diff options
Diffstat (limited to 'arch/arm/mach-ixp4xx/coyote-setup.c')
-rw-r--r-- | arch/arm/mach-ixp4xx/coyote-setup.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c new file mode 100644 index 000000000..7ca43ca28 --- /dev/null +++ b/arch/arm/mach-ixp4xx/coyote-setup.c @@ -0,0 +1,144 @@ +// 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> + +#include "irqs.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 + |