| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 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/moduleparam.h> | 
|  | 22 | #include <linux/leds.h> | 
|  | 23 | #include <linux/memory.h> | 
|  | 24 | #include <linux/mtd/physmap.h> | 
|  | 25 | #include <linux/mtd/partitions.h> | 
|  | 26 | #include <linux/platform_device.h> | 
|  | 27 | #include <linux/regulator/machine.h> | 
|  | 28 | #include <linux/mfd/mc13783.h> | 
|  | 29 | #include <linux/spi/spi.h> | 
|  | 30 | #include <linux/types.h> | 
|  | 31 | #include <linux/memblock.h> | 
|  | 32 | #include <linux/clk.h> | 
|  | 33 | #include <linux/io.h> | 
|  | 34 | #include <linux/err.h> | 
|  | 35 | #include <linux/input.h> | 
|  | 36 |  | 
|  | 37 | #include <linux/usb/otg.h> | 
|  | 38 | #include <linux/usb/ulpi.h> | 
|  | 39 |  | 
|  | 40 | #include <asm/mach-types.h> | 
|  | 41 | #include <asm/mach/arch.h> | 
|  | 42 | #include <asm/mach/time.h> | 
|  | 43 | #include <asm/mach/map.h> | 
|  | 44 | #include <asm/memblock.h> | 
|  | 45 | #include <linux/platform_data/asoc-imx-ssi.h> | 
|  | 46 |  | 
|  | 47 | #include "board-mx31moboard.h" | 
|  | 48 | #include "common.h" | 
|  | 49 | #include "devices-imx31.h" | 
|  | 50 | #include "ehci.h" | 
|  | 51 | #include "hardware.h" | 
|  | 52 | #include "iomux-mx3.h" | 
|  | 53 | #include "ulpi.h" | 
|  | 54 |  | 
|  | 55 | static unsigned int moboard_pins[] = { | 
|  | 56 | /* UART0 */ | 
|  | 57 | MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, | 
|  | 58 | MX31_PIN_CTS1__GPIO2_7, | 
|  | 59 | /* UART4 */ | 
|  | 60 | MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, | 
|  | 61 | MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, | 
|  | 62 | /* I2C0 */ | 
|  | 63 | MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL, | 
|  | 64 | /* I2C1 */ | 
|  | 65 | MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL, | 
|  | 66 | /* SDHC1 */ | 
|  | 67 | MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, | 
|  | 68 | MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, | 
|  | 69 | MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, | 
|  | 70 | MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, | 
|  | 71 | /* USB reset */ | 
|  | 72 | MX31_PIN_GPIO1_0__GPIO1_0, | 
|  | 73 | /* USB OTG */ | 
|  | 74 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, | 
|  | 75 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, | 
|  | 76 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, | 
|  | 77 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, | 
|  | 78 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, | 
|  | 79 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, | 
|  | 80 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, | 
|  | 81 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, | 
|  | 82 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, | 
|  | 83 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, | 
|  | 84 | MX31_PIN_USB_OC__GPIO1_30, | 
|  | 85 | /* USB H2 */ | 
|  | 86 | MX31_PIN_USBH2_DATA0__USBH2_DATA0, | 
|  | 87 | MX31_PIN_USBH2_DATA1__USBH2_DATA1, | 
|  | 88 | MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, | 
|  | 89 | MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, | 
