path: root/target/linux/rdc-2.6/patches/000-rdc_fixes.patch

diff -urN linux-2.6.17/arch/i386/Kconfig linux-2.6.17.new/arch/i386/Kconfig
--- linux-2.6.17/arch/i386/Kconfig	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17.new/arch/i386/Kconfig	2006-10-07 22:33:09.000000000 +0200
@@ -167,6 +167,14 @@
 	  Only choose this option if you have such a system, otherwise you
 	  should say N here.
 
+config X86_RDC
+	bool "Support for RDC 3211 boards"
+	help
+	  Support for RDC 3211 sustems. Say 'Y' here if ther kernel is 
+	  supposed to run on an IA-32 RDC R3211 system.
+	  Only choose this option if you have such as system, otherwise you
+	  should say N here.
+
 endchoice
 
 config ACPI_SRAT
diff -urN linux-2.6.17/arch/i386/kernel/time.c linux-2.6.17.new/arch/i386/kernel/time.c
--- linux-2.6.17/arch/i386/kernel/time.c	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17.new/arch/i386/kernel/time.c	2006-10-07 22:23:05.000000000 +0200
@@ -479,7 +479,8 @@
 		return;
 	}
 #endif
-	xtime.tv_sec = get_cmos_time();
+	/* RDC board does not have CMOS */
+	xtime.tv_sec = 0;
 	xtime.tv_nsec = (INITIAL_JIFFIES % HZ) * (NSEC_PER_SEC / HZ);
 	set_normalized_timespec(&wall_to_monotonic,
 		-xtime.tv_sec, -xtime.tv_nsec);
diff -urN linux-2.6.17/arch/i386/mach-rdc/led.c linux-2.6.17.new/arch/i386/mach-rdc/led.c
--- linux-2.6.17/arch/i386/mach-rdc/led.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.17.new/arch/i386/mach-rdc/led.c	2006-10-07 23:55:59.000000000 +0200
@@ -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-2.6.17/arch/i386/mach-rdc/led.h linux-2.6.17.new/arch/i386/mach-rdc/led.h
--- linux-2.6.17/arch/i386/mach-rdc/led.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.17.new/arch/i386/mach-rdc/led.h	2006-10-07 22:28:32.000000000 +0200
@@ -0,0 +1,32 @@
+#ifndef _LED_H_INCLUDED
+#define _LED_H_INCLUDED
+
+#include <linux/config.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
diff -urN linux-2.6.17/arch/i386/mach-rdc/Makefile linux-2.6.17.new/arch/i386/mach-rdc/Makefile
--- linux-2.6.17/arch/i386/mach-rdc/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.17.new/arch/i386/mach-rdc/Makefile	2006-10-07 22:31:19.000000000 +0200
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-$(CONFIG_X86_RDC)        := led.o
diff -urN linux-2.6.17/arch/i386/Makefile linux-2.6.17.new/arch/i386/Makefile
--- linux-2.6.17/arch/i386/Makefile	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.17.new/arch/i386/Makefile	2006-10-07 23:56:13.000000000 +0200
@@ -80,6 +80,10 @@
 mflags-$(CONFIG_X86_ES7000)	:= -Iinclude/asm-i386/mach-es7000
 mcore-$(CONFIG_X86_ES7000)	:= mach-default
 core-$(CONFIG_X86_ES7000)	:= arch/i386/mach-es7000/
+# RDC subarch support
+mflags-$(CONFIG_X86_RDC)	:= -Iinclude/asm-i386/mach-generic
+mcore-$(CONFIG_X86_RDC)		:= mach-default
+core-$(CONFIG_X86_RDC)		:= arch/i386/mach-rdc/
 
 # default subarch .h files
 mflags-y += -Iinclude/asm-i386/mach-default