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authorFlorian Fainelli <florian@openwrt.org>2011-08-25 09:35:45 +0000
committerFlorian Fainelli <florian@openwrt.org>2011-08-25 09:35:45 +0000
commitd2652dee9dcc907051911b8a75050277d4c22dcb (patch)
tree82ed2bd8fb7b9ba25870f794922a11d4cf654674 /target
parent71adaae258ad2502ddcd1db2469bc5ca09bcd1d8 (diff)
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mtk-20170518-d2652dee9dcc907051911b8a75050277d4c22dcb.tar.gz
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update alix2 platform driver
Add support for Ed Wildgoose's alix platform driver plus my enhancement to add GPIO soft button support. Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com> SVN-Revision: 28081
Diffstat (limited to 'target')
-rw-r--r--target/linux/generic/patches-2.6.39/105-alix_platform_leds.patch502
-rw-r--r--target/linux/generic/patches-2.6.39/106-alix_platform_gpio_keys_button.patch106
-rw-r--r--target/linux/x86/alix2/base-files/etc/config/system26
-rw-r--r--target/linux/x86/alix2/base-files/etc/hotplug.d/button/50-reboot13
-rw-r--r--target/linux/x86/alix2/target.mk3
-rw-r--r--target/linux/x86/config-default1
6 files changed, 650 insertions, 1 deletions
diff --git a/target/linux/generic/patches-2.6.39/105-alix_platform_leds.patch b/target/linux/generic/patches-2.6.39/105-alix_platform_leds.patch
new file mode 100644
index 0000000..b6feacf
--- /dev/null
+++ b/target/linux/generic/patches-2.6.39/105-alix_platform_leds.patch
@@ -0,0 +1,502 @@
+From: Ed Wildgoose <git@wildgooses.com>
+Date: Wed, 3 Aug 2011 00:52:36 +0000 (+1000)
+Subject: This new driver replaces the old PCEngines Alix 2/3 LED driver with a new
+X-Git-Tag: next-20110812~1^2~75
+X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fnext%2Flinux-next.git;a=commitdiff_plain;h=2cd7b3e8f8078c214c93a2c60cb845500c92df4a;hp=dc849eae35bbf651ab3ee459f5683e1ff780413d
+
+This new driver replaces the old PCEngines Alix 2/3 LED driver with a new
+driver that controls the LEDs through the leds-gpio driver. The old
+driver accessed GPIOs directly, which created a conflict and prevented
+also loading the cs5535-gpio driver to read other GPIOs on the Alix board.
+ With this new driver, we hook into leds-gpio which in turn uses GPIO to
+control the LEDs and therefore it's possible to control both the LEDs and
+access onboard GPIOs
+
+Driver is moved to platform/geode and any other geode initialisation
+modules should move here also.
+
+This driver is inspired by leds-net5501.c by Alessandro Zummo.
+
+Ideally, leds-net5501.c should also be moved to platform/geode.
+Additionally the driver relies on parts of the patch: 7f131cf3ed ("leds:
+leds-alix2c - take port address from MSR) by Daniel Mack to perform
+detection of the Alix board.
+
+Signed-off-by: Ed Wildgoose <kernel@wildgooses.com>
+Cc: Alessandro Zummo <a.zummo@towertech.it>
+Cc: Daniel Mack <daniel@caiaq.de>
+Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
+Cc: Ingo Molnar <mingo@elte.hu>
+Cc: Thomas Gleixner <tglx@linutronix.de>
+Cc: "H. Peter Anvin" <hpa@zytor.com>
+Cc: Richard Purdie <rpurdie@rpsys.net>
+Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
+---
+
+diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
+index f1833e3..d18e7a2 100644
+--- a/arch/x86/Kconfig
++++ b/arch/x86/Kconfig
+@@ -2073,6 +2073,20 @@ config OLPC_XO15_SCI
+ - AC adapter status updates
+ - Battery status updates
+
++config ALIX
++ bool "PCEngines ALIX System Support (LED setup)"
++ select GPIOLIB
++ ---help---
++ This option enables system support for the PCEngines ALIX.
++ At present this just sets up LEDs for GPIO control on
++ ALIX2/3/6 boards. However, other system specific setup should
++ get added here.
++
++ Note: You must still enable the drivers for GPIO and LED support
++ (GPIO_CS5535 & LEDS_GPIO) to actually use the LEDs
++
++ Note: You have to set alix.force=1 for boards with Award BIOS.
