149 строки
3.4 KiB
C
149 строки
3.4 KiB
C
/*
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* linux/arch/arm/mach-imx/mach-apf9328.c
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*
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* Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com>
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*
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* This work is based on mach-scb9328.c which is:
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* Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
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* Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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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 <linux/dm9000.h>
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#include <linux/gpio.h>
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#include <linux/i2c.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 "common.h"
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#include "devices-imx1.h"
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#include "hardware.h"
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#include "iomux-mx1.h"
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static const int apf9328_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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};
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/*
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* The APF9328 can have up to 32MB NOR Flash
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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 physmap_flash_data apf9328_flash_data = {
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.width = 2,
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};
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static struct platform_device apf9328_flash_device = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &apf9328_flash_data,
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},
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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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* APF9328 has a DM9000 Ethernet controller
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*/
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static struct dm9000_plat_data dm9000_setup = {
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.flags = DM9000_PLATF_16BITONLY
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};
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static struct resource dm9000_resources[] = {
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{
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.start = MX1_CS4_PHYS + 0x00C00000,
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.end = MX1_CS4_PHYS + 0x00C00001,
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.flags = IORESOURCE_MEM,
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}, {
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.start = MX1_CS4_PHYS + 0x00C00002,
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.end = MX1_CS4_PHYS + 0x00C00003,
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.flags = IORESOURCE_MEM,
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}, {
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/* irq number is run-time assigned */
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct platform_device dm9000x_device = {
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.name = "dm9000",
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.id = 0,
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.num_resources = ARRAY_SIZE(dm9000_resources),
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.resource = dm9000_resources,
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.dev = {
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.platform_data = &dm9000_setup,
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}
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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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static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
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.bitrate = 100000,
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};
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static struct platform_device *devices[] __initdata = {
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&apf9328_flash_device,
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&dm9000x_device,
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};
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static void __init apf9328_init(void)
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{
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imx1_soc_init();
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mxc_gpio_setup_multiple_pins(apf9328_pins,
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ARRAY_SIZE(apf9328_pins),
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"APF9328");
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imx1_add_imx_uart0(NULL);
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imx1_add_imx_uart1(&uart1_pdata);
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imx1_add_imx_i2c(&apf9328_i2c_data);
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dm9000_resources[2].start = gpio_to_irq(IMX_GPIO_NR(2, 14));
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dm9000_resources[2].end = gpio_to_irq(IMX_GPIO_NR(2, 14));
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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static void __init apf9328_timer_init(void)
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{
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mx1_clocks_init(32768);
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}
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MACHINE_START(APF9328, "Armadeus APF9328")
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/* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
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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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.init_time = apf9328_timer_init,
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.init_machine = apf9328_init,
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.restart = mxc_restart,
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MACHINE_END
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