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x86: Provide a function to clean up just before booting a zimage 

This function can be used by boards which want to do some clean-up
before booting a zImage.

Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Stefan Reinauer 2012-10-23 18:04:37 +00:00 committed by Simon Glass
parent 095593c030
commit 61e0ea900a
1 changed files with 11 additions and 0 deletions
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11
arch/x86/lib/zimage.c
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@ -39,6 +39,7 @@
#ifdef CONFIG_SYS_COREBOOT
#include <asm/arch/timestamp.h>
#endif
#include <linux/compiler.h>
/*
* Memory lay-out:
@ -282,8 +283,18 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot,
return 0;
}
/*
* Implement a weak default function for boards that optionally
* need to clean up the system before jumping to the kernel.
*/
__weak void board_final_cleanup(void)
{
}
void boot_zimage(void *setup_base, void *load_address)
{
board_final_cleanup();
printf("\nStarting kernel ...\n\n");
#ifdef CONFIG_SYS_COREBOOT