86b650b0d4565bf0ef0937ed8e80d96d758cb9e8
[linux-2.6.git] / arch / arm / mach-ux500 / devices-db8500.c
1 /*
2  * Copyright (C) ST-Ericsson SA 2010
3  *
4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5  * License terms: GNU General Public License (GPL) version 2
6  */
7
8 #include <linux/kernel.h>
9 #include <linux/platform_device.h>
10 #include <linux/interrupt.h>
11 #include <linux/io.h>
12 #include <linux/gpio.h>
13 #include <linux/amba/bus.h>
14
15 #include <plat/ste_dma40.h>
16
17 #include <mach/hardware.h>
18 #include <mach/setup.h>
19
20 #include "ste-dma40-db8500.h"
21
22 static struct nmk_gpio_platform_data u8500_gpio_data[] = {
23         GPIO_DATA("GPIO-0-31", 0),
24         GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
25         GPIO_DATA("GPIO-64-95", 64),
26         GPIO_DATA("GPIO-96-127", 96), /* 98..127 not routed to pin */
27         GPIO_DATA("GPIO-128-159", 128),
28         GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
29         GPIO_DATA("GPIO-192-223", 192),
30         GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
31         GPIO_DATA("GPIO-256-288", 256), /* 268..288 not routed to pin */
32 };
33
34 static struct resource u8500_gpio_resources[] = {
35         GPIO_RESOURCE(0),
36         GPIO_RESOURCE(1),
37         GPIO_RESOURCE(2),
38         GPIO_RESOURCE(3),
39         GPIO_RESOURCE(4),
40         GPIO_RESOURCE(5),
41         GPIO_RESOURCE(6),
42         GPIO_RESOURCE(7),
43         GPIO_RESOURCE(8),
44 };
45
46 struct platform_device u8500_gpio_devs[] = {
47         GPIO_DEVICE(0),
48         GPIO_DEVICE(1),
49         GPIO_DEVICE(2),
50         GPIO_DEVICE(3),
51         GPIO_DEVICE(4),
52         GPIO_DEVICE(5),
53         GPIO_DEVICE(6),
54         GPIO_DEVICE(7),
55         GPIO_DEVICE(8),
56 };
57
58 struct amba_device u8500_ssp0_device = {
59         .dev = {
60                 .coherent_dma_mask = ~0,
61                 .init_name = "ssp0",
62         },
63         .res = {
64                 .start = U8500_SSP0_BASE,
65                 .end   = U8500_SSP0_BASE + SZ_4K - 1,
66                 .flags = IORESOURCE_MEM,
67         },
68         .irq = {IRQ_DB8500_SSP0, NO_IRQ },
69         /* ST-Ericsson modified id */
70         .periphid = SSP_PER_ID,
71 };
72
73 static struct resource u8500_i2c0_resources[] = {
74         [0] = {
75                 .start  = U8500_I2C0_BASE,
76                 .end    = U8500_I2C0_BASE + SZ_4K - 1,
77                 .flags  = IORESOURCE_MEM,
78         },
79         [1] = {
80                 .start  = IRQ_DB8500_I2C0,
81                 .end    = IRQ_DB8500_I2C0,
82                 .flags  = IORESOURCE_IRQ,
83         }
84 };
85
86 struct platform_device u8500_i2c0_device = {
87         .name           = "nmk-i2c",
88         .id             = 0,
89         .resource       = u8500_i2c0_resources,
90         .num_resources  = ARRAY_SIZE(u8500_i2c0_resources),
91 };
92
93 static struct resource u8500_i2c4_resources[] = {
94         [0] = {
95                 .start  = U8500_I2C4_BASE,
96                 .end    = U8500_I2C4_BASE + SZ_4K - 1,
97                 .flags  = IORESOURCE_MEM,
98         },
99         [1] = {
100                 .start  = IRQ_DB8500_I2C4,
101                 .end    = IRQ_DB8500_I2C4,
102                 .flags  = IORESOURCE_IRQ,
103         }
104 };
105
106 struct platform_device u8500_i2c4_device = {
107         .name           = "nmk-i2c",
108         .id             = 4,
109         .resource       = u8500_i2c4_resources,
110         .num_resources  = ARRAY_SIZE(u8500_i2c4_resources),
111 };
112
113 static struct resource dma40_resources[] = {
114         [0] = {
115                 .start = U8500_DMA_BASE,
116                 .end   = U8500_DMA_BASE + SZ_4K - 1,
117                 .flags = IORESOURCE_MEM,
