diff options
Diffstat (limited to 'arch/arm/mach-mx3/mach-mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mach-mx31moboard.c | 576 |
1 files changed, 0 insertions, 576 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c deleted file mode 100644 index 3a021b01161..00000000000 --- a/arch/arm/mach-mx3/mach-mx31moboard.c +++ /dev/null @@ -1,576 +0,0 @@ -/* - * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/gfp.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/leds.h> -#include <linux/memory.h> -#include <linux/mtd/physmap.h> -#include <linux/mtd/partitions.h> -#include <linux/platform_device.h> -#include <linux/regulator/machine.h> -#include <linux/mfd/mc13783.h> -#include <linux/spi/spi.h> -#include <linux/types.h> - -#include <linux/usb/otg.h> -#include <linux/usb/ulpi.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/mach/map.h> -#include <mach/board-mx31moboard.h> -#include <mach/common.h> -#include <mach/hardware.h> -#include <mach/iomux-mx3.h> -#include <mach/ipu.h> -#include <mach/mx3_camera.h> -#include <mach/spi.h> -#include <mach/ulpi.h> - -#include "devices-imx31.h" -#include "devices.h" - -static unsigned int moboard_pins[] = { - /* UART0 */ - MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, - MX31_PIN_CTS1__GPIO2_7, - /* UART4 */ - MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, - MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, - /* I2C0 */ - MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL, - /* I2C1 */ - MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL, - /* SDHC1 */ - MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, - MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, - MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, - MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, - /* USB reset */ - MX31_PIN_GPIO1_0__GPIO1_0, - /* USB OTG */ - MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, - MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, - MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, - MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, - MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, - MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, - MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, - MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, - MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, - MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, - MX31_PIN_USB_OC__GPIO1_30, - /* USB H2 */ - MX31_PIN_USBH2_DATA0__USBH2_DATA0, - MX31_PIN_USBH2_DATA1__USBH2_DATA1, - MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, - MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, - MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, - MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, - MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, - MX31_PIN_SCK6__GPIO1_25, - /* LEDs */ - MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, - MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, - /* SPI1 */ - MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, - MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, - MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, - /* Atlas IRQ */ - MX31_PIN_GPIO1_3__GPIO1_3, - /* SPI2 */ - MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, - MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, - MX31_PIN_CSPI2_SS1__CSPI3_SS1, -}; - -static struct physmap_flash_data mx31moboard_flash_data = { - .width = 2, -}; - -static struct resource mx31moboard_flash_resource = { - .start = 0xa0000000, - .end = 0xa1ffffff, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device mx31moboard_flash = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &mx31moboard_flash_data, - }, - .resource = &mx31moboard_flash_resource, - .num_resources = 1, -}; - -static int moboard_uart0_init(struct platform_device *pdev) -{ - int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); - if (ret) - return ret; - - ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); - if (ret) - gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); - - return ret; -} - -static void moboard_uart0_exit(struct platform_device *pdev) -{ - gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); -} - -static const struct imxuart_platform_data uart0_pdata __initconst = { - .init = moboard_uart0_init, - .exit = moboard_uart0_exit, -}; - -static const struct imxuart_platform_data uart4_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static const struct imxi2c_platform_data moboard_i2c0_data __initconst = { - .bitrate = 400000, -}; - -static const struct imxi2c_platform_data moboard_i2c1_data __initconst = { - .bitrate = 100000, -}; - -static int moboard_spi1_cs[] = { - MXC_SPI_CS(0), - MXC_SPI_CS(2), -}; - -static const struct spi_imx_master moboard_spi1_pdata __initconst = { - .chipselect = moboard_spi1_cs, - .num_chipselect = ARRAY_SIZE(moboard_spi1_cs), -}; - -static struct regulator_consumer_supply sdhc_consumers[] = { - { - .dev_name = "mxc-mmc.0", - .supply = "sdhc0_vcc", - }, - { - .dev_name = "mxc-mmc.1", - .supply = "sdhc1_vcc", - }, -}; - -static struct regulator_init_data sdhc_vreg_data = { - .constraints = { - .min_uV = 2700000, - .max_uV = 3000000, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, - .valid_modes_mask = REGULATOR_MODE_NORMAL | - REGULATOR_MODE_FAST, - .always_on = 0, - .boot_on = 1, - }, - .