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744d9859 SG |
1 | /* |
2 | * Copyright (c) 2011 The Chromium OS Authors. | |
3 | * | |
3765b3e7 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
744d9859 SG |
5 | */ |
6 | ||
a733b06b SG |
7 | #ifndef __SANDBOX_ASM_IO_H |
8 | #define __SANDBOX_ASM_IO_H | |
9 | ||
f7ae1ca3 PB |
10 | void *phys_to_virt(phys_addr_t paddr); |
11 | #define phys_to_virt phys_to_virt | |
12 | ||
13 | phys_addr_t virt_to_phys(void *vaddr); | |
14 | #define virt_to_phys virt_to_phys | |
744d9859 SG |
15 | |
16 | void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); | |
f7ae1ca3 | 17 | #define map_physmem map_physmem |
744d9859 SG |
18 | |
19 | /* | |
20 | * Take down a mapping set up by map_physmem(). | |
21 | */ | |
9569c406 | 22 | void unmap_physmem(const void *vaddr, unsigned long flags); |
f7ae1ca3 PB |
23 | #define unmap_physmem unmap_physmem |
24 | ||
25 | #include <asm-generic/io.h> | |
4213fc29 SG |
26 | |
27 | /* For sandbox, we want addresses to point into our RAM buffer */ | |
28 | static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) | |
29 | { | |
30 | return map_physmem(paddr, len, MAP_WRBACK); | |
31 | } | |
32 | ||
9569c406 | 33 | /* Remove a previous mapping */ |
4213fc29 SG |
34 | static inline void unmap_sysmem(const void *vaddr) |
35 | { | |
9569c406 | 36 | unmap_physmem(vaddr, MAP_WRBACK); |
4213fc29 | 37 | } |
781adb57 SG |
38 | |
39 | /* Map from a pointer to our RAM buffer */ | |
ed072b96 | 40 | phys_addr_t map_to_sysmem(const void *ptr); |
a733b06b | 41 | |
42d3b29d | 42 | /* Define nops for sandbox I/O access */ |
80793db9 SG |
43 | #define readb(addr) ((void)addr, 0) |
44 | #define readw(addr) ((void)addr, 0) | |
45 | #define readl(addr) ((void)addr, 0) | |
46 | #define writeb(v, addr) ((void)addr) | |
47 | #define writew(v, addr) ((void)addr) | |
48 | #define writel(v, addr) ((void)addr) | |
42d3b29d | 49 | |
9569c406 SG |
50 | /* I/O access functions */ |
51 | int inl(unsigned int addr); | |
52 | int inw(unsigned int addr); | |
53 | int inb(unsigned int addr); | |
54 | ||
55 | void outl(unsigned int value, unsigned int addr); | |
56 | void outw(unsigned int value, unsigned int addr); | |
57 | void outb(unsigned int value, unsigned int addr); | |
58 | ||
a4dd8722 MR |
59 | #define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a) |
60 | #define in_arch(type,endian,a) endian##_to_cpu(read##type(a)) | |
61 | ||
62 | #define out_le32(a,v) out_arch(l,le32,a,v) | |
63 | #define out_le16(a,v) out_arch(w,le16,a,v) | |
64 | ||
65 | #define in_le32(a) in_arch(l,le32,a) | |
66 | #define in_le16(a) in_arch(w,le16,a) | |
67 | ||
68 | #define out_be32(a,v) out_arch(l,be32,a,v) | |
69 | #define out_be16(a,v) out_arch(w,be16,a,v) | |
70 | ||
71 | #define in_be32(a) in_arch(l,be32,a) | |
72 | #define in_be16(a) in_arch(w,be16,a) | |
73 | ||
74 | #define out_8(a,v) writeb(v,a) | |
75 | #define in_8(a) readb(a) | |
76 | ||
77 | #define clrbits(type, addr, clear) \ | |
78 | out_##type((addr), in_##type(addr) & ~(clear)) | |
79 | ||
80 | #define setbits(type, addr, set) \ | |
81 | out_##type((addr), in_##type(addr) | (set)) | |
82 | ||
83 | #define clrsetbits(type, addr, clear, set) \ | |
84 | out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) | |
85 | ||
86 | #define clrbits_be32(addr, clear) clrbits(be32, addr, clear) | |
87 | #define setbits_be32(addr, set) setbits(be32, addr, set) | |
88 | #define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) | |
89 | ||
90 | #define clrbits_le32(addr, clear) clrbits(le32, addr, clear) | |
91 | #define setbits_le32(addr, set) setbits(le32, addr, set) | |
92 | #define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) | |
93 | ||
94 | #define clrbits_be16(addr, clear) clrbits(be16, addr, clear) | |
95 | #define setbits_be16(addr, set) setbits(be16, addr, set) | |
96 | #define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) | |
97 | ||
98 | #define clrbits_le16(addr, clear) clrbits(le16, addr, clear) | |
99 | #define setbits_le16(addr, set) setbits(le16, addr, set) | |
100 | #define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) | |
101 | ||
102 | #define clrbits_8(addr, clear) clrbits(8, addr, clear) | |
103 | #define setbits_8(addr, set) setbits(8, addr, set) | |
104 | #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) | |
105 | ||
e54094f2 SG |
106 | static inline void _insw(volatile u16 *port, void *buf, int ns) |
107 | { | |
108 | } | |
109 | ||
110 | static inline void _outsw(volatile u16 *port, const void *buf, int ns) | |
111 | { | |
112 | } | |
113 | ||
114 | #define insw(port, buf, ns) _insw((u16 *)port, buf, ns) | |
115 | #define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns) | |
116 | ||
117 | /* For systemace.c */ | |
118 | #define out16(addr, val) | |
119 | #define in16(addr) 0 | |
120 | ||
42d3b29d | 121 | #include <iotrace.h> |
690d8a92 | 122 | #include <asm/types.h> |
42d3b29d | 123 | |
a733b06b | 124 | #endif |