Allow boards to easily override the root= and default bootcmd, allow people to tweak the file used in default bootcmds at runtime via one env var, and add a stock nandboot command.
Signed-off-by: Mike Frysinger vapier@gentoo.org --- include/configs/bfin_adi_common.h | 30 +++++++++++++++++++++++++----- 1 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/include/configs/bfin_adi_common.h b/include/configs/bfin_adi_common.h index a581924..b824566 100644 --- a/include/configs/bfin_adi_common.h +++ b/include/configs/bfin_adi_common.h @@ -103,14 +103,19 @@ #else # define CONFIG_BOOTDELAY 5 #endif -#define CONFIG_BOOTCOMMAND "run ramboot" +#ifndef CONFIG_BOOTCOMMAND +# define CONFIG_BOOTCOMMAND "run ramboot" +#endif #ifdef CONFIG_VIDEO # define CONFIG_BOOTARGS_VIDEO "console=tty0 " #else # define CONFIG_BOOTARGS_VIDEO "" #endif +#ifndef CONFIG_BOOTARGS_ROOT +# define CONFIG_BOOTARGS_ROOT "/dev/mtdblock0 rw" +#endif #define CONFIG_BOOTARGS \ - "root=/dev/mtdblock0 rw " \ + "root=" CONFIG_BOOTARGS_ROOT " " \ "clkin_hz=" MK_STR(CONFIG_CLKIN_HZ) " " \ "earlyprintk=" \ "serial," \ @@ -118,7 +123,17 @@ MK_STR(CONFIG_BAUDRATE) " " \ CONFIG_BOOTARGS_VIDEO \ "console=ttyBF0," MK_STR(CONFIG_BAUDRATE) - +#if defined(CONFIG_CMD_NAND) +# define NAND_ENV_SETTINGS \ + "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \ + "nandboot=" \ + "nand read $(loadaddr) 0x20000 0x100000;" \ + "run nandargs;" \ + "bootm" \ + "\0" +#else +# define NAND_ENV_SETTINGS +#endif #if defined(CONFIG_CMD_NET) # if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_BYPASS) # define UBOOT_ENV_FILE "u-boot.bin" @@ -156,19 +171,23 @@ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):" \ "$(hostname):eth0:off" \ "\0" \ + \ + "ramfile=uImage\0" \ "ramargs=set bootargs " CONFIG_BOOTARGS "\0" \ "ramboot=" \ - "tftp $(loadaddr) uImage;" \ + "tftp $(loadaddr) $(ramfile);" \ "run ramargs;" \ "run addip;" \ "bootm" \ "\0" \ + \ + "nfsfile=vmImage\0" \ "nfsargs=set bootargs " \ "root=/dev/nfs rw " \ "nfsroot=$(serverip):$(rootpath),tcp,nfsvers=3" \ "\0" \ "nfsboot=" \ - "tftp $(loadaddr) vmImage;" \ + "tftp $(loadaddr) $(nfsfile);" \ "run nfsargs;" \ "run addip;" \ "bootm" \ @@ -177,6 +196,7 @@ # define NETWORK_ENV_SETTINGS #endif #define CONFIG_EXTRA_ENV_SETTINGS \ + NAND_ENV_SETTINGS \ NETWORK_ENV_SETTINGS \ "flashboot=bootm 0x20100000\0"