[PATCH 1/2] ARM: ixp4xx: Delete NSLU2 boardfiles

Linus Walleij linus.walleij at linaro.org
Wed Jul 14 05:09:35 PDT 2021


The NSLU2 is now completely migrated to use device tree exclusively
so delete the boardfiles.

Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 arch/arm/mach-ixp4xx/Kconfig       |   9 -
 arch/arm/mach-ixp4xx/Makefile      |   2 -
 arch/arm/mach-ixp4xx/nslu2-pci.c   |  69 ------
 arch/arm/mach-ixp4xx/nslu2-setup.c | 347 -----------------------------
 4 files changed, 427 deletions(-)
 delete mode 100644 arch/arm/mach-ixp4xx/nslu2-pci.c
 delete mode 100644 arch/arm/mach-ixp4xx/nslu2-setup.c

diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index bf14d65120b9..0c3aa91da9db 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -17,15 +17,6 @@ config MACH_IXP4XX_OF
 	help
 	  Say 'Y' here to support Device Tree-based IXP4xx platforms.
 
-config MACH_NSLU2
-	bool
-	prompt "Linksys NSLU2"
-	depends on IXP4XX_PCI_LEGACY
-	help
-	  Say 'Y' here if you want your kernel to support Linksys's
-	  NSLU2 NAS device. For more information on this platform,
-	  see http://www.nslu2-linux.org
-
 config MACH_AVILA
 	bool "Avila"
 	depends on IXP4XX_PCI_LEGACY
diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
index 1fa4e6605782..cee3c4609adc 100644
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -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-$(CONFIG_MACH_NSLU2)		+= nslu2-pci.o
 obj-pci-$(CONFIG_MACH_NAS100D)		+= nas100d-pci.o
 obj-pci-$(CONFIG_MACH_DSMG600)		+= dsmg600-pci.o
 obj-pci-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-pci.o
@@ -33,7 +32,6 @@ 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-$(CONFIG_MACH_NSLU2)	+= nslu2-setup.o
 obj-$(CONFIG_MACH_NAS100D)	+= nas100d-setup.o
 obj-$(CONFIG_MACH_DSMG600)      += dsmg600-setup.o
 obj-$(CONFIG_MACH_GATEWAY7001)	+= gateway7001-setup.o
diff --git a/arch/arm/mach-ixp4xx/nslu2-pci.c b/arch/arm/mach-ixp4xx/nslu2-pci.c
deleted file mode 100644
index c07936a1d736..000000000000
--- a/arch/arm/mach-ixp4xx/nslu2-pci.c
+++ /dev/null
@@ -1,69 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mach-ixp4xx/nslu2-pci.c
- *
- * NSLU2 board-level PCI initialization
- *
- * 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		3
-#define IRQ_LINES	3
-
-/* PCI controller GPIO to IRQ pin mappings */
-#define INTA		11
-#define INTB		10
-#define INTC		9
-#define INTD		8
-
-void __init nslu2_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);
-	ixp4xx_pci_preinit();
-}
-
-static int __init nslu2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-	static int pci_irq_table[IRQ_LINES] = {
-		IXP4XX_GPIO_IRQ(INTA),
-		IXP4XX_GPIO_IRQ(INTB),
-		IXP4XX_GPIO_IRQ(INTC),
-	};
-
-	if (slot >= 1 && slot <= MAX_DEV && pin >= 1 && pin <= IRQ_LINES)
-		return pci_irq_table[(slot + pin - 2) % IRQ_LINES];
-
-	return -1;
-}
-
-struct hw_pci __initdata nslu2_pci = {
-	.nr_controllers = 1,
-	.ops		= &ixp4xx_ops,
-	.preinit	= nslu2_pci_preinit,
-	.setup		= ixp4xx_setup,
-	.map_irq	= nslu2_map_irq,
-};
-
-int __init nslu2_pci_init(void) /* monkey see, monkey do */
-{
-	if (machine_is_nslu2())
-		pci_common_init(&nslu2_pci);
-
-	return 0;
-}
-
-subsys_initcall(nslu2_pci_init);
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
deleted file mode 100644
index a998ed53fec9..000000000000
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ /dev/null
@@ -1,347 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * arch/arm/mach-ixp4xx/nslu2-setup.c
- *
- * NSLU2 board-setup
- *
- * Copyright (C) 2008 Rod Whitby <rod at whitby.id.au>
- *
- * based on ixdp425-setup.c:
