1/* 2 * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 */ 14 15#include <linux/delay.h> 16#include <linux/dma-mapping.h> 17#include <linux/gfp.h> 18#include <linux/gpio.h> 19#include <linux/init.h> 20#include <linux/interrupt.h> 21#include <linux/leds.h> 22#include <linux/memory.h> 23#include <linux/mtd/physmap.h> 24#include <linux/mtd/partitions.h> 25#include <linux/platform_device.h> 26#include <linux/regulator/machine.h> 27#include <linux/mfd/mc13783.h> 28#include <linux/spi/spi.h> 29#include <linux/types.h> 30 31#include <linux/usb/otg.h> 32#include <linux/usb/ulpi.h> 33 34#include <asm/mach-types.h> 35#include <asm/mach/arch.h> 36#include <asm/mach/time.h> 37#include <asm/mach/map.h> 38#include <mach/board-mx31moboard.h> 39#include <mach/common.h> 40#include <mach/hardware.h> 41#include <mach/iomux-mx3.h> 42#include <mach/ipu.h> 43#include <mach/mmc.h> 44#include <mach/mxc_ehci.h> 45#include <mach/mx3_camera.h> 46#include <mach/spi.h> 47#include <mach/ulpi.h> 48 49#include "devices-imx31.h" 50#include "devices.h" 51 52static unsigned int moboard_pins[] = { 53 /* UART0 */ 54 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, 55 MX31_PIN_CTS1__GPIO2_7, 56 /* UART4 */ 57 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, 58 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, 59 /* I2C0 */ 60 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL, 61 /* I2C1 */ 62 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL, 63 /* SDHC1 */ 64 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, 65 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, 66 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, 67 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, 68 /* USB reset */ 69 MX31_PIN_GPIO1_0__GPIO1_0, 70 /* USB OTG */ 71 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, 72 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, 73 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, 74 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, 75 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, 76 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, 77 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, 78 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, 79 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, 80 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, 81 MX31_PIN_USB_OC__GPIO1_30, 82 /* USB H2 */ 83 MX31_PIN_USBH2_DATA0__USBH2_DATA0, 84 MX31_PIN_USBH2_DATA1__USBH2_DATA1, 85 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, 86 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, 87 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, 88 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, 89 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, 90 MX31_PIN_SCK6__GPIO1_25, 91 /* LEDs */ 92 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, 93 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, 94 /* SPI1 */ 95 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, 96 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, 97 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, 98 /* Atlas IRQ */ 99 MX31_PIN_GPIO1_3__GPIO1_3, 100 /* SPI2 */ 101 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, 102 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, 103 MX31_PIN_CSPI2_SS1__CSPI3_SS1, 104}; 105 106static struct physmap_flash_data mx31moboard_flash_data = { 107 .width = 2, 108}; 109 110static struct resource mx31moboard_flash_resource = { 111 .start = 0xa0000000, 112 .end = 0xa1ffffff, 113 .flags = IORESOURCE_MEM, 114}; 115 116static struct platform_device mx31moboard_flash = { 117 .name = "physmap-flash", 118 .id = 0, 119 .dev = { 120 .platform_data = &mx31moboard_flash_data, 121 }, 122 .resource = &mx31moboard_flash_resource, 123 .num_resources = 1, 124}; 125 126static int moboard_uart0_init(struct platform_device *pdev) 127{ 128 int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); 129 if (ret) 130 return ret; 131 132 ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); 133 if (ret) 134 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); 