There is no reason to icbi when invalidating the temporary stack in
the d-cache. Its impossible on e500 to have the i-cache contain
any addresses in the temp stack and it can be problematic in generating
transactions on the bus to non-valid addresses.
Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
in git://git.kernel.org/pub/scm/boot/u-boot/galak/u-boot.git mpc85xx
cpu/mpc85xx/start.S | 7 ++-----
1 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index eb24dbc..f4c17f8 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -992,7 +992,6 @@ trap_reloc:
blr
-#ifdef CFG_INIT_RAM_LOCK
.globl unlock_ram_in_cache
unlock_ram_in_cache:
/* invalidate the INIT_RAM section */
@@ -1002,11 +1001,9 @@ unlock_ram_in_cache:
andi. r4,r4,0x1ff
slwi r4,r4,(10 - 1 - L1_CACHE_SHIFT)
mtctr r4
-1: icbi r0,r3
- dcbi r0,r3
+1: dcbi r0,r3
addi r3,r3,CFG_CACHELINE_SIZE
bdnz 1b
- sync /* Wait for all icbi to complete on bus */
+ sync
isync
blr
-#endif
--
1.5.3.8
-------------------------------------------------------------------------
This SF.net email is sponsored by: Microsoft
Defy all challenges. Microsoft(R) Visual Studio 2008.
http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
_______________________________________________
U-Boot-Users mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/u-boot-users
