1 files changed, 38 insertions, 17 deletions

diff --git a/arch/mips/mm/cache.c b/arch/mips/mm/cache.c
index 102b2dfa542..be8627bc5b0 100644
--- a/arch/mips/mm/cache.c
+++ b/arch/mips/mm/cache.c
@@ -137,25 +137,46 @@ EXPORT_SYMBOL_GPL(_page_cachable_default);
 
 static inline void setup_protection_map(void)
 {
-        protection_map[0] = PAGE_NONE;
-        protection_map[1] = PAGE_READONLY;
-        protection_map[2] = PAGE_COPY;
-        protection_map[3] = PAGE_COPY;
-        protection_map[4] = PAGE_READONLY;
-        protection_map[5] = PAGE_READONLY;
-        protection_map[6] = PAGE_COPY;
-        protection_map[7] = PAGE_COPY;
-        protection_map[8] = PAGE_NONE;
-        protection_map[9] = PAGE_READONLY;
-        protection_map[10] = PAGE_SHARED;
-        protection_map[11] = PAGE_SHARED;
-        protection_map[12] = PAGE_READONLY;
-        protection_map[13] = PAGE_READONLY;
-        protection_map[14] = PAGE_SHARED;
-        protection_map[15] = PAGE_SHARED;
+        if (kernel_uses_smartmips_rixi) {
+                protection_map[0]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[1]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[2]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[3]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[4]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[5]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+                protection_map[6]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[7]  = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+
+                protection_map[8]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_NO_READ);
+                protection_map[9]  = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC);
+                protection_map[10] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE | _PAGE_NO_READ);
+                protection_map[11] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_EXEC | _PAGE_WRITE);
+                protection_map[12] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_NO_READ);
+                protection_map[13] = __pgprot(_page_cachable_default | _PAGE_PRESENT);
+                protection_map[14] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE  | _PAGE_NO_READ);
+                protection_map[15] = __pgprot(_page_cachable_default | _PAGE_PRESENT | _PAGE_WRITE);
+
+        } else {
+                protection_map[0] = PAGE_NONE;
+                protection_map[1] = PAGE_READONLY;
+                protection_map[2] = PAGE_COPY;
+                protection_map[3] = PAGE_COPY;
+                protection_map[4] = PAGE_READONLY;
+                protection_map[5] = PAGE_READONLY;
+                protection_map[6] = PAGE_COPY;
+                protection_map[7] = PAGE_COPY;
+                protection_map[8] = PAGE_NONE;
+                protection_map[9] = PAGE_READONLY;
+                protection_map[10] = PAGE_SHARED;
+                protection_map[11] = PAGE_SHARED;
+                protection_map[12] = PAGE_READONLY;
+                protection_map[13] = PAGE_READONLY;
+                protection_map[14] = PAGE_SHARED;
+                protection_map[15] = PAGE_SHARED;
+        }
 }
 
-void __devinit cpu_cache_init(void)
+void __cpuinit cpu_cache_init(void)
 {
         if (cpu_has_3k_cache) {
                 extern void __weak r3k_cache_init(void);