++
+ endif # X86_32
+
+ config AMD_NB
+diff --git a/arch/x86/platform/Makefile b/arch/x86/platform/Makefile
+index 021eee9..8d87439 100644
+--- a/arch/x86/platform/Makefile
++++ b/arch/x86/platform/Makefile
+@@ -1,6 +1,7 @@
+ # Platform specific code goes here
+ obj-y += ce4100/
+ obj-y += efi/
++obj-y += geode/
+ obj-y += iris/
+ obj-y += mrst/
+ obj-y += olpc/
+diff --git a/arch/x86/platform/geode/Makefile b/arch/x86/platform/geode/Makefile
+new file mode 100644
+index 0000000..07c9cd0
+--- /dev/null
++++ b/arch/x86/platform/geode/Makefile
+@@ -0,0 +1 @@
++obj-$(CONFIG_ALIX) += alix.o
+diff --git a/arch/x86/platform/geode/alix.c b/arch/x86/platform/geode/alix.c
+new file mode 100644
+index 0000000..f3f01e2
+--- /dev/null
++++ b/arch/x86/platform/geode/alix.c
+@@ -0,0 +1,141 @@
++/*
++ * System Specific setup for PCEngines ALIX.
++ * At the moment this means setup of GPIO control of LEDs
++ * on Alix.2/3/6 boards.
++ *
++ *
++ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
++ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
++ *
++ * TODO: There are large similarities with leds-net5501.c
++ * by Alessandro Zummo <a.zummo@towertech.it>
++ * In the future leds-net5501.c should be migrated over to platform
++ *
++ * 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/kernel.h>
++#include <linux/init.h>
++#include <linux/io.h>
++#include <linux/string.h>
++#include <linux/leds.h>
++#include <linux/platform_device.h>
++#include <linux/gpio.h>
++
++#include <asm/geode.h>
++
++static int force = 0;
++module_param(force, bool, 0444);
++/* FIXME: Award bios is not automatically detected as Alix platform */
++MODULE_PARM_DESC(force, "Force detection as ALIX.2/ALIX.3 platform");
++
++static struct gpio_led alix_leds[] = {
++ {
++ .name = "alix:1",
++ .gpio = 6,
++ .default_trigger = "default-on",
++ .active_low = 1,
++ },
++ {
++ .name = "alix:2",
++ .gpio = 25,
++ .default_trigger = "default-off",
++ .active_low = 1,
++ },
++ {
++ .name = "alix:3",
++ .gpio = 27,
++ .default_trigger = "default-off",
++ .active_low = 1,
++ },
++};
++
++static struct gpio_led_platform_data alix_leds_data = {
++ .num_leds = ARRAY_SIZE(alix_leds),
++ .leds = alix_leds,
++};
++
++static struct platform_device alix_leds_dev = {
++ .name = "leds-gpio",
++ .id = -1,
++ .dev.platform_data = &alix_leds_data,
++};
++
++static void __init register_alix(void)
++{
++ /* Setup LED control through leds-gpio driver */
++ platform_device_register(&alix_leds_dev);
++}
++
++static int __init alix_present(unsigned long bios_phys,
++ const char *alix_sig,
++ size_t alix_sig_len)
++{
++ const size_t bios_len = 0x00010000;
++ const char *bios_virt;
++ const char *scan_end;
++ const char *p;
++ char name[64];
++
++ if (force) {
++ printk(KERN_NOTICE "%s: forced to skip BIOS test, "
++ "assume system is ALIX.2/ALIX.3\n",
++ KBUILD_MODNAME);
++ return 1;
++ }
++
++ bios_virt = phys_to_virt(bios_phys);
++ scan_end = bios_virt + bios_len - (alix_sig_len + 2);
++ for (p = bios_virt; p < scan_end; p++) {
++ const char *tail;
++ char *a;
++
++ if (memcmp(p, alix_sig, alix_sig_len) != 0)
++ continue;
++
++ memcpy(name, p, sizeof(name));
++
++ /* remove the first \0 character from string */
++ a = strchr(name, '\0');
++ if (a)
++ *a = ' ';
++
++ /* cut the string at a newline */
++ a = strchr(name, '\r');
++ if (a)
++ *a = '\0';
++
++ tail = p + alix_sig_len;
++ if ((tail[0] == '2' || tail[0] == '3')) {
++ printk(KERN_INFO
++ "%s: system is recognized as \"%s\"\n",
++ KBUILD_MODNAME, name);
++ return 1;
++ }
++ }
++
++ return 0;
++}
++
++static int __init alix_init(void)
++{
++ const char tinybios_sig[] = "PC Engines ALIX.";
++ const char coreboot_sig[] = "PC Engines\0ALIX.";
++
++ if (!is_geode())
++ return 0;
++
++ if (alix_present(0xf0000, tinybios_sig, sizeof(tinybios_sig) - 1) ||
++ alix_present(0x500, coreboot_sig, sizeof(coreboot_sig) - 1))
++ register_alix();
++
++ return 0;
++}
++
++module_init(alix_init);
++
++MODULE_AUTHOR("Ed Wildgoose <kernel@wildgooses.com>");
++MODULE_DESCRIPTION("PCEngines ALIX System Setup");
++MODULE_LICENSE("GPL");
+diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
+index b591e72..8974d27 100644
+--- a/drivers/leds/Kconfig
++++ b/drivers/leds/Kconfig
+@@ -107,14 +107,6 @@
+ help
+ This option enables support for the PCEngines WRAP programmable LEDs.
