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144 lines
3.4 KiB
144 lines
3.4 KiB
// 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 <[email protected]> |
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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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