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 /* -------------------------------------------------------------------- */