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ARM: mach-prima2: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size

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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>
This commit is contained in:
Nicolas Pitre 2011-09-02 21:05:10 -04:00 committed by Nicolas Pitre
parent 96f90c7915
commit 98b0124f0e
2 changed files with 1 additions and 7 deletions
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7
arch/arm/mach-prima2/include/mach/memory.h
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@ -11,11 +11,4 @@
#define PLAT_PHYS_OFFSET UL(0x00000000)
/*
* Restrict DMA-able region to workaround silicon limitation.
* The limitation restricts buffers available for DMA to SD/MMC
* hardware to be below 256MB
*/
#define ARM_DMA_ZONE_SIZE (SZ_256M)
#endif

1
arch/arm/mach-prima2/prima2.c
View File

@ -36,6 +36,7 @@ MACHINE_START(PRIMA2_EVB, "prima2cb")
.map_io = sirfsoc_map_lluart,
.init_irq = sirfsoc_of_irq_init,
.timer = &sirfsoc_timer,
.dma_zone_size = SZ_256M,
.init_machine = sirfsoc_mach_init,
.dt_compat = prima2cb_dt_match,
MACHINE_END