| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef __ASM_MACH_BMIPS_IOREMAP_H |
| #define __ASM_MACH_BMIPS_IOREMAP_H |
| |
| #include <linux/types.h> |
| |
| /* |
| * Allow physical addresses to be fixed up to help peripherals located |
| * outside the low 32-bit range -- generic pass-through version. |
| */ |
| static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, |
| phys_addr_t size) |
| { |
| return phys_addr; |
| } |
| |
| static inline int is_bmips_internal_registers(phys_addr_t offset) |
| { |
| #if defined(CONFIG_SOC_BMIPS_BCM6338) || \ |
| defined(CONFIG_SOC_BMIPS_BCM6348) || \ |
| defined(CONFIG_SOC_BMIPS_BCM6358) |
| if (offset >= 0xfffe0000) |
| return 1; |
| #endif |
| |
| return 0; |
| } |
| |
| static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, |
| unsigned long flags) |
| { |
| if (is_bmips_internal_registers(offset)) |
| return (void __iomem *)offset; |
| |
| return NULL; |
| } |
| |
| static inline int plat_iounmap(const volatile void __iomem *addr) |
| { |
| return is_bmips_internal_registers((unsigned long)addr); |
| } |
| |
| #define _page_cachable_default _CACHE_CACHABLE_NONCOHERENT |
| |
| #endif /* __ASM_MACH_BMIPS_IOREMAP_H */ |
