| 1 | |
| 2 | |
| 3 | * Microblaze support for cache consistent memory.
|
| 4 | * Copyright (C) 2010 Michal Simek <[email protected]>
|
| 5 | * Copyright (C) 2010 PetaLogix
|
| 6 | * Copyright (C) 2005 John Williams <[email protected]>
|
| 7 |
|
| 8 |
|
| 9 | #include <linux/kernel.h>
|
| 10 | #include <linux/string.h>
|
| 11 | #include <linux/types.h>
|
| 12 | #include <linux/mm.h>
|
| 13 | #include <linux/init.h>
|
| 14 | #include <linux/dma-map-ops.h>
|
| 15 | #include <asm/cpuinfo.h>
|
| 16 | #include <asm/cacheflush.h>
|
| 17 |
|
| 18 | void arch_dma_prep_coherent(struct page *page, size_t size)
|
| 19 | {
|
| 20 | phys_addr_t paddr = page_to_phys(page);
|
| 21 |
|
| 22 | flush_dcache_range(paddr, paddr + size);
|
| 23 | }
|