+
+-config LEDS_ALIX2
+- tristate "LED Support for ALIX.2 and ALIX.3 series"
+- depends on LEDS_CLASS
+- depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
+- help
+- This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
+- You have to set leds-alix2.force=1 for boards with Award BIOS.
+-
+ config LEDS_H1940
+ tristate "LED Support for iPAQ H1940 device"
+ depends on LEDS_CLASS
+diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
+index bbfd2e3..a0a1b89 100644
+--- a/drivers/leds/Makefile
++++ b/drivers/leds/Makefile
+@@ -16,7 +16,6 @@ obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o
+ obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o
+ obj-$(CONFIG_LEDS_NET5501) += leds-net5501.o
+ obj-$(CONFIG_LEDS_WRAP) += leds-wrap.o
+-obj-$(CONFIG_LEDS_ALIX2) += leds-alix2.o
+ obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
+ obj-$(CONFIG_LEDS_COBALT_QUBE) += leds-cobalt-qube.o
+ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o
+diff --git a/drivers/leds/leds-alix2.c b/drivers/leds/leds-alix2.c
+deleted file mode 100644
+index f59ffad..0000000
+--- a/drivers/leds/leds-alix2.c
++++ /dev/null
+@@ -1,239 +0,0 @@
+-/*
+- * LEDs driver for PCEngines ALIX.2 and ALIX.3
+- *
+- * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
+- */
+-
+-#include <linux/err.h>
+-#include <linux/io.h>
+-#include <linux/kernel.h>
+-#include <linux/leds.h>
+-#include <linux/module.h>
+-#include <linux/platform_device.h>
+-#include <linux/string.h>
+-#include <linux/pci.h>
+-
+-static int force = 0;
+-module_param(force, bool, 0444);
+-MODULE_PARM_DESC(force, "Assume system has ALIX.2/ALIX.3 style LEDs");
+-
+-#define MSR_LBAR_GPIO 0x5140000C
+-#define CS5535_GPIO_SIZE 256
+-
+-static u32 gpio_base;
+-
+-static struct pci_device_id divil_pci[] = {
+- { PCI_DEVICE(PCI_VENDOR_ID_NS, PCI_DEVICE_ID_NS_CS5535_ISA) },
+- { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_CS5536_ISA) },
+- { } /* NULL entry */
+-};
+-MODULE_DEVICE_TABLE(pci, divil_pci);
+-
+-struct alix_led {
+- struct led_classdev cdev;
+- unsigned short port;
+- unsigned int on_value;
+- unsigned int off_value;
+-};
+-
+-static void alix_led_set(struct led_classdev *led_cdev,
+- enum led_brightness brightness)
+-{
+- struct alix_led *led_dev =
+- container_of(led_cdev, struct alix_led, cdev);
+-
+- if (brightness)
+- outl(led_dev->on_value, gpio_base + led_dev->port);
+- else
+- outl(led_dev->off_value, gpio_base + led_dev->port);
+-}
+-
+-static struct alix_led alix_leds[] = {
+- {
+- .cdev = {
+- .name = "alix:1",
+- .brightness_set = alix_led_set,
+- },
+- .port = 0x00,
+- .on_value = 1 << 22,
+- .off_value = 1 << 6,
+- },
+- {
+- .cdev = {
+- .name = "alix:2",
+- .brightness_set = alix_led_set,
+- },
+- .port = 0x80,
+- .on_value = 1 << 25,
+- .off_value = 1 << 9,
+- },
+- {
+- .cdev = {
+- .name = "alix:3",
+- .brightness_set = alix_led_set,
+- },
+- .port = 0x80,
+- .on_value = 1 << 27,
+- .off_value = 1 << 11,
+- },
+-};
+-
+-static int __init alix_led_probe(struct platform_device *pdev)
+-{
+- int i;
