linux/ixp4xx: add preliminary 2.6.37 kernel support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23964 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 225 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.37/130-wrt300nv2_support.patch b/target/linux/ixp4xx/patches-2.6.37/130-wrt300nv2_support.patch
new file mode 100644
index 0000000000..865bb9d972
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.37/130-wrt300nv2_support.patch
@@ -0,0 +1,225 @@
+--- a/arch/arm/mach-ixp4xx/Kconfig
++++ b/arch/arm/mach-ixp4xx/Kconfig
+@@ -97,6 +97,14 @@ config MACH_COMPEX
+ 	  WP18 or NP18A boards. For more information on this
+ 	  platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
+ 
++config MACH_WRT300NV2
++	bool "Linksys WRT300N v2"
++	select PCI
++	help
++	  Say 'Y' here if you want your kernel to support Linksys' 
++	  WRT300N v2 router. For more information on this
++	  platform, see http://openwrt.org
++
+ config ARCH_IXDP425
+ 	bool "IXDP425"
+ 	help
+--- a/arch/arm/mach-ixp4xx/Makefile
++++ b/arch/arm/mach-ixp4xx/Makefile
+@@ -21,6 +21,7 @@ obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)	+= v
+ obj-pci-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-pci.o
+ obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-pci.o
+ obj-pci-$(CONFIG_MACH_COMPEX)		+= ixdp425-pci.o
++obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
+ 
+ obj-y	+= common.o
+ 
+@@ -41,6 +42,7 @@ obj-$(CONFIG_MACH_ARCOM_VULCAN)	+= vulca
+ obj-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-setup.o
+ obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-setup.o
+ obj-$(CONFIG_MACH_COMPEX)	+= compex-setup.o
++obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-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/wrt300nv2-pci.c
+@@ -0,0 +1,65 @@
++/*
++ * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
++ *
++ * PCI setup routines for Linksys WRT300N v2
++ *
++ * Copyright (C) 2007 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>
++
++extern void ixp4xx_pci_preinit(void);
++extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
++extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
++
++void __init wrt300nv2_pci_preinit(void)
++{
++	set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
++
++	ixp4xx_pci_preinit();
++}
++
++static int __init wrt300nv2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
++{
++	if (slot == 1)
++		return IRQ_IXP4XX_GPIO8;
++	else return -1;
++}
++
++struct hw_pci wrt300nv2_pci __initdata = {
++	.nr_controllers = 1,
++	.preinit =        wrt300nv2_pci_preinit,
++	.swizzle =        pci_std_swizzle,
++	.setup =          ixp4xx_setup,
++	.scan =           ixp4xx_scan_bus,
++	.map_irq =        wrt300nv2_map_irq,
++};
++
++int __init wrt300nv2_pci_init(void)
++{
++	if (machine_is_wrt300nv2())
++		pci_common_init(&wrt300nv2_pci);
++	return 0;
++}
++
++subsys_initcall(wrt300nv2_pci_init);
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
+@@ -0,0 +1,108 @@
++/*
++ * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
++ *
++ * Board setup for the Linksys WRT300N v2
++ *
++ * Copyright (C) 2007 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/init.h>
++#include <linux/device.h>
++#include <linux/serial.h>
++#include <linux/tty.h>
++#include <linux/serial_8250.h>
++#include <linux/slab.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>
++
++static struct flash_platform_data wrt300nv2_flash_data = {
++	.map_name	= "cfi_probe",
++	.width		= 2,
++};
++
++static struct resource wrt300nv2_flash_resource = {
++	.flags		= IORESOURCE_MEM,
++};
++
++static struct platform_device wrt300nv2_flash = {
++	.name		= "IXP4XX-Flash",
++	.id		= 0,
++	.dev		= {
++		.platform_data = &wrt300nv2_flash_data,
++	},
++	.num_resources	= 1,
++	.resource	= &wrt300nv2_flash_resource,
++};
++
++static struct resource wrt300nv2_uart_resource = {
++	.start	= IXP4XX_UART2_BASE_PHYS,
++	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
++	.flags	= IORESOURCE_MEM,
++};
++
++static struct plat_serial8250_port wrt300nv2_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 wrt300nv2_uart = {
++	.name		= "serial8250",
++	.id		= PLAT8250_DEV_PLATFORM,
++	.dev			= {
++		.platform_data	= wrt300nv2_uart_data,
++	},
++	.num_resources	= 1,
++	.resource	= &wrt300nv2_uart_resource,
++};
++
++static struct platform_device *wrt300nv2_devices[] __initdata = {
++	&wrt300nv2_flash,
++	&wrt300nv2_uart
++};
++
++static void __init wrt300nv2_init(void)
++{
++	ixp4xx_sys_init();
++
++	wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++	wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
++
++	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
++	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
++
++	platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
++}
++
++#ifdef CONFIG_MACH_WRT300NV2
++MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
++	/* 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	= wrt300nv2_init,
++MACHINE_END
++#endif
+--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
++++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+@@ -42,7 +42,7 @@ static __inline__ void __arch_decomp_set
+ 	 */
+ 	if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
+ 			 machine_is_gateway7001() || machine_is_wg302v2() ||
+-			 machine_is_pronghorn() || machine_is_pronghorn_metro())
++			 machine_is_pronghorn() || machine_is_pronghorn_metro() || machine_is_wrt300nv2())
+ 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
+ 	else
+ 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;