|  | 90 | MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, | 
|  | 91 | MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, | 
|  | 92 | MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, | 
|  | 93 | MX31_PIN_SCK6__GPIO1_25, | 
|  | 94 | /* LEDs */ | 
|  | 95 | MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, | 
|  | 96 | MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, | 
|  | 97 | /* SPI1 */ | 
|  | 98 | MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, | 
|  | 99 | MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, | 
|  | 100 | MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, | 
|  | 101 | /* Atlas IRQ */ | 
|  | 102 | MX31_PIN_GPIO1_3__GPIO1_3, | 
|  | 103 | /* SPI2 */ | 
|  | 104 | MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, | 
|  | 105 | MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, | 
|  | 106 | MX31_PIN_CSPI2_SS1__CSPI3_SS1, | 
|  | 107 | /* SSI */ | 
|  | 108 | MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4, | 
|  | 109 | MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4, | 
|  | 110 | }; | 
|  | 111 |  | 
|  | 112 | static struct physmap_flash_data mx31moboard_flash_data = { | 
|  | 113 | .width	= 2, | 
|  | 114 | }; | 
|  | 115 |  | 
|  | 116 | static struct resource mx31moboard_flash_resource = { | 
|  | 117 | .start	= 0xa0000000, | 
|  | 118 | .end	= 0xa1ffffff, | 
|  | 119 | .flags	= IORESOURCE_MEM, | 
|  | 120 | }; | 
|  | 121 |  | 
|  | 122 | static struct platform_device mx31moboard_flash = { | 
|  | 123 | .name	= "physmap-flash", | 
|  | 124 | .id	= 0, | 
|  | 125 | .dev	= { | 
|  | 126 | .platform_data  = &mx31moboard_flash_data, | 
|  | 127 | }, | 
|  | 128 | .resource = &mx31moboard_flash_resource, | 
|  | 129 | .num_resources = 1, | 
|  | 130 | }; | 
|  | 131 |  | 
|  | 132 | static void __init moboard_uart0_init(void) | 
|  | 133 | { | 
|  | 134 | if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) { | 
|  | 135 | gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); | 
|  | 136 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); | 
|  | 137 | } | 
|  | 138 | } | 
|  | 139 |  | 
|  | 140 | static const struct imxuart_platform_data uart0_pdata __initconst = { | 
|  | 141 | }; | 
|  | 142 |  | 
|  | 143 | static const struct imxuart_platform_data uart4_pdata __initconst = { | 
|  | 144 | .flags = IMXUART_HAVE_RTSCTS, | 
|  | 145 | }; | 
|  | 146 |  | 
|  | 147 | static const struct imxi2c_platform_data moboard_i2c0_data __initconst = { | 
|  | 148 | .bitrate = 400000, | 
|  | 149 | }; | 
|  | 150 |  | 
|  | 151 | static const struct imxi2c_platform_data moboard_i2c1_data __initconst = { | 
|  | 152 | .bitrate = 100000, | 
|  | 153 | }; | 
|  | 154 |  | 
|  | 155 | static const struct spi_imx_master moboard_spi1_pdata __initconst = { | 
|  | 156 | .num_chipselect	= 3, | 
|  | 157 | }; | 
|  | 158 |  | 
|  | 159 | static struct regulator_consumer_supply sdhc_consumers[] = { | 
|  | 160 | { | 
|  | 161 | .dev_name = "imx31-mmc.0", | 
|  | 162 | .supply	= "sdhc0_vcc", | 
|  | 163 | }, | 
|  | 164 | { | 
|  | 165 | .dev_name = "imx31-mmc.1", | 
|  | 166 | .supply	= "sdhc1_vcc", | 
|  | 167 | }, | 
|  | 168 | }; | 
|  | 169 |  | 
|  | 170 | static struct regulator_init_data sdhc_vreg_data = { | 
