Add generic gpio support to rdc, convert the led driver to be a platform driver, need to convert the flash driver as well
SVN-Revision: 8348
This commit is contained in:
Florian Fainelli
parent
9474a045bf
commit
ca7294b986
81
target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c
Normal file
81
target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c
Normal file
@ -0,0 +1,81 @@
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/*
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* Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
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* RDC321x architecture specific GPIO support
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/autoconf.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/types.h>
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#include <linux/module.h>
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#include <linux/delay.h>
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#define RDC3210_CFGREG_ADDR 0x0CF8
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#define RDC3210_CFGREG_DATA 0x0CFC
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static unsigned int rdc_gpio_read(unsigned gpio)
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{
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unsigned int val;
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val = 0x80000000 | (7 << 11) | ((0x48));
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outl(val, RDC3210_CFGREG_ADDR);
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udelay(10);
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val = inl(RDC3210_CFGREG_DATA);
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val |= (0x1 << gpio);
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outl(val, RDC3210_CFGREG_DATA);
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udelay(10);
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val = 0x80000000 | (7 << 11) | ((0x4C));
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outl(val, RDC3210_CFGREG_ADDR);
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udelay(10);
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val = inl(RDC3210_CFGREG_DATA);
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return val;
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}
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void rdc_gpio_write(unsigned int val)
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{
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if (val) {
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outl(val, RDC3210_CFGREG_DATA);
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udelay(10);
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}
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}
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int rdc_gpio_get_value(unsigned gpio)
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{
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return ((int)rdc_gpio_read(gpio));
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}
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EXPORT_SYMBOL(rdc_gpio_get_value);
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void rdc_gpio_set_value(unsigned gpio, int value)
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{
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unsigned int val;
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val = rdc_gpio_read(gpio);
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if (value)
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val &= ~(0x1 << gpio);
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else
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val |= (0x1 << gpio);
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rdc_gpio_write(val);
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}
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EXPORT_SYMBOL(rdc_gpio_set_value);
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int rdc_gpio_direction_input(unsigned gpio)
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{
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return 0;
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}
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EXPORT_SYMBOL(rdc_gpio_direction_input);
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int rdc_gpio_direction_output(unsigned gpio, int value)
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{
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return 0;
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}
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EXPORT_SYMBOL(rdc_gpio_direction_output);
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73
target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c
Normal file
73
target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c
Normal file
@ -0,0 +1,73 @@
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/*
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* $Id: platform.c 8331 2007-08-03 15:59:23Z florian $
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*
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* Generic RDC321x platform devices
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/list.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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#include <asm/gpio.h>
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#include <asm/mach-rdc/rdc321x_defs.h>
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/* FIXME : Flash */
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static struct resource rdc_flash_resource[] = {
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[0] = {
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.start = RDC_FLASH_BASE,
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.end = RDC_FLASH_BASE+CONFIG_MTD_RDC3210_SIZE-1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device rdc_flash_device = {
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.name = "rdc321x-flash",
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.id = -1,
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.num_resources = ARRAY_SIZE(rdc_flash_resource),
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.resource = rdc_flash_resource,
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};
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/* LEDS */
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static struct platform_device rdc321x_leds = {
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.name = "rdc321x-leds",
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.id = -1,
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.num_resources = 0,
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};
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static int __init rdc_board_setup(void)
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{
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int err;
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err = platform_device_register(&rdc_flash_device);
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if (err)
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printk(KERN_ALERT "rdc321x: failed to register flash\n");
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err = platform_device_register(&rdc321x_leds);
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if (err)
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printk(KERN_ALERT "rdc321x: failed to register LEDS\n");
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return err;
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}
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arch_initcall(rdc_board_setup);
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@ -10,100 +10,67 @@
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/leds.h>
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#include <linux/err.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#define LED_VAL 0x8000384C // the data ofset of gpio 0~30
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int gpio;
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module_param(gpio, int, 0444);
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MODULE_PARM_DESC(gpio, " GPIO line");
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static struct platform_device *pdev;
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static void rdc3211_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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static void rdc321x_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
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{
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unsigned long ul_ledstat = 0xffffffff;
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unsigned long led_bit = 1 << (led_cdev->flags);
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if (brightness)
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ul_ledstat &= ~led_bit;
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else
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ul_ledstat|= led_bit;
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outl(LED_VAL, 0xcf8);
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outl(ul_ledstat, 0xcfc);
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gpio_set_value(gpio, brightness ? 1 : 0);
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}
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static struct led_classdev rdc3211_power_led = {
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.name = "rdc3211:power",
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.flags = 15,
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.brightness_set = rdc3211_led_set,
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static struct led_classdev rdc321x_dmz_led = {
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.name = "rdc321x:dmz",
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.brightness_set = rdc321x_led_set,
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};
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static struct led_classdev rdc3211_dmz_led = {
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.name = "rdc3211:dmz",
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.flags = 16,
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.brightness_set = rdc3211_led_set,
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};
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static int rdc3211_leds_probe(struct platform_device *pdev)
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static int rdc321x_leds_probe(struct platform_device *pdev)
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{
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int ret;
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ret = led_classdev_register(&pdev->dev, &rdc3211_power_led);
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if (ret < 0)
