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authorFlorian Fainelli <florian@openwrt.org>2007-08-06 14:15:57 +0000
committerFlorian Fainelli <florian@openwrt.org>2007-08-06 14:15:57 +0000
commitca7294b98645f0d2345178e249c17f8be342859b (patch)
treee8f36d80ae6e8e0b5fb3d3c2ed1e40295beedba1 /target/linux
parent9474a045bfd8515a2d7180c9d0c779e735ab2bf4 (diff)
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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
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/rdc-2.6/files/arch/i386/mach-rdc/gpio.c81
-rw-r--r--target/linux/rdc-2.6/files/arch/i386/mach-rdc/platform.c73
-rw-r--r--target/linux/rdc-2.6/files/drivers/leds/leds-rdc3211.c87
-rw-r--r--target/linux/rdc-2.6/files/include/asm-i386/gpio.h6
-rw-r--r--target/linux/rdc-2.6/files/include/asm-i386/mach-generic/gpio.h15
-rw-r--r--target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/gpio.h56
-rw-r--r--target/linux/rdc-2.6/files/include/asm-i386/mach-rdc/rdc321x_defs.h1
-rw-r--r--target/linux/rdc-2.6/patches/000-rdc_fixes.patch787
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 0000000..eadb152
--- /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 0000000..aa245a0
--- /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 b98b43a..b45a10e 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 0000000..ff87fca
--- /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 0000000..5305dcb
--- /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 0000000..2368bd7
--- /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 0000000..c8e6355
--- /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 148fc48..1f0ac21 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