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 <[EMAIL PROTECTED]>
---
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;
}
--
1.5.3.3
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