cd4a05f9df
This allows us to have more mapping functions for more than one i.MX architecture in the kernel. As this is the earliest board specific hook we have, also use it to set the cpu type. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
160 lines
3.5 KiB
C
160 lines
3.5 KiB
C
/*
|
|
* linux/arch/arm/mach-mx1/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 <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/time.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/irqs.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/iomux.h>
|
|
|
|
#include "devices.h"
|
|
|
|
/*
|
|
* This scb9328 has a 32MiB flash
|
|
*/
|
|
static struct resource flash_resource = {
|
|
.start = IMX_CS0_PHYS,
|
|
.end = IMX_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[] = {
|
|
[0] = {
|
|
.name = "address area",
|
|
.start = IMX_CS5_PHYS,
|
|
.end = IMX_CS5_PHYS + 1,
|
|
.flags = IORESOURCE_MEM /* address access */
|
|
},
|
|
[1] = {
|
|
.name = "data area",
|
|
.start = IMX_CS5_PHYS + 4,
|
|
.end = IMX_CS5_PHYS + 5,
|
|
.flags = IORESOURCE_MEM /* data access */
|
|
},
|
|
[2] = {
|
|
.start = IRQ_GPIOC(3),
|
|
.end = IRQ_GPIOC(3),
|
|
.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 int mxc_uart1_pins[] = {
|
|
PC9_PF_UART1_CTS,
|
|
PC10_PF_UART1_RTS,
|
|
PC11_PF_UART1_TXD,
|
|
PC12_PF_UART1_RXD,
|
|
};
|
|
|
|
static int uart1_mxc_init(struct platform_device *pdev)
|
|
{
|
|
return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
|
|
ARRAY_SIZE(mxc_uart1_pins), "UART1");
|
|
}
|
|
|
|
static int uart1_mxc_exit(struct platform_device *pdev)
|
|
{
|
|
mxc_gpio_release_multiple_pins(mxc_uart1_pins,
|
|
ARRAY_SIZE(mxc_uart1_pins));
|
|
return 0;
|
|
}
|
|
|
|
static struct imxuart_platform_data uart_pdata = {
|
|
.init = uart1_mxc_init,
|
|
.exit = uart1_mxc_exit,
|
|
.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)
|
|
{
|
|
mxc_register_device(&imx_uart1_device, &uart_pdata);
|
|
|
|
printk(KERN_INFO"Scb9328: Adding devices\n");
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
static void __init scb9328_timer_init(void)
|
|
{
|
|
mx1_clocks_init(32000);
|
|
}
|
|
|
|
static struct sys_timer scb9328_timer = {
|
|
.init = scb9328_timer_init,
|
|
};
|
|
|
|
MACHINE_START(SCB9328, "Synertronixx scb9328")
|
|
/* Sascha Hauer */
|
|
.phys_io = 0x00200000,
|
|
.io_pg_offst = ((0xe0200000) >> 18) & 0xfffc,
|
|
.boot_params = 0x08000100,
|
|
.map_io = mx1_map_io,
|
|
.init_irq = mxc_init_irq,
|
|
.timer = &scb9328_timer,
|
|
.init_machine = scb9328_init,
|
|
MACHINE_END
|