diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/include/asm/mach-bcm63xx/ioremap.h |
Initial import
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx/ioremap.h')
-rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/ioremap.h | 48 |
1 files changed, 48 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 000000000..aea6e64b8 --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -0,0 +1,48 @@ +#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_ */ |