Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 1 | /* |
| 2 | * On-Chip devices setup code for the AT91SAM9G45 family |
| 3 | * |
| 4 | * Copyright (C) 2009 Atmel Corporation. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | #include <asm/mach/arch.h> |
| 13 | #include <asm/mach/map.h> |
| 14 | |
| 15 | #include <linux/dma-mapping.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/i2c-gpio.h> |
| 18 | |
| 19 | #include <linux/fb.h> |
| 20 | #include <video/atmel_lcdc.h> |
| 21 | |
| 22 | #include <mach/board.h> |
| 23 | #include <mach/gpio.h> |
| 24 | #include <mach/at91sam9g45.h> |
| 25 | #include <mach/at91sam9g45_matrix.h> |
| 26 | #include <mach/at91sam9_smc.h> |
Nicolas Ferre | 40262b2 | 2009-07-24 11:43:01 +0100 | [diff] [blame] | 27 | #include <mach/at_hdmac.h> |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 28 | |
| 29 | #include "generic.h" |
| 30 | |
| 31 | |
| 32 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 40262b2 | 2009-07-24 11:43:01 +0100 | [diff] [blame] | 33 | * HDMAC - AHB DMA Controller |
| 34 | * -------------------------------------------------------------------- */ |
| 35 | |
| 36 | #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) |
| 37 | static u64 hdmac_dmamask = DMA_BIT_MASK(32); |
| 38 | |
| 39 | static struct at_dma_platform_data atdma_pdata = { |
| 40 | .nr_channels = 8, |
| 41 | }; |
| 42 | |
| 43 | static struct resource hdmac_resources[] = { |
| 44 | [0] = { |
| 45 | .start = AT91_BASE_SYS + AT91_DMA, |
| 46 | .end = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1, |
| 47 | .flags = IORESOURCE_MEM, |
| 48 | }, |
Nicolas Ferre | 8d2602e | 2010-08-20 16:44:33 +0200 | [diff] [blame^] | 49 | [1] = { |
Nicolas Ferre | 40262b2 | 2009-07-24 11:43:01 +0100 | [diff] [blame] | 50 | .start = AT91SAM9G45_ID_DMA, |
| 51 | .end = AT91SAM9G45_ID_DMA, |
| 52 | .flags = IORESOURCE_IRQ, |
| 53 | }, |
| 54 | }; |
| 55 | |
| 56 | static struct platform_device at_hdmac_device = { |
| 57 | .name = "at_hdmac", |
| 58 | .id = -1, |
| 59 | .dev = { |
| 60 | .dma_mask = &hdmac_dmamask, |
| 61 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 62 | .platform_data = &atdma_pdata, |
| 63 | }, |
| 64 | .resource = hdmac_resources, |
| 65 | .num_resources = ARRAY_SIZE(hdmac_resources), |
| 66 | }; |
| 67 | |
| 68 | void __init at91_add_device_hdmac(void) |
| 69 | { |
| 70 | dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); |
| 71 | dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask); |
| 72 | platform_device_register(&at_hdmac_device); |
| 73 | } |
| 74 | #else |
| 75 | void __init at91_add_device_hdmac(void) {} |
| 76 | #endif |
| 77 | |
| 78 | |
| 79 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 80 | * USB Host (OHCI) |
| 81 | * -------------------------------------------------------------------- */ |
| 82 | |
| 83 | #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) |
| 84 | static u64 ohci_dmamask = DMA_BIT_MASK(32); |
| 85 | static struct at91_usbh_data usbh_ohci_data; |
| 86 | |
| 87 | static struct resource usbh_ohci_resources[] = { |
| 88 | [0] = { |
| 89 | .start = AT91SAM9G45_OHCI_BASE, |
| 90 | .end = AT91SAM9G45_OHCI_BASE + SZ_1M - 1, |
| 91 | .flags = IORESOURCE_MEM, |
| 92 | }, |
| 93 | [1] = { |
| 94 | .start = AT91SAM9G45_ID_UHPHS, |
| 95 | .end = AT91SAM9G45_ID_UHPHS, |
| 96 | .flags = IORESOURCE_IRQ, |
| 97 | }, |
| 98 | }; |
| 99 | |
| 100 | static struct platform_device at91_usbh_ohci_device = { |
| 101 | .name = "at91_ohci", |
| 102 | .id = -1, |
| 103 | .dev = { |
| 104 | .dma_mask = &ohci_dmamask, |
| 105 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 106 | .platform_data = &usbh_ohci_data, |
| 107 | }, |
| 108 | .resource = usbh_ohci_resources, |
| 109 | .num_resources = ARRAY_SIZE(usbh_ohci_resources), |
| 110 | }; |
| 111 | |
| 112 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) |
| 113 | { |
| 114 | int i; |
| 115 | |
| 116 | if (!data) |
| 117 | return; |
| 118 | |
| 119 | /* Enable VBus control for UHP ports */ |
| 120 | for (i = 0; i < data->ports; i++) { |
| 121 | if (data->vbus_pin[i]) |
| 122 | at91_set_gpio_output(data->vbus_pin[i], 0); |
| 123 | } |
| 124 | |
| 125 | usbh_ohci_data = *data; |
| 126 | platform_device_register(&at91_usbh_ohci_device); |
| 127 | } |
| 128 | #else |
| 129 | void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {} |
| 130 | #endif |
| 131 | |
| 132 | |
| 133 | /* -------------------------------------------------------------------- |
Nicolas Ferre | f51f78c | 2009-09-25 12:11:32 +0100 | [diff] [blame] | 134 | * USB Host HS (EHCI) |
| 135 | * Needs an OHCI host for low and full speed management |
| 136 | * -------------------------------------------------------------------- */ |
| 137 | |
| 138 | #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) |
| 139 | static u64 ehci_dmamask = DMA_BIT_MASK(32); |
| 140 | static struct at91_usbh_data usbh_ehci_data; |
| 141 | |
| 142 | static struct resource usbh_ehci_resources[] = { |
| 143 | [0] = { |
| 144 | .start = AT91SAM9G45_EHCI_BASE, |
| 145 | .end = AT91SAM9G45_EHCI_BASE + SZ_1M - 1, |
| 146 | .flags = IORESOURCE_MEM, |
| 147 | }, |
| 148 | [1] = { |
| 149 | .start = AT91SAM9G45_ID_UHPHS, |
| 150 | .end = AT91SAM9G45_ID_UHPHS, |
| 151 | .flags = IORESOURCE_IRQ, |
| 152 | }, |
| 153 | }; |
| 154 | |
| 155 | static struct platform_device at91_usbh_ehci_device = { |
| 156 | .name = "atmel-ehci", |
| 157 | .id = -1, |
| 158 | .dev = { |
| 159 | .dma_mask = &ehci_dmamask, |
| 160 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 161 | .platform_data = &usbh_ehci_data, |
| 162 | }, |
| 163 | .resource = usbh_ehci_resources, |
| 164 | .num_resources = ARRAY_SIZE(usbh_ehci_resources), |
| 165 | }; |
| 166 | |
| 167 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) |
| 168 | { |
| 169 | int i; |
| 170 | |
| 171 | if (!data) |
| 172 | return; |
| 173 | |
| 174 | /* Enable VBus control for UHP ports */ |
| 175 | for (i = 0; i < data->ports; i++) { |
| 176 | if (data->vbus_pin[i]) |
| 177 | at91_set_gpio_output(data->vbus_pin[i], 0); |
| 178 | } |
| 179 | |
| 180 | usbh_ehci_data = *data; |
| 181 | at91_clock_associate("uhphs_clk", &at91_usbh_ehci_device.dev, "ehci_clk"); |
| 182 | platform_device_register(&at91_usbh_ehci_device); |
| 183 | } |
| 184 | #else |
| 185 | void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {} |
| 186 | #endif |
| 187 | |
| 188 | |