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), - .consumer_supplies = sdhc_consumers, -}; - -static struct regulator_consumer_supply cam_consumers[] = { - { - .dev = &mx3_camera.dev, - .supply = "cam_vcc", - }, -}; - -static struct regulator_init_data cam_vreg_data = { - .constraints = { - .min_uV = 2700000, - .max_uV = 3000000, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | - REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, - .valid_modes_mask = REGULATOR_MODE_NORMAL | - REGULATOR_MODE_FAST, - .always_on = 0, - .boot_on = 1, - }, - .num_consumer_supplies = ARRAY_SIZE(cam_consumers), - .consumer_supplies = cam_consumers, -}; - -static struct mc13xxx_regulator_init_data moboard_regulators[] = { - { - .id = MC13783_REG_VMMC1, - .init_data = &sdhc_vreg_data, - }, - { - .id = MC13783_REG_VCAM, - .init_data = &cam_vreg_data, - }, -}; - -static struct mc13783_led_platform_data moboard_led[] = { - { - .id = MC13783_LED_R1, - .name = "coreboard-led-4:red", - .max_current = 2, - }, - { - .id = MC13783_LED_G1, - .name = "coreboard-led-4:green", - .max_current = 2, - }, - { - .id = MC13783_LED_B1, - .name = "coreboard-led-4:blue", - .max_current = 2, - }, - { - .id = MC13783_LED_R2, - .name = "coreboard-led-5:red", - .max_current = 3, - }, - { - .id = MC13783_LED_G2, - .name = "coreboard-led-5:green", - .max_current = 3, - }, - { - .id = MC13783_LED_B2, - .name = "coreboard-led-5:blue", - .max_current = 3, - }, -}; - -static struct mc13783_leds_platform_data moboard_leds = { - .num_leds = ARRAY_SIZE(moboard_led), - .led = moboard_led, - .flags = MC13783_LED_SLEWLIMTC, - .abmode = MC13783_LED_AB_DISABLED, - .tc1_period = MC13783_LED_PERIOD_10MS, - .tc2_period = MC13783_LED_PERIOD_10MS, -}; - -static struct mc13xxx_platform_data moboard_pmic = { - .regulators = { - .regulators = moboard_regulators, - .num_regulators = ARRAY_SIZE(moboard_regulators), - }, - .leds = &moboard_leds, - .flags = MC13XXX_USE_REGULATOR | MC13XXX_USE_RTC | - MC13XXX_USE_ADC | MC13XXX_USE_LED, -}; - -static struct spi_board_info moboard_spi_board_info[] __initdata = { - { - .modalias = "mc13783", - .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), - .max_speed_hz = 300000, - .bus_num = 1, - .chip_select = 0, - .platform_data = &moboard_pmic, - .mode = SPI_CS_HIGH, - }, -}; - -static int moboard_spi2_cs[] = { - MXC_SPI_CS(1), -}; - -static const struct spi_imx_master moboard_spi2_pdata __initconst = { - .chipselect = moboard_spi2_cs, - .num_chipselect = ARRAY_SIZE(moboard_spi2_cs), -}; - -#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) -#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) - -static int moboard_sdhc1_get_ro(struct device *dev) -{ - return !gpio_get_value(SDHC1_WP); -} - -static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq, - void *data) -{ - int ret; - - ret = gpio_request(SDHC1_CD, "sdhc-detect"); - if (ret) - return ret; - - gpio_direction_input(SDHC1_CD); - - ret = gpio_request(SDHC1_WP, "sdhc-wp"); - if (ret) - goto err_gpio_free; - gpio_direction_input(SDHC1_WP); - - ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq, - IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, - "sdhc1-card-detect", data); - if (ret) - goto err_gpio_free_2; - - return 0; - -err_gpio_free_2: - gpio_free(SDHC1_WP); -err_gpio_free: - gpio_free(SDHC1_CD); - - return ret; -} - -static void moboard_sdhc1_exit(struct device *dev, void *data) -{ - free_irq(gpio_to_irq(SDHC1_CD), data); - gpio_free(SDHC1_WP); - gpio_free(SDHC1_CD); -} - -static const struct imxmmc_platform_data sdhc1_pdata __initconst = { - .get_ro = moboard_sdhc1_get_ro, - .init = moboard_sdhc1_init, - .exit = moboard_sdhc1_exit, -}; - -/* - * this pin is dedicated for all mx31moboard systems, so we do it here - */ -#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0) -#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ - PAD_CTL_ODE_CMOS) - -#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) -#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) - -static void usb_xcvr_reset(void) -{ - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU); - - mxc_iomux_set_gpr(MUX_PGP_UH2, true); - mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU); - mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD); - mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD); - - gpio_request(OTG_EN_B, "usb-udc-en"); - gpio_direction_output(OTG_EN_B, 0); - gpio_request(USBH2_EN_B, "usbh2-en"); - gpio_direction_output(USBH2_EN_B, 0); - - gpio_request(USB_RESET_B, "usb-reset"); - gpio_direction_output(USB_RESET_B, 0); - mdelay(1); - gpio_set_value(USB_RESET_B, 1); - mdelay(1); -} - -static int moboard_usbh2_init_hw(struct platform_device *pdev) -{ - return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); -} - -static struct mxc_usbh_platform_data usbh2_pdata __initdata = { - .init = moboard_usbh2_init_hw, - .