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-rw-r--r--target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch449
1 files changed, 449 insertions, 0 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch b/target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch
new file mode 100644
index 0000000000..485ea8e70c
--- /dev/null
+++ b/target/linux/ixp4xx/patches-2.6.25/304-gateworks_led_latch.patch
@@ -0,0 +1,449 @@
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig linux-2.6.24.5/drivers/leds/Kconfig
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 11:29:49.000000000 -0700
++++ linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 17:18:47.000000000 -0700
+@@ -120,6 +120,12 @@
+ outputs. To be useful the particular board must have LEDs
+ and they must be connected to the GPIO lines.
+
++config LEDS_LATCH
++ tristate "LED Support for Memory Latched LEDs"
++ depends on LEDS_CLASS
++ help
++ -- To Do --
++
+ config LEDS_CM_X270
+ tristate "LED Support for the CM-X270 LEDs"
+ depends on LEDS_CLASS && MACH_ARMCORE
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c linux-2.6.24.5/drivers/leds/leds-latch.c
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c 1969-12-31 16:00:00.000000000 -0800
++++ linux-2.6.24.5/drivers/leds/leds-latch.c 2008-04-30 14:03:21.000000000 -0700
+@@ -0,0 +1,141 @@
++/*
++ * LEDs driver for Memory Latched Devices
++ *
++ * Copyright (C) 2008 Gateworks Corp.
++ * Chris Lang <clang@gateworks.com>
++ *
++ * 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/platform_device.h>
++#include <linux/leds.h>
++#include <linux/workqueue.h>
++#include <asm/io.h>
++#include <linux/spinlock.h>
++
++static unsigned int mem_keep = 0xFF;
++static spinlock_t mem_lock;
++static unsigned char *iobase;
++
++struct latch_led_data {
++ struct led_classdev cdev;
++ struct work_struct work;
++ u8 new_level;
++ u8 bit;
++};
++
++static void latch_led_set(struct led_classdev *led_cdev,
++ enum led_brightness value)
++{
++ struct latch_led_data *led_dat =
++ container_of(led_cdev, struct latch_led_data, cdev);
++
++ spin_lock(mem_lock);
++
++ if (value == LED_OFF)
++ mem_keep |= (0x1 << led_dat->bit);
++ else
++ mem_keep &= ~(0x1 << led_dat->bit);
++
++ writeb(mem_keep, iobase);
++
++ spin_unlock(mem_lock);
++}
++
++static int latch_led_probe(struct platform_device *pdev)
++{
++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
++ struct latch_led *cur_led;
++ struct latch_led_data *leds_data, *led_dat;
++ int i, ret = 0;
++
++ if (!pdata)
++ return -EBUSY;
++
++ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds,
++ GFP_KERNEL);
++ if (!leds_data)
++ return -ENOMEM;
++
++ iobase = ioremap_nocache(pdata->mem, 0x1000);
++ writeb(0xFF, iobase);
++
++ for (i = 0; i < pdata->num_leds; i++) {
++ cur_led = &pdata->leds[i];
++ led_dat = &leds_data[i];
++
++ led_dat->cdev.name = cur_led->name;
++ led_dat->cdev.default_trigger = cur_led->default_trigger;
++ led_dat->cdev.brightness_set = latch_led_set;
++ led_dat->cdev.brightness = LED_OFF;
++ led_dat->bit = cur_led->bit;
++
++ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
++ if (ret < 0) {
++ goto err;
++ }
++ }
++
++ platform_set_drvdata(pdev, leds_data);
++
++ return 0;
++
++err:
++ if (i > 0) {
++ for (i = i - 1; i >= 0; i--) {
++ led_classdev_unregister(&leds_data[i].cdev);
++ }
++ }
++
++ kfree(leds_data);
++
++ return ret;
++}
++
++static int __devexit latch_led_remove(struct platform_device *pdev)
++{
++ int i;
++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
++ struct latch_led_data *leds_data;
++
++ leds_data = platform_get_drvdata(pdev);
++
++ for (i = 0; i < pdata->num_leds; i++) {
++ led_classdev_unregister(&leds_data[i].cdev);
++ cancel_work_sync(&leds_data[i].work);
++ }
++
++ kfree(leds_data);
++
