]> Pileus Git - ~andy/linux/blob - arch/mips/include/asm/mach-bcm63xx/ioremap.h
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
[~andy/linux] / 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         case BCM6328_CPU_ID:
22         case BCM6362_CPU_ID:
23         case BCM6368_CPU_ID:
24                 if (offset >= 0xb0000000 && offset < 0xb1000000)
25                         return 1;
26                 break;
27         }
28         return 0;
29 }
30
31 static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
32                                          unsigned long flags)
33 {
34         if (is_bcm63xx_internal_registers(offset))
35                 return (void __iomem *)offset;
36         return NULL;
37 }
38
39 static inline int plat_iounmap(const volatile void __iomem *addr)
40 {
41         return is_bcm63xx_internal_registers((unsigned long)addr);
42 }
43
44 #endif /* BCM63XX_IOREMAP_H_ */