diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 336 |
1 files changed, 0 insertions, 336 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c deleted file mode 100644 index 9243de54041..00000000000 --- a/arch/arm/mach-mx3/mx31moboard.c +++ /dev/null @@ -1,336 +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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/delay.h> -#include <linux/fsl_devices.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/types.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/imx-uart.h> -#include <mach/iomux-mx3.h> -#include <mach/i2c.h> -#include <mach/mmc.h> -#include <mach/mx31.h> - -#include "devices.h" - -static unsigned int moboard_pins[] = { - /* UART0 */ - MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, - /* 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, - /* LEDs */ - MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, - MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, - /* SEL */ - MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9, - MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11, -}; - -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 struct imxuart_platform_data uart_pdata = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static struct imxi2c_platform_data moboard_i2c0_pdata = { - .bitrate = 400000, -}; - -static struct imxi2c_platform_data moboard_i2c1_pdata = { - .bitrate = 100000, -}; - -#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 struct imxmmc_platform_data sdhc1_pdata = { - .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) - -static void usb_xcvr_reset(void) -{ - gpio_request(USB_RESET_B, "usb-reset"); - gpio_direction_output(USB_RESET_B, 0); - mdelay(1); - gpio_set_value(USB_RESET_B, 1); -} - -#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ - PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) - -#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) - -static void moboard_usbotg_init(void) -{ - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); - mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); - - gpio_request(OTG_EN_B, "usb-udc-en"); - gpio_direction_output(OTG_EN_B, 0); -} - -static struct fsl_usb2_platform_data usb_pdata = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_ULPI, -}; - -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, - }, -}; - -#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1) -#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1) -#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1) -#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1) - -static void mx31moboard_init_sel_gpios(void) -{ - if (!gpio_request(SEL0, "sel0")) { - gpio_direction_input(SEL0); - gpio_export(SEL0, true); - } - - if (!gpio_request(SEL1, "sel1")) { - gpio_direction_input(SEL1); - gpio_export(SEL1, true); - } - - if (!gpio_request(SEL2, "sel2")) { - gpio_direction_input(SEL2); - gpio_export(SEL2, true); - } - - if (!gpio_request(SEL3, "sel3")) { - gpio_direction_input(SEL3); - gpio_export(SEL3, true); - } -} - -static struct platform_device *devices[] __initdata = { - &mx31moboard_flash, - &mx31moboard_leds_device, -}; - -static int mx31moboard_baseboard; -core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); - -/* - * Board specific initialization. - */ -static void __init mxc_board_init(void) -{ - mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), - "moboard"); - - platform_add_devices(devices, ARRAY_SIZE(devices)); - - mxc_register_device(&mxc_uart_device0, &uart_pdata); - mxc_register_device(&mxc_uart_device4, &uart_pdata); - - mx31moboard_init_sel_gpios(); - - mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata); - mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata); - - mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); - - usb_xcvr_reset(); - - moboard_usbotg_init(); - mxc_register_device(&mxc_otg_udc_device, &usb_pdata); - - switch (mx31moboard_baseboard) { - case MX31NOBOARD: - break; - case MX31DEVBOARD: - mx31moboard_devboard_init(); - break; - case MX31MARXBOT: - mx31moboard_marxbot_init(); - 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 */ - .phys_io = AIPS1_BASE_ADDR, - .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, - .boot_params = PHYS_OFFSET + 0x100, - .map_io = mx31_map_io, - .init_irq = mx31_init_irq, - .init_machine = mxc_board_init, - .timer = &mx31moboard_timer, -MACHINE_END - |