1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef BCM63XX_IOREMAP_H_
 3#define BCM63XX_IOREMAP_H_
 4
 5#include <bcm63xx_cpu.h>
 6
 7static inline int is_bcm63xx_internal_registers(phys_addr_t offset)
 8{
 9	switch (bcm63xx_get_cpu_id()) {
10	case BCM3368_CPU_ID:
11		if (offset >= 0xfff80000)
12			return 1;
13		break;
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
31static inline void __iomem *plat_ioremap(phys_addr_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
39static 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_ */