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Tom Rini10e47792018-05-06 17:58:06 -04001/* SPDX-License-Identifier: GPL-2.0+ */
Simon Glassb4a905e2011-10-10 08:22:14 +00002/*
3 * Copyright (c) 2011 The Chromium OS Authors.
Simon Glassb4a905e2011-10-10 08:22:14 +00004 */
5
Simon Glass62cf9122013-04-26 02:53:43 +00006#ifndef __SANDBOX_ASM_IO_H
7#define __SANDBOX_ASM_IO_H
8
Simon Glass0a341a72019-09-25 08:56:09 -06009enum sandboxio_size_t {
10 SB_SIZE_8,
11 SB_SIZE_16,
12 SB_SIZE_32,
13 SB_SIZE_64,
14};
15
Paul Burton51369252017-09-14 15:05:13 -070016void *phys_to_virt(phys_addr_t paddr);
17#define phys_to_virt phys_to_virt
18
19phys_addr_t virt_to_phys(void *vaddr);
20#define virt_to_phys virt_to_phys
Simon Glassb4a905e2011-10-10 08:22:14 +000021
22void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags);
Paul Burton51369252017-09-14 15:05:13 -070023#define map_physmem map_physmem
Simon Glassb4a905e2011-10-10 08:22:14 +000024
25/*
26 * Take down a mapping set up by map_physmem().
27 */
Simon Glass70778bc2015-03-05 12:25:26 -070028void unmap_physmem(const void *vaddr, unsigned long flags);
Paul Burton51369252017-09-14 15:05:13 -070029#define unmap_physmem unmap_physmem
30
31#include <asm-generic/io.h>
Simon Glass17dabf02013-02-24 17:33:14 +000032
33/* For sandbox, we want addresses to point into our RAM buffer */
34static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
35{
36 return map_physmem(paddr, len, MAP_WRBACK);
37}
38
Simon Glass70778bc2015-03-05 12:25:26 -070039/* Remove a previous mapping */
Simon Glass17dabf02013-02-24 17:33:14 +000040static inline void unmap_sysmem(const void *vaddr)
41{
Simon Glass70778bc2015-03-05 12:25:26 -070042 unmap_physmem(vaddr, MAP_WRBACK);
Simon Glass17dabf02013-02-24 17:33:14 +000043}
Simon Glasse23d2932013-04-20 08:42:37 +000044
45/* Map from a pointer to our RAM buffer */
Simon Glass656bfc42013-11-07 09:31:58 -070046phys_addr_t map_to_sysmem(const void *ptr);
Simon Glass62cf9122013-04-26 02:53:43 +000047
Abdellatif El Khlifi32f72952023-04-17 10:11:54 +010048unsigned long sandbox_read(const void *addr, enum sandboxio_size_t size);
Simon Glassd80cda22019-10-11 16:16:47 -060049void sandbox_write(void *addr, unsigned int val, enum sandboxio_size_t size);
Simon Glass0a341a72019-09-25 08:56:09 -060050
51#define readb(addr) sandbox_read((const void *)addr, SB_SIZE_8)
52#define readw(addr) sandbox_read((const void *)addr, SB_SIZE_16)
53#define readl(addr) sandbox_read((const void *)addr, SB_SIZE_32)
Mario Six61efece2018-02-12 08:05:57 +010054#ifdef CONFIG_SANDBOX64
Simon Glass0a341a72019-09-25 08:56:09 -060055#define readq(addr) sandbox_read((const void *)addr, SB_SIZE_64)
Mario Six61efece2018-02-12 08:05:57 +010056#endif
Simon Glassd80cda22019-10-11 16:16:47 -060057#define writeb(v, addr) sandbox_write((void *)addr, v, SB_SIZE_8)
58#define writew(v, addr) sandbox_write((void *)addr, v, SB_SIZE_16)
59#define writel(v, addr) sandbox_write((void *)addr, v, SB_SIZE_32)
Mario Six61efece2018-02-12 08:05:57 +010060#ifdef CONFIG_SANDBOX64
Simon Glassd80cda22019-10-11 16:16:47 -060061#define writeq(v, addr) sandbox_write((void *)addr, v, SB_SIZE_64)
Mario Six61efece2018-02-12 08:05:57 +010062#endif
Simon Glass125a27b2014-06-11 23:29:43 -060063
Tom Rini36629472017-09-29 08:53:53 -040064/*
65 * Clear and set bits in one shot. These macros can be used to clear and
66 * set multiple bits in a register using a single call. These macros can
67 * also be used to set a multiple-bit bit pattern using a mask, by
68 * specifying the mask in the 'clear' parameter and the new bit pattern
69 * in the 'set' parameter.
