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 BCM6368_CPU_ID:
23 		if (offset >= 0xb0000000 && offset < 0xb1000000)
24 			return 1;
25 		break;
26 	}
27 	return 0;
28 }
29 
30 static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
31 					 unsigned long flags)
32 {
33 	if (is_bcm63xx_internal_registers(offset))
34 		return (void __iomem *)offset;
35 	return NULL;
36 }
37 
38 static inline int plat_iounmap(const volatile void __iomem *addr)
39 {
40 	return is_bcm63xx_internal_registers((unsigned long)addr);
41 }
42 
43 #endif /* BCM63XX_IOREMAP_H_ */
44