| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/arch-h720x/dma.h |
| 3 | * |
| 4 | * Architecture DMA routes |
| 5 | * |
| 6 | * Copyright (C) 1997.1998 Russell King |
| 7 | */ |
| 8 | #ifndef __ASM_ARCH_DMA_H |
| 9 | #define __ASM_ARCH_DMA_H |
| 10 | |
| 11 | /* |
| 12 | * This is the maximum DMA address that can be DMAd to. |
| 13 | * There should not be more than (0xd0000000 - 0xc0000000) |
| 14 | * bytes of RAM. |
| 15 | */ |
| 16 | #define MAX_DMA_ADDRESS 0xd0000000 |
| 17 | |
| 18 | #if defined (CONFIG_CPU_H7201) |
| 19 | #define MAX_DMA_CHANNELS 3 |
| 20 | #elif defined (CONFIG_CPU_H7202) |
| 21 | #define MAX_DMA_CHANNELS 4 |
| 22 | #else |
| 23 | #error processor definition missmatch |
| 24 | #endif |
| 25 | |
| 26 | #endif /* __ASM_ARCH_DMA_H */ |