diff options
| author |   Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2010-02-11 16:50:14 +0000 |
|---|---|---|
| committer |   Paul Mundt <lethal@linux-sh.org> | 2010-03-02 11:09:04 +0900 |
| commit | 8b1935e6a36b0967efc593d67ed3aebbfbc1f5b1 (patch) | |
| tree | 811ebd670e9704790625137b4a824e548bded00b /arch/sh/include/cpu-sh4/cpu/dma.h | |
| parent | dmaengine: shdma: convert to platform device resources (diff) | |
| download | linux-dev-8b1935e6a36b0967efc593d67ed3aebbfbc1f5b1.tar.xz linux-dev-8b1935e6a36b0967efc593d67ed3aebbfbc1f5b1.zip | |
dmaengine: shdma: separate DMA headers.
Separate SH DMA headers into ones, commonly used by both drivers, and ones,
specific to each of them. This will make the future development of the
dmaengine driver easier.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/dma.h')
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/dma.h | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h index 114a369705bc..ca747e93c2ed 100644 --- a/arch/sh/include/cpu-sh4/cpu/dma.h +++ b/arch/sh/include/cpu-sh4/cpu/dma.h @@ -5,9 +5,8 @@ #ifdef CONFIG_CPU_SH4A -#define DMAOR_INIT (DMAOR_DME) - #include <cpu/dma-sh4a.h> + #else /* CONFIG_CPU_SH4A */ /* * SH7750/SH7751/SH7760 @@ -17,7 +16,6 @@ #define DMTE6_IRQ 46 #define DMAE0_IRQ 38 -#define DMAOR_INIT (0x8000|DMAOR_DME) #define SH_DMAC_BASE0 0xffa00000 #define SH_DMAC_BASE1 0xffa00070 /* Definitions for the SuperH DMAC */ @@ -27,40 +25,8 @@ #define TS_32 0x00000030 #define TS_64 0x00000000 -#define CHCR_TS_LOW_MASK 0x70 -#define CHCR_TS_LOW_SHIFT 4 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 - #define DMAOR_COD 0x00000008 -/* - * The SuperH DMAC supports a number of transmit sizes, we list them here, - * with their respective values as they appear in the CHCR registers. - * - * Defaults to a 64-bit transfer size. - */ -enum { - XMIT_SZ_8BIT = 1, - XMIT_SZ_16BIT = 2, - XMIT_SZ_32BIT = 3, - XMIT_SZ_64BIT = 0, - XMIT_SZ_256BIT = 4, -}; - -/* - * The DMA count is defined as the number of bytes to transfer. - */ -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_64BIT] = 3, \ - [XMIT_SZ_256BIT] = 5, \ -} - -#define TS_INDEX2VAL(i) (((i) & 7) << CHCR_TS_LOW_SHIFT) - #endif #endif /* __ASM_CPU_SH4_DMA_H */ |