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Blackfin: make default ADI env more flexible

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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>
This commit is contained in:
Mike Frysinger 2009-04-13 05:52:45 -04:00
parent 0f52b560f1
commit 0e63dc0679
1 changed files with 25 additions and 5 deletions
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30
include/configs/bfin_adi_common.h
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@ -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"