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772 lines
20 KiB
772 lines
20 KiB
Index: linux-2.6.24/arch/arm/mach-ixp4xx/Kconfig
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===================================================================
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--- linux-2.6.24.orig/arch/arm/mach-ixp4xx/Kconfig 2008-03-20 21:07:50.000000000 +1030
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+++ linux-2.6.24/arch/arm/mach-ixp4xx/Kconfig 2008-03-20 21:09:12.000000000 +1030
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@@ -125,6 +125,15 @@
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depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
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default y
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+config MACH_FSG
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+ bool
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+ prompt "Freecom FSG-3"
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+ select PCI
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+ help
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+ Say 'Y' here if you want your kernel to support Freecom's
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+ FSG-3 device. For more information on this platform,
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+ see http://www.nslu2-linux.org/wiki/FSG3/HomePage
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+
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#
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# Certain registers and IRQs are only enabled if supporting IXP465 CPUs
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#
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Index: linux-2.6.24/arch/arm/mach-ixp4xx/Makefile
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===================================================================
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--- linux-2.6.24.orig/arch/arm/mach-ixp4xx/Makefile 2008-03-20 21:07:50.000000000 +1030
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+++ linux-2.6.24/arch/arm/mach-ixp4xx/Makefile 2008-03-20 21:09:12.000000000 +1030
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@@ -15,6 +15,7 @@
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obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o
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obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o
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obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
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+obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
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obj-y += common.o
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@@ -28,5 +29,6 @@
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obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
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obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
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obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
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+obj-$(CONFIG_MACH_FSG) += fsg-setup.o
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obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
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Index: linux-2.6.24/arch/arm/mach-ixp4xx/fsg-pci.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.24/arch/arm/mach-ixp4xx/fsg-pci.c 2008-03-20 21:09:12.000000000 +1030
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@@ -0,0 +1,71 @@
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+/*
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+ * arch/arch/mach-ixp4xx/fsg-pci.c
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+ *
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+ * FSG board-level PCI initialization
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+ *
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+ * Author: Rod Whitby <rod@whitby.id.au>
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+ * Maintainer: http://www.nslu2-linux.org/
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+ *
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+ * based on ixdp425-pci.c:
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+ * Copyright (C) 2002 Intel Corporation.
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+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ *
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+ */
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+
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+#include <linux/pci.h>
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+#include <linux/init.h>
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+#include <linux/irq.h>
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+
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+#include <asm/mach/pci.h>
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+#include <asm/mach-types.h>
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+
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+void __init fsg_pci_preinit(void)
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+{
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+ set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
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+ set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
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+ set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
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+
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+ ixp4xx_pci_preinit();
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+}
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+
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+static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
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+ IRQ_FSG_PCI_INTC,
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+ IRQ_FSG_PCI_INTB,
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+ IRQ_FSG_PCI_INTA,
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+ };
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+
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+ int irq = -1;
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+ slot = slot - 11;
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+
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+ if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
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+ pin >= 1 && pin <= FSG_PCI_IRQ_LINES)
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+ irq = pci_irq_table[(slot - 1)];
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+ printk(KERN_INFO "%s: Mapped slot %d pin %d to IRQ %d\n",
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+ __func__, slot, pin, irq);
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+
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+ return irq;
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+}
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+
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+struct hw_pci fsg_pci __initdata = {
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+ .nr_controllers = 1,
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+ .preinit = fsg_pci_preinit,
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+ .swizzle = pci_std_swizzle,
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+ .setup = ixp4xx_setup,
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+ .scan = ixp4xx_scan_bus,
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+ .map_irq = fsg_map_irq,
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+};
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+
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+int __init fsg_pci_init(void)
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+{
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+ if (machine_is_fsg())
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+ pci_common_init(&fsg_pci);
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+ return 0;
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+}
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+
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+subsys_initcall(fsg_pci_init);
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Index: linux-2.6.24/arch/arm/mach-ixp4xx/fsg-setup.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.24/arch/arm/mach-ixp4xx/fsg-setup.c 2008-03-20 21:09:12.000000000 +1030
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@@ -0,0 +1,275 @@
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+/*
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+ * arch/arm/mach-ixp4xx/fsg-setup.c
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+ *
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+ * FSG board-setup
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+ *
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+ * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
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+ *
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+ * based on ixdp425-setup.c:
