coyote-setup.c
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/*
* arch/arm/mach-ixp4xx/coyote-setup.c
*
* Board setup for ADI Engineering and IXDGP425 boards
*
* Copyright (C) 2003-2005 MontaVista Software, Inc.
*
* Author: Deepak Saxena <dsaxena@plexity.net>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/serial.h>
#include <linux/tty.h>
#include <linux/serial_8250.h>
#include <asm/types.h>
#include <asm/setup.h>
#include <asm/memory.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
#define COYOTE_IDE_BASE_VIRT 0xFFFE1000
#define COYOTE_IDE_REGION_SIZE 0x1000
#define COYOTE_IDE_DATA_PORT 0xFFFE10E0
#define COYOTE_IDE_CTRL_PORT 0xFFFE10FC
#define COYOTE_IDE_ERROR_PORT 0xFFFE10E2
#define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5
static struct flash_platform_data coyote_flash_data = {
.map_name = "cfi_probe",
.width = 2,
};
static struct resource coyote_flash_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device coyote_flash = {
.name = "IXP4XX-Flash",
.id = 0,
.dev = {
.platform_data = &coyote_flash_data,
},
.num_resources = 1,
.resource = &coyote_flash_resource,
};
static struct resource coyote_uart_resource = {
.start = IXP4XX_UART2_BASE_PHYS,
.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
.flags = IORESOURCE_MEM,
};
static struct plat_serial8250_port coyote_uart_data[] = {
{
.mapbase = IXP4XX_UART2_BASE_PHYS,
.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
.irq = IRQ_IXP4XX_UART2,
.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
.iotype = UPIO_MEM,
.regshift = 2,
.uartclk = IXP4XX_UART_XTAL,
},
{ },
};
static struct platform_device coyote_uart = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = coyote_uart_data,
},
.num_resources = 1,
.resource = &coyote_uart_resource,
};
static struct platform_device *coyote_devices[] __initdata = {
&coyote_flash,
&coyote_uart
};
static void __init coyote_init(void)
{
ixp4xx_sys_init();
coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
if (machine_is_ixdpg425()) {
coyote_uart_data[0].membase =
(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
}
platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
}
#ifdef CONFIG_ARCH_ADI_COYOTE
MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.init_time = ixp4xx_timer_init,
.atag_offset = 0x100,
.init_machine = coyote_init,
#if defined(CONFIG_PCI)
.dma_zone_size = SZ_64M,
#endif
.restart = ixp4xx_restart,
MACHINE_END
#endif
/*
* IXDPG425 is identical to Coyote except for which serial port
* is connected.
*/
#ifdef CONFIG_MACH_IXDPG425
MACHINE_START(IXDPG425, "Intel IXDPG425")
/* Maintainer: MontaVista Software, Inc. */
.map_io = ixp4xx_map_io,
.init_early = ixp4xx_init_early,
.init_irq = ixp4xx_init_irq,
.init_time = ixp4xx_timer_init,
.atag_offset = 0x100,
.init_machine = coyote_init,
.restart = ixp4xx_restart,
MACHINE_END
#endif