diff options
| -rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/ioremap.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h new file mode 100644 index 0000000..e3fe04d --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -0,0 +1,38 @@ +#ifndef BCM63XX_IOREMAP_H_ +#define BCM63XX_IOREMAP_H_ + +#include <bcm63xx_cpu.h> + +static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size) +{ + return phys_addr; +} + +static inline int is_bcm63xx_internal_registers(phys_t offset) +{ + switch (bcm63xx_get_cpu_id()) { + case BCM6338_CPU_ID: + case BCM6345_CPU_ID: + case BCM6348_CPU_ID: + case BCM6358_CPU_ID: + if (offset >= 0xfff00000) + return 1; + break; + } + return 0; +} + +static inline void __iomem *plat_ioremap(phys_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_ */ |