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+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
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+ * based on nslu2-power.c
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+ * Copyright (C) 2005 Tower Technologies
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+ *
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+ * Author: Rod Whitby <rod@whitby.id.au>
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+ * Maintainers: http://www.nslu2-linux.org/
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+ *
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+ */
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+
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+#include <linux/if_ether.h>
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+#include <linux/irq.h>
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+#include <linux/serial.h>
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+#include <linux/serial_8250.h>
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+#include <linux/leds.h>
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+#include <linux/reboot.h>
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+#include <linux/i2c.h>
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+#include <linux/i2c-gpio.h>
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+
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+#include <asm/mach-types.h>
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+#include <asm/mach/arch.h>
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+#include <asm/mach/flash.h>
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+#include <asm/io.h>
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+#include <asm/gpio.h>
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+
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+static struct flash_platform_data fsg_flash_data = {
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+ .map_name = "cfi_probe",
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+ .width = 2,
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+};
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+
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+static struct resource fsg_flash_resource = {
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device fsg_flash = {
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+ .name = "IXP4XX-Flash",
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+ .id = 0,
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+ .dev.platform_data = &fsg_flash_data,
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+ .num_resources = 1,
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+ .resource = &fsg_flash_resource,
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+};
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+
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+static struct i2c_gpio_platform_data fsg_i2c_gpio_data = {
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+ .sda_pin = FSG_SDA_PIN,
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+ .scl_pin = FSG_SCL_PIN,
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+};
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+
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+static struct platform_device fsg_i2c_gpio = {
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+ .name = "i2c-gpio",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &fsg_i2c_gpio_data,
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+ },
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+};
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+
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+static struct i2c_board_info __initdata fsg_i2c_board_info [] = {
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+ {
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+ I2C_BOARD_INFO("rtc-isl1208", 0x6f),
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+ },
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+};
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+
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+static struct resource fsg_uart_resources[] = {
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+ {
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+ .start = IXP4XX_UART1_BASE_PHYS,
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+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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+ .start = IXP4XX_UART2_BASE_PHYS,
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+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+ }
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+};
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+
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+static struct plat_serial8250_port fsg_uart_data[] = {
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+ {
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+ .mapbase = IXP4XX_UART1_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART1,
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+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ {
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+ .mapbase = IXP4XX_UART2_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART2,
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+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ { }
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+};
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+
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+static struct platform_device fsg_uart = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev.platform_data = fsg_uart_data,
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+ .num_resources = ARRAY_SIZE(fsg_uart_resources),
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+ .resource = fsg_uart_resources,
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+};
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+
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+static struct platform_device fsg_leds = {
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+ .name = "fsg-led",
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+ .id = -1,
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+};
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+
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+/* Built-in 10/100 Ethernet MAC interfaces */
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+static struct eth_plat_info fsg_plat_eth[] = {
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+ {
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+ .phy = 5,
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+ .rxq = 3,
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+ .txreadyq = 20,
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+ }, {
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+ .phy = 4,
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+ .rxq = 4,
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+ .txreadyq = 21,
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+ }
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+};
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+
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+static struct platform_device fsg_eth[] = {
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+ {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEB,
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+ .dev.platform_data = fsg_plat_eth,
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+ }, {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEC,
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+ .dev.platform_data = fsg_plat_eth + 1,
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+ }
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+};
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+
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+static struct platform_device *fsg_devices[] __initdata = {
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+ &fsg_i2c_gpio,
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+ &fsg_flash,
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+ &fsg_leds,
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+ &fsg_eth[0],
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+ &fsg_eth[1],
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+};
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+
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+static void fsg_power_off(void)
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+{
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+ printk(KERN_INFO "Restarting system.\n");
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+ machine_restart(NULL);
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+}
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+
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+static irqreturn_t fsg_power_handler(int irq, void *dev_id)
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+{
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+ /* Signal init to do the ctrlaltdel action, this will bypass init if
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+ * it hasn't started and do a kernel_restart.
