From 73c1f4aff04dd468963457250e36048fb6ec2e14 Mon Sep 17 00:00:00 2001 From: Chase Maupin Date: Fri, 8 Feb 2013 11:20:11 +0000 Subject: [PATCH] am335x_evm: Add NAND environment variables * Added support to the default environment variables for NAND boot. * Add nandboot to the default bootcmd. Signed-off-by: Chase Maupin Signed-off-by: Tom Rini --- 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 45491906a6..77bd734e95 100644 --- a/include/configs/am335x_evm.h +++ b/include/configs/am335x_evm.h @@ -61,12 +61,20 @@ "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 ...; " \ @@ -81,6 +89,10 @@ "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" \ @@ -106,6 +118,8 @@ "if run loaduimage; then " \ "run mmcboot;" \ "fi;" \ + "else " \ + "run nandboot;" \ "fi;" \ /* Clock Defines */ -- 2.39.5