+- int ret;
+-
+- for (i = 0; i < ARRAY_SIZE(alix_leds); i++) {
+- alix_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;
+- ret = led_classdev_register(&pdev->dev, &alix_leds[i].cdev);
+- if (ret < 0)
+- goto fail;
+- }
+- return 0;
+-
+-fail:
+- while (--i >= 0)
+- led_classdev_unregister(&alix_leds[i].cdev);
+- return ret;
+-}
+-
+-static int alix_led_remove(struct platform_device *pdev)
+-{
+- int i;
+-
+- for (i = 0; i < ARRAY_SIZE(alix_leds); i++)
+- led_classdev_unregister(&alix_leds[i].cdev);
+- return 0;
+-}
+-
+-static struct platform_driver alix_led_driver = {
+- .remove = alix_led_remove,
+- .driver = {
+- .name = KBUILD_MODNAME,
+- .owner = THIS_MODULE,
+- },
+-};
+-
+-static int __init alix_present(unsigned long bios_phys,
+- const char *alix_sig,
+- size_t alix_sig_len)
+-{
+- const size_t bios_len = 0x00010000;
+- const char *bios_virt;
+- const char *scan_end;
+- const char *p;
+- char name[64];
+-
+- if (force) {
+- printk(KERN_NOTICE "%s: forced to skip BIOS test, "
+- "assume system has ALIX.2 style LEDs\n",
+- KBUILD_MODNAME);
+- return 1;
+- }
+-
+- bios_virt = phys_to_virt(bios_phys);
+- scan_end = bios_virt + bios_len - (alix_sig_len + 2);
+- for (p = bios_virt; p < scan_end; p++) {
+- const char *tail;
+- char *a;
+-
+- if (memcmp(p, alix_sig, alix_sig_len) != 0)
+- continue;
+-
+- memcpy(name, p, sizeof(name));
+-
+- /* remove the first \0 character from string */
+- a = strchr(name, '\0');
+- if (a)
+- *a = ' ';
+-
+- /* cut the string at a newline */
+- a = strchr(name, '\r');
+- if (a)
+- *a = '\0';
+-
+- tail = p + alix_sig_len;
+- if ((tail[0] == '2' || tail[0] == '3')) {
+- printk(KERN_INFO
+- "%s: system is recognized as \"%s\"\n",
+- KBUILD_MODNAME, name);
+- return 1;
+- }
+- }
+-
+- return 0;
+-}
+-
+-static struct platform_device *pdev;
+-
+-static int __init alix_pci_led_init(void)
+-{
+- u32 low, hi;
+-
+- if (pci_dev_present(divil_pci) == 0) {
+- printk(KERN_WARNING KBUILD_MODNAME": DIVIL not found\n");
+- return -ENODEV;
+- }
+-
+- /* Grab the GPIO I/O range */
+- rdmsr(MSR_LBAR_GPIO, low, hi);
+-
+- /* Check the mask and whether GPIO is enabled (sanity check) */
+- if (hi != 0x0000f001) {
+- printk(KERN_WARNING KBUILD_MODNAME": GPIO not enabled\n");
+- return -ENODEV;
+- }
+-
+- /* Mask off the IO base address */
+- gpio_base = low & 0x0000ff00;
+-
+- if (!request_region(gpio_base, CS5535_GPIO_SIZE, KBUILD_MODNAME)) {
+- printk(KERN_ERR KBUILD_MODNAME": can't allocate I/O for GPIO\n");
+- return -ENODEV;
+- }
+-
+- /* Set GPIO function to output */
+- outl(1 << 6, gpio_base + 0x04);
+- outl(1 << 9, gpio_base + 0x84);
+- outl(1 << 11, gpio_base + 0x84);
+-
+- return 0;
+-}
+-
+-static int __init alix_led_init(void)
+-{
+- int ret = -ENODEV;
+- const char tinybios_sig[] = "PC Engines ALIX.";
+- const char coreboot_sig[] = "PC Engines\0ALIX.";
+-
+- if (alix_present(0xf0000, tinybios_sig, sizeof(tinybios_sig) - 1) ||
+- alix_present(0x500, coreboot_sig, sizeof(coreboot_sig) - 1))
+- ret = alix_pci_led_init();
+-
+- if (ret < 0)