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+ */
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+ ctrl_alt_del();
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t fsg_reset_handler(int irq, void *dev_id)
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+{
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+ /* This is the paper-clip reset, it shuts the machine down directly.
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+ */
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+ machine_power_off();
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static void __init fsg_init(void)
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+{
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+ DECLARE_MAC_BUF(mac_buf);
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+ uint8_t __iomem *f;
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+ int i;
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+
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+ ixp4xx_sys_init();
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+
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+ fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ fsg_flash_resource.end =
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+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
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+
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+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
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+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
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+
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+ /* Configure CS2 for operation, 8bit and writable */
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+ *IXP4XX_EXP_CS2 = 0xbfff0002;
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+
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+ i2c_register_board_info(0, fsg_i2c_board_info,
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+ ARRAY_SIZE(fsg_i2c_board_info));
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+
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+ /* This is only useful on a modified machine, but it is valuable
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+ * to have it first in order to see debug messages, and so that
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+ * it does *not* get removed if platform_add_devices fails!
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+ */
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+ (void)platform_device_register(&fsg_uart);
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+
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+ platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
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+
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+ pm_power_off = fsg_power_off;
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+
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+ set_irq_type(gpio_to_irq(FSG_RB_GPIO), IRQT_LOW);
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+ if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler,
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+ IRQF_DISABLED, "FSG reset button", NULL) < 0) {
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+
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+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
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+ gpio_to_irq(FSG_RB_GPIO));
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+ }
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+
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+ set_irq_type(gpio_to_irq(FSG_SB_GPIO), IRQT_LOW);
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+ if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler,
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+ IRQF_DISABLED, "FSG power button", NULL) < 0) {
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+
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+ printk(KERN_DEBUG "Power Button IRQ %d not available\n",
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+ gpio_to_irq(FSG_SB_GPIO));
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+ }
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+
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+ /*
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+ * Map in a portion of the flash and read the MAC addresses.
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+ * Since it is stored in BE in the flash itself, we need to
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+ * byteswap it if we're in LE mode.
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+ */
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+ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x400000);
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+ if (f) {
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+#ifdef __ARMEB__
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+ for (i = 0; i < 6; i++) {
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+ fsg_plat_eth[0].hwaddr[i] = readb(f + 0x3C0422 + i);
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+ fsg_plat_eth[1].hwaddr[i] = readb(f + 0x3C043B + i);
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+ }
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+#else
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+
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+ /*
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+ Endian-swapped reads from unaligned addresses are
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+ required to extract the two MACs from the big-endian
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+ Redboot config area in flash.
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+ */
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+
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+ fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421);
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+ fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420);
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+ fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427);
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+ fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426);
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+ fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425);
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+ fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424);
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+
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+ fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439);
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+ fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F);
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+ fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E);
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+ fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D);
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+ fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C);
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+ fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443);
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+#endif
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+ iounmap(f);
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+ }
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+ printk(KERN_INFO "FSG: Using MAC address %s for port 0\n",
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+ print_mac(mac_buf, fsg_plat_eth[0].hwaddr));
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+ printk(KERN_INFO "FSG: Using MAC address %s for port 1\n",
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+ print_mac(mac_buf, fsg_plat_eth[1].hwaddr));
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+
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+}
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+
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+MACHINE_START(FSG, "Freecom FSG-3")
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+ /* Maintainer: www.nslu2-linux.org */
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+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
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+ .map_io = ixp4xx_map_io,
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+ .init_irq = ixp4xx_init_irq,
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+ .timer = &ixp4xx_timer,
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+ .boot_params = 0x0100,
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+ .init_machine = fsg_init,
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+MACHINE_END
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+
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Index: linux-2.6.24/include/asm-arm/arch-ixp4xx/fsg.h
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.6.24/include/asm-arm/arch-ixp4xx/fsg.h 2008-03-20 21:09:12.000000000 +1030
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@@ -0,0 +1,50 @@
|
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+/*
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+ * include/asm-arm/arch-ixp4xx/fsg.h
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+ *
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+ * Freecom FSG-3 platform specific definitions
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+ *
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+ * Author: Rod Whitby <rod@whitby.id.au>
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+ * Author: Tomasz Chmielewski <mangoo@wpkg.org>
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+ * Maintainers: http://www.nslu2-linux.org
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+ *
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+ * Based on coyote.h by
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+ * Copyright 2004 (c) MontaVista, Software, Inc.