| 189 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 190 | * USB HS Device (Gadget) |
| 191 | * -------------------------------------------------------------------- */ |
| 192 | |
| 193 | #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) |
| 194 | static struct resource usba_udc_resources[] = { |
| 195 | [0] = { |
| 196 | .start = AT91SAM9G45_UDPHS_FIFO, |
| 197 | .end = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1, |
| 198 | .flags = IORESOURCE_MEM, |
| 199 | }, |
| 200 | [1] = { |
| 201 | .start = AT91SAM9G45_BASE_UDPHS, |
| 202 | .end = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1, |
| 203 | .flags = IORESOURCE_MEM, |
| 204 | }, |
| 205 | [2] = { |
| 206 | .start = AT91SAM9G45_ID_UDPHS, |
| 207 | .end = AT91SAM9G45_ID_UDPHS, |
| 208 | .flags = IORESOURCE_IRQ, |
| 209 | }, |
| 210 | }; |
| 211 | |
| 212 | #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ |
| 213 | [idx] = { \ |
| 214 | .name = nam, \ |
| 215 | .index = idx, \ |
| 216 | .fifo_size = maxpkt, \ |
| 217 | .nr_banks = maxbk, \ |
| 218 | .can_dma = dma, \ |
| 219 | .can_isoc = isoc, \ |
| 220 | } |
| 221 | |
| 222 | static struct usba_ep_data usba_udc_ep[] __initdata = { |
| 223 | EP("ep0", 0, 64, 1, 0, 0), |
| 224 | EP("ep1", 1, 1024, 2, 1, 1), |
| 225 | EP("ep2", 2, 1024, 2, 1, 1), |
| 226 | EP("ep3", 3, 1024, 3, 1, 0), |
| 227 | EP("ep4", 4, 1024, 3, 1, 0), |
| 228 | EP("ep5", 5, 1024, 3, 1, 1), |
| 229 | EP("ep6", 6, 1024, 3, 1, 1), |
| 230 | }; |
| 231 | |
| 232 | #undef EP |
| 233 | |
| 234 | /* |
| 235 | * pdata doesn't have room for any endpoints, so we need to |
| 236 | * append room for the ones we need right after it. |
| 237 | */ |
| 238 | static struct { |
| 239 | struct usba_platform_data pdata; |
| 240 | struct usba_ep_data ep[7]; |
| 241 | } usba_udc_data; |
| 242 | |
| 243 | static struct platform_device at91_usba_udc_device = { |
| 244 | .name = "atmel_usba_udc", |
| 245 | .id = -1, |
| 246 | .dev = { |
| 247 | .platform_data = &usba_udc_data.pdata, |
| 248 | }, |
| 249 | .resource = usba_udc_resources, |
| 250 | .num_resources = ARRAY_SIZE(usba_udc_resources), |
| 251 | }; |
| 252 | |
| 253 | void __init at91_add_device_usba(struct usba_platform_data *data) |
| 254 | { |
| 255 | usba_udc_data.pdata.vbus_pin = -EINVAL; |
| 256 | usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); |
| 257 | memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; |
| 258 | |
| 259 | if (data && data->vbus_pin > 0) { |
| 260 | at91_set_gpio_input(data->vbus_pin, 0); |
| 261 | at91_set_deglitch(data->vbus_pin, 1); |
| 262 | usba_udc_data.pdata.vbus_pin = data->vbus_pin; |
| 263 | } |
| 264 | |
| 265 | /* Pullup pin is handled internally by USB device peripheral */ |
| 266 | |
| 267 | /* Clocks */ |
| 268 | at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); |
| 269 | at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); |
| 270 | |
| 271 | platform_device_register(&at91_usba_udc_device); |
| 272 | } |
| 273 | #else |
| 274 | void __init at91_add_device_usba(struct usba_platform_data *data) {} |
| 275 | #endif |
| 276 | |
| 277 | |
| 278 | /* -------------------------------------------------------------------- |
| 279 | * Ethernet |
| 280 | * -------------------------------------------------------------------- */ |
| 281 | |
| 282 | #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) |
| 283 | static u64 eth_dmamask = DMA_BIT_MASK(32); |
| 284 | static struct at91_eth_data eth_data; |
| 285 | |
| 286 | static struct resource eth_resources[] = { |
| 287 | [0] = { |
| 288 | .start = AT91SAM9G45_BASE_EMAC, |
| 289 | .end = AT91SAM9G45_BASE_EMAC + SZ_16K - 1, |
| 290 | .flags = IORESOURCE_MEM, |
| 291 | }, |
| 292 | [1] = { |
| 293 | .start = AT91SAM9G45_ID_EMAC, |
| 294 | .end = AT91SAM9G45_ID_EMAC, |
| 295 | .flags = IORESOURCE_IRQ, |
| 296 | }, |
| 297 | }; |
| 298 | |
| 299 | static struct platform_device at91sam9g45_eth_device = { |
| 300 | .name = "macb", |
| 301 | .id = -1, |
| 302 | .dev = { |
| 303 | .dma_mask = ð_dmamask, |
| 304 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 305 | .platform_data = ð_data, |
| 306 | }, |
| 307 | .resource = eth_resources, |
| 308 | .num_resources = ARRAY_SIZE(eth_resources), |
| 309 | }; |
| 310 | |
| 311 | void __init at91_add_device_eth(struct at91_eth_data *data) |
| 312 | { |
| 313 | if (!data) |
| 314 | return; |
| 315 | |
| 316 | if (data->phy_irq_pin) { |
| 317 | at91_set_gpio_input(data->phy_irq_pin, 0); |
| 318 | at91_set_deglitch(data->phy_irq_pin, 1); |
| 319 | } |
| 320 | |
| 321 | /* Pins used for MII and RMII */ |
| 322 | at91_set_A_periph(AT91_PIN_PA17, 0); /* ETXCK_EREFCK */ |
| 323 | at91_set_A_periph(AT91_PIN_PA15, 0); /* ERXDV */ |
| 324 | at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ |
| 325 | at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ |
| 326 | at91_set_A_periph(AT91_PIN_PA16, 0); /* ERXER */ |
| 327 | at91_set_A_periph(AT91_PIN_PA14, 0); /* ETXEN */ |
| 328 | at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX0 */ |
| 329 | at91_set_A_periph(AT91_PIN_PA11, 0); /* ETX1 */ |
| 330 | at91_set_A_periph(AT91_PIN_PA19, 0); /* EMDIO */ |
| 331 | at91_set_A_periph(AT91_PIN_PA18, 0); /* EMDC */ |
| 332 | |
| 333 | if (!data->is_rmii) { |
| 334 | at91_set_B_periph(AT91_PIN_PA29, 0); /* ECRS */ |
| 335 | at91_set_B_periph(AT91_PIN_PA30, 0); /* ECOL */ |
| 336 | at91_set_B_periph(AT91_PIN_PA8, 0); /* ERX2 */ |
| 337 | at91_set_B_periph(AT91_PIN_PA9, 0); /* ERX3 */ |
| 338 | at91_set_B_periph(AT91_PIN_PA28, 0); /* ERXCK */ |
| 339 | at91_set_B_periph(AT91_PIN_PA6, 0); /* ETX2 */ |
| 340 | at91_set_B_periph(AT91_PIN_PA7, 0); /* ETX3 */ |
| 341 | at91_set_B_periph(AT91_PIN_PA27, 0); /* ETXER */ |
| 342 | } |
| 343 | |
| 344 | eth_data = *data; |
| 345 | platform_device_register(&at91sam9g45_eth_device); |
| 346 | } |
| 347 | #else |
| 348 | void __init at91_add_device_eth(struct at91_eth_data *data) {} |
| 349 | #endif |
| 350 | |
| 351 | |
| 352 | /* -------------------------------------------------------------------- |
| 353 | * NAND / SmartMedia |
| 354 | * -------------------------------------------------------------------- */ |
| 355 | |
| 356 | #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
| 357 | static struct atmel_nand_data nand_data; |
| 358 | |
| 359 | #define NAND_BASE AT91_CHIPSELECT_3 |
| 360 | |
| 361 | static struct resource nand_resources[] = { |
| 362 | [0] = { |
| 363 | .start = NAND_BASE, |