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return ret;
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ret = led_classdev_register(&pdev->dev, &rdc3211_dmz_led);
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if (ret < 0)
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led_classdev_unregister(&rdc3211_power_led);
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return ret;
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return led_classdev_register(&pdev->dev, &rdc321x_dmz_led);
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}
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static int rdc3211_leds_remove(struct platform_device *pdev)
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static int rdc321x_leds_remove(struct platform_device *pdev)
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{
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led_classdev_unregister(&rdc3211_power_led);
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led_classdev_unregister(&rdc3211_dmz_led);
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led_classdev_unregister(&rdc321x_dmz_led);
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return 0;
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}
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static struct platform_driver rdc3211_leds_driver = {
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.probe = rdc3211_leds_probe,
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.remove = rdc3211_leds_remove,
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static struct platform_driver rdc321x_leds_driver = {
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.probe = rdc321x_leds_probe,
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.remove = rdc321x_leds_remove,
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.driver = {
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.name = "rdc3211-leds",
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.name = "rdc321x-leds",
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.owner = THIS_MODULE,
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}
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};
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static int __init rdc3211_leds_init(void)
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static int __init rdc321x_leds_init(void)
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{
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int ret;
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ret = platform_driver_register(&rdc3211_leds_driver);
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if (ret < 0)
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goto out;
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ret = platform_driver_register(&rdc321x_leds_driver);
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pdev = platform_device_register_simple("rdc3211-leds", -1, NULL, 0);
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if (IS_ERR(pdev)) {
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ret = PTR_ERR(pdev);
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platform_driver_unregister(&rdc3211_leds_driver);
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goto out;
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}
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out:
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return ret;
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}
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static void __exit rdc3211_leds_exit(void)
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static void __exit rdc321x_leds_exit(void)
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{
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platform_driver_unregister(&rdc3211_leds_driver);
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platform_driver_unregister(&rdc321x_leds_driver);
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}
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module_init(rdc3211_leds_init);
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module_exit(rdc3211_leds_exit);
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module_init(rdc321x_leds_init);
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module_exit(rdc321x_leds_exit);
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MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
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MODULE_DESCRIPTION("RDC3211 LED driver");
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MODULE_DESCRIPTION("RDC321x LED driver");
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MODULE_LICENSE("GPL");
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6
target/linux/rdc-2.6/files/include/asm-i386/gpio.h
Normal file
6
target/linux/rdc-2.6/files/include/asm-i386/gpio.h
Normal file
@ -0,0 +1,6 @@
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#ifndef _ASM_I386_GPIO_H
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#define _ASM_I386_GPIO_H
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#include <gpio.h>
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#endif /* _ASM_I386_GPIO_H */
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@ -0,0 +1,15 @@
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#ifndef __ASM_MACH_GENERIC_GPIO_H
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#define __ASM_MACH_GENERIC_GPIO_H
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int gpio_request(unsigned gpio, const char *label);
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void gpio_free(unsigned gpio);
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int gpio_direction_input(unsigned gpio);
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int gpio_direction_output(unsigned gpio, int value);
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int gpio_get_value(unsigned gpio);
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void gpio_set_value(unsigned gpio, int value);
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int gpio_to_irq(unsigned gpio);
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int irq_to_gpio(unsigned irq);
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#include <asm-generic/gpio.h> /* cansleep wrappers */
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#endif /* __ASM_MACH_GENERIC_GPIO_H */
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56
target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h
Normal file
56
target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h
Normal file
@ -0,0 +1,56 @@
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#ifndef _RDC_GPIO_H
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#define _RDC_GPIO_H
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extern int rdc_gpio_get_value(unsigned gpio);
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extern void rdc_gpio_set_value(unsigned gpio, int value);
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extern int rdc_gpio_direction_input(unsigned gpio);
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extern int rdc_gpio_direction_output(unsigned gpio, int value);
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/* Wrappers for the arch-neutral GPIO API */
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static inline int gpio_request(unsigned gpio, const char *label)
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{
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/* Not yet implemented */
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return 0;
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}
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static inline void gpio_free(unsigned gpio)
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{
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/* Not yet implemented */
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}
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static inline int gpio_direction_input(unsigned gpio)
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{
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return rdc_gpio_direction_input(gpio);
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}
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static inline int gpio_direction_output(unsigned gpio, int value)
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{
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return rdc_gpio_direction_output(gpio, value);
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}
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static inline int gpio_get_value(unsigned gpio)
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{
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return rdc_gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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rdc_gpio_set_value(gpio, value);
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}
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static inline int gpio_to_irq(unsigned gpio)
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{
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return gpio;
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}
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static inline int irq_to_gpio(unsigned irq)
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{
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return irq;
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}
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/* For cansleep */
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#include <asm-generic/gpio.h>
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#endif /* _RDC_GPIO_H_ */
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@ -0,0 +1 @@
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#define RDC_FLASH_BASE 0xffc00000
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@ -24,7 +24,7 @@ diff -urN linux-2.6.19/arch/i386/Makefile linux-2.6.19.new/arch/i386/Makefile
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mcore-$(CONFIG_X86_ES7000) := mach-default
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core-$(CONFIG_X86_ES7000) := arch/i386/mach-es7000/
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+# RDC subarch support
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+mflags-$(CONFIG_X86_RDC) := -Iinclude/asm-i386/mach-generic
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+mflags-$(CONFIG_X86_RDC) := -Iinclude/asm-i386/mach-rdc
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+mcore-$(CONFIG_X86_RDC) := mach-default
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+core-$(CONFIG_X86_RDC) += arch/i386/mach-rdc/
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@ -38,787 +38,4 @@ diff -urN linux-2.6.19/arch/i386/mach-rdc/Makefile linux-2.6.19.new/arch/i386/ma
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+# Makefile for the linux kernel.
