622 lines
16 KiB
C
622 lines
16 KiB
C
/*
|
|
* 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/moduleparam.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/memblock.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/io.h>
|
|
#include <linux/err.h>
|
|
#include <linux/input.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 <asm/memblock.h>
|
|
#include <mach/board-mx31moboard.h>
|
|
#include <mach/common.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/iomux-mx3.h>
|
|
#include <mach/ulpi.h>
|
|
#include <linux/platform_data/asoc-imx-ssi.h>
|
|
|
|
#include "devices-imx31.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,
|
|
/* SSI */
|
|
MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
|
|
MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
|
|
};
|
|
|
|
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_name = "mx3_camera.0",
|
|
.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 mc13xxx_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 mc13xxx_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_buttons_platform_data moboard_buttons = {
|
|
.b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
|
|
MC13783_BUTTON_POL_INVERT,
|
|
.b1on_key = KEY_POWER,
|
|
};
|
|
|
|
static struct mc13xxx_codec_platform_data moboard_codec = {
|
|
.dac_ssi_port = MC13783_SSI1_PORT,
|
|
.adc_ssi_port = MC13783_SSI1_PORT,
|
|
};
|
|
|
|
static struct mc13xxx_platform_data moboard_pmic = {
|
|
.regulators = {
|
|
.regulators = moboard_regulators,
|
|
.num_regulators = ARRAY_SIZE(moboard_regulators),
|
|
},
|
|
.leds = &moboard_leds,
|
|
.buttons = &moboard_buttons,
|
|
.codec = &moboard_codec,
|
|
.flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
|
|
};
|
|
|
|
static struct imx_ssi_platform_data moboard_ssi_pdata = {
|
|
.flags = IMX_SSI_DMA | IMX_SSI_NET,
|
|
};
|
|
|
|
static struct spi_board_info moboard_spi_board_info[] __initdata = {
|
|
{
|
|
.modalias = "mc13783",
|
|
/* irq number is run-time assigned */
|
|
.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 const struct gpio_led mx31moboard_leds[] __initconst = {
|
|
{
|
|
.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 const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
|
|
.num_leds = ARRAY_SIZE(mx31moboard_leds),
|
|
.leds = mx31moboard_leds,
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&mx31moboard_flash,
|
|
};
|
|
|
|
static struct mx3_camera_pdata camera_pdata __initdata = {
|
|
.flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
|
|
.mclk_10khz = 4800,
|
|
};
|
|
|
|
static phys_addr_t mx3_camera_base __initdata;
|
|
#define MX3_CAMERA_BUF_SIZE SZ_4M
|
|
|
|
static int __init mx31moboard_init_cam(void)
|
|
{
|
|
int dma, ret = -ENOMEM;
|
|
struct platform_device *pdev;
|
|
|
|
imx31_add_ipu_core();
|
|
|
|
pdev = imx31_alloc_mx3_camera(&camera_pdata);
|
|
if (IS_ERR(pdev))
|
|
return PTR_ERR(pdev);
|
|
|
|
dma = dma_declare_coherent_memory(&pdev->dev,
|
|
mx3_camera_base, mx3_camera_base,
|
|
MX3_CAMERA_BUF_SIZE,
|
|
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
|
|
if (!(dma & DMA_MEMORY_MAP))
|
|
goto err;
|
|
|
|
ret = platform_device_add(pdev);
|
|
if (ret)
|
|
err:
|
|
platform_device_put(pdev);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
static void mx31moboard_poweroff(void)
|
|
{
|
|
struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
|
|
|
|
if (!IS_ERR(clk))
|
|
clk_prepare_enable(clk);
|
|
|
|
mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
|
|
|
|
__raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
|
|
}
|
|
|
|
static int mx31moboard_baseboard;
|
|
core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
|
|
|
|
/*
|
|
* Board specific initialization.
|
|
*/
|
|
static void __init mx31moboard_init(void)
|
|
{
|
|
imx31_soc_init();
|
|
|
|
mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
|
|
"moboard");
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
gpio_led_register_device(-1, &mx31moboard_led_pdata);
|
|
|
|
imx31_add_imx2_wdt();
|
|
|
|
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));
|
|
moboard_spi_board_info[0].irq =
|
|
gpio_to_irq(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);
|
|
|
|
mx31moboard_init_cam();
|
|
|
|
usb_xcvr_reset();
|
|
|
|
moboard_usbh2_init();
|
|
|
|
imx31_add_imx_ssi(0, &moboard_ssi_pdata);
|
|
|
|
imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
|
|
|
|
pm_power_off = mx31moboard_poweroff;
|
|
|
|
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);
|
|
}
|
|
|
|
static struct sys_timer mx31moboard_timer = {
|
|
.init = mx31moboard_timer_init,
|
|
};
|
|
|
|
static void __init mx31moboard_reserve(void)
|
|
{
|
|
/* reserve 4 MiB for mx3-camera */
|
|
mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
|
|
MX3_CAMERA_BUF_SIZE);
|
|
}
|
|
|
|
MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
|
|
/* Maintainer: Philippe Retornaz, EPFL Mobots group */
|
|
.atag_offset = 0x100,
|
|
.reserve = mx31moboard_reserve,
|
|
.map_io = mx31_map_io,
|
|
.init_early = imx31_init_early,
|
|
.init_irq = mx31_init_irq,
|
|
.handle_irq = imx31_handle_irq,
|
|
.timer = &mx31moboard_timer,
|
|
.init_machine = mx31moboard_init,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|