fix caching problem

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1382 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 7 insertions, 2 deletions

diff --git a/src/arch/ppc/boot/boot.c b/src/arch/ppc/boot/boot.c
index 860576370b..1a1d982fc8 100644
--- a/src/arch/ppc/boot/boot.c
+++ b/src/arch/ppc/boot/boot.c
@@ -72,6 +72,13 @@ void jmp_to_elf_entry(void *entry, unsigned long buffer)
 	void (*kernel_entry)(void);       
 	kernel_entry = entry;
 
+	/*
+	 * Kernel will invalidate and disable dcache immediately on
+	 * entry. This is bad if we've been using it, which we
+	 * have. Make sure it is flushed to memory.
+	 */
+	flush_dcache();
+
 	/* On ppc we don't currently support loading over LinuxBIOS.
 	 * So ignore the buffer.
 	 */
@@ -79,5 +86,3 @@ void jmp_to_elf_entry(void *entry, unsigned long buffer)
 	/* Jump to kernel */
 	kernel_entry();
 }
-
-