Merge branches 'release', 'cpuidle-2.6.25' and 'idle' into release

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / 44x / misc_44x.S

diff --git a/arch/powerpc/platforms/44x/misc_44x.S b/arch/powerpc/platforms/44x/misc_44x.S
index 52bde71485bdc100c378ccd18756c88ed77c4031..3bce71d5d75632b6e96bad53922a6af5cf00168d 100644 (file)
--- a/arch/powerpc/platforms/44x/misc_44x.S
+++ b/arch/powerpc/platforms/44x/misc_44x.S
@@ -14,6 +14,37 @@
 
        .text
 
+/*
+ * Do an IO access in AS1
+ */
+_GLOBAL(as1_readb)
+       mfmsr   r7
+       ori     r0,r7,MSR_DS
+       sync
+       mtmsr   r0
+       sync
+       isync
+       lbz     r3,0(r3)
+       sync
+       mtmsr   r7
+       sync
+       isync
+       blr
+
+_GLOBAL(as1_writeb)
+       mfmsr   r7
+       ori     r0,r7,MSR_DS
+       sync
+       mtmsr   r0
+       sync
+       isync
+       stb     r3,0(r4)
+       sync
+       mtmsr   r7
+       sync
+       isync
+       blr
+
 /*
  * void ppc44x_reset_system(char *cmd)
  *