SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 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 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
| 17 | |
Russell King | ea75ee9 | 2006-06-20 19:53:16 +0100 | [diff] [blame] | 18 | #include <asm/hardware.h> |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 19 | #include <asm/arch/board.h> |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 20 | #include <asm/arch/gpio.h> |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 21 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 22 | #include "generic.h" |
| 23 | |
| 24 | #define SZ_512 0x00000200 |
| 25 | #define SZ_256 0x00000100 |
| 26 | #define SZ_16 0x00000010 |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 27 | |
| 28 | /* -------------------------------------------------------------------- |
| 29 | * USB Host |
| 30 | * -------------------------------------------------------------------- */ |
| 31 | |
| 32 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
| 33 | static u64 ohci_dmamask = 0xffffffffUL; |
| 34 | static struct at91_usbh_data usbh_data; |
| 35 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 36 | static struct resource at91_usbh_resources[] = { |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 37 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 38 | .start = AT91RM9200_UHP_BASE, |
| 39 | .end = AT91RM9200_UHP_BASE + SZ_1M - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 40 | .flags = IORESOURCE_MEM, |
| 41 | }, |
| 42 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 43 | .start = AT91RM9200_ID_UHP, |
| 44 | .end = AT91RM9200_ID_UHP, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 45 | .flags = IORESOURCE_IRQ, |
| 46 | }, |
| 47 | }; |
| 48 | |
| 49 | static struct platform_device at91rm9200_usbh_device = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 50 | .name = "at91_ohci", |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 51 | .id = -1, |
| 52 | .dev = { |
| 53 | .dma_mask = &ohci_dmamask, |
| 54 | .coherent_dma_mask = 0xffffffff, |
| 55 | .platform_data = &usbh_data, |
| 56 | }, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 57 | .resource = at91_usbh_resources, |
| 58 | .num_resources = ARRAY_SIZE(at91_usbh_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | void __init at91_add_device_usbh(struct at91_usbh_data *data) |
| 62 | { |
| 63 | if (!data) |
| 64 | return; |
| 65 | |
| 66 | usbh_data = *data; |
| 67 | platform_device_register(&at91rm9200_usbh_device); |
| 68 | } |
| 69 | #else |
| 70 | void __init at91_add_device_usbh(struct at91_usbh_data *data) {} |
| 71 | #endif |
| 72 | |
| 73 | |
| 74 | /* -------------------------------------------------------------------- |
| 75 | * USB Device (Gadget) |
| 76 | * -------------------------------------------------------------------- */ |
| 77 | |
| 78 | #ifdef CONFIG_USB_GADGET_AT91 |
| 79 | static struct at91_udc_data udc_data; |
| 80 | |
| 81 | static struct resource at91_udc_resources[] = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 82 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 83 | .start = AT91RM9200_BASE_UDP, |
| 84 | .end = AT91RM9200_BASE_UDP + SZ_16K - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 85 | .flags = IORESOURCE_MEM, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 86 | }, |
| 87 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 88 | .start = AT91RM9200_ID_UDP, |
| 89 | .end = AT91RM9200_ID_UDP, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 90 | .flags = IORESOURCE_IRQ, |
| 91 | }, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | static struct platform_device at91rm9200_udc_device = { |
| 95 | .name = "at91_udc", |
| 96 | .id = -1, |
| 97 | .dev = { |
| 98 | .platform_data = &udc_data, |
| 99 | }, |
| 100 | .resource = at91_udc_resources, |
| 101 | .num_resources = ARRAY_SIZE(at91_udc_resources), |
| 102 | }; |
| 103 | |
| 104 | void __init at91_add_device_udc(struct at91_udc_data *data) |
| 105 | { |
| 106 | if (!data) |
| 107 | return; |
| 108 | |
| 109 | if (data->vbus_pin) { |
| 110 | at91_set_gpio_input(data->vbus_pin, 0); |
