CoCalc -- mach-mx1ads.c

GitHub Repository: awilliam/linux-vfio
Path: blob/master/arch/arm/mach-imx/mach-mx1ads.c
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/*
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 * arch/arm/mach-imx/mach-mx1ads.c
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 *
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 * Initially based on:
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 *	linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
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 *	Copyright (c) 2004 Sascha Hauer <[email protected]>
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 *
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 * 2004 (c) MontaVista Software, Inc.
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 *
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 * This file is licensed under the terms of the GNU General Public
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 * License version 2. This program is licensed "as is" without any
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 * warranty of any kind, whether express or implied.
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 */
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#include <linux/i2c.h>
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#include <linux/i2c/pcf857x.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <mach/common.h>
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#include <mach/hardware.h>
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#include <mach/iomux-mx1.h>
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#include <mach/irqs.h>
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#include "devices-imx1.h"
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static const int mx1ads_pins[] __initconst = {
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	/* UART1 */
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	PC9_PF_UART1_CTS,
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	PC10_PF_UART1_RTS,
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	PC11_PF_UART1_TXD,
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	PC12_PF_UART1_RXD,
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	/* UART2 */
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	PB28_PF_UART2_CTS,
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	PB29_PF_UART2_RTS,
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	PB30_PF_UART2_TXD,
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	PB31_PF_UART2_RXD,
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	/* I2C */
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	PA15_PF_I2C_SDA,
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	PA16_PF_I2C_SCL,
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	/* SPI */
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	PC13_PF_SPI1_SPI_RDY,
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	PC14_PF_SPI1_SCLK,
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	PC15_PF_SPI1_SS,
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	PC16_PF_SPI1_MISO,
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	PC17_PF_SPI1_MOSI,
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};
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/*
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 * UARTs platform data
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 */
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static const struct imxuart_platform_data uart0_pdata __initconst = {
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	.flags = IMXUART_HAVE_RTSCTS,
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};
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static const struct imxuart_platform_data uart1_pdata __initconst = {
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	.flags = IMXUART_HAVE_RTSCTS,
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};
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/*
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 * Physmap flash
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 */
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static struct physmap_flash_data mx1ads_flash_data = {
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	.width		= 4,		/* bankwidth in bytes */
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};
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static struct resource flash_resource = {
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	.start	= MX1_CS0_PHYS,
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	.end	= MX1_CS0_PHYS + SZ_32M - 1,
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	.flags	= IORESOURCE_MEM,
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};
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static struct platform_device flash_device = {
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	.name	= "physmap-flash",
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	.id	= 0,
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	.resource = &flash_resource,
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	.num_resources = 1,
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};
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/*
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 * I2C
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 */
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static struct pcf857x_platform_data pcf857x_data[] = {
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	{
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		.gpio_base = 4 * 32,
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	}, {
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		.gpio_base = 4 * 32 + 16,
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	}
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};
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static const struct imxi2c_platform_data mx1ads_i2c_data __initconst = {
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	.bitrate = 100000,
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};
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static struct i2c_board_info mx1ads_i2c_devices[] = {
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	{
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		I2C_BOARD_INFO("pcf8575", 0x22),
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		.platform_data = &pcf857x_data[0],
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	}, {
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		I2C_BOARD_INFO("pcf8575", 0x24),
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		.platform_data = &pcf857x_data[1],
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	},
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};
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/*
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 * Board init
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 */
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static void __init mx1ads_init(void)
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{
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	mxc_gpio_setup_multiple_pins(mx1ads_pins,
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		ARRAY_SIZE(mx1ads_pins), "mx1ads");
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	/* UART */
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	imx1_add_imx_uart0(&uart0_pdata);
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	imx1_add_imx_uart1(&uart1_pdata);
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	/* Physmap flash */
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	mxc_register_device(&flash_device, &mx1ads_flash_data);
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	/* I2C */
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	i2c_register_board_info(0, mx1ads_i2c_devices,
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				ARRAY_SIZE(mx1ads_i2c_devices));
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	imx1_add_imx_i2c(&mx1ads_i2c_data);
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}
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static void __init mx1ads_timer_init(void)
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{
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	mx1_clocks_init(32000);
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}
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struct sys_timer mx1ads_timer = {
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	.init	= mx1ads_timer_init,
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};
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MACHINE_START(MX1ADS, "Freescale MX1ADS")
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	/* Maintainer: Sascha Hauer, Pengutronix */
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	.boot_params = MX1_PHYS_OFFSET + 0x100,
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	.map_io = mx1_map_io,
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	.init_early = imx1_init_early,
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	.init_irq = mx1_init_irq,
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	.timer = &mx1ads_timer,
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	.init_machine = mx1ads_init,
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MACHINE_END
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MACHINE_START(MXLADS, "Freescale MXLADS")
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	.boot_params = MX1_PHYS_OFFSET + 0x100,
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	.map_io = mx1_map_io,
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	.init_early = imx1_init_early,
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	.init_irq = mx1_init_irq,
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	.timer = &mx1ads_timer,
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	.init_machine = mx1ads_init,
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MACHINE_END
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