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  */
fixup_bigphys_addr(phys_t phys_addr,phys_t size)18 static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
19 {
20 	return phys_addr;
21 }
22 
plat_ioremap(phys_t offset,unsigned long size,unsigned long flags)23 static 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 
plat_iounmap(const volatile void __iomem * addr)33 static 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 */
39