| 364 | .end = NAND_BASE + SZ_256M - 1, |
| 365 | .flags = IORESOURCE_MEM, |
| 366 | }, |
| 367 | [1] = { |
| 368 | .start = AT91_BASE_SYS + AT91_ECC, |
| 369 | .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, |
| 370 | .flags = IORESOURCE_MEM, |
| 371 | } |
| 372 | }; |
| 373 | |
| 374 | static struct platform_device at91sam9g45_nand_device = { |
| 375 | .name = "atmel_nand", |
| 376 | .id = -1, |
| 377 | .dev = { |
| 378 | .platform_data = &nand_data, |
| 379 | }, |
| 380 | .resource = nand_resources, |
| 381 | .num_resources = ARRAY_SIZE(nand_resources), |
| 382 | }; |
| 383 | |
| 384 | void __init at91_add_device_nand(struct atmel_nand_data *data) |
| 385 | { |
| 386 | unsigned long csa; |
| 387 | |
| 388 | if (!data) |
| 389 | return; |
| 390 | |
| 391 | csa = at91_sys_read(AT91_MATRIX_EBICSA); |
| 392 | at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA); |
| 393 | |
| 394 | /* enable pin */ |
| 395 | if (data->enable_pin) |
| 396 | at91_set_gpio_output(data->enable_pin, 1); |
| 397 | |
| 398 | /* ready/busy pin */ |
| 399 | if (data->rdy_pin) |
| 400 | at91_set_gpio_input(data->rdy_pin, 1); |
| 401 | |
| 402 | /* card detect pin */ |
| 403 | if (data->det_pin) |
| 404 | at91_set_gpio_input(data->det_pin, 1); |
| 405 | |
| 406 | nand_data = *data; |
| 407 | platform_device_register(&at91sam9g45_nand_device); |
| 408 | } |
| 409 | #else |
| 410 | void __init at91_add_device_nand(struct atmel_nand_data *data) {} |
| 411 | #endif |
| 412 | |
| 413 | |
| 414 | /* -------------------------------------------------------------------- |
| 415 | * TWI (i2c) |
| 416 | * -------------------------------------------------------------------- */ |
| 417 | |
| 418 | /* |
| 419 | * Prefer the GPIO code since the TWI controller isn't robust |
| 420 | * (gets overruns and underruns under load) and can only issue |
| 421 | * repeated STARTs in one scenario (the driver doesn't yet handle them). |
| 422 | */ |
| 423 | #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) |
| 424 | static struct i2c_gpio_platform_data pdata_i2c0 = { |
| 425 | .sda_pin = AT91_PIN_PA20, |
| 426 | .sda_is_open_drain = 1, |
| 427 | .scl_pin = AT91_PIN_PA21, |
| 428 | .scl_is_open_drain = 1, |
| 429 | .udelay = 2, /* ~100 kHz */ |
| 430 | }; |
| 431 | |
| 432 | static struct platform_device at91sam9g45_twi0_device = { |
| 433 | .name = "i2c-gpio", |
| 434 | .id = 0, |
| 435 | .dev.platform_data = &pdata_i2c0, |
| 436 | }; |
| 437 | |
| 438 | static struct i2c_gpio_platform_data pdata_i2c1 = { |
| 439 | .sda_pin = AT91_PIN_PB10, |
| 440 | .sda_is_open_drain = 1, |
| 441 | .scl_pin = AT91_PIN_PB11, |
| 442 | .scl_is_open_drain = 1, |
| 443 | .udelay = 2, /* ~100 kHz */ |
| 444 | }; |
| 445 | |
| 446 | static struct platform_device at91sam9g45_twi1_device = { |
| 447 | .name = "i2c-gpio", |
| 448 | .id = 1, |
| 449 | .dev.platform_data = &pdata_i2c1, |
| 450 | }; |
| 451 | |
| 452 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) |
| 453 | { |
| 454 | i2c_register_board_info(i2c_id, devices, nr_devices); |
| 455 | |
| 456 | if (i2c_id == 0) { |
| 457 | at91_set_GPIO_periph(AT91_PIN_PA20, 1); /* TWD (SDA) */ |
| 458 | at91_set_multi_drive(AT91_PIN_PA20, 1); |
| 459 | |
| 460 | at91_set_GPIO_periph(AT91_PIN_PA21, 1); /* TWCK (SCL) */ |
| 461 | at91_set_multi_drive(AT91_PIN_PA21, 1); |
| 462 | |
| 463 | platform_device_register(&at91sam9g45_twi0_device); |
| 464 | } else { |
| 465 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* TWD (SDA) */ |
| 466 | at91_set_multi_drive(AT91_PIN_PB10, 1); |
| 467 | |
| 468 | at91_set_GPIO_periph(AT91_PIN_PB11, 1); /* TWCK (SCL) */ |
| 469 | at91_set_multi_drive(AT91_PIN_PB11, 1); |
| 470 | |
| 471 | platform_device_register(&at91sam9g45_twi1_device); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) |
| 476 | static struct resource twi0_resources[] = { |
| 477 | [0] = { |
| 478 | .start = AT91SAM9G45_BASE_TWI0, |
| 479 | .end = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1, |
| 480 | .flags = IORESOURCE_MEM, |
| 481 | }, |
| 482 | [1] = { |
| 483 | .start = AT91SAM9G45_ID_TWI0, |
| 484 | .end = AT91SAM9G45_ID_TWI0, |
| 485 | .flags = IORESOURCE_IRQ, |
| 486 | }, |
| 487 | }; |
| 488 | |
| 489 | static struct platform_device at91sam9g45_twi0_device = { |
| 490 | .name = "at91_i2c", |
| 491 | .id = 0, |
| 492 | .resource = twi0_resources, |
| 493 | .num_resources = ARRAY_SIZE(twi0_resources), |
| 494 | }; |
| 495 | |
| 496 | static struct resource twi1_resources[] = { |
| 497 | [0] = { |
| 498 | .start = AT91SAM9G45_BASE_TWI1, |
| 499 | .end = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1, |
| 500 | .flags = IORESOURCE_MEM, |
| 501 | }, |
| 502 | [1] = { |
| 503 | .start = AT91SAM9G45_ID_TWI1, |
| 504 | .end = AT91SAM9G45_ID_TWI1, |
| 505 | .flags = IORESOURCE_IRQ, |
| 506 | }, |
| 507 | }; |
| 508 | |
| 509 | static struct platform_device at91sam9g45_twi1_device = { |
| 510 | .name = "at91_i2c", |
| 511 | .id = 1, |
| 512 | .resource = twi1_resources, |
| 513 | .num_resources = ARRAY_SIZE(twi1_resources), |
| 514 | }; |
| 515 | |
| 516 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) |
| 517 | { |
| 518 | i2c_register_board_info(i2c_id, devices, nr_devices); |
| 519 | |
| 520 | /* pins used for TWI interface */ |
| 521 | if (i2c_id == 0) { |
| 522 | at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */ |
| 523 | at91_set_multi_drive(AT91_PIN_PA20, 1); |
| 524 | |
| 525 | at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */ |
| 526 | at91_set_multi_drive(AT91_PIN_PA21, 1); |
| 527 | |
| 528 | platform_device_register(&at91sam9g45_twi0_device); |
| 529 | } else { |
| 530 | at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */ |
| 531 | at91_set_multi_drive(AT91_PIN_PB10, 1); |
| 532 | |
| 533 | at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */ |
| 534 | at91_set_multi_drive(AT91_PIN_PB11, 1); |
| 535 | |
| 536 | platform_device_register(&at91sam9g45_twi1_device); |
| 537 | } |
| 538 | } |
| 539 | #else |
| 540 | void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {} |
| 541 | #endif |
| 542 | |
| 543 | |
| 544 | /* -------------------------------------------------------------------- |
| 545 | * SPI |
| 546 | * -------------------------------------------------------------------- */ |
| 547 | |
| 548 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) |
| 549 | static u64 spi_dmamask = DMA_BIT_MASK(32); |
| 550 | |