| 111 | at91_set_deglitch(data->vbus_pin, 1); |
| 112 | } |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 113 | if (data->pullup_pin) |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 114 | at91_set_gpio_output(data->pullup_pin, 0); |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 115 | |
| 116 | udc_data = *data; |
| 117 | platform_device_register(&at91rm9200_udc_device); |
| 118 | } |
| 119 | #else |
| 120 | void __init at91_add_device_udc(struct at91_udc_data *data) {} |
| 121 | #endif |
| 122 | |
| 123 | |
| 124 | /* -------------------------------------------------------------------- |
| 125 | * Ethernet |
| 126 | * -------------------------------------------------------------------- */ |
| 127 | |
| 128 | #if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE) |
| 129 | static u64 eth_dmamask = 0xffffffffUL; |
| 130 | static struct at91_eth_data eth_data; |
| 131 | |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 132 | static struct resource at91_eth_resources[] = { |
| 133 | [0] = { |
Andrew Victor | 1f51c10 | 2006-09-28 16:26:47 +0100 | [diff] [blame] | 134 | .start = AT91_VA_BASE_EMAC, |
| 135 | .end = AT91_VA_BASE_EMAC + SZ_16K - 1, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 136 | .flags = IORESOURCE_MEM, |
| 137 | }, |
| 138 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 139 | .start = AT91RM9200_ID_EMAC, |
| 140 | .end = AT91RM9200_ID_EMAC, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 141 | .flags = IORESOURCE_IRQ, |
| 142 | }, |
| 143 | }; |
| 144 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 145 | static struct platform_device at91rm9200_eth_device = { |
| 146 | .name = "at91_ether", |
| 147 | .id = -1, |
| 148 | .dev = { |
| 149 | .dma_mask = ð_dmamask, |
| 150 | .coherent_dma_mask = 0xffffffff, |
| 151 | .platform_data = ð_data, |
| 152 | }, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 153 | .resource = at91_eth_resources, |
| 154 | .num_resources = ARRAY_SIZE(at91_eth_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 155 | }; |
| 156 | |
| 157 | void __init at91_add_device_eth(struct at91_eth_data *data) |
| 158 | { |
| 159 | if (!data) |
| 160 | return; |
| 161 | |
| 162 | if (data->phy_irq_pin) { |
| 163 | at91_set_gpio_input(data->phy_irq_pin, 0); |
| 164 | at91_set_deglitch(data->phy_irq_pin, 1); |
| 165 | } |
| 166 | |
| 167 | /* Pins used for MII and RMII */ |
| 168 | at91_set_A_periph(AT91_PIN_PA16, 0); /* EMDIO */ |
| 169 | at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ |
| 170 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ |
| 171 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ |
| 172 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ |
| 173 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ |
| 174 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ |
| 175 | at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ |
| 176 | at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ |
| 177 | at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ |
| 178 | |
| 179 | if (!data->is_rmii) { |
| 180 | at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ |
| 181 | at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ |
| 182 | at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ |
| 183 | at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ |
| 184 | at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ |
| 185 | at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ |
| 186 | at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ |
| 187 | at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ |
| 188 | } |
| 189 | |
| 190 | eth_data = *data; |
| 191 | platform_device_register(&at91rm9200_eth_device); |
| 192 | } |
| 193 | #else |
| 194 | void __init at91_add_device_eth(struct at91_eth_data *data) {} |
| 195 | #endif |
| 196 | |
| 197 | |
| 198 | /* -------------------------------------------------------------------- |
| 199 | * Compact Flash / PCMCIA |
| 200 | * -------------------------------------------------------------------- */ |
| 201 | |
| 202 | #if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) |
