add preliminary support for the XScale port, generic endianness indication

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3648 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 313 insertions, 0 deletions

diff --git a/openwrt/target/linux/xscale-2.6/patches/001-gateway_7001.patch b/openwrt/target/linux/xscale-2.6/patches/001-gateway_7001.patch
new file mode 100644
index 0000000000..b8219f8616
--- /dev/null
+++ b/openwrt/target/linux/xscale-2.6/patches/001-gateway_7001.patch
@@ -0,0 +1,313 @@
+diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/Kconfig linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/Kconfig
+--- linux-2.6.16.4/arch/arm/mach-ixp4xx/Kconfig	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/Kconfig	2006-04-12 16:47:34.000000000 +0200
+@@ -30,6 +30,13 @@
+ 	  Engineering Coyote Gateway Reference Platform. For more
+ 	  information on this platform, see <file:Documentation/arm/IXP4xx>.
+ 
++config MACH_GATEWAY7001
++	bool "Gateway 7001"
++	help
++	  Say 'Y' here if you want your kernel to support Gateway's 
++	  7001 Access Point. For more information on this platform,
++	  see http://openwrt.org
++
+ config ARCH_IXDP425
+ 	bool "IXDP425"
+ 	help
+diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/Makefile linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/Makefile
+--- linux-2.6.16.4/arch/arm/mach-ixp4xx/Makefile	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/Makefile	2006-04-12 22:34:09.000000000 +0200
+@@ -10,4 +10,5 @@
+ obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-pci.o gtwx5715-setup.o
+ obj-$(CONFIG_MACH_NSLU2)	+= nslu2-pci.o nslu2-setup.o nslu2-power.o
+ obj-$(CONFIG_MACH_NAS100D)	+= nas100d-pci.o nas100d-setup.o nas100d-power.o
++obj-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-pci.o gateway7001-setup.o
+ 
+diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-pci.c linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/gateway7001-pci.c
+--- linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-pci.c	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/gateway7001-pci.c	2006-04-12 22:35:29.000000000 +0200
+@@ -0,0 +1,77 @@
++/*
++ * arch/arm/mach-ixp4xx/gateway7001-pci.c 
++ *
++ * Gateway 7001 board-level PCI initialization
++ *
++ * Copyright (c) 2006 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on ixdp425-pci.c:
++ *	Copyright (C) 2002 Intel Corporation.
++ *	Copyright (C) 2003-2004 MontaVista Software, 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/config.h>
++#include <linux/pci.h>
++#include <linux/init.h>
++#include <linux/delay.h>
++
++#include <asm/mach/pci.h>
++#include <asm/irq.h>
++#include <asm/hardware.h>
++#include <asm/mach-types.h>
++
++void __init gateway7001_pci_preinit(void)
++{
++	set_irq_type(IRQ_GATEWAY7001_PCI_INTA, IRQT_LOW);
++	set_irq_type(IRQ_GATEWAY7001_PCI_INTB, IRQT_LOW);
++	set_irq_type(IRQ_GATEWAY7001_PCI_INTC, IRQT_LOW);
++	set_irq_type(IRQ_GATEWAY7001_PCI_INTD, IRQT_LOW);
++
++	ixp4xx_pci_preinit();
++}
++
++static int __init gateway7001_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
++{
++	static int pci_irq_table[GATEWAY7001_PCI_IRQ_LINES] = {
++		IRQ_GATEWAY7001_PCI_INTA,
++		IRQ_GATEWAY7001_PCI_INTB,
++		IRQ_GATEWAY7001_PCI_INTC,
++		IRQ_GATEWAY7001_PCI_INTD
++	};
++
++	int irq = -1;
++
++	if (slot >= 1 && slot <= GATEWAY7001_PCI_MAX_DEV && 
++		pin >= 1 && pin <= GATEWAY7001_PCI_IRQ_LINES) {
++		irq = pci_irq_table[(slot + pin - 2) % 4];
++	}
++
++	return irq;
++}
++
++struct hw_pci gateway7001_pci __initdata = {
++	.nr_controllers = 1,
++	.preinit	= gateway7001_pci_preinit,
++	.swizzle	= pci_std_swizzle,
++	.setup		= ixp4xx_setup,
++	.scan		= ixp4xx_scan_bus,
++	.map_irq	= gateway7001_map_irq,
++};
++
++int __init gateway7001_pci_init(void)
++{
++	if (machine_is_gateway7001())
++		pci_common_init(&gateway7001_pci);
++	return 0;
++}
++
++subsys_initcall(gateway7001_pci_init);
++
+diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-setup.c linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/gateway7001-setup.c
+--- linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-setup.c	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/gateway7001-setup.c	2006-04-12 22:45:53.000000000 +0200
+@@ -0,0 +1,136 @@
++/*
++ * arch/arm/mach-ixp4xx/gateway7001-setup.c
++ *
++ * Gateway 7001 board-setup 
++ *
++ * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based-on ixdp425-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 <asm/hardware.h>