| 551 | static struct resource spi0_resources[] = { |
| 552 | [0] = { |
| 553 | .start = AT91SAM9G45_BASE_SPI0, |
| 554 | .end = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1, |
| 555 | .flags = IORESOURCE_MEM, |
| 556 | }, |
| 557 | [1] = { |
| 558 | .start = AT91SAM9G45_ID_SPI0, |
| 559 | .end = AT91SAM9G45_ID_SPI0, |
| 560 | .flags = IORESOURCE_IRQ, |
| 561 | }, |
| 562 | }; |
| 563 | |
| 564 | static struct platform_device at91sam9g45_spi0_device = { |
| 565 | .name = "atmel_spi", |
| 566 | .id = 0, |
| 567 | .dev = { |
| 568 | .dma_mask = &spi_dmamask, |
| 569 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 570 | }, |
| 571 | .resource = spi0_resources, |
| 572 | .num_resources = ARRAY_SIZE(spi0_resources), |
| 573 | }; |
| 574 | |
| 575 | static const unsigned spi0_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 }; |
| 576 | |
| 577 | static struct resource spi1_resources[] = { |
| 578 | [0] = { |
| 579 | .start = AT91SAM9G45_BASE_SPI1, |
| 580 | .end = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1, |
| 581 | .flags = IORESOURCE_MEM, |
| 582 | }, |
| 583 | [1] = { |
| 584 | .start = AT91SAM9G45_ID_SPI1, |
| 585 | .end = AT91SAM9G45_ID_SPI1, |
| 586 | .flags = IORESOURCE_IRQ, |
| 587 | }, |
| 588 | }; |
| 589 | |
| 590 | static struct platform_device at91sam9g45_spi1_device = { |
| 591 | .name = "atmel_spi", |
| 592 | .id = 1, |
| 593 | .dev = { |
| 594 | .dma_mask = &spi_dmamask, |
| 595 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 596 | }, |
| 597 | .resource = spi1_resources, |
| 598 | .num_resources = ARRAY_SIZE(spi1_resources), |
| 599 | }; |
| 600 | |
| 601 | static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 }; |
| 602 | |
| 603 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) |
| 604 | { |
| 605 | int i; |
| 606 | unsigned long cs_pin; |
| 607 | short enable_spi0 = 0; |
| 608 | short enable_spi1 = 0; |
| 609 | |
| 610 | /* Choose SPI chip-selects */ |
| 611 | for (i = 0; i < nr_devices; i++) { |
| 612 | if (devices[i].controller_data) |
| 613 | cs_pin = (unsigned long) devices[i].controller_data; |
| 614 | else if (devices[i].bus_num == 0) |
| 615 | cs_pin = spi0_standard_cs[devices[i].chip_select]; |
| 616 | else |
| 617 | cs_pin = spi1_standard_cs[devices[i].chip_select]; |
| 618 | |
| 619 | if (devices[i].bus_num == 0) |
| 620 | enable_spi0 = 1; |
| 621 | else |
| 622 | enable_spi1 = 1; |
| 623 | |
| 624 | /* enable chip-select pin */ |
| 625 | at91_set_gpio_output(cs_pin, 1); |
| 626 | |
| 627 | /* pass chip-select pin to driver */ |
| 628 | devices[i].controller_data = (void *) cs_pin; |
| 629 | } |
| 630 | |
| 631 | spi_register_board_info(devices, nr_devices); |
| 632 | |
| 633 | /* Configure SPI bus(es) */ |
| 634 | if (enable_spi0) { |
| 635 | at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */ |
| 636 | at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */ |
| 637 | at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */ |
| 638 | |
| 639 | at91_clock_associate("spi0_clk", &at91sam9g45_spi0_device.dev, "spi_clk"); |
| 640 | platform_device_register(&at91sam9g45_spi0_device); |
| 641 | } |
| 642 | if (enable_spi1) { |
| 643 | at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */ |
| 644 | at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */ |
| 645 | at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */ |
| 646 | |
| 647 | at91_clock_associate("spi1_clk", &at91sam9g45_spi1_device.dev, "spi_clk"); |
| 648 | platform_device_register(&at91sam9g45_spi1_device); |
| 649 | } |
| 650 | } |
| 651 | #else |
| 652 | void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} |
| 653 | #endif |
| 654 | |
| 655 | |
| 656 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 378ac65 | 2009-09-18 16:14:22 +0100 | [diff] [blame] | 657 | * AC97 |
| 658 | * -------------------------------------------------------------------- */ |
| 659 | |
| 660 | #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE) |
| 661 | static u64 ac97_dmamask = DMA_BIT_MASK(32); |
| 662 | static struct ac97c_platform_data ac97_data; |
| 663 | |
| 664 | static struct resource ac97_resources[] = { |
| 665 | [0] = { |
| 666 | .start = AT91SAM9G45_BASE_AC97C, |
| 667 | .end = AT91SAM9G45_BASE_AC97C + SZ_16K - 1, |
| 668 | .flags = IORESOURCE_MEM, |
| 669 | }, |
| 670 | [1] = { |
| 671 | .start = AT91SAM9G45_ID_AC97C, |
| 672 | .end = AT91SAM9G45_ID_AC97C, |
| 673 | .flags = IORESOURCE_IRQ, |
| 674 | }, |
| 675 | }; |
| 676 | |
| 677 | static struct platform_device at91sam9g45_ac97_device = { |
| 678 | .name = "atmel_ac97c", |
| 679 | .id = 0, |
| 680 | .dev = { |
| 681 | .dma_mask = &ac97_dmamask, |
| 682 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 683 | .platform_data = &ac97_data, |
| 684 | }, |
| 685 | .resource = ac97_resources, |
| 686 | .num_resources = ARRAY_SIZE(ac97_resources), |
| 687 | }; |
| 688 | |
| 689 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) |
| 690 | { |
| 691 | if (!data) |
| 692 | return; |
| 693 | |
| 694 | at91_set_A_periph(AT91_PIN_PD8, 0); /* AC97FS */ |
| 695 | at91_set_A_periph(AT91_PIN_PD9, 0); /* AC97CK */ |
| 696 | at91_set_A_periph(AT91_PIN_PD7, 0); /* AC97TX */ |
| 697 | at91_set_A_periph(AT91_PIN_PD6, 0); /* AC97RX */ |
| 698 | |
| 699 | /* reset */ |
| 700 | if (data->reset_pin) |
| 701 | at91_set_gpio_output(data->reset_pin, 0); |
| 702 | |
| 703 | ac97_data = *data; |
| 704 | platform_device_register(&at91sam9g45_ac97_device); |
| 705 | } |
| 706 | #else |
| 707 | void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} |
| 708 | #endif |
| 709 | |
| 710 | |
| 711 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 712 | * LCD Controller |
| 713 | * -------------------------------------------------------------------- */ |
| 714 | |
| 715 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
| 716 | static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
| 717 | static struct atmel_lcdfb_info lcdc_data; |
| 718 | |
| 719 | static struct resource lcdc_resources[] = { |
| 720 | [0] = { |
| 721 | .start = AT91SAM9G45_LCDC_BASE, |
| 722 | .end = AT91SAM9G45_LCDC_BASE + SZ_4K - 1, |
| 723 | .flags = IORESOURCE_MEM, |
| 724 | }, |
| 725 | [1] = { |
| 726 | .start = AT91SAM9G45_ID_LCDC, |
| 727 | .end = AT91SAM9G45_ID_LCDC, |
| 728 | .flags = IORESOURCE_IRQ, |
| 729 | }, |
| 730 | }; |
| 731 | |
| 732 | static struct platform_device at91_lcdc_device = { |
| 733 | .name = "atmel_lcdfb", |
