diff options
author | Nicolas Pitre <nicolas.pitre@linaro.org> | 2011-09-02 21:05:10 -0400 |
---|---|---|
committer | Nicolas Pitre <nico@fluxnic.net> | 2011-09-06 17:25:54 -0400 |
commit | 98b0124f0e2b88ec74cbd9345cf6195e527ce251 (patch) | |
tree | 411e80fcecedcb4dbddd545757d6fad80dd8411c /arch/arm/mach-prima2 | |
parent | 96f90c791512bf8ceb50572a0e65d4cabb665c60 (diff) |
ARM: mach-prima2: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
Original comment:
Restrict DMA-able region to workaround silicon limitation.
The limitation restricts buffers available for DMA to SD/MMC
hardware to be below 256MB.
Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Diffstat (limited to 'arch/arm/mach-prima2')
-rw-r--r-- | arch/arm/mach-prima2/include/mach/memory.h | 7 | ||||
-rw-r--r-- | arch/arm/mach-prima2/prima2.c | 1 |
2 files changed, 1 insertions, 7 deletions
diff --git a/arch/arm/mach-prima2/include/mach/memory.h b/arch/arm/mach-prima2/include/mach/memory.h index 368cd5a0601a..0d5ee6af8c54 100644 --- a/arch/arm/mach-prima2/include/mach/memory.h +++ b/arch/arm/mach-prima2/include/mach/memory.h | |||
@@ -11,11 +11,4 @@ | |||
11 | 11 | ||
12 | #define PLAT_PHYS_OFFSET UL(0x00000000) | 12 | #define PLAT_PHYS_OFFSET UL(0x00000000) |
13 | 13 | ||
14 | /* | ||
15 | * Restrict DMA-able region to workaround silicon limitation. | ||
16 | * The limitation restricts buffers available for DMA to SD/MMC | ||
17 | * hardware to be below 256MB | ||
18 | */ | ||
19 | #define ARM_DMA_ZONE_SIZE (SZ_256M) | ||
20 | |||
21 | #endif | 14 | #endif |
diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c index 5654a04319fd..ee33c3d458f5 100644 --- a/arch/arm/mach-prima2/prima2.c +++ b/arch/arm/mach-prima2/prima2.c | |||
@@ -36,6 +36,7 @@ MACHINE_START(PRIMA2_EVB, "prima2cb") | |||
36 | .map_io = sirfsoc_map_lluart, | 36 | .map_io = sirfsoc_map_lluart, |
37 | .init_irq = sirfsoc_of_irq_init, | 37 | .init_irq = sirfsoc_of_irq_init, |
38 | .timer = &sirfsoc_timer, | 38 | .timer = &sirfsoc_timer, |
39 | .dma_zone_size = SZ_256M, | ||
39 | .init_machine = sirfsoc_mach_init, | 40 | .init_machine = sirfsoc_mach_init, |
40 | .dt_compat = prima2cb_dt_match, | 41 | .dt_compat = prima2cb_dt_match, |
41 | MACHINE_END | 42 | MACHINE_END |