[ARM] 3240/2: AT91RM9200 support for 2.6 (Core)
[linux-2.6.git] / arch / arm / mach-at91rm9200 / devices.c
1 /*
2  * arch/arm/mach-at91rm9200/devices.c
3  *
4  *  Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
5  *  Copyright (C) 2005 David Brownell
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  */
13 #include <asm/mach/arch.h>
14 #include <asm/mach/map.h>
15
16 #include <linux/config.h>
17 #include <linux/platform_device.h>
18
19 #include <asm/arch/board.h>
20 #include <asm/arch/pio.h>
21
22
23 /* --------------------------------------------------------------------
24  *  USB Host
25  * -------------------------------------------------------------------- */
26
27 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
28 static u64 ohci_dmamask = 0xffffffffUL;
29 static struct at91_usbh_data usbh_data;
30
31 static struct resource at91rm9200_usbh_resource[] = {
32         [0] = {
33                 .start  = AT91_UHP_BASE,
34                 .end    = AT91_UHP_BASE + SZ_1M -1,
35                 .flags  = IORESOURCE_MEM,
36         },
37         [1] = {
38                 .start  = AT91_ID_UHP,
39                 .end    = AT91_ID_UHP,
40                 .flags  = IORESOURCE_IRQ,
41         },
42 };
43
44 static struct platform_device at91rm9200_usbh_device = {
45         .name           = "at91rm9200-ohci",
46         .id             = -1,
47         .dev            = {
48                                 .dma_mask               = &ohci_dmamask,
49                                 .coherent_dma_mask      = 0xffffffff,
50                                 .platform_data          = &usbh_data,
51         },
52         .resource       = at91rm9200_usbh_resource,
53         .num_resources  = ARRAY_SIZE(at91rm9200_usbh_resource),
54 };
55
56 void __init at91_add_device_usbh(struct at91_usbh_data *data)
57 {
58         if (!data)
59                 return;
60
61         usbh_data = *data;
62         platform_device_register(&at91rm9200_usbh_device);
63 }
64 #else
65 void __init at91_add_device_usbh(struct at91_usbh_data *data) {}
66 #endif
67
68
69 /* --------------------------------------------------------------------
70  *  USB Device (Gadget)
71  * -------------------------------------------------------------------- */
72
73 #ifdef CONFIG_USB_GADGET_AT91
74 static struct at91_udc_data udc_data;
75
76 static struct resource at91_udc_resources[] = {
77         {
78                 .start  = AT91_BASE_UDP,
79                 .end    = AT91_BASE_UDP + SZ_16K - 1,
80                 .flags  = IORESOURCE_MEM,
81         }
82 };
83
84 static struct platform_device at91rm9200_udc_device = {
85         .name           = "at91_udc",
86         .id             = -1,
87         .dev            = {
88                                 .platform_data          = &udc_data,
89         },
90         .resource       = at91_udc_resources,
91         .num_resources  = ARRAY_SIZE(at91_udc_resources),
92 };
93
94 void __init at91_add_device_udc(struct at91_udc_data *data)
95 {
96         if (!data)
97                 return;
98
99         if (data->vbus_pin) {
100                 at91_set_gpio_input(data->vbus_pin, 0);
101                 at91_set_deglitch(data->vbus_pin, 1);
102         }
103         if (data->pullup_pin)
104                 at91_set_gpio_output(data->pullup_pin, 0);
105
106         udc_data = *data;
107         platform_device_register(&at91rm9200_udc_device);
108 }
109 #else
110 void __init at91_add_device_udc(struct at91_udc_data *data) {}
111 #endif
112
113
114 /* --------------------------------------------------------------------
115  *  Ethernet
116  * -------------------------------------------------------------------- */
117
118 #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
119 static u64 eth_dmamask = 0xffffffffUL;
120 static struct at91_eth_data eth_data;
121
122 static struct platform_device at91rm9200_eth_device = {
123         .name           = "at91_ether",
124         .id             = -1,
125         .dev            = {
126                                 .dma_mask               = &eth_dmamask,
127                                 .coherent_dma_mask      = 0xffffffff,
128                                 .platform_data          = &eth_data,
129         },
130         .num_resources  = 0,
131 };
132
133 void __init at91_add_device_eth(struct at91_eth_data *data)
134 {
135         if (!data)
136                 return;
137
138         if (data->phy_irq_pin) {
139                 at91_set_gpio_input(data->phy_irq_pin, 0);
140                 at91_set_deglitch(data->phy_irq_pin, 1);
141         }
142
143         /* Pins used for MII and RMII */
144         at91_set_A_periph(AT91_PIN_PA16, 0);    /* EMDIO */
145         at91_set_A_periph(AT91_PIN_PA15, 0);    /* EMDC */
146         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERXER */
147         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ERX1 */
148         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ERX0 */
149         at91_set_A_periph(AT91_PIN_PA11, 0);    /* ECRS_ECRSDV */
150         at91_set_A_periph(AT91_PIN_PA10, 0);    /* ETX1 */
151         at91_set_A_periph(AT91_PIN_PA9, 0);     /* ETX0 */