|
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+ *
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+ * This file is licensed under the terms of the GNU General Public
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+ * License version 2. This program is licensed "as is" without any
|
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+ * warranty of any kind, whether express or implied.
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+ */
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+
|
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+#ifndef __ASM_ARCH_HARDWARE_H__
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+#error "Do not include this directly, instead #include <asm/hardware.h>"
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+#endif
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+
|
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+#define FSG_SDA_PIN 12
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+#define FSG_SCL_PIN 13
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+
|
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+/*
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+ * 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 /* sync button */
|
|
+#define FSG_RB_GPIO 9 /* reset button */
|
|
+#define FSG_UB_GPIO 10 /* usb button */
|
|
+
|
|
+/* LEDs */
|
|
+
|
|
+#define FSG_LED_WLAN_BIT 0
|
|
+#define FSG_LED_WAN_BIT 1
|
|
+#define FSG_LED_SATA_BIT 2
|
|
+#define FSG_LED_USB_BIT 4
|
|
+#define FSG_LED_RING_BIT 5
|
|
+#define FSG_LED_SYNC_BIT 7
|
|
Index: linux-2.6.24/include/asm-arm/arch-ixp4xx/hardware.h
|
|
===================================================================
|
|
--- linux-2.6.24.orig/include/asm-arm/arch-ixp4xx/hardware.h 2008-03-20 21:07:50.000000000 +1030
|
|
+++ linux-2.6.24/include/asm-arm/arch-ixp4xx/hardware.h 2008-03-20 21:09:12.000000000 +1030
|
|
@@ -45,5 +45,6 @@
|
|
#include "nslu2.h"
|
|
#include "nas100d.h"
|
|
#include "dsmg600.h"
|
|
+#include "fsg.h"
|
|
|
|
#endif /* _ASM_ARCH_HARDWARE_H */
|
|
Index: linux-2.6.24/include/asm-arm/arch-ixp4xx/irqs.h
|
|
===================================================================
|
|
--- linux-2.6.24.orig/include/asm-arm/arch-ixp4xx/irqs.h 2008-03-20 21:07:50.000000000 +1030
|
|
+++ linux-2.6.24/include/asm-arm/arch-ixp4xx/irqs.h 2008-03-20 21:09:12.000000000 +1030
|
|
@@ -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
|
|
Index: linux-2.6.24/drivers/leds/Kconfig
|
|
===================================================================
|
|
--- linux-2.6.24.orig/drivers/leds/Kconfig 2008-03-20 21:07:50.000000000 +1030
|
|
+++ linux-2.6.24/drivers/leds/Kconfig 2008-03-20 21:09:12.000000000 +1030
|
|
@@ -48,6 +48,12 @@
|
|
particular board must have LEDs and they must be connected
|
|
to the GPIO lines. If unsure, say Y.
|
|
|
|
+config LEDS_FSG
|
|
+ tristate "LED Support for the Freecom FSG-3"
|
|
+ depends on LEDS_CLASS && MACH_FSG
|
|
+ help
|
|
+ This option enables support for the LEDs on the Freecom FSG-3.
