XScale support (Gateway 7001), take two

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3665 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 101 insertions, 255 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
index b8219f861..894267900 100644
--- a/openwrt/target/linux/xscale-2.6/patches/001-gateway_7001.patch
+++ b/openwrt/target/linux/xscale-2.6/patches/001-gateway_7001.patch
@@ -1,43 +1,32 @@
-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>.
+diff -Nur linux-2.6.16.4/arch/arm/boot/compressed/head-xscale.S linux-2.6.16.4-owrt/arch/arm/boot/compressed/head-xscale.S
+--- linux-2.6.16.4/arch/arm/boot/compressed/head-xscale.S	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/arch/arm/boot/compressed/head-xscale.S	2006-04-16 16:51:05.000000000 +0200
+@@ -47,6 +47,11 @@
+                orr     r7, r7, #(MACH_TYPE_GTWX5715 & 0xff00)
+ #endif
  
-+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
++#ifdef  CONFIG_MACH_GATEWAY7001
++               mov     r7, #(MACH_TYPE_GATEWAY7001 & 0xff)
++               orr     r7, r7, #(MACH_TYPE_GATEWAY7001 & 0xff00)
++#endif
 +
- 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
- 
+ #ifdef CONFIG_ARCH_IXP2000
+ 		mov	r1, #-1
+ 		mov	r0, #0xd6000000
 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 @@
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/gateway7001-pci.c	2006-04-17 19:21:55.000000000 +0200
+@@ -0,0 +1,67 @@
 +/*
-+ * arch/arm/mach-ixp4xx/gateway7001-pci.c 
++ * arch/arch/mach-ixp4xx/gateway7001-pci.c
 + *
-+ * Gateway 7001 board-level PCI initialization
++ * PCI setup routines for Gateway 7001
 + *
-+ * Copyright (c) 2006 Imre Kaloz <kaloz@openwrt.org>
++ * 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.
++ * based on coyote-pci.c:
++ *	Copyright (C) 2002 Jungo Software Technologies.
++ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
 + *
 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
 + *
@@ -48,52 +37,43 @@ diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-pci.c linux-2.6.16.4-o
 + */
 +
 +#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>
++#include <asm/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 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);
++	set_irq_type(IRQ_IXP4XX_GPIO10, IRQT_LOW);
++	set_irq_type(IRQ_IXP4XX_GPIO11, 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;
++	if (slot == 0)
++		return IRQ_IXP4XX_GPIO10;
++	else if (slot == 1)
++		return IRQ_IXP4XX_GPIO11;
++	else return -1;
 +}
 +
 +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,
++	.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)
@@ -104,134 +84,63 @@ diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-pci.c linux-2.6.16.4-o
 +}
 +
 +subsys_initcall(gateway7001_pci_init);
+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	2006-04-16 15:58:37.000000000 +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
 +
-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));
-+}
-+
+ 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	2006-04-16 16:03:42.000000000 +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 coyote-setup.o
+ 
+diff -Nur linux-2.6.16.4/include/asm-arm/arch-ixp4xx/uncompress.h linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/uncompress.h
+--- linux-2.6.16.4/include/asm-arm/arch-ixp4xx/uncompress.h	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/include/asm-arm/arch-ixp4xx/uncompress.h	2006-04-16 16:25:34.000000000 +0200
+@@ -48,7 +48,7 @@
+ 	/*
+ 	 * Coyote and gtwx5715 only have UART2 connected
+ 	 */
+-	if (machine_is_adi_coyote() || machine_is_gtwx5715())
++	if (machine_is_adi_coyote() || machine_is_gtwx5715() || machine_is_gateway7001())
+ 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
+ 	else
+ 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
+diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/coyote-setup.c linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/coyote-setup.c
+--- linux-2.6.16.4/arch/arm/mach-ixp4xx/coyote-setup.c	2006-04-11 19:19:28.000000000 +0200
++++ linux-2.6.16.4-owrt/arch/arm/mach-ixp4xx/coyote-setup.c	2006-04-16 16:03:23.000000000 +0200
+@@ -1,9 +1,10 @@
+ /*
+  * arch/arm/mach-ixp4xx/coyote-setup.c
+  *
+- * Board setup for ADI Engineering and IXDGP425 boards
++ * Board setup for ADI Engineering, IXDGP425 and Gateway 7001 boards
+  *
+  * Copyright (C) 2003-2005 MontaVista Software, Inc.
++ * Copyright (C) 2006 Imre Kaloz <Kaloz@openwrt.org>
+  *
+  * Author: Deepak Saxena <dsaxena@plexity.net>
+  */
+@@ -111,6 +112,19 @@
+ MACHINE_END
+ #endif
+ 
 +#ifdef CONFIG_MACH_GATEWAY7001
 +MACHINE_START(GATEWAY7001, "Gateway 7001")
 +	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
@@ -241,73 +150,10 @@ diff -Nur linux-2.6.16.4/arch/arm/mach-ixp4xx/gateway7001-setup.c linux-2.6.16.4
 +	.init_irq	= ixp4xx_init_irq,
 +	.timer		= &ixp4xx_timer,
 +	.boot_params	= 0x0100,
-+	.init_machine	= gateway7001_init,
++	.init_machine	= coyote_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
+ /*
+  * IXDPG425 is identical to Coyote except for which serial port
+  * is connected.