152         at91_set_A_periph(AT91_PIN_PA8, 0);     /* ETXEN */
153         at91_set_A_periph(AT91_PIN_PA7, 0);     /* ETXCK_EREFCK */
154
155         if (!data->is_rmii) {
156                 at91_set_B_periph(AT91_PIN_PB19, 0);    /* ERXCK */
157                 at91_set_B_periph(AT91_PIN_PB18, 0);    /* ECOL */
158                 at91_set_B_periph(AT91_PIN_PB17, 0);    /* ERXDV */
159                 at91_set_B_periph(AT91_PIN_PB16, 0);    /* ERX3 */
160                 at91_set_B_periph(AT91_PIN_PB15, 0);    /* ERX2 */
161                 at91_set_B_periph(AT91_PIN_PB14, 0);    /* ETXER */
162                 at91_set_B_periph(AT91_PIN_PB13, 0);    /* ETX3 */
163                 at91_set_B_periph(AT91_PIN_PB12, 0);    /* ETX2 */
164         }
165
166         eth_data = *data;
167         platform_device_register(&at91rm9200_eth_device);
168 }
169 #else
170 void __init at91_add_device_eth(struct at91_eth_data *data) {}
171 #endif
172
173
174 /* --------------------------------------------------------------------
175  *  Compact Flash / PCMCIA
176  * -------------------------------------------------------------------- */
177
178 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
179 static struct at91_cf_data cf_data;
180
181 static struct platform_device at91rm9200_cf_device = {
182         .name           = "at91_cf",
183         .id             = -1,
184         .dev            = {
185                                 .platform_data          = &cf_data,
186         },
187         .num_resources  = 0,
188 };
189
190 void __init at91_add_device_cf(struct at91_cf_data *data)
191 {
192         if (!data)
193                 return;
194
195         /* input/irq */
196         if (data->irq_pin) {
197                 at91_set_gpio_input(data->irq_pin, 1);
198                 at91_set_deglitch(data->irq_pin, 1);
199         }
200         at91_set_gpio_input(data->det_pin, 1);
201         at91_set_deglitch(data->det_pin, 1);
202
203         /* outputs, initially off */
204         if (data->vcc_pin)
205                 at91_set_gpio_output(data->vcc_pin, 0);
206         at91_set_gpio_output(data->rst_pin, 0);
207
208         cf_data = *data;
209         platform_device_register(&at91rm9200_cf_device);
210 }
211 #else
212 void __init at91_add_device_cf(struct at91_cf_data *data) {}
213 #endif
214
215
216 /* --------------------------------------------------------------------
217  *  MMC / SD
218  * -------------------------------------------------------------------- */
219
220 #if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
221 static u64 mmc_dmamask = 0xffffffffUL;
222 static struct at91_mmc_data mmc_data;
223
224 static struct resource at91_mmc_resources[] = {
225         {
226                 .start  = AT91_BASE_MCI,
227                 .end    = AT91_BASE_MCI + SZ_16K - 1,
228                 .flags  = IORESOURCE_MEM,
229         }
230 };
231
232 static struct platform_device at91rm9200_mmc_device = {
233         .name           = "at91rm9200_mci",
234         .id             = -1,
235         .dev            = {
236                                 .dma_mask               = &mmc_dmamask,
237                                 .coherent_dma_mask      = 0xffffffff,
238                                 .platform_data          = &mmc_data,
239         },
240         .resource       = at91_mmc_resources,
241         .num_resources  = ARRAY_SIZE(at91_mmc_resources),
242 };
243
244 void __init at91_add_device_mmc(struct at91_mmc_data *data)
245 {
246         if (!data)
247                 return;
248
249         /* input/irq */
250         if (data->det_pin) {
251                 at91_set_gpio_input(data->det_pin, 1);
252                 at91_set_deglitch(data->det_pin, 1);
253         }
254         if (data->wp_pin)
255                 at91_set_gpio_input(data->wp_pin, 1);
256
257         /* CLK */
258         at91_set_A_periph(AT91_PIN_PA27, 0);
259
260         if (data->is_b) {
261                 /* CMD */
262                 at91_set_B_periph(AT91_PIN_PA8, 0);
263
264                 /* DAT0, maybe DAT1..DAT3 */
265                 at91_set_B_periph(AT91_PIN_PA9, 0);
266                 if (data->wire4) {
267                         at91_set_B_periph(AT91_PIN_PA10, 0);
268                         at91_set_B_periph(AT91_PIN_PA11, 0);
269                         at91_set_B_periph(AT91_PIN_PA12, 0);
270                 }
271         } else {
272                 /* CMD */
273                 at91_set_A_periph(AT91_PIN_PA28, 0);
274
275                 /* DAT0, maybe DAT1..DAT3 */
276                 at91_set_A_periph(AT91_PIN_PA29, 0);
277                 if (data->wire4) {
278                         at91_set_B_periph(AT91_PIN_PB3, 0);
279                         at91_set_B_periph(AT91_PIN_PB4, 0);
280                         at91_set_B_periph(AT91_PIN_PB5, 0);
281                 }
282         }
283
284         mmc_data = *data;
285         platform_device_register(&at91rm9200_mmc_device);
286 }
287 #else
288 void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
289 #endif
290
291 /* -------------------------------------------------------------------- */