[U-Boot] [PATCH] ppc4xx: Clear all potentially pending exceptions in MCSR

This is needed on Canyonlands which still has an exception pending while running relocate_code(). This leads to a failure after trap_init() is moved to the top of board_init_r(). --- cpu/ppc4xx/start.S | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 882ef21..84d7a28 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -1440,6 +1440,10 @@ relocate_code: dccci 0,0 /* Invalidate data cache, now no longer our stack */ sync isync + + /* Clear all potential pending exceptions */ + mfspr r1,mcsr + mtspr mcsr,r1 #ifdef CONFIG_SYS_TLB_FOR_BOOT_FLASH addi r1,r0,CONFIG_SYS_TLB_FOR_BOOT_FLASH /* Use defined TLB */ #else