+- return ret;
+-
+- pdev = platform_device_register_simple(KBUILD_MODNAME, -1, NULL, 0);
+- if (!IS_ERR(pdev)) {
+- ret = platform_driver_probe(&alix_led_driver, alix_led_probe);
+- if (ret)
+- platform_device_unregister(pdev);
+- } else
+- ret = PTR_ERR(pdev);
+-
+- return ret;
+-}
+-
+-static void __exit alix_led_exit(void)
+-{
+- platform_device_unregister(pdev);
+- platform_driver_unregister(&alix_led_driver);
+- release_region(gpio_base, CS5535_GPIO_SIZE);
+-}
+-
+-module_init(alix_led_init);
+-module_exit(alix_led_exit);
+-
+-MODULE_AUTHOR("Constantin Baranov <const@mimas.ru>");
+-MODULE_DESCRIPTION("PCEngines ALIX.2 and ALIX.3 LED driver");
+-MODULE_LICENSE("GPL");
diff --git a/target/linux/generic/patches-2.6.39/106-alix_platform_gpio_keys_button.patch b/target/linux/generic/patches-2.6.39/106-alix_platform_gpio_keys_button.patch
new file mode 100644
index 0000000..cd2715c
--- /dev/null
+++ b/target/linux/generic/patches-2.6.39/106-alix_platform_gpio_keys_button.patch
@@ -0,0 +1,106 @@
+--- a/arch/x86/platform/geode/alix.c 2011-08-13 15:51:30.892956346 -0600
++++ b/arch/x86/platform/geode/alix.c 2011-08-13 16:14:58.082329961 -0600
+@@ -6,6 +6,7 @@
+ *
+ * Copyright (C) 2008 Constantin Baranov <const@mimas.ru>
+ * Copyright (C) 2011 Ed Wildgoose <kernel@wildgooses.com>
++ * and Philip Prindeville <philipp@redfish-solutions.com>
+ *
+ * TODO: There are large similarities with leds-net5501.c
+ * by Alessandro Zummo <a.zummo@towertech.it>
+@@ -24,14 +25,48 @@
+ #include <linux/leds.h>
+ #include <linux/platform_device.h>
+ #include <linux/gpio.h>
++#include <linux/input.h>
++#include <linux/gpio_keys.h>
+
+ #include <asm/geode.h>
+
++#define BIOS_SIGNATURE_TINYBIOS 0x000f0000
++#define BIOS_SIGNATURE_COREBOOT 0x00000050
++#define BIOS_REGION_SIZE 0x00010000
++
++static int model = 0;
++
+ static int force = 0;
+ module_param(force, bool, 0444);
+ /* FIXME: Award bios is not automatically detected as Alix platform */
+ MODULE_PARM_DESC(force, "Force detection as ALIX.2/ALIX.3 platform");
+
++static struct gpio_keys_button alix_gpio_buttons[] = {
++ {
++ .code = KEY_RESTART,
++ .gpio = 24,
++ .active_low = 1,
++ .desc = "Reset button",
++ .type = EV_KEY,
++ .wakeup = 0,
++ .debounce_interval = 100,
++ .can_disable = 0,
++ }
++};
++static struct gpio_keys_platform_data alix_buttons_data = {
++ .buttons = alix_gpio_buttons,
++ .nbuttons = ARRAY_SIZE(alix_gpio_buttons),
++ .poll_interval = 20,
++};
++
++static struct platform_device alix_buttons_dev = {
++ .name = "gpio-polled-keys",
++ .id = 1,
++ .dev = {
++ .platform_data = &alix_buttons_data,
++ }
++};
++
+ static struct gpio_led alix_leds[] = {
+ {
+ .name = "alix:1",
+@@ -64,17 +98,22 @@
+ .dev.platform_data = &alix_leds_data,
+ };
+
++static struct __initdata platform_device *alix_devs[] = {
++ &alix_buttons_dev,
++ &alix_leds_dev,
++};
++
+ static void __init register_alix(void)
+ {
+ /* Setup LED control through leds-gpio driver */
+- platform_device_register(&alix_leds_dev);
++ platform_add_devices(alix_devs, ARRAY_SIZE(alix_devs));
