--- zzzz-none-000/linux-3.10.107/include/linux/of_address.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/of_address.h	2021-02-04 17:41:59.000000000 +0000
@@ -4,9 +4,31 @@
 #include <linux/errno.h>
 #include <linux/of.h>
 
+struct of_pci_range_parser {
+	struct device_node *node;
+	const __be32 *range;
+	const __be32 *end;
+	int np;
+	int pna;
+};
+
+struct of_pci_range {
+	u32 pci_space;
+	u64 pci_addr;
+	u64 cpu_addr;
+	u64 size;
+	u32 flags;
+};
+
+#define for_each_of_pci_range(parser, range) \
+	for (; of_pci_range_parser_one(parser, range);)
+
+/* Translate a DMA address from device space to CPU space */
+extern u64 of_translate_dma_address(struct device_node *dev,
+				    const __be32 *in_addr);
+
 #ifdef CONFIG_OF_ADDRESS
 extern u64 of_translate_address(struct device_node *np, const __be32 *addr);
-extern bool of_can_translate_address(struct device_node *dev);
 extern int of_address_to_resource(struct device_node *dev, int index,
 				  struct resource *r);
 extern struct device_node *of_find_matching_node_by_address(
@@ -22,19 +44,26 @@
 extern const __be32 *of_get_address(struct device_node *dev, int index,
 			   u64 *size, unsigned int *flags);
 
-#ifndef pci_address_to_pio
-static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
-#define pci_address_to_pio pci_address_to_pio
-#endif
-
+extern int pci_register_io_range(phys_addr_t addr, resource_size_t size);
+extern unsigned long pci_address_to_pio(phys_addr_t addr);
+extern phys_addr_t pci_pio_to_address(unsigned long pio);
+
+extern int of_pci_range_parser_init(struct of_pci_range_parser *parser,
+			struct device_node *node);
+extern struct of_pci_range *of_pci_range_parser_one(
+					struct of_pci_range_parser *parser,
+					struct of_pci_range *range);
+extern int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+				u64 *paddr, u64 *size);
+extern bool of_dma_is_coherent(struct device_node *np);
 #else /* CONFIG_OF_ADDRESS */
-#ifndef of_address_to_resource
-static inline int of_address_to_resource(struct device_node *dev, int index,
-					 struct resource *r)
+
+static inline u64 of_translate_address(struct device_node *np,
+				       const __be32 *addr)
 {
-	return -EINVAL;
+	return OF_BAD_ADDR;
 }
-#endif
+
 static inline struct device_node *of_find_matching_node_by_address(
 					struct device_node *from,
 					const struct of_device_id *matches,
@@ -42,25 +71,79 @@
 {
 	return NULL;
 }
-#ifndef of_iomap
-static inline void __iomem *of_iomap(struct device_node *device, int index)
+
+static inline const __be32 *of_get_address(struct device_node *dev, int index,
+					u64 *size, unsigned int *flags)
 {
 	return NULL;
 }
-#endif
-static inline const __be32 *of_get_address(struct device_node *dev, int index,
-					u64 *size, unsigned int *flags)
+
+static inline phys_addr_t pci_pio_to_address(unsigned long pio)
+{
+	return 0;
+}
+
+static inline int of_pci_range_parser_init(struct of_pci_range_parser *parser,
+			struct device_node *node)
+{
+	return -1;
+}
+
+static inline struct of_pci_range *of_pci_range_parser_one(
+					struct of_pci_range_parser *parser,
+					struct of_pci_range *range)
 {
 	return NULL;
 }
+
+static inline int of_dma_get_range(struct device_node *np, u64 *dma_addr,
+				u64 *paddr, u64 *size)
+{
+	return -ENODEV;
+}
+
+static inline bool of_dma_is_coherent(struct device_node *np)
+{
+	return false;
+}
 #endif /* CONFIG_OF_ADDRESS */
 
+#ifdef CONFIG_OF
+extern int of_address_to_resource(struct device_node *dev, int index,
+				  struct resource *r);
+void __iomem *of_iomap(struct device_node *node, int index);
+void __iomem *of_io_request_and_map(struct device_node *device,
+					int index, const char *name);
+#else
+
+#include <linux/io.h>
+
+static inline int of_address_to_resource(struct device_node *dev, int index,
+					 struct resource *r)
+{
+	return -EINVAL;
+}
+
+static inline void __iomem *of_iomap(struct device_node *device, int index)
+{
+	return NULL;
+}
+
+static inline void __iomem *of_io_request_and_map(struct device_node *device,
+					int index, const char *name)
+{
+	return IOMEM_ERR_PTR(-EINVAL);
+}
+#endif
 
 #if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI)
 extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no,
 			       u64 *size, unsigned int *flags);
 extern int of_pci_address_to_resource(struct device_node *dev, int bar,
 				      struct resource *r);
+extern int of_pci_range_to_resource(struct of_pci_range *range,
+				    struct device_node *np,
+				    struct resource *res);
 #else /* CONFIG_OF_ADDRESS && CONFIG_PCI */
 static inline int of_pci_address_to_resource(struct device_node *dev, int bar,
 				             struct resource *r)
@@ -73,6 +156,12 @@
 {
 	return NULL;
 }
+static inline int of_pci_range_to_resource(struct of_pci_range *range,
+					   struct device_node *np,
+					   struct resource *res)
+{
+	return -ENOSYS;
+}
 #endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */
 
 #endif /* __OF_ADDRESS_H */