1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 *	include/asm-mips/mach-tx39xx/ioremap.h
 4 */
 5#ifndef __ASM_MACH_TX39XX_IOREMAP_H
 6#define __ASM_MACH_TX39XX_IOREMAP_H
 7
 8#include <linux/types.h>
 9
10/*
11 * Allow physical addresses to be fixed up to help peripherals located
12 * outside the low 32-bit range -- generic pass-through version.
13 */
14static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
15{
16	return phys_addr;
17}
18
19static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
20	unsigned long flags)
21{
22#define TXX9_DIRECTMAP_BASE	0xff000000ul
23	if (offset >= TXX9_DIRECTMAP_BASE &&
24	    offset < TXX9_DIRECTMAP_BASE + 0xff0000)
25		return (void __iomem *)offset;
26	return NULL;
27}
28
29static inline int plat_iounmap(const volatile void __iomem *addr)
30{
31	return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
32}
33
34#endif /* __ASM_MACH_TX39XX_IOREMAP_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 *	include/asm-mips/mach-tx39xx/ioremap.h
 4 */
 5#ifndef __ASM_MACH_TX39XX_IOREMAP_H
 6#define __ASM_MACH_TX39XX_IOREMAP_H
 7
 8#include <linux/types.h>
 9
 
 
 
 
 
 
 
 
 
10static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
11	unsigned long flags)
12{
13#define TXX9_DIRECTMAP_BASE	0xff000000ul
14	if (offset >= TXX9_DIRECTMAP_BASE &&
15	    offset < TXX9_DIRECTMAP_BASE + 0xff0000)
16		return (void __iomem *)offset;
17	return NULL;
18}
19
20static inline int plat_iounmap(const volatile void __iomem *addr)
21{
22	return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
23}
24
25#endif /* __ASM_MACH_TX39XX_IOREMAP_H */