| 734 | .id = 0, |
| 735 | .dev = { |
| 736 | .dma_mask = &lcdc_dmamask, |
| 737 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 738 | .platform_data = &lcdc_data, |
| 739 | }, |
| 740 | .resource = lcdc_resources, |
| 741 | .num_resources = ARRAY_SIZE(lcdc_resources), |
| 742 | }; |
| 743 | |
| 744 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) |
| 745 | { |
| 746 | if (!data) |
| 747 | return; |
| 748 | |
| 749 | at91_set_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ |
| 750 | |
| 751 | at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ |
| 752 | at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ |
| 753 | at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ |
| 754 | at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ |
| 755 | at91_set_A_periph(AT91_PIN_PE6, 0); /* LCDDEN */ |
| 756 | at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ |
| 757 | at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ |
| 758 | at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ |
| 759 | at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ |
| 760 | at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ |
| 761 | at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ |
| 762 | at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ |
| 763 | at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ |
| 764 | at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ |
| 765 | at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ |
| 766 | at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ |
| 767 | at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ |
| 768 | at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ |
| 769 | at91_set_A_periph(AT91_PIN_PE20, 0); /* LCDD13 */ |
| 770 | at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ |
| 771 | at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ |
| 772 | at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ |
| 773 | at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ |
| 774 | at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ |
| 775 | at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ |
| 776 | at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ |
| 777 | at91_set_A_periph(AT91_PIN_PE28, 0); /* LCDD21 */ |
| 778 | at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ |
| 779 | at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ |
| 780 | |
| 781 | lcdc_data = *data; |
| 782 | platform_device_register(&at91_lcdc_device); |
| 783 | } |
| 784 | #else |
| 785 | void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} |
| 786 | #endif |
| 787 | |
| 788 | |
| 789 | /* -------------------------------------------------------------------- |
| 790 | * Timer/Counter block |
| 791 | * -------------------------------------------------------------------- */ |
| 792 | |
| 793 | #ifdef CONFIG_ATMEL_TCLIB |
| 794 | static struct resource tcb0_resources[] = { |
| 795 | [0] = { |
| 796 | .start = AT91SAM9G45_BASE_TCB0, |
| 797 | .end = AT91SAM9G45_BASE_TCB0 + SZ_16K - 1, |
| 798 | .flags = IORESOURCE_MEM, |
| 799 | }, |
| 800 | [1] = { |
| 801 | .start = AT91SAM9G45_ID_TCB, |
| 802 | .end = AT91SAM9G45_ID_TCB, |
| 803 | .flags = IORESOURCE_IRQ, |
| 804 | }, |
| 805 | }; |
| 806 | |
| 807 | static struct platform_device at91sam9g45_tcb0_device = { |
| 808 | .name = "atmel_tcb", |
| 809 | .id = 0, |
| 810 | .resource = tcb0_resources, |
| 811 | .num_resources = ARRAY_SIZE(tcb0_resources), |
| 812 | }; |
| 813 | |
| 814 | /* TCB1 begins with TC3 */ |
| 815 | static struct resource tcb1_resources[] = { |
| 816 | [0] = { |
| 817 | .start = AT91SAM9G45_BASE_TCB1, |
| 818 | .end = AT91SAM9G45_BASE_TCB1 + SZ_16K - 1, |
| 819 | .flags = IORESOURCE_MEM, |
| 820 | }, |
| 821 | [1] = { |
| 822 | .start = AT91SAM9G45_ID_TCB, |
| 823 | .end = AT91SAM9G45_ID_TCB, |
| 824 | .flags = IORESOURCE_IRQ, |
| 825 | }, |
| 826 | }; |
| 827 | |
| 828 | static struct platform_device at91sam9g45_tcb1_device = { |
| 829 | .name = "atmel_tcb", |
| 830 | .id = 1, |
| 831 | .resource = tcb1_resources, |
| 832 | .num_resources = ARRAY_SIZE(tcb1_resources), |
| 833 | }; |
| 834 | |
| 835 | static void __init at91_add_device_tc(void) |
| 836 | { |
| 837 | /* this chip has one clock and irq for all six TC channels */ |
| 838 | at91_clock_associate("tcb_clk", &at91sam9g45_tcb0_device.dev, "t0_clk"); |
| 839 | platform_device_register(&at91sam9g45_tcb0_device); |
| 840 | at91_clock_associate("tcb_clk", &at91sam9g45_tcb1_device.dev, "t0_clk"); |
| 841 | platform_device_register(&at91sam9g45_tcb1_device); |
| 842 | } |
| 843 | #else |
| 844 | static void __init at91_add_device_tc(void) { } |
| 845 | #endif |
| 846 | |
| 847 | |
| 848 | /* -------------------------------------------------------------------- |
| 849 | * RTC |
| 850 | * -------------------------------------------------------------------- */ |
| 851 | |
| 852 | #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) |
| 853 | static struct platform_device at91sam9g45_rtc_device = { |
| 854 | .name = "at91_rtc", |
| 855 | .id = -1, |
| 856 | .num_resources = 0, |
| 857 | }; |
| 858 | |
| 859 | static void __init at91_add_device_rtc(void) |
| 860 | { |
| 861 | platform_device_register(&at91sam9g45_rtc_device); |
| 862 | } |
| 863 | #else |
| 864 | static void __init at91_add_device_rtc(void) {} |
| 865 | #endif |
| 866 | |
| 867 | |
| 868 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 985f37f | 2009-11-19 09:32:52 -0800 | [diff] [blame] | 869 | * Touchscreen |
| 870 | * -------------------------------------------------------------------- */ |
| 871 | |
| 872 | #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) |
| 873 | static u64 tsadcc_dmamask = DMA_BIT_MASK(32); |
| 874 | static struct at91_tsadcc_data tsadcc_data; |
| 875 | |
| 876 | static struct resource tsadcc_resources[] = { |
| 877 | [0] = { |
| 878 | .start = AT91SAM9G45_BASE_TSC, |
| 879 | .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, |
| 880 | .flags = IORESOURCE_MEM, |
| 881 | }, |
| 882 | [1] = { |
| 883 | .start = AT91SAM9G45_ID_TSC, |
| 884 | .end = AT91SAM9G45_ID_TSC, |
| 885 | .flags = IORESOURCE_IRQ, |
| 886 | } |
| 887 | }; |
| 888 | |
| 889 | static struct platform_device at91sam9g45_tsadcc_device = { |
| 890 | .name = "atmel_tsadcc", |
| 891 | .id = -1, |
| 892 | .dev = { |
| 893 | .dma_mask = &tsadcc_dmamask, |
