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authorSteven Whitehouse <swhiteho@redhat.com>2006-07-03 16:25:08 +0200
committerSteven Whitehouse <swhiteho@redhat.com>2006-07-03 16:25:08 +0200
commit0a1340c185734a57fbf4775927966ad4a1347b02 (patch)
treed9ed8f0dd809a7c542a3356601125ea5b5aaa804 /arch/arm/mm/proc-arm1020e.S
parent[GFS2] Eliminate one instance of __GFP_NOFAIL (diff)
parent[PATCH] genirq: Fixup ARM devel merge (diff)
downloadlinux-0a1340c185734a57fbf4775927966ad4a1347b02.tar.xz
linux-0a1340c185734a57fbf4775927966ad4a1347b02.zip
Merge rsync://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: include/linux/kernel.h
Diffstat (limited to 'arch/arm/mm/proc-arm1020e.S')
-rw-r--r--arch/arm/mm/proc-arm1020e.S49
1 files changed, 20 insertions, 29 deletions
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index be6d081ff2b7..0c33a5ed5a61 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -3,6 +3,7 @@
*
* Copyright (C) 2000 ARM Limited
* Copyright (C) 2000 Deep Blue Solutions Ltd.
+ * hacked for non-paged-MM by Hyok S. Choi, 2003.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -25,7 +26,6 @@
* CONFIG_CPU_ARM1020_CPU_IDLE -> nohlt
*/
#include <linux/linkage.h>
-#include <linux/config.h>
#include <linux/init.h>
#include <asm/assembler.h>
#include <asm/asm-offsets.h>
@@ -101,7 +101,9 @@ ENTRY(cpu_arm1020e_reset)
mov ip, #0
mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches
mcr p15, 0, ip, c7, c10, 4 @ drain WB
+#ifdef CONFIG_MMU
mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
+#endif
mrc p15, 0, ip, c1, c0, 0 @ ctrl register
bic ip, ip, #0x000f @ ............wcam
bic ip, ip, #0x1100 @ ...i...s........
@@ -344,6 +346,7 @@ ENTRY(cpu_arm1020e_dcache_clean_area)
*/
.align 5
ENTRY(cpu_arm1020e_switch_mm)
+#ifdef CONFIG_MMU
#ifndef CONFIG_CPU_DCACHE_DISABLE
mcr p15, 0, r3, c7, c10, 4
mov r1, #0xF @ 16 segments
@@ -367,6 +370,7 @@ ENTRY(cpu_arm1020e_switch_mm)
mcr p15, 0, r1, c7, c10, 4 @ drain WB
mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
mcr p15, 0, r1, c8, c7, 0 @ invalidate I & D TLBs
+#endif
mov pc, lr
/*
@@ -376,6 +380,7 @@ ENTRY(cpu_arm1020e_switch_mm)
*/
.align 5
ENTRY(cpu_arm1020e_set_pte)
+#ifdef CONFIG_MMU
str r1, [r0], #-2048 @ linux version
eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
@@ -403,6 +408,7 @@ ENTRY(cpu_arm1020e_set_pte)
#ifndef CONFIG_CPU_DCACHE_DISABLE
mcr p15, 0, r0, c7, c10, 1 @ clean D entry
#endif
+#endif /* CONFIG_MMU */
mov pc, lr
__INIT
@@ -412,12 +418,14 @@ __arm1020e_setup:
mov r0, #0
mcr p15, 0, r0, c7, c7 @ invalidate I,D caches on v4
mcr p15, 0, r0, c7, c10, 4 @ drain write buffer on v4
+#ifdef CONFIG_MMU
mcr p15, 0, r0, c8, c7 @ invalidate I,D TLBs on v4
+#endif
+ adr r5, arm1020e_crval
+ ldmia r5, {r5, r6}
mrc p15, 0, r0, c1, c0 @ get control register v4
- ldr r5, arm1020e_cr1_clear
bic r0, r0, r5
- ldr r5, arm1020e_cr1_set
- orr r0, r0, r5
+ orr r0, r0, r6
#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
orr r0, r0, #0x4000 @ .R.. .... .... ....
#endif
@@ -429,12 +437,9 @@ __arm1020e_setup:
* .RVI ZFRS BLDP WCAM
* .011 1001 ..11 0101
*/
- .type arm1020e_cr1_clear, #object
- .type arm1020e_cr1_set, #object
-arm1020e_cr1_clear:
- .word 0x5f3f
-arm1020e_cr1_set:
- .word 0x3935
+ .type arm1020e_crval, #object
+arm1020e_crval:
+ crval clear=0x00007f3f, mmuset=0x00003935, ucset=0x00001930
__INITDATA
@@ -468,25 +473,7 @@ cpu_elf_name:
.type cpu_arm1020e_name, #object
cpu_arm1020e_name:
- .ascii "ARM1020E"
-#ifndef CONFIG_CPU_ICACHE_DISABLE
- .ascii "i"
-#endif
-#ifndef CONFIG_CPU_DCACHE_DISABLE
- .ascii "d"
-#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
- .ascii "(wt)"
-#else
- .ascii "(wb)"
-#endif
-#endif
-#ifndef CONFIG_CPU_BPREDICT_DISABLE
- .ascii "B"
-#endif
-#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
- .ascii "RR"
-#endif
- .ascii "\0"
+ .asciz "ARM1020E"
.size cpu_arm1020e_name, . - cpu_arm1020e_name
.align
@@ -501,6 +488,10 @@ __arm1020e_proc_info:
PMD_BIT4 | \
PMD_SECT_AP_WRITE | \
PMD_SECT_AP_READ
+ .long PMD_TYPE_SECT | \
+ PMD_BIT4 | \
+ PMD_SECT_AP_WRITE | \
+ PMD_SECT_AP_READ
b __arm1020e_setup
.long cpu_arch_name
.long cpu_elf_name