ixp4xx: add kernel 2.6.35 preliminary support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21797 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 329 insertions, 0 deletions

diff --git a/target/linux/ixp4xx/patches-2.6.35/520-tw2662_support.patch b/target/linux/ixp4xx/patches-2.6.35/520-tw2662_support.patch
new file mode 100644
index 0000000000..cc796c504b
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.35/520-tw2662_support.patch
@@ -0,0 +1,329 @@
+--- a/arch/arm/mach-ixp4xx/Kconfig
++++ b/arch/arm/mach-ixp4xx/Kconfig
+@@ -180,6 +180,15 @@ config ARCH_PRPMC1100
+ 	  PrPCM1100 Processor Mezanine Module. For more information on
+ 	  this platform, see <file:Documentation/arm/IXP4xx>.
+ 
++config MACH_TW2662
++        bool "Titan Wireless TW-266-2"
++        select PCI
++        help
++          Say 'Y' here if you want your kernel to support the Titan
++          Wireless TW266-2. For more information on this platform,
++          see http://openwrt.org
++
++
+ config MACH_TW5334
+ 	bool "Titan Wireless TW-533-4"
+ 	select PCI
+--- a/arch/arm/mach-ixp4xx/Makefile
++++ b/arch/arm/mach-ixp4xx/Makefile
+@@ -23,6 +23,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sid
+ obj-pci-$(CONFIG_MACH_COMPEX)		+= ixdp425-pci.o
+ obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
+ obj-pci-$(CONFIG_MACH_AP1000)		+= ixdp425-pci.o
++obj-pci-$(CONFIG_MACH_TW2662)		+= tw2662-pci.o
+ obj-pci-$(CONFIG_MACH_TW5334)		+= tw5334-pci.o
+ obj-pci-$(CONFIG_MACH_MI424WR)		+= mi424wr-pci.o
+ obj-pci-$(CONFIG_MACH_USR8200)		+= usr8200-pci.o
+@@ -48,6 +49,7 @@ obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewin
+ obj-$(CONFIG_MACH_COMPEX)	+= compex-setup.o
+ obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-setup.o
+ obj-$(CONFIG_MACH_AP1000)	+= ap1000-setup.o
++obj-$(CONFIG_MACH_TW2662)	+= tw2662-setup.o
+ obj-$(CONFIG_MACH_TW5334)	+= tw5334-setup.o
+ obj-$(CONFIG_MACH_MI424WR)	+= mi424wr-setup.o
+ obj-$(CONFIG_MACH_USR8200)	+= usr8200-setup.o
+--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
++++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+@@ -43,7 +43,7 @@ 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_wrt300nv2() ||
+-			 machine_is_tw5334() || machine_is_usr8200())
++			 machine_is_tw5334() || machine_is_usr8200() || machine_is_tw2662())
+ 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
+ 	else
+ 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/tw2662-pci.c
+@@ -0,0 +1,68 @@
++/*
++ * arch/arm/mach-ixp4xx/tw2662-pci.c
++ *
++ * PCI setup routines for Tiran Wireless TW-266-2 platform
++ *
++ * Copyright (C) 2002 Jungo Software Technologies.
++ * Copyright (C) 2003 MontaVista Softwrae, Inc.
++ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
++ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
++ *
++ * Maintainer: Deepak Saxena <dsaxena@mvista.com>
++ * Maintainer: Alexandros C. Couloumbis <alex@ozo.com>
++ *
++ * 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>
++
++#define SLOT0_DEVID	1
++#define SLOT1_DEVID	3
++
++/* PCI controller GPIO to IRQ pin mappings */
++#define SLOT0_INTA	11
++#define SLOT1_INTA	9
++
++void __init tw2662_pci_preinit(void)
++{
++	set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
++	set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
++	ixp4xx_pci_preinit();
++}
++
++static int __init tw2662_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
++{
++	if (slot == SLOT0_DEVID)
++		return IXP4XX_GPIO_IRQ(SLOT0_INTA);
++	else if (slot == SLOT1_DEVID)
++		return IXP4XX_GPIO_IRQ(SLOT1_INTA);
++	else return -1;
++}
++
++struct hw_pci tw2662_pci __initdata = {
++	.nr_controllers = 1,
++	.preinit =        tw2662_pci_preinit,
++	.swizzle =        pci_std_swizzle,
++	.setup =          ixp4xx_setup,
++	.scan =           ixp4xx_scan_bus,
++	.map_irq =        tw2662_map_irq,
++};
++
++int __init tw2662_pci_init(void)
++{
++        if (machine_is_tw2662())
++		pci_common_init(&tw2662_pci);
++        return 0;
++}
++
++subsys_initcall(tw2662_pci_init);
+--- /dev/null
++++ b/arch/arm/mach-ixp4xx/tw2662-setup.c
+@@ -0,0 +1,208 @@
++/*
++ * arch/arm/mach-ixp4xx/tw2662-setup.c
++ *
++ * Titan Wireless TW-266-2
++ *
++ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
++ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
++ *
++ * based on ap1000-setup.c:
++ * 	Author: Imre Kaloz <Kaloz@openwrt.org>
++ */
++
++#include <linux/if_ether.h>
