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Commit 98b0124f authored by Nicolas Pitre's avatar Nicolas Pitre Committed by Nicolas Pitre
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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: default avatarNicolas Pitre <nicolas.pitre@linaro.org>
parent 96f90c79

arch/arm/mach-prima2/include/mach/memory.h

+0 −7
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-prima2/prima2.c

+1 −0
Original line number Diff line number Diff line
@@ -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