mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
158 lines
3.5 KiB
C
158 lines
3.5 KiB
C
/*
|
|
* 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 <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-mx1.h>
|
|
|
|
#include "devices.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 */
|
|
}, {
|
|
.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 void uart1_mxc_exit(struct platform_device *pdev)
|
|
{
|
|
mxc_gpio_release_multiple_pins(mxc_uart1_pins,
|
|
ARRAY_SIZE(mxc_uart1_pins));
|
|
}
|
|
|
|
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(&imx1_uart_device0, &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 = mx1_init_irq,
|
|
.timer = &scb9328_timer,
|
|
.init_machine = scb9328_init,
|
|
MACHINE_END
|