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+#
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+
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+obj-$(CONFIG_X86_RDC) := led.o
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diff -urN linux-2.6.19/arch/i386/mach-rdc/led.c linux-2.6.19.new/arch/i386/mach-rdc/led.c
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--- linux-2.6.19/arch/i386/mach-rdc/led.c 1970-01-01 01:00:00.000000000 +0100
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+++ linux-2.6.19.new/arch/i386/mach-rdc/led.c 2006-12-17 17:13:33.000000000 +0100
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@@ -0,0 +1,743 @@
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+/*
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+ * LED interface for WP3200
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+ *
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+ * Copyright (C) 2002, by Allen Hung
|
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+ *
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+ */
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+
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+#include <linux/types.h>
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+#include <linux/errno.h>
|
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+#include <linux/ioport.h>
|
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+#include <linux/fcntl.h>
|
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+#include <linux/sched.h>
|
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+#include <linux/module.h>
|
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+#include <linux/proc_fs.h>
|
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+#include <linux/init.h>
|
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+#include <linux/timer.h>
|
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+#include <asm/io.h>
|
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+#include <asm/uaccess.h>
|
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+#include <asm/system.h>
|
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+#include <linux/reboot.h>
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+
|
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+#include "led.h"
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+
|
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+#define BUF_LEN 30
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+
|
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+struct LED_DATA {
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+ char sts_buf[BUF_LEN+1];
|
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+ unsigned long sts;
|
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+};
|
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+
|
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+struct LED_DATA led_data[LED_DEV_NUM];
|
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+// sam
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+unsigned long ul_ledstat = 0xffffffff;
|
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+
|
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+
|
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+static struct timer_list blink_timer[LED_DEV_NUM];
|
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+// sam 01-30-2004 for watchdog
|
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+static struct timer_list watchdog;
|
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+// end sam
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+static char cmd_buf[BUF_LEN+1];
|
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+
|
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+//------------------------------------------------------------
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+static long atoh(char *p)
|
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+{
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+ long v = 0, c;
|
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+ while ( (c = *p++) ) {
|
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+ if ( c >= '0' && c <= '9' ) v = (v << 4) + c - '0';
|
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+ else if ( c >= 'a' && c <= 'f' ) v = (v << 4) + c - 'a' + 0xA;
|
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+ else if ( c >= 'A' && c <= 'F' ) v = (v << 4) + c - 'A' + 0xA;
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+ else break;
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+ }
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+ return v;