| 203 | static struct at91_cf_data cf_data; |
| 204 | |
David Brownell | 2c53620 | 2006-04-14 18:05:38 -0700 | [diff] [blame] | 205 | static struct resource at91_cf_resources[] = { |
| 206 | [0] = { |
| 207 | .start = AT91_CF_BASE, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 208 | /* ties up CS4, CS5 and CS6 */ |
David Brownell | 2c53620 | 2006-04-14 18:05:38 -0700 | [diff] [blame] | 209 | .end = AT91_CF_BASE + (0x30000000 - 1), |
| 210 | .flags = IORESOURCE_MEM | IORESOURCE_MEM_8AND16BIT, |
| 211 | }, |
| 212 | }; |
| 213 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 214 | static struct platform_device at91rm9200_cf_device = { |
| 215 | .name = "at91_cf", |
| 216 | .id = -1, |
| 217 | .dev = { |
| 218 | .platform_data = &cf_data, |
| 219 | }, |
David Brownell | 2c53620 | 2006-04-14 18:05:38 -0700 | [diff] [blame] | 220 | .resource = at91_cf_resources, |
| 221 | .num_resources = ARRAY_SIZE(at91_cf_resources), |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 222 | }; |
| 223 | |
| 224 | void __init at91_add_device_cf(struct at91_cf_data *data) |
| 225 | { |
| 226 | if (!data) |
| 227 | return; |
| 228 | |
| 229 | /* input/irq */ |
| 230 | if (data->irq_pin) { |
| 231 | at91_set_gpio_input(data->irq_pin, 1); |
| 232 | at91_set_deglitch(data->irq_pin, 1); |
| 233 | } |
| 234 | at91_set_gpio_input(data->det_pin, 1); |
| 235 | at91_set_deglitch(data->det_pin, 1); |
| 236 | |
| 237 | /* outputs, initially off */ |
| 238 | if (data->vcc_pin) |
| 239 | at91_set_gpio_output(data->vcc_pin, 0); |
| 240 | at91_set_gpio_output(data->rst_pin, 0); |
| 241 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 242 | /* force poweron defaults for these pins ... */ |
| 243 | at91_set_A_periph(AT91_PIN_PC9, 0); /* A25/CFRNW */ |
| 244 | at91_set_A_periph(AT91_PIN_PC10, 0); /* NCS4/CFCS */ |
| 245 | at91_set_A_periph(AT91_PIN_PC11, 0); /* NCS5/CFCE1 */ |
| 246 | at91_set_A_periph(AT91_PIN_PC12, 0); /* NCS6/CFCE2 */ |
| 247 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 248 | cf_data = *data; |
| 249 | platform_device_register(&at91rm9200_cf_device); |
| 250 | } |
| 251 | #else |
| 252 | void __init at91_add_device_cf(struct at91_cf_data *data) {} |
| 253 | #endif |
| 254 | |
| 255 | |
| 256 | /* -------------------------------------------------------------------- |
| 257 | * MMC / SD |
| 258 | * -------------------------------------------------------------------- */ |
| 259 | |
| 260 | #if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE) |
| 261 | static u64 mmc_dmamask = 0xffffffffUL; |
| 262 | static struct at91_mmc_data mmc_data; |
| 263 | |
| 264 | static struct resource at91_mmc_resources[] = { |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 265 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 266 | .start = AT91RM9200_BASE_MCI, |
| 267 | .end = AT91RM9200_BASE_MCI + SZ_16K - 1, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 268 | .flags = IORESOURCE_MEM, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 269 | }, |
| 270 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 271 | .start = AT91RM9200_ID_MCI, |
| 272 | .end = AT91RM9200_ID_MCI, |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 273 | .flags = IORESOURCE_IRQ, |
| 274 | }, |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 275 | }; |
| 276 | |
| 277 | static struct platform_device at91rm9200_mmc_device = { |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 278 | .name = "at91_mci", |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 279 | .id = -1, |
| 280 | .dev = { |
| 281 | .dma_mask = &mmc_dmamask, |
| 282 | .coherent_dma_mask = 0xffffffff, |
| 283 | .platform_data = &mmc_data, |
| 284 | }, |
| 285 | .resource = at91_mmc_resources, |
| 286 | .num_resources = ARRAY_SIZE(at91_mmc_resources), |
| 287 | }; |
| 288 | |
| 289 | void __init at91_add_device_mmc(struct at91_mmc_data *data) |
| 290 | { |
| 291 | if (!data) |
| 292 | return; |
| 293 | |
| 294 | /* input/irq */ |
| 295 | if (data->det_pin) { |
| 296 | at91_set_gpio_input(data->det_pin, 1); |
| 297 | at91_set_deglitch(data->det_pin, 1); |
| 298 | } |
| 299 | if (data->wp_pin) |