+ }
+
+ static int __init alix_present(unsigned long bios_phys,
+ const char *alix_sig,
+ size_t alix_sig_len)
+ {
+- const size_t bios_len = 0x00010000;
++ const size_t bios_len = BIOS_REGION_SIZE;
+ const char *bios_virt;
+ const char *scan_end;
+ const char *p;
+@@ -109,7 +148,9 @@
+ *a = '\0';
+
+ tail = p + alix_sig_len;
+- if ((tail[0] == '2' || tail[0] == '3')) {
++ if ((tail[0] == '2' || tail[0] == '3' || tail[0] == '6')) {
++ model = tail[0] - '0';
++
+ printk(KERN_INFO
+ "%s: system is recognized as \"%s\"\n",
+ KBUILD_MODNAME, name);
+@@ -128,8 +169,8 @@
+ if (!is_geode())
+ return 0;
+
+- if (alix_present(0xf0000, tinybios_sig, sizeof(tinybios_sig) - 1) ||
+- alix_present(0x500, coreboot_sig, sizeof(coreboot_sig) - 1))
++ if (alix_present(BIOS_SIGNATURE_TINYBIOS, tinybios_sig, sizeof(tinybios_sig) - 1) ||
++ alix_present(BIOS_SIGNATURE_COREBOOT, coreboot_sig, sizeof(coreboot_sig) - 1))
+ register_alix();
+
+ return 0;
diff --git a/target/linux/x86/alix2/base-files/etc/config/system b/target/linux/x86/alix2/base-files/etc/config/system
new file mode 100644
index 0000000..28134b6
--- /dev/null
+++ b/target/linux/x86/alix2/base-files/etc/config/system
@@ -0,0 +1,26 @@
+config system
+ option hostname OpenWrt
+ option timezone UTC
+
+config rdate
+ option interface wan
+
+config led
+ option default 1
+ option name LAN
+ option sysfs 'alix:1'
+ option trigger netdev
+ option mode 'tx rx'
+ option dev 'br-lan'
+
+config led
+ option default 1
+ option name WiFi
+ option sysfs 'alix:2'
+ option trigger 'phy0tpt'
+
+config led
+ option default 0
+ option name Heartbeat
+ option sysfs 'alix:3'
+ option trigger 'heartbeat'
diff --git a/target/linux/x86/alix2/base-files/etc/hotplug.d/button/50-reboot b/target/linux/x86/alix2/base-files/etc/hotplug.d/button/50-reboot
new file mode 100644
index 0000000..bf893c1
--- /dev/null
+++ b/target/linux/x86/alix2/base-files/etc/hotplug.d/button/50-reboot
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+logger -t button -p daemon.info "$BUTTON/$ACTION"
+
+case "$BUTTON/$ACTION" in
+
+reset/released)
+ reboot -f
+ ;;
+
+esac
+
+exit 0
diff --git a/target/linux/x86/alix2/target.mk b/target/linux/x86/alix2/target.mk
index e8fd737..0c1c3d2 100644
--- a/target/linux/x86/alix2/target.mk
+++ b/target/linux/x86/alix2/target.mk
@@ -15,7 +15,8 @@ DEFAULT_PACKAGES += \
kmod-cfg80211 kmod-mac80211 \
kmod-mppe kmod-pppoe kmod-pppo2ltp \
kmod-ath kmod-ath5k kmod-ath9k \
- kmod-leds-gpio kmod-input-gpio-buttons \
+ kmod-leds-gpio kmod-input-gpio-keys-polled \
+ kmod-button-hotplug \
kmod-ledtrig-heartbeat kmod-ledtrig-gpio \
kmod-ledtrig-netdev kmod-ledtrig-netfilter \
kmod-cpu-msr \
diff --git a/target/linux/x86/config-default b/target/linux/x86/config-default
index f3fbfe7..c620db0 100644
--- a/target/linux/x86/config-default
+++ b/target/linux/x86/config-default
@@ -452,3 +452,4 @@ CONFIG_X86_XADD=y
# CONFIG_ZONE_DMA32 is not set
# CONFIG_BATTERY_BQ20Z75 is not set
# CONFIG_TRANSPARENT_HUGEPAGE is not set
+# CONFIG_ALIX is not set