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+}
|
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+
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+static int reset_flash_default(void *data)
|
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+{
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+ char *argv[3], *envp[1] = {NULL};
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+ int i = 0;
|
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+
|
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+ int reset_default=(int) data;
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+
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+ argv[i++] = "/bin/flash";
|
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+ argv[i++] = "default";
|
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+ argv[i] = NULL;
|
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+ if(reset_default)
|
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+ if (call_usermodehelper(argv[0], argv, envp, 1))
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+ printk("failed to Reset to default\n");
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+ machine_restart(0);
|
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+ return 0;
|
||||
+}
|
||||
+
|
||||
+// sam for ps 3205U -- using CSx1 (0xb0e00000)
|
||||
+// bit map as following
|
||||
+// BIT 1 2 3 4 5
|
||||
+// POWER WLEN PORT1 PORT2 PORT3
|
||||
+//
|
||||
+// value 0 --> led on
|
||||
+// value 1 --> led off
|
||||
+
|
||||
+#define _ROUTER_
|
||||
+
|
||||
+#ifdef _ROUTER_
|
||||
+ #define LED_VAL 0x8000384C // the data ofset of gpio 0~30
|
||||
+#else
|
||||
+ #define LED_VAL 0x80003888 // the ofset of gpio 31~58
|
||||
+#endif
|
||||
+#define GPIO_VAL 0x8000384C // the offset of gpio 0-30
|
||||
+
|
||||
+
|
||||
+
|
||||
+// sam 1-30-2004 LED status
|
||||
+// bit map as following
|
||||
+// BIT 4:0 Link status -->PHY Link ->1 = up, 0 = down
|
||||
+#define LINK_STATUS (*(unsigned long *)0xb2000014)
|
||||
+#define WATCHDOG_VAL (*(unsigned long *)0xb20000c0)
|
||||
+#define WATCHDOG_PERIOD 500 // unit ms
|
||||
+#define EXPIRE_TIME 300 // unit 10 ms
|
||||
+#define CLEAR_TIMEER 0xffffa000l // bit 14:0 -> count up timer, write 0 to clear
|
||||
+#define ENABLE_WATCHDOG 0x80000000l // bit 31 -> 1 enable , 0 disable watchdog
|
||||
+#define WATCHDOG_SET_TMR_SHIFT 16 // bit 16:30 -> watchdog timer set
|
||||
+// end sam
|
||||
+
|
||||
+
|
||||
+//------------------------------------------------------------
|
||||
+static void turn_led(int id, int on)
|
||||
+{
|
||||
+ unsigned long led_bit = 1 << (id);
|
||||
+ unsigned long led_bit_val;
|
||||
+
|
||||
+ // since we define we have 8 led devices and use gpio 53, 55, 57, 58
|
||||
+ // which locate at bit21~26, so we rotate left 20bit
|
||||
+
|
||||
+#ifdef _ROUTER_
|
||||
+ led_bit_val = led_bit;
|
||||
+#else
|
||||
+ led_bit_val = led_bit << 20;
|
||||
+#endif
|
||||
+
|
||||
+ switch ( on ) {
|
||||
+ case 0:
|
||||
+ ul_ledstat|= led_bit_val;
|
||||
+ outl(LED_VAL, 0xcf8);
|
||||
+ outl(ul_ledstat, 0xcfc);
|
||||
+ break; // LED OFF
|
||||
+ case 1:
|
||||
+ ul_ledstat &= ~led_bit_val;
|
||||
+ outl(LED_VAL, 0xcf8);
|
||||
+ outl(ul_ledstat, 0xcfc);
|
||||
+ break; // LED ON
|
||||
+ case 2:
|
||||
+ ul_ledstat ^= led_bit_val;
|
||||
+ outl(LED_VAL, 0xcf8);
|
||||
+ outl(ul_ledstat, 0xcfc);
|
||||
+ break; // LED inverse
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+
|
||||
+static int led_flash[30]={20,10,100,5,5,150,100,5,5,50,20,50,50,20,60,5,20,10,30,10,5,10,50,2,5,5,5,70,10,50};//Erwin
|
||||
+static unsigned int wlan_counter; //Erwin
|
||||
+static void blink_wrapper(u_long id)
|
||||
+{
|
||||
+ u_long sts = led_data[id].sts;
|
||||
+
|
||||
+ if ( (sts & LED_BLINK_CMD) == LED_BLINK_CMD ) {
|
||||
+ unsigned long period = sts & LED_BLINK_PERIOD;
|
||||
+ if(period == 0xffff) // BLINK random
|
||||
+ {
|
||||
+ blink_timer[id].expires = jiffies + 3*led_flash[wlan_counter%30]*HZ/1000;
|
||||
+ wlan_counter++;
|
||||
+ }
|
||||
+ else
|
||||
+ blink_timer[id].expires = jiffies + (period * HZ / 1000);
|
||||
+ turn_led(id, 2);
|
||||
+ add_timer(&blink_timer[id]);
|
||||
+ }
|
||||
+ else if ( sts == LED_ON || sts == LED_OFF )
|
||||
+ turn_led(id, sts==LED_ON ? 1 : 0);
|
||||
+}
|
||||
+//------------------------------------------------------------
|
||||
+static void get_token_str(char *str, char token[][21], int token_num)
|
||||
+{
|
||||
+ int t, i;
|
||||
+
|
||||
+ for ( t = 0 ; t < token_num ; t++ ) {
|
||||
+ memset(token[t], 0, 21);
|
||||
+ while ( *str == ' ' ) str++;
|
||||
+ for ( i = 0 ; str[i] ; i++ ) {
|
||||