| 300 | at91_set_gpio_input(data->wp_pin, 1); |
| 301 | |
| 302 | /* CLK */ |
| 303 | at91_set_A_periph(AT91_PIN_PA27, 0); |
| 304 | |
| 305 | if (data->is_b) { |
| 306 | /* CMD */ |
| 307 | at91_set_B_periph(AT91_PIN_PA8, 0); |
| 308 | |
| 309 | /* DAT0, maybe DAT1..DAT3 */ |
| 310 | at91_set_B_periph(AT91_PIN_PA9, 0); |
| 311 | if (data->wire4) { |
| 312 | at91_set_B_periph(AT91_PIN_PA10, 0); |
| 313 | at91_set_B_periph(AT91_PIN_PA11, 0); |
| 314 | at91_set_B_periph(AT91_PIN_PA12, 0); |
| 315 | } |
| 316 | } else { |
| 317 | /* CMD */ |
| 318 | at91_set_A_periph(AT91_PIN_PA28, 0); |
| 319 | |
| 320 | /* DAT0, maybe DAT1..DAT3 */ |
| 321 | at91_set_A_periph(AT91_PIN_PA29, 0); |
| 322 | if (data->wire4) { |
| 323 | at91_set_B_periph(AT91_PIN_PB3, 0); |
| 324 | at91_set_B_periph(AT91_PIN_PB4, 0); |
| 325 | at91_set_B_periph(AT91_PIN_PB5, 0); |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | mmc_data = *data; |
| 330 | platform_device_register(&at91rm9200_mmc_device); |
| 331 | } |
| 332 | #else |
| 333 | void __init at91_add_device_mmc(struct at91_mmc_data *data) {} |
| 334 | #endif |
| 335 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 336 | |
Andrew Victor | cc2832a | 2006-04-02 17:15:48 +0100 | [diff] [blame] | 337 | /* -------------------------------------------------------------------- |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 338 | * NAND / SmartMedia |
| 339 | * -------------------------------------------------------------------- */ |
| 340 | |
| 341 | #if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) |
| 342 | static struct at91_nand_data nand_data; |
| 343 | |
| 344 | static struct resource at91_nand_resources[] = { |
| 345 | { |
| 346 | .start = AT91_SMARTMEDIA_BASE, |
| 347 | .end = AT91_SMARTMEDIA_BASE + SZ_8M - 1, |
| 348 | .flags = IORESOURCE_MEM, |
| 349 | } |
| 350 | }; |
| 351 | |
| 352 | static struct platform_device at91_nand_device = { |
| 353 | .name = "at91_nand", |
| 354 | .id = -1, |
| 355 | .dev = { |
| 356 | .platform_data = &nand_data, |
| 357 | }, |
| 358 | .resource = at91_nand_resources, |
| 359 | .num_resources = ARRAY_SIZE(at91_nand_resources), |
| 360 | }; |
| 361 | |
| 362 | void __init at91_add_device_nand(struct at91_nand_data *data) |
| 363 | { |
| 364 | if (!data) |
| 365 | return; |
| 366 | |
| 367 | /* enable pin */ |
| 368 | if (data->enable_pin) |
| 369 | at91_set_gpio_output(data->enable_pin, 1); |
| 370 | |
| 371 | /* ready/busy pin */ |
| 372 | if (data->rdy_pin) |
| 373 | at91_set_gpio_input(data->rdy_pin, 1); |
| 374 | |
| 375 | /* card detect pin */ |
| 376 | if (data->det_pin) |
| 377 | at91_set_gpio_input(data->det_pin, 1); |
| 378 | |
| 379 | at91_set_A_periph(AT91_PIN_PC1, 0); /* SMOE */ |
| 380 | at91_set_A_periph(AT91_PIN_PC3, 0); /* SMWE */ |
| 381 | |
| 382 | nand_data = *data; |
| 383 | platform_device_register(&at91_nand_device); |
| 384 | } |
| 385 | #else |
| 386 | void __init at91_add_device_nand(struct at91_nand_data *data) {} |
| 387 | #endif |
| 388 | |
| 389 | |
| 390 | /* -------------------------------------------------------------------- |
| 391 | * TWI (i2c) |
| 392 | * -------------------------------------------------------------------- */ |
| 393 | |
| 394 | #if defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) |
| 395 | static struct platform_device at91rm9200_twi_device = { |
| 396 | .name = "at91_i2c", |
| 397 | .id = -1, |
| 398 | .num_resources = 0, |
| 399 | }; |
| 400 | |
| 401 | void __init at91_add_device_i2c(void) |
| 402 | { |
| 403 | /* pins used for TWI interface */ |
| 404 | at91_set_A_periph(AT91_PIN_PA25, 0); /* TWD */ |
| 405 | at91_set_multi_drive(AT91_PIN_PA25, 1); |
| 406 | |
| 407 | at91_set_A_periph(AT91_PIN_PA26, 0); /* TWCK */ |
| 408 | at91_set_multi_drive(AT91_PIN_PA26, 1); |
| 409 | |
| 410 | platform_device_register(&at91rm9200_twi_device); |
| 411 | } |
| 412 | #else |
| 413 | void __init at91_add_device_i2c(void) {} |
| 414 | #endif |
| 415 | |
| 416 | |
| 417 | /* -------------------------------------------------------------------- |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 418 | * SPI |