|
|
+
|
|
config LEDS_TOSA
|
|
tristate "LED Support for the Sharp SL-6000 series"
|
|
depends on LEDS_CLASS && PXA_SHARPSL
|
|
Index: linux-2.6.24/drivers/leds/Makefile
|
|
===================================================================
|
|
--- linux-2.6.24.orig/drivers/leds/Makefile 2008-03-20 21:07:50.000000000 +1030
|
|
+++ linux-2.6.24/drivers/leds/Makefile 2008-03-20 21:09:56.000000000 +1030
|
|
@@ -20,6 +20,7 @@
|
|
obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
|
|
obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
|
|
obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
|
|
+obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
|
|
|
|
# LED Triggers
|
|
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
|
|
Index: linux-2.6.24/drivers/leds/leds-fsg.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-2.6.24/drivers/leds/leds-fsg.c 2008-03-20 21:09:12.000000000 +1030
|
|
@@ -0,0 +1,261 @@
|
|
+/*
|
|
+ * LED Driver for the Freecom FSG-3
|
|
+ *
|
|
+ * Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
|
|
+ *
|
|
+ * Author: Rod Whitby <rod@whitby.id.au>
|
|
+ *
|
|
+ * Based on leds-spitz.c
|
|
+ * Copyright 2005-2006 Openedhand Ltd.
|
|
+ * Author: Richard Purdie <rpurdie@openedhand.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/init.h>
|
|
+#include <linux/platform_device.h>
|
|
+#include <linux/leds.h>
|
|
+#include <asm/arch/hardware.h>
|
|
+#include <asm/io.h>
|
|
+
|
|
+static short __iomem *latch_address;
|
|
+static unsigned short latch_value;
|
|
+
|
|
+
|
|
+static void fsg_led_wlan_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_WLAN_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_WLAN_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fsg_led_wan_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_WAN_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_WAN_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fsg_led_sata_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_SATA_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_SATA_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fsg_led_usb_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_USB_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_USB_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fsg_led_sync_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_SYNC_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_SYNC_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+static void fsg_led_ring_set(struct led_classdev *led_cdev,
|
|
+ enum led_brightness value)
|
|
+{
|
|
+ if (value) {
|
|
+ latch_value &= ~(1 << FSG_LED_RING_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ } else {
|
|
+ latch_value |= (1 << FSG_LED_RING_BIT);
|
|
+ *latch_address = latch_value;
|
|
+ }
|
|
+}
|
|
+
|
|
+
|
|
+
|
|
+static struct led_classdev fsg_wlan_led = {
|
|
+ .name = "fsg:blue:wlan",
|
|
+ .brightness_set = fsg_led_wlan_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_wan_led = {
|
|
+ .name = "fsg:blue:wan",
|
|
+ .brightness_set = fsg_led_wan_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_sata_led = {
|
|
+ .name = "fsg:blue:sata",
|
|
+ .brightness_set = fsg_led_sata_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_usb_led = {
|
|
+ .name = "fsg:blue:usb",
|
|
+ .brightness_set = fsg_led_usb_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_sync_led = {
|
|
+ .name = "fsg:blue:sync",
|
|
+ .brightness_set = fsg_led_sync_set,
|
|
+};
|
|
+
|
|