|  | 171 | .constraints = { | 
|  | 172 | .min_uV = 2700000, | 
|  | 173 | .max_uV = 3000000, | 
|  | 174 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | 
|  | 175 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | 
|  | 176 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | 
|  | 177 | REGULATOR_MODE_FAST, | 
|  | 178 | .always_on = 0, | 
|  | 179 | .boot_on = 1, | 
|  | 180 | }, | 
|  | 181 | .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), | 
|  | 182 | .consumer_supplies = sdhc_consumers, | 
|  | 183 | }; | 
|  | 184 |  | 
|  | 185 | static struct regulator_consumer_supply cam_consumers[] = { | 
|  | 186 | { | 
|  | 187 | .dev_name = "mx3_camera.0", | 
|  | 188 | .supply = "cam_vcc", | 
|  | 189 | }, | 
|  | 190 | }; | 
|  | 191 |  | 
|  | 192 | static struct regulator_init_data cam_vreg_data = { | 
|  | 193 | .constraints = { | 
|  | 194 | .min_uV = 2700000, | 
|  | 195 | .max_uV = 3000000, | 
|  | 196 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | 
|  | 197 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | 
|  | 198 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | 
|  | 199 | REGULATOR_MODE_FAST, | 
|  | 200 | .always_on = 0, | 
|  | 201 | .boot_on = 1, | 
|  | 202 | }, | 
|  | 203 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | 
|  | 204 | .consumer_supplies = cam_consumers, | 
|  | 205 | }; | 
|  | 206 |  | 
|  | 207 | static struct mc13xxx_regulator_init_data moboard_regulators[] = { | 
|  | 208 | { | 
|  | 209 | .id = MC13783_REG_VMMC1, | 
|  | 210 | .init_data = &sdhc_vreg_data, | 
|  | 211 | }, | 
|  | 212 | { | 
|  | 213 | .id = MC13783_REG_VCAM, | 
|  | 214 | .init_data = &cam_vreg_data, | 
|  | 215 | }, | 
|  | 216 | }; | 
|  | 217 |  | 
|  | 218 | static struct mc13xxx_led_platform_data moboard_led[] = { | 
|  | 219 | { | 
|  | 220 | .id = MC13783_LED_R1, | 
|  | 221 | .name = "coreboard-led-4:red", | 
|  | 222 | }, | 
|  | 223 | { | 
|  | 224 | .id = MC13783_LED_G1, | 
|  | 225 | .name = "coreboard-led-4:green", | 
|  | 226 | }, | 
|  | 227 | { | 
|  | 228 | .id = MC13783_LED_B1, | 
|  | 229 | .name = "coreboard-led-4:blue", | 
|  | 230 | }, | 
|  | 231 | { | 
|  | 232 | .id = MC13783_LED_R2, | 
|  | 233 | .name = "coreboard-led-5:red", | 
|  | 234 | }, | 
|  | 235 | { | 
|  | 236 | .id = MC13783_LED_G2, | 
|  | 237 | .name = "coreboard-led-5:green", | 
|  | 238 | }, | 
|  | 239 | { | 
|  | 240 | .id = MC13783_LED_B2, | 
|  | 241 | .name = "coreboard-led-5:blue", | 
|  | 242 | }, | 
|  | 243 | }; | 
|  | 244 |  | 
|  | 245 | static struct mc13xxx_leds_platform_data moboard_leds = { | 
|  | 246 | .num_leds = ARRAY_SIZE(moboard_led), | 
|  | 247 | .led = moboard_led, | 
|  | 248 | .led_control[0]	= MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0), | 
|  | 249 | .led_control[1]	= MC13783_LED_C1_SLEWLIM, | 
|  | 250 | .led_control[2]	= MC13783_LED_C2_SLEWLIM, | 
|  | 251 | .led_control[3]	= MC13783_LED_C3_PERIOD(0) | | 
|  | 252 | MC13783_LED_C3_CURRENT_R1(2) | | 
|  | 253 | MC13783_LED_C3_CURRENT_G1(2) | | 
|  | 254 | MC13783_LED_C3_CURRENT_B1(2), | 
|  | 255 | .led_control[4]	= MC13783_LED_C4_PERIOD(0) | | 
|  | 256 | MC13783_LED_C4_CURRENT_R2(3) | | 
|  | 257 | MC13783_LED_C4_CURRENT_G2(3) | | 
|  | 258 | MC13783_LED_C4_CURRENT_B2(3), | 
