From 60bdaaaf3446b4237566c6e04855186fc7bd766b Mon Sep 17 00:00:00 2001 From: Imre Kaloz <kaloz@openwrt.org> Date: Sun, 13 Jul 2008 22:46:45 +0200 Subject: [PATCH] Add support for the ADI Sidewinder Signed-off-by: Imre Kaloz <kaloz@openwrt.org> --- arch/arm/mach-ixp4xx/Kconfig | 10 ++- arch/arm/mach-ixp4xx/Makefile | 2 + arch/arm/mach-ixp4xx/sidewinder-pci.c | 68 ++++++++++++++ arch/arm/mach-ixp4xx/sidewinder-setup.c | 151 +++++++++++++++++++++++++++++++ 4 files changed, 230 insertions(+), 1 deletions(-) create mode 100644 arch/arm/mach-ixp4xx/sidewinder-pci.c create mode 100644 arch/arm/mach-ixp4xx/sidewinder-setup.c --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig @@ -81,6 +81,14 @@ config MACH_PRONGHORN config MACH_PRONGHORNMETRO def_bool MACH_PRONGHORN +config MACH_SIDEWINDER + bool "ADI Sidewinder" + select PCI + help + Say 'Y' here if you want your kernel to support the ADI + Engineering Sidewinder board. For more information on this + platform, see http://www.adiengineering.com + config ARCH_IXDP425 bool "IXDP425" help @@ -169,7 +177,7 @@ config MACH_FSG # config CPU_IXP46X bool - depends on MACH_IXDP465 + depends on MACH_IXDP465 || MACH_SIDEWINDER default y config CPU_IXP43X --- a/arch/arm/mach-ixp4xx/Makefile +++ b/arch/arm/mach-ixp4xx/Makefile @@ -18,6 +18,7 @@ obj-pci-$(CONFIG_MACH_WG302V1) += wg302 obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o obj-pci-$(CONFIG_MACH_PRONGHORN) += pronghorn-pci.o +obj-pci-$(CONFIG_MACH_SIDEWINDER) += sidewinder-pci.o obj-y += common.o @@ -35,6 +36,7 @@ obj-$(CONFIG_MACH_WG302V2) += wg302v2-se obj-$(CONFIG_MACH_FSG) += fsg-setup.o obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_mlr.o obj-$(CONFIG_MACH_PRONGHORN) += pronghorn-setup.o +obj-$(CONFIG_MACH_SIDEWINDER) += sidewinder-setup.o obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o --- /dev/null +++ b/arch/arm/mach-ixp4xx/sidewinder-pci.c @@ -0,0 +1,68 @@ +/* + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c + * + * PCI setup routines for ADI Engineering Sidewinder + * + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + * + * based on coyote-pci.c: + * Copyright (C) 2002 Jungo Software Technologies. + * Copyright (C) 2003 MontaVista Softwrae, Inc. + * + * Maintainer: Imre Kaloz <kaloz@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/irq.h> + +#include <asm/mach-types.h> +#include <mach/hardware.h> +#include <asm/irq.h> + +#include <asm/mach/pci.h> + +void __init sidewinder_pci_preinit(void) +{ + set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW); + set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW); + set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW); + + ixp4xx_pci_preinit(); +} + +static int __init sidewinder_map_irq(struct pci_dev *dev, u8 slot, u8 pin) +{ + if (slot == 1) + return IRQ_IXP4XX_GPIO11; + else if (slot == 2) + return IRQ_IXP4XX_GPIO10; + else if (slot == 3) + return IRQ_IXP4XX_GPIO9; + else + return -1; +} + +struct hw_pci sidewinder_pci __initdata = { + .nr_controllers = 1, + .preinit = sidewinder_pci_preinit, + .swizzle = pci_std_swizzle, + .setup = ixp4xx_setup, + .scan = ixp4xx_scan_bus, + .map_irq = sidewinder_map_irq, +}; + +int __init sidewinder_pci_init(void) +{ + if (machine_is_sidewinder()) + pci_common_init(&sidewinder_pci); + return 0; +} + +subsys_initcall(sidewinder_pci_init); --- /dev/null +++ b/arch/arm/mach-ixp4xx/sidewinder-setup.c @@ -0,0 +1,149 @@ +/* + * arch/arm/mach-ixp4xx/sidewinder-setup.c + * + * Board setup for the ADI Engineering Sidewinder + * + * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org> + * + * based on coyote-setup.c: + * Copyright (C) 2003-2005 MontaVista Software, Inc. + * + * Author: Imre Kaloz <Kaloz@openwrt.org> + */ + +#include <linux/kernel.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/flash.h> + +static struct flash_platform_data sidewinder_flash_data = { + .map_name = "cfi_probe", + .width = 2, +}; + +static struct resource sidewinder_flash_resource = { + .flags = IORESOURCE_MEM, +}; + +static struct platform_device sidewinder_flash = { + .name = "IXP4XX-Flash", + .id = 0, + .dev = { + .platform_data = &sidewinder_flash_data, + }, + .num_resources = 1, + .resource = &sidewinder_flash_resource, +}; + +static struct resource sidewinder_uart_resources[] = { + { + .start = IXP4XX_UART1_BASE_PHYS, + .end = IXP4XX_UART1_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + }, + { + .start = IXP4XX_UART2_BASE_PHYS, + .end = IXP4XX_UART2_BASE_PHYS + 0x0fff, + .flags = IORESOURCE_MEM, + } +}; + +static struct plat_serial8250_port sidewinder_uart_data[] = { + { + .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, + }, + { + .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 sidewinder_uart = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = sidewinder_uart_data, + }, + .num_resources = ARRAY_SIZE(sidewinder_uart_resources), + .resource = sidewinder_uart_resources, +}; + +static struct eth_plat_info sidewinder_plat_eth[] = { + { + .phy = 5, + .rxq = 3, + .txreadyq = 20, + }, { + .phy = IXP4XX_ETH_PHY_MAX_ADDR, + .phy_mask = 0x1e, + .rxq = 4, + .txreadyq = 21, + }, { + .phy = 31, + .rxq = 2, + .txreadyq = 19, + } +}; + +static struct platform_device sidewinder_eth[] = { + { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEB, + .dev.platform_data = sidewinder_plat_eth, + }, { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEC, + .dev.platform_data = sidewinder_plat_eth + 1, + }, { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEA, + .dev.platform_data = sidewinder_plat_eth + 2, + } +}; + +static struct platform_device *sidewinder_devices[] __initdata = { + &sidewinder_flash, + &sidewinder_uart, + &sidewinder_eth[0], + &sidewinder_eth[1], + &sidewinder_eth[2], +}; + +static void __init sidewinder_init(void) +{ + ixp4xx_sys_init(); + + sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); + sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1; + + *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE; + *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0; + + platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices)); +} + +MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder") + /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */ + .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS, + .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc, + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, + .timer = &ixp4xx_timer, + .boot_params = 0x0100, + .init_machine = sidewinder_init, +MACHINE_END