162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __ASM_MACH_BMIPS_IOREMAP_H 362306a36Sopenharmony_ci#define __ASM_MACH_BMIPS_IOREMAP_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/types.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_cistatic inline int is_bmips_internal_registers(phys_addr_t offset) 862306a36Sopenharmony_ci{ 962306a36Sopenharmony_ci if (offset >= 0xfff80000) 1062306a36Sopenharmony_ci return 1; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci return 0; 1362306a36Sopenharmony_ci} 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_cistatic inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, 1662306a36Sopenharmony_ci unsigned long flags) 1762306a36Sopenharmony_ci{ 1862306a36Sopenharmony_ci if (is_bmips_internal_registers(offset)) 1962306a36Sopenharmony_ci return (void __iomem *)offset; 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci return NULL; 2262306a36Sopenharmony_ci} 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_cistatic inline int plat_iounmap(const volatile void __iomem *addr) 2562306a36Sopenharmony_ci{ 2662306a36Sopenharmony_ci return is_bmips_internal_registers((unsigned long)addr); 2762306a36Sopenharmony_ci} 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#endif /* __ASM_MACH_BMIPS_IOREMAP_H */ 30