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 
plat_ioremap(phys_addr_t offset,unsigned long size,unsigned long flags)10 static 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 
plat_iounmap(const volatile void __iomem * addr)20 static 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 */
26