70 */
71
72#define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a)
73#define in_arch(type,endian,a) endian##_to_cpu(read##type(a))
74
75#define out_le64(a,v) out_arch(q,le64,a,v)
76#define out_le32(a,v) out_arch(l,le32,a,v)
77#define out_le16(a,v) out_arch(w,le16,a,v)
78
79#define in_le64(a) in_arch(q,le64,a)
80#define in_le32(a) in_arch(l,le32,a)
81#define in_le16(a) in_arch(w,le16,a)
82
83#define out_be32(a,v) out_arch(l,be32,a,v)
84#define out_be16(a,v) out_arch(w,be16,a,v)
85
86#define in_be32(a) in_arch(l,be32,a)
87#define in_be16(a) in_arch(w,be16,a)
88
89#define out_8(a,v) writeb(v,a)
90#define in_8(a) readb(a)
91
92#define clrbits(type, addr, clear) \
93 out_##type((addr), in_##type(addr) & ~(clear))
94
95#define setbits(type, addr, set) \
96 out_##type((addr), in_##type(addr) | (set))
97
98#define clrsetbits(type, addr, clear, set) \
99 out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
100
101#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
102#define setbits_be32(addr, set) setbits(be32, addr, set)
103#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
104
105#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
106#define setbits_le32(addr, set) setbits(le32, addr, set)
107#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
108
109#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
110#define setbits_be16(addr, set) setbits(be16, addr, set)
111#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
112
113#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
114#define setbits_le16(addr, set) setbits(le16, addr, set)
115#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
116
117#define clrbits_8(addr, clear) clrbits(8, addr, clear)
118#define setbits_8(addr, set) setbits(8, addr, set)
119#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
120
Simon Glass70778bc2015-03-05 12:25:26 -0700121/* I/O access functions */
Simon Glassca6f1212019-09-25 08:56:02 -0600122int _inl(unsigned int addr);
123int _inw(unsigned int addr);
124int _inb(unsigned int addr);
Simon Glass70778bc2015-03-05 12:25:26 -0700125
Simon Glassca6f1212019-09-25 08:56:02 -0600126void _outl(unsigned int value, unsigned int addr);
127void _outw(unsigned int value, unsigned int addr);
128void _outb(unsigned int value, unsigned int addr);
129
130#define inb(port) _inb((uintptr_t)(port))
131#define inw(port) _inw((uintptr_t)(port))
132#define inl(port) _inl((uintptr_t)(port))
133
134#define outb(val, port) _outb(val, (uintptr_t)(port))
135#define outw(val, port) _outw(val, (uintptr_t)(port))
136#define outl(val, port) _outl(val, (uintptr_t)(port))
Simon Glass70778bc2015-03-05 12:25:26 -0700137
Maxime Ripardf768aa82017-10-02 15:25:56 +0200138#define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a)
139#define in_arch(type,endian,a) endian##_to_cpu(read##type(a))
140
141#define out_le32(a,v) out_arch(l,le32,a,v)
142#define out_le16(a,v) out_arch(w,le16,a,v)
143
144#define in_le32(a) in_arch(l,le32,a)
145#define in_le16(a) in_arch(w,le16,a)
146
147#define out_be32(a,v) out_arch(l,be32,a,v)
148#define out_be16(a,v) out_arch(w,be16,a,v)
149
150#define in_be32(a) in_arch(l,be32,a)
151#define in_be16(a) in_arch(w,be16,a)
152
153#define out_8(a,v) writeb(v,a)
154#define in_8(a) readb(a)
155
156#define clrbits(type, addr, clear) \
157 out_##type((addr), in_##type(addr) & ~(clear))
158
159#define setbits(type, addr, set) \
160 out_##type((addr), in_##type(addr) | (set))
161
162#define clrsetbits(type, addr, clear, set) \
163 out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
164
165#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
166#define setbits_be32(addr, set) setbits(be32, addr, set)
167#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
168
169#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
170#define setbits_le32(addr, set) setbits(le32, addr, set)
171#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
172
173#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
174#define setbits_be16(addr, set) setbits(be16, addr, set)
175#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
176
177#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
178#define setbits_le16(addr, set) setbits(le16, addr, set)
179#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
180
181#define clrbits_8(addr, clear) clrbits(8, addr, clear)
182#define setbits_8(addr, set) setbits(8, addr, set)
183#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
184
Simon Glass8d5e2452016-05-01 11:35:54 -0600185static inline void _insw(volatile u16 *port, void *buf, int ns)
186{
187}
188
189static inline void _outsw(volatile u16 *port, const void *buf, int ns)
190{
191}
192
Christian GMEINER048b2f42018-12-04 20:35:24 +0100193static inline void memset_io(volatile void *addr, unsigned char val, int count)
194{
195}
196
197static inline void memcpy_fromio(void *dst, const volatile void *src, int count)
198{
199}
200
201static inline void memcpy_toio(volatile void *dst, const void *src, int count)
202{
203}
204
Simon Glass8d5e2452016-05-01 11:35:54 -0600205#define insw(port, buf, ns) _insw((u16 *)port, buf, ns)
206#define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns)
207
Simon Glassca6f1212019-09-25 08:56:02 -0600208/* IO space accessors */
209#define clrio(type, addr, clear) \
210 out##type(in##type(addr) & ~(clear), (addr))
211
212#define setio(type, addr, set) \
213 out##type(in##type(addr) | (set), (addr))
214
215#define clrsetio(type, addr, clear, set) \
216 out##type((in##type(addr) & ~(clear)) | (set), (addr))
217
218#define clrio_32(addr, clear) clrio(l, addr, clear)
219#define clrio_16(addr, clear) clrio(w, addr, clear)
220#define clrio_8(addr, clear) clrio(b, addr, clear)
221
222#define setio_32(addr, set) setio(l, addr, set)
223#define setio_16(addr, set) setio(w, addr, set)
224#define setio_8(addr, set) setio(b, addr, set)
225
226#define clrsetio_32(addr, clear, set) clrsetio(l, addr, clear, set)
227#define clrsetio_16(addr, clear, set) clrsetio(w, addr, clear, set)
228#define clrsetio_8(addr, clear, set) clrsetio(b, addr, clear, set)
229
Simon Glass125a27b2014-06-11 23:29:43 -0600230#include <iotrace.h>
Tom Rini22e42682016-03-15 13:20:23 -0400231#include <asm/types.h>
Simon Glass125a27b2014-06-11 23:29:43 -0600232
Simon Glass62cf9122013-04-26 02:53:43 +0000233#endif