+ if ( str[i] == '\t' || str[i] == ' ' || str[i] == '\n' ) break;
|
||||
+ if ( i < 20 ) token[t][i] = str[i];
|
||||
+ }
|
||||
+ str += i;
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+//------------------------------------------------------------
|
||||
+static void set_led_status_by_str(int id)
|
||||
+{
|
||||
+ char token[3][21], *p;
|
||||
+
|
||||
+
|
||||
+ get_token_str(led_data[id].sts_buf, token, 3);
|
||||
+
|
||||
+ if ( strcmp(token[0], "LED") )
|
||||
+ {
|
||||
+ goto set_led_off;
|
||||
+ }
|
||||
+ if ( !strcmp(token[1], "ON") )
|
||||
+ {
|
||||
+
|
||||
+ turn_led(id, 1);
|
||||
+ led_data[id].sts = LED_ON;
|
||||
+ }
|
||||
+ else if ( !strcmp(token[1], "OFF") )
|
||||
+ {
|
||||
+
|
||||
+ goto set_led_off;
|
||||
+ }
|
||||
+ else if ( !strcmp(token[1], "BLINK") )
|
||||
+ {
|
||||
+ unsigned int period = 0;
|
||||
+ p = token[2];
|
||||
+ if ( !strcmp(p, "FAST") )
|
||||
+ period = LED_BLINK_FAST & LED_BLINK_PERIOD;
|
||||
+ else if ( !strcmp(p, "SLOW") )
|
||||
+ period = LED_BLINK_SLOW & LED_BLINK_PERIOD;
|
||||
+ else if ( !strcmp(p, "EXTRA_SLOW") )
|
||||
+ period = LED_BLINK_EXTRA_SLOW & LED_BLINK_PERIOD;
|
||||
+ else if ( !strcmp(p, "RANDOM") )
|
||||
+ period = LED_BLINK_RANDOM & LED_BLINK_PERIOD;
|
||||
+ else if ( !strcmp(p, "OFF") )
|
||||
+ goto set_led_off;
|
||||
+ else if ( *p >= '0' && *p <= '9' )
|
||||
+ {
|
||||
+ while ( *p >= '0' && *p <= '9' )
|
||||
+ period = period * 10 + (*p++) - '0';
|
||||
+// if ( period > 10000 )
|
||||
+// period = 10000;
|
||||
+ }
|
||||
+ else
|
||||
+ period = LED_BLINK & LED_BLINK_PERIOD;
|
||||
+
|
||||
+ if ( period == 0 )
|
||||
+ goto set_led_off;
|
||||
+
|
||||
+ sprintf(led_data[id].sts_buf, "LED BLINK %d\n", period);
|
||||
+ led_data[id].sts = LED_BLINK_CMD + period;
|
||||
+ turn_led(id, 2);
|
||||
+ // Set timer for next blink
|
||||
+ del_timer(&blink_timer[id]);
|
||||
+ blink_timer[id].function = blink_wrapper;
|
||||
+ blink_timer[id].data = id;
|
||||
+ init_timer(&blink_timer[id]);
|
||||
+
|
||||
+ blink_timer[id].expires = jiffies + (1000 * HZ / 1000);
|
||||
+
|
||||
+ add_timer(&blink_timer[id]);
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ goto set_led_off;
|
||||
+ }
|
||||
+ return;
|
||||
+ set_led_off:
|
||||
+ strcpy(led_data[id].sts_buf, "LED OFF\n");
|
||||
+ led_data[id].sts = LED_OFF;
|
||||
+ turn_led(id, 0);
|
||||
+}
|
||||
+
|
||||
+//----------------------------------------------------------------------
|
||||
+static int led_read_proc(char *buf, char **start, off_t fpos, int length, int *eof, void *data)
|
||||
+{
|
||||
+ int len, dev;
|
||||
+
|
||||
+ for ( len = dev = 0 ; dev < LED_DEV_NUM ; dev++ ) {
|
||||
+ len += sprintf(buf+len, "%d: %s", dev, led_data[dev].sts_buf);
|
||||
+ }
|
||||
+ len = strlen(buf) - fpos;
|
||||
+ if ( len <= 0 ) {
|
||||
+ *start = buf;
|
||||
+ *eof = 1;
|
||||
+ return 0;
|
||||
+ }
|
||||
+ *start = buf + fpos;
|
||||
+ if ( len <= length ) *eof = 1;
|
||||
+ return len < length ? len : length;
|
||||
+}
|
||||
+
|
||||
+//----------------------------------------------------------------------
|
||||
+static int led_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
|
||||
+{
|
||||
+ int id = (int)file->private_data;
|
||||
+
|
||||
+ switch ( cmd ) {
|
||||
+ case LED_ON:
|
||||
+ strcpy(led_data[id].sts_buf, "LED ON\n");
|
||||
+ set_led_status_by_str(id);
|
||||
+ break;
|
||||
+ case LED_OFF:
|
||||
+ strcpy(led_data[id].sts_buf, "LED OFF\n");
|
||||
+ set_led_status_by_str(id);
|
||||
+ break;
|
||||
+ default:
|
||||
+ if ( (cmd & LED_BLINK_CMD) != LED_BLINK_CMD )
|
||||
+ {
|
||||
+ break;
|
||||
+ }
|
||||
+ case LED_BLINK:
|
||||
+ case LED_BLINK_FAST:
|
||||
+ case LED_BLINK_SLOW:
|
||||
+ case LED_BLINK_EXTRA_SLOW:
|
||||
+ case LED_BLINK_RANDOM:
|
||||
+ sprintf(led_data[id].sts_buf, "LED BLINK %d\n", (int)(cmd & LED_BLINK_PERIOD));
|
||||
+ set_led_status_by_str(id);
|
||||
+ break;
|
||||
+ }
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int led_open(struct inode *inode, struct file *file)
|
||||
+{
|
||||
+ int led_id = MINOR(inode->i_rdev);
|
||||
+// unsigned long led_bit = 1 << (led_id);
|
||||
+
|
||||
+ if ( led_id >= LED_DEV_NUM )
|
||||
+ return -ENODEV;
|
||||
+/* sam 12/02/2003
|
||||
+ GPIO_SEL_I_O &= ~led_bit; // 0 to GPIO
|
||||
+ GPIO_O_EN |= (led_bit << 16); // 0 to Output
|
||||
+*/
|
||||
+
|
||||
+ file->private_data = (void*)led_id;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static long led_read(struct file *file, char *buf, size_t count, loff_t *fpos)
|
||||
+{
|
||||
+ int rem, len;
|
||||
+ int id = (int)file->private_data;
|
||||