| 894 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 895 | .platform_data = &tsadcc_data, |
| 896 | }, |
| 897 | .resource = tsadcc_resources, |
| 898 | .num_resources = ARRAY_SIZE(tsadcc_resources), |
| 899 | }; |
| 900 | |
| 901 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) |
| 902 | { |
| 903 | if (!data) |
| 904 | return; |
| 905 | |
| 906 | at91_set_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ |
| 907 | at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ |
| 908 | at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ |
| 909 | at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ |
| 910 | |
| 911 | tsadcc_data = *data; |
| 912 | platform_device_register(&at91sam9g45_tsadcc_device); |
| 913 | } |
| 914 | #else |
| 915 | void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} |
| 916 | #endif |
| 917 | |
| 918 | |
| 919 | /* -------------------------------------------------------------------- |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 920 | * RTT |
| 921 | * -------------------------------------------------------------------- */ |
| 922 | |
| 923 | static struct resource rtt_resources[] = { |
| 924 | { |
| 925 | .start = AT91_BASE_SYS + AT91_RTT, |
| 926 | .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, |
| 927 | .flags = IORESOURCE_MEM, |
| 928 | } |
| 929 | }; |
| 930 | |
| 931 | static struct platform_device at91sam9g45_rtt_device = { |
| 932 | .name = "at91_rtt", |
| 933 | .id = 0, |
| 934 | .resource = rtt_resources, |
| 935 | .num_resources = ARRAY_SIZE(rtt_resources), |
| 936 | }; |
| 937 | |
| 938 | static void __init at91_add_device_rtt(void) |
| 939 | { |
| 940 | platform_device_register(&at91sam9g45_rtt_device); |
| 941 | } |
| 942 | |
| 943 | |
| 944 | /* -------------------------------------------------------------------- |
| 945 | * Watchdog |
| 946 | * -------------------------------------------------------------------- */ |
| 947 | |
Yegor Yefremov | 4726374 | 2009-10-20 08:39:41 +0100 | [diff] [blame] | 948 | #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 949 | static struct platform_device at91sam9g45_wdt_device = { |
| 950 | .name = "at91_wdt", |
| 951 | .id = -1, |
| 952 | .num_resources = 0, |
| 953 | }; |
| 954 | |
| 955 | static void __init at91_add_device_watchdog(void) |
| 956 | { |
| 957 | platform_device_register(&at91sam9g45_wdt_device); |
| 958 | } |
| 959 | #else |
| 960 | static void __init at91_add_device_watchdog(void) {} |
| 961 | #endif |
| 962 | |
| 963 | |
| 964 | /* -------------------------------------------------------------------- |
| 965 | * PWM |
| 966 | * --------------------------------------------------------------------*/ |
| 967 | |
| 968 | #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE) |
| 969 | static u32 pwm_mask; |
| 970 | |
| 971 | static struct resource pwm_resources[] = { |
| 972 | [0] = { |
| 973 | .start = AT91SAM9G45_BASE_PWMC, |
| 974 | .end = AT91SAM9G45_BASE_PWMC + SZ_16K - 1, |
| 975 | .flags = IORESOURCE_MEM, |
| 976 | }, |
| 977 | [1] = { |
| 978 | .start = AT91SAM9G45_ID_PWMC, |
| 979 | .end = AT91SAM9G45_ID_PWMC, |
| 980 | .flags = IORESOURCE_IRQ, |
| 981 | }, |
| 982 | }; |
| 983 | |
| 984 | static struct platform_device at91sam9g45_pwm0_device = { |
| 985 | .name = "atmel_pwm", |
| 986 | .id = -1, |
| 987 | .dev = { |
| 988 | .platform_data = &pwm_mask, |
| 989 | }, |
| 990 | .resource = pwm_resources, |
| 991 | .num_resources = ARRAY_SIZE(pwm_resources), |
| 992 | }; |
| 993 | |
| 994 | void __init at91_add_device_pwm(u32 mask) |
| 995 | { |
| 996 | if (mask & (1 << AT91_PWM0)) |
| 997 | at91_set_B_periph(AT91_PIN_PD24, 1); /* enable PWM0 */ |
| 998 | |
| 999 | if (mask & (1 << AT91_PWM1)) |
| 1000 | at91_set_B_periph(AT91_PIN_PD31, 1); /* enable PWM1 */ |
| 1001 | |
| 1002 | if (mask & (1 << AT91_PWM2)) |
| 1003 | at91_set_B_periph(AT91_PIN_PD26, 1); /* enable PWM2 */ |
| 1004 | |
| 1005 | if (mask & (1 << AT91_PWM3)) |
| 1006 | at91_set_B_periph(AT91_PIN_PD0, 1); /* enable PWM3 */ |
| 1007 | |
| 1008 | pwm_mask = mask; |
| 1009 | |
| 1010 | platform_device_register(&at91sam9g45_pwm0_device); |
| 1011 | } |
| 1012 | #else |
| 1013 | void __init at91_add_device_pwm(u32 mask) {} |
| 1014 | #endif |
| 1015 | |
| 1016 | |
| 1017 | /* -------------------------------------------------------------------- |
| 1018 | * SSC -- Synchronous Serial Controller |
| 1019 | * -------------------------------------------------------------------- */ |
| 1020 | |
| 1021 | #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) |
| 1022 | static u64 ssc0_dmamask = DMA_BIT_MASK(32); |
| 1023 | |
| 1024 | static struct resource ssc0_resources[] = { |
| 1025 | [0] = { |
| 1026 | .start = AT91SAM9G45_BASE_SSC0, |
| 1027 | .end = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1, |
| 1028 | .flags = IORESOURCE_MEM, |
| 1029 | }, |
| 1030 | [1] = { |
| 1031 | .start = AT91SAM9G45_ID_SSC0, |
| 1032 | .end = AT91SAM9G45_ID_SSC0, |
| 1033 | .flags = IORESOURCE_IRQ, |
| 1034 | }, |
| 1035 | }; |
| 1036 | |
| 1037 | static struct platform_device at91sam9g45_ssc0_device = { |
| 1038 | .name = "ssc", |
| 1039 | .id = 0, |
| 1040 | .dev = { |
| 1041 | .dma_mask = &ssc0_dmamask, |
| 1042 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1043 | }, |
| 1044 | .resource = ssc0_resources, |
| 1045 | .num_resources = ARRAY_SIZE(ssc0_resources), |
| 1046 | }; |
| 1047 | |
| 1048 | static inline void configure_ssc0_pins(unsigned pins) |
| 1049 | { |
| 1050 | if (pins & ATMEL_SSC_TF) |
| 1051 | at91_set_A_periph(AT91_PIN_PD1, 1); |
| 1052 | if (pins & ATMEL_SSC_TK) |
| 1053 | at91_set_A_periph(AT91_PIN_PD0, 1); |
| 1054 | if (pins & ATMEL_SSC_TD) |
| 1055 | at91_set_A_periph(AT91_PIN_PD2, 1); |
| 1056 | if (pins & ATMEL_SSC_RD) |
| 1057 | at91_set_A_periph(AT91_PIN_PD3, 1); |
| 1058 | if (pins & ATMEL_SSC_RK) |
| 1059 | at91_set_A_periph(AT91_PIN_PD4, 1); |
| 1060 | if (pins & ATMEL_SSC_RF) |
| 1061 | at91_set_A_periph(AT91_PIN_PD5, 1); |
| 1062 | } |
| 1063 | |
| 1064 | static u64 ssc1_dmamask = DMA_BIT_MASK(32); |
| 1065 | |
| 1066 | static struct resource ssc1_resources[] = { |
| 1067 | [0] = { |
| 1068 | .start = AT91SAM9G45_BASE_SSC1, |
| 1069 | .end = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1, |
| 1070 | .flags = IORESOURCE_MEM, |
| 1071 | }, |
| 1072 | [1] = { |
| 1073 | .start = AT91SAM9G45_ID_SSC1, |
| 1074 | .end = AT91SAM9G45_ID_SSC1, |
| 1075 | .flags = IORESOURCE_IRQ, |
| 1076 | }, |
| 1077 | }; |
