228 lines
5.8 KiB
C
228 lines
5.8 KiB
C
/*
|
|
* Copyright (C) 2010 Eric Benard - eric@eukrea.com
|
|
* Copyright (C) 2009 Sascha Hauer, Pengutronix
|
|
*
|
|
* 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/types.h>
|
|
#include <linux/init.h>
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/physmap.h>
|
|
#include <linux/memory.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c/tsc2007.h>
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/usb/ulpi.h>
|
|
#include <linux/fsl_devices.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/board-eukrea_cpuimx35.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/common.h>
|
|
#include <mach/iomux-mx35.h>
|
|
#include <mach/mxc_nand.h>
|
|
#include <mach/mxc_ehci.h>
|
|
#include <mach/ulpi.h>
|
|
|
|
#include "devices-imx35.h"
|
|
#include "devices.h"
|
|
|
|
static const struct imxuart_platform_data uart_pdata __initconst = {
|
|
.flags = IMXUART_HAVE_RTSCTS,
|
|
};
|
|
|
|
static const struct imxi2c_platform_data
|
|
eukrea_cpuimx35_i2c0_data __initconst = {
|
|
.bitrate = 50000,
|
|
};
|
|
|
|
#define TSC2007_IRQGPIO (2 * 32 + 2)
|
|
static int ts_get_pendown_state(void)
|
|
{
|
|
int val = 0;
|
|
gpio_free(TSC2007_IRQGPIO);
|
|
gpio_request(TSC2007_IRQGPIO, NULL);
|
|
gpio_direction_input(TSC2007_IRQGPIO);
|
|
|
|
val = gpio_get_value(TSC2007_IRQGPIO);
|
|
|
|
gpio_free(TSC2007_IRQGPIO);
|
|
gpio_request(TSC2007_IRQGPIO, NULL);
|
|
|
|
return val ? 0 : 1;
|
|
}
|
|
|
|
static int ts_init(void)
|
|
{
|
|
gpio_request(TSC2007_IRQGPIO, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static struct tsc2007_platform_data tsc2007_info = {
|
|
.model = 2007,
|
|
.x_plate_ohms = 180,
|
|
.get_pendown_state = ts_get_pendown_state,
|
|
.init_platform_hw = ts_init,
|
|
};
|
|
|
|
static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("pcf8563", 0x51),
|
|
}, {
|
|
I2C_BOARD_INFO("tsc2007", 0x48),
|
|
.type = "tsc2007",
|
|
.platform_data = &tsc2007_info,
|
|
.irq = gpio_to_irq(TSC2007_IRQGPIO),
|
|
},
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&mxc_fec_device,
|
|
&imx_wdt_device0,
|
|
};
|
|
|
|
static struct pad_desc eukrea_cpuimx35_pads[] = {
|
|
/* UART1 */
|
|
MX35_PAD_CTS1__UART1_CTS,
|
|
MX35_PAD_RTS1__UART1_RTS,
|
|
MX35_PAD_TXD1__UART1_TXD_MUX,
|
|
MX35_PAD_RXD1__UART1_RXD_MUX,
|
|
/* FEC */
|
|
MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
|
|
MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
|
|
MX35_PAD_FEC_RX_DV__FEC_RX_DV,
|
|
MX35_PAD_FEC_COL__FEC_COL,
|
|
MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
|
|
MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
|
|
MX35_PAD_FEC_TX_EN__FEC_TX_EN,
|
|
MX35_PAD_FEC_MDC__FEC_MDC,
|
|
MX35_PAD_FEC_MDIO__FEC_MDIO,
|
|
MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
|
|
MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
|
|
MX35_PAD_FEC_CRS__FEC_CRS,
|
|
MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
|
|
MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
|
|
MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
|
|
MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
|
|
MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
|
|
MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
|
|
/* I2C1 */
|
|
MX35_PAD_I2C1_CLK__I2C1_SCL,
|
|
MX35_PAD_I2C1_DAT__I2C1_SDA,
|
|
/* TSC2007 IRQ */
|
|
MX35_PAD_ATA_DA2__GPIO3_2,
|
|
};
|
|
|
|
static const struct mxc_nand_platform_data
|
|
eukrea_cpuimx35_nand_board_info __initconst = {
|
|
.width = 1,
|
|
.hw_ecc = 1,
|
|
.flash_bbt = 1,
|
|
};
|
|
|
|
static struct mxc_usbh_platform_data otg_pdata = {
|
|
.portsc = MXC_EHCI_MODE_UTMI,
|
|
.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
|
|
};
|
|
|
|
static struct mxc_usbh_platform_data usbh1_pdata = {
|
|
.portsc = MXC_EHCI_MODE_SERIAL,
|
|
.flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
|
|
MXC_EHCI_IPPUE_DOWN,
|
|
};
|
|
|
|
static struct fsl_usb2_platform_data otg_device_pdata = {
|
|
.operating_mode = FSL_USB2_DR_DEVICE,
|
|
.phy_mode = FSL_USB2_PHY_UTMI,
|
|
};
|
|
|
|
static int otg_mode_host;
|
|
|
|
static int __init eukrea_cpuimx35_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_cpuimx35_otg_mode);
|
|
|
|
/*
|
|
* Board specific initialization.
|
|
*/
|
|
static void __init mxc_board_init(void)
|
|
{
|
|
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
|
|
ARRAY_SIZE(eukrea_cpuimx35_pads));
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
imx35_add_imx_uart0(&uart_pdata);
|
|
imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
|
|
|
|
i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
|
|
ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
|
|
imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
|
|
|
|
#if defined(CONFIG_USB_ULPI)
|
|
if (otg_mode_host) {
|
|
otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
|
|
USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
|
|
|
|
mxc_register_device(&mxc_otg_host, &otg_pdata);
|
|
}
|
|
mxc_register_device(&mxc_usbh1, &usbh1_pdata);
|
|
#endif
|
|
if (!otg_mode_host)
|
|
mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
|
|
|
|
#ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD
|
|
eukrea_mbimxsd_baseboard_init();
|
|
#endif
|
|
}
|
|
|
|
static void __init eukrea_cpuimx35_timer_init(void)
|
|
{
|
|
mx35_clocks_init();
|
|
}
|
|
|
|
struct sys_timer eukrea_cpuimx35_timer = {
|
|
.init = eukrea_cpuimx35_timer_init,
|
|
};
|
|
|
|
MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")
|
|
/* Maintainer: Eukrea Electromatique */
|
|
.phys_io = MX35_AIPS1_BASE_ADDR,
|
|
.io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
|
|
.boot_params = MX3x_PHYS_OFFSET + 0x100,
|
|
.map_io = mx35_map_io,
|
|
.init_irq = mx35_init_irq,
|
|
.init_machine = mxc_board_init,
|
|
.timer = &eukrea_cpuimx35_timer,
|
|
MACHINE_END
|