LXR linux/arch/mips/mm/ioremap64.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2#include <linux/io.h>
   3#include <ioremap.h>
   4
   5void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
   6                unsigned long prot_val)
   7{
   8        unsigned long flags = prot_val & _CACHE_MASK;
   9        u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
  10        void __iomem *addr;
  11
  12        addr = plat_ioremap(offset, size, flags);
  13        if (!addr)
  14                addr = (void __iomem *)(unsigned long)(base + offset);
  15        return addr;
  16}
  17EXPORT_SYMBOL(ioremap_prot);
  18
  19void iounmap(const volatile void __iomem *addr)
  20{
  21        plat_iounmap(addr);
  22}
  23EXPORT_SYMBOL(iounmap);
  24