| 1078 | |
| 1079 | static struct platform_device at91sam9g45_ssc1_device = { |
| 1080 | .name = "ssc", |
| 1081 | .id = 1, |
| 1082 | .dev = { |
| 1083 | .dma_mask = &ssc1_dmamask, |
| 1084 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1085 | }, |
| 1086 | .resource = ssc1_resources, |
| 1087 | .num_resources = ARRAY_SIZE(ssc1_resources), |
| 1088 | }; |
| 1089 | |
| 1090 | static inline void configure_ssc1_pins(unsigned pins) |
| 1091 | { |
| 1092 | if (pins & ATMEL_SSC_TF) |
| 1093 | at91_set_A_periph(AT91_PIN_PD14, 1); |
| 1094 | if (pins & ATMEL_SSC_TK) |
| 1095 | at91_set_A_periph(AT91_PIN_PD12, 1); |
| 1096 | if (pins & ATMEL_SSC_TD) |
| 1097 | at91_set_A_periph(AT91_PIN_PD10, 1); |
| 1098 | if (pins & ATMEL_SSC_RD) |
| 1099 | at91_set_A_periph(AT91_PIN_PD11, 1); |
| 1100 | if (pins & ATMEL_SSC_RK) |
| 1101 | at91_set_A_periph(AT91_PIN_PD13, 1); |
| 1102 | if (pins & ATMEL_SSC_RF) |
| 1103 | at91_set_A_periph(AT91_PIN_PD15, 1); |
| 1104 | } |
| 1105 | |
| 1106 | /* |
| 1107 | * SSC controllers are accessed through library code, instead of any |
| 1108 | * kind of all-singing/all-dancing driver. For example one could be |
| 1109 | * used by a particular I2S audio codec's driver, while another one |
| 1110 | * on the same system might be used by a custom data capture driver. |
| 1111 | */ |
| 1112 | void __init at91_add_device_ssc(unsigned id, unsigned pins) |
| 1113 | { |
| 1114 | struct platform_device *pdev; |
| 1115 | |
| 1116 | /* |
| 1117 | * NOTE: caller is responsible for passing information matching |
| 1118 | * "pins" to whatever will be using each particular controller. |
| 1119 | */ |
| 1120 | switch (id) { |
| 1121 | case AT91SAM9G45_ID_SSC0: |
| 1122 | pdev = &at91sam9g45_ssc0_device; |
| 1123 | configure_ssc0_pins(pins); |
| 1124 | at91_clock_associate("ssc0_clk", &pdev->dev, "pclk"); |
| 1125 | break; |
| 1126 | case AT91SAM9G45_ID_SSC1: |
| 1127 | pdev = &at91sam9g45_ssc1_device; |
| 1128 | configure_ssc1_pins(pins); |
| 1129 | at91_clock_associate("ssc1_clk", &pdev->dev, "pclk"); |
| 1130 | break; |
| 1131 | default: |
| 1132 | return; |
| 1133 | } |
| 1134 | |
| 1135 | platform_device_register(pdev); |
| 1136 | } |
| 1137 | |
| 1138 | #else |
| 1139 | void __init at91_add_device_ssc(unsigned id, unsigned pins) {} |
| 1140 | #endif |
| 1141 | |
| 1142 | |
| 1143 | /* -------------------------------------------------------------------- |
| 1144 | * UART |
| 1145 | * -------------------------------------------------------------------- */ |
| 1146 | |
| 1147 | #if defined(CONFIG_SERIAL_ATMEL) |
| 1148 | static struct resource dbgu_resources[] = { |
| 1149 | [0] = { |
| 1150 | .start = AT91_VA_BASE_SYS + AT91_DBGU, |
| 1151 | .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, |
| 1152 | .flags = IORESOURCE_MEM, |
| 1153 | }, |
| 1154 | [1] = { |
| 1155 | .start = AT91_ID_SYS, |
| 1156 | .end = AT91_ID_SYS, |
| 1157 | .flags = IORESOURCE_IRQ, |
| 1158 | }, |
| 1159 | }; |
| 1160 | |
| 1161 | static struct atmel_uart_data dbgu_data = { |
| 1162 | .use_dma_tx = 0, |
| 1163 | .use_dma_rx = 0, |
| 1164 | .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), |
| 1165 | }; |
| 1166 | |
| 1167 | static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
| 1168 | |
| 1169 | static struct platform_device at91sam9g45_dbgu_device = { |
| 1170 | .name = "atmel_usart", |
| 1171 | .id = 0, |
| 1172 | .dev = { |
| 1173 | .dma_mask = &dbgu_dmamask, |
| 1174 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1175 | .platform_data = &dbgu_data, |
| 1176 | }, |
| 1177 | .resource = dbgu_resources, |
| 1178 | .num_resources = ARRAY_SIZE(dbgu_resources), |
| 1179 | }; |
| 1180 | |
| 1181 | static inline void configure_dbgu_pins(void) |
| 1182 | { |
| 1183 | at91_set_A_periph(AT91_PIN_PB12, 0); /* DRXD */ |
| 1184 | at91_set_A_periph(AT91_PIN_PB13, 1); /* DTXD */ |
| 1185 | } |
| 1186 | |
| 1187 | static struct resource uart0_resources[] = { |
| 1188 | [0] = { |
| 1189 | .start = AT91SAM9G45_BASE_US0, |
| 1190 | .end = AT91SAM9G45_BASE_US0 + SZ_16K - 1, |
| 1191 | .flags = IORESOURCE_MEM, |
| 1192 | }, |
| 1193 | [1] = { |
| 1194 | .start = AT91SAM9G45_ID_US0, |
| 1195 | .end = AT91SAM9G45_ID_US0, |
| 1196 | .flags = IORESOURCE_IRQ, |
| 1197 | }, |
| 1198 | }; |
| 1199 | |
| 1200 | static struct atmel_uart_data uart0_data = { |
| 1201 | .use_dma_tx = 1, |
| 1202 | .use_dma_rx = 1, |
| 1203 | }; |
| 1204 | |
| 1205 | static u64 uart0_dmamask = DMA_BIT_MASK(32); |
| 1206 | |
| 1207 | static struct platform_device at91sam9g45_uart0_device = { |
| 1208 | .name = "atmel_usart", |
| 1209 | .id = 1, |
| 1210 | .dev = { |
| 1211 | .dma_mask = &uart0_dmamask, |
| 1212 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1213 | .platform_data = &uart0_data, |
| 1214 | }, |
| 1215 | .resource = uart0_resources, |
| 1216 | .num_resources = ARRAY_SIZE(uart0_resources), |
| 1217 | }; |
| 1218 | |
| 1219 | static inline void configure_usart0_pins(unsigned pins) |
| 1220 | { |
| 1221 | at91_set_A_periph(AT91_PIN_PB19, 1); /* TXD0 */ |
| 1222 | at91_set_A_periph(AT91_PIN_PB18, 0); /* RXD0 */ |
| 1223 | |
| 1224 | if (pins & ATMEL_UART_RTS) |
| 1225 | at91_set_B_periph(AT91_PIN_PB17, 0); /* RTS0 */ |
| 1226 | if (pins & ATMEL_UART_CTS) |
| 1227 | at91_set_B_periph(AT91_PIN_PB15, 0); /* CTS0 */ |
| 1228 | } |
| 1229 | |
| 1230 | static struct resource uart1_resources[] = { |
| 1231 | [0] = { |
| 1232 | .start = AT91SAM9G45_BASE_US1, |
| 1233 | .end = AT91SAM9G45_BASE_US1 + SZ_16K - 1, |
| 1234 | .flags = IORESOURCE_MEM, |
| 1235 | }, |
| 1236 | [1] = { |
| 1237 | .start = AT91SAM9G45_ID_US1, |
| 1238 | .end = AT91SAM9G45_ID_US1, |
| 1239 | .flags = IORESOURCE_IRQ, |
| 1240 | }, |
| 1241 | }; |
| 1242 | |
| 1243 | static struct atmel_uart_data uart1_data = { |
| 1244 | .use_dma_tx = 1, |
| 1245 | .use_dma_rx = 1, |
| 1246 | }; |
| 1247 | |
| 1248 | static u64 uart1_dmamask = DMA_BIT_MASK(32); |
| 1249 | |
| 1250 | static struct platform_device at91sam9g45_uart1_device = { |
| 1251 | .name = "atmel_usart", |
| 1252 | .id = 2, |
| 1253 | .dev = { |
| 1254 | .dma_mask = &uart1_dmamask, |
| 1255 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1256 | .platform_data = &uart1_data, |
| 1257 | }, |
| 1258 | .resource = uart1_resources, |
| 1259 | .num_resources = ARRAY_SIZE(uart1_resources), |
| 1260 | }; |
| 1261 | |
| 1262 | static inline void configure_usart1_pins(unsigned pins) |
| 1263 | { |
