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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-02-15 21:52:13 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2007-02-15 21:52:13 +0000
commit0753eb7920a2d6dc5a038b0df0dcd6d07aeec56e (patch)
treeb2e40c4542fd9b79af1c2d9843ba32eae95b2e19 /target/linux/atheros-2.6/files/include/asm-mips
parent7a96ce09eae088153c3d4b0f29f104e92e4f1acf (diff)
some ar531x cleanup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6302 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/atheros-2.6/files/include/asm-mips')
-rw-r--r--target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/dma-coherence.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/dma-coherence.h b/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/dma-coherence.h
new file mode 100644
index 0000000000..fe53556881
--- /dev/null
+++ b/target/linux/atheros-2.6/files/include/asm-mips/mach-atheros/dma-coherence.h
@@ -0,0 +1,41 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
+ * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org>
+ *
+ */
+#ifndef __ASM_MACH_GENERIC_DMA_COHERENCE_H
+#define __ASM_MACH_GENERIC_DMA_COHERENCE_H
+
+#define PCI_DMA_OFFSET 0x20000000
+
+struct device;
+
+static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
+{
+ return virt_to_phys(addr) + (dev != NULL ? PCI_DMA_OFFSET : 0);
+}
+
+static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
+{
+ return page_to_phys(page) + (dev != NULL ? PCI_DMA_OFFSET : 0);
+}
+
+static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
+{
+ return (dma_addr > PCI_DMA_OFFSET ? dma_addr - PCI_DMA_OFFSET : dma_addr);
+}
+
+static void plat_unmap_dma_mem(dma_addr_t dma_addr)
+{
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+ return 0;
+}
+
+#endif /* __ASM_MACH_GENERIC_DMA_COHERENCE_H */