157 lines
3.3 KiB
C
157 lines
3.3 KiB
C
/*
|
|
* 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 "common.h"
|
|
#include "devices-imx1.h"
|
|
#include "hardware.h"
|
|
#include "iomux-mx1.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);
|
|
}
|
|
|
|
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,
|
|
.init_time = mx1ads_timer_init,
|
|
.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,
|
|
.init_time = mx1ads_timer_init,
|
|
.init_machine = mx1ads_init,
|
|
.restart = mxc_restart,
|
|
MACHINE_END
|