[U-Boot-Users] [PATCH] PPC4xx: Minimal changes to add vxWorks support
Niklaus Giger
niklausgiger at gmx.ch
Fri Nov 30 15:01:58 CET 2007
Hi
I have to support vxWorks on our boards. In order to avoid changing the TLB
in all PPC440x based boards I need this small patch. Can it go into the
git repository or do I have to maintain it out of the tree forever?
Best regards
Signed-off-by: Niklaus Giger <niklaus.giger at netstal.com>
---
cpu/ppc4xx/start.S | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 9626b65..8f19444 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1432,7 +1432,10 @@ relocate_code:
dccci 0,0 /* Invalidate data cache, now no longer our stack */
sync
isync
- addi r1,r0,0x0000 /* TLB entry #0 */
+#ifndef CFG_TLB_FOR_BOOT_FLASH
+#define CFG_TLB_FOR_BOOT_FLASH 0
+#endif
+ addi r1,r0,CFG_TLB_FOR_BOOT_FLASH /* TLB entry (default #0) */
tlbre r0,r1,0x0002 /* Read contents */
ori r0,r0,0x0c00 /* Or in the inhibit, write through bit */
tlbwe r0,r1,0x0002 /* Save it out */
--
1.5.2
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