| 1264 | at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD1 */ |
| 1265 | at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD1 */ |
| 1266 | |
| 1267 | if (pins & ATMEL_UART_RTS) |
| 1268 | at91_set_A_periph(AT91_PIN_PD16, 0); /* RTS1 */ |
| 1269 | if (pins & ATMEL_UART_CTS) |
| 1270 | at91_set_A_periph(AT91_PIN_PD17, 0); /* CTS1 */ |
| 1271 | } |
| 1272 | |
| 1273 | static struct resource uart2_resources[] = { |
| 1274 | [0] = { |
| 1275 | .start = AT91SAM9G45_BASE_US2, |
| 1276 | .end = AT91SAM9G45_BASE_US2 + SZ_16K - 1, |
| 1277 | .flags = IORESOURCE_MEM, |
| 1278 | }, |
| 1279 | [1] = { |
| 1280 | .start = AT91SAM9G45_ID_US2, |
| 1281 | .end = AT91SAM9G45_ID_US2, |
| 1282 | .flags = IORESOURCE_IRQ, |
| 1283 | }, |
| 1284 | }; |
| 1285 | |
| 1286 | static struct atmel_uart_data uart2_data = { |
| 1287 | .use_dma_tx = 1, |
| 1288 | .use_dma_rx = 1, |
| 1289 | }; |
| 1290 | |
| 1291 | static u64 uart2_dmamask = DMA_BIT_MASK(32); |
| 1292 | |
| 1293 | static struct platform_device at91sam9g45_uart2_device = { |
| 1294 | .name = "atmel_usart", |
| 1295 | .id = 3, |
| 1296 | .dev = { |
| 1297 | .dma_mask = &uart2_dmamask, |
| 1298 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1299 | .platform_data = &uart2_data, |
| 1300 | }, |
| 1301 | .resource = uart2_resources, |
| 1302 | .num_resources = ARRAY_SIZE(uart2_resources), |
| 1303 | }; |
| 1304 | |
| 1305 | static inline void configure_usart2_pins(unsigned pins) |
| 1306 | { |
| 1307 | at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD2 */ |
| 1308 | at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD2 */ |
| 1309 | |
| 1310 | if (pins & ATMEL_UART_RTS) |
| 1311 | at91_set_B_periph(AT91_PIN_PC9, 0); /* RTS2 */ |
| 1312 | if (pins & ATMEL_UART_CTS) |
| 1313 | at91_set_B_periph(AT91_PIN_PC11, 0); /* CTS2 */ |
| 1314 | } |
| 1315 | |
| 1316 | static struct resource uart3_resources[] = { |
| 1317 | [0] = { |
| 1318 | .start = AT91SAM9G45_BASE_US3, |
| 1319 | .end = AT91SAM9G45_BASE_US3 + SZ_16K - 1, |
| 1320 | .flags = IORESOURCE_MEM, |
| 1321 | }, |
| 1322 | [1] = { |
| 1323 | .start = AT91SAM9G45_ID_US3, |
| 1324 | .end = AT91SAM9G45_ID_US3, |
| 1325 | .flags = IORESOURCE_IRQ, |
| 1326 | }, |
| 1327 | }; |
| 1328 | |
| 1329 | static struct atmel_uart_data uart3_data = { |
| 1330 | .use_dma_tx = 1, |
| 1331 | .use_dma_rx = 1, |
| 1332 | }; |
| 1333 | |
| 1334 | static u64 uart3_dmamask = DMA_BIT_MASK(32); |
| 1335 | |
| 1336 | static struct platform_device at91sam9g45_uart3_device = { |
| 1337 | .name = "atmel_usart", |
| 1338 | .id = 4, |
| 1339 | .dev = { |
| 1340 | .dma_mask = &uart3_dmamask, |
| 1341 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 1342 | .platform_data = &uart3_data, |
| 1343 | }, |
| 1344 | .resource = uart3_resources, |
| 1345 | .num_resources = ARRAY_SIZE(uart3_resources), |
| 1346 | }; |
| 1347 | |
| 1348 | static inline void configure_usart3_pins(unsigned pins) |
| 1349 | { |
| 1350 | at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD3 */ |
| 1351 | at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD3 */ |
| 1352 | |
| 1353 | if (pins & ATMEL_UART_RTS) |
| 1354 | at91_set_B_periph(AT91_PIN_PA23, 0); /* RTS3 */ |
| 1355 | if (pins & ATMEL_UART_CTS) |
| 1356 | at91_set_B_periph(AT91_PIN_PA24, 0); /* CTS3 */ |
| 1357 | } |
| 1358 | |
| 1359 | static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
| 1360 | struct platform_device *atmel_default_console_device; /* the serial console device */ |
| 1361 | |
| 1362 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
| 1363 | { |
| 1364 | struct platform_device *pdev; |
| 1365 | |
| 1366 | switch (id) { |
| 1367 | case 0: /* DBGU */ |
| 1368 | pdev = &at91sam9g45_dbgu_device; |
| 1369 | configure_dbgu_pins(); |
| 1370 | at91_clock_associate("mck", &pdev->dev, "usart"); |
| 1371 | break; |
| 1372 | case AT91SAM9G45_ID_US0: |
| 1373 | pdev = &at91sam9g45_uart0_device; |
| 1374 | configure_usart0_pins(pins); |
| 1375 | at91_clock_associate("usart0_clk", &pdev->dev, "usart"); |
| 1376 | break; |
| 1377 | case AT91SAM9G45_ID_US1: |
| 1378 | pdev = &at91sam9g45_uart1_device; |
| 1379 | configure_usart1_pins(pins); |
| 1380 | at91_clock_associate("usart1_clk", &pdev->dev, "usart"); |
| 1381 | break; |
| 1382 | case AT91SAM9G45_ID_US2: |
| 1383 | pdev = &at91sam9g45_uart2_device; |
| 1384 | configure_usart2_pins(pins); |
| 1385 | at91_clock_associate("usart2_clk", &pdev->dev, "usart"); |
| 1386 | break; |
| 1387 | case AT91SAM9G45_ID_US3: |
| 1388 | pdev = &at91sam9g45_uart3_device; |
| 1389 | configure_usart3_pins(pins); |
| 1390 | at91_clock_associate("usart3_clk", &pdev->dev, "usart"); |
| 1391 | break; |
| 1392 | default: |
| 1393 | return; |
| 1394 | } |
| 1395 | pdev->id = portnr; /* update to mapped ID */ |
| 1396 | |
| 1397 | if (portnr < ATMEL_MAX_UART) |
| 1398 | at91_uarts[portnr] = pdev; |
| 1399 | } |
| 1400 | |
| 1401 | void __init at91_set_serial_console(unsigned portnr) |
| 1402 | { |
| 1403 | if (portnr < ATMEL_MAX_UART) |
| 1404 | atmel_default_console_device = at91_uarts[portnr]; |
| 1405 | } |
| 1406 | |
| 1407 | void __init at91_add_device_serial(void) |
| 1408 | { |
| 1409 | int i; |
| 1410 | |
| 1411 | for (i = 0; i < ATMEL_MAX_UART; i++) { |
| 1412 | if (at91_uarts[i]) |
| 1413 | platform_device_register(at91_uarts[i]); |
| 1414 | } |
| 1415 | |
| 1416 | if (!atmel_default_console_device) |
| 1417 | printk(KERN_INFO "AT91: No default serial console defined.\n"); |
| 1418 | } |
| 1419 | #else |
| 1420 | void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
| 1421 | void __init at91_set_serial_console(unsigned portnr) {} |
| 1422 | void __init at91_add_device_serial(void) {} |
| 1423 | #endif |
| 1424 | |
| 1425 | |
| 1426 | /* -------------------------------------------------------------------- */ |
| 1427 | /* |
| 1428 | * These devices are always present and don't need any board-specific |
| 1429 | * setup. |
| 1430 | */ |
| 1431 | static int __init at91_add_standard_devices(void) |
| 1432 | { |
Nicolas Ferre | 40262b2 | 2009-07-24 11:43:01 +0100 | [diff] [blame] | 1433 | at91_add_device_hdmac(); |
Nicolas Ferre | 789b23b | 2009-06-26 15:36:58 +0100 | [diff] [blame] | 1434 | at91_add_device_rtc(); |
| 1435 | at91_add_device_rtt(); |
| 1436 | at91_add_device_watchdog(); |
| 1437 | at91_add_device_tc(); |
| 1438 | return 0; |
| 1439 | } |
| 1440 | |
| 1441 | arch_initcall(at91_add_standard_devices); |