powerpc: add 2 common dcache assembly functions

[karo-tx-uboot.git] / arch / powerpc / cpu / ppc4xx / cache.S

diff --git a/arch/powerpc/cpu/ppc4xx/cache.S b/arch/powerpc/cpu/ppc4xx/cache.S
index 2714c2f9386aea4d337c59ccb0d5f8e34258dcd2..93e83662ee35b87f4bb0c4c845f337a298d8f123 100644 (file)
--- a/arch/powerpc/cpu/ppc4xx/cache.S
+++ b/arch/powerpc/cpu/ppc4xx/cache.S
@@ -73,49 +73,6 @@ _GLOBAL(clean_dcache_range)
        sync                            /* wait for dcbst's to get to ram */
        blr
 
-/*
- * Write any modified data cache blocks out to memory and invalidate them.
- * Does not invalidate the corresponding instruction cache blocks.
- *
- * flush_dcache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(flush_dcache_range)
-       li      r5,L1_CACHE_BYTES-1
-       andc    r3,r3,r5
-       subf    r4,r3,r4
-       add     r4,r4,r5
-       srwi.   r4,r4,L1_CACHE_SHIFT
-       beqlr
-       mtctr   r4
-
-1:     dcbf    0,r3
-       addi    r3,r3,L1_CACHE_BYTES
-       bdnz    1b
-       sync                            /* wait for dcbst's to get to ram */
-       blr
-
-/*
- * Like above, but invalidate the D-cache.  This is used by the 8xx
- * to invalidate the cache so the PPC core doesn't get stale data
- * from the CPM (no cache snooping here :-).
- *
- * invalidate_dcache_range(unsigned long start, unsigned long stop)
- */
-_GLOBAL(invalidate_dcache_range)
-       li      r5,L1_CACHE_BYTES-1
-       andc    r3,r3,r5
-       subf    r4,r3,r4
-       add     r4,r4,r5
-       srwi.   r4,r4,L1_CACHE_SHIFT
-       beqlr
-       mtctr   r4
-
-1:     dcbi    0,r3
-       addi    r3,r3,L1_CACHE_BYTES
-       bdnz    1b
-       sync                            /* wait for dcbi's to get to ram */
-       blr
-
 /*
  * 40x cores have 8K or 16K dcache and 32 byte line size.
  * 44x has a 32K dcache and 32 byte line size.