++ return 0;
++}
++
++static struct platform_driver latch_led_driver = {
++ .probe = latch_led_probe,
++ .remove = __devexit_p(latch_led_remove),
++ .driver = {
++ .name = "leds-latch",
++ .owner = THIS_MODULE,
++ },
++};
++
++static int __init latch_led_init(void)
++{
++ return platform_driver_register(&latch_led_driver);
++}
++
++static void __exit latch_led_exit(void)
++{
++ platform_driver_unregister(&latch_led_driver);
++}
++
++module_init(latch_led_init);
++module_exit(latch_led_exit);
++
++MODULE_AUTHOR("Chris Lang <clang@gateworks.com>");
++MODULE_DESCRIPTION("Latch LED driver");
++MODULE_LICENSE("GPL");
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile linux-2.6.24.5/drivers/leds/Makefile
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 11:29:49.000000000 -0700
++++ linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 17:19:02.000000000 -0700
+@@ -21,6 +21,7 @@
+ obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
+ obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
+ obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
++obj-$(CONFIG_LEDS_LATCH) += leds-latch.o
+
+ # LED Triggers
+ obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-29 11:29:50.000000000 -0700
++++ linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-30 15:43:40.000000000 -0700
+@@ -173,7 +173,7 @@
+ .dev.platform_data = &avila_npec_data,
+ };
+
+-static struct gpio_led avila_leds[] = {
++static struct gpio_led avila_gpio_leds[] = {
+ {
+ .name = "user", /* green led */
+ .gpio = AVILA_GW23XX_LED_USER_GPIO,
+@@ -181,17 +181,65 @@
+ }
+ };
+
+-static struct gpio_led_platform_data avila_leds_data = {
++static struct gpio_led_platform_data avila_gpio_leds_data = {
+ .num_leds = 1,
+- .leds = avila_leds,
++ .leds = avila_gpio_leds,
+ };
+
+-static struct platform_device avila_leds_device = {
++static struct platform_device avila_gpio_leds_device = {
+ .name = "leds-gpio",
+ .id = -1,
+- .dev.platform_data = &avila_leds_data,
++ .dev.platform_data = &avila_gpio_leds_data,
+ };
+
++static struct latch_led avila_latch_leds[] = {
++ {
++ .name = "led0", /* green led */
++ .bit = 0,
++ },
++ {
++ .name = "led1", /* green led */
++ .bit = 1,
++ },
++ {
++ .name = "led2", /* green led */
++ .bit = 2,
++ },
++ {
++ .name = "led3", /* green led */
++ .bit = 3,
++ },
++ {
++ .name = "led4", /* green led */
++ .bit = 4,
++ },
++ {
++ .name = "led5", /* green led */
++ .bit = 5,
++ },
++ {
++ .name = "led6", /* green led */
++ .bit = 6,
++ },
++ {
++ .name = "led7", /* green led */
++ .bit = 7,
++ }
++};
++
++static struct latch_led_platform_data avila_latch_leds_data = {
++ .num_leds = 8,
++ .leds = avila_latch_leds,
++ .mem = 0x51000000,
++};
++
++static struct platform_device avila_latch_leds_device = {
++ .name = "leds-latch",
++ .id = -1,
++ .dev.platform_data = &avila_latch_leds_data,
++};
++
++
+ static struct resource avila_gpio_resources[] = {
+ {
+ .name = "gpio",
+@@ -221,7 +269,7 @@
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ #ifdef CONFIG_SENSORS_EEPROM
+@@ -230,7 +278,7 @@
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ static void __init avila_gw2345_setup(void)
+@@ -242,7 +290,7 @@
+ avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
+ platform_device_register(&avila_npec_device);
+
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ static void __init avila_gw2347_setup(void)
+@@ -250,8 +298,8 @@
+ avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
+ platform_device_register(&avila_npeb_device);
+
+- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
+- platform_device_register(&avila_leds_device);
++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ static void __init avila_gw2348_setup(void)
+@@ -259,13 +307,13 @@
+ platform_device_register(&avila_npeb_device);
