143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/*
|
||
|
|
* 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
|
||
|
|
|