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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
* Copyright (C) 2010 Pengutronix
* Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
*
* 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/compiler.h>
#include <linux/err.h>
#include <linux/init.h>
#include <mach/hardware.h>
#include <mach/devices-common.h>
#include <mach/sdma.h>
struct imx_imx_sdma_data {
resource_size_t iobase;
resource_size_t irq;
struct sdma_platform_data pdata;
};
#define imx_imx_sdma_data_entry_single(soc, _sdma_version, _cpu_name, _to_version)\
{ \
.iobase = soc ## _SDMA ## _BASE_ADDR, \
.irq = soc ## _INT_SDMA, \
.pdata = { \
.sdma_version = _sdma_version, \
.cpu_name = _cpu_name, \
.to_version = _to_version, \
}, \
}
#ifdef CONFIG_SOC_IMX25
struct imx_imx_sdma_data imx25_imx_sdma_data __initconst =
imx_imx_sdma_data_entry_single(MX25, 2, "imx25", 1);
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX31
struct imx_imx_sdma_data imx31_imx_sdma_data __initdata =
imx_imx_sdma_data_entry_single(MX31, 1, "imx31", 1);
#endif /* ifdef CONFIG_SOC_IMX31 */
#ifdef CONFIG_SOC_IMX35
struct imx_imx_sdma_data imx35_imx_sdma_data __initdata =
imx_imx_sdma_data_entry_single(MX35, 2, "imx35", 1);
#endif /* ifdef CONFIG_SOC_IMX35 */
#ifdef CONFIG_SOC_IMX51
struct imx_imx_sdma_data imx51_imx_sdma_data __initconst =
imx_imx_sdma_data_entry_single(MX51, 2, "imx51", 1);
#endif /* ifdef CONFIG_SOC_IMX51 */
static struct platform_device __init __maybe_unused *imx_add_imx_sdma(
const struct imx_imx_sdma_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_16K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->irq,
.end = data->irq,
.flags = IORESOURCE_IRQ,
},
};
return imx_add_platform_device("imx-sdma", -1,
res, ARRAY_SIZE(res),
&data->pdata, sizeof(data->pdata));
}
static struct platform_device __init __maybe_unused *imx_add_imx_dma(void)
{
return imx_add_platform_device("imx-dma", -1, NULL, 0, NULL, 0);
}
#ifdef CONFIG_ARCH_MX25
static struct sdma_script_start_addrs addr_imx25 = {
.ap_2_ap_addr = 729,
.uart_2_mcu_addr = 904,
.per_2_app_addr = 1255,
.mcu_2_app_addr = 834,
.uartsh_2_mcu_addr = 1120,
.per_2_shp_addr = 1329,
.mcu_2_shp_addr = 1048,
.ata_2_mcu_addr = 1560,
.mcu_2_ata_addr = 1479,
.app_2_per_addr = 1189,
.app_2_mcu_addr = 770,
.shp_2_per_addr = 1407,
.shp_2_mcu_addr = 979,
};
#endif
#ifdef CONFIG_SOC_IMX31
static struct sdma_script_start_addrs addr_imx31_to1 = {
.per_2_per_addr = 1677,
};
static struct sdma_script_start_addrs addr_imx31_to2 = {
.ap_2_ap_addr = 423,
.ap_2_bp_addr = 829,
.bp_2_ap_addr = 1029,
};
#endif
#ifdef CONFIG_SOC_IMX35
static struct sdma_script_start_addrs addr_imx35_to1 = {
.ap_2_ap_addr = 642,
.uart_2_mcu_addr = 817,
.mcu_2_app_addr = 747,
.uartsh_2_mcu_addr = 1183,
.per_2_shp_addr = 1033,
.mcu_2_shp_addr = 961,
.ata_2_mcu_addr = 1333,
.mcu_2_ata_addr = 1252,
.app_2_mcu_addr = 683,
.shp_2_per_addr = 1111,
.shp_2_mcu_addr = 892,
};
static struct sdma_script_start_addrs addr_imx35_to2 = {
.ap_2_ap_addr = 729,
.uart_2_mcu_addr = 904,
.per_2_app_addr = 1597,
.mcu_2_app_addr = 834,
.uartsh_2_mcu_addr = 1270,
.per_2_shp_addr = 1120,
.mcu_2_shp_addr = 1048,
.ata_2_mcu_addr = 1429,
.mcu_2_ata_addr = 1339,
.app_2_per_addr = 1531,
.app_2_mcu_addr = 770,
.shp_2_per_addr = 1198,
.shp_2_mcu_addr = 979,
};
#endif
#ifdef CONFIG_SOC_IMX51
static struct sdma_script_start_addrs addr_imx51 = {
.ap_2_ap_addr = 642,
.uart_2_mcu_addr = 817,
.mcu_2_app_addr = 747,
.mcu_2_shp_addr = 961,
.ata_2_mcu_addr = 1473,
.mcu_2_ata_addr = 1392,
.app_2_per_addr = 1033,
.app_2_mcu_addr = 683,
.shp_2_per_addr = 1251,
.shp_2_mcu_addr = 892,
};
#endif
static int __init imxXX_add_imx_dma(void)
{
struct platform_device *ret;
#if defined(CONFIG_SOC_IMX21) || defined(CONFIG_SOC_IMX27)
if (cpu_is_mx21() || cpu_is_mx27())
ret = imx_add_imx_dma();
else
#endif
#if defined(CONFIG_SOC_IMX25)
if (cpu_is_mx25()) {
imx25_imx_sdma_data.pdata.script_addrs = &addr_imx25;
ret = imx_add_imx_sdma(&imx25_imx_sdma_data);
} else
#endif
#if defined(CONFIG_SOC_IMX31)
if (cpu_is_mx31()) {
int to_version = mx31_revision() >> 4;
imx31_imx_sdma_data.pdata.to_version = to_version;
if (to_version == 1)
imx31_imx_sdma_data.pdata.script_addrs = &addr_imx31_to1;
else
imx31_imx_sdma_data.pdata.script_addrs = &addr_imx31_to2;
ret = imx_add_imx_sdma(&imx31_imx_sdma_data);
} else
#endif
#if defined(CONFIG_SOC_IMX35)
if (cpu_is_mx35()) {
int to_version = mx35_revision() >> 4;
imx35_imx_sdma_data.pdata.to_version = to_version;
if (to_version == 1)
imx35_imx_sdma_data.pdata.script_addrs = &addr_imx35_to1;
else
imx35_imx_sdma_data.pdata.script_addrs = &addr_imx35_to2;
ret = imx_add_imx_sdma(&imx35_imx_sdma_data);
} else
#endif
#if defined(CONFIG_SOC_IMX51)
if (cpu_is_mx51()) {
int to_version = mx51_revision() >> 4;
imx51_imx_sdma_data.pdata.to_version = to_version;
imx51_imx_sdma_data.pdata.script_addrs = &addr_imx51;
ret = imx_add_imx_sdma(&imx51_imx_sdma_data);
} else
#endif
ret = ERR_PTR(-ENODEV);
if (IS_ERR(ret))
return PTR_ERR(ret);
return 0;
}
arch_initcall(imxXX_add_imx_dma);
|
