1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/goldfish.h b/include/linux/goldfish.h
new file mode 100644
index 000000000000..793590dcfb47
--- /dev/null
+++ b/include/linux/goldfish.h
@@ -0,0 +1,31 @@
+#ifndef __LINUX_GOLDFISH_H
+#define __LINUX_GOLDFISH_H
+
+#include <linux/types.h>
+#include <linux/io.h>
+
+/* Helpers for Goldfish virtual platform */
+
+static inline void gf_write_ptr(const void *ptr, void __iomem *portl,
+				void __iomem *porth)
+{
+	const uintptr_t addr = (uintptr_t)ptr;
+
+	writel((u32)addr, portl);
+#ifdef CONFIG_64BIT
+	writel(addr >> 32, porth);
+#endif
+}
+
+static inline void gf_write_dma_addr(const dma_addr_t addr,
+				     void __iomem *portl,
+				     void __iomem *porth)
+{
+	writel((u32)addr, portl);
+#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
+	writel(addr >> 32, porth);
+#endif
+}
+
+
+#endif /* __LINUX_GOLDFISH_H */