diff options
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 c5557a650d1..59f59c6c79f 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; |