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authorDavid S. Miller <davem@davemloft.net>2011-09-22 03:23:13 -0400
committerDavid S. Miller <davem@davemloft.net>2011-09-22 03:23:13 -0400
commit8decf868790b48a727d7e7ca164f2bcd3c1389c0 (patch)
treeb759a5f861f842af7ea76f9011b579d06e9d5508 /arch/arm/mm/proc-v7.S
parent3fc72370186be2f9d4d6ef06d99e1caa5d92c564 (diff)
parentd93dc5c4478c1fd5de85a3e8aece9aad7bbae044 (diff)
Merge branch 'master' of github.com:davem330/net
Conflicts: MAINTAINERS drivers/net/Kconfig drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c drivers/net/ethernet/broadcom/tg3.c drivers/net/wireless/iwlwifi/iwl-pci.c drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c drivers/net/wireless/rt2x00/rt2800usb.c drivers/net/wireless/wl12xx/main.c
Diffstat (limited to 'arch/arm/mm/proc-v7.S')
-rw-r--r--arch/arm/mm/proc-v7.S6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index a30e78542ccf..9049c0764db2 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -66,6 +66,7 @@ ENDPROC(cpu_v7_proc_fin)
ENTRY(cpu_v7_reset)
mrc p15, 0, r1, c1, c0, 0 @ ctrl register
bic r1, r1, #0x1 @ ...............m
+ THUMB( bic r1, r1, #1 << 30 ) @ SCTLR.TE (Thumb exceptions)
mcr p15, 0, r1, c1, c0, 0 @ disable MMU
isb
mov pc, r0
@@ -247,13 +248,16 @@ ENTRY(cpu_v7_do_resume)
mcr p15, 0, r7, c2, c0, 0 @ TTB 0
mcr p15, 0, r8, c2, c0, 1 @ TTB 1
mcr p15, 0, ip, c2, c0, 2 @ TTB control register
- mcr p15, 0, r10, c1, c0, 1 @ Auxiliary control register
+ mrc p15, 0, r4, c1, c0, 1 @ Read Auxiliary control register
+ teq r4, r10 @ Is it already set?
+ mcrne p15, 0, r10, c1, c0, 1 @ No, so write it
mcr p15, 0, r11, c1, c0, 2 @ Co-processor access control
ldr r4, =PRRR @ PRRR
ldr r5, =NMRR @ NMRR
mcr p15, 0, r4, c10, c2, 0 @ write PRRR
mcr p15, 0, r5, c10, c2, 1 @ write NMRR
isb
+ dsb
mov r0, r9 @ control register
mov r2, r7, lsr #14 @ get TTB0 base
mov r2, r2, lsl #14