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-rw-r--r--arch/arm/mm/proc-arm920.S28
1 files changed, 3 insertions, 25 deletions
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 28cdb060df45..914d688394fc 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.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>
@@ -351,33 +351,11 @@ ENTRY(cpu_arm920_switch_mm)
351 .align 5 351 .align 5
352ENTRY(cpu_arm920_set_pte_ext) 352ENTRY(cpu_arm920_set_pte_ext)
353#ifdef CONFIG_MMU 353#ifdef CONFIG_MMU
354 str r1, [r0], #-2048 @ linux version 354 armv3_set_pte_ext
355
356 eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
357
358 bic r2, r1, #PTE_SMALL_AP_MASK
359 bic r2, r2, #PTE_TYPE_MASK
360 orr r2, r2, #PTE_TYPE_SMALL
361
362 tst r1, #L_PTE_USER @ User?
363 orrne r2, r2, #PTE_SMALL_AP_URO_SRW
364
365 tst r1, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
366 orreq r2, r2, #PTE_SMALL_AP_UNO_SRW
367
368 tst r1, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
369 movne r2, #0
370
371#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
372 eor r3, r2, #0x0a @ C & small page?
373 tst r3, #0x0b
374 biceq r2, r2, #4
375#endif
376 str r2, [r0] @ hardware version
377 mov r0, r0 355 mov r0, r0
378 mcr p15, 0, r0, c7, c10, 1 @ clean D entry 356 mcr p15, 0, r0, c7, c10, 1 @ clean D entry
379 mcr p15, 0, r0, c7, c10, 4 @ drain WB 357 mcr p15, 0, r0, c7, c10, 4 @ drain WB
380#endif /* CONFIG_MMU */ 358#endif
381 mov pc, lr 359 mov pc, lr
382 360
383 __INIT 361 __INIT