1 files changed, 33 insertions, 16 deletions

diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 22aac851519..59a7e1ffe7b 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -30,13 +30,10 @@
 #define TTB_RGN_WT      (2 << 3)
 #define TTB_RGN_WB      (3 << 3)
 
-#ifndef CONFIG_SMP
-#define TTB_FLAGS       TTB_RGN_WBWA
-#define PMD_FLAGS       PMD_SECT_WB
-#else
-#define TTB_FLAGS       TTB_RGN_WBWA|TTB_S
-#define PMD_FLAGS       PMD_SECT_WBWA|PMD_SECT_S
-#endif
+#define TTB_FLAGS_UP    TTB_RGN_WBWA
+#define PMD_FLAGS_UP    PMD_SECT_WB
+#define TTB_FLAGS_SMP   TTB_RGN_WBWA|TTB_S
+#define PMD_FLAGS_SMP   PMD_SECT_WBWA|PMD_SECT_S
 
 ENTRY(cpu_v6_proc_init)
         mov     pc, lr
@@ -97,7 +94,8 @@ ENTRY(cpu_v6_switch_mm)
 #ifdef CONFIG_MMU
         mov     r2, #0
         ldr     r1, [r1, #MM_CONTEXT_ID]        @ get mm->context.id
-        orr     r0, r0, #TTB_FLAGS
+        ALT_SMP(orr     r0, r0, #TTB_FLAGS_SMP)
+        ALT_UP(orr      r0, r0, #TTB_FLAGS_UP)
         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
@@ -137,7 +135,7 @@ cpu_pj4_name:
 
         .align
 
-        __INIT
+        __CPUINIT
 
 /*
  *      __v6_setup
@@ -156,9 +154,11 @@ cpu_pj4_name:
  */
 __v6_setup:
 #ifdef CONFIG_SMP
-        mrc     p15, 0, r0, c1, c0, 1           @ Enable SMP/nAMP mode
+        ALT_SMP(mrc     p15, 0, r0, c1, c0, 1)  @ Enable SMP/nAMP mode
+        ALT_UP(nop)
         orr     r0, r0, #0x20
-        mcr     p15, 0, r0, c1, c0, 1
+        ALT_SMP(mcr     p15, 0, r0, c1, c0, 1)
+        ALT_UP(nop)
 #endif
 
         mov     r0, #0
@@ -169,7 +169,8 @@ __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
-        orr     r4, r4, #TTB_FLAGS
+        ALT_SMP(orr     r4, r4, #TTB_FLAGS_SMP)
+        ALT_UP(orr      r4, r4, #TTB_FLAGS_UP)
         mcr     p15, 0, r4, c2, c0, 1           @ load TTB1
 #endif /* CONFIG_MMU */
         adr     r5, v6_crval
@@ -192,6 +193,8 @@ __v6_setup:
 v6_crval:
         crval   clear=0x01e0fb7f, mmuset=0x00c0387d, ucset=0x00c0187c
 
+        __INITDATA
+
         .type   v6_processor_functions, #object
 ENTRY(v6_processor_functions)
         .word   v6_early_abort
@@ -205,6 +208,8 @@ ENTRY(v6_processor_functions)
         .word   cpu_v6_set_pte_ext
         .size   v6_processor_functions, . - v6_processor_functions
 
+        .section ".rodata"
+
         .type   cpu_arch_name, #object
 cpu_arch_name:
         .asciz  "armv6"
@@ -225,10 +230,16 @@ cpu_elf_name:
 __v6_proc_info:
         .long   0x0007b000
         .long   0x0007f000
-        .long   PMD_TYPE_SECT | \
+        ALT_SMP(.long \
+                PMD_TYPE_SECT | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ | \
-                PMD_FLAGS
+                PMD_FLAGS_SMP)
+        ALT_UP(.long \
+                PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ | \
+                PMD_FLAGS_UP)
         .long   PMD_TYPE_SECT | \
                 PMD_SECT_XN | \
                 PMD_SECT_AP_WRITE | \
@@ -249,10 +260,16 @@ __v6_proc_info:
 __pj4_v6_proc_info:
         .long   0x560f5810
         .long   0xff0ffff0
-        .long   PMD_TYPE_SECT | \
+        ALT_SMP(.long \
+                PMD_TYPE_SECT | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ | \
+                PMD_FLAGS_SMP)
+        ALT_UP(.long \
+                PMD_TYPE_SECT | \
                 PMD_SECT_AP_WRITE | \
                 PMD_SECT_AP_READ | \
-                PMD_FLAGS
+                PMD_FLAGS_UP)
         .long   PMD_TYPE_SECT | \
                 PMD_SECT_XN | \
                 PMD_SECT_AP_WRITE | \