path: root/target/linux/ixp4xx-2.6/patches/996-fsg3_support.patch

Index: linux-2.6.21.5-armeb/arch/arm/mach-ixp4xx/fsg-pci.c
===================================================================
--- /dev/null
+++ linux-2.6.21.5-armeb/arch/arm/mach-ixp4xx/fsg-pci.c
@@ -0,0 +1,71 @@
+/*
+ * arch/arch/mach-ixp4xx/fsg-pci.c
+ *
+ * FSG board-level PCI initialization
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * based on ixdp425-pci.c:
+ *	Copyright (C) 2002 Intel Corporation.
+ *	Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+void __init fsg_pci_preinit(void)
+{
+	set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
+	set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
+	set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
+		IRQ_FSG_PCI_INTC,
+		IRQ_FSG_PCI_INTB,
+		IRQ_FSG_PCI_INTA,
+	};
+
+	int irq = -1;
+	slot = slot - 11;
+
+	if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
+		pin >= 1 && pin <= FSG_PCI_IRQ_LINES) {
+			irq = pci_irq_table[(slot - 1)];
+	}
+        printk("%s: Mapped slot %d pin %d to IRQ %d\n", __FUNCTION__,slot, pin, irq);
+
+        return irq;
+}
+
+struct hw_pci fsg_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit =        fsg_pci_preinit,
+	.swizzle =        pci_std_swizzle,
+	.setup =          ixp4xx_setup,
+	.scan =           ixp4xx_scan_bus,
+	.map_irq =        fsg_map_irq,
+};
+
+int __init fsg_pci_init(void)
+{
+	if (machine_is_fsg())
+		pci_common_init(&fsg_pci);
+	return 0;
+}
+
+subsys_initcall(fsg_pci_init);
Index: linux-2.6.21.5-armeb/arch/arm/mach-ixp4xx/fsg-setup.c
===================================================================
--- /dev/null
+++ linux-2.6.21.5-armeb/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -0,0 +1,223 @@
+/*
+ * arch/arm/mach-ixp4xx/fsg-setup.c
+ *
+ * FSG board-setup
+ *
+ * based ixdp425-setup.c:
+ *      Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/mtd/mtd.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data fsg_flash_data = {
+	.map_name		= "cfi_probe",
+	.width			= 2,
+};
+
+static struct resource fsg_flash_resource = {
+	.flags			= IORESOURCE_MEM,
+};
+
+static struct platform_device fsg_flash = {
+	.name			= "IXP4XX-Flash",
+	.id			= 0,
+	.dev.platform_data	= &fsg_flash_data,
+	.num_resources		= 1,
+	.resource		= &fsg_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins fsg_i2c_gpio_pins = {
+	.sda_pin		= FSG_SDA_PIN,
+	.scl_pin		= FSG_SCL_PIN,
+};
+
+static struct platform_device fsg_i2c_controller = {
+        .name                   = "IXP4XX-I2C",
+        .id                     = 0,
+        .dev.platform_data      = &fsg_i2c_gpio_pins,
+        .num_resources          = 0,
+};
+
+static struct resource fsg_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 fsg_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 fsg_uart = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+	.dev.platform_data	= fsg_uart_data,
+	.num_resources		= ARRAY_SIZE(fsg_uart_resources),
+	.resource		= fsg_uart_resources,
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct resource res_mac0 = {
+        .start          = IXP4XX_EthB_BASE_PHYS,
+        .end            = IXP4XX_EthB_BASE_PHYS + 0x1ff,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct resource res_mac1 = {
+        .start          = IXP4XX_EthC_BASE_PHYS,
+        .end            = IXP4XX_EthC_BASE_PHYS + 0x1ff,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct mac_plat_info plat_mac0 = {
