diff options
Diffstat (limited to 'arch/arm/mm/proc-xsc3.S')
| -rw-r--r-- | arch/arm/mm/proc-xsc3.S | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S index 3533741a76f6..6ff53c24510f 100644 --- a/arch/arm/mm/proc-xsc3.S +++ b/arch/arm/mm/proc-xsc3.S @@ -52,11 +52,6 @@ #define CACHESIZE 32768 /* - * Run with L2 enabled. - */ -#define L2_CACHE_ENABLE 1 - -/* * This macro is used to wait for a CP15 write and is needed when we * have to ensure that the last operation to the coprocessor was * completed before continuing with operation. @@ -265,12 +260,9 @@ ENTRY(xsc3_dma_inv_range) tst r0, #CACHELINESIZE - 1 bic r0, r0, #CACHELINESIZE - 1 mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D line - mcrne p15, 1, r0, c7, c11, 1 @ clean L2 line tst r1, #CACHELINESIZE - 1 mcrne p15, 0, r1, c7, c10, 1 @ clean L1 D line - mcrne p15, 1, r1, c7, c11, 1 @ clean L2 line 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D line - mcr p15, 1, r0, c7, c7, 1 @ invalidate L2 line add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b @@ -288,7 +280,6 @@ ENTRY(xsc3_dma_inv_range) ENTRY(xsc3_dma_clean_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line - mcr p15, 1, r0, c7, c11, 1 @ clean L2 line add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b @@ -306,8 +297,6 @@ ENTRY(xsc3_dma_clean_range) ENTRY(xsc3_dma_flush_range) bic r0, r0, #CACHELINESIZE - 1 1: mcr p15, 0, r0, c7, c14, 1 @ clean/invalidate L1 D line - mcr p15, 1, r0, c7, c11, 1 @ clean L2 line - mcr p15, 1, r0, c7, c7, 1 @ invalidate L2 line add r0, r0, #CACHELINESIZE cmp r0, r1 blo 1b @@ -347,9 +336,7 @@ ENTRY(cpu_xsc3_switch_mm) mcr p15, 0, ip, c7, c5, 0 @ invalidate L1 I cache and BTB mcr p15, 0, ip, c7, c10, 4 @ data write barrier mcr p15, 0, ip, c7, c5, 4 @ prefetch flush -#ifdef L2_CACHE_ENABLE orr r0, r0, #0x18 @ cache the page table in L2 -#endif mcr p15, 0, r0, c2, c0, 0 @ load page table pointer mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs cpwait_ret lr, ip @@ -378,12 +365,10 @@ ENTRY(cpu_xsc3_set_pte_ext) orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w @ combined with user -> user r/w -#if L2_CACHE_ENABLE @ If it's cacheable, it needs to be in L2 also. eor ip, r1, #L_PTE_CACHEABLE tst ip, #L_PTE_CACHEABLE orreq r2, r2, #PTE_EXT_TEX(0x5) -#endif tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ present and young? movne r2, #0 @ no -> fault @@ -408,9 +393,7 @@ __xsc3_setup: mcr p15, 0, ip, c7, c10, 4 @ data write barrier mcr p15, 0, ip, c7, c5, 4 @ prefetch flush mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs -#if L2_CACHE_ENABLE orr r4, r4, #0x18 @ cache the page table in L2 -#endif mcr p15, 0, r4, c2, c0, 0 @ load page table pointer mov r0, #0 @ don't allow CP access @@ -418,9 +401,7 @@ __xsc3_setup: mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg and r0, r0, #2 @ preserve bit P bit setting -#if L2_CACHE_ENABLE orr r0, r0, #(1 << 10) @ enable L2 for LLR cache -#endif mcr p15, 0, r0, c1, c0, 1 @ set auxiliary control reg adr r5, xsc3_crval @@ -429,9 +410,6 @@ __xsc3_setup: bic r0, r0, r5 @ ..V. ..R. .... ..A. orr r0, r0, r6 @ ..VI Z..S .... .C.M (mmu) @ ...I Z..S .... .... (uc) -#if L2_CACHE_ENABLE - orr r0, r0, #0x04000000 @ L2 enable -#endif mov pc, lr .size __xsc3_setup, . - __xsc3_setup |