Add generic gpio support to rdc, convert the led driver to be a platform driver, need to convert the flash driver as well

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8348 3c298f89-4303-0410-b956-a3cf2f4a3e73

8 files changed, 261 insertions, 845 deletions

diff --git a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c
new file mode 100644
index 0000000000..eadb15235e
--- /dev/null
+++ b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 2007, OpenWrt.org, Florian Fainelli <florian@openwrt.org>
+ *  	RDC321x architecture specific GPIO support
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+
+#define RDC3210_CFGREG_ADDR     0x0CF8
+#define RDC3210_CFGREG_DATA     0x0CFC
+
+static unsigned int rdc_gpio_read(unsigned gpio)
+{
+	unsigned int val;
+
+	val = 0x80000000 | (7 << 11) | ((0x48));
+        outl(val, RDC3210_CFGREG_ADDR);
+        udelay(10);
+        val = inl(RDC3210_CFGREG_DATA);
+        val |= (0x1 << gpio);
+        outl(val, RDC3210_CFGREG_DATA);
+        udelay(10);
+        val = 0x80000000 | (7 << 11) | ((0x4C));
+        outl(val, RDC3210_CFGREG_ADDR);
+        udelay(10);
+        val = inl(RDC3210_CFGREG_DATA);
+
+	return val;
+}
+
+void rdc_gpio_write(unsigned int val)
+{
+	if (val) {
+		outl(val, RDC3210_CFGREG_DATA);
+		udelay(10);
+	}
+}
+
+int rdc_gpio_get_value(unsigned gpio)
+{
+	return ((int)rdc_gpio_read(gpio));
+}
+EXPORT_SYMBOL(rdc_gpio_get_value);
+
+void rdc_gpio_set_value(unsigned gpio, int value)
+{
+	unsigned int val;
+
+	val = rdc_gpio_read(gpio);
+
+	if (value)
+		val &= ~(0x1 << gpio);
+	else
+		val |= (0x1 << gpio);
+
+	rdc_gpio_write(val);
+}
+EXPORT_SYMBOL(rdc_gpio_set_value);
+
+int rdc_gpio_direction_input(unsigned gpio)
+{
+	return 0;
+}
+EXPORT_SYMBOL(rdc_gpio_direction_input);
+
+int rdc_gpio_direction_output(unsigned gpio, int value)
+{
+	return 0;
+}
+EXPORT_SYMBOL(rdc_gpio_direction_output);
+
+
diff --git a/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c
new file mode 100644
index 0000000000..aa245a052b
--- /dev/null
+++ b/target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c
@@ -0,0 +1,73 @@
+/*
+ *  $Id: platform.c 8331 2007-08-03 15:59:23Z florian $
+ *
+ *  Generic RDC321x platform devices
+ *
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the
+ *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+
+#include <asm/gpio.h>
+#include <asm/mach-rdc/rdc321x_defs.h>
+
+/* FIXME : Flash */
+static struct resource rdc_flash_resource[] = {
+	[0] = {
+		.start = RDC_FLASH_BASE,
+		.end = RDC_FLASH_BASE+CONFIG_MTD_RDC3210_SIZE-1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device rdc_flash_device = {
+	.name = "rdc321x-flash",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(rdc_flash_resource),
+	.resource = rdc_flash_resource,
+};
+
+/* LEDS */
+static struct platform_device rdc321x_leds = {
+	.name = "rdc321x-leds",
+	.id = -1,
+	.num_resources = 0,
+};
+
+static int __init rdc_board_setup(void)
+{
+	int err;
+
+	err = platform_device_register(&rdc_flash_device);
+	if (err)
+		printk(KERN_ALERT "rdc321x: failed to register flash\n");
+
+	err = platform_device_register(&rdc321x_leds);
+	if (err)
+		printk(KERN_ALERT "rdc321x: failed to register LEDS\n");
+
+	return err; 
+}
+
+arch_initcall(rdc_board_setup);
diff --git a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c
index b98b43a5b5..b45a10e0a6 100644
--- a/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c
+++ b/target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c
@@ -10,100 +10,67 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/err.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
+#include <asm/gpio.h>
 
-#define LED_VAL	0x8000384C    // the data ofset of gpio 0~30
+int gpio;
+module_param(gpio, int, 0444);
+MODULE_PARM_DESC(gpio, " GPIO line");
 
-static struct platform_device *pdev;
-
-static void rdc3211_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
+static void rdc321x_led_set(struct led_classdev *led_cdev, enum led_brightness brightness)
 {
-	unsigned long ul_ledstat = 0xffffffff;
-	unsigned long led_bit = 1 << (led_cdev->flags);
-
-	if (brightness)
-		ul_ledstat &= ~led_bit;
-	else
-		ul_ledstat|=  led_bit;
-
-	outl(LED_VAL, 0xcf8);
-	outl(ul_ledstat, 0xcfc);
+	gpio_set_value(gpio, brightness ? 1 : 0);
 }
 
