diff options
Diffstat (limited to 'qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h')
| -rw-r--r-- | qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h b/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h deleted file mode 100644 index 1350e3b96..000000000 --- a/qemu/roms/u-boot/arch/nios2/include/asm/dma-mapping.h +++ /dev/null @@ -1,23 +0,0 @@ -#ifndef __ASM_NIOS2_DMA_MAPPING_H -#define __ASM_NIOS2_DMA_MAPPING_H - -/* dma_alloc_coherent() return cache-line aligned allocation which is mapped - * to uncached io region. - * - * IO_REGION_BASE should be defined in board config header file - * 0x80000000 for nommu, 0xe0000000 for mmu - */ - -static inline void *dma_alloc_coherent(size_t len, unsigned long *handle) -{ - void *addr = malloc(len + CONFIG_SYS_DCACHELINE_SIZE); - if (!addr) - return 0; - flush_dcache((unsigned long)addr, len + CONFIG_SYS_DCACHELINE_SIZE); - *handle = ((unsigned long)addr + - (CONFIG_SYS_DCACHELINE_SIZE - 1)) & - ~(CONFIG_SYS_DCACHELINE_SIZE - 1) & ~(IO_REGION_BASE); - return (void *)(*handle | IO_REGION_BASE); -} - -#endif /* __ASM_NIOS2_DMA_MAPPING_H */ |