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
213
214
215
216
|
/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/amba/bus.h>
#include <plat/ste_dma40.h>
#include <mach/hardware.h>
#include <mach/setup.h>
#include "ste-dma40-db8500.h"
static struct nmk_gpio_platform_data u8500_gpio_data[] = {
GPIO_DATA("GPIO-0-31", 0),
GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
GPIO_DATA("GPIO-64-95", 64),
GPIO_DATA("GPIO-96-127", 96), /* 98..127 not routed to pin */
GPIO_DATA("GPIO-128-159", 128),
GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
GPIO_DATA("GPIO-192-223", 192),
GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
GPIO_DATA("GPIO-256-288", 256), /* 268..288 not routed to pin */
};
static struct resource u8500_gpio_resources[] = {
GPIO_RESOURCE(0),
GPIO_RESOURCE(1),
GPIO_RESOURCE(2),
GPIO_RESOURCE(3),
GPIO_RESOURCE(4),
GPIO_RESOURCE(5),
GPIO_RESOURCE(6),
GPIO_RESOURCE(7),
GPIO_RESOURCE(8),
};
struct platform_device u8500_gpio_devs[] = {
GPIO_DEVICE(0),
GPIO_DEVICE(1),
GPIO_DEVICE(2),
GPIO_DEVICE(3),
GPIO_DEVICE(4),
GPIO_DEVICE(5),
GPIO_DEVICE(6),
GPIO_DEVICE(7),
GPIO_DEVICE(8),
};
struct amba_device u8500_ssp0_device = {
.dev = {
.coherent_dma_mask = ~0,
.init_name = "ssp0",
},
.res = {
.start = U8500_SSP0_BASE,
.end = U8500_SSP0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
.irq = {IRQ_DB8500_SSP0, NO_IRQ },
/* ST-Ericsson modified id */
.periphid = SSP_PER_ID,
};
static struct resource u8500_i2c0_resources[] = {
[0] = {
.start = U8500_I2C0_BASE,
.end = U8500_I2C0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_I2C0,
.end = IRQ_DB8500_I2C0,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c0_device = {
.name = "nmk-i2c",
.id = 0,
.resource = u8500_i2c0_resources,
.num_resources = ARRAY_SIZE(u8500_i2c0_resources),
};
static struct resource u8500_i2c4_resources[] = {
[0] = {
.start = U8500_I2C4_BASE,
.end = U8500_I2C4_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DB8500_I2C4,
.end = IRQ_DB8500_I2C4,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device u8500_i2c4_device = {
.name = "nmk-i2c",
.id = 4,
.resource = u8500_i2c4_resources,
.num_resources = ARRAY_SIZE(u8500_i2c4_resources),
};
static struct resource dma40_resources[] = {
[0] = {
.start = U8500_DMA_BASE,
.end = U8500_DMA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "base",
},
[1] = {
.start = U8500_DMA_LCPA_BASE,
.end = U8500_DMA_LCPA_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
.name = "lcpa",
},
[2] = {
.start = U8500_DMA_LCLA_BASE,
.end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1,
.flags = IORESOURCE_MEM,
.name = "lcla",
},
[3] = {
.start = IRQ_DB8500_DMA,
.end = IRQ_DB8500_DMA,
.flags = IORESOURCE_IRQ}
};
/* Default configuration for physcial memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
.channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_PCHAN_BASIC_MODE),
.dir = STEDMA40_MEM_TO_MEM,
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_PHY_1,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_PHY_1,
};
/* Default configuration for logical memcpy */
struct stedma40_chan_cfg dma40_memcpy_conf_log = {
.channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
STEDMA40_LOW_PRIORITY_CHANNEL |
STEDMA40_LCHAN_SRC_LOG_DST_LOG |
STEDMA40_NO_TIM_FOR_LINK),
.dir = STEDMA40_MEM_TO_MEM,
.src_info.endianess = STEDMA40_LITTLE_ENDIAN,
.src_info.data_width = STEDMA40_BYTE_WIDTH,
.src_info.psize = STEDMA40_PSIZE_LOG_1,
.dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
.dst_info.psize = STEDMA40_PSIZE_LOG_1,
};
/*
* Mapping between destination event lines and physical device address.
* The event line is tied to a device and therefor the address is constant.
*/
static const dma_addr_t dma40_tx_map[STEDMA40_NR_DEV];
/* Mapping between source event lines and physical device address */
static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV];
/* Reserved event lines for memcpy only */
static int dma40_memcpy_event[] = {
STEDMA40_MEMCPY_TX_1,
STEDMA40_MEMCPY_TX_2,
STEDMA40_MEMCPY_TX_3,
STEDMA40_MEMCPY_TX_4,
};
static struct stedma40_platform_data dma40_plat_data = {
.dev_len = STEDMA40_NR_DEV,
.dev_rx = dma40_rx_map,
.dev_tx = dma40_tx_map,
.memcpy = dma40_memcpy_event,
.memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
.memcpy_conf_phy = &dma40_memcpy_conf_phy,
.memcpy_conf_log = &dma40_memcpy_conf_log,
.llis_per_log = 8,
};
struct platform_device u8500_dma40_device = {
.dev = {
.platform_data = &dma40_plat_data,
},
.name = "dma40",
.id = 0,
.num_resources = ARRAY_SIZE(dma40_resources),
.resource = dma40_resources
};
void dma40_u8500ed_fixup(void)
{
dma40_plat_data.memcpy = NULL;
dma40_plat_data.memcpy_len = 0;
dma40_resources[0].start = U8500_DMA_BASE_ED;
dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
}
|