+static struct led_classdev fsg_ring_led = {
|
|
+ .name = "fsg:blue:ring",
|
|
+ .brightness_set = fsg_led_ring_set,
|
|
+};
|
|
+
|
|
+
|
|
+
|
|
+#ifdef CONFIG_PM
|
|
+static int fsg_led_suspend(struct platform_device *dev, pm_message_t state)
|
|
+{
|
|
+ led_classdev_suspend(&fsg_wlan_led);
|
|
+ led_classdev_suspend(&fsg_wan_led);
|
|
+ led_classdev_suspend(&fsg_sata_led);
|
|
+ led_classdev_suspend(&fsg_usb_led);
|
|
+ led_classdev_suspend(&fsg_sync_led);
|
|
+ led_classdev_suspend(&fsg_ring_led);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int fsg_led_resume(struct platform_device *dev)
|
|
+{
|
|
+ led_classdev_resume(&fsg_wlan_led);
|
|
+ led_classdev_resume(&fsg_wan_led);
|
|
+ led_classdev_resume(&fsg_sata_led);
|
|
+ led_classdev_resume(&fsg_usb_led);
|
|
+ led_classdev_resume(&fsg_sync_led);
|
|
+ led_classdev_resume(&fsg_ring_led);
|
|
+ return 0;
|
|
+}
|
|
+#endif
|
|
+
|
|
+
|
|
+static int fsg_led_probe(struct platform_device *pdev)
|
|
+{
|
|
+ int ret;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_wlan_led);
|
|
+ if (ret < 0)
|
|
+ goto failwlan;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_wan_led);
|
|
+ if (ret < 0)
|
|
+ goto failwan;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_sata_led);
|
|
+ if (ret < 0)
|
|
+ goto failsata;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_usb_led);
|
|
+ if (ret < 0)
|
|
+ goto failusb;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_sync_led);
|
|
+ if (ret < 0)
|
|
+ goto failsync;
|
|
+
|
|
+ ret = led_classdev_register(&pdev->dev, &fsg_ring_led);
|
|
+ if (ret < 0)
|
|
+ goto failring;
|
|
+
|
|
+ /* Map the LED chip select address space */
|
|
+ latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
|
|
+ if (!latch_address) {
|
|
+ ret = -ENOMEM;
|
|
+ goto failremap;
|
|
+ }
|
|
+
|
|
+ latch_value = 0xffff;
|
|
+ *latch_address = latch_value;
|
|
+
|
|
+ return ret;
|
|
+
|
|
+ failremap:
|
|
+ led_classdev_unregister(&fsg_ring_led);
|
|
+ failring:
|
|
+ led_classdev_unregister(&fsg_sync_led);
|
|
+ failsync:
|
|
+ led_classdev_unregister(&fsg_usb_led);
|
|
+ failusb:
|
|
+ led_classdev_unregister(&fsg_sata_led);
|
|
+ failsata:
|
|
+ led_classdev_unregister(&fsg_wan_led);
|
|
+ failwan:
|
|
+ led_classdev_unregister(&fsg_wlan_led);
|
|
+ failwlan:
|
|
+
|
|
+ return ret;
|
|
+}
|
|
+
|
|
+static int fsg_led_remove(struct platform_device *pdev)
|
|
+{
|
|
+ iounmap(latch_address);
|
|
+
|
|
+ led_classdev_unregister(&fsg_wlan_led);
|
|
+ led_classdev_unregister(&fsg_wan_led);
|
|
+ led_classdev_unregister(&fsg_sata_led);
|
|
+ led_classdev_unregister(&fsg_usb_led);
|
|
+ led_classdev_unregister(&fsg_sync_led);
|
|
+ led_classdev_unregister(&fsg_ring_led);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+
|
|
+static struct platform_driver fsg_led_driver = {
|
|
+ .probe = fsg_led_probe,
|
|
+ .remove = fsg_led_remove,
|
|
+#ifdef CONFIG_PM
|
|
+ .suspend = fsg_led_suspend,
|
|
+ .resume = fsg_led_resume,
|
|
+#endif
|
|
+ .driver = {
|
|
+ .name = "fsg-led",
|
|
+ },
|
|
+};
|
|
+
|
|
+
|
|
+static int __init fsg_led_init(void)
|
|
+{
|
|
+ return platform_driver_register(&fsg_led_driver);
|
|
+}
|
|
+
|
|
+static void __exit fsg_led_exit(void)
|
|
+{
|
|
+ platform_driver_unregister(&fsg_led_driver);
|
|
+}
|
|
+
|
|
+
|
|
+module_init(fsg_led_init);
|
|
+module_exit(fsg_led_exit);
|
|
+
|
|
+MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
|
|
+MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
|
|
+MODULE_LICENSE("GPL");
|
|
|