++#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 <linux/netdevice.h>
++#include <linux/etherdevice.h>
++#include <linux/platform_device.h>
++
++#include <asm/io.h>
++#include <asm/types.h>
++#include <asm/setup.h>
++#include <asm/memory.h>
++#include <mach/hardware.h>
++#include <asm/mach-types.h>
++#include <asm/irq.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/flash.h>
++
++/* gpio mask used by platform device */
++#define TW2662_GPIO_MASK        (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7) 
++
++static struct flash_platform_data tw2662_flash_data = {
++	.map_name	= "cfi_probe",
++	.width		= 2,
++};
++
++static struct resource tw2662_flash_resource = {
++	.flags		= IORESOURCE_MEM,
++};
++
++static struct platform_device tw2662_flash = {
++	.name		= "IXP4XX-Flash",
++	.id		= 0,
++	.dev		= {
++		.platform_data = &tw2662_flash_data,
++	},
++	.num_resources	= 1,
++	.resource	= &tw2662_flash_resource,
++};
++
++static struct resource tw2662_gpio_resources[] = {
++        {
++                .name   = "gpio",
++                /* FIXME: gpio mask should be model specific */
++                .start  = TW2662_GPIO_MASK,
++                .end    = TW2662_GPIO_MASK,
++                .flags  = 0,
++        },
++};
++
++static struct platform_device tw2662_gpio = {
++	.name			= "GPIODEV",
++	.id			= -1,
++	.num_resources		= ARRAY_SIZE(tw2662_gpio_resources),
++	.resource		= tw2662_gpio_resources,
++};
++
++static struct resource tw2662_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 tw2662_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 tw2662_uart = {
++	.name			= "serial8250",
++	.id			= PLAT8250_DEV_PLATFORM,
++	.dev.platform_data	= tw2662_uart_data,
++	.num_resources		= 2,
++	.resource		= tw2662_uart_resources
++};
++
++/* Built-in 10/100 Ethernet MAC interfaces */
++static struct eth_plat_info tw2662_plat_eth[] = {
++        {
++                .phy            = 3,
++                .rxq            = 3,
++                .txreadyq       = 20,
++        }, {
++                .phy            = 1,
++                .rxq            = 4,
++                .txreadyq       = 21,
++        }
++};
++
++static struct platform_device tw2662_eth[] = {
++	{
++		.name			= "ixp4xx_eth",
++		.id			= IXP4XX_ETH_NPEB,
++		.dev.platform_data	= tw2662_plat_eth,
++	}, {
++		.name			= "ixp4xx_eth",
++		.id			= IXP4XX_ETH_NPEC,
++		.dev.platform_data	= tw2662_plat_eth + 1,
++	}
++};
++
++
++static struct platform_device *tw2662_devices[] __initdata = {
++	&tw2662_flash,
++	&tw2662_uart,
++	&tw2662_gpio,
++	&tw2662_eth[0],
++	&tw2662_eth[1],
++};
++
++static char tw2662_mem_fixup[] __initdata = "mem=64M ";
++
++static void __init tw2662_fixup(struct machine_desc *desc,
++		struct tag *tags, char **cmdline, struct meminfo *mi)
++
++{
++	struct tag *t = tags;
++	char *p = *cmdline;
++
++	/* Find the end of the tags table, taking note of any cmdline tag. */
++	for (; t->hdr.size; t = tag_next(t)) {
++		if (t->hdr.tag == ATAG_CMDLINE) {
++			p = t->u.cmdline.cmdline;
++		}
++	}
++
++	/* Overwrite the end of the table with a new cmdline tag. */
++	t->hdr.tag = ATAG_CMDLINE;
++	t->hdr.size = (sizeof (struct tag_header) +
++		strlen(tw2662_mem_fixup) + strlen(p) + 1 + 4) >> 2;
++	strlcpy(t->u.cmdline.cmdline, tw2662_mem_fixup, COMMAND_LINE_SIZE);
++	strlcpy(t->u.cmdline.cmdline + strlen(tw2662_mem_fixup), p,
++		COMMAND_LINE_SIZE - strlen(tw2662_mem_fixup));
++
++	/* Terminate the table. */
++	t = tag_next(t);
++	t->hdr.tag = ATAG_NONE;
++	t->hdr.size = 0;
++}
++
++static void __init tw2662_init(void)
++{
++	ixp4xx_sys_init();
++
++	tw2662_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++	tw2662_flash_resource.end =
++		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
++
++	platform_add_devices(tw2662_devices, ARRAY_SIZE(tw2662_devices));
++	/* hack MACs as most of these boards have a broken eeprom */
++	random_ether_addr(tw2662_plat_eth[0].hwaddr);
++	random_ether_addr(tw2662_plat_eth[1].hwaddr);
++
++}
++
++#ifdef CONFIG_MACH_TW2662
++MACHINE_START(TW2662, "Titan Wireless TW-266-2")
++	/* Maintainer: Alexandros C. Couloumbis <alex@ozo.com> */
++	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
++	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
++	.fixup		= tw2662_fixup,
++	.map_io		= ixp4xx_map_io,
++	.init_irq	= ixp4xx_init_irq,
++	.timer		= &ixp4xx_timer,
++	.boot_params	= 0x0100,
++	.init_machine	= tw2662_init,
++MACHINE_END
++#endif