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 int is_bmips_internal_registers(phys_addr_t offset) 8 { 9 if (offset >= 0xfff80000) 10 return 1; 11 12 return 0; 13 } 14 15 static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, 16 unsigned long flags) 17 { 18 if (is_bmips_internal_registers(offset)) 19 return (void __iomem *)offset; 20 21 return NULL; 22 } 23 24 static inline int plat_iounmap(const volatile void __iomem *addr) 25 { 26 return is_bmips_internal_registers((unsigned long)addr); 27 } 28 29 #endif /* __ASM_MACH_BMIPS_IOREMAP_H */ 30