- *      Copyright (C) 2003-2004 MontaVista Software, Inc.
- * based on nslu2-power.c:
- *	Copyright (C) 2005 Tower Technologies
- *
- * Author: Mark Rakes <mrakes at mac.com>
- * Author: Rod Whitby <rod at whitby.id.au>
- * Author: Alessandro Zummo <a.zummo at towertech.it>
- * Maintainers: http://www.nslu2-linux.org/
- *
- */
-#include <linux/gpio.h>
-#include <linux/if_ether.h>
-#include <linux/irq.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 <linux/io.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/time.h>
-#include <mach/hardware.h>
-
-#include "irqs.h"
-
-#define NSLU2_SDA_PIN		7
-#define NSLU2_SCL_PIN		6
-
-/* NSLU2 Timer */
-#define NSLU2_FREQ 66000000
-
-/* Buttons */
-#define NSLU2_PB_GPIO		5	/* power button */
-#define NSLU2_PO_GPIO		8	/* power off */
-#define NSLU2_RB_GPIO		12	/* reset button */
-
-/* Buzzer */
-#define NSLU2_GPIO_BUZZ		4
-
-/* LEDs */
-#define NSLU2_LED_RED_GPIO	0
-#define NSLU2_LED_GRN_GPIO	1
-#define NSLU2_LED_DISK1_GPIO	3
-#define NSLU2_LED_DISK2_GPIO	2
-
-static struct flash_platform_data nslu2_flash_data = {
-	.map_name		= "cfi_probe",
-	.width			= 2,
-};
-
-static struct resource nslu2_flash_resource = {
-	.flags			= IORESOURCE_MEM,
-};
-
-static struct platform_device nslu2_flash = {
-	.name			= "IXP4XX-Flash",
-	.id			= 0,
-	.dev.platform_data	= &nslu2_flash_data,
-	.num_resources		= 1,
-	.resource		= &nslu2_flash_resource,
-};
-
-static struct gpiod_lookup_table nslu2_i2c_gpiod_table = {
-	.dev_id		= "i2c-gpio.0",
-	.table		= {
-		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NSLU2_SDA_PIN,
-				NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
-		GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NSLU2_SCL_PIN,
-				NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
-	},
-};
-
-static struct i2c_board_info __initdata nslu2_i2c_board_info [] = {
-	{
-		I2C_BOARD_INFO("x1205", 0x6f),
-	},
-};
-
-static struct gpio_led nslu2_led_pins[] = {
-	{
-		.name		= "nslu2:green:ready",
-		.gpio		= NSLU2_LED_GRN_GPIO,
-	},
-	{
-		.name		= "nslu2:red:status",
-		.gpio		= NSLU2_LED_RED_GPIO,
-	},
-	{
-		.name		= "nslu2:green:disk-1",
-		.gpio		= NSLU2_LED_DISK1_GPIO,
-		.active_low	= true,
-	},
-	{
-		.name		= "nslu2:green:disk-2",
-		.gpio		= NSLU2_LED_DISK2_GPIO,
-		.active_low	= true,
-	},
-};
-
-static struct gpio_led_platform_data nslu2_led_data = {
-	.num_leds		= ARRAY_SIZE(nslu2_led_pins),
-	.leds			= nslu2_led_pins,
-};
-
-static struct platform_device nslu2_leds = {
-	.name			= "leds-gpio",
-	.id			= -1,
-	.dev.platform_data	= &nslu2_led_data,
-};
-
-static struct platform_device nslu2_i2c_gpio = {
-	.name			= "i2c-gpio",
-	.id			= 0,
-	.dev	 = {
-		.platform_data	= NULL,
-	},
-};
-
-static struct resource nslu2_beeper_resources[] = {
-	{
-		.start	= IRQ_IXP4XX_TIMER2,
-		.flags	= IORESOURCE_IRQ,
-	},
-	{
-		.start	= IXP4XX_TIMER_BASE_PHYS,
-		.start	= IXP4XX_TIMER_BASE_PHYS + 0x0fff,
-		.flags	= IORESOURCE_MEM,
-	}
-};
-
-static struct platform_device nslu2_beeper = {
-	.name			= "ixp4xx-beeper",
-	.id			= NSLU2_GPIO_BUZZ,
-	.resource		= nslu2_beeper_resources,
-	.num_resources		= ARRAY_SIZE(nslu2_beeper_resources),
-};
-
-static struct resource nslu2_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 nslu2_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 nslu2_uart = {
-	.name			= "serial8250",
-	.id			= PLAT8250_DEV_PLATFORM,
-	.dev.platform_data	= nslu2_uart_data,
-	.num_resources		= 2,
-	.resource		= nslu2_uart_resources,
-};
-
-/* Built-in 10/100 Ethernet MAC interfaces */
-static struct resource nslu2_eth_resources[] = {
-	{
-		.start		= IXP4XX_EthB_BASE_PHYS,
-		.end		= IXP4XX_EthB_BASE_PHYS + 0x0fff,
