LXR linux/arch/mips/include/asm/mach-bmips/ioremap.h

   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
   7static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
   8{
   9        return phys_addr;
  10}
  11
  12static inline int is_bmips_internal_registers(phys_addr_t offset)
  13{
  14        if (offset >= 0xfff80000)
  15                return 1;
  16
  17        return 0;
  18}
  19
  20static 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
  29static 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