[U-Boot] [PATCH 1/5] am335x_evm: Add NAND environment variables
Tom Rini
trini at ti.com
Fri Feb 8 22:20:11 CET 2013
From: Chase Maupin <Chase.Maupin at ti.com>
* Added support to the default environment variables for NAND
boot.
* Add nandboot to the default bootcmd.
Signed-off-by: Chase Maupin <Chase.Maupin at ti.com>
Signed-off-by: Tom Rini <trini at ti.com>
---
include/configs/am335x_evm.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index 72459d8..8e01574 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -60,12 +60,20 @@
"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p2 ro\0" \
"mmcrootfstype=ext4 rootwait\0" \
+ "nandroot=ubi0:rootfs rw ubi.mtd=7,2048\0" \
+ "nandrootfstype=ubifs rootwait=1\0" \
+ "nandsrcaddr=0x280000\0" \
+ "nandimgsize=0x500000\0" \
"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
"ramrootfstype=ext2\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype}\0" \
+ "nandargs=setenv bootargs console=${console} " \
+ "${optargs} " \
+ "root=${nandroot} " \
+ "rootfstype=${nandrootfstype}\0" \
"bootenv=uEnv.txt\0" \
"loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc ...; " \
@@ -80,6 +88,10 @@
"mmcboot=echo Booting from mmc ...; " \
"run mmcargs; " \
"bootm ${loadaddr}\0" \
+ "nandboot=echo Booting from nand ...; " \
+ "run nandargs; " \
+ "nand read ${loadaddr} ${nandsrcaddr} ${nandimgsize}; " \
+ "bootm ${loadaddr}\0" \
"ramboot=echo Booting from ramdisk ...; " \
"run ramargs; " \
"bootm ${loadaddr}\0" \
@@ -105,6 +117,8 @@
"if run loaduimage; then " \
"run mmcboot;" \
"fi;" \
+ "else " \
+ "run nandboot;" \
"fi;" \
/* Clock Defines */
--
1.7.9.5
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