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x86: adjust ramdisk load address 

By default, ramdisk load address is defined to 02000000 in env string.
When loading bzImage to 01000000 (default address), there's a chance that
the ramdisk header would be overwritten by the kernel. Thus increase the
gap and make ramdisk load at 04000000 by default and also this patch
introduces a new configuration item CONFIG_RAMDISK_ADDR for this purpose

Signed-off-by: Miao Yan <yanmiaobest@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Miao Yan 2016-01-07 01:31:59 -08:00 committed by Bin Meng
parent 87968de31d
commit ece5c37f0c
1 changed files with 2 additions and 1 deletions
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3
include/configs/x86-common.h
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@ -208,6 +208,7 @@
#define CONFIG_HOSTNAME x86 #define CONFIG_HOSTNAME x86
#define CONFIG_BOOTFILE "bzImage" #define CONFIG_BOOTFILE "bzImage"
#define CONFIG_LOADADDR 0x1000000 #define CONFIG_LOADADDR 0x1000000
#define CONFIG_RAMDISK_ADDR 0x4000000
#define CONFIG_EXTRA_ENV_SETTINGS \ #define CONFIG_EXTRA_ENV_SETTINGS \
CONFIG_STD_DEVICES_SETTINGS \ CONFIG_STD_DEVICES_SETTINGS \
@ -215,7 +216,7 @@
"netdev=eth0\0" \ "netdev=eth0\0" \
"consoledev=ttyS0\0" \ "consoledev=ttyS0\0" \
"othbootargs=acpi=off\0" \ "othbootargs=acpi=off\0" \
"ramdiskaddr=0x2000000\0" \ "ramdiskaddr=0x4000000\0" \
"ramdiskfile=initramfs.gz\0" "ramdiskfile=initramfs.gz\0"
#define CONFIG_RAMBOOTCOMMAND \ #define CONFIG_RAMBOOTCOMMAND \