| 419 | * -------------------------------------------------------------------- */ |
| 420 | |
| 421 | #if defined(CONFIG_SPI_AT91) || defined(CONFIG_SPI_AT91_MODULE) || defined(CONFIG_AT91_SPI) || defined(CONFIG_AT91_SPI_MODULE) |
| 422 | static u64 spi_dmamask = 0xffffffffUL; |
| 423 | |
| 424 | static struct resource at91_spi_resources[] = { |
| 425 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 426 | .start = AT91RM9200_BASE_SPI, |
| 427 | .end = AT91RM9200_BASE_SPI + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 428 | .flags = IORESOURCE_MEM, |
| 429 | }, |
| 430 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 431 | .start = AT91RM9200_ID_SPI, |
| 432 | .end = AT91RM9200_ID_SPI, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 433 | .flags = IORESOURCE_IRQ, |
| 434 | }, |
| 435 | }; |
| 436 | |
| 437 | static struct platform_device at91rm9200_spi_device = { |
| 438 | .name = "at91_spi", |
| 439 | .id = 0, |
| 440 | .dev = { |
| 441 | .dma_mask = &spi_dmamask, |
| 442 | .coherent_dma_mask = 0xffffffff, |
| 443 | }, |
| 444 | .resource = at91_spi_resources, |
| 445 | .num_resources = ARRAY_SIZE(at91_spi_resources), |
| 446 | }; |
| 447 | |
| 448 | static const unsigned at91_spi_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PA4, AT91_PIN_PA5, AT91_PIN_PA6 }; |
| 449 | |
| 450 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) |
| 451 | { |
| 452 | int i; |
| 453 | unsigned long cs_pin; |
| 454 | |
| 455 | at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */ |
| 456 | at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */ |
| 457 | at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */ |
| 458 | |
| 459 | /* Enable SPI chip-selects */ |
| 460 | for (i = 0; i < nr_devices; i++) { |
| 461 | if (devices[i].controller_data) |
| 462 | cs_pin = (unsigned long) devices[i].controller_data; |
| 463 | else |
| 464 | cs_pin = at91_spi_standard_cs[devices[i].chip_select]; |
| 465 | |
| 466 | #ifdef CONFIG_SPI_AT91_MANUAL_CS |
| 467 | at91_set_gpio_output(cs_pin, 1); |
| 468 | #else |
| 469 | at91_set_A_periph(cs_pin, 0); |
| 470 | #endif |
| 471 | |
| 472 | /* pass chip-select pin to driver */ |
| 473 | devices[i].controller_data = (void *) cs_pin; |
| 474 | } |
| 475 | |
| 476 | spi_register_board_info(devices, nr_devices); |
| 477 | at91_clock_associate("spi0_clk", &at91rm9200_spi_device.dev, "spi"); |
| 478 | platform_device_register(&at91rm9200_spi_device); |
| 479 | } |
| 480 | #else |
| 481 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} |
| 482 | #endif |
| 483 | |
| 484 | |
| 485 | /* -------------------------------------------------------------------- |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 486 | * RTC |
| 487 | * -------------------------------------------------------------------- */ |
| 488 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 489 | #if defined(CONFIG_RTC_DRV_AT91) || defined(CONFIG_RTC_DRV_AT91_MODULE) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 490 | static struct platform_device at91rm9200_rtc_device = { |
| 491 | .name = "at91_rtc", |
| 492 | .id = -1, |
| 493 | .num_resources = 0, |
| 494 | }; |
| 495 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 496 | static void __init at91_add_device_rtc(void) |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 497 | { |
| 498 | platform_device_register(&at91rm9200_rtc_device); |
| 499 | } |
| 500 | #else |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 501 | static void __init at91_add_device_rtc(void) {} |
| 502 | #endif |
| 503 | |
| 504 | |
| 505 | /* -------------------------------------------------------------------- |
| 506 | * Watchdog |
| 507 | * -------------------------------------------------------------------- */ |
| 508 | |
| 509 | #if defined(CONFIG_AT91_WATCHDOG) || defined(CONFIG_AT91_WATCHDOG_MODULE) |
| 510 | static struct platform_device at91rm9200_wdt_device = { |
| 511 | .name = "at91_wdt", |
| 512 | .id = -1, |
| 513 | .num_resources = 0, |
| 514 | }; |
| 515 | |
| 516 | static void __init at91_add_device_watchdog(void) |
| 517 | { |
| 518 | platform_device_register(&at91rm9200_wdt_device); |
