e3fe04dc50bd7caed85763d4f08b8b8380d46ddb
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / mips / include / asm / mach-bcm63xx / ioremap.h
1 #ifndef BCM63XX_IOREMAP_H_
2 #define BCM63XX_IOREMAP_H_
3
4 #include <bcm63xx_cpu.h>
5
6 static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
7 {
8         return phys_addr;
9 }
10
11 static inline int is_bcm63xx_internal_registers(phys_t offset)
12 {
13         switch (bcm63xx_get_cpu_id()) {
14         case BCM6338_CPU_ID:
15         case BCM6345_CPU_ID:
16         case BCM6348_CPU_ID:
17         case BCM6358_CPU_ID:
18                 if (offset >= 0xfff00000)
19                         return 1;
20                 break;
21         }
22         return 0;
23 }
24
25 static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
26                                          unsigned long flags)
27 {
28         if (is_bcm63xx_internal_registers(offset))
29                 return (void __iomem *)offset;
30         return NULL;
31 }
32
33 static inline int plat_iounmap(const volatile void __iomem *addr)
34 {
35         return is_bcm63xx_internal_registers((unsigned long)addr);
36 }
37
38 #endif /* BCM63XX_IOREMAP_H_ */