|  | 259 | }; | 
|  | 260 |  | 
|  | 261 | static struct mc13xxx_buttons_platform_data moboard_buttons = { | 
|  | 262 | .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE | | 
|  | 263 | MC13783_BUTTON_POL_INVERT, | 
|  | 264 | .b1on_key = KEY_POWER, | 
|  | 265 | }; | 
|  | 266 |  | 
|  | 267 | static struct mc13xxx_codec_platform_data moboard_codec = { | 
|  | 268 | .dac_ssi_port = MC13783_SSI1_PORT, | 
|  | 269 | .adc_ssi_port = MC13783_SSI1_PORT, | 
|  | 270 | }; | 
|  | 271 |  | 
|  | 272 | static struct mc13xxx_platform_data moboard_pmic = { | 
|  | 273 | .regulators = { | 
|  | 274 | .regulators = moboard_regulators, | 
|  | 275 | .num_regulators = ARRAY_SIZE(moboard_regulators), | 
|  | 276 | }, | 
|  | 277 | .leds = &moboard_leds, | 
|  | 278 | .buttons = &moboard_buttons, | 
|  | 279 | .codec = &moboard_codec, | 
|  | 280 | .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC, | 
|  | 281 | }; | 
|  | 282 |  | 
|  | 283 | static struct imx_ssi_platform_data moboard_ssi_pdata = { | 
|  | 284 | .flags = IMX_SSI_DMA | IMX_SSI_NET, | 
|  | 285 | }; | 
|  | 286 |  | 
|  | 287 | static struct spi_board_info moboard_spi_board_info[] __initdata = { | 
|  | 288 | { | 
|  | 289 | .modalias = "mc13783", | 
|  | 290 | /* irq number is run-time assigned */ | 
|  | 291 | .max_speed_hz = 300000, | 
|  | 292 | .bus_num = 1, | 
|  | 293 | .chip_select = 0, | 
|  | 294 | .platform_data = &moboard_pmic, | 
|  | 295 | .mode = SPI_CS_HIGH, | 
|  | 296 | }, | 
|  | 297 | }; | 
|  | 298 |  | 
|  | 299 | static const struct spi_imx_master moboard_spi2_pdata __initconst = { | 
|  | 300 | .num_chipselect	= 2, | 
|  | 301 | }; | 
|  | 302 |  | 
|  | 303 | #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) | 
|  | 304 | #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) | 
|  | 305 |  | 
|  | 306 | static int moboard_sdhc1_get_ro(struct device *dev) | 
|  | 307 | { | 
|  | 308 | return !gpio_get_value(SDHC1_WP); | 
|  | 309 | } | 
|  | 310 |  | 
|  | 311 | static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq, | 
|  | 312 | void *data) | 
|  | 313 | { | 
|  | 314 | int ret; | 
|  | 315 |  | 
|  | 316 | ret = gpio_request(SDHC1_CD, "sdhc-detect"); | 
|  | 317 | if (ret) | 
|  | 318 | return ret; | 
|  | 319 |  | 
|  | 320 | gpio_direction_input(SDHC1_CD); | 
|  | 321 |  | 
|  | 322 | ret = gpio_request(SDHC1_WP, "sdhc-wp"); | 
|  | 323 | if (ret) | 
|  | 324 | goto err_gpio_free; | 
|  | 325 | gpio_direction_input(SDHC1_WP); | 
|  | 326 |  | 
|  | 327 | ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq, | 
|  | 328 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | 
|  | 329 | "sdhc1-card-detect", data); | 
|  | 330 | if (ret) | 
|  | 331 | goto err_gpio_free_2; | 
|  | 332 |  | 
|  | 333 | return 0; | 
|  | 334 |  | 
|  | 335 | err_gpio_free_2: | 
|  | 336 | gpio_free(SDHC1_WP); | 
|  | 337 | err_gpio_free: | 
|  | 338 | gpio_free(SDHC1_CD); | 
|  | 339 |  | 
|  | 340 | return ret; | 
|  | 341 | } | 
|  | 342 |  | 
|  | 343 | static void moboard_sdhc1_exit(struct device *dev, void *data) | 
|  | 344 | { | 
|  | 345 | free_irq(gpio_to_irq(SDHC1_CD), data); | 
|  | 346 | gpio_free(SDHC1_WP); | 
|  | 347 | gpio_free(SDHC1_CD); | 
|  | 348 | } | 
|  | 349 |  | 
