[U-Boot] [PATCH] ppc4xx: Invalidate d-cache when used as init-ram

We need to invalidate the data cache after it has been used as init-ram.

This problem was detected on the lwmon5 update.

Signed-off-by: Stefan Roese sr@denx.de --- arch/powerpc/cpu/ppc4xx/start.S | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/cpu/ppc4xx/start.S b/arch/powerpc/cpu/ppc4xx/start.S index 5296dad..4bad32f 100644 --- a/arch/powerpc/cpu/ppc4xx/start.S +++ b/arch/powerpc/cpu/ppc4xx/start.S @@ -1459,6 +1459,11 @@ relocate_code: mtspr SPRN_DTV3,r6 msync isync + + /* Invalidate data cache, now no longer our stack */ + dccci 0,0 + sync + isync #endif /* CONFIG_SYS_INIT_RAM_DCACHE */

/*