projects
/
platform
/
kernel
/
u-boot.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
c2efa0a
)
powerpc/85xx: add some missing sync instructions in the CCSR relocation code
author
Timur Tabi
<timur@freescale.com>
Mon, 31 Oct 2011 18:30:43 +0000
(13:30 -0500)
committer
Kumar Gala
<galak@kernel.crashing.org>
Tue, 8 Nov 2011 14:31:02 +0000
(08:31 -0600)
Calls to tlbwe and tlbsx should be preceded with an isync/msync pair.
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
arch/powerpc/cpu/mpc85xx/start.S
patch
|
blob
|
history
diff --git
a/arch/powerpc/cpu/mpc85xx/start.S
b/arch/powerpc/cpu/mpc85xx/start.S
index
275accc
..
e519f35
100644
(file)
--- a/
arch/powerpc/cpu/mpc85xx/start.S
+++ b/
arch/powerpc/cpu/mpc85xx/start.S
@@
-352,6
+352,8
@@
purge_old_ccsr_tlb:
li r1, 0
mtspr MAS6, r1 /* Search the current address space and PID */
+ isync
+ msync
tlbsx 0, r8
mfspr r1, MAS1
andis. r2, r1, MAS1_VALID@h /* Check for the Valid bit */
@@
-359,6
+361,8
@@
purge_old_ccsr_tlb:
rlwinm r1, r1, 0, 1, 31 /* Clear Valid bit */
mtspr MAS1, r1
+ isync
+ msync
tlbwe
1: