Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh...

[pandora-kernel.git] / arch / arm / mm / proc-v6.S

diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 7b1843b..eb42e5b 100644 (file)
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -14,10 +14,13 @@
 #include <asm/assembler.h>
 #include <asm/asm-offsets.h>
 #include <asm/elf.h>
-#include <asm/hardware/arm_scu.h>
 #include <asm/pgtable-hwdef.h>
 #include <asm/pgtable.h>
 
+#ifdef CONFIG_SMP
+#include <asm/hardware/arm_scu.h>
+#endif
+
 #include "proc-macros.S"
 
 #define D_CACHE_LINE_SIZE      32
@@ -30,6 +33,12 @@
 #define TTB_RGN_WT     (2 << 3)
 #define TTB_RGN_WB     (3 << 3)
 
+#ifndef CONFIG_SMP
+#define TTB_FLAGS      TTB_RGN_WBWA
+#else
+#define TTB_FLAGS      TTB_RGN_WBWA|TTB_S
+#endif
+
 ENTRY(cpu_v6_proc_init)
        mov     pc, lr
 
@@ -92,9 +101,7 @@ ENTRY(cpu_v6_switch_mm)
 #ifdef CONFIG_MMU
        mov     r2, #0
        ldr     r1, [r1, #MM_CONTEXT_ID]        @ get mm->context.id
-#ifdef CONFIG_SMP
-       orr     r0, r0, #TTB_RGN_WBWA|TTB_S     @ mark PTWs shared, outer cacheable
-#endif
+       orr     r0, r0, #TTB_FLAGS
        mcr     p15, 0, r2, c7, c5, 6           @ flush BTAC/BTB
        mcr     p15, 0, r2, c7, c10, 4          @ drain write buffer
        mcr     p15, 0, r0, c2, c0, 0           @ set TTB 0
@@ -183,8 +190,7 @@ __v6_setup:
        /* Set up the SCU on core 0 only */
        mrc     p15, 0, r0, c0, c0, 5           @ CPU core number
        ands    r0, r0, #15
-       moveq   r0, #0x10000000 @ SCU_BASE
-       orreq   r0, r0, #0x00100000
+       ldreq   r0, =SCU_BASE
        ldreq   r5, [r0, #SCU_CTRL]
        orreq   r5, r5, #1
        streq   r5, [r0, #SCU_CTRL]
@@ -204,9 +210,7 @@ __v6_setup:
 #ifdef CONFIG_MMU
        mcr     p15, 0, r0, c8, c7, 0           @ invalidate I + D TLBs
        mcr     p15, 0, r0, c2, c0, 2           @ TTB control register
-#ifdef CONFIG_SMP
-       orr     r4, r4, #TTB_RGN_WBWA|TTB_S     @ mark PTWs shared, outer cacheable
-#endif
+       orr     r4, r4, #TTB_FLAGS
        mcr     p15, 0, r4, c2, c0, 1           @ load TTB1
 #endif /* CONFIG_MMU */
        adr     r5, v6_crval