+        .npe_id         = 1,
+        .phy_id         = 5,
+        .eth_id         = 0,
+        .rxq_id         = 27,
+        .txq_id         = 24,
+	.rxdoneq_id     = 4,
+};
+
+static struct mac_plat_info plat_mac1 = {
+        .npe_id         = 2,
+        .phy_id         = 4,
+        .eth_id         = 1,
+        .rxq_id         = 28,
+        .txq_id         = 25,
+	.rxdoneq_id     = 5,
+};
+
+static struct platform_device mac0 = {
+        .name           = "ixp4xx_mac",
+        .id             = 0,
+        .dev.platform_data = &plat_mac0,
+        .num_resources  = 1,
+        .resource       = &res_mac0,
+};
+
+static struct platform_device mac1 = {
+        .name           = "ixp4xx_mac",
+        .id             = 1,
+        .dev.platform_data = &plat_mac1,
+        .num_resources  = 1,
+        .resource       = &res_mac1,
+};
+
+struct npe_ucode_platform_data fsg_npe_ucode_data = {
+	.mtd_partition	= "microcode",
+};
+
+static struct platform_device fsg_npe_ucode = {
+	.name			= "ixp4xx_npe_ucode",
+	.id			= 0,
+	.dev.platform_data	= &fsg_npe_ucode_data,
+};
+
+static struct platform_device *fsg_devices[] __initdata = {
+	&fsg_i2c_controller,
+	&fsg_flash,
+        &mac0,
+        &mac1,
+	&fsg_npe_ucode,
+};
+
+static void fsg_flash_add(struct mtd_info *mtd)
+{
+	if (strcmp(mtd->name, "RedBoot config") == 0) {
+		size_t retlen;
+		u_char mac[6];
+
+		if (mtd->read(mtd, 0x0422, 6, &retlen, mac) == 0 && retlen == 6) {
+			printk(KERN_INFO "eth0 mac: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+				mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+			memcpy(plat_mac0.hwaddr, mac, 6);
+			mac[5]++;
+			printk(KERN_INFO "eth1 mac: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+				mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+			memcpy(plat_mac1.hwaddr, mac, 6);
+		} else {
+			printk(KERN_ERR "fsg mac: read failed\n");
+		}
+	}
+}
+
+static void fsg_flash_remove(struct mtd_info *mtd) {
+}
+
+static struct mtd_notifier fsg_flash_notifier = {
+	.add = fsg_flash_add,
+	.remove = fsg_flash_remove,
+};
+
+static void __init fsg_init(void)
+{
+	ixp4xx_sys_init();
+
+	fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	fsg_flash_resource.end =
+		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	/* Configure CS2 for operation, 8bit and writable */
+	*IXP4XX_EXP_CS2 = 0xbfff0002;
+
+	/* This is only useful on a modified machine, but it is valuable
+	 * to have it first in order to see debug messages, and so that
+	 * it does *not* get removed if platform_add_devices fails!
+	 */
+	(void)platform_device_register(&fsg_uart);
+
+	platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
+
+	register_mtd_user(&fsg_flash_notifier);
+}
+
+MACHINE_START(FSG, "Freecom FSG-3")
+	.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	= fsg_init,
+MACHINE_END
+
Index: linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/fsg.h
===================================================================
--- /dev/null
+++ linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/fsg.h
@@ -0,0 +1,58 @@
+/*
+ * include/asm-arm/arch-ixp4xx/fsg.h
+ *
+ * Freecom FSG-3 platform specific definitions
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Author: Tomasz Chmielewski <mangoo@wpkg.org>
+ * Maintainers: http://www.nslu2-linux.org
+ *
+ * Based on coyote.h by
+ * 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 FSG_SDA_PIN		12
+#define FSG_SCL_PIN		13
