/* * arch/arm/mach-ixp4xx/vulcan-setup.c * * Arcom/Eurotech Vulcan board-setup * * Copyright (C) 2010 Marc Zyngier <maz@misterjones.org> * * based on fsg-setup.c: * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au> */ #include <linux/if_ether.h> #include <linux/irq.h> #include <linux/serial.h> #include <linux/serial_8250.h> #include <linux/io.h> #include <linux/w1-gpio.h> #include <linux/mtd/plat-ram.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> static struct flash_platform_data vulcan_flash_data = { .map_name = "cfi_probe", .width = 2, }; static struct resource vulcan_flash_resource = { .flags = IORESOURCE_MEM, }; static struct platform_device vulcan_flash = { .name = "IXP4XX-Flash", .id = 0, .dev = { .platform_data = &vulcan_flash_data, }, .resource = &vulcan_flash_resource, .num_resources = 1, }; static struct platdata_mtd_ram vulcan_sram_data = { .mapname = "Vulcan SRAM", .bankwidth = 1, }; static struct resource vulcan_sram_resource = { .flags = IORESOURCE_MEM, }; static struct platform_device vulcan_sram = { .name = "mtd-ram", .id = 0, .dev = { .platform_data = &vulcan_sram_data, }, .resource = &vulcan_sram_resource, .num_resources = 1, }; static struct resource vulcan_uart_resources[] = { [0] = { .start = IXP4XX_UART1_BASE_PHYS, .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, .flags = IORESOURCE_MEM, }, [1] = { .start = IXP4XX_UART2_BASE_PHYS, .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, .flags = IORESOURCE_MEM, }, [2] = { .flags = IORESOURCE_MEM, }, }; static struct plat_serial8250_port vulcan_uart_data[] = { [0] = { .mapbase = IXP4XX_UART1_BASE_PHYS, .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET, .irq = IRQ_IXP4XX_UART1, .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, .iotype = UPIO_MEM, .regshift = 2, .uartclk = IXP4XX_UART_XTAL, }, [1] = { .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, }, [2] = { .irq = IXP4XX_GPIO_IRQ(4), .irqflags = IRQF_TRIGGER_LOW, .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, .iotype = UPIO_MEM, .uartclk = 1843200, }, [3] = { .irq = IXP4XX_GPIO_IRQ(4), .irqflags = IRQF_TRIGGER_LOW, .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, .iotype = UPIO_MEM, .uartclk = 1843200, }, { } }; static struct platform_device vulcan_uart = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = vulcan_uart_data, }, .resource = vulcan_uart_resources, .num_resources = ARRAY_SIZE(vulcan_uart_resources), }; static struct eth_plat_info vulcan_plat_eth[] = { [0] = { .phy = 0, .rxq = 3, .txreadyq = 20, }, [1] = { .phy = 1, .rxq = 4, .txreadyq = 21, }, }; static struct platform_device vulcan_eth[] = { [0] = { .name = "ixp4xx_eth", .id = IXP4XX_ETH_NPEB, .dev = { .platform_data = &vulcan_plat_eth[0], }, }, [1] = { .name = "ixp4xx_eth", .id = IXP4XX_ETH_NPEC, .dev = { .platform_data = &vulcan_plat_eth[1], }, }, }; static struct resource vulcan_max6369_resource = { .flags = IORESOURCE_MEM, }; static struct platform_device vulcan_max6369 = { .name = "max6369_wdt", .id = -1, .resource = &vulcan_max6369_resource, .num_resources = 1, }; static struct w1_gpio_platform_data vulcan_w1_gpio_pdata = { .pin = 14, }; static struct platform_device vulcan_w1_gpio = { .name = "w1-gpio", .id = 0, .dev = { .platform_data = &vulcan_w1_gpio_pdata, }, }; static struct platform_device *vulcan_devices[] __initdata = { &vulcan_uart, &vulcan_flash, &vulcan_sram, &vulcan_max6369, &vulcan_eth[0], &vulcan_eth[1], &vulcan_w1_gpio, }; static void __init vulcan_init(void) { ixp4xx_sys_init(); /* Flash is spread over both CS0 and CS1 */ vulcan_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); vulcan_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1; *IXP4XX_EXP_CS0 = IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_STROBE_T(3) | IXP4XX_EXP_BUS_SIZE(0xF) | IXP4XX_EXP_BUS_BYTE_RD16 | IXP4XX_EXP_BUS_WR_EN; *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; /* SRAM on CS2, (256kB, 8bit, writable) */ vulcan_sram_resource.start = IXP4XX_EXP_BUS_BASE(2); vulcan_sram_resource.end = IXP4XX_EXP_BUS_BASE(2) + SZ_256K - 1; *IXP4XX_EXP_CS2 = IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_STROBE_T(1) | IXP4XX_EXP_BUS_HOLD_T(2) | IXP4XX_EXP_BUS_SIZE(9) | IXP4XX_EXP_BUS_SPLT_EN | IXP4XX_EXP_BUS_WR_EN | IXP4XX_EXP_BUS_BYTE_EN; /* XR16L2551 on CS3 (Moto style, 512 bytes, 8bits, writable) */ vulcan_uart_resources[2].start = IXP4XX_EXP_BUS_BASE(3); vulcan_uart_resources[2].end = IXP4XX_EXP_BUS_BASE(3) + 16 - 1; vulcan_uart_data[2].mapbase = vulcan_uart_resources[2].start; vulcan_uart_data[3].mapbase = vulcan_uart_data[2].mapbase + 8; *IXP4XX_EXP_CS3 = IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_STROBE_T(3) | IXP4XX_EXP_BUS_CYCLES(IXP4XX_EXP_BUS_CYCLES_MOTOROLA)| IXP4XX_EXP_BUS_WR_EN | IXP4XX_EXP_BUS_BYTE_EN; /* GPIOS on CS4 (512 bytes, 8bits, writable) */ *IXP4XX_EXP_CS4 = IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_WR_EN | IXP4XX_EXP_BUS_BYTE_EN; /* max6369 on CS5 (512 bytes, 8bits, writable) */ vulcan_max6369_resource.start = IXP4XX_EXP_BUS_BASE(5); vulcan_max6369_resource.end = IXP4XX_EXP_BUS_BASE(5); *IXP4XX_EXP_CS5 = IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_WR_EN | IXP4XX_EXP_BUS_BYTE_EN; platform_add_devices(vulcan_devices, ARRAY_SIZE(vulcan_devices)); } MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan") /* Maintainer: Marc Zyngier <maz@misterjones.org> */ .map_io = ixp4xx_map_io, .init_early = ixp4xx_init_early, .init_irq = ixp4xx_init_irq, .timer = &ixp4xx_timer, .atag_offset = 0x100, .init_machine = vulcan_init, #if defined(CONFIG_PCI) .dma_zone_size = SZ_64M, #endif .restart = ixp4xx_restart, MACHINE_END