeek_dataflash_cs1 arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_DATAFLASH_CS1
at91sam9xeek_nandflash arm arm926ejs at91sam9260ek atmel at91 at91sam9260ek:AT91SAM9XE,SYS_USE_NANDFLASH
diff --git a/include/configs/at91sam9x5ek.h b/include/configs/at91sam9x5ek.h
index 71f765b..1317582 100644
--- a/include/configs/at91sam9x5ek.h
+++ b/include/configs/at91sam9x5ek.h
@@ -168,8 +168,7 @@
#define CONFIG_BOOTCOMMAND "nand read " \
"0x22000000 0x200000 0x300000; " \
"bootm 0x22000000"
-#else
-#ifdef CONFIG_SYS_USE_SPIFLASH
+#elif defined(CONFIG_SYS_USE_SPIFLASH)
/* bootstrap + u-boot + env + linux in spi flash */
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_OFFSET 0x5000
@@ -179,14 +178,28 @@
#define CONFIG_BOOTCOMMAND "sf probe 0; " \
"sf read 0x22000000 0x100000 0x300000; " \
"bootm 0x22000000"
-#endif
+#else /* CONFIG_SYS_USE_MMC */
+/* bootstrap + u-boot + env + linux in mmc */
+#define CONFIG_ENV_IS_IN_MMC
+/* For FAT system, most cases it should be in the reserved sector */
+#define CONFIG_ENV_OFFSET 0x2000
+#define CONFIG_ENV_SIZE 0x1000
+#define CONFIG_SYS_MMC_ENV_DEV 0
#endif
+#ifdef CONFIG_SYS_USE_MMC
+#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 " \
+ "mtdparts=atmel_nand:" \
+ "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
+ "root=/dev/mmcblk0p2 " \
+ "rw rootfstype=ext4 rootwait"
+#else
#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 " \
"mtdparts=atmel_nand:" \
"8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
"root=/dev/mtdblock1 rw " \
"rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs"
+#endif
#define CONFIG_BAUDRATE 115200