xref: /linux/arch/mips/include/asm/mach-bmips/ioremap.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1 #ifndef __ASM_MACH_BMIPS_IOREMAP_H
2 #define __ASM_MACH_BMIPS_IOREMAP_H
3 
4 #include <linux/types.h>
5 
6 static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
7 {
8 	return phys_addr;
9 }
10 
11 static inline int is_bmips_internal_registers(phys_addr_t offset)
12 {
13 	if (offset >= 0xfff80000)
14 		return 1;
15 
16 	return 0;
17 }
18 
19 static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
20 					 unsigned long flags)
21 {
22 	if (is_bmips_internal_registers(offset))
23 		return (void __iomem *)offset;
24 
25 	return NULL;
26 }
27 
28 static inline int plat_iounmap(const volatile void __iomem *addr)
29 {
30 	return is_bmips_internal_registers((unsigned long)addr);
31 }
32 
33 #endif /* __ASM_MACH_BMIPS_IOREMAP_H */
34