POST: Add ppc405 support to cache and UART POST
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/post/cpu/ppc4xx/cache.c b/post/cpu/ppc4xx/cache.c
index e1f989e..109ca1f 100644
--- a/post/cpu/ppc4xx/cache.c
+++ b/post/cpu/ppc4xx/cache.c
@@ -53,14 +53,25 @@
static int tlb = -1; /* index to the victim TLB entry */
+#ifdef CONFIG_440
static unsigned char testarea[CACHE_POST_SIZE]
__attribute__((__aligned__(CACHE_POST_SIZE)));
+#endif
int cache_post_test (int flags)
{
void* virt = (void*)CFG_POST_CACHE_ADDR;
- int ints, i, res = 0;
- u32 word0;
+ int ints;
+ int res = 0;
+
+ /*
+ * All 44x variants deal with cache management differently
+ * because they have the address translation always enabled.
+ * The 40x ppc's don't use address translation in U-Boot at all,
+ * so we have to distinguish here between 40x and 44x.
+ */
+#ifdef CONFIG_440
+ int word0, i;
if (tlb < 0) {
/*
@@ -83,6 +94,7 @@
}
}
}
+#endif
ints = disable_interrupts ();
WATCHDOG_RESET ();