mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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30d336cfc5
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11297 3c298f89-4303-0410-b956-a3cf2f4a3e73
560 lines
14 KiB
Diff
560 lines
14 KiB
Diff
From: Rod Whitby <rod@whitby.id.au>
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Subject: [PATCH] ixp4xx: Add support for the Freecom FSG-3 board (Patch #4874)
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The Freecom-FSG3 is a small network-attached-storage device with the
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following feature set:
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* Intel IXP422
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* 4MB Flash (ixp4xx flash driver)
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* 64MB RAM
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* 4 USB 2.0 host ports (ehci and ohci drivers)
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* 1 WAN (eth1) and 3 LAN (eth0) ethernet ports
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* Supported by the open source ixp4xx ethernet driver
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* Via VT6421 disk controller (libata and sata-via drivers)
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* Internal hard disk (PATA supported, SATA not yet supported)
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* External SATA port (not yet supported)
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* ISL1208 RTC chip
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* Winbond 83782 temp sensor and fan controller
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* MiniPCI slot
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The ixp4xx_defconfig is also updated to support this device (the
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leds-fsg driver is to be submitted separately via the leds tree after
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this initial support is merged, as it depends on header gpio defines).
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Signed-off-by: Rod Whitby <rod@whitby.id.au>
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PATCH FOLLOWS
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KernelVersion: v2.6.25-rc6-74-g264e3e8
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---
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Updated to correct all issues found by RMK.
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The front power button calls ctrl_alt_del() and the rear reset button
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now calls machine_restart() directly.
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arch/arm/configs/ixp4xx_defconfig | 9 +-
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arch/arm/mach-ixp4xx/Kconfig | 9 +
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arch/arm/mach-ixp4xx/Makefile | 2 +
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arch/arm/mach-ixp4xx/fsg-pci.c | 71 ++++++++
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arch/arm/mach-ixp4xx/fsg-setup.c | 276 ++++++++++++++++++++++++++++++++
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include/asm-arm/arch-ixp4xx/fsg.h | 50 ++++++
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include/asm-arm/arch-ixp4xx/hardware.h | 1 +
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include/asm-arm/arch-ixp4xx/irqs.h | 7 +
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8 files changed, 421 insertions(+), 4 deletions(-)
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create mode 100644 arch/arm/mach-ixp4xx/fsg-pci.c
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create mode 100644 arch/arm/mach-ixp4xx/fsg-setup.c
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create mode 100644 include/asm-arm/arch-ixp4xx/fsg.h
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--- a/arch/arm/configs/ixp4xx_defconfig
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+++ b/arch/arm/configs/ixp4xx_defconfig
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@@ -165,6 +165,7 @@
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CONFIG_MACH_NAS100D=y
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CONFIG_MACH_DSMG600=y
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CONFIG_ARCH_IXDP4XX=y
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+CONFIG_MACH_FSG=y
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CONFIG_CPU_IXP46X=y
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CONFIG_CPU_IXP43X=y
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CONFIG_MACH_GTWX5715=y
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@@ -770,7 +771,7 @@
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# CONFIG_SATA_SIL24 is not set
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# CONFIG_SATA_SIS is not set
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# CONFIG_SATA_ULI is not set
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-# CONFIG_SATA_VIA is not set
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+CONFIG_SATA_VIA=y
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# CONFIG_SATA_VITESSE is not set
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# CONFIG_SATA_INIC162X is not set
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# CONFIG_PATA_ALI is not set
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@@ -1143,7 +1144,7 @@
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# CONFIG_SENSORS_VIA686A is not set
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# CONFIG_SENSORS_VT1211 is not set
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# CONFIG_SENSORS_VT8231 is not set
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-# CONFIG_SENSORS_W83781D is not set
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+CONFIG_SENSORS_W83781D=y
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# CONFIG_SENSORS_W83791D is not set
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# CONFIG_SENSORS_W83792D is not set
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# CONFIG_SENSORS_W83793 is not set
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@@ -1334,8 +1335,8 @@
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#
