Logo Search packages:      
Sourcecode: linux version File versions  Download package

mach-cpuimx27.c

/*
 * Copyright (C) 2009 Eric Benard - eric@eukrea.com
 *
 * Based on pcm038.c which is :
 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#include <linux/i2c.h>
#include <linux/io.h>
#include <linux/mtd/plat-ram.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
#include <linux/serial_8250.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/eukrea-baseboards.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/iomux-mx27.h>
#include <mach/mxc_nand.h>
#include <mach/ulpi.h>

#include "devices-imx27.h"

static const int eukrea_cpuimx27_pins[] __initconst = {
      /* UART1 */
      PE12_PF_UART1_TXD,
      PE13_PF_UART1_RXD,
      PE14_PF_UART1_CTS,
      PE15_PF_UART1_RTS,
      /* UART4 */
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
      PB26_AF_UART4_RTS,
      PB28_AF_UART4_TXD,
      PB29_AF_UART4_CTS,
      PB31_AF_UART4_RXD,
#endif
      /* FEC */
      PD0_AIN_FEC_TXD0,
      PD1_AIN_FEC_TXD1,
      PD2_AIN_FEC_TXD2,
      PD3_AIN_FEC_TXD3,
      PD4_AOUT_FEC_RX_ER,
      PD5_AOUT_FEC_RXD1,
      PD6_AOUT_FEC_RXD2,
      PD7_AOUT_FEC_RXD3,
      PD8_AF_FEC_MDIO,
      PD9_AIN_FEC_MDC,
      PD10_AOUT_FEC_CRS,
      PD11_AOUT_FEC_TX_CLK,
      PD12_AOUT_FEC_RXD0,
      PD13_AOUT_FEC_RX_DV,
      PD14_AOUT_FEC_RX_CLK,
      PD15_AOUT_FEC_COL,
      PD16_AIN_FEC_TX_ER,
      PF23_AIN_FEC_TX_EN,
      /* I2C1 */
      PD17_PF_I2C_DATA,
      PD18_PF_I2C_CLK,
      /* SDHC2 */
#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
      PB4_PF_SD2_D0,
      PB5_PF_SD2_D1,
      PB6_PF_SD2_D2,
      PB7_PF_SD2_D3,
      PB8_PF_SD2_CMD,
      PB9_PF_SD2_CLK,
#endif
#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
      /* Quad UART's IRQ */
      GPIO_PORTB | 22 | GPIO_GPIO | GPIO_IN,
      GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN,
      GPIO_PORTB | 27 | GPIO_GPIO | GPIO_IN,
      GPIO_PORTB | 30 | GPIO_GPIO | GPIO_IN,
#endif
      /* OTG */
      PC7_PF_USBOTG_DATA5,
      PC8_PF_USBOTG_DATA6,
      PC9_PF_USBOTG_DATA0,
      PC10_PF_USBOTG_DATA2,
      PC11_PF_USBOTG_DATA1,
      PC12_PF_USBOTG_DATA4,
      PC13_PF_USBOTG_DATA3,
      PE0_PF_USBOTG_NXT,
      PE1_PF_USBOTG_STP,
      PE2_PF_USBOTG_DIR,
      PE24_PF_USBOTG_CLK,
      PE25_PF_USBOTG_DATA7,
      /* USBH2 */
      PA0_PF_USBH2_CLK,
      PA1_PF_USBH2_DIR,
      PA2_PF_USBH2_DATA7,
      PA3_PF_USBH2_NXT,
      PA4_PF_USBH2_STP,
      PD19_AF_USBH2_DATA4,
      PD20_AF_USBH2_DATA3,
      PD21_AF_USBH2_DATA6,
      PD22_AF_USBH2_DATA0,
      PD23_AF_USBH2_DATA2,
      PD24_AF_USBH2_DATA1,
      PD26_AF_USBH2_DATA5,
};

static struct physmap_flash_data eukrea_cpuimx27_flash_data = {
      .width = 2,
};

static struct resource eukrea_cpuimx27_flash_resource = {
      .start = 0xc0000000,
      .end   = 0xc3ffffff,
      .flags = IORESOURCE_MEM,
};

static struct platform_device eukrea_cpuimx27_nor_mtd_device = {
      .name = "physmap-flash",
      .id = 0,
      .dev = {
            .platform_data = &eukrea_cpuimx27_flash_data,
      },
      .num_resources = 1,
      .resource = &eukrea_cpuimx27_flash_resource,
};

static const struct imxuart_platform_data uart_pdata __initconst = {
      .flags = IMXUART_HAVE_RTSCTS,
};

static const struct mxc_nand_platform_data
cpuimx27_nand_board_info __initconst = {
      .width = 1,
      .hw_ecc = 1,
};

static struct platform_device *platform_devices[] __initdata = {
      &eukrea_cpuimx27_nor_mtd_device,
};

static const struct imxi2c_platform_data cpuimx27_i2c1_data __initconst = {
      .bitrate = 100000,
};

static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
      {
            I2C_BOARD_INFO("pcf8563", 0x51),
      },
};

