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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 | |
35172cfe TR |
50 | /* |
51 | * Clear and set bits in one shot. These macros can be used to clear and | |
52 | * set multiple bits in a register using a single call. These macros can | |
53 | * also be used to set a multiple-bit bit pattern using a mask, by | |
54 | * specifying the mask in the 'clear' parameter and the new bit pattern | |
55 | * in the 'set' parameter. | |
56 | */ | |
57 | ||
58 | #define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a) | |
59 | #define in_arch(type,endian,a) endian##_to_cpu(read##type(a)) | |
60 | ||
61 | #define out_le64(a,v) out_arch(q,le64,a,v) | |
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_le64(a) in_arch(q,le64,a) | |
66 | #define in_le32(a) in_arch(l,le32,a) | |
67 | #define in_le16(a) in_arch(w,le16,a) | |
68 | ||
69 | #define out_be32(a,v) out_arch(l,be32,a,v) | |
70 | #define out_be16(a,v) out_arch(w,be16,a,v) | |
71 | ||
72 | #define in_be32(a) in_arch(l,be32,a) | |
73 | #define in_be16(a) in_arch(w,be16,a) | |
74 | ||
75 | #define out_8(a,v) writeb(v,a) | |
76 | #define in_8(a) readb(a) | |
77 | ||
78 | #define clrbits(type, addr, clear) \ | |
79 | out_##type((addr), in_##type(addr) & ~(clear)) | |
80 | ||
81 | #define setbits(type, addr, set) \ | |
82 | out_##type((addr), in_##type(addr) | (set)) | |
83 | ||
84 | #define clrsetbits(type, addr, clear, set) \ | |
85 | out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) | |
86 | ||
87 | #define clrbits_be32(addr, clear) clrbits(be32, addr, clear) | |
88 | #define setbits_be32(addr, set) setbits(be32, addr, set) | |
89 | #define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) | |
90 | ||
91 | #define clrbits_le32(addr, clear) clrbits(le32, addr, clear) | |
92 | #define setbits_le32(addr, set) setbits(le32, addr, set) | |
93 | #define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) | |
94 | ||
95 | #define clrbits_be16(addr, clear) clrbits(be16, addr, clear) | |
96 | #define setbits_be16(addr, set) setbits(be16, addr, set) | |
97 | #define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) | |
98 | ||
99 | #define clrbits_le16(addr, clear) clrbits(le16, addr, clear) | |
100 | #define setbits_le16(addr, set) setbits(le16, addr, set) | |
101 | #define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) | |
102 | ||
103 | #define clrbits_8(addr, clear) clrbits(8, addr, clear) | |
104 | #define setbits_8(addr, set) setbits(8, addr, set) | |
105 | #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) | |
106 | ||
9569c406 SG |
107 | /* I/O access functions */ |
108 | int inl(unsigned int addr); | |
109 | int inw(unsigned int addr); | |
110 | int inb(unsigned int addr); | |
111 | ||
112 | void outl(unsigned int value, unsigned int addr); | |
113 | void outw(unsigned int value, unsigned int addr); | |
114 | void outb(unsigned int value, unsigned int addr); | |
115 | ||
a4dd8722 MR |
116 | #define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a) |
117 | #define in_arch(type,endian,a) endian##_to_cpu(read##type(a)) | |
118 | ||
119 | #define out_le32(a,v) out_arch(l,le32,a,v) | |
120 | #define out_le16(a,v) out_arch(w,le16,a,v) | |
121 | ||
122 | #define in_le32(a) in_arch(l,le32,a) | |
123 | #define in_le16(a) in_arch(w,le16,a) | |
124 | ||
125 | #define out_be32(a,v) out_arch(l,be32,a,v) | |
126 | #define out_be16(a,v) out_arch(w,be16,a,v) | |
127 | ||
128 | #define in_be32(a) in_arch(l,be32,a) | |
129 | #define in_be16(a) in_arch(w,be16,a) | |
130 | ||
131 | #define out_8(a,v) writeb(v,a) | |
132 | #define in_8(a) readb(a) | |
133 | ||
134 | #define clrbits(type, addr, clear) \ | |
135 | out_##type((addr), in_##type(addr) & ~(clear)) | |
136 | ||
137 | #define setbits(type, addr, set) \ | |
138 | out_##type((addr), in_##type(addr) | (set)) | |
139 | ||
140 | #define clrsetbits(type, addr, clear, set) \ | |
141 | out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) | |
142 | ||
143 | #define clrbits_be32(addr, clear) clrbits(be32, addr, clear) | |
144 | #define setbits_be32(addr, set) setbits(be32, addr, set) | |
145 | #define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) | |
146 | ||
147 | #define clrbits_le32(addr, clear) clrbits(le32, addr, clear) | |
148 | #define setbits_le32(addr, set) setbits(le32, addr, set) | |
149 | #define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) | |
150 | ||
151 | #define clrbits_be16(addr, clear) clrbits(be16, addr, clear) | |
152 | #define setbits_be16(addr, set) setbits(be16, addr, set) | |
153 | #define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) | |
154 | ||
155 | #define clrbits_le16(addr, clear) clrbits(le16, addr, clear) | |
156 | #define setbits_le16(addr, set) setbits(le16, addr, set) | |
157 | #define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) | |
158 | ||
159 | #define clrbits_8(addr, clear) clrbits(8, addr, clear) | |
160 | #define setbits_8(addr, set) setbits(8, addr, set) | |
161 | #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) | |
162 | ||
e54094f2 SG |
163 | static inline void _insw(volatile u16 *port, void *buf, int ns) |
164 | { | |
165 | } | |
166 | ||
167 | static inline void _outsw(volatile u16 *port, const void *buf, int ns) | |
168 | { | |
169 | } | |
170 | ||
171 | #define insw(port, buf, ns) _insw((u16 *)port, buf, ns) | |
172 | #define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns) | |
173 | ||
174 | /* For systemace.c */ | |
175 | #define out16(addr, val) | |
176 | #define in16(addr) 0 | |
177 | ||
42d3b29d | 178 | #include <iotrace.h> |
690d8a92 | 179 | #include <asm/types.h> |
42d3b29d | 180 | |
a733b06b | 181 | #endif |