1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __ASM_MACH_BMIPS_IOREMAP_H 3 #define __ASM_MACH_BMIPS_IOREMAP_H 4 5 #include <linux/types.h> 6 7 static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) 8 { 9 return phys_addr; 10 } 11 12 static inline int is_bmips_internal_registers(phys_addr_t offset) 13 { 14 if (offset >= 0xfff80000) 15 return 1; 16 17 return 0; 18 } 19 20 static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, 21 unsigned long flags) 22 { 23 if (is_bmips_internal_registers(offset)) 24 return (void __iomem *)offset; 25 26 return NULL; 27 } 28 29 static inline int plat_iounmap(const volatile void __iomem *addr) 30 { 31 return is_bmips_internal_registers((unsigned long)addr); 32 } 33 34 #endif /* __ASM_MACH_BMIPS_IOREMAP_H */ 35