| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef BCM63XX_IOREMAP_H_ |
| #define BCM63XX_IOREMAP_H_ |
| |
| #include <bcm63xx_cpu.h> |
| |
| static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) |
| { |
| return phys_addr; |
| } |
| |
| static inline int is_bcm63xx_internal_registers(phys_addr_t offset) |
| { |
| switch (bcm63xx_get_cpu_id()) { |
| case BCM3368_CPU_ID: |
| if (offset >= 0xfff80000) |
| return 1; |
| break; |
| case BCM6338_CPU_ID: |
| case BCM6345_CPU_ID: |
| case BCM6348_CPU_ID: |
| case BCM6358_CPU_ID: |
| if (offset >= 0xfff00000) |
| return 1; |
| break; |
| case BCM6328_CPU_ID: |
| case BCM6362_CPU_ID: |
| case BCM6368_CPU_ID: |
| if (offset >= 0xb0000000 && offset < 0xb1000000) |
| return 1; |
| break; |
| } |
| return 0; |
| } |
| |
| static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, |
| unsigned long flags) |
| { |
| if (is_bcm63xx_internal_registers(offset)) |
| return (void __iomem *)offset; |
| return NULL; |
| } |
| |
| static inline int plat_iounmap(const volatile void __iomem *addr) |
| { |
| return is_bcm63xx_internal_registers((unsigned long)addr); |
| } |
| |
| #endif /* BCM63XX_IOREMAP_H_ */ |
