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                 at91_set_multi_drive(data->pullup_pin, 1);
 106         }
 107
 108         udc_data = *data;
 109         platform_device_register(&at91rm9200_udc_device);
 110 }
 111 #else
 112 void __init at91_add_device_udc(struct at91_udc_data *data) {}
 113 #endif
 114
 115
 116 /* --------------------------------------------------------------------
 117  *  Ethernet
 118  * -------------------------------------------------------------------- */
 119
 120 #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE)
 121 static u64 eth_dmamask = 0xffffffffUL;
 122 static struct at91_eth_data eth_data;
 123
 124 static struct platform_device at91rm9200_eth_device = {
 125         .name           = "at91_ether",
 126         .id             = -1,
 127         .dev            = {
 128                                 .dma_mask               = &eth_dmamask,
 129                                 .coherent_dma_mask      = 0xffffffff,
 130                                 .platform_data          = &eth_data,
 131         },
 132         .num_resources  = 0,
 133 };
 134
 135 void __init at91_add_device_eth(struct at91_eth_data *data)
 136 {
 137         if (!data)
 138                 return;
 139
 140         if (data->phy_irq_pin) {
 141                 at91_set_gpio_input(data->phy_irq_pin, 0);
 142                 at91_set_deglitch(data->phy_irq_pin, 1);
 143         }
 144
 145         /* Pins used for MII and RMII */
 146         at91_set_A_periph(AT91_PIN_PA16, 0);    /* EMDIO */
 147         at91_set_A_periph(AT91_PIN_PA15, 0);    /* EMDC */
 148         at91_set_A_periph(AT91_PIN_PA14, 0);    /* ERXER */
 149         at91_set_A_periph(AT91_PIN_PA13, 0);    /* ERX1 */
 150         at91_set_A_periph(AT91_PIN_PA12, 0);    /* ERX0 */
 151         at91_set_A_periph(AT91_PIN_PA11, 0);    /* ECRS_ECRSDV */
 152         at91_set_A_periph(AT91_PIN_PA10, 0);    /* ETX1 */
 153         at91_set_A_periph(AT91_PIN_PA9, 0);     /* ETX0 */
 154         at91_set_A_periph(AT91_PIN_PA8, 0);     /* ETXEN */
 155         at91_set_A_periph(AT91_PIN_PA7, 0);     /* ETXCK_EREFCK */
 156
 157         if (!data->is_rmii) {
 158                 at91_set_B_periph(AT91_PIN_PB19, 0);    /* ERXCK */
 159                 at91_set_B_periph(AT91_PIN_PB18, 0);    /* ECOL */
 160                 at91_set_B_periph(AT91_PIN_PB17, 0);    /* ERXDV */
 161                 at91_set_B_periph(AT91_PIN_PB16, 0);    /* ERX3 */
 162                 at91_set_B_periph(AT91_PIN_PB15, 0);    /* ERX2 */
 163                 at91_set_B_periph(AT91_PIN_PB14, 0);    /* ETXER */
 164                 at91_set_B_periph(AT91_PIN_PB13, 0);    /* ETX3 */
 165                 at91_set_B_periph(AT91_PIN_PB12, 0);    /* ETX2 */
 166         }
 167
 168         eth_data = *data;
 169         platform_device_register(&at91rm9200_eth_device);
 170 }
 171 #else
 172 void __init at91_add_device_eth(struct at91_eth_data *data) {}
 173 #endif
 174
 175
 176 /* --------------------------------------------------------------------
 177  *  Compact Flash / PCMCIA
 178  * -------------------------------------------------------------------- */
 179
 180 #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE)
 181 static struct at91_cf_data cf_data;
 182
 183 static struct platform_device at91rm9200_cf_device = {
 184         .name           = "at91_cf",
 185         .id             = -1,
 186         .dev            = {
 187                                 .platform_data          = &cf_data,
 188         },
 189         .num_resources  = 0,
 190 };
 191
 192 void __init at91_add_device_cf(struct at91_cf_data *data)
