mach-scb9328.c
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/*
* linux/arch/arm/mach-mx1/mach-scb9328.c
*
* Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
* Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/interrupt.h>
#include <linux/dm9000.h>
#include <linux/gpio.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"
/*
* This scb9328 has a 32MiB flash
*/
static struct resource flash_resource = {
.start = MX1_CS0_PHYS,
.end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1,
.flags = IORESOURCE_MEM,
};
static struct physmap_flash_data scb_flash_data = {
.width = 2,
};
static struct platform_device scb_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &scb_flash_data,
},
.resource = &flash_resource,
.num_resources = 1,
};
/*
* scb9328 has a DM9000 network controller
* connected to CS5, with 16 bit data path
* and interrupt connected to GPIO 3
*/
/*
* internal datapath is fixed 16 bit
*/
static struct dm9000_plat_data dm9000_platdata = {
.flags = DM9000_PLATF_16BITONLY,
};
/*
* the DM9000 drivers wants two defined address spaces
* to gain access to address latch registers and the data path.
*/
static struct resource dm9000x_resources[] = {
{
.name = "address area",
.start = MX1_CS5_PHYS,
.end = MX1_CS5_PHYS + 1,
.flags = IORESOURCE_MEM, /* address access */
}, {
.name = "data area",
.start = MX1_CS5_PHYS + 4,
.end = MX1_CS5_PHYS + 5,
.flags = IORESOURCE_MEM, /* data access */
}, {
/* irq number is run-time assigned */
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device dm9000x_device = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(dm9000x_resources),
.resource = dm9000x_resources,
.dev = {
.platform_data = &dm9000_platdata,
}
};
static const int mxc_uart1_pins[] = {
PC9_PF_UART1_CTS,
PC10_PF_UART1_RTS,
PC11_PF_UART1_TXD,
PC12_PF_UART1_RXD,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct platform_device *devices[] __initdata = {
&scb_flash_device,
&dm9000x_device,
};
/*
* scb9328_init - Init the CPU card itself
*/
static void __init scb9328_init(void)
{
imx1_soc_init();
mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
ARRAY_SIZE(mxc_uart1_pins), "UART1");
imx1_add_imx_uart0(&uart_pdata);
printk(KERN_INFO"Scb9328: Adding devices\n");
dm9000x_resources[2].start = gpio_to_irq(IMX_GPIO_NR(3, 3));
dm9000x_resources[2].end = gpio_to_irq(IMX_GPIO_NR(3, 3));
platform_add_devices(devices, ARRAY_SIZE(devices));
}
static void __init scb9328_timer_init(void)
{
mx1_clocks_init(32000);
}
MACHINE_START(SCB9328, "Synertronixx scb9328")
/* Sascha Hauer */
.atag_offset = 100,
.map_io = mx1_map_io,
.init_early = imx1_init_early,
.init_irq = mx1_init_irq,
.handle_irq = imx1_handle_irq,
.init_time = scb9328_timer_init,
.init_machine = scb9328_init,
.restart = mxc_restart,
MACHINE_END