diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig index 2811aa6e1880..35ad6201bc7e 100644 --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig @@ -110,15 +110,6 @@ config ARCH_PRPMC1100 PrPCM1100 Processor Mezanine Module. For more information on this platform, see . -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 diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile index fc1b38f0b50a..3640115e2db9 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-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o obj-pci-$(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 diff --git a/arch/arm/mach-ixp4xx/dsmg600-pci.c b/arch/arm/mach-ixp4xx/dsmg600-pci.c deleted file mode 100644 index e997d97f619e..000000000000 --- a/arch/arm/mach-ixp4xx/dsmg600-pci.c +++ /dev/null @@ -1,77 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * DSM-G600 board-level PCI initialization - * - * Copyright (C) 2006 Tower Technologies - * Author: Alessandro Zummo - * - * based on ixdp425-pci.c: - * Copyright (C) 2002 Intel Corporation. - * Copyright (C) 2003-2004 MontaVista Software, Inc. - * - * Maintainer: http://www.nslu2-linux.org/ - */ - -#include -#include -#include -#include -#include - -#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); diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c deleted file mode 100644 index 4d4c62fced71..000000000000 --- a/arch/arm/mach-ixp4xx/dsmg600-setup.c +++ /dev/null @@ -1,304 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * DSM-G600 board-setup - * - * Copyright (C) 2008 Rod Whitby - * 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 - * Author: Michael Westerhof - * Author: Rod Whitby - * Maintainers: http://www.nslu2-linux.org/ - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include -#include -#include - -#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