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Commit fd24f903 authored by Jon Medhurst's avatar Jon Medhurst
Browse files

ARM: mach-davinci: Setup consistent dma size at boot time 



Signed-off-by: default avatarJon Medhurst <tixy@yxit.co.uk>
CC: Sekhar Nori <nsekhar@ti.com>
CC: Kevin Hilman <khilman@ti.com>
parent 389d12cc

arch/arm/mach-davinci/common.c

+3 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <linux/io.h>

#include <linux/etherdevice.h>

#include <linux/davinci_emac.h>

#include <linux/dma-mapping.h>



#include <asm/tlb.h>

#include <asm/mach/map.h>
@@ -86,6 +87,8 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info) 
		iotable_init(davinci_soc_info.io_desc,

				davinci_soc_info.io_desc_num);



	init_consistent_dma_size(14 << 20);



	/*

	 * Normally devicemaps_init() would flush caches and tlb after

	 * mdesc->map_io(), but we must also do it here because of the CPU

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

+0 −5
Original line number Diff line number Diff line
@@ -36,9 +36,4 @@ 
#define DDR2_MCLKSTOPEN_BIT	BIT(30)

#define DDR2_LPMODEN_BIT	BIT(31)



/*

 * Increase size of DMA-consistent memory region

 */

#define CONSISTENT_DMA_SIZE (14<<20)



#endif /* __ASM_ARCH_MEMORY_H */