mirror of https://gitee.com/openkylin/linux.git
145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* arch/arm/mach-ixp4xx/coyote-setup.c
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*
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* Board setup for ADI Engineering and IXDGP425 boards
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*
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* Copyright (C) 2003-2005 MontaVista Software, Inc.
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*
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* Author: Deepak Saxena <dsaxena@plexity.net>
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/serial.h>
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#include <linux/tty.h>
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#include <linux/serial_8250.h>
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#include <asm/types.h>
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#include <asm/setup.h>
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#include <asm/memory.h>
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#include <mach/hardware.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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#include "irqs.h"
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#define COYOTE_IDE_BASE_PHYS IXP4XX_EXP_BUS_BASE(3)
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#define COYOTE_IDE_BASE_VIRT 0xFFFE1000
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#define COYOTE_IDE_REGION_SIZE 0x1000
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#define COYOTE_IDE_DATA_PORT 0xFFFE10E0
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#define COYOTE_IDE_CTRL_PORT 0xFFFE10FC
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#define COYOTE_IDE_ERROR_PORT 0xFFFE10E2
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#define IRQ_COYOTE_IDE IRQ_IXP4XX_GPIO5
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static struct flash_platform_data coyote_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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};
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static struct resource coyote_flash_resource = {
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device coyote_flash = {
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.name = "IXP4XX-Flash",
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.id = 0,
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.dev = {
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.platform_data = &coyote_flash_data,
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},
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.num_resources = 1,
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.resource = &coyote_flash_resource,
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};
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static struct resource coyote_uart_resource = {
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.start = IXP4XX_UART2_BASE_PHYS,
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.end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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.flags = IORESOURCE_MEM,
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};
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static struct plat_serial8250_port coyote_uart_data[] = {
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{
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.mapbase = IXP4XX_UART2_BASE_PHYS,
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.membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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.irq = IRQ_IXP4XX_UART2,
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.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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.iotype = UPIO_MEM,
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.regshift = 2,
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.uartclk = IXP4XX_UART_XTAL,
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},
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{ },
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};
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static struct platform_device coyote_uart = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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.dev = {
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.platform_data = coyote_uart_data,
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},
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.num_resources = 1,
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.resource = &coyote_uart_resource,
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};
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static struct platform_device *coyote_devices[] __initdata = {
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&coyote_flash,
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&coyote_uart
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};
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static void __init coyote_init(void)
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{
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ixp4xx_sys_init();
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coyote_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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coyote_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
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*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
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*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
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if (machine_is_ixdpg425()) {
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coyote_uart_data[0].membase =
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(char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET);
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coyote_uart_data[0].mapbase = IXP4XX_UART1_BASE_PHYS;
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coyote_uart_data[0].irq = IRQ_IXP4XX_UART1;
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}
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platform_add_devices(coyote_devices, ARRAY_SIZE(coyote_devices));
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}
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#ifdef CONFIG_ARCH_ADI_COYOTE
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MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
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/* Maintainer: MontaVista Software, Inc. */
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.map_io = ixp4xx_map_io,
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.init_early = ixp4xx_init_early,
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.init_irq = ixp4xx_init_irq,
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.init_time = ixp4xx_timer_init,
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.atag_offset = 0x100,
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.init_machine = coyote_init,
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#if defined(CONFIG_PCI)
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.dma_zone_size = SZ_64M,
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#endif
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.restart = ixp4xx_restart,
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MACHINE_END
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#endif
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/*
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* IXDPG425 is identical to Coyote except for which serial port
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* is connected.
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*/
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#ifdef CONFIG_MACH_IXDPG425
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MACHINE_START(IXDPG425, "Intel IXDPG425")
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/* Maintainer: MontaVista Software, Inc. */
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.map_io = ixp4xx_map_io,
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.init_early = ixp4xx_init_early,
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.init_irq = ixp4xx_init_irq,
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.init_time = ixp4xx_timer_init,
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.atag_offset = 0x100,
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.init_machine = coyote_init,
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.restart = ixp4xx_restart,
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MACHINE_END
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#endif
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