+
+/*
+ * FSG PCI IRQs
+ */
+#define FSG_PCI_MAX_DEV		3
+#define FSG_PCI_IRQ_LINES	3
+
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define FSG_PCI_INTA_PIN	6
+#define FSG_PCI_INTB_PIN	7
+#define FSG_PCI_INTC_PIN	5
+
+/* Buttons */
+
+#define FSG_SB_GPIO		4
+#define FSG_RB_GPIO		9
+#define FSG_UB_GPIO		10
+
+#define FSG_SB_IRQ		IRQ_IXP4XX_GPIO4
+#define FSG_RB_IRQ		IRQ_IXP4XX_GPIO9
+#define FSG_UB_IRQ		IRQ_IXP4XX_GPIO10
+
+#define FSG_SB_BM		(1L << FSG_SB_GPIO)
+#define FSG_RB_BM		(1L << FSG_RB_GPIO)
+#define FSG_UB_BM		(1L << FSG_UB_GPIO)
+
+/* LEDs */
+
+#define FSG_LED_RING_BIT	0
+#define FSG_LED_SYNC_BIT	1
+#define FSG_LED_USB_BIT		2
+#define FSG_LED_SATA_BIT	3
+#define FSG_LED_WAN_BIT		4
+#define FSG_LED_WLAN_BIT	5
Index: linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/hardware.h
===================================================================
--- linux-2.6.21.5-armeb.orig/include/asm-arm/arch-ixp4xx/hardware.h
+++ linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/hardware.h
@@ -48,5 +48,6 @@ extern unsigned int processor_id;
 #include "nslu2.h"
 #include "nas100d.h"
 #include "dsmg600.h"
+#include "fsg.h"
 
 #endif  /* _ASM_ARCH_HARDWARE_H */
Index: linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/irqs.h
===================================================================
--- linux-2.6.21.5-armeb.orig/include/asm-arm/arch-ixp4xx/irqs.h
+++ linux-2.6.21.5-armeb/include/asm-arm/arch-ixp4xx/irqs.h
@@ -128,4 +128,11 @@
 #define        IRQ_DSMG600_PCI_INTE    IRQ_IXP4XX_GPIO7
 #define        IRQ_DSMG600_PCI_INTF    IRQ_IXP4XX_GPIO6
 
+/*
+ * Freecom FSG-3 board IRQs
+ */
+#define        IRQ_FSG_PCI_INTA        IRQ_IXP4XX_GPIO6
+#define        IRQ_FSG_PCI_INTB        IRQ_IXP4XX_GPIO7
+#define        IRQ_FSG_PCI_INTC        IRQ_IXP4XX_GPIO5
+
 #endif
--- linux-2.6.21.6/arch/arm/mach-ixp4xx/Makefile~	2007-07-11 22:20:52.000000000 +0930
+++ linux-2.6.21.6/arch/arm/mach-ixp4xx/Makefile	2007-07-11 22:22:02.000000000 +0930
@@ -13,6 +13,7 @@
 obj-pci-$(CONFIG_MACH_NSLU2)		+= nslu2-pci.o
 obj-pci-$(CONFIG_MACH_NAS100D)		+= nas100d-pci.o
 obj-pci-$(CONFIG_MACH_DSMG600)		+= dsmg600-pci.o
+obj-pci-$(CONFIG_MACH_FSG)		+= fsg-pci.o
 obj-pci-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-pci.o
 obj-pci-$(CONFIG_MACH_WG302V2)		+= wg302v2-pci.o
 obj-pci-$(CONFIG_MACH_PRONGHORNMETRO)	+= pronghornmetro-pci.o
@@ -29,6 +30,7 @@
 obj-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o nslu2-power.o
 obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o nas100d-power.o
 obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o dsmg600-power.o
+obj-$(CONFIG_MACH_FSG)          += fsg-setup.o
 obj-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-setup.o
 obj-$(CONFIG_MACH_WG302V2)	+= wg302v2-setup.o
 obj-$(CONFIG_MACH_PRONGHORNMETRO)	+= pronghornmetro-setup.o
--- linux-2.6.21.6/arch/arm/mach-ixp4xx/Kconfig~	2007-07-11 22:23:24.000000000 +0930
+++ linux-2.6.21.6/arch/arm/mach-ixp4xx/Kconfig	2007-07-11 22:23:47.000000000 +0930
@@ -138,6 +138,14 @@
 	  DSM-G600 RevA device. For more information on this platform,
 	  see http://www.nslu2-linux.org/wiki/DSMG600/HomePage
 
+config MACH_FSG
+	bool
+	prompt "Freecom FSG-3"
+	help
+	  Say 'Y' here if you want your kernel to support Freecom's
+	  FSG-3 device. For more information on this
+	  platform see http://www.openfsg.com/
+
 #
 # Avila and IXDP share the same source for now. Will change in future
 #