Commit | Line | Data |
---|---|---|
828b35f6 JG |
1 | #ifndef _ASM_S390_DMA_H |
2 | #define _ASM_S390_DMA_H | |
1da177e4 | 3 | |
828b35f6 | 4 | #include <asm/io.h> |
1da177e4 | 5 | |
828b35f6 JG |
6 | /* |
7 | * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated | |
8 | * to DMA. It _is_ used for the s390 memory zone split at 2GB caused | |
9 | * by the 31 bit heritage. | |
10 | */ | |
1da177e4 LT |
11 | #define MAX_DMA_ADDRESS 0x80000000 |
12 | ||
87890f92 HC |
13 | #ifdef CONFIG_PCI |
14 | extern int isa_dma_bridge_buggy; | |
15 | #else | |
16 | #define isa_dma_bridge_buggy (0) | |
17 | #endif | |
18 | ||
828b35f6 | 19 | #endif /* _ASM_S390_DMA_H */ |