-		.flags		= IORESOURCE_MEM,
-	},
-};
-
-static struct eth_plat_info nslu2_plat_eth[] = {
-	{
-		.phy		= 1,
-		.rxq		= 3,
-		.txreadyq	= 20,
-	}
-};
-
-static struct platform_device nslu2_eth[] = {
-	{
-		.name			= "ixp4xx_eth",
-		.id			= IXP4XX_ETH_NPEB,
-		.dev.platform_data	= nslu2_plat_eth,
-		.num_resources		= ARRAY_SIZE(nslu2_eth_resources),
-		.resource		= nslu2_eth_resources,
-	}
-};
-
-static struct platform_device *nslu2_devices[] __initdata = {
-	&nslu2_i2c_gpio,
-	&nslu2_flash,
-	&nslu2_beeper,
-	&nslu2_leds,
-	&nslu2_eth[0],
-};
-
-static void nslu2_power_off(void)
-{
-	/* This causes the box to drop the power and go dead. */
-
-	/* enable the pwr cntl gpio and assert power off */
-	gpio_direction_output(NSLU2_PO_GPIO, 1);
-}
-
-static irqreturn_t nslu2_power_handler(int irq, void *dev_id)
-{
-	/* Signal init to do the ctrlaltdel action, this will bypass init if
-	 * it hasn't started and do a kernel_restart.
-	 */
-	ctrl_alt_del();
-
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t nslu2_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 nslu2_gpio_init(void)
-{
-	if (!machine_is_nslu2())
-		return 0;
-
-	/* Request the power off GPIO */
-	return gpio_request(NSLU2_PO_GPIO, "power off");
-}
-device_initcall(nslu2_gpio_init);
-
-static void __init nslu2_timer_init(void)
-{
-    /* The xtal on this machine is non-standard. */
-    ixp4xx_timer_freq = NSLU2_FREQ;
-
-    /* Call standard timer_init function. */
-    ixp4xx_timer_init();
-}
-
-static void __init nslu2_init(void)
-{
-	uint8_t __iomem *f;
-	int i;
-
-	ixp4xx_sys_init();
-
-	nslu2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
-	nslu2_flash_resource.end =
-		IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
-
-	gpiod_add_lookup_table(&nslu2_i2c_gpiod_table);
-	i2c_register_board_info(0, nslu2_i2c_board_info,
-				ARRAY_SIZE(nslu2_i2c_board_info));
-
-	/*
-	 * This is only useful on a modified machine, but it is valuable
-	 * to have it first in order to see debug messages, and so that
-	 * it does *not* get removed if platform_add_devices fails!
-	 */
-	(void)platform_device_register(&nslu2_uart);
-
-	nslu2_beeper.dev.platform_data = (void *)ixp4xx_timer_freq;
-	platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
-
-	pm_power_off = nslu2_power_off;
-
-	if (request_irq(gpio_to_irq(NSLU2_RB_GPIO), &nslu2_reset_handler,
-		IRQF_TRIGGER_LOW, "NSLU2 reset button", NULL) < 0) {
-
-		printk(KERN_DEBUG "Reset Button IRQ %d not available\n",
-			gpio_to_irq(NSLU2_RB_GPIO));
-	}
-
-	if (request_irq(gpio_to_irq(NSLU2_PB_GPIO), &nslu2_power_handler,
-		IRQF_TRIGGER_HIGH, "NSLU2 power button", NULL) < 0) {
-
-		printk(KERN_DEBUG "Power Button IRQ %d not available\n",
-			gpio_to_irq(NSLU2_PB_GPIO));
-	}
-
-	/*
-	 * Map in a portion of the flash and read the MAC address.
-	 * Since it is stored in BE in the flash itself, we need to
-	 * byteswap it if we're in LE mode.
-	 */
-	f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x40000);
-	if (f) {
-		for (i = 0; i < 6; i++)
-#ifdef __ARMEB__
-			nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + i);
-#else
-			nslu2_plat_eth[0].hwaddr[i] = readb(f + 0x3FFB0 + (i^3));
-#endif
-		iounmap(f);
-	}
-	printk(KERN_INFO "NSLU2: Using MAC address %pM for port 0\n",
-	       nslu2_plat_eth[0].hwaddr);
-
-}
-
-MACHINE_START(NSLU2, "Linksys NSLU2")
-	/* 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	= nslu2_timer_init,
-	.init_machine	= nslu2_init,
-#if defined(CONFIG_PCI)
-	.dma_zone_size	= SZ_64M,
-#endif
-	.restart	= ixp4xx_restart,
-MACHINE_END
-- 
2.31.1




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