|  | 350 | static const struct imxmmc_platform_data sdhc1_pdata __initconst = { | 
|  | 351 | .get_ro	= moboard_sdhc1_get_ro, | 
|  | 352 | .init	= moboard_sdhc1_init, | 
|  | 353 | .exit	= moboard_sdhc1_exit, | 
|  | 354 | }; | 
|  | 355 |  | 
|  | 356 | /* | 
|  | 357 | * this pin is dedicated for all mx31moboard systems, so we do it here | 
|  | 358 | */ | 
|  | 359 | #define USB_RESET_B	IOMUX_TO_GPIO(MX31_PIN_GPIO1_0) | 
|  | 360 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ | 
|  | 361 | PAD_CTL_ODE_CMOS) | 
|  | 362 |  | 
|  | 363 | #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) | 
|  | 364 | #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) | 
|  | 365 |  | 
|  | 366 | static void usb_xcvr_reset(void) | 
|  | 367 | { | 
|  | 368 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 369 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 370 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 371 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 372 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 373 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 374 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 375 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 376 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 377 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 378 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 379 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 380 |  | 
|  | 381 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); | 
|  | 382 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 383 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 384 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 385 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU); | 
|  | 386 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 387 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 388 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 389 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 390 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 391 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 392 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 393 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD); | 
|  | 394 |  | 
|  | 395 | gpio_request(OTG_EN_B, "usb-udc-en"); | 
|  | 396 | gpio_direction_output(OTG_EN_B, 0); | 
|  | 397 | gpio_request(USBH2_EN_B, "usbh2-en"); | 
|  | 398 | gpio_direction_output(USBH2_EN_B, 0); | 
|  | 399 |  | 
|  | 400 | gpio_request(USB_RESET_B, "usb-reset"); | 
|  | 401 | gpio_direction_output(USB_RESET_B, 0); | 
|  | 402 | mdelay(1); | 
|  | 403 | gpio_set_value(USB_RESET_B, 1); | 
|  | 404 | mdelay(1); | 
|  | 405 | } | 
|  | 406 |  | 
|  | 407 | static int moboard_usbh2_init_hw(struct platform_device *pdev) | 
|  | 408 | { | 
|  | 409 | return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); | 
|  | 410 | } | 
|  | 411 |  | 
|  | 412 | static struct mxc_usbh_platform_data usbh2_pdata __initdata = { | 
|  | 413 | .init	= moboard_usbh2_init_hw, | 
|  | 414 | .portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | 
|  | 415 | }; | 
|  | 416 |  | 
|  | 417 | static int __init moboard_usbh2_init(void) | 
|  | 418 | { | 
|  | 419 | struct platform_device *pdev; | 