118                 .name  = "base",
119         },
120         [1] = {
121                 .start = U8500_DMA_LCPA_BASE,
122                 .end   = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
123                 .flags = IORESOURCE_MEM,
124                 .name  = "lcpa",
125         },
126         [2] = {
127                 .start = IRQ_DB8500_DMA,
128                 .end   = IRQ_DB8500_DMA,
129                 .flags = IORESOURCE_IRQ,
130         }
131 };
132
133 /* Default configuration for physcial memcpy */
134 struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
135         .channel_type = STEDMA40_PCHAN_BASIC_MODE,
136         .mode = STEDMA40_MODE_PHYSICAL,
137         .dir = STEDMA40_MEM_TO_MEM,
138
139         .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
140         .src_info.data_width = STEDMA40_BYTE_WIDTH,
141         .src_info.psize = STEDMA40_PSIZE_PHY_1,
142         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
143
144         .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
145         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
146         .dst_info.psize = STEDMA40_PSIZE_PHY_1,
147         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
148 };
149 /* Default configuration for logical memcpy */
150 struct stedma40_chan_cfg dma40_memcpy_conf_log = {
151         .channel_type = (STEDMA40_LCHAN_SRC_LOG_DST_LOG |
152                          STEDMA40_NO_TIM_FOR_LINK),
153         .dir = STEDMA40_MEM_TO_MEM,
154
155         .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
156         .src_info.data_width = STEDMA40_BYTE_WIDTH,
157         .src_info.psize = STEDMA40_PSIZE_LOG_1,
158         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
159
160         .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
161         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
162         .dst_info.psize = STEDMA40_PSIZE_LOG_1,
163         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
164 };
165
166 /*
167  * Mapping between destination event lines and physical device address.
168  * The event line is tied to a device and therefor the address is constant.
169  */
170 static const dma_addr_t dma40_tx_map[STEDMA40_NR_DEV];
171
172 /* Mapping between source event lines and physical device address */
173 static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV];
174
175 /* Reserved event lines for memcpy only */
176 static int dma40_memcpy_event[] = {
177         STEDMA40_MEMCPY_TX_0,
178         STEDMA40_MEMCPY_TX_1,
179         STEDMA40_MEMCPY_TX_2,
180         STEDMA40_MEMCPY_TX_3,
181         STEDMA40_MEMCPY_TX_4,
182         STEDMA40_MEMCPY_TX_5,
183 };
184
185 static struct stedma40_platform_data dma40_plat_data = {
186         .dev_len = STEDMA40_NR_DEV,
187         .dev_rx = dma40_rx_map,
188         .dev_tx = dma40_tx_map,
189         .memcpy = dma40_memcpy_event,
190         .memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
191         .memcpy_conf_phy = &dma40_memcpy_conf_phy,
192         .memcpy_conf_log = &dma40_memcpy_conf_log,
193         .disabled_channels = {-1},
194 };
195
196 struct platform_device u8500_dma40_device = {
197         .dev = {
198                 .platform_data = &dma40_plat_data,
199         },
200         .name = "dma40",
201         .id = 0,
202         .num_resources = ARRAY_SIZE(dma40_resources),
203         .resource = dma40_resources
204 };
205
206 void dma40_u8500ed_fixup(void)
207 {
208         dma40_plat_data.memcpy = NULL;
209         dma40_plat_data.memcpy_len = 0;
210         dma40_resources[0].start = U8500_DMA_BASE_ED;
211         dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
212         dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
213         dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
214 }