+ char *p = led_data[id].sts_buf;
|
||||
+
|
||||
+ len = strlen(p);
|
||||
+ rem = len - *fpos;
|
||||
+ if ( rem <= 0 ) {
|
||||
+ *fpos = len;
|
||||
+ return 0;
|
||||
+ }
|
||||
+ if ( rem > count ) rem = count;
|
||||
+ memcpy(buf, p+(*fpos), rem);
|
||||
+ *fpos += rem;
|
||||
+ return rem;
|
||||
+}
|
||||
+
|
||||
+static long led_write(struct file *file, char *buf, size_t count, loff_t *fpos)
|
||||
+{
|
||||
+ int len;
|
||||
+ int id = (int)file->private_data;
|
||||
+ char *p = id == REG_MINOR ? cmd_buf : led_data[id].sts_buf;
|
||||
+ memset(p, 0, BUF_LEN);
|
||||
+
|
||||
+ p += *fpos;
|
||||
+ len = 0;
|
||||
+
|
||||
+
|
||||
+ while ( count > 0 )
|
||||
+ {
|
||||
+
|
||||
+ if ( *fpos < BUF_LEN )
|
||||
+ {
|
||||
+ int c = *buf++;
|
||||
+ p[len] = c>='a' && c<='z' ? c-'a'+'A' : c;
|
||||
+ }
|
||||
+ (*fpos)++;
|
||||
+ len++;
|
||||
+ count--;
|
||||
+ }
|
||||
+ // sam
|
||||
+ set_led_status_by_str(id);
|
||||
+ (*fpos) = 0;
|
||||
+ //
|
||||
+
|
||||
+ return len;
|
||||
+}
|
||||
+
|
||||
+static int led_flush(struct file *file)
|
||||
+{
|
||||
+ int id = (int)file->private_data;
|
||||
+
|
||||
+ if ( file->f_mode & FMODE_WRITE )
|
||||
+ {
|
||||
+ set_led_status_by_str(id);
|
||||
+ }
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static struct file_operations led_fops = {
|
||||
+ read: led_read,
|
||||
+ write: led_write,
|
||||
+ flush: led_flush,
|
||||
+ ioctl: led_ioctl,
|
||||
+ open: led_open,
|
||||
+};
|
||||
+
|
||||
+//----------------------------------------------
|
||||
+static unsigned long *reg_addr;
|
||||
+static int dump_len;
|
||||
+
|
||||
+static int dump_content(char *buf)
|
||||
+{
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static long gpio_read(struct file *file, char *buf, size_t count, loff_t *fpos)
|
||||
+{
|
||||
+ int rem, len;
|
||||
+ int id = (int)file->private_data;
|
||||
+ char temp[80*10];
|
||||
+ unsigned long gpio_regval =0;
|
||||
+
|
||||
+ outl(GPIO_VAL, 0xcf8);
|
||||
+ gpio_regval = inl(0xcfc);
|
||||
+ gpio_regval |= 0x40;
|
||||
+ outl(gpio_regval, 0xcfc); // each in, need out 1 first
|
||||
+ gpio_regval = inl(0xcfc);
|
||||
+
|
||||
+
|
||||
+ // sam debug
|
||||
+ //printk(KERN_ERR "gpio_id:%d, gpio_regval:%08X\n", id, gpio_regval);
|
||||
+ //end sam
|
||||
+
|
||||
+ if ( id < GPIO_DEV_NUM ) {
|
||||
+ int gpio_bit = 1 << id;
|
||||
+
|
||||
+ len = sprintf(temp, "%d\n", (gpio_regval & gpio_bit) ? 1 : 0);
|
||||
+ }
|
||||
+ else // REG device
|
||||
+ len = dump_content(temp);
|
||||
+ rem = len - *fpos;
|
||||
+ if ( rem <= 0 ) {
|
||||
+ *fpos = len;
|
||||
+ return 0;
|
||||
+ }
|
||||
+ if ( rem > count ) rem = count;
|
||||
+ memcpy(buf, temp+(*fpos), rem);
|
||||
+ *fpos += rem;
|
||||
+ return rem;
|
||||
+}
|
||||
+
|
||||
+static int gpio_flush(struct file *file)
|
||||
+{
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int gpio_open(struct inode *inode, struct file *file)
|
||||
+{
|
||||
+ int id = MINOR(inode->i_rdev);
|
||||
+ if ( id >= GPIO_DEV_NUM && id != REG_MINOR )
|
||||
+ return -ENODEV;
|
||||
+ file->private_data = (void*)id;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static struct file_operations gpio_fops = {
|
||||
+ read: gpio_read,
|
||||
+ open: gpio_open,
|
||||
+ flush: gpio_flush,
|
||||
+ write: led_write,
|
||||
+};
|
||||
+
|
||||
+// ---------------------------------------------
|
||||
+// sam 1-30-2004 LAN_STATUS Device
|
||||
+
|
||||
+//static unsigned long *reg_addr;
|
||||
+//static int dump_len;
|
||||
+
|
||||
+//static int lanSt_content(char *buf)
|
||||
+//{
|
||||
+// int i, j, len;
|
||||
+// unsigned long *p = (unsigned long *)0xb2000014; // PHY_ST
|
||||
+// // j = dump_len/4 + ((dump_len&3) ? 1 : 0);
|
||||
+// len = sprintf(buf, "Reg Addr = %08lX, Value = \n", (unsigned long)p);
|
||||
+// // for ( i = 0 ; i < j ; i++, p++ )
|
||||
+// len += sprintf(buf+len,"%08lX\n", *p);
|
||||
+
|
||||
+// return len;
|
||||
+//}
|
||||
+
|
||||
+#define MAC_IOBASE 0xe800 // Eth0
|
||||
+#define PHY_ADDR 1 // For Eth0
|
||||
+#define MII_STATUS_ADDR 1
|
||||
+// where "id" value means which bit of PHY reg 1 we want to check
|
||||
+static long lanSt_read(struct file *file, char *buf, size_t count, loff_t *fpos)
|
||||
+{
|
||||
+ int rem, len;
|
||||
+// unsigned long *p = (unsigned long *)0xb2000014; // PHY_ST
|
||||
+ unsigned short status;
|
||||
+ unsigned int i = 0;
|
||||
+ int id = (int)file->private_data;
|
||||
+ char temp[80*10];
|
||||
+
|
||||
+ outw(0x2000 + MII_STATUS_ADDR + (PHY_ADDR << 8), MAC_IOBASE + 0x20);
|
||||
+ do{}while( (i++ < 2048) && (inw(MAC_IOBASE+0x20) & 0x2000) );
|
||||
+
|
||||
+ status = inw(MAC_IOBASE + 0x24);