|  | 420 |  | 
|  | 421 | usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | | 
|  | 422 | ULPI_OTG_DRVVBUS_EXT); | 
|  | 423 | if (!usbh2_pdata.otg) | 
|  | 424 | return -ENODEV; | 
|  | 425 |  | 
|  | 426 | pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata); | 
|  | 427 |  | 
|  | 428 | return PTR_ERR_OR_ZERO(pdev); | 
|  | 429 | } | 
|  | 430 |  | 
|  | 431 | static const struct gpio_led mx31moboard_leds[] __initconst = { | 
|  | 432 | { | 
|  | 433 | .name	= "coreboard-led-0:red:running", | 
|  | 434 | .default_trigger = "heartbeat", | 
|  | 435 | .gpio	= IOMUX_TO_GPIO(MX31_PIN_SVEN0), | 
|  | 436 | }, { | 
|  | 437 | .name	= "coreboard-led-1:red", | 
|  | 438 | .gpio	= IOMUX_TO_GPIO(MX31_PIN_STX0), | 
|  | 439 | }, { | 
|  | 440 | .name	= "coreboard-led-2:red", | 
|  | 441 | .gpio	= IOMUX_TO_GPIO(MX31_PIN_SRX0), | 
|  | 442 | }, { | 
|  | 443 | .name	= "coreboard-led-3:red", | 
|  | 444 | .gpio	= IOMUX_TO_GPIO(MX31_PIN_SIMPD0), | 
|  | 445 | }, | 
|  | 446 | }; | 
|  | 447 |  | 
|  | 448 | static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = { | 
|  | 449 | .num_leds	= ARRAY_SIZE(mx31moboard_leds), | 
|  | 450 | .leds		= mx31moboard_leds, | 
|  | 451 | }; | 
|  | 452 |  | 
|  | 453 | static struct platform_device *devices[] __initdata = { | 
|  | 454 | &mx31moboard_flash, | 
|  | 455 | }; | 
|  | 456 |  | 
|  | 457 | static struct mx3_camera_pdata camera_pdata __initdata = { | 
|  | 458 | .flags		= MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, | 
|  | 459 | .mclk_10khz	= 4800, | 
|  | 460 | }; | 
|  | 461 |  | 
|  | 462 | static phys_addr_t mx3_camera_base __initdata; | 
|  | 463 | #define MX3_CAMERA_BUF_SIZE SZ_4M | 
|  | 464 |  | 
|  | 465 | static int __init mx31moboard_init_cam(void) | 
|  | 466 | { | 
|  | 467 | int ret; | 
|  | 468 | struct platform_device *pdev; | 
|  | 469 |  | 
|  | 470 | imx31_add_ipu_core(); | 
|  | 471 |  | 
|  | 472 | pdev = imx31_alloc_mx3_camera(&camera_pdata); | 
|  | 473 | if (IS_ERR(pdev)) | 
|  | 474 | return PTR_ERR(pdev); | 
|  | 475 |  | 
|  | 476 | ret = dma_declare_coherent_memory(&pdev->dev, | 
|  | 477 | mx3_camera_base, mx3_camera_base, | 
|  | 478 | MX3_CAMERA_BUF_SIZE, | 
|  | 479 | DMA_MEMORY_EXCLUSIVE); | 
|  | 480 | if (ret) | 
|  | 481 | goto err; | 
|  | 482 |  | 
|  | 483 | ret = platform_device_add(pdev); | 
|  | 484 | if (ret) | 
|  | 485 | err: | 
|  | 486 | platform_device_put(pdev); | 
|  | 487 |  | 
|  | 488 | return ret; | 
|  | 489 |  | 
|  | 490 | } | 
|  | 491 |  | 
|  | 492 | static void mx31moboard_poweroff(void) | 
|  | 493 | { | 
|  | 494 | struct clk *clk = clk_get_sys("imx2-wdt.0", NULL); | 
|  | 495 |  | 
|  | 496 | if (!IS_ERR(clk)) | 
|  | 497 | clk_prepare_enable(clk); | 
|  | 498 |  | 
|  | 499 | mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST); | 
|  | 500 |  | 
|  | 501 | imx_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR)); | 
|  | 502 | } | 
|  | 503 |  | 
|  | 504 | static int mx31moboard_baseboard; | 
|  | 505 | core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); | 
|  | 506 |  | 
|  | 507 | /* | 
|  | 508 | * Board specific initialization. | 
|  | 509 | */ | 
|  | 510 | static void __init mx31moboard_init(void) | 
|  | 511 | { | 
|  | 512 | imx31_soc_init(); | 
