1828b35f6SJan Glauber #ifndef _ASM_S390_DMA_H 2828b35f6SJan Glauber #define _ASM_S390_DMA_H 3828b35f6SJan Glauber 4828b35f6SJan Glauber #include <asm/io.h> 5828b35f6SJan Glauber 6c6557e7fSMartin Schwidefsky /* 7828b35f6SJan Glauber * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated 8828b35f6SJan Glauber * to DMA. It _is_ used for the s390 memory zone split at 2GB caused 9828b35f6SJan Glauber * by the 31 bit heritage. 10c6557e7fSMartin Schwidefsky */ 11c6557e7fSMartin Schwidefsky #define MAX_DMA_ADDRESS 0x80000000 12c6557e7fSMartin Schwidefsky 13*87890f92SHeiko Carstens #ifdef CONFIG_PCI 14*87890f92SHeiko Carstens extern int isa_dma_bridge_buggy; 15*87890f92SHeiko Carstens #else 16*87890f92SHeiko Carstens #define isa_dma_bridge_buggy (0) 17*87890f92SHeiko Carstens #endif 18*87890f92SHeiko Carstens 19828b35f6SJan Glauber #endif /* _ASM_S390_DMA_H */ 20