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/*
* arch/arm/mach-imx/mx1ads.c
*
* Initially based on:
* linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
* Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
*
* 2004 (c) MontaVista Software, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/i2c.h>
#include <mach/imx-uart.h>
#include <mach/iomux.h>
#include <mach/irqs.h>
#include "devices.h"
/*
* UARTs platform data
*/
static int mxc_uart1_pins[] = {
PC9_PF_UART1_CTS,
PC10_PF_UART1_RTS,
PC11_PF_UART1_TXD,
PC12_PF_UART1_RXD,
};
static int uart1_mxc_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
ARRAY_SIZE(mxc_uart1_pins), "UART1");
}
static int uart1_mxc_exit(struct platform_device *pdev)
{
mxc_gpio_release_multiple_pins(mxc_uart1_pins,
ARRAY_SIZE(mxc_uart1_pins));
return 0;
}
static int mxc_uart2_pins[] = {
PB28_PF_UART2_CTS,
PB29_PF_UART2_RTS,
PB30_PF_UART2_TXD,
PB31_PF_UART2_RXD,
};
static int uart2_mxc_init(struct platform_device *pdev)
{
return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
ARRAY_SIZE(mxc_uart2_pins), "UART2");
}
static int uart2_mxc_exit(struct platform_device *pdev)
{
mxc_gpio_release_multiple_pins(mxc_uart2_pins,
ARRAY_SIZE(mxc_uart2_pins));
return 0;
}
static struct imxuart_platform_data uart_pdata[] = {
{
.init = uart1_mxc_init,
.exit = uart1_mxc_exit,
.flags = IMXUART_HAVE_RTSCTS,
}, {
.init = uart2_mxc_init,
.exit = uart2_mxc_exit,
.flags = IMXUART_HAVE_RTSCTS,
},
};
/*
* Physmap flash
*/
static struct physmap_flash_data mx1ads_flash_data = {
.width = 4, /* bankwidth in bytes */
};
static struct resource flash_resource = {
.start = IMX_CS0_PHYS,
.end = IMX_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = 0,
.resource = &flash_resource,
.num_resources = 1,
};
/*
* I2C
*/
static int i2c_pins[] = {
PA15_PF_I2C_SDA,
PA16_PF_I2C_SCL,
};
static int i2c_init(struct device *dev)
{
return mxc_gpio_setup_multiple_pins(i2c_pins,
ARRAY_SIZE(i2c_pins), "I2C");
}
static void i2c_exit(struct device *dev)
{
mxc_gpio_release_multiple_pins(i2c_pins,
ARRAY_SIZE(i2c_pins));
}
static struct pcf857x_platform_data pcf857x_data[] = {
{
.gpio_base = 4 * 32,
}, {
.gpio_base = 4 * 32 + 16,
}
};
static struct imxi2c_platform_data mx1ads_i2c_data = {
.bitrate = 100000,
.init = i2c_init,
.exit = i2c_exit,
};
static struct i2c_board_info mx1ads_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf857x", 0x22),
.type = "pcf8575",
.platform_data = &pcf857x_data[0],
}, {
I2C_BOARD_INFO("pcf857x", 0x24),
.type = "pcf8575",
.platform_data = &pcf857x_data[1],
},
};
/*
* Board init
*/
static void __init mx1ads_init(void)
{
/* UART */
mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
/* Physmap flash */
mxc_register_device(&flash_device, &mx1ads_flash_data);
/* I2C */
i2c_register_board_info(0, mx1ads_i2c_devices,
ARRAY_SIZE(mx1ads_i2c_devices));
mxc_register_device(&imx_i2c_device, &mx1ads_i2c_data);
}
static void __init mx1ads_timer_init(void)
{
mx1_clocks_init(32000);
}
struct sys_timer mx1ads_timer = {
.init = mx1ads_timer_init,
};
MACHINE_START(MX1ADS, "Freescale MX1ADS")
/* Maintainer: Sascha Hauer, Pengutronix */
.phys_io = IMX_IO_PHYS,
.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mxc_map_io,
.init_irq = mxc_init_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
MACHINE_END
MACHINE_START(MXLADS, "Freescale MXLADS")
.phys_io = IMX_IO_PHYS,
.io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
.boot_params = PHYS_OFFSET + 0x100,
.map_io = mx1_map_io,
.init_irq = mxc_init_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
MACHINE_END
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