1 files changed, 32 insertions, 0 deletions
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
new file mode 100644
index 000000000..e81c4e97f
--- /dev/null
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_DMA_MAPPING_H
+#define _ASM_DMA_MAPPING_H
+
+#include <linux/swiotlb.h>
+
+extern const struct dma_map_ops jazz_dma_ops;
+
+static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
+{
+#if defined(CONFIG_MACH_JAZZ)
+	return &jazz_dma_ops;
+#elif defined(CONFIG_SWIOTLB)
+	return &swiotlb_dma_ops;
+#elif defined(CONFIG_DMA_NONCOHERENT_OPS)
+	return &dma_noncoherent_ops;
+#else
+	return &dma_direct_ops;
+#endif
+}
+
+#define arch_setup_dma_ops arch_setup_dma_ops
+static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base,
+				      u64 size, const struct iommu_ops *iommu,
+				      bool coherent)
+{
+#ifdef CONFIG_DMA_PERDEV_COHERENT
+	dev->archdata.dma_coherent = coherent;
+#endif
+}
+
+#endif /* _ASM_DMA_MAPPING_H */