X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Farm%2Fmm%2Fcache-v7.S;h=a3ebf7a4f49b2b404da115a58e7fdf6923792625;hb=5cc103506289de7ee0a0b526ae0381541990cad4;hp=06a90dcfc60a6f0cc0b88d5a02bfefdbfeb8610a;hpb=1c62c72b1a3c4478fb9069503d20c41b1f385ca1;p=mv-sheeva.git diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 06a90dcfc60..a3ebf7a4f49 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -17,6 +17,21 @@ #include "proc-macros.S" +/* + * v7_flush_icache_all() + * + * Flush the whole I-cache. + * + * Registers: + * r0 - set to 0 + */ +ENTRY(v7_flush_icache_all) + mov r0, #0 + ALT_SMP(mcr p15, 0, r0, c7, c1, 0) @ invalidate I-cache inner shareable + ALT_UP(mcr p15, 0, r0, c7, c5, 0) @ I+BTB cache invalidate + mov pc, lr +ENDPROC(v7_flush_icache_all) + /* * v7_flush_dcache_all() * @@ -91,7 +106,8 @@ ENTRY(v7_flush_kern_cache_all) THUMB( stmfd sp!, {r4-r7, r9-r11, lr} ) bl v7_flush_dcache_all mov r0, #0 - mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate + ALT_SMP(mcr p15, 0, r0, c7, c1, 0) @ invalidate I-cache inner shareable + ALT_UP(mcr p15, 0, r0, c7, c5, 0) @ I+BTB cache invalidate ARM( ldmfd sp!, {r4-r5, r7, r9-r11, lr} ) THUMB( ldmfd sp!, {r4-r7, r9-r11, lr} ) mov pc, lr @@ -167,11 +183,8 @@ ENTRY(v7_coherent_user_range) cmp r0, r1 blo 1b mov r0, #0 -#ifdef CONFIG_SMP - mcr p15, 0, r0, c7, c1, 6 @ invalidate BTB Inner Shareable -#else - mcr p15, 0, r0, c7, c5, 6 @ invalidate BTB -#endif + ALT_SMP(mcr p15, 0, r0, c7, c1, 6) @ invalidate BTB Inner Shareable + ALT_UP(mcr p15, 0, r0, c7, c5, 6) @ invalidate BTB dsb isb mov pc, lr @@ -305,6 +318,7 @@ ENDPROC(v7_dma_unmap_area) .type v7_cache_fns, #object ENTRY(v7_cache_fns) + .long v7_flush_icache_all .long v7_flush_kern_cache_all .long v7_flush_user_cache_all .long v7_flush_user_cache_range