Commit 42be2c98 authored by Linus Walleij's avatar Linus Walleij
Browse files

ARM: ixp4xx: Delete the D-Link DSM-G600 boardfiles



This board is replaced with the corresponding device tree.

Cc: Michael-Luke Jones <mlj28@cam.ac.uk>
Cc: Rod Whitby <rod@whitby.id.au>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Michael Westerhof <mwester@dls.net>
Cc: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent ee2f116b
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@@ -110,15 +110,6 @@ config ARCH_PRPMC1100
	  PrPCM1100 Processor Mezanine Module. For more information on
	  this platform, see <file:Documentation/arm/ixp4xx.rst>.

config MACH_DSMG600
	bool
	prompt "D-Link DSM-G600 RevA"
	depends on IXP4XX_PCI_LEGACY
	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

config	ARCH_IXDP4XX
	bool
	depends on ARCH_IXDP425 || MACH_IXDP465 || MACH_KIXRP435
+0 −2
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@@ -15,7 +15,6 @@ obj-pci-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o
obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o
obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o
obj-pci-$(CONFIG_MACH_MICCPT)		+= miccpt-pci.o
obj-pci-$(CONFIG_MACH_DSMG600)		+= dsmg600-pci.o
obj-pci-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-pci.o
obj-pci-$(CONFIG_MACH_WG302V2)		+= wg302v2-pci.o
obj-pci-$(CONFIG_MACH_FSG)		+= fsg-pci.o
@@ -31,7 +30,6 @@ obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-setup.o
obj-$(CONFIG_MACH_DEVIXP)	+= omixp-setup.o
obj-$(CONFIG_MACH_MICCPT)	+= omixp-setup.o
obj-$(CONFIG_MACH_MIC256)	+= omixp-setup.o
obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o
obj-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-setup.o
obj-$(CONFIG_MACH_WG302V2)	+= wg302v2-setup.o
obj-$(CONFIG_MACH_FSG)		+= fsg-setup.o
+0 −77
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// SPDX-License-Identifier: GPL-2.0-only
/*
 * 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/
 */

#include <linux/pci.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/mach/pci.h>
#include <asm/mach-types.h>

#include "irqs.h"

#define MAX_DEV		4
#define IRQ_LINES	3

/* PCI controller GPIO to IRQ pin mappings */
#define INTA		11
#define INTB		10
#define INTC		9
#define INTD		8
#define INTE		7
#define INTF		6

void __init dsmg600_pci_preinit(void)
{
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTA), IRQ_TYPE_LEVEL_LOW);
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTB), IRQ_TYPE_LEVEL_LOW);
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTC), IRQ_TYPE_LEVEL_LOW);
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTD), IRQ_TYPE_LEVEL_LOW);
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTE), IRQ_TYPE_LEVEL_LOW);
	irq_set_irq_type(IXP4XX_GPIO_IRQ(INTF), IRQ_TYPE_LEVEL_LOW);
	ixp4xx_pci_preinit();
}

static int __init dsmg600_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
	static int pci_irq_table[MAX_DEV][IRQ_LINES] = {
		{ IXP4XX_GPIO_IRQ(INTE), -1, -1 },
		{ IXP4XX_GPIO_IRQ(INTA), -1, -1 },
		{ IXP4XX_GPIO_IRQ(INTB), IXP4XX_GPIO_IRQ(INTC),
		  IXP4XX_GPIO_IRQ(INTD) },
		{ IXP4XX_GPIO_IRQ(INTF), -1, -1 },
	};

	if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
		return pci_irq_table[slot - 1][pin - 1];

	return -1;
}

struct hw_pci __initdata dsmg600_pci = {
	.nr_controllers = 1,
	.ops		= &ixp4xx_ops,
	.preinit	= dsmg600_pci_preinit,
	.setup		= ixp4xx_setup,
	.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);
+0 −304
Original line number Diff line number Diff line
// SPDX-License-Identifier: GPL-2.0
/*
 * DSM-G600 board-setup
 *
 * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au>
 * Copyright (C) 2006 Tower Technologies
 *
 * based on ixdp425-setup.c:
 *      Copyright (C) 2003-2004 MontaVista Software, Inc.
 * based on nslu2-power.c:
 *	Copyright (C) 2005 Tower Technologies
 * based on nslu2-io.c:
 *	Copyright (C) 2004 Karen Spearel
 *
 * Author: Alessandro Zummo <a.zummo@towertech.it>
 * Author: Michael Westerhof <mwester@dls.net>
 * Author: Rod Whitby <rod@whitby.id.au>
 * Maintainers: http://www.nslu2-linux.org/
 */
#include <linux/gpio.h>
#include <linux/irq.h>
#include <linux/jiffies.h>
#include <linux/timer.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/leds.h>
#include <linux/reboot.h>
#include <linux/i2c.h>
#include <linux/gpio/machine.h>

#include <mach/hardware.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/time.h>

#include "irqs.h"

#define DSMG600_SDA_PIN		5
#define DSMG600_SCL_PIN		4

/* DSM-G600 Timer Setting */
#define DSMG600_FREQ		66000000

/* Buttons */
#define DSMG600_PB_GPIO		15	/* power button */
#define DSMG600_RB_GPIO		3	/* reset button */