| 519 | } |
| 520 | #else |
| 521 | static void __init at91_add_device_watchdog(void) {} |
Andrew Victor | 3267c07 | 2006-04-02 17:15:51 +0100 | [diff] [blame] | 522 | #endif |
| 523 | |
| 524 | |
| 525 | /* -------------------------------------------------------------------- |
Andrew Victor | cc2832a | 2006-04-02 17:15:48 +0100 | [diff] [blame] | 526 | * LEDs |
| 527 | * -------------------------------------------------------------------- */ |
| 528 | |
| 529 | #if defined(CONFIG_LEDS) |
| 530 | u8 at91_leds_cpu; |
| 531 | u8 at91_leds_timer; |
| 532 | |
| 533 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) |
| 534 | { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 535 | at91_leds_cpu = cpu_led; |
| 536 | at91_leds_timer = timer_led; |
Andrew Victor | cc2832a | 2006-04-02 17:15:48 +0100 | [diff] [blame] | 537 | } |
Andrew Victor | cc2832a | 2006-04-02 17:15:48 +0100 | [diff] [blame] | 538 | #else |
| 539 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} |
| 540 | #endif |
| 541 | |
| 542 | |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 543 | /* -------------------------------------------------------------------- |
| 544 | * UART |
| 545 | * -------------------------------------------------------------------- */ |
| 546 | |
Haavard Skinnemoen | 749c4e6 | 2006-10-04 16:02:02 +0200 | [diff] [blame] | 547 | #if defined(CONFIG_SERIAL_ATMEL) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 548 | static struct resource dbgu_resources[] = { |
| 549 | [0] = { |
| 550 | .start = AT91_VA_BASE_SYS + AT91_DBGU, |
| 551 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, |
| 552 | .flags = IORESOURCE_MEM, |
| 553 | }, |
| 554 | [1] = { |
| 555 | .start = AT91_ID_SYS, |
| 556 | .end = AT91_ID_SYS, |
| 557 | .flags = IORESOURCE_IRQ, |
| 558 | }, |
| 559 | }; |
| 560 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 561 | static struct atmel_uart_data dbgu_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 562 | .use_dma_tx = 0, |
| 563 | .use_dma_rx = 0, /* DBGU not capable of receive DMA */ |
Haavard Skinnemoen | 75d3521 | 2006-10-04 16:02:08 +0200 | [diff] [blame] | 564 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 565 | }; |
| 566 | |
| 567 | static struct platform_device at91rm9200_dbgu_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 568 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 569 | .id = 0, |
| 570 | .dev = { |
| 571 | .platform_data = &dbgu_data, |
| 572 | .coherent_dma_mask = 0xffffffff, |
| 573 | }, |
| 574 | .resource = dbgu_resources, |
| 575 | .num_resources = ARRAY_SIZE(dbgu_resources), |
| 576 | }; |
| 577 | |
| 578 | static inline void configure_dbgu_pins(void) |
| 579 | { |
| 580 | at91_set_A_periph(AT91_PIN_PA30, 0); /* DRXD */ |
| 581 | at91_set_A_periph(AT91_PIN_PA31, 1); /* DTXD */ |
| 582 | } |
| 583 | |
| 584 | static struct resource uart0_resources[] = { |
| 585 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 586 | .start = AT91RM9200_BASE_US0, |
| 587 | .end = AT91RM9200_BASE_US0 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 588 | .flags = IORESOURCE_MEM, |
| 589 | }, |
| 590 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 591 | .start = AT91RM9200_ID_US0, |
| 592 | .end = AT91RM9200_ID_US0, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 593 | .flags = IORESOURCE_IRQ, |
| 594 | }, |
| 595 | }; |
| 596 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 597 | static struct atmel_uart_data uart0_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 598 | .use_dma_tx = 1, |
| 599 | .use_dma_rx = 1, |
| 600 | }; |
| 601 | |
| 602 | static struct platform_device at91rm9200_uart0_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 603 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 604 | .id = 1, |
| 605 | .dev = { |
| 606 | .platform_data = &uart0_data, |
| 607 | .coherent_dma_mask = 0xffffffff, |
| 608 | }, |
| 609 | .resource = uart0_resources, |
| 610 | .num_resources = ARRAY_SIZE(uart0_resources), |
| 611 | }; |
| 612 | |
| 613 | static inline void configure_usart0_pins(void) |
| 614 | { |
| 615 | at91_set_A_periph(AT91_PIN_PA17, 1); /* TXD0 */ |
