1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* Common io.c file
* This file is created by Russell King <rmk+kernel@arm.linux.org.uk>
*
* Copyright (C) 2009 Texas Instruments
* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/module.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <mach/omap730.h>
#include <mach/omap1510.h>
#include <mach/omap16xx.h>
#include <mach/omap24xx.h>
#include <mach/omap34xx.h>
#include <mach/omap44xx.h>
#define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz)))
#define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst)))
/*
* Intercept ioremap() requests for addresses in our fixed mapping regions.
*/
void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
{
#ifdef CONFIG_ARCH_OMAP1
if (cpu_class_is_omap1()) {
if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE))
return XLATE(p, OMAP1_IO_PHYS, OMAP1_IO_VIRT);
}
if (cpu_is_omap7xx()) {
if (BETWEEN(p, OMAP730_DSP_BASE, OMAP730_DSP_SIZE))
return XLATE(p, OMAP730_DSP_BASE, OMAP730_DSP_START);
if (BETWEEN(p, OMAP730_DSPREG_BASE, OMAP730_DSPREG_SIZE))
return XLATE(p, OMAP730_DSPREG_BASE,
OMAP730_DSPREG_START);
}
if (cpu_is_omap15xx()) {
if (BETWEEN(p, OMAP1510_DSP_BASE, OMAP1510_DSP_SIZE))
return XLATE(p, OMAP1510_DSP_BASE, OMAP1510_DSP_START);
if (BETWEEN(p, OMAP1510_DSPREG_BASE, OMAP1510_DSPREG_SIZE))
return XLATE(p, OMAP1510_DSPREG_BASE,
OMAP1510_DSPREG_START);
}
if (cpu_is_omap16xx()) {
if (BETWEEN(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_SIZE))
return XLATE(p, OMAP16XX_DSP_BASE, OMAP16XX_DSP_START);
if (BETWEEN(p, OMAP16XX_DSPREG_BASE, OMAP16XX_DSPREG_SIZE))
return XLATE(p, OMAP16XX_DSPREG_BASE,
OMAP16XX_DSPREG_START);
}
#endif
#ifdef CONFIG_ARCH_OMAP2
if (cpu_is_omap24xx()) {
if (BETWEEN(p, L3_24XX_PHYS, L3_24XX_SIZE))
return XLATE(p, L3_24XX_PHYS, L3_24XX_VIRT);
if (BETWEEN(p, L4_24XX_PHYS, L4_24XX_SIZE))
return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT);
}
if (cpu_is_omap2420()) {
if (BETWEEN(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_SIZE))
return XLATE(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_VIRT);
if (BETWEEN(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE))
return XLATE(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE);
if (BETWEEN(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_SIZE))
return XLATE(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_VIRT);
}
if (cpu_is_omap2430()) {
if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE))
return XLATE(p, L4_WK_243X_PHYS, L4_WK_243X_VIRT);
if (BETWEEN(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_SIZE))
return XLATE(p, OMAP243X_GPMC_PHYS, OMAP243X_GPMC_VIRT);
if (BETWEEN(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_SIZE))
return XLATE(p, OMAP243X_SDRC_PHYS, OMAP243X_SDRC_VIRT);
if (BETWEEN(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_SIZE))
return XLATE(p, OMAP243X_SMS_PHYS, OMAP243X_SMS_VIRT);
}
#endif
#ifdef CONFIG_ARCH_OMAP3
if (cpu_is_omap34xx()) {
if (BETWEEN(p, L3_34XX_PHYS, L3_34XX_SIZE))
return XLATE(p, L3_34XX_PHYS, L3_34XX_VIRT);
if (BETWEEN(p, L4_34XX_PHYS, L4_34XX_SIZE))
return XLATE(p, L4_34XX_PHYS, L4_34XX_VIRT);
if (BETWEEN(p, L4_WK_34XX_PHYS, L4_WK_34XX_SIZE))
return XLATE(p, L4_WK_34XX_PHYS, L4_WK_34XX_VIRT);
if (BETWEEN(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_SIZE))
return XLATE(p, OMAP34XX_GPMC_PHYS, OMAP34XX_GPMC_VIRT);
if (BETWEEN(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_SIZE))
return XLATE(p, OMAP343X_SMS_PHYS, OMAP343X_SMS_VIRT);
if (BETWEEN(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_SIZE))
return XLATE(p, OMAP343X_SDRC_PHYS, OMAP343X_SDRC_VIRT);
if (BETWEEN(p, L4_PER_34XX_PHYS, L4_PER_34XX_SIZE))
return XLATE(p, L4_PER_34XX_PHYS, L4_PER_34XX_VIRT);
if (BETWEEN(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_SIZE))
return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT);
}
#endif
#ifdef CONFIG_ARCH_OMAP4
if (cpu_is_omap44xx()) {
if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE))
return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT);
if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE))
return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT);
if (BETWEEN(p, L4_WK_44XX_PHYS, L4_WK_44XX_SIZE))
return XLATE(p, L4_WK_44XX_PHYS, L4_WK_44XX_VIRT);
if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE))
return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT);
if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE))
return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT);
if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE))
return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT);
}
#endif
return __arm_ioremap(p, size, type);
}
EXPORT_SYMBOL(omap_ioremap);
void omap_iounmap(volatile void __iomem *addr)
{
unsigned long virt = (unsigned long)addr;
if (virt >= VMALLOC_START && virt < VMALLOC_END)
__iounmap(addr);
}
EXPORT_SYMBOL(omap_iounmap);
/*
* NOTE: Please use ioremap + __raw_read/write where possible instead of these
*/
u8 omap_readb(u32 pa)
{
if (cpu_class_is_omap1())
return __raw_readb(OMAP1_IO_ADDRESS(pa));
else
return __raw_readb(OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readb);
u16 omap_readw(u32 pa)
{
if (cpu_class_is_omap1())
return __raw_readw(OMAP1_IO_ADDRESS(pa));
else
return __raw_readw(OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readw);
u32 omap_readl(u32 pa)
{
if (cpu_class_is_omap1())
return __raw_readl(OMAP1_IO_ADDRESS(pa));
else
return __raw_readl(OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_readl);
void omap_writeb(u8 v, u32 pa)
{
if (cpu_class_is_omap1())
__raw_writeb(v, OMAP1_IO_ADDRESS(pa));
else
__raw_writeb(v, OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writeb);
void omap_writew(u16 v, u32 pa)
{
if (cpu_class_is_omap1())
__raw_writew(v, OMAP1_IO_ADDRESS(pa));
else
__raw_writew(v, OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writew);
void omap_writel(u32 v, u32 pa)
{
if (cpu_class_is_omap1())
__raw_writel(v, OMAP1_IO_ADDRESS(pa));
else
__raw_writel(v, OMAP2_IO_ADDRESS(pa));
}
EXPORT_SYMBOL(omap_writel);
|
