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 int is_bmips_internal_registers(phys_addr_t offset)
   8{
   9        if (offset >= 0xfff80000)
  10                return 1;
  11
  12        return 0;
  13}
  14
  15static 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
  24static 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