|
||||
+
|
||||
+ // sam debug
|
||||
+ //printk(KERN_ERR "PHY REG1 Status:%04x\n", status );
|
||||
+ // end sam
|
||||
+
|
||||
+ if ( id < LAN_DEV_NUM ) {
|
||||
+ unsigned long lanSt_bit = 1 << id;
|
||||
+// len = lanSt_content(temp);
|
||||
+ len = sprintf(temp, "%d\n",(status & lanSt_bit) ? 1 : 0);
|
||||
+ }
|
||||
+ else // REG device
|
||||
+ {
|
||||
+ len = sprintf(temp, "-1\n");
|
||||
+ }
|
||||
+ rem = len - *fpos;
|
||||
+ if ( rem <= 0 ) {
|
||||
+ *fpos = len;
|
||||
+ return 0;
|
||||
+ }
|
||||
+ if ( rem > count ) rem = count;
|
||||
+ memcpy(buf, temp+(*fpos), rem);
|
||||
+ *fpos += rem;
|
||||
+ return rem;
|
||||
+}
|
||||
+
|
||||
+static int lanSt_flush(struct file *file)
|
||||
+{
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static int lanSt_open(struct inode *inode, struct file *file)
|
||||
+{
|
||||
+ int id = MINOR(inode->i_rdev);
|
||||
+ if ( id >= LAN_DEV_NUM && id != REG_MINOR )
|
||||
+ return -ENODEV;
|
||||
+ file->private_data = (void*)id;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static struct file_operations lanSt_fops = {
|
||||
+ read: lanSt_read,
|
||||
+ open: lanSt_open,
|
||||
+ flush: lanSt_flush,
|
||||
+ write: led_write,
|
||||
+};
|
||||
+
|
||||
+//----------------------------------------------
|
||||
+static int SwResetPress = 0;
|
||||
+static int SwResetCounter = 0;
|
||||
+static int RebootFlag = 0;
|
||||
+static void watchdog_wrapper(unsigned int period)
|
||||
+{
|
||||
+ // { RexHua add for restore default, by press SwReset 5 second, 2 sec to restart
|
||||
+#if 0 //
|
||||
+ u_long reg;
|
||||
+
|
||||
+ outl(GPIO_VAL, 0xcf8);
|
||||
+ reg = inl(0xcfc);
|
||||
+ reg |= 0x40;
|
||||
+ outl(reg, 0xcfc); // each in, need out 1 first
|
||||
+ reg = inl(0xcfc);
|
||||
+
|
||||
+ if( (reg & 0x40) == 0)
|
||||
+ {
|
||||
+ if(SwResetPress == 0)
|
||||
+ {
|
||||
+ SwResetCounter=0;
|
||||
+ strcpy(led_data[15].sts_buf, "LED BLINK 500\n" );
|
||||
+ set_led_status_by_str(15);
|
||||
+ }
|
||||
+ SwResetPress=1;
|
||||
+ printk("SwReset press!\n");
|
||||
+
|
||||
+ }
|
||||
+ else
|
||||
+ {
|
||||
+ if(SwResetPress=1)
|
||||
+ {
|
||||
+ strcpy(led_data[15].sts_buf, "LED ON\n" );
|
||||
+ set_led_status_by_str(15);
|
||||
+ }
|
||||
+
|
||||
+ SwResetPress=0;
|
||||
+ if(RebootFlag == 1)
|
||||
+ machine_restart(0);
|
||||
+ }
|
||||
+
|
||||
+ if(SwResetPress == 1)
|
||||
+ {
|
||||
+ if(SwResetCounter > 10)
|
||||
+ {
|
||||
+ turn_led(15, 0);
|
||||
+// kernel_thread(reset_flash_default, 1, SIGCHLD);
|
||||
+ reset_flash_default(1);
|
||||
+ turn_led(15, 1);
|
||||
+ }
|
||||
+ else if(SwResetCounter == 3)
|
||||
+ {
|
||||
+ RebootFlag=1;
|
||||
+ strcpy(led_data[15].sts_buf, "LED BLINK 100\n" );
|
||||
+ set_led_status_by_str(15);
|
||||
+ }
|
||||
+ }
|
||||
+
|
||||
+ SwResetCounter++;
|
||||
+#endif
|
||||
+
|
||||
+ // clear timer count
|
||||
+ outl(0x80003844, 0xcf8);
|
||||
+ outl(0x00800080, 0xcfc); // enable watchdog and set the timeout = 1.34s
|
||||
+ //printk(KERN_ERR "wdt\n" );
|
||||
+ watchdog.expires = jiffies + (period * HZ / 1000);
|
||||
+ add_timer(&watchdog);
|
||||
+}
|
||||
+
|
||||
+//----------------------------------------------
|
||||
+static int init_status;
|
||||
+
|
||||
+#define INIT_REGION 0x01
|
||||
+#define INIT_LED_REGISTER 0x02
|
||||
+#define INIT_LED_PROC_READ 0x04
|
||||
+#define INIT_GPIO_REGISTER 0x08
|
||||
+// sam 1-30-2004 LAN_STATUS
|
||||
+#define INIT_LAN_STATUS_REGISTER 0x10
|
||||
+#define INIT_WATCHDOG_REGISTER 0x20
|
||||
+
|
||||
+static void led_exit(void)
|
||||
+{
|
||||
+ int id;
|
||||
+ for ( id = 0 ; id < LED_DEV_NUM ; id++ ) {
|
||||
+ del_timer(&blink_timer[id]);
|
||||
+ turn_led(id, 0);
|
||||
+ }
|
||||
+ if ( init_status & INIT_LED_PROC_READ )
|
||||
+ remove_proc_entry("driver/led", NULL);
|
||||
+
|
||||
+ if ( init_status & INIT_LED_REGISTER )
|
||||
+ unregister_chrdev(LED_MAJOR, "led");
|
||||
+
|
||||
+ if ( init_status & INIT_GPIO_REGISTER )
|
||||
+ unregister_chrdev(GPIO_MAJOR, "gpio");
|
||||
+ // sam 1-30-2004
|
||||
+
|
||||
+ if( init_status & INIT_LAN_STATUS_REGISTER )
|
||||
+ unregister_chrdev(LAN_STATUS_MAJOR, "lanSt");
|
||||
+
|
||||
+ if( init_status & INIT_WATCHDOG_REGISTER)
|
||||
+ del_timer(&watchdog);
|
||||
+
|
||||
+
|
||||
+ // end sam
|
||||
+
|
||||
+}
|
||||
+
|
||||
+static int __init led_init(void)
|
||||
+{
|
||||
+ int result, id, i, j;
|
||||
+ unsigned long reg;
|
||||
+ init_status = 0;
|
||||
+
|
||||
+ //----- register device (LED)-------------------------
|
||||
+
|
||||
+
|
||||
+ result = register_chrdev(LED_MAJOR, "led", &led_fops);
|
||||
+ if ( result < 0 ) {
|
||||
