[PATCH 07/12] ARM: mach-davinci: Setup consistent dma size at boot time
Jon Medhurst
tixy at yxit.co.uk
Mon Aug 8 10:28:27 EDT 2011
Signed-off-by: Jon Medhurst <tixy at yxit.co.uk>
CC: Sekhar Nori <nsekhar at ti.com>
CC: Kevin Hilman <khilman at ti.com>
---
arch/arm/mach-davinci/include/mach/memory.h | 5 -----
arch/arm/mach-davinci/common.c | 3 +++
2 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 7873194..885d233 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -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 */
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index 1d25573..865ffe5 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -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
--
1.7.2.5
More information about the linux-arm-kernel
mailing list