-static struct led_classdev rdc3211_power_led = {
-	.name = "rdc3211:power",
-	.flags = 15,
-	.brightness_set = rdc3211_led_set,
+static struct led_classdev rdc321x_dmz_led = {
+	.name = "rdc321x:dmz",
+	.brightness_set = rdc321x_led_set,
 };
 
-static struct led_classdev rdc3211_dmz_led = {
-	.name = "rdc3211:dmz",
-	.flags = 16,
-	.brightness_set = rdc3211_led_set,
-};
-
-static int rdc3211_leds_probe(struct platform_device *pdev)
+static int rdc321x_leds_probe(struct platform_device *pdev)
 {
-	int ret;
-
-	ret = led_classdev_register(&pdev->dev, &rdc3211_power_led);
-	if (ret < 0)
-		return ret;
-
-	ret = led_classdev_register(&pdev->dev, &rdc3211_dmz_led);
-	if (ret < 0)
-		led_classdev_unregister(&rdc3211_power_led);
-
-	return ret;
+	return led_classdev_register(&pdev->dev, &rdc321x_dmz_led);
 }
 
-static int rdc3211_leds_remove(struct platform_device *pdev)
+static int rdc321x_leds_remove(struct platform_device *pdev)
 {
-	led_classdev_unregister(&rdc3211_power_led);
-	led_classdev_unregister(&rdc3211_dmz_led);
+	led_classdev_unregister(&rdc321x_dmz_led);
 	return 0;
 }
 
-static struct platform_driver rdc3211_leds_driver = {
-	.probe = rdc3211_leds_probe,
-	.remove = rdc3211_leds_remove,
+static struct platform_driver rdc321x_leds_driver = {
+	.probe = rdc321x_leds_probe,
+	.remove = rdc321x_leds_remove,
 	.driver = {
-		.name = "rdc3211-leds",
+		.name = "rdc321x-leds",
+		.owner = THIS_MODULE,
 	}
 };
 
-static int __init rdc3211_leds_init(void)
+static int __init rdc321x_leds_init(void)
 {
 	int ret;
 
-	ret = platform_driver_register(&rdc3211_leds_driver);
-	if (ret < 0)
-		goto out;
-
-	pdev = platform_device_register_simple("rdc3211-leds", -1, NULL, 0);
-	if (IS_ERR(pdev)) {
-		ret = PTR_ERR(pdev);
-		platform_driver_unregister(&rdc3211_leds_driver);
-		goto out;
-	}
+	ret = platform_driver_register(&rdc321x_leds_driver);
 
-out:
 	return ret;
 }
 		
-static void __exit rdc3211_leds_exit(void)
+static void __exit rdc321x_leds_exit(void)
 {
-	platform_driver_unregister(&rdc3211_leds_driver);
+	platform_driver_unregister(&rdc321x_leds_driver);
 }
 
-module_init(rdc3211_leds_init);
-module_exit(rdc3211_leds_exit);
+module_init(rdc321x_leds_init);
+module_exit(rdc321x_leds_exit);
 		
 MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
-MODULE_DESCRIPTION("RDC3211 LED driver");
+MODULE_DESCRIPTION("RDC321x LED driver");
 MODULE_LICENSE("GPL");
diff --git a/target/linux/rdc-2.6/files/include/asm-i386/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/gpio.h
new file mode 100644
index 0000000000..ff87fca0ca
--- /dev/null
+++ b/target/linux/rdc-2.6/files/include/asm-i386/gpio.h
@@ -0,0 +1,6 @@
+#ifndef _ASM_I386_GPIO_H
+#define _ASM_I386_GPIO_H
+
+#include <gpio.h>
+
+#endif /* _ASM_I386_GPIO_H */
diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h
new file mode 100644
index 0000000000..5305dcb96d
--- /dev/null
+++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h
@@ -0,0 +1,15 @@
+#ifndef __ASM_MACH_GENERIC_GPIO_H
+#define __ASM_MACH_GENERIC_GPIO_H
+
+int gpio_request(unsigned gpio, const char *label);
+void gpio_free(unsigned gpio);
+int gpio_direction_input(unsigned gpio);
+int gpio_direction_output(unsigned gpio, int value);
+int gpio_get_value(unsigned gpio);
+void gpio_set_value(unsigned gpio, int value);
+int gpio_to_irq(unsigned gpio);
+int irq_to_gpio(unsigned irq);
+
+#include <asm-generic/gpio.h>           /* cansleep wrappers */
+
+#endif /* __ASM_MACH_GENERIC_GPIO_H */
diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h
new file mode 100644
index 0000000000..2368bd7583
--- /dev/null
+++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h
@@ -0,0 +1,56 @@
+#ifndef _RDC_GPIO_H
+#define _RDC_GPIO_H
+
+extern int rdc_gpio_get_value(unsigned gpio);
+extern void rdc_gpio_set_value(unsigned gpio, int value);
+extern int rdc_gpio_direction_input(unsigned gpio);
+extern int rdc_gpio_direction_output(unsigned gpio, int value);
+
+
+/* Wrappers for the arch-neutral GPIO API */
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+        /* Not yet implemented */
+        return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+        /* Not yet implemented */
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+        return rdc_gpio_direction_input(gpio);
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+        return rdc_gpio_direction_output(gpio, value);
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+        return rdc_gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+        rdc_gpio_set_value(gpio, value);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+        return gpio;
+}
+
+static inline int irq_to_gpio(unsigned irq)
+{
+        return irq;
+}
+
+/* For cansleep */
+#include <asm-generic/gpio.h>
+
+#endif /* _RDC_GPIO_H_ */
diff --git a/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h
new file mode 100644
index 0000000000..c8e6355bce
--- /dev/null
+++ b/target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h
@@ -0,0 +1 @@
+#define RDC_FLASH_BASE		0xffc00000
diff --git a/target/linux/rdc-2.6/patches/000-rdc_fixes.patch b/target/linux/rdc-2.6/patches/000-rdc_fixes.patch
index 148fc482b4..1f0ac2144a 100644
--- a/target/linux/rdc-2.6/patches/000-rdc_fixes.patch
+++ b/target/linux/rdc-2.6/patches/000-rdc_fixes.patch
@@ -24,7 +24,7 @@ diff -urN linux-2.6.19/arch/i386/Makefile linux-2.6.19.new/arch/i386/Makefile
  mcore-$(CONFIG_X86_ES7000)	:= mach-default
  core-$(CONFIG_X86_ES7000)	:= arch/i386/mach-es7000/
 +# RDC subarch support
-+mflags-$(CONFIG_X86_RDC)	:= -Iinclude/asm-i386/mach-generic
++mflags-$(CONFIG_X86_RDC)	:= -Iinclude/asm-i386/mach-rdc
 +mcore-$(CONFIG_X86_RDC)		:= mach-default
 +core-$(CONFIG_X86_RDC)		+= arch/i386/mach-rdc/
  
@@ -38,787 +38,4 @@ diff -urN linux-2.6.19/arch/i386/mach-rdc/Makefile linux-2.6.19.new/arch/i386/ma
 +# Makefile for the linux kernel.
 +#
 +
-+obj-$(CONFIG_X86_RDC)        := led.o
-diff -urN linux-2.6.19/arch/i386/mach-rdc/led.c linux-2.6.19.new/arch/i386/mach-rdc/led.c
---- linux-2.6.19/arch/i386/mach-rdc/led.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux-2.6.19.new/arch/i386/mach-rdc/led.c	2006-12-17 17:13:33.000000000 +0100
-@@ -0,0 +1,743 @@
-+/*
-+ * LED interface for WP3200
-+ *
-+ * Copyright (C) 2002, by Allen Hung
-+ *
-+ */
-+
-+#include <linux/types.h>
-+#include <linux/errno.h>
-+#include <linux/ioport.h>
-+#include <linux/fcntl.h>
-+#include <linux/sched.h>
-+#include <linux/module.h>
-+#include <linux/proc_fs.h>
-+#include <linux/init.h>
-+#include <linux/timer.h>
-+#include <asm/io.h>
-+#include <asm/uaccess.h>
-+#include <asm/system.h>                       
-+#include <linux/reboot.h>
-+
-+#include "led.h"
-+
-+#define BUF_LEN		30
-+
-+struct LED_DATA  {
-+    char sts_buf[BUF_LEN+1];
-+    unsigned long sts;
-+};
-+
-+struct LED_DATA led_data[LED_DEV_NUM];
-+// sam 
-+unsigned long ul_ledstat = 0xffffffff;
-+
-+
-+static struct timer_list blink_timer[LED_DEV_NUM];
-+// sam 01-30-2004 for watchdog
-+static struct timer_list watchdog;
-+// end sam
-+static char cmd_buf[BUF_LEN+1];
-+
-+//------------------------------------------------------------
-+static long atoh(char *p) 
-+{
-+    long v = 0, c;
-+    while ( (c = *p++) )  {
-+        if      ( c >= '0' && c <= '9' )  v = (v << 4) + c - '0';
-+        else if ( c >= 'a' && c <= 'f' )  v = (v << 4) + c - 'a' + 0xA;
-+        else if ( c >= 'A' && c <= 'F' )  v = (v << 4) + c - 'A' + 0xA;
-+        else  break;
-+    }
-+    return v;
-+}
-+
-+static int reset_flash_default(void *data)
-+{
-+	char *argv[3], *envp[1] = {NULL};
-+	int i = 0;
-+	
-+	int reset_default=(int) data;
-+
-+	argv[i++] = "/bin/flash";
-+    argv[i++] = "default";
-+	argv[i] = NULL;
-+    if(reset_default)
-+		if (call_usermodehelper(argv[0], argv, envp, 1))
-+        	printk("failed to Reset to default\n");
-+	machine_restart(0);
-+	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