From 95dac4a842a3c66f69f949b48f9075e16275f77b Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 30 Jun 2013 15:48:47 +0200 Subject: [PATCH 07/36] 115-sidewinder_support.patch --- 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 deletion(-) 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 @@ -77,6 +77,14 @@ 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 @@ -173,7 +181,7 @@ config MACH_ARCOM_VULCAN # 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 @@ -20,6 +20,7 @@ obj-pci-$(CONFIG_MACH_WG302V2) += wg302 obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o obj-pci-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-pci.o obj-pci-$(CONFIG_MACH_PRONGHORN) += pronghorn-pci.o +obj-pci-$(CONFIG_MACH_SIDEWINDER) += sidewinder-pci.o obj-y += common.o @@ -41,6 +42,7 @@ obj-$(CONFIG_MACH_FSG) += fsg-setup.o obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_mlr.o obj-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-setup.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 +1,67 @@ +/* + * arch/arch/mach-ixp4xx/pronghornmetro-pci.c + * + * PCI setup routines for ADI Engineering Sidewinder + * + * Copyright (C) 2008 Imre Kaloz + * + * based on coyote-pci.c: + * Copyright (C) 2002 Jungo Software Technologies. + * Copyright (C) 2003 MontaVista Softwrae, Inc. + * + * Maintainer: Imre Kaloz + * + * 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 +#include +#include +#include + +#include +#include +#include + +#include + +void __init sidewinder_pci_preinit(void) +{ + irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW); + irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW); + irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW); + + ixp4xx_pci_preinit(); +} + +static int __init sidewinder_map_irq(const 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, + .ops = &ixp4xx_ops, + .setup = ixp4xx_setup, + .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 +1,155 @@ +/* + * arch/arm/mach-ixp4xx/sidewinder-setup.c + * + * Board setup for the ADI Engineering Sidewinder + * + * Copyright (C) 2008 Imre Kaloz + * + * based on coyote-setup.c: + * Copyright (C) 2003-2005 MontaVista Software, Inc. + * + * Author: Imre Kaloz + */ + +#include +#include +#include +#include + +#include +#include +#include + +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, + .dev.coherent_dma_mask = DMA_BIT_MASK(32), + }, { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEC, + .dev.platform_data = sidewinder_plat_eth + 1, + .dev.coherent_dma_mask = DMA_BIT_MASK(32), + }, { + .name = "ixp4xx_eth", + .id = IXP4XX_ETH_NPEA, + .dev.platform_data = sidewinder_plat_eth + 2, + .dev.coherent_dma_mask = DMA_BIT_MASK(32), + } +}; + +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 */ + .map_io = ixp4xx_map_io, + .init_irq = ixp4xx_init_irq, + .init_time = ixp4xx_timer_init, + .atag_offset = 0x0100, + .init_machine = sidewinder_init, +#if defined(CONFIG_PCI) + .dma_zone_size = SZ_64M, +#endif + .restart = ixp4xx_restart, +MACHINE_END