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# LED drivers
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#
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-# CONFIG_LEDS_IXP4XX is not set
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CONFIG_LEDS_GPIO=y
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+CONFIG_LEDS_FSG=y
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#
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# LED Triggers
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@@ -1367,7 +1368,7 @@
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# CONFIG_RTC_DRV_DS1672 is not set
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# CONFIG_RTC_DRV_MAX6900 is not set
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# CONFIG_RTC_DRV_RS5C372 is not set
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-# CONFIG_RTC_DRV_ISL1208 is not set
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+CONFIG_RTC_DRV_ISL1208=y
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CONFIG_RTC_DRV_X1205=y
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CONFIG_RTC_DRV_PCF8563=y
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# CONFIG_RTC_DRV_PCF8583 is not set
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--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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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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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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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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@@ -28,6 +29,7 @@
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obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o
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obj-$(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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obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/fsg-pci.c
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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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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
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@@ -0,0 +1,276 @@
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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 = {
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+ .platform_data = &fsg_flash_data,
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+ },
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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 = {
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+ .platform_data = fsg_uart_data,
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+ },
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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 = {
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+ .platform_data = fsg_plat_eth,
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+ },
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+ }, {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEC,
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+ .dev = {
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+ .platform_data = fsg_plat_eth + 1,
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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_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 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 which does an emergency reboot. */
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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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+ /* This should never be reached. */
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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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+ if (request_irq(gpio_to_irq(FSG_RB_GPIO), &fsg_reset_handler,
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+ IRQF_DISABLED | IRQF_TRIGGER_LOW,
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+ "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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+ if (request_irq(gpio_to_irq(FSG_SB_GPIO), &fsg_power_handler,
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+ IRQF_DISABLED | IRQF_TRIGGER_LOW,
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+ "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
|
|
+ required to extract the two MACs from the big-endian
|
|
+ Redboot config area in flash.
|
|
+ */
|
|
+
|
|
+ fsg_plat_eth[0].hwaddr[0] = readb(f + 0x3C0421);
|
|
+ fsg_plat_eth[0].hwaddr[1] = readb(f + 0x3C0420);
|
|
+ fsg_plat_eth[0].hwaddr[2] = readb(f + 0x3C0427);
|
|
+ fsg_plat_eth[0].hwaddr[3] = readb(f + 0x3C0426);
|
|
+ fsg_plat_eth[0].hwaddr[4] = readb(f + 0x3C0425);
|
|
+ fsg_plat_eth[0].hwaddr[5] = readb(f + 0x3C0424);
|
|
+
|
|
+ fsg_plat_eth[1].hwaddr[0] = readb(f + 0x3C0439);
|
|
+ fsg_plat_eth[1].hwaddr[1] = readb(f + 0x3C043F);
|
|
+ fsg_plat_eth[1].hwaddr[2] = readb(f + 0x3C043E);
|
|
+ fsg_plat_eth[1].hwaddr[3] = readb(f + 0x3C043D);
|
|
+ fsg_plat_eth[1].hwaddr[4] = readb(f + 0x3C043C);
|
|
+ fsg_plat_eth[1].hwaddr[5] = readb(f + 0x3C0443);
|
|
+#endif
|
|
+ iounmap(f);
|
|
+ }
|
|
+ printk(KERN_INFO "FSG: Using MAC address %s for port 0\n",
|
|
+ print_mac(mac_buf, fsg_plat_eth[0].hwaddr));
|
|
+ printk(KERN_INFO "FSG: Using MAC address %s for port 1\n",
|
|
+ print_mac(mac_buf, fsg_plat_eth[1].hwaddr));
|
|
+
|
|
+}
|
|
+
|
|
+MACHINE_START(FSG, "Freecom FSG-3")
|
|
+ /* Maintainer: www.nslu2-linux.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 = fsg_init,
|
|
+MACHINE_END
|
|
+
|
|
--- /dev/null
|
|
+++ b/include/asm-arm/arch-ixp4xx/fsg.h
|
|
@@ -0,0 +1,50 @@
|
|
+/*
|
|
+ * 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 /* 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
|
|
--- a/include/asm-arm/arch-ixp4xx/hardware.h
|
|
+++ b/include/asm-arm/arch-ixp4xx/hardware.h
|
|
@@ -45,5 +45,6 @@
|
|
#include "nslu2.h"
|
|
#include "nas100d.h"
|
|
#include "dsmg600.h"
|
|
+#include "fsg.h"
|
|
|
|
#endif /* _ASM_ARCH_HARDWARE_H */
|
|
--- a/include/asm-arm/arch-ixp4xx/irqs.h
|
|
+++ b/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
|