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
|
/* arch/arm/mach-msm/io.c
*
* MSM7K, QSD io support
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2008-2010, Code Aurora Forum. All rights reserved.
* Author: Brian Swetland <swetland@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/page.h>
#include <mach/msm_iomap.h>
#include <asm/mach/map.h>
#include <mach/board.h>
#define MSM_DEVICE(name) { \
.virtual = (unsigned long) MSM_##name##_BASE, \
.pfn = __phys_to_pfn(MSM_##name##_PHYS), \
.length = MSM_##name##_SIZE, \
.type = MT_DEVICE_NONSHARED, \
}
#if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \
|| defined(CONFIG_ARCH_MSM7X25)
static struct map_desc msm_io_desc[] __initdata = {
MSM_DEVICE(VIC),
MSM_DEVICE(CSR),
MSM_DEVICE(GPT),
MSM_DEVICE(DMOV),
MSM_DEVICE(GPIO1),
MSM_DEVICE(GPIO2),
MSM_DEVICE(CLK_CTL),
#ifdef CONFIG_MSM_DEBUG_UART
MSM_DEVICE(DEBUG_UART),
#endif
#ifdef CONFIG_ARCH_MSM7X30
MSM_DEVICE(GCC),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_common_io(void)
{
/* Make sure the peripheral register window is closed, since
* we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which
* pages are peripheral interface or not.
*/
asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0));
iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc));
}
#endif
#ifdef CONFIG_ARCH_QSD8X50
static struct map_desc qsd8x50_io_desc[] __initdata = {
MSM_DEVICE(VIC),
MSM_DEVICE(CSR),
MSM_DEVICE(TMR),
MSM_DEVICE(DMOV),
MSM_DEVICE(GPIO1),
MSM_DEVICE(GPIO2),
MSM_DEVICE(CLK_CTL),
MSM_DEVICE(SIRC),
MSM_DEVICE(SCPLL),
MSM_DEVICE(AD5),
MSM_DEVICE(MDC),
#ifdef CONFIG_MSM_DEBUG_UART
MSM_DEVICE(DEBUG_UART),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_qsd8x50_io(void)
{
iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc));
}
#endif /* CONFIG_ARCH_QSD8X50 */
#ifdef CONFIG_ARCH_MSM8X60
static struct map_desc msm8x60_io_desc[] __initdata = {
MSM_DEVICE(QGIC_DIST),
MSM_DEVICE(QGIC_CPU),
MSM_DEVICE(TMR),
MSM_DEVICE(ACC),
MSM_DEVICE(GCC),
};
void __init msm_map_msm8x60_io(void)
{
iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc));
}
#endif /* CONFIG_ARCH_MSM8X60 */
#ifdef CONFIG_ARCH_MSM7X30
static struct map_desc msm7x30_io_desc[] __initdata = {
MSM_DEVICE(VIC),
MSM_DEVICE(CSR),
MSM_DEVICE(TMR),
MSM_DEVICE(DMOV),
MSM_DEVICE(GPIO1),
MSM_DEVICE(GPIO2),
MSM_DEVICE(CLK_CTL),
MSM_DEVICE(CLK_CTL_SH2),
MSM_DEVICE(AD5),
MSM_DEVICE(MDC),
MSM_DEVICE(ACC),
MSM_DEVICE(SAW),
MSM_DEVICE(GCC),
MSM_DEVICE(TCSR),
#ifdef CONFIG_MSM_DEBUG_UART
MSM_DEVICE(DEBUG_UART),
#endif
{
.virtual = (unsigned long) MSM_SHARED_RAM_BASE,
.pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS),
.length = MSM_SHARED_RAM_SIZE,
.type = MT_DEVICE,
},
};
void __init msm_map_msm7x30_io(void)
{
iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc));
}
#endif /* CONFIG_ARCH_MSM7X30 */
void __iomem *
__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
{
if (mtype == MT_DEVICE) {
/* The peripherals in the 88000000 - D0000000 range
* are only accessable by type MT_DEVICE_NONSHARED.
* Adjust mtype as necessary to make this "just work."
*/
if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000))
mtype = MT_DEVICE_NONSHARED;
}
return __arm_ioremap_caller(phys_addr, size, mtype,
__builtin_return_address(0));
}
|
