From: Stefan Reinauer reinauer@chromium.org
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 --- arch/x86/lib/zimage.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 1d6a0ed..a1366a1 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -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_ timestamp_add_now(TS_U_BOOT_START_KERNEL);