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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 12:15:15 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 12:15:15 -0500 |
commit | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (patch) | |
tree | 816e5ac643b15c2050c64a7075f0f7e13d86ea09 /arch/arm/mm/proc-xscale.S | |
parent | b1bf9368407ae7e89d8a005bb40beb70a41df539 (diff) | |
parent | 9f33be2c3a80bdc2cc08342dd77fac87652e0548 (diff) |
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (100 commits)
ARM: Eliminate decompressor -Dstatic= PIC hack
ARM: 5958/1: ARM: U300: fix inverted clk round rate
ARM: 5956/1: misplaced parentheses
ARM: 5955/1: ep93xx: move timer defines into core.c and document
ARM: 5954/1: ep93xx: move gpio interrupt support to gpio.c
ARM: 5953/1: ep93xx: fix broken build of clock.c
ARM: 5952/1: ARM: MM: Add ARM_L1_CACHE_SHIFT_6 for handle inside each ARCH Kconfig
ARM: 5949/1: NUC900 add gpio virtual memory map
ARM: 5948/1: Enable timer0 to time4 clock support for nuc910
ARM: 5940/2: ARM: MMCI: remove custom DBG macro and printk
ARM: make_coherent(): fix problems with highpte, part 2
MM: Pass a PTE pointer to update_mmu_cache() rather than the PTE itself
ARM: 5945/1: ep93xx: include correct irq.h in core.c
ARM: 5933/1: amba-pl011: support hardware flow control
ARM: 5930/1: Add PKMAP area description to memory.txt.
ARM: 5929/1: Add checks to detect overlap of memory regions.
ARM: 5928/1: Change type of VMALLOC_END to unsigned long.
ARM: 5927/1: Make delimiters of DMA area globally visibly.
ARM: 5926/1: Add "Virtual kernel memory..." printout.
ARM: 5920/1: OMAP4: Enable L2 Cache
...
Fix up trivial conflict in arch/arm/mach-mx25/clock.c
Diffstat (limited to 'arch/arm/mm/proc-xscale.S')
-rw-r--r-- | arch/arm/mm/proc-xscale.S | 49 |
1 files changed, 43 insertions, 6 deletions
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S index 93df47265f2d..63037e2162f2 100644 --- a/arch/arm/mm/proc-xscale.S +++ b/arch/arm/mm/proc-xscale.S | |||
@@ -315,7 +315,7 @@ ENTRY(xscale_flush_kern_dcache_area) | |||
315 | * - start - virtual start address | 315 | * - start - virtual start address |
316 | * - end - virtual end address | 316 | * - end - virtual end address |
317 | */ | 317 | */ |
318 | ENTRY(xscale_dma_inv_range) | 318 | xscale_dma_inv_range: |
319 | tst r0, #CACHELINESIZE - 1 | 319 | tst r0, #CACHELINESIZE - 1 |
320 | bic r0, r0, #CACHELINESIZE - 1 | 320 | bic r0, r0, #CACHELINESIZE - 1 |
321 | mcrne p15, 0, r0, c7, c10, 1 @ clean D entry | 321 | mcrne p15, 0, r0, c7, c10, 1 @ clean D entry |
@@ -336,7 +336,7 @@ ENTRY(xscale_dma_inv_range) | |||
336 | * - start - virtual start address | 336 | * - start - virtual start address |
337 | * - end - virtual end address | 337 | * - end - virtual end address |
338 | */ | 338 | */ |
339 | ENTRY(xscale_dma_clean_range) | 339 | xscale_dma_clean_range: |
340 | bic r0, r0, #CACHELINESIZE - 1 | 340 | bic r0, r0, #CACHELINESIZE - 1 |
341 | 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry | 341 | 1: mcr p15, 0, r0, c7, c10, 1 @ clean D entry |
342 | add r0, r0, #CACHELINESIZE | 342 | add r0, r0, #CACHELINESIZE |
@@ -363,6 +363,43 @@ ENTRY(xscale_dma_flush_range) | |||
363 | mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer | 363 | mcr p15, 0, r0, c7, c10, 4 @ Drain Write (& Fill) Buffer |
364 | mov pc, lr | 364 | mov pc, lr |
365 | 365 | ||
366 | /* | ||
367 | * dma_map_area(start, size, dir) | ||
368 | * - start - kernel virtual start address | ||
369 | * - size - size of region | ||
370 | * - dir - DMA direction | ||
371 | */ | ||
372 | ENTRY(xscale_dma_map_area) | ||
373 | add r1, r1, r0 | ||
374 | cmp r2, #DMA_TO_DEVICE | ||
375 | beq xscale_dma_clean_range | ||
376 | bcs xscale_dma_inv_range | ||
377 | b xscale_dma_flush_range | ||
378 | ENDPROC(xscale_dma_map_area) | ||
379 | |||
380 | /* | ||
381 | * dma_map_area(start, size, dir) | ||
382 | * - start - kernel virtual start address | ||
383 | * - size - size of region | ||
384 | * - dir - DMA direction | ||
385 | */ | ||
386 | ENTRY(xscale_dma_a0_map_area) | ||
387 | add r1, r1, r0 | ||
388 | teq r2, #DMA_TO_DEVICE | ||
389 | beq xscale_dma_clean_range | ||
390 | b xscale_dma_flush_range | ||
391 | ENDPROC(xscsale_dma_a0_map_area) | ||
392 | |||
393 | /* | ||
394 | * dma_unmap_area(start, size, dir) | ||
395 | * - start - kernel virtual start address | ||
396 | * - size - size of region | ||
397 | * - dir - DMA direction | ||
398 | */ | ||
399 | ENTRY(xscale_dma_unmap_area) | ||
400 | mov pc, lr | ||
401 | ENDPROC(xscale_dma_unmap_area) | ||
402 | |||
366 | ENTRY(xscale_cache_fns) | 403 | ENTRY(xscale_cache_fns) |
367 | .long xscale_flush_kern_cache_all | 404 | .long xscale_flush_kern_cache_all |
368 | .long xscale_flush_user_cache_all | 405 | .long xscale_flush_user_cache_all |
@@ -370,8 +407,8 @@ ENTRY(xscale_cache_fns) | |||
370 | .long xscale_coherent_kern_range | 407 | .long xscale_coherent_kern_range |
371 | .long xscale_coherent_user_range | 408 | .long xscale_coherent_user_range |
372 | .long xscale_flush_kern_dcache_area | 409 | .long xscale_flush_kern_dcache_area |
373 | .long xscale_dma_inv_range | 410 | .long xscale_dma_map_area |
374 | .long xscale_dma_clean_range | 411 | .long xscale_dma_unmap_area |
375 | .long xscale_dma_flush_range | 412 | .long xscale_dma_flush_range |
376 | 413 | ||
377 | /* | 414 | /* |
@@ -394,8 +431,8 @@ ENTRY(xscale_80200_A0_A1_cache_fns) | |||
394 | .long xscale_coherent_kern_range | 431 | .long xscale_coherent_kern_range |
395 | .long xscale_coherent_user_range | 432 | .long xscale_coherent_user_range |
396 | .long xscale_flush_kern_dcache_area | 433 | .long xscale_flush_kern_dcache_area |
397 | .long xscale_dma_flush_range | 434 | .long xscale_dma_a0_map_area |
398 | .long xscale_dma_clean_range | 435 | .long xscale_dma_unmap_area |
399 | .long xscale_dma_flush_range | 436 | .long xscale_dma_flush_range |
400 | 437 | ||
401 | ENTRY(cpu_xscale_dcache_clean_area) | 438 | ENTRY(cpu_xscale_dcache_clean_area) |