 193 {
 194         if (!data)
 195                 return;
 196
 197         /* input/irq */
 198         if (data->irq_pin) {
 199                 at91_set_gpio_input(data->irq_pin, 1);
 200                 at91_set_deglitch(data->irq_pin, 1);
 201         }
 202         at91_set_gpio_input(data->det_pin, 1);
 203         at91_set_deglitch(data->det_pin, 1);
 204
 205         /* outputs, initially off */
 206         if (data->vcc_pin)
 207                 at91_set_gpio_output(data->vcc_pin, 0);
 208         at91_set_gpio_output(data->rst_pin, 0);
 209
 210         cf_data = *data;
 211         platform_device_register(&at91rm9200_cf_device);
 212 }
 213 #else
 214 void __init at91_add_device_cf(struct at91_cf_data *data) {}
 215 #endif
 216
 217
 218 /* --------------------------------------------------------------------
 219  *  MMC / SD
 220  * -------------------------------------------------------------------- */
 221
 222 #if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE)
 223 static u64 mmc_dmamask = 0xffffffffUL;
 224 static struct at91_mmc_data mmc_data;
 225
 226 static struct resource at91_mmc_resources[] = {
 227         {
 228                 .start  = AT91_BASE_MCI,
 229                 .end    = AT91_BASE_MCI + SZ_16K - 1,
 230                 .flags  = IORESOURCE_MEM,
 231         }
 232 };
 233
 234 static struct platform_device at91rm9200_mmc_device = {
 235         .name           = "at91rm9200_mci",
 236         .id             = -1,
 237         .dev            = {
 238                                 .dma_mask               = &mmc_dmamask,
 239                                 .coherent_dma_mask      = 0xffffffff,
 240                                 .platform_data          = &mmc_data,
 241         },
 242         .resource       = at91_mmc_resources,
 243         .num_resources  = ARRAY_SIZE(at91_mmc_resources),
 244 };
 245
 246 void __init at91_add_device_mmc(struct at91_mmc_data *data)
 247 {
 248         if (!data)
 249                 return;
 250
 251         /* input/irq */
 252         if (data->det_pin) {
 253                 at91_set_gpio_input(data->det_pin, 1);
 254                 at91_set_deglitch(data->det_pin, 1);
 255         }
 256         if (data->wp_pin)
 257                 at91_set_gpio_input(data->wp_pin, 1);
 258
 259         /* CLK */
 260         at91_set_A_periph(AT91_PIN_PA27, 0);
 261
 262         if (data->is_b) {
 263                 /* CMD */
 264                 at91_set_B_periph(AT91_PIN_PA8, 0);
 265
 266                 /* DAT0, maybe DAT1..DAT3 */
 267                 at91_set_B_periph(AT91_PIN_PA9, 0);
 268                 if (data->wire4) {
 269                         at91_set_B_periph(AT91_PIN_PA10, 0);
 270                         at91_set_B_periph(AT91_PIN_PA11, 0);
 271                         at91_set_B_periph(AT91_PIN_PA12, 0);
 272                 }
 273         } else {
 274                 /* CMD */
 275                 at91_set_A_periph(AT91_PIN_PA28, 0);
 276
 277                 /* DAT0, maybe DAT1..DAT3 */
 278                 at91_set_A_periph(AT91_PIN_PA29, 0);
 279                 if (data->wire4) {
 280                         at91_set_B_periph(AT91_PIN_PB3, 0);
 281                         at91_set_B_periph(AT91_PIN_PB4, 0);
 282                         at91_set_B_periph(AT91_PIN_PB5, 0);
 283                 }
 284         }
 285
 286         mmc_data = *data;
 287         platform_device_register(&at91rm9200_mmc_device);
 288 }
 289 #else
 290 void __init at91_add_device_mmc(struct at91_mmc_data *data) {}
 291 #endif
 292
 293 /* -------------------------------------------------------------------- */