+ printk(KERN_ERR "led: can't register char device\n" );
|
||||
+ led_exit();
|
||||
+ return result;
|
||||
+ }
|
||||
+ init_status |= INIT_LED_REGISTER;
|
||||
+ //----- register device (GPIO)-------------------------
|
||||
+ result = register_chrdev(GPIO_MAJOR, "gpio", &gpio_fops);
|
||||
+ if ( result < 0 ) {
|
||||
+ printk(KERN_ERR "gpio: can't register char device\n" );
|
||||
+ led_exit();
|
||||
+ return result;
|
||||
+ }
|
||||
+ init_status |= INIT_GPIO_REGISTER;
|
||||
+
|
||||
+ // sam 1-30-2004 LAN Status
|
||||
+ // ----- register device (LAN_STATUS)-------------------
|
||||
+
|
||||
+ //--> sam 5-1802995
|
||||
+
|
||||
+ result = register_chrdev(LAN_STATUS_MAJOR, "lanSt", &lanSt_fops);
|
||||
+ if ( result < 0 ) {
|
||||
+ printk(KERN_ERR "lanSt: can't register char device\n" );
|
||||
+ led_exit();
|
||||
+ return result;
|
||||
+ }
|
||||
+ init_status |= INIT_LAN_STATUS_REGISTER;
|
||||
+
|
||||
+ // <-- end sam
|
||||
+
|
||||
+ // -----------init watchdog timer-------------------------
|
||||
+ //del_timer(&blink_timer[id]);
|
||||
+
|
||||
+ outl(0x80003840, 0xcf8);
|
||||
+ reg = inl(0xcfc);
|
||||
+ reg |= 0x1600; // ensable SRC bit
|
||||
+ outl(reg, 0xcfc);
|
||||
+#ifdef _ROUTER_
|
||||
+ outl(0x80003848, 0xcf8);
|
||||
+ reg = inl(0xcfc);
|
||||
+ reg |= 0x18040; // enable GPIO, PowerLED:15, WLAN_LED0:16, SwReset:6
|
||||
+ outl(reg, 0xcfc);
|
||||
+
|
||||
+ outl(0x8000384c, 0xcf8);
|
||||
+ reg = inl(0xcfc);
|
||||
+ reg |= 0x40; // output SwReset:6 1, Set SwReset as Input
|
||||
+ outl(reg, 0xcfc);
|
||||
+#endif
|
||||
+ // sam debug
|
||||
+ //reg = inl(0xcfc);
|
||||
+ //printk(KERN_ERR "REG40:%08X\n", reg);
|
||||
+ // end sam
|
||||
+ outl(0x80003844, 0xcf8);
|
||||
+ outl(0x00800080, 0xcfc); // enable watchdog and set the timeout = 1.34s
|
||||
+
|
||||
+ watchdog.function = watchdog_wrapper;
|
||||
+ watchdog.data = WATCHDOG_PERIOD;
|
||||
+ init_timer(&watchdog);
|
||||
+ watchdog.expires = jiffies + (WATCHDOG_PERIOD * HZ / 1000);
|
||||
+ add_timer(&watchdog);
|
||||
+ init_status |= INIT_WATCHDOG_REGISTER;
|
||||
+
|
||||
+ // end sam
|
||||
+ //------ read proc -------------------
|
||||
+ if ( !create_proc_read_entry("driver/led", 0, 0, led_read_proc, NULL) ) {
|
||||
+ printk(KERN_ERR "led: can't create /proc/driver/led\n");
|
||||
+ led_exit();
|
||||
+ return -ENOMEM;
|
||||
+ }
|
||||
+ init_status |= INIT_LED_PROC_READ;
|
||||
+ //------------------------------
|
||||
+// reg_addr = (unsigned long *)0xB4000000;
|
||||
+// dump_len = 4;
|
||||
+
|
||||
+ for ( id = 0 ; id < LED_DEV_NUM ; id++ ) {
|
||||
+ strcpy(led_data[id].sts_buf, "LED ON\n" );
|
||||
+ set_led_status_by_str(id);
|
||||
+ }
|
||||
+
|
||||
+// for (i = 0; i < 0xffff; i++)
|
||||
+// for (j = 0; j < 0x6000; j++);
|
||||
+
|
||||
+/* sam 5-18-2005 remark
|
||||
+ for ( id = 0 ; id < LED_DEV_NUM ; id++ ) {
|
||||
+ strcpy(led_data[id].sts_buf, "LED ON\n" );
|
||||
+ set_led_status_by_str(id);
|
||||
+ }
|
||||
+*/
|
||||
+ printk(KERN_INFO "LED & GPIO & LAN Status Driver LED_VERSION \n");
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+module_init(led_init);
|
||||
+module_exit(led_exit);
|
||||
+EXPORT_NO_SYMBOLS;
|
||||
diff -urN linux-2.6.19/arch/i386/mach-rdc/led.h linux-2.6.19.new/arch/i386/mach-rdc/led.h
|
||||
--- linux-2.6.19/arch/i386/mach-rdc/led.h 1970-01-01 01:00:00.000000000 +0100
|
||||
+++ linux-2.6.19.new/arch/i386/mach-rdc/led.h 2006-12-17 17:13:33.000000000 +0100
|
||||
@@ -0,0 +1,32 @@
|
||||
+#ifndef _LED_H_INCLUDED
|
||||
+#define _LED_H_INCLUDED
|
||||
+
|
||||
+#include <linux/autoconf.h>
|
||||
+
|
||||
+#define LED_VERSION "v1.0"
|
||||
+#define LED_MAJOR 166
|
||||
+#define LED_DEV_NUM 32
|
||||
+#define LED_GPIO_START 1
|
||||
+#define GPIO_MAJOR 167
|
||||
+#define GPIO_DEV_NUM 32
|
||||
+#define REG_MINOR 128
|
||||
+// sam 1-30-2004 for LAN_STATUS
|
||||
+#define LAN_STATUS_MAJOR 168
|
||||
+#define LAN_DEV_NUM 5
|
||||
+// end sam
|
||||
+
|
||||
+//#define GPIO_IO_BASE 0xB4002480
|
||||
+//#define GPIO_IO_BASE ((unsigned long)0xb20000b8)
|
||||
+//#define GPIO_IO_EXTENT 0x40
|
||||
+
|
||||
+#define LED_ON 0x010000
|
||||
+#define LED_OFF 0x020000
|
||||
+#define LED_BLINK_CMD 0x030000
|
||||
+#define LED_BLINK_PERIOD 0x00FFFF
|
||||
+#define LED_BLINK (LED_BLINK_CMD|1000)
|
||||
+#define LED_BLINK_FAST (LED_BLINK_CMD|250)
|
||||
+#define LED_BLINK_SLOW (LED_BLINK_CMD|500)
|
||||
+#define LED_BLINK_EXTRA_SLOW (LED_BLINK_CMD|2000)
|
||||
+#define LED_BLINK_RANDOM (LED_BLINK_CMD|0xffff)
|
||||
+
|
||||
+#endif
|
||||
+obj-$(CONFIG_X86_RDC) := gpio.o platform.o
|
||||
|
||||
Loading…
Reference in New Issue
Block a user