| 616 | at91_set_A_periph(AT91_PIN_PA18, 0); /* RXD0 */ |
| 617 | at91_set_A_periph(AT91_PIN_PA20, 0); /* CTS0 */ |
| 618 | |
| 619 | /* |
| 620 | * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. |
| 621 | * We need to drive the pin manually. Default is off (RTS is active low). |
| 622 | */ |
| 623 | at91_set_gpio_output(AT91_PIN_PA21, 1); |
| 624 | } |
| 625 | |
| 626 | static struct resource uart1_resources[] = { |
| 627 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 628 | .start = AT91RM9200_BASE_US1, |
| 629 | .end = AT91RM9200_BASE_US1 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 630 | .flags = IORESOURCE_MEM, |
| 631 | }, |
| 632 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 633 | .start = AT91RM9200_ID_US1, |
| 634 | .end = AT91RM9200_ID_US1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 635 | .flags = IORESOURCE_IRQ, |
| 636 | }, |
| 637 | }; |
| 638 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 639 | static struct atmel_uart_data uart1_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 640 | .use_dma_tx = 1, |
| 641 | .use_dma_rx = 1, |
| 642 | }; |
| 643 | |
| 644 | static struct platform_device at91rm9200_uart1_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 645 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 646 | .id = 2, |
| 647 | .dev = { |
| 648 | .platform_data = &uart1_data, |
| 649 | .coherent_dma_mask = 0xffffffff, |
| 650 | }, |
| 651 | .resource = uart1_resources, |
| 652 | .num_resources = ARRAY_SIZE(uart1_resources), |
| 653 | }; |
| 654 | |
| 655 | static inline void configure_usart1_pins(void) |
| 656 | { |
| 657 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RI1 */ |
| 658 | at91_set_A_periph(AT91_PIN_PB19, 0); /* DTR1 */ |
| 659 | at91_set_A_periph(AT91_PIN_PB20, 1); /* TXD1 */ |
| 660 | at91_set_A_periph(AT91_PIN_PB21, 0); /* RXD1 */ |
| 661 | at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD1 */ |
| 662 | at91_set_A_periph(AT91_PIN_PB24, 0); /* CTS1 */ |
| 663 | at91_set_A_periph(AT91_PIN_PB25, 0); /* DSR1 */ |
| 664 | at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS1 */ |
| 665 | } |
| 666 | |
| 667 | static struct resource uart2_resources[] = { |
| 668 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 669 | .start = AT91RM9200_BASE_US2, |
| 670 | .end = AT91RM9200_BASE_US2 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 671 | .flags = IORESOURCE_MEM, |
| 672 | }, |
| 673 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 674 | .start = AT91RM9200_ID_US2, |
| 675 | .end = AT91RM9200_ID_US2, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 676 | .flags = IORESOURCE_IRQ, |
| 677 | }, |
| 678 | }; |
| 679 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 680 | static struct atmel_uart_data uart2_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 681 | .use_dma_tx = 1, |
| 682 | .use_dma_rx = 1, |
| 683 | }; |
| 684 | |
| 685 | static struct platform_device at91rm9200_uart2_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 686 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 687 | .id = 3, |
| 688 | .dev = { |
| 689 | .platform_data = &uart2_data, |
| 690 | .coherent_dma_mask = 0xffffffff, |
| 691 | }, |
| 692 | .resource = uart2_resources, |
| 693 | .num_resources = ARRAY_SIZE(uart2_resources), |
| 694 | }; |
| 695 | |
| 696 | static inline void configure_usart2_pins(void) |
| 697 | { |
| 698 | at91_set_A_periph(AT91_PIN_PA22, 0); /* RXD2 */ |
| 699 | at91_set_A_periph(AT91_PIN_PA23, 1); /* TXD2 */ |
| 700 | } |
| 701 | |
| 702 | static struct resource uart3_resources[] = { |
| 703 | [0] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 704 | .start = AT91RM9200_BASE_US3, |
| 705 | .end = AT91RM9200_BASE_US3 + SZ_16K - 1, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 706 | .flags = IORESOURCE_MEM, |
| 707 | }, |
| 708 | [1] = { |
Andrew Victor | 7272991 | 2006-09-27 09:44:11 +0100 | [diff] [blame] | 709 | .start = AT91RM9200_ID_US3, |
| 710 | .end = AT91RM9200_ID_US3, |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 711 | .flags = IORESOURCE_IRQ, |
| 712 | }, |
| 713 | }; |
