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/*
 2 *	include/asm-mips/mach-tx39xx/ioremap.h
 3 *
 4 *	This program is free software; you can redistribute it and/or
 5 *	modify it under the terms of the GNU General Public License
 6 *	as published by the Free Software Foundation; either version
 7 *	2 of the License, or (at your option) any later version.
 8 */
 9#ifndef __ASM_MACH_TX39XX_IOREMAP_H
10#define __ASM_MACH_TX39XX_IOREMAP_H
11
12#include <linux/types.h>
13
14/*
15 * Allow physical addresses to be fixed up to help peripherals located
16 * outside the low 32-bit range -- generic pass-through version.
17 */
18static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
19{
20	return phys_addr;
21}
22
23static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
24	unsigned long flags)
25{
26#define TXX9_DIRECTMAP_BASE	0xff000000ul
27	if (offset >= TXX9_DIRECTMAP_BASE &&
28	    offset < TXX9_DIRECTMAP_BASE + 0xff0000)
29		return (void __iomem *)offset;
30	return NULL;
31}
32
33static inline int plat_iounmap(const volatile void __iomem *addr)
34{
35	return (unsigned long)addr >= TXX9_DIRECTMAP_BASE;
36}
37
38#endif /* __ASM_MACH_TX39XX_IOREMAP_H */