It is very common in the debug stage to test U-Boot loading a linux kernel. The commands to boot linux kernel with ramdisk and nfs as the root are common to all x86 targets, so it makes sense to add them as the U-Boot default environment in x86-common.h.
Signed-off-by: Bin Meng bmeng.cn@gmail.com ---
include/configs/x86-common.h | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/include/configs/x86-common.h b/include/configs/x86-common.h index 062e6c2..eeda774 100644 --- a/include/configs/x86-common.h +++ b/include/configs/x86-common.h @@ -249,7 +249,34 @@
#define CONFIG_CMD_USB
-#define CONFIG_EXTRA_ENV_SETTINGS \ - CONFIG_STD_DEVICES_SETTINGS +/* Default environment */ +#define CONFIG_ROOTPATH "/opt/nfsroot" +#define CONFIG_HOSTNAME "x86" +#define CONFIG_BOOTFILE "bzImage" +#define CONFIG_LOADADDR 0x1000000 + +#define CONFIG_EXTRA_ENV_SETTINGS \ + CONFIG_STD_DEVICES_SETTINGS \ + "netdev=eth0\0" \ + "consoledev=ttyS0\0" \ + "othbootargs=acpi=off\0" \ + "ramdiskaddr=0x2000000\0" \ + "ramdiskfile=initramfs.gz\0" + +#define CONFIG_RAMBOOTCOMMAND \ + "setenv bootargs root=/dev/ram rw " \ + "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \ + "console=$consoledev,$baudrate $othbootargs;" \ + "tftpboot $loadaddr $bootfile;" \ + "tftpboot $ramdiskaddr $ramdiskfile;" \ + "zboot $loadaddr 0 $ramdiskaddr $filesize" + +#define CONFIG_NFSBOOTCOMMAND \ + "setenv bootargs root=/dev/nfs rw " \ + "nfsroot=$serverip:$rootpath " \ + "ip=$ipaddr:$serverip:$gatewayip:$netmask:$hostname:$netdev:off " \ + "console=$consoledev,$baudrate $othbootargs;" \ + "tftpboot $loadaddr $bootfile;" \ + "zboot $loadaddr"
#endif /* __CONFIG_H */