|  | 513 |  | 
|  | 514 | mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), | 
|  | 515 | "moboard"); | 
|  | 516 |  | 
|  | 517 | platform_add_devices(devices, ARRAY_SIZE(devices)); | 
|  | 518 |  | 
|  | 519 | imx31_add_imx2_wdt(); | 
|  | 520 |  | 
|  | 521 | imx31_add_imx_uart0(&uart0_pdata); | 
|  | 522 | imx31_add_imx_uart4(&uart4_pdata); | 
|  | 523 |  | 
|  | 524 | imx31_add_imx_i2c0(&moboard_i2c0_data); | 
|  | 525 | imx31_add_imx_i2c1(&moboard_i2c1_data); | 
|  | 526 |  | 
|  | 527 | imx31_add_spi_imx1(&moboard_spi1_pdata); | 
|  | 528 | imx31_add_spi_imx2(&moboard_spi2_pdata); | 
|  | 529 |  | 
|  | 530 | mx31moboard_init_cam(); | 
|  | 531 |  | 
|  | 532 | imx31_add_imx_ssi(0, &moboard_ssi_pdata); | 
|  | 533 |  | 
|  | 534 | pm_power_off = mx31moboard_poweroff; | 
|  | 535 | } | 
|  | 536 |  | 
|  | 537 | static void __init mx31moboard_late(void) | 
|  | 538 | { | 
|  | 539 | gpio_led_register_device(-1, &mx31moboard_led_pdata); | 
|  | 540 |  | 
|  | 541 | moboard_uart0_init(); | 
|  | 542 |  | 
|  | 543 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); | 
|  | 544 | gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); | 
|  | 545 | moboard_spi_board_info[0].irq = | 
|  | 546 | gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); | 
|  | 547 | spi_register_board_info(moboard_spi_board_info, | 
|  | 548 | ARRAY_SIZE(moboard_spi_board_info)); | 
|  | 549 |  | 
|  | 550 | imx31_add_mxc_mmc(0, &sdhc1_pdata); | 
|  | 551 |  | 
|  | 552 | usb_xcvr_reset(); | 
|  | 553 | moboard_usbh2_init(); | 
|  | 554 |  | 
|  | 555 | imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0); | 
|  | 556 |  | 
|  | 557 | switch (mx31moboard_baseboard) { | 
|  | 558 | case MX31NOBOARD: | 
|  | 559 | break; | 
|  | 560 | case MX31DEVBOARD: | 
|  | 561 | mx31moboard_devboard_init(); | 
|  | 562 | break; | 
|  | 563 | case MX31MARXBOT: | 
|  | 564 | mx31moboard_marxbot_init(); | 
|  | 565 | break; | 
|  | 566 | case MX31SMARTBOT: | 
|  | 567 | case MX31EYEBOT: | 
|  | 568 | mx31moboard_smartbot_init(mx31moboard_baseboard); | 
|  | 569 | break; | 
|  | 570 | default: | 
|  | 571 | printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", | 
|  | 572 | mx31moboard_baseboard); | 
|  | 573 | } | 
|  | 574 | } | 
|  | 575 |  | 
|  | 576 | static void __init mx31moboard_timer_init(void) | 
|  | 577 | { | 
|  | 578 | mx31_clocks_init(26000000); | 
|  | 579 | } | 
|  | 580 |  | 
|  | 581 | static void __init mx31moboard_reserve(void) | 
|  | 582 | { | 
|  | 583 | /* reserve 4 MiB for mx3-camera */ | 
|  | 584 | mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE, | 
|  | 585 | MX3_CAMERA_BUF_SIZE); | 
|  | 586 | } | 
|  | 587 |  | 
|  | 588 | MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") | 
|  | 589 | /* Maintainer: Philippe Retornaz, EPFL Mobots group */ | 
|  | 590 | .atag_offset = 0x100, | 
|  | 591 | .reserve = mx31moboard_reserve, | 
|  | 592 | .map_io = mx31_map_io, | 
|  | 593 | .init_early = imx31_init_early, | 
|  | 594 | .init_irq = mx31_init_irq, | 
|  | 595 | .init_time	= mx31moboard_timer_init, | 
|  | 596 | .init_machine = mx31moboard_init, | 
|  | 597 | .init_late	= mx31moboard_late, | 
|  | 598 | .restart	= mxc_restart, | 
|  | 599 | MACHINE_END |