| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rod Whitby | 850 | 75.56% | 7 | 24.14% |
| Linus Walleij | 157 | 13.96% | 6 | 20.69% |
| Krzysztof Hałasa | 38 | 3.38% | 1 | 3.45% |
| Deepak Saxena | 22 | 1.96% | 1 | 3.45% |
| Nico Pitre | 15 | 1.33% | 2 | 6.90% |
| Russell King | 12 | 1.07% | 3 | 10.34% |
| Michael-Luke Jones | 9 | 0.80% | 2 | 6.90% |
| Kees Cook | 8 | 0.71% | 1 | 3.45% |
| Rob Herring | 5 | 0.44% | 1 | 3.45% |
| Richard Purdie | 4 | 0.36% | 1 | 3.45% |
| Stephen Warren | 2 | 0.18% | 1 | 3.45% |
| Greg Kroah-Hartman | 1 | 0.09% | 1 | 3.45% |
| Jean Delvare | 1 | 0.09% | 1 | 3.45% |
| Johannes Berg | 1 | 0.09% | 1 | 3.45% |
| Total | 1125 | 29 |
// SPDX-License-Identifier: GPL-2.0 /* * arch/arm/mach-ixp4xx/nas100d-setup.c * * NAS 100d board-setup * * Copyright (C) 2008 Rod Whitby <rod@whitby.id.au> * * based on ixdp425-setup.c: * Copyright (C) 2003-2004 MontaVista Software, Inc. * based on nas100d-power.c: * Copyright (C) 2005 Tower Technologies * based on nas100d-io.c * Copyright (C) 2004 Karen Spearel * * Author: Alessandro Zummo <a.zummo@towertech.it> * Author: Rod Whitby <rod@whitby.id.au> * Maintainers: http://www.nslu2-linux.org/ * */ #include <linux/gpio.h> #include <linux/if_ether.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 <linux/io.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/flash.h> #include "irqs.h" #define NAS100D_SDA_PIN 5 #define NAS100D_SCL_PIN 6 /* Buttons */ #define NAS100D_PB_GPIO 14 /* power button */ #define NAS100D_RB_GPIO 4 /* reset button */ /* Power control */ #define NAS100D_PO_GPIO 12 /* power off */ /* LEDs */ #define NAS100D_LED_WLAN_GPIO 0 #define NAS100D_LED_DISK_GPIO 3 #define NAS100D_LED_PWR_GPIO 15 static struct flash_platform_data nas100d_flash_data = { .map_name = "cfi_probe", .width = 2, }; static struct resource nas100d_flash_resource = { .flags = IORESOURCE_MEM, }; static struct platform_device nas100d_flash = { .name = "IXP4XX-Flash", .id = 0, .dev.platform_data = &nas100d_flash_data, .num_resources = 1, .resource = &nas100d_flash_resource, }; static struct i2c_board_info __initdata nas100d_i2c_board_info [] = { { I2C_BOARD_INFO("pcf8563", 0x51), }, }; static struct gpio_led nas100d_led_pins[] = { { .name = "nas100d:green:wlan", .gpio = NAS100D_LED_WLAN_GPIO, .active_low = true, }, { .name = "nas100d:blue:power", /* (off=flashing) */ .gpio = NAS100D_LED_PWR_GPIO, .active_low = true, }, { .name = "nas100d:yellow:disk", .gpio = NAS100D_LED_DISK_GPIO, .active_low = true, }, }; static struct gpio_led_platform_data nas100d_led_data = { .num_leds = ARRAY_SIZE(nas100d_led_pins), .leds = nas100d_led_pins, }; static struct platform_device nas100d_leds = { .name = "leds-gpio", .id = -1, .dev.platform_data = &nas100d_led_data, }; static struct gpiod_lookup_table nas100d_i2c_gpiod_table = { .dev_id = "i2c-gpio.0", .table = { GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NAS100D_SDA_PIN, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), GPIO_LOOKUP_IDX("IXP4XX_GPIO_CHIP", NAS100D_SCL_PIN, NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), }, }; static struct platform_device nas100d_i2c_gpio = { .name = "i2c-gpio", .id = 0, .dev = { .platform_data = NULL, }, }; static struct resource nas100d_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 nas100d_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 nas100d_uart = { .name = "serial8250", .id = PLAT8250_DEV_PLATFORM, .dev.platform_data = nas100d_uart_data, .num_resources = 2, .resource = nas100d_uart_resources, }; /* Built-in 10/100 Ethernet MAC interfaces */ static struct resource nas100d_eth_resources[] = { { .start = IXP4XX_EthB_BASE_PHYS, .end = IXP4XX_EthB_BASE_PHYS + 0x0fff, .flags = IORESOURCE_MEM, }, }; static struct eth_plat_info nas100d_plat_eth[] = { { .phy = 0, .rxq = 3, .txreadyq = 20, } }; static struct platform_device nas100d_eth[] = { { .name = "ixp4xx_eth", .id = IXP4XX_ETH_NPEB, .dev.platform_data = nas100d_plat_eth, .num_resources = ARRAY_SIZE(nas100d_eth_resources), .resource = nas100d_eth_resources, } }; static struct platform_device *nas100d_devices[] __initdata = { &nas100d_i2c_gpio, &nas100d_flash, &nas100d_leds, &nas100d_eth[0], }; static void nas100d_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(NAS100D_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 nas100d_power_handler(struct timer_list *unused); static DEFINE_TIMER(nas100d_power_timer, nas100d_power_handler); static void nas100d_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(NAS100D_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(NAS100D_LED_PWR_GPIO, 0); } else { power_button_countdown = PBUTTON_HOLDDOWN_COUNT; } } mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); } static irqreturn_t nas100d_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 nas100d_gpio_init(void) { if (!machine_is_nas100d()) return 0; /* * The power button on the Iomega NAS100d is on GPIO 14, but * it cannot handle interrupts on that GPIO line. So we'll * have to poll it with a kernel timer. */ /* Request the power off GPIO */ gpio_request(NAS100D_PO_GPIO, "power off"); /* Make sure that the power button GPIO is set up as an input */ gpio_request(NAS100D_PB_GPIO, "power button"); gpio_direction_input(NAS100D_PB_GPIO); /* Set the initial value for the power button IRQ handler */ power_button_countdown = PBUTTON_HOLDDOWN_COUNT; mod_timer(&nas100d_power_timer, jiffies + msecs_to_jiffies(500)); return 0; } device_initcall(nas100d_gpio_init); static void __init nas100d_init(void) { uint8_t __iomem *f; int i; ixp4xx_sys_init(); nas100d_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); nas100d_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; gpiod_add_lookup_table(&nas100d_i2c_gpiod_table); i2c_register_board_info(0, nas100d_i2c_board_info, ARRAY_SIZE(nas100d_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(&nas100d_uart); platform_add_devices(nas100d_devices, ARRAY_SIZE(nas100d_devices)); pm_power_off = nas100d_power_off; if (request_irq(gpio_to_irq(NAS100D_RB_GPIO), &nas100d_reset_handler, IRQF_TRIGGER_LOW, "NAS100D reset button", NULL) < 0) { printk(KERN_DEBUG "Reset Button IRQ %d not available\n", gpio_to_irq(NAS100D_RB_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), 0x1000000); if (f) { for (i = 0; i < 6; i++) #ifdef __ARMEB__ nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + i); #else nas100d_plat_eth[0].hwaddr[i] = readb(f + 0xFC0FD8 + (i^3)); #endif iounmap(f); } printk(KERN_INFO "NAS100D: Using MAC address %pM for port 0\n", nas100d_plat_eth[0].hwaddr); } MACHINE_START(NAS100D, "Iomega NAS 100d") /* 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 = ixp4xx_timer_init, .init_machine = nas100d_init, #if defined(CONFIG_PCI) .dma_zone_size = SZ_64M, #endif .restart = ixp4xx_restart, MACHINE_END
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