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 @@ | |||
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 | ||
272 | 1: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D line | 265 | 1: 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) | |||
288 | ENTRY(xsc3_dma_clean_range) | 280 | ENTRY(xsc3_dma_clean_range) |
289 | bic r0, r0, #CACHELINESIZE - 1 | 281 | bic r0, r0, #CACHELINESIZE - 1 |
290 | 1: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D line | 282 | 1: 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) | |||
306 | ENTRY(xsc3_dma_flush_range) | 297 | ENTRY(xsc3_dma_flush_range) |
307 | bic r0, r0, #CACHELINESIZE - 1 | 298 | bic r0, r0, #CACHELINESIZE - 1 |
308 | 1: mcr p15, 0, r0, c7, c14, 1 @ clean/invalidate L1 D line | 299 | 1: 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 |