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|
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/Makefile test3/arch/arm/mach-ixp4xx/Makefile
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/Makefile 2005-09-17 12:42:02.000000000 +0200
+++ test3/arch/arm/mach-ixp4xx/Makefile 2005-09-24 13:21:35.000000000 +0200
@@ -8,4 +8,5 @@
obj-$(CONFIG_MACH_IXDPG425) += ixdpg425-pci.o coyote-setup.o
obj-$(CONFIG_ARCH_ADI_COYOTE) += coyote-pci.o coyote-setup.o
obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-pci.o gtwx5715-setup.o
+obj-$(CONFIG_MACH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-part.o nslu2-io.o nslu2-rtc.o
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-io.c test3/arch/arm/mach-ixp4xx/nslu2-io.c
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-io.c 1970-01-01 01:00:00.000000000 +0100
+++ test3/arch/arm/mach-ixp4xx/nslu2-io.c 2005-09-24 15:44:08.000000000 +0200
@@ -0,0 +1,696 @@
+//=============================================================================
+//
+// n2-io.c version 0.1.7
+// Author: Karen Spearel <kas11 at tampabay.rr.com>
+// please report problems/bugs directly to the address above
+//
+// Boilerplate to be added "real soon now"...it is and has always been GPL'ed per
+// MODULE_LICENSE but is offered without warrantee of any sort..use at your own risk
+//
+// NOTE: THIS IS INCOMPLETE. INCLUDED ONLY TO KEEP FROM BREAKING THE BUILD,
+// IT BEEPS AND SENDS A MESSAGE TO /proc/poweroff. EVENTUALLY IT
+// WILL TALK TO THE n2_pbd DAEMON. EVENTUALLY THE LED DRIVER
+// WILL TALK TO SOME USERLAND APP BUT ***NOT*** SET_LEDS.
+//
+//=============================================================================
+// GPIO Function State
+// 0 Red LED Status
+// 1 Green LED Ready = 1
+// 2 Disk 2 LED On = 0
+// 3 Disk 1 LED On = 0
+// 4 Buzzer
+// 5 Power Button Pressed = 1
+// 8 Power Down Output = 1 powers down NSLU2
+// 12 Reset Pressed = 0
+
+#include <linux/config.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/utsname.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/string.h>
+#include <linux/proc_fs.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/reboot.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/hardware.h>
+#include <asm-arm/irq.h>
+#include <asm-arm/delay.h>
+#include <asm-arm/signal.h>
+
+/* Set this to 1 to output lots of debug messages. */
+#define NSLU2_IO_DEBUG 0
+
+#if NSLU2_IO_DEBUG
+#define nslu2_io_debug(args) printk args
+#else
+#define nslu2_io_debug(args) ((void)0)
+#endif
+
+#define VERSION "0.1.7"
