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 phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
 8{
 9	return phys_addr;
10}
11
12static inline int is_bcm63xx_internal_registers(phys_addr_t offset)
13{
14	switch (bcm63xx_get_cpu_id()) {
15	case BCM3368_CPU_ID:
16		if (offset >= 0xfff80000)
17			return 1;
18		break;
19	case BCM6338_CPU_ID:
20	case BCM6345_CPU_ID:
21	case BCM6348_CPU_ID:
22	case BCM6358_CPU_ID:
23		if (offset >= 0xfff00000)
24			return 1;
25		break;
26	case BCM6328_CPU_ID:
27	case BCM6362_CPU_ID:
28	case BCM6368_CPU_ID:
29		if (offset >= 0xb0000000 && offset < 0xb1000000)
30			return 1;
31		break;
32	}
33	return 0;
34}
35
36static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
37					 unsigned long flags)
38{
39	if (is_bcm63xx_internal_registers(offset))
40		return (void __iomem *)offset;
41	return NULL;
42}
43
44static inline int plat_iounmap(const volatile void __iomem *addr)
45{
46	return is_bcm63xx_internal_registers((unsigned long)addr);
47}
48
49#endif /* BCM63XX_IOREMAP_H_ */