/* Power control */
#define DSMG600_PO_GPIO		2	/* power off */

/* LEDs */
#define DSMG600_LED_PWR_GPIO	0
#define DSMG600_LED_WLAN_GPIO	14

static struct flash_platform_data dsmg600_flash_data = {
	.map_name		= "cfi_probe",
	.width			= 2,
};

static struct resource dsmg600_flash_resource = {
	.flags			= IORESOURCE_MEM,
};

static struct platform_device dsmg600_flash = {
	.name			= "IXP4XX-Flash",
	.id			= 0,
	.dev.platform_data	= &dsmg600_flash_data,
	.num_resources		= 1,
	.resource		= &dsmg600_flash_resource,
};

static struct gpiod_lookup_table dsmg600_i2c_gpiod_table = {
	.dev_id		= "i2c-gpio.0",
	.table		= {
		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", DSMG600_SDA_PIN,
				NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", DSMG600_SCL_PIN,
				NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
	},
};

static struct platform_device dsmg600_i2c_gpio = {
	.name			= "i2c-gpio",
	.id			= 0,
	.dev	 = {
		.platform_data	= NULL,
	},
};

static struct i2c_board_info __initdata dsmg600_i2c_board_info [] = {
	{
		I2C_BOARD_INFO("pcf8563", 0x51),
	},
};

static struct gpio_led dsmg600_led_pins[] = {
	{
		.name		= "dsmg600:green:power",
		.gpio		= DSMG600_LED_PWR_GPIO,
	},
	{
		.name		= "dsmg600:green:wlan",
		.gpio		= DSMG600_LED_WLAN_GPIO,
		.active_low	= true,
	},
};

static struct gpio_led_platform_data dsmg600_led_data = {
	.num_leds		= ARRAY_SIZE(dsmg600_led_pins),
	.leds			= dsmg600_led_pins,
};

static struct platform_device dsmg600_leds = {
	.name			= "leds-gpio",
	.id			= -1,
	.dev.platform_data	= &dsmg600_led_data,
};

static struct resource dsmg600_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 dsmg600_uart_data[] = {
	{
		.mapbase	= IXP4XX_UART1_BASE_PHYS,
		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
		.irq		= IRQ_IXP4XX_UART1,
		.flags		= UPF_BOOT_AUTOCONF,
		.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,
		.iotype		= UPIO_MEM,
		.regshift	= 2,
		.uartclk	= IXP4XX_UART_XTAL,
	},
	{ }
};

static struct platform_device dsmg600_uart = {
	.name			= "serial8250",
	.id			= PLAT8250_DEV_PLATFORM,
	.dev.platform_data	= dsmg600_uart_data,
	.num_resources		= ARRAY_SIZE(dsmg600_uart_resources),
	.resource		= dsmg600_uart_resources,
};

static struct platform_device *dsmg600_devices[] __initdata = {
	&dsmg600_i2c_gpio,
	&dsmg600_flash,
	&dsmg600_leds,
};

static void dsmg600_power_off(void)
{
	/* enable the pwr cntl and drive it high */
	gpio_direction_output(DSMG600_PO_GPIO, 1);
}

/* 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 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(struct timer_list *unused);
static DEFINE_TIMER(dsmg600_power_timer, dsmg600_power_handler);

static void dsmg600_power_handler(struct timer_list *unused)
{
	/* This routine is called twice per second to check the
	 * state of the power button.
	 */

	if (gpio_get_value(DSMG600_PB_GPIO)) {

		/* IO Pin is 1 (button pushed) */
		if (power_button_countdown > 0)
			power_button_countdown--;

	} else {

		/* Done on button release, to allow for auto-power-on mods. */
		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_set_value(DSMG600_LED_PWR_GPIO, 0);
		} 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 void __init dsmg600_timer_init(void)
{
    /* The xtal on this machine is non-standard. */
    ixp4xx_timer_freq = DSMG600_FREQ;

    /* Call standard timer_init function. */
    ixp4xx_timer_init();
}

static int __init dsmg600_gpio_init(void)
{
	if (!machine_is_dsmg600())
		return 0;

	gpio_request(DSMG600_RB_GPIO, "reset button");
	if (request_irq(gpio_to_irq(DSMG600_RB_GPIO), &dsmg600_reset_handler,
		IRQF_TRIGGER_LOW, "DSM-G600 reset button", NULL) < 0) {

		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
			gpio_to_irq(DSMG600_RB_GPIO));
	}

	/*
	 * 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_request(DSMG600_PB_GPIO, "power button");
	gpio_direction_input(DSMG600_PB_GPIO);
	/* Request poweroff GPIO line */
	gpio_request(DSMG600_PO_GPIO, "power off button");

	/* 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;
}
device_initcall(dsmg600_gpio_init);

static void __init dsmg600_init(void)
{
	ixp4xx_sys_init();

	dsmg600_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
	dsmg600_flash_resource.end =
		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;

	gpiod_add_lookup_table(&dsmg600_i2c_gpiod_table);
	i2c_register_board_info(0, dsmg600_i2c_board_info,
				ARRAY_SIZE(dsmg600_i2c_board_info));

	/* The UART is required on the DSM-G600 (Redboot cannot use the
	 * NIC) -- do it here so that it does *not* get removed if
	 * platform_add_devices fails!
         */
        (void)platform_device_register(&dsmg600_uart);

	platform_add_devices(dsmg600_devices, ARRAY_SIZE(dsmg600_devices));

	pm_power_off = dsmg600_power_off;
}

MACHINE_START(DSMG600, "D-Link DSM-G600 RevA")
	/* Maintainer: www.nslu2-linux.org */
	.atag_offset	= 0x100,
	.map_io		= ixp4xx_map_io,
	.init_early	= ixp4xx_init_early,
	.init_irq	= ixp4xx_init_irq,
	.init_time	= dsmg600_timer_init,
	.init_machine	= dsmg600_init,
#if defined(CONFIG_PCI)
	.dma_zone_size	= SZ_64M,
#endif
	.restart	= ixp4xx_restart,
MACHINE_END