+ platform_device_register(&avila_npec_device);
+
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ static void __init avila_gw2353_setup(void)
+ {
+ platform_device_register(&avila_npeb_device);
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
+ }
+
+ static void __init avila_gw2355_setup(void)
+@@ -277,7 +325,17 @@
+ avila_npec_data.phy = 16;
+ platform_device_register(&avila_npec_device);
+
+- platform_device_register(&avila_leds_device);
++ platform_device_register(&avila_gpio_leds_device);
++
++ *IXP4XX_EXP_CS4 |= 0xbfff3c03;
++ avila_latch_leds[0].name = "RXD";
++ avila_latch_leds[1].name = "TXD";
++ avila_latch_leds[2].name = "POL";
++ avila_latch_leds[3].name = "LNK";
++ avila_latch_leds[4].name = "ERR";
++ avila_latch_leds_data.num_leds = 5;
++ avila_latch_leds_data.mem = 0x54000000;
++ platform_device_register(&avila_latch_leds_device);
+ }
+
+ static void __init avila_gw2357_setup(void)
+@@ -285,8 +343,11 @@
+ avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
+ platform_device_register(&avila_npeb_device);
+
+- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
+- platform_device_register(&avila_leds_device);
++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
++ platform_device_register(&avila_gpio_leds_device);
++
++ *IXP4XX_EXP_CS1 |= 0xbfff3c03;
++ platform_device_register(&avila_latch_leds_device);
+ }
+
+ static struct avila_board_info avila_boards[] __initdata = {
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-29 11:29:49.000000000 -0700
++++ linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-30 14:43:57.000000000 -0700
+@@ -25,6 +25,8 @@
+ # include <linux/i2c.h>
+ # include <linux/eeprom.h>
+ #endif
++
++#include <linux/leds.h>
+
+ #include <linux/i2c-gpio.h>
+ #include <asm/types.h>
+@@ -149,19 +151,52 @@
+ }
+ };
+
+-#ifdef CONFIG_LEDS_IXP4XX
+-static struct platform_device cambria_leds_pld = {
+- .name = "IXP4XX-PLD-LED",
+- .id = -1,
+- .num_resources = 0,
+-};
+-
+-static struct platform_device cambria_leds_mem = {
+- .name = "IXP4XX-MEM-LED",
+- .id = -1,
+- .num_resources = 0,
++static struct latch_led cambria_leds[] = {
++ {
++ .name = "ledA", /* green led */
++ .bit = 0,
++ },
++ {
++ .name = "ledB", /* green led */
++ .bit = 1,
++ },
++ {
++ .name = "ledC", /* green led */
++ .bit = 2,
++ },
++ {
++ .name = "ledD", /* green led */
++ .bit = 3,
++ },
++ {
++ .name = "ledE", /* green led */
++ .bit = 4,
++ },
++ {
++ .name = "ledF", /* green led */
++ .bit = 5,
++ },
++ {
++ .name = "ledG", /* green led */
++ .bit = 6,
++ },
++ {
++ .name = "ledH", /* green led */
++ .bit = 7,
++ }
++};
++
++static struct latch_led_platform_data cambria_leds_data = {
++ .num_leds = 8,
++ .leds = cambria_leds,
++ .mem = 0x53F40000,
++};
++
++static struct platform_device cambria_leds_device = {
++ .name = "leds-latch",
++ .id = -1,
++ .dev.platform_data = &cambria_leds_data,
+ };
+-#endif
+
+ static struct platform_device *cambria_devices[] __initdata = {
+ &cambria_i2c_gpio,
+@@ -234,6 +269,9 @@
+ cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
+
+ platform_device_register(&cambria_pata);
++
++ *IXP4XX_EXP_CS3 |= 0xbfff3c03;
++ platform_device_register(&cambria_leds_device);
+ }
+
+ #ifdef CONFIG_MACH_CAMBRIA
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/include/linux/leds.h 2008-04-18 18:53:39.000000000 -0700
++++ linux-2.6.24.5/include/linux/leds.h 2008-04-29 17:48:56.000000000 -0700
+@@ -123,5 +123,18 @@
+ struct gpio_led *leds;
+ };
+
++/* For the leds-latch driver */
++struct latch_led {
++ const char *name;
++ char *default_trigger;
++ unsigned bit;
++};
++
++struct latch_led_platform_data {
++ int num_leds;
++ u32 mem;
++ struct latch_led *leds;
++};
++
+
+ #endif /* __LINUX_LEDS_H_INCLUDED */
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