++#include <asm/mach-types.h>
++#include <asm/irq.h>
++#include <asm/mach/arch.h>
++#include <asm/mach/flash.h>
++
++static struct flash_platform_data gateway7001_flash_data = {
++	.map_name	= "cfi_probe",
++	.width		= 2,
++};
++
++static struct resource gateway7001_flash_resource = {
++	.flags		= IORESOURCE_MEM,
++};
++
++static struct platform_device gateway7001_flash = {
++	.name		= "IXP4XX-Flash",
++	.id		= 0,
++	.dev		= {
++		.platform_data = &gateway7001_flash_data,
++	},
++	.num_resources	= 1,
++	.resource	= &gateway7001_flash_resource,
++};
++
++static struct ixp4xx_i2c_pins gateway7001_i2c_gpio_pins = {
++	.sda_pin	= GATEWAY7001_SDA_PIN,
++	.scl_pin	= GATEWAY7001_SCL_PIN,
++};
++
++static struct platform_device gateway7001_i2c_controller = {
++	.name		= "IXP4XX-I2C",
++	.id		= 0,
++	.dev		= {
++		.platform_data = &gateway7001_i2c_gpio_pins,
++	},
++	.num_resources	= 0
++};
++
++static struct resource gateway7001_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 gateway7001_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 gateway7001_uart = {
++	.name			= "serial8250",
++	.id			= PLAT8250_DEV_PLATFORM,
++	.dev.platform_data	= gateway7001_uart_data,
++	.num_resources		= 2,
++	.resource		= gateway7001_uart_resources
++};
++
++static struct platform_device *gateway7001_devices[] __initdata = {
++	&gateway7001_i2c_controller,
++	&gateway7001_flash,
++	&gateway7001_uart
++};
++
++static void __init gateway7001_init(void)
++{
++	ixp4xx_sys_init();
++
++	gateway7001_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
++	gateway7001_flash_resource.end =
++		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
++
++	platform_add_devices(gateway7001_devices, ARRAY_SIZE(gateway7001_devices));
++}
++
++#ifdef CONFIG_MACH_GATEWAY7001
++MACHINE_START(GATEWAY7001, "Gateway 7001")
++	/* 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	= gateway7001_init,
++MACHINE_END
++#endif
++
+diff -Nur linux-2.6.16.4/include/asm-arm/arch-ixp4xx/gateway7001.h linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/gateway7001.h
+--- linux-2.6.16.4/include/asm-arm/arch-ixp4xx/gateway7001.h	1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/gateway7001.h	2006-04-12 22:34:43.000000000 +0200
+@@ -0,0 +1,36 @@
++/*
++ * include/asm-arm/arch-ixp4xx/gateway7001.h
++ *
++ * Gateway 7001 platform specific definitions
++ *
++ * Author: Imre Kaloz <kaloz@openwrt.org>
++ *
++ * Copyright 2006 (c) Imre Kaloz <kaloz@openwrt.org>
++ *
++ * based on ixdp425.h:
++ *	Copyright 2004 (c) MontaVista, Software, Inc. 
++ * 
++ * This file is licensed under  the terms of the GNU General Public 
++ * License version 2. This program is licensed "as is" without any 
++ * warranty of any kind, whether express or implied.
++ */
++
++#ifndef __ASM_ARCH_HARDWARE_H__
++#error "Do not include this directly, instead #include <asm/hardware.h>"
++#endif
++
++#define	GATEWAY7001_SDA_PIN		7
++#define	GATEWAY7001_SCL_PIN		6
++
++/*
++ * GATEWAY7001 PCI IRQs
++ */
++#define GATEWAY7001_PCI_MAX_DEV	4
++#define GATEWAY7001_PCI_IRQ_LINES	4
++
++
++/* PCI controller GPIO to IRQ pin mappings */
++#define GATEWAY7001_PCI_INTA_PIN	11
++#define GATEWAY7001_PCI_INTB_PIN	10
++#define	GATEWAY7001_PCI_INTC_PIN	9
++#define	GATEWAY7001_PCI_INTD_PIN	8
+diff -Nur linux-2.6.16.4/include/asm-arm/arch-ixp4xx/hardware.h linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/hardware.h
+--- linux-2.6.16.4/include/asm-arm/arch-ixp4xx/hardware.h	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/hardware.h	2006-04-12 22:34:52.000000000 +0200
+@@ -46,5 +46,6 @@
+ #include "prpmc1100.h"
+ #include "nslu2.h"
+ #include "nas100d.h"
++#include "gateway7001.h"
+ 
+ #endif  /* _ASM_ARCH_HARDWARE_H */
+diff -Nur linux-2.6.16.4/include/asm-arm/arch-ixp4xx/irqs.h linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/irqs.h
+--- linux-2.6.16.4/include/asm-arm/arch-ixp4xx/irqs.h	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/irqs.h	2006-04-12 22:35:05.000000000 +0200
+@@ -109,4 +109,12 @@
+ #define        IRQ_NAS100D_PCI_INTD    IRQ_IXP4XX_GPIO8
+ #define        IRQ_NAS100D_PCI_INTE    IRQ_IXP4XX_GPIO7
+ 
++/*
++ * GATEWAY7001 board IRQs
++ */
++#define        IRQ_GATEWAY7001_PCI_INTA      IRQ_IXP4XX_GPIO11
++#define        IRQ_GATEWAY7001_PCI_INTB      IRQ_IXP4XX_GPIO10
++#define        IRQ_GATEWAY7001_PCI_INTC      IRQ_IXP4XX_GPIO9
++#define        IRQ_GATEWAY7001_PCI_INTD      IRQ_IXP4XX_GPIO8
++
+ #endif