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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2009-01-02 12:18:53 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-01-02 12:18:53 +0000 |
| commit | bc6447b8e4fdb3306ee6381df9650a1a8aa57c5b (patch) | |
| tree | 0ba38bb6883a561bcd2febbc8e5090fc559d2de6 /arch/arm/include/asm/dma.h | |
| parent | 5369bea7d7db1d95f63907f3470e23d32930be98 (diff) | |
| download | lwn-bc6447b8e4fdb3306ee6381df9650a1a8aa57c5b.tar.gz lwn-bc6447b8e4fdb3306ee6381df9650a1a8aa57c5b.zip | |
[ARM] dma: make DMA_MODE_xxx reflect ISA DMA settings
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/dma.h')
| -rw-r--r-- | arch/arm/include/asm/dma.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index c5557a650d1d..59f59c6c79f7 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -26,12 +26,15 @@ */ typedef unsigned int dmamode_t; -#define DMA_MODE_MASK 3 +/* + * The DMA modes reflect the settings for the ISA DMA controller + */ +#define DMA_MODE_MASK 0xcc -#define DMA_MODE_READ 0 -#define DMA_MODE_WRITE 1 -#define DMA_MODE_CASCADE 2 -#define DMA_AUTOINIT 4 +#define DMA_MODE_READ 0x44 +#define DMA_MODE_WRITE 0x48 +#define DMA_MODE_CASCADE 0xc0 +#define DMA_AUTOINIT 0x10 extern spinlock_t dma_spin_lock; |