Currently (since commit b2e2142c) u-boot crashes on sequoia board while SPR test if CONFIG_4xx_DCACHE is enabled. This patch disables the cache while SPR test.
Signed-off-by: Anatolij Gustschin agust@denx.de --- post/cpu/ppc4xx/spr.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/post/cpu/ppc4xx/spr.c b/post/cpu/ppc4xx/spr.c index c12e378..37c9559 100644 --- a/post/cpu/ppc4xx/spr.c +++ b/post/cpu/ppc4xx/spr.c @@ -43,6 +43,12 @@
#include <asm/processor.h>
+#ifdef CONFIG_4xx_DCACHE +#include <asm/mmu.h> + +DECLARE_GLOBAL_DATA_PTR; +#endif + static struct { int number; char * name; @@ -164,6 +170,10 @@ int spr_post_test (int flags) }; unsigned long (*get_spr) (void) = (void *) code;
+#ifdef CONFIG_4xx_DCACHE + /* disable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE); +#endif for (i = 0; i < spr_test_list_size; i++) { int num = spr_test_list[i].number;
@@ -180,6 +190,10 @@ int spr_post_test (int flags) ret = -1; } } +#ifdef CONFIG_4xx_DCACHE + /* enable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0); +#endif
return ret; }