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, -}; - -static int __init moboard_usbh2_init(void) -{ - struct platform_device *pdev; - - usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | - ULPI_OTG_DRVVBUS_EXT); - if (!usbh2_pdata.otg) - return -ENODEV; - - pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); - - return 0; -} - -static struct gpio_led mx31moboard_leds[] = { - { - .name = "coreboard-led-0:red:running", - .default_trigger = "heartbeat", - .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0), - }, { - .name = "coreboard-led-1:red", - .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0), - }, { - .name = "coreboard-led-2:red", - .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0), - }, { - .name = "coreboard-led-3:red", - .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0), - }, -}; - -static struct gpio_led_platform_data mx31moboard_led_pdata = { - .num_leds = ARRAY_SIZE(mx31moboard_leds), - .leds = mx31moboard_leds, -}; - -static struct platform_device mx31moboard_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &mx31moboard_led_pdata, - }, -}; - -static struct ipu_platform_data mx3_ipu_data = { - .irq_base = MXC_IPU_IRQ_START, -}; - -static struct platform_device *devices[] __initdata = { - &mx31moboard_flash, - &mx31moboard_leds_device, -}; - -static struct mx3_camera_pdata camera_pdata = { - .dma_dev = &mx3_ipu.dev, - .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, - .mclk_10khz = 4800, -}; - -#define CAMERA_BUF_SIZE (4*1024*1024) - -static int __init mx31moboard_cam_alloc_dma(const size_t buf_size) -{ - dma_addr_t dma_handle; - void *buf; - int dma; - - if (buf_size < 2 * 1024 * 1024) - return -EINVAL; - - buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL); - if (!buf) { - pr_err("%s: cannot allocate camera buffer-memory\n", __func__); - return -ENOMEM; - } - - memset(buf, 0, buf_size); - - dma = dma_declare_coherent_memory(&mx3_camera.dev, - dma_handle, dma_handle, buf_size, - DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); - - /* The way we call dma_declare_coherent_memory only a malloc can fail */ - return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM; -} - -static int mx31moboard_baseboard; -core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); - -/* - * Board specific initialization. - */ -static void __init mx31moboard_init(void) -{ - mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), - "moboard"); - - platform_add_devices(devices, ARRAY_SIZE(devices)); - - imx31_add_imx_uart0(&uart0_pdata); - imx31_add_imx_uart4(&uart4_pdata); - - imx31_add_imx_i2c0(&moboard_i2c0_data); - imx31_add_imx_i2c1(&moboard_i2c1_data); - - imx31_add_spi_imx1(&moboard_spi1_pdata); - imx31_add_spi_imx2(&moboard_spi2_pdata); - - gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); - gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); - spi_register_board_info(moboard_spi_board_info, - ARRAY_SIZE(moboard_spi_board_info)); - - imx31_add_mxc_mmc(0, &sdhc1_pdata); - - mxc_register_device(&mx3_ipu, &mx3_ipu_data); - if (!mx31moboard_cam_alloc_dma(CAMERA_BUF_SIZE)) - mxc_register_device(&mx3_camera, &camera_pdata); - - usb_xcvr_reset(); - - moboard_usbh2_init(); - - switch (mx31moboard_baseboard) { - case MX31NOBOARD: - break; - case MX31DEVBOARD: - mx31moboard_devboard_init(); - break; - case MX31MARXBOT: - mx31moboard_marxbot_init(); - break; - case MX31SMARTBOT: - case MX31EYEBOT: - mx31moboard_smartbot_init(mx31moboard_baseboard); - break; - default: - printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", - mx31moboard_baseboard); - } -} - -static void __init mx31moboard_timer_init(void) -{ - mx31_clocks_init(26000000); -} - -struct sys_timer mx31moboard_timer = { - .init = mx31moboard_timer_init, -}; - -MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") - /* Maintainer: Valentin Longchamp, EPFL Mobots group */ - .boot_params = MX3x_PHYS_OFFSET + 0x100, - .map_io = mx31_map_io, - .init_early = imx31_init_early, - .init_irq = mx31_init_irq, - .timer = &mx31moboard_timer, - .init_machine = mx31moboard_init, -MACHINE_END |