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-rw-r--r--arch/arm/mm/proc-arm926.S26
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index 4cd33169a7c9..54466937bff9 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -28,7 +28,7 @@
28#include <linux/linkage.h> 28#include <linux/linkage.h>
29#include <linux/init.h> 29#include <linux/init.h>
30#include <asm/assembler.h> 30#include <asm/assembler.h>
31#include <asm/elf.h> 31#include <asm/hwcap.h>
32#include <asm/pgtable-hwdef.h> 32#include <asm/pgtable-hwdef.h>
33#include <asm/pgtable.h> 33#include <asm/pgtable.h>
34#include <asm/page.h> 34#include <asm/page.h>
@@ -359,29 +359,7 @@ ENTRY(cpu_arm926_switch_mm)
359 .align 5 359 .align 5
360ENTRY(cpu_arm926_set_pte_ext) 360ENTRY(cpu_arm926_set_pte_ext)
361#ifdef CONFIG_MMU 361#ifdef CONFIG_MMU
362 str r1, [r0], #-2048 @ linux version 362 armv3_set_pte_ext
363
364 eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
365
366 bic r2, r1, #PTE_SMALL_AP_MASK
367 bic r2, r2, #PTE_TYPE_MASK
368 orr r2, r2, #PTE_TYPE_SMALL
369
370 tst r1, #L_PTE_USER @ User?
371 orrne r2, r2, #PTE_SMALL_AP_URO_SRW
372
373 tst r1, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
374 orreq r2, r2, #PTE_SMALL_AP_UNO_SRW
375
376 tst r1, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
377 movne r2, #0
378
379#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
380 eor r3, r2, #0x0a @ C & small page?
381 tst r3, #0x0b
382 biceq r2, r2, #4
383#endif
384 str r2, [r0] @ hardware version
385 mov r0, r0 363 mov r0, r0
386#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH 364#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
387 mcr p15, 0, r0, c7, c10, 1 @ clean D entry 365 mcr p15, 0, r0, c7, c10, 1 @ clean D entry