From: Stefan Reinauer <reina...@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 <reina...@chromium.org>
Signed-off-by: Simon Glass <s...@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);
--
1.7.7.3
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