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-rw-r--r--arch/arm/mm/proc-xsc3.S22
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 @@
52#define CACHESIZE 32768 52#define CACHESIZE 32768
53 53
54/* 54/*
55 * Run with L2 enabled.
56 */
57#define L2_CACHE_ENABLE 1
58
59/*
60 * This macro is used to wait for a CP15 write and is needed when we 55 * This macro is used to wait for a CP15 write and is needed when we
61 * have to ensure that the last operation to the coprocessor was 56 * have to ensure that the last operation to the coprocessor was
62 * completed before continuing with operation. 57 * completed before continuing with operation.
@@ -265,12 +260,9 @@ ENTRY(xsc3_dma_inv_range)
265 tst r0, #CACHELINESIZE - 1 260 tst r0, #CACHELINESIZE - 1
266 bic r0, r0, #CACHELINESIZE - 1 261 bic r0, r0, #CACHELINESIZE - 1
267 mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D line 262 mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D line
268 mcrne p15, 1, r0, c7, c11, 1 @ clean L2 line
269 tst r1, #CACHELINESIZE - 1 263 tst r1, #CACHELINESIZE - 1
270 mcrne p15, 0, r1, c7, c10, 1 @ clean L1 D line 264 mcrne p15, 0, r1, c7, c10, 1 @ clean L1 D line
271 mcrne p15, 1, r1, c7, c11, 1 @ clean L2 line
2721: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D line 2651: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D line
273 mcr p15, 1, r0, c7, c7, 1 @ invalidate L2 line
274 add r0, r0, #CACHELINESIZE 266 add r0, r0, #CACHELINESIZE
275 cmp r0, r1 267 cmp r0, r1
276 blo 1b 268 blo 1b
@@ -288,7 +280,6 @@ ENTRY(xsc3_dma_inv_range)
288ENTRY(xsc3_dma_clean_range) 280ENTRY(xsc3_dma_clean_range)
289 bic r0, r0, #CACHELINESIZE - 1 281 bic r0, r0, #CACHELINESIZE - 1
2901: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line 2821: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line
291 mcr p15, 1, r0, c7, c11, 1 @ clean L2 line
292 add r0, r0, #CACHELINESIZE 283 add r0, r0, #CACHELINESIZE
293 cmp r0, r1 284 cmp r0, r1
294 blo 1b 285 blo 1b
@@ -306,8 +297,6 @@ ENTRY(xsc3_dma_clean_range)
306ENTRY(xsc3_dma_flush_range) 297ENTRY(xsc3_dma_flush_range)
307 bic r0, r0, #CACHELINESIZE - 1 298 bic r0, r0, #CACHELINESIZE - 1
3081: mcr p15, 0, r0, c7, c14, 1 @ clean/invalidate L1 D line 2991: mcr p15, 0, r0, c7, c14, 1 @ clean/invalidate L1 D line
309 mcr p15, 1, r0, c7, c11, 1 @ clean L2 line
310 mcr p15, 1, r0, c7, c7, 1 @ invalidate L2 line
311 add r0, r0, #CACHELINESIZE 300 add r0, r0, #CACHELINESIZE
312 cmp r0, r1 301 cmp r0, r1
313 blo 1b 302 blo 1b
@@ -347,9 +336,7 @@ ENTRY(cpu_xsc3_switch_mm)
347 mcr p15, 0, ip, c7, c5, 0 @ invalidate L1 I cache and BTB 336 mcr p15, 0, ip, c7, c5, 0 @ invalidate L1 I cache and BTB
348 mcr p15, 0, ip, c7, c10, 4 @ data write barrier 337 mcr p15, 0, ip, c7, c10, 4 @ data write barrier
349 mcr p15, 0, ip, c7, c5, 4 @ prefetch flush 338 mcr p15, 0, ip, c7, c5, 4 @ prefetch flush
350#ifdef L2_CACHE_ENABLE
351 orr r0, r0, #0x18 @ cache the page table in L2 339 orr r0, r0, #0x18 @ cache the page table in L2
352#endif
353 mcr p15, 0, r0, c2, c0, 0 @ load page table pointer 340 mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
354 mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs 341 mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs
355 cpwait_ret lr, ip 342 cpwait_ret lr, ip
@@ -378,12 +365,10 @@ ENTRY(cpu_xsc3_set_pte_ext)
378 orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w 365 orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w
379 @ combined with user -> user r/w 366 @ combined with user -> user r/w
380 367
381#if L2_CACHE_ENABLE
382 @ If it's cacheable, it needs to be in L2 also. 368 @ If it's cacheable, it needs to be in L2 also.
383 eor ip, r1, #L_PTE_CACHEABLE 369 eor ip, r1, #L_PTE_CACHEABLE
384 tst ip, #L_PTE_CACHEABLE 370 tst ip, #L_PTE_CACHEABLE
385 orreq r2, r2, #PTE_EXT_TEX(0x5) 371 orreq r2, r2, #PTE_EXT_TEX(0x5)
386#endif
387 372
388 tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ present and young? 373 tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ present and young?
389 movne r2, #0 @ no -> fault 374 movne r2, #0 @ no -> fault
@@ -408,9 +393,7 @@ __xsc3_setup:
408 mcr p15, 0, ip, c7, c10, 4 @ data write barrier 393 mcr p15, 0, ip, c7, c10, 4 @ data write barrier
409 mcr p15, 0, ip, c7, c5, 4 @ prefetch flush 394 mcr p15, 0, ip, c7, c5, 4 @ prefetch flush
410 mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs 395 mcr p15, 0, ip, c8, c7, 0 @ invalidate I and D TLBs
411#if L2_CACHE_ENABLE
412 orr r4, r4, #0x18 @ cache the page table in L2 396 orr r4, r4, #0x18 @ cache the page table in L2
413#endif
414 mcr p15, 0, r4, c2, c0, 0 @ load page table pointer 397 mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
415 398
416 mov r0, #0 @ don't allow CP access 399 mov r0, #0 @ don't allow CP access
@@ -418,9 +401,7 @@ __xsc3_setup:
418 401
419 mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg 402 mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg
420 and r0, r0, #2 @ preserve bit P bit setting 403 and r0, r0, #2 @ preserve bit P bit setting
421#if L2_CACHE_ENABLE
422 orr r0, r0, #(1 << 10) @ enable L2 for LLR cache 404 orr r0, r0, #(1 << 10) @ enable L2 for LLR cache
423#endif
424 mcr p15, 0, r0, c1, c0, 1 @ set auxiliary control reg 405 mcr p15, 0, r0, c1, c0, 1 @ set auxiliary control reg
425 406
426 adr r5, xsc3_crval 407 adr r5, xsc3_crval
@@ -429,9 +410,6 @@ __xsc3_setup:
429 bic r0, r0, r5 @ ..V. ..R. .... ..A. 410 bic r0, r0, r5 @ ..V. ..R. .... ..A.
430 orr r0, r0, r6 @ ..VI Z..S .... .C.M (mmu) 411 orr r0, r0, r6 @ ..VI Z..S .... .C.M (mmu)
431 @ ...I Z..S .... .... (uc) 412 @ ...I Z..S .... .... (uc)
432#if L2_CACHE_ENABLE
433 orr r0, r0, #0x04000000 @ L2 enable
434#endif
435 mov pc, lr 413 mov pc, lr
436 414
437 .size __xsc3_setup, . - __xsc3_setup 415 .size __xsc3_setup, . - __xsc3_setup