Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / include / asm / dma-mapping.h

diff --git a/qemu/roms/u-boot/arch/arm/include/asm/dma-mapping.h b/qemu/roms/u-boot/arch/arm/include/asm/dma-mapping.h
new file mode 100644 (file)
index 0000000..55a4e26
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/include/asm/dma-mapping.h
@@ -0,0 +1,34 @@
+/*
+ * (C) Copyright 2007
+ * Stelian Pop <stelian@popies.net>
+ * Lead Tech Design <www.leadtechdesign.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#ifndef __ASM_ARM_DMA_MAPPING_H
+#define __ASM_ARM_DMA_MAPPING_H
+
+enum dma_data_direction {
+       DMA_BIDIRECTIONAL       = 0,
+       DMA_TO_DEVICE           = 1,
+       DMA_FROM_DEVICE         = 2,
+};
+
+static void *dma_alloc_coherent(size_t len, unsigned long *handle)
+{
+       *handle = (unsigned long)memalign(ARCH_DMA_MINALIGN, len);
+       return (void *)*handle;
+}
+
+static inline unsigned long dma_map_single(volatile void *vaddr, size_t len,
+                                          enum dma_data_direction dir)
+{
+       return (unsigned long)vaddr;
+}
+
+static inline void dma_unmap_single(volatile void *vaddr, size_t len,
+                                   unsigned long paddr)
+{
+}
+
+#endif /* __ASM_ARM_DMA_MAPPING_H */