mach-mx1ads.c
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/*
* arch/arm/mach-imx/mach-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/iomux-mx1.h>
#include <mach/irqs.h>
#include "devices-imx1.h"
static const int mx1ads_pins[] __initconst = {
/* UART1 */
PC9_PF_UART1_CTS,
PC10_PF_UART1_RTS,
PC11_PF_UART1_TXD,
PC12_PF_UART1_RXD,
/* UART2 */
PB28_PF_UART2_CTS,
PB29_PF_UART2_RTS,
PB30_PF_UART2_TXD,
PB31_PF_UART2_RXD,
/* I2C */
PA15_PF_I2C_SDA,
PA16_PF_I2C_SCL,
/* SPI */
PC13_PF_SPI1_SPI_RDY,
PC14_PF_SPI1_SCLK,
PC15_PF_SPI1_SS,
PC16_PF_SPI1_MISO,
PC17_PF_SPI1_MOSI,
};
/*
* UARTs platform data
*/
static const struct imxuart_platform_data uart0_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static const struct imxuart_platform_data uart1_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
/*
* Physmap flash
*/
static const struct physmap_flash_data mx1ads_flash_data __initconst = {
.width = 4, /* bankwidth in bytes */
};
static const struct resource flash_resource __initconst = {
.start = MX1_CS0_PHYS,
.end = MX1_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
/*
* I2C
*/
static struct pcf857x_platform_data pcf857x_data[] = {
{
.gpio_base = 4 * 32,
}, {
.gpio_base = 4 * 32 + 16,
}
};
static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = {
.bitrate = 100000,
};
static struct i2c_board_info mx1ads_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8575", 0x22),
.platform_data = &pcf857x_data[0],
}, {
I2C_BOARD_INFO("pcf8575", 0x24),
.platform_data = &pcf857x_data[1],
},
};
/*
* Board init
*/
static void __init mx1ads_init(void)
{
imx1_soc_init();
mxc_gpio_setup_multiple_pins(mx1ads_pins,
ARRAY_SIZE(mx1ads_pins), "mx1ads");
/* UART */
imx1_add_imx_uart0(&uart0_pdata);
imx1_add_imx_uart1(&uart1_pdata);
/* Physmap flash */
platform_device_register_resndata(NULL, "physmap-flash", 0,
&flash_resource, 1,
&mx1ads_flash_data, sizeof(mx1ads_flash_data));
/* I2C */
i2c_register_board_info(0, mx1ads_i2c_devices,
ARRAY_SIZE(mx1ads_i2c_devices));
imx1_add_imx_i2c(&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 */
.atag_offset = 0x100,
.map_io = mx1_map_io,
.init_early = imx1_init_early,
.init_irq = mx1_init_irq,
.handle_irq = imx1_handle_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
.restart = mxc_restart,
MACHINE_END
MACHINE_START(MXLADS, "Freescale MXLADS")
.atag_offset = 0x100,
.map_io = mx1_map_io,
.init_early = imx1_init_early,
.init_irq = mx1_init_irq,
.handle_irq = imx1_handle_irq,
.timer = &mx1ads_timer,
.init_machine = mx1ads_init,
.restart = mxc_restart,
MACHINE_END