135 136 return ret; 137} 138 139static void moboard_uart0_exit(struct platform_device *pdev) 140{ 141 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); 142} 143 144static const struct imxuart_platform_data uart0_pdata __initconst = { 145 .init = moboard_uart0_init, 146 .exit = moboard_uart0_exit, 147}; 148 149static const struct imxuart_platform_data uart4_pdata __initconst = { 150 .flags = IMXUART_HAVE_RTSCTS, 151}; 152 153static const struct imxi2c_platform_data moboard_i2c0_data __initconst = { 154 .bitrate = 400000, 155}; 156 157static const struct imxi2c_platform_data moboard_i2c1_data __initconst = { 158 .bitrate = 100000, 159}; 160 161static int moboard_spi1_cs[] = { 162 MXC_SPI_CS(0), 163 MXC_SPI_CS(2), 164}; 165 166static const struct spi_imx_master moboard_spi1_pdata __initconst = { 167 .chipselect = moboard_spi1_cs, 168 .num_chipselect = ARRAY_SIZE(moboard_spi1_cs), 169}; 170 171static struct regulator_consumer_supply sdhc_consumers[] = { 172 { 173 .dev = &mxcsdhc_device0.dev, 174 .supply = "sdhc0_vcc", 175 }, 176 { 177 .dev = &mxcsdhc_device1.dev, 178 .supply = "sdhc1_vcc", 179 }, 180}; 181 182static struct regulator_init_data sdhc_vreg_data = { 183 .constraints = { 184 .min_uV = 2700000, 185 .max_uV = 3000000, 186 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | 187 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, 188 .valid_modes_mask = REGULATOR_MODE_NORMAL | 189 REGULATOR_MODE_FAST, 190 .always_on = 0, 191 .boot_on = 1, 192 }, 193 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), 194 .consumer_supplies = sdhc_consumers, 195}; 196 197static struct regulator_consumer_supply cam_consumers[] = { 198 { 199 .dev = &mx3_camera.dev, 200 .supply = "cam_vcc", 201 }, 202}; 203 204static struct regulator_init_data cam_vreg_data = { 205 .constraints = { 206 .min_uV = 2700000, 207 .max_uV = 3000000, 208 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | 209 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, 210 .valid_modes_mask = REGULATOR_MODE_NORMAL | 211 REGULATOR_MODE_FAST, 212 .always_on = 0, 213 .boot_on = 1, 214 }, 215 .num_consumer_supplies = ARRAY_SIZE(cam_consumers), 216 .consumer_supplies = cam_consumers, 217}; 218 219static struct mc13783_regulator_init_data moboard_regulators[] = { 220 { 221 .id = MC13783_REGU_VMMC1, 222 .init_data = &sdhc_vreg_data, 223 }, 224 { 225 .id = MC13783_REGU_VCAM, 226 .init_data = &cam_vreg_data, 227 }, 228}; 229 230static struct mc13783_led_platform_data moboard_led[] = { 231 { 232 .id = MC13783_LED_R1, 233 .name = "coreboard-led-4:red", 234 .max_current = 2, 235 }, 236 { 237 .id = MC13783_LED_G1, 238 .name = "coreboard-led-4:green", 239 .max_current = 2, 240 }, 241 { 242 .id = MC13783_LED_B1, 243 .name = "coreboard-led-4:blue", 244 .max_current = 2, 245 }, 246 { 247 .id = MC13783_LED_R2, 248 .name = "coreboard-led-5:red", 249 .max_current = 3, 250 }, 251 { 252 .id = MC13783_LED_G2, 253 .name = "coreboard-led-5:green", 254 .max_current = 3, 255 }, 256 { 257 .id = MC13783_LED_B2, 258 .name = "coreboard-led-5:blue", 259 .max_current = 3, 260 }, 261}; 262 263static struct mc13783_leds_platform_data moboard_leds = { 264 .num_leds = ARRAY_SIZE(moboard_led), 265 .led = moboard_led, 266 .flags = MC13783_LED_SLEWLIMTC, 267 .abmode = MC13783_LED_AB_DISABLED, 268 .tc1_period = MC13783_LED_PERIOD_10MS, 269 .tc2_period = MC13783_LED_PERIOD_10MS, 270}; 271 272static struct mc13783_platform_data moboard_pmic = { 273 .regulators = moboard_regulators, 274 .num_regulators = ARRAY_SIZE(moboard_regulators), 275 .leds = &moboard_leds, 276 .flags = MC13783_USE_REGULATOR | MC13783_USE_RTC | 277 MC13783_USE_ADC | MC13783_USE_LED, 278}; 279 280static struct spi_board_info moboard_spi_board_info[] __initdata = { 281 { 282 .modalias = "mc13783", 283 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), 284 .max_speed_hz = 300000, 285 .bus_num = 1, 286 .chip_select = 0, 287 .platform_data = &moboard_pmic, 288 .mode = SPI_CS_HIGH, 289 }, 290}; 291 292static int moboard_spi2_cs[] = { 293 MXC_SPI_CS(1), 294}; 295 296static const struct spi_imx_master moboard_spi2_pdata __initconst = { 297 .chipselect = moboard_spi2_cs, 298 .num_chipselect = ARRAY_SIZE(moboard_spi2_cs), 299}; 300 301#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) 302#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) 303 304static int moboard_sdhc1_get_ro(struct device *dev) 305{ 306 return !gpio_get_value(SDHC1_WP); 307} 308 309static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq, 310 void *data) 311{ 312 int ret; 313 314 ret = gpio_request(SDHC1_CD, "sdhc-detect"); 315 if (ret) 316 return ret; 317 318 gpio_direction_input(SDHC1_CD); 319 320 ret = gpio_request(SDHC1_WP, "sdhc-wp"); 321 if (ret) 322 goto err_gpio_free; 323 gpio_direction_input(SDHC1_WP); 324 325 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq, 326 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, 327 "sdhc1-card-detect", data); 328 if (ret) 329 goto err_gpio_free_2; 330 331 return 0; 332 333err_gpio_free_2: 334 gpio_free(SDHC1_WP); 335err_gpio_free: 336 gpio_free(SDHC1_CD); 337 338 return ret; 339} 340 341static void moboard_sdhc1_exit(struct device *dev, void *data) 342{ 343 free_irq(gpio_to_irq(SDHC1_CD), data); 344 gpio_free(SDHC1_WP); 345 gpio_free(SDHC1_CD); 346} 347 348static struct imxmmc_platform_data sdhc1_pdata = { 349 .get_ro = moboard_sdhc1_get_ro, 350 .init = moboard_sdhc1_init, 351 .exit = moboard_sdhc1_exit, 352}; 353 354/* 355 * this pin is dedicated for all mx31moboard systems, so we do it here 356 */ 357#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0) 358#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ 359 PAD_CTL_ODE_CMOS) 360 361#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) 362#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) 363 364static void usb_xcvr_reset(void) 365{ 366 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); 367 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); 368 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD); 369 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD); 370 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD); 371 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD); 372 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD); 373 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD); 374 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); 375 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); 376 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); 377 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU); 378 379 mxc_iomux_set_gpr(MUX_PGP_UH2, true); 380 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); 381 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); 382 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); 383 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU); 384 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); 385 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); 386 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD); 387 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD); 388 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD); 389 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD); 390 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD); 391 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD); 392 393 gpio_request(OTG_EN_B, "usb-udc-en"); 394 gpio_direction_output(OTG_EN_B, 0); 395 gpio_request(USBH2_EN_B, "usbh2-en"); 396 gpio_direction_output(USBH2_EN_B, 0); 397 398 gpio_request(USB_RESET_B, "usb-reset"); 399 gpio_direction_output(USB_RESET_B, 0); 400 mdelay(1); 401 gpio_set_value(USB_RESET_B, 1); 402 mdelay(1); 403} 404 405#if defined(CONFIG_USB_ULPI) 406 407static struct mxc_usbh_platform_data usbh2_pdata = { 408 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, 409 .flags = MXC_EHCI_POWER_PINS_ENABLED, 410}; 411 412static int __init moboard_usbh2_init(void) 413{ 414 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, 415 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); 416 417 return mxc_register_device(&mxc_usbh2, &usbh2_pdata); 418} 419#else 420static inline int moboard_usbh2_init(void) { return 0; } 421#endif 422 423 424static struct gpio_led