| 714 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 715 | static struct atmel_uart_data uart3_data = { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 716 | .use_dma_tx = 1, |
| 717 | .use_dma_rx = 1, |
| 718 | }; |
| 719 | |
| 720 | static struct platform_device at91rm9200_uart3_device = { |
Haavard Skinnemoen | 1e8ea80 | 2006-10-04 16:02:03 +0200 | [diff] [blame] | 721 | .name = "atmel_usart", |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 722 | .id = 4, |
| 723 | .dev = { |
| 724 | .platform_data = &uart3_data, |
| 725 | .coherent_dma_mask = 0xffffffff, |
| 726 | }, |
| 727 | .resource = uart3_resources, |
| 728 | .num_resources = ARRAY_SIZE(uart3_resources), |
| 729 | }; |
| 730 | |
| 731 | static inline void configure_usart3_pins(void) |
| 732 | { |
| 733 | at91_set_B_periph(AT91_PIN_PA5, 1); /* TXD3 */ |
| 734 | at91_set_B_periph(AT91_PIN_PA6, 0); /* RXD3 */ |
| 735 | } |
| 736 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 737 | struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
| 738 | struct platform_device *atmel_default_console_device; /* the serial console device */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 739 | |
| 740 | void __init at91_init_serial(struct at91_uart_config *config) |
| 741 | { |
| 742 | int i; |
| 743 | |
| 744 | /* Fill in list of supported UARTs */ |
| 745 | for (i = 0; i < config->nr_tty; i++) { |
| 746 | switch (config->tty_map[i]) { |
| 747 | case 0: |
| 748 | configure_usart0_pins(); |
| 749 | at91_uarts[i] = &at91rm9200_uart0_device; |
| 750 | at91_clock_associate("usart0_clk", &at91rm9200_uart0_device.dev, "usart"); |
| 751 | break; |
| 752 | case 1: |
| 753 | configure_usart1_pins(); |
| 754 | at91_uarts[i] = &at91rm9200_uart1_device; |
| 755 | at91_clock_associate("usart1_clk", &at91rm9200_uart1_device.dev, "usart"); |
| 756 | break; |
| 757 | case 2: |
| 758 | configure_usart2_pins(); |
| 759 | at91_uarts[i] = &at91rm9200_uart2_device; |
| 760 | at91_clock_associate("usart2_clk", &at91rm9200_uart2_device.dev, "usart"); |
| 761 | break; |
| 762 | case 3: |
| 763 | configure_usart3_pins(); |
| 764 | at91_uarts[i] = &at91rm9200_uart3_device; |
| 765 | at91_clock_associate("usart3_clk", &at91rm9200_uart3_device.dev, "usart"); |
| 766 | break; |
| 767 | case 4: |
| 768 | configure_dbgu_pins(); |
| 769 | at91_uarts[i] = &at91rm9200_dbgu_device; |
| 770 | at91_clock_associate("mck", &at91rm9200_dbgu_device.dev, "usart"); |
| 771 | break; |
| 772 | default: |
| 773 | continue; |
| 774 | } |
| 775 | at91_uarts[i]->id = i; /* update ID number to mapped ID */ |
| 776 | } |
| 777 | |
| 778 | /* Set serial console device */ |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 779 | if (config->console_tty < ATMEL_MAX_UART) |
| 780 | atmel_default_console_device = at91_uarts[config->console_tty]; |
| 781 | if (!atmel_default_console_device) |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 782 | printk(KERN_INFO "AT91: No default serial console defined.\n"); |
| 783 | } |
| 784 | |
| 785 | void __init at91_add_device_serial(void) |
| 786 | { |
| 787 | int i; |
| 788 | |
Haavard Skinnemoen | 73e2798 | 2006-10-04 16:02:04 +0200 | [diff] [blame] | 789 | for (i = 0; i < ATMEL_MAX_UART; i++) { |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 790 | if (at91_uarts[i]) |
| 791 | platform_device_register(at91_uarts[i]); |
| 792 | } |
| 793 | } |
| 794 | #else |
| 795 | void __init at91_init_serial(struct at91_uart_config *config) {} |
| 796 | void __init at91_add_device_serial(void) {} |
| 797 | #endif |
| 798 | |
| 799 | |
SAN People | 73a59c1 | 2006-01-09 17:05:41 +0000 | [diff] [blame] | 800 | /* -------------------------------------------------------------------- */ |
Andrew Victor | 2e83640 | 2006-06-19 16:31:55 +0100 | [diff] [blame] | 801 | |
| 802 | /* |
| 803 | * These devices are always present and don't need any board-specific |
| 804 | * setup. |
| 805 | */ |
| 806 | static int __init at91_add_standard_devices(void) |
| 807 | { |
| 808 | at91_add_device_rtc(); |
| 809 | at91_add_device_watchdog(); |
| 810 | return 0; |
| 811 | } |
| 812 | |
| 813 | arch_initcall(at91_add_standard_devices); |