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-rw-r--r--arch/arm/mm/proc-arm922.S26
1 files changed, 2 insertions, 24 deletions
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index 94ddcb4a4b76..51c9c9859e58 100644
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -29,7 +29,7 @@
29#include <linux/linkage.h> 29#include <linux/linkage.h>
30#include <linux/init.h> 30#include <linux/init.h>
31#include <asm/assembler.h> 31#include <asm/assembler.h>
32#include <asm/elf.h> 32#include <asm/hwcap.h>
33#include <asm/pgtable-hwdef.h> 33#include <asm/pgtable-hwdef.h>
34#include <asm/pgtable.h> 34#include <asm/pgtable.h>
35#include <asm/page.h> 35#include <asm/page.h>
@@ -355,29 +355,7 @@ ENTRY(cpu_arm922_switch_mm)
355 .align 5 355 .align 5
356ENTRY(cpu_arm922_set_pte_ext) 356ENTRY(cpu_arm922_set_pte_ext)
357#ifdef CONFIG_MMU 357#ifdef CONFIG_MMU
358 str r1, [r0], #-2048 @ linux version 358 armv3_set_pte_ext
359
360 eor r1, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
361
362 bic r2, r1, #PTE_SMALL_AP_MASK
363 bic r2, r2, #PTE_TYPE_MASK
364 orr r2, r2, #PTE_TYPE_SMALL
365
366 tst r1, #L_PTE_USER @ User?
367 orrne r2, r2, #PTE_SMALL_AP_URO_SRW
368
369 tst r1, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
370 orreq r2, r2, #PTE_SMALL_AP_UNO_SRW
371
372 tst r1, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
373 movne r2, #0
374
375#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
376 eor r3, r2, #0x0a @ C & small page?
377 tst r3, #0x0b
378 biceq r2, r2, #4
379#endif
380 str r2, [r0] @ hardware version
381 mov r0, r0 359 mov r0, r0
382 mcr p15, 0, r0, c7, c10, 1 @ clean D entry 360 mcr p15, 0, r0, c7, c10, 1 @ clean D entry
383 mcr p15, 0, r0, c7, c10, 4 @ drain WB 361 mcr p15, 0, r0, c7, c10, 4 @ drain WB