mx31moboard_leds[] = { 425 { 426 .name = "coreboard-led-0:red:running", 427 .default_trigger = "heartbeat", 428 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0), 429 }, { 430 .name = "coreboard-led-1:red", 431 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0), 432 }, { 433 .name = "coreboard-led-2:red", 434 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0), 435 }, { 436 .name = "coreboard-led-3:red", 437 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0), 438 }, 439}; 440 441static struct gpio_led_platform_data mx31moboard_led_pdata = { 442 .num_leds = ARRAY_SIZE(mx31moboard_leds), 443 .leds = mx31moboard_leds, 444}; 445 446static struct platform_device mx31moboard_leds_device = { 447 .name = "leds-gpio", 448 .id = -1, 449 .dev = { 450 .platform_data = &mx31moboard_led_pdata, 451 }, 452}; 453 454static struct ipu_platform_data mx3_ipu_data = { 455 .irq_base = MXC_IPU_IRQ_START, 456}; 457 458static struct platform_device *devices[] __initdata = { 459 &mx31moboard_flash, 460 &mx31moboard_leds_device, 461}; 462 463static struct mx3_camera_pdata camera_pdata = { 464 .dma_dev = &mx3_ipu.dev, 465 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, 466 .mclk_10khz = 4800, 467}; 468 469#define CAMERA_BUF_SIZE (4*1024*1024) 470 471static int __init mx31moboard_cam_alloc_dma(const size_t buf_size) 472{ 473 dma_addr_t dma_handle; 474 void *buf; 475 int dma; 476 477 if (buf_size < 2 * 1024 * 1024) 478 return -EINVAL; 479 480 buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL); 481 if (!buf) { 482 pr_err("%s: cannot allocate camera buffer-memory\n", __func__); 483 return -ENOMEM; 484 } 485 486 memset(buf, 0, buf_size); 487 488 dma = dma_declare_coherent_memory(&mx3_camera.dev, 489 dma_handle, dma_handle, buf_size, 490 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); 491 492 /* The way we call dma_declare_coherent_memory only a malloc can fail */ 493 return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM; 494} 495 496static int mx31moboard_baseboard; 497core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); 498 499/* 500 * Board specific initialization. 501 */ 502static void __init mxc_board_init(void) 503{ 504 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), 505 "moboard"); 506 507 platform_add_devices(devices, ARRAY_SIZE(devices)); 508 509 imx31_add_imx_uart0(&uart0_pdata); 510 imx31_add_imx_uart4(&uart4_pdata); 511 512 imx31_add_imx_i2c0(&moboard_i2c0_data); 513 imx31_add_imx_i2c1(&moboard_i2c1_data); 514 515 imx31_add_spi_imx1(&moboard_spi1_pdata); 516 imx31_add_spi_imx2(&moboard_spi2_pdata); 517 518 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); 519 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); 520 spi_register_board_info(moboard_spi_board_info, 521 ARRAY_SIZE(moboard_spi_board_info)); 522 523 mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); 524 525 mxc_register_device(&mx3_ipu, &mx3_ipu_data); 526 if (!mx31moboard_cam_alloc_dma(CAMERA_BUF_SIZE)) 527 mxc_register_device(&mx3_camera, &camera_pdata); 528 529 usb_xcvr_reset(); 530 531 moboard_usbh2_init(); 532 533 switch (mx31moboard_baseboard) { 534 case MX31NOBOARD: 535 break; 536 case MX31DEVBOARD: 537 mx31moboard_devboard_init(); 538 break; 539 case MX31MARXBOT: 540 mx31moboard_marxbot_init(); 541 break; 542 case MX31SMARTBOT: 543 case MX31EYEBOT: 544 mx31moboard_smartbot_init(mx31moboard_baseboard); 545 break; 546 default: 547 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", 548 mx31moboard_baseboard); 549 } 550} 551 552static void __init mx31moboard_timer_init(void) 553{ 554 mx31_clocks_init(26000000); 555} 556 557struct sys_timer mx31moboard_timer = { 558 .init = mx31moboard_timer_init, 559}; 560 561MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") 562 /* Maintainer: Valentin Longchamp, EPFL Mobots group */ 563 .phys_io = MX31_AIPS1_BASE_ADDR, 564 .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc, 565 .boot_params = MX3x_PHYS_OFFSET + 0x100, 566 .map_io = mx31_map_io, 567 .init_irq = mx31_init_irq, 568 .init_machine = mxc_board_init, 569 .timer = &mx31moboard_timer, 570MACHINE_END 571