| Jan Glauber | 828b35f | 2012-11-29 14:33:30 +0100 | [diff] [blame] | 1 | #ifndef _ASM_S390_DMA_H |
| 2 | #define _ASM_S390_DMA_H |
| 3 | |
| 4 | #include <asm/io.h> |
| 5 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | /* |
| Jan Glauber | 828b35f | 2012-11-29 14:33:30 +0100 | [diff] [blame] | 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. |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #define MAX_DMA_ADDRESS 0x80000000 |
| 12 | |
| Jan Glauber | 828b35f | 2012-11-29 14:33:30 +0100 | [diff] [blame] | 13 | #endif /* _ASM_S390_DMA_H */ |