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
static struct plat_serial8250_port serial_platform_data[] = {
      {
            .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
            .irq = IRQ_GPIOB(23),
            .uartclk = 14745600,
            .regshift = 1,
            .iotype = UPIO_MEM,
            .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
      }, {
            .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
            .irq = IRQ_GPIOB(22),
            .uartclk = 14745600,
            .regshift = 1,
            .iotype = UPIO_MEM,
            .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
      }, {
            .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
            .irq = IRQ_GPIOB(27),
            .uartclk = 14745600,
            .regshift = 1,
            .iotype = UPIO_MEM,
            .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
      }, {
            .mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
            .irq = IRQ_GPIOB(30),
            .uartclk = 14745600,
            .regshift = 1,
            .iotype = UPIO_MEM,
            .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
      }, {
      }
};

static struct platform_device serial_device = {
      .name = "serial8250",
      .id = 0,
      .dev = {
            .platform_data = serial_platform_data,
      },
};
#endif

#if defined(CONFIG_USB_ULPI)
static struct mxc_usbh_platform_data otg_pdata __initdata = {
      .portsc     = MXC_EHCI_MODE_ULPI,
      .flags      = MXC_EHCI_INTERFACE_DIFF_UNI,
};

static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
      .portsc     = MXC_EHCI_MODE_ULPI,
      .flags      = MXC_EHCI_INTERFACE_DIFF_UNI,
};
#endif

static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
      .operating_mode = FSL_USB2_DR_DEVICE,
      .phy_mode       = FSL_USB2_PHY_ULPI,
};

static int otg_mode_host;

static int __init eukrea_cpuimx27_otg_mode(char *options)
{
      if (!strcmp(options, "host"))
            otg_mode_host = 1;
      else if (!strcmp(options, "device"))
            otg_mode_host = 0;
      else
            pr_info("otg_mode neither \"host\" nor \"device\". "
                  "Defaulting to device\n");
      return 0;
}
__setup("otg_mode=", eukrea_cpuimx27_otg_mode);

static void __init eukrea_cpuimx27_init(void)
{
      mxc_gpio_setup_multiple_pins(eukrea_cpuimx27_pins,
            ARRAY_SIZE(eukrea_cpuimx27_pins), "CPUIMX27");

      imx27_add_imx_uart0(&uart_pdata);

      imx27_add_mxc_nand(&cpuimx27_nand_board_info);

      i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
                        ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));

      imx27_add_imx_i2c(0, &cpuimx27_i2c1_data);

      imx27_add_fec(NULL);
      platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
      imx27_add_imx2_wdt(NULL);
      imx27_add_mxc_w1(NULL);

#if defined(CONFIG_MACH_EUKREA_CPUIMX27_USESDHC2)
      /* SDHC2 can be used for Wifi */
      imx27_add_mxc_mmc(1, NULL);
#endif
#if defined(MACH_EUKREA_CPUIMX27_USEUART4)
      /* in which case UART4 is also used for Bluetooth */
      imx27_add_imx_uart3(&uart_pdata);
#endif

#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
      platform_device_register(&serial_device);
#endif

#if defined(CONFIG_USB_ULPI)
      if (otg_mode_host) {
            otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
                        ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);

            imx27_add_mxc_ehci_otg(&otg_pdata);
      }

      usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
                        ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);

      imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
#endif
      if (!otg_mode_host)
            imx27_add_fsl_usb2_udc(&otg_device_pdata);

#ifdef CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD
      eukrea_mbimx27_baseboard_init();
#endif
}

static void __init eukrea_cpuimx27_timer_init(void)
{
      mx27_clocks_init(26000000);
}

static struct sys_timer eukrea_cpuimx27_timer = {
      .init = eukrea_cpuimx27_timer_init,
};

MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
      .boot_params    = MX27_PHYS_OFFSET + 0x100,
      .map_io         = mx27_map_io,
      .init_irq       = mx27_init_irq,
      .init_machine   = eukrea_cpuimx27_init,
      .timer          = &eukrea_cpuimx27_timer,
MACHINE_END

Generated by  Doxygen 1.6.0   Back to index