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

source code of linux/arch/mips/mm/ioremap64.c