---

yaml
---
r: 54051
b: refs/heads/master
c: 28bd3a0
h: refs/heads/master
i:
  54049: 23a38e3
  54047: 624d9a1
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 53b2e01be55f3c140e2704cf8d5f99ddba0ff823
+refs/heads/master: 28bd3a0dcce11bea6f99a351cc64053dff00196e

trunk/arch/arm/mach-ixp4xx/Kconfig

@@ -95,6 +95,15 @@ config MACH_NAS100D
 	  NAS 100d device. For more information on this platform,
 	  see http://www.nslu2-linux.org/wiki/NAS100d/HomePage
 
+config MACH_DSMG600
+	bool
+	prompt "D-Link DSM-G600 RevA"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support D-Link's
+	  DSM-G600 RevA device. For more information on this platform,
+	  see http://www.nslu2-linux.org/wiki/DSMG600/HomePage
+
 #
 # Avila and IXDP share the same source for now. Will change in future
 #

trunk/arch/arm/mach-ixp4xx/Makefile

@@ -12,6 +12,7 @@ obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o
 obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o
 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-y	+= common.o
 
@@ -22,5 +23,6 @@ obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o
 obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o
 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_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o

trunk/arch/arm/mach-ixp4xx/dsmg600-pci.c

@@ -0,0 +1,74 @@
+/*
+ * DSM-G600 board-level PCI initialization
+ *
+ * Copyright (C) 2006 Tower Technologies
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * based on ixdp425-pci.c:
+ *	Copyright (C) 2002 Intel Corporation.
+ *	Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+void __init dsmg600_pci_preinit(void)
+{
+	set_irq_type(IRQ_DSMG600_PCI_INTA, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTB, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTC, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTD, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTE, IRQT_LOW);
+	set_irq_type(IRQ_DSMG600_PCI_INTF, IRQT_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init dsmg600_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	static int pci_irq_table[DSMG600_PCI_MAX_DEV][DSMG600_PCI_IRQ_LINES] =
+	{
+		{ IRQ_DSMG600_PCI_INTE, -1, -1 },
+		{ IRQ_DSMG600_PCI_INTA, -1, -1 },
+		{ IRQ_DSMG600_PCI_INTB, IRQ_DSMG600_PCI_INTC, IRQ_DSMG600_PCI_INTD },
+		{ IRQ_DSMG600_PCI_INTF, -1, -1 },
+	};
+
+	int irq = -1;
+
+	if (slot >= 1 && slot <= DSMG600_PCI_MAX_DEV &&
+		pin >= 1 && pin <= DSMG600_PCI_IRQ_LINES)
+		irq = pci_irq_table[slot-1][pin-1];
+
+	return irq;
+}
+
+struct hw_pci __initdata dsmg600_pci = {
+	.nr_controllers = 1,
+	.preinit	= dsmg600_pci_preinit,
+	.swizzle	= pci_std_swizzle,
+	.setup		= ixp4xx_setup,
+	.scan		= ixp4xx_scan_bus,
+	.map_irq	= dsmg600_map_irq,
+};
+
+int __init dsmg600_pci_init(void)
+{
+	if (machine_is_dsmg600())
+		pci_common_init(&dsmg600_pci);
+
+	return 0;
+}
+
+subsys_initcall(dsmg600_pci_init);

trunk/arch/arm/mach-ixp4xx/dsmg600-power.c

@@ -0,0 +1,125 @@
+/*
+ * arch/arm/mach-ixp4xx/dsmg600-power.c
+ *
+ * DSM-G600 Power/Reset driver
+ * Author: Michael Westerhof <mwester@dls.net>
+ *
+ * Based on nslu2-power.c
+ *  Copyright (C) 2005 Tower Technologies
+ *  Author: Alessandro Zummo <a.zummo@towertech.it>
+ *
+ * which was based on nslu2-io.c
+ *  Copyright (C) 2004 Karen Spearel
+ *
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/reboot.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+
+#include <asm/mach-types.h>
+
+extern void ctrl_alt_del(void);
+
+/* This is used to make sure the power-button pusher is serious.  The button
+ * must be held until the value of this counter reaches zero.
+ */
+static volatile int power_button_countdown;
+
+/* Must hold the button down for at least this many counts to be processed */
+#define PBUTTON_HOLDDOWN_COUNT 4 /* 2 secs */
+
+static void dsmg600_power_handler(unsigned long data);
+static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler, 0, 0);
+
+static void dsmg600_power_handler(unsigned long data)
+{
+	/* This routine is called twice per second to check the
+	 * state of the power button.
+	 */
+
+	if (*IXP4XX_GPIO_GPINR & DSMG600_PB_BM) {
+
+		/* IO Pin is 1 (button pushed) */
+		if (power_button_countdown == 0) {
+			/* Signal init to do the ctrlaltdel action, this will bypass
+			 * init if it hasn't started and do a kernel_restart.
+			 */
+			ctrl_alt_del();
+
+			/* Change the state of the power LED to "blink" */
+			gpio_line_set(DSMG600_LED_PWR_GPIO, IXP4XX_GPIO_LOW);
+		}
+		power_button_countdown--;
+
+	} else {
+		power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+	}
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+}
+
+static irqreturn_t dsmg600_reset_handler(int irq, void *dev_id)
+{
+	/* This is the paper-clip reset, it shuts the machine down directly. */
+	machine_power_off();
+
+	return IRQ_HANDLED;
+}
+
+static int __init dsmg600_power_init(void)
+{
+	if (!(machine_is_dsmg600()))
+		return 0;
+
+	if (request_irq(DSMG600_RB_IRQ, &dsmg600_reset_handler,
+		IRQF_DISABLED | IRQF_TRIGGER_LOW, "DSM-G600 reset button",
+		NULL) < 0) {
+
+		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
+			DSMG600_RB_IRQ);
+
+		return -EIO;
+	}
+
+	/* The power button on the D-Link DSM-G600 is on GPIO 15, but
+	 * it cannot handle interrupts on that GPIO line.  So we'll
+	 * have to poll it with a kernel timer.
+	 */
+
+	/* Make sure that the power button GPIO is set up as an input */
+	gpio_line_config(DSMG600_PB_GPIO, IXP4XX_GPIO_IN);
+
+	/* Set the initial value for the power button IRQ handler */
+	power_button_countdown = PBUTTON_HOLDDOWN_COUNT;
+
+	mod_timer(&dsmg600_power_timer, jiffies + msecs_to_jiffies(500));
+
+	return 0;
+}
+
+static void __exit dsmg600_power_exit(void)
+{
+	if (!(machine_is_dsmg600()))
+		return;
+
+	del_timer_sync(&dsmg600_power_timer);
+
+	free_irq(DSMG600_RB_IRQ, NULL);
+}
+
+module_init(dsmg600_power_init);
+module_exit(dsmg600_power_exit);
+
+MODULE_AUTHOR("Michael Westerhof <mwester@dls.net>");
+MODULE_DESCRIPTION("DSM-G600 Power/Reset driver");
+MODULE_LICENSE("GPL");