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2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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2 | /* |
3 | * include/asm-mips/mach-tx49xx/ioremap.h | |
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4 | */ |
5 | #ifndef __ASM_MACH_TX49XX_IOREMAP_H | |
6 | #define __ASM_MACH_TX49XX_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 | */ | |
15d45cce | 14 | static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size) |
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15 | { |
16 | return phys_addr; | |
17 | } | |
18 | ||
15d45cce | 19 | static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size, |
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20 | unsigned long flags) |
21 | { | |
22 | #ifdef CONFIG_64BIT | |
23 | #define TXX9_DIRECTMAP_BASE 0xfff000000ul | |
24 | #else | |
25 | #define TXX9_DIRECTMAP_BASE 0xff000000ul | |
26 | #endif | |
27 | if (offset >= TXX9_DIRECTMAP_BASE && | |
28 | offset < TXX9_DIRECTMAP_BASE + 0x400000) | |
29 | return (void __iomem *)(unsigned long)(int)offset; | |
30 | return NULL; | |
31 | } | |
32 | ||
33 | static inline int plat_iounmap(const volatile void __iomem *addr) | |
34 | { | |
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35 | return (unsigned long)addr >= |
36 | (unsigned long)(int)(TXX9_DIRECTMAP_BASE & 0xffffffff); | |
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37 | } |
38 | ||
39 | #endif /* __ASM_MACH_TX49XX_IOREMAP_H */ |