add preliminary 2.6.31 support for IXP4xx

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17997 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 282 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.31/115-sidewinder_support.patch b/target/linux/ixp4xx/patches-2.6.31/115-sidewinder_support.patch
new file mode 100644
index 0000000000..bad0826c81
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.31/115-sidewinder_support.patch
@@ -0,0 +1,282 @@
+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