diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 20:15:15 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 20:15:15 +0300 |
| commit | ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9 (patch) | |
| tree | 816e5ac643b15c2050c64a7075f0f7e13d86ea09 /arch/arm/mm/proc-arm1020e.S | |
| parent | b1bf9368407ae7e89d8a005bb40beb70a41df539 (diff) | |
| parent | 9f33be2c3a80bdc2cc08342dd77fac87652e0548 (diff) | |
| download | linux-ac0f6f927db539e03e1f3f61bcd4ed57d5cde7a9.tar.xz | |
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-arm1020e.S')
| -rw-r--r-- | arch/arm/mm/proc-arm1020e.S | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S index 41fe25d234f5..d27829805609 100644 --- a/arch/arm/mm/proc-arm1020e.S +++ b/arch/arm/mm/proc-arm1020e.S @@ -258,7 +258,7 @@ ENTRY(arm1020e_flush_kern_dcache_area) * * (same as v4wb) */ -ENTRY(arm1020e_dma_inv_range) +arm1020e_dma_inv_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE tst r0, #CACHE_DLINESIZE - 1 @@ -284,7 +284,7 @@ ENTRY(arm1020e_dma_inv_range) * * (same as v4wb) */ -ENTRY(arm1020e_dma_clean_range) +arm1020e_dma_clean_range: mov ip, #0 #ifndef CONFIG_CPU_DCACHE_DISABLE bic r0, r0, #CACHE_DLINESIZE - 1 @@ -316,6 +316,30 @@ ENTRY(arm1020e_dma_flush_range) mcr p15, 0, ip, c7, c10, 4 @ drain WB mov pc, lr +/* + * dma_map_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_map_area) + add r1, r1, r0 + cmp r2, #DMA_TO_DEVICE + beq arm1020e_dma_clean_range + bcs arm1020e_dma_inv_range + b arm1020e_dma_flush_range +ENDPROC(arm1020e_dma_map_area) + +/* + * dma_unmap_area(start, size, dir) + * - start - kernel virtual start address + * - size - size of region + * - dir - DMA direction + */ +ENTRY(arm1020e_dma_unmap_area) + mov pc, lr +ENDPROC(arm1020e_dma_unmap_area) + ENTRY(arm1020e_cache_fns) .long arm1020e_flush_kern_cache_all .long arm1020e_flush_user_cache_all @@ -323,8 +347,8 @@ ENTRY(arm1020e_cache_fns) .long arm1020e_coherent_kern_range .long arm1020e_coherent_user_range .long arm1020e_flush_kern_dcache_area - .long arm1020e_dma_inv_range - .long arm1020e_dma_clean_range + .long arm1020e_dma_map_area + .long arm1020e_dma_unmap_area .long arm1020e_dma_flush_range .align 5 |