xref: /OK3568_Linux_fs/kernel/arch/mips/mm/ioremap64.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun #include <linux/io.h>
3*4882a593Smuzhiyun #include <ioremap.h>
4*4882a593Smuzhiyun 
ioremap_prot(phys_addr_t offset,unsigned long size,unsigned long prot_val)5*4882a593Smuzhiyun void __iomem *ioremap_prot(phys_addr_t offset, unsigned long size,
6*4882a593Smuzhiyun 		unsigned long prot_val)
7*4882a593Smuzhiyun {
8*4882a593Smuzhiyun 	unsigned long flags = prot_val & _CACHE_MASK;
9*4882a593Smuzhiyun 	u64 base = (flags == _CACHE_UNCACHED ? IO_BASE : UNCAC_BASE);
10*4882a593Smuzhiyun 	void __iomem *addr;
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 	addr = plat_ioremap(offset, size, flags);
13*4882a593Smuzhiyun 	if (!addr)
14*4882a593Smuzhiyun 		addr = (void __iomem *)(unsigned long)(base + offset);
15*4882a593Smuzhiyun 	return addr;
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun EXPORT_SYMBOL(ioremap_prot);
18*4882a593Smuzhiyun 
iounmap(const volatile void __iomem * addr)19*4882a593Smuzhiyun void iounmap(const volatile void __iomem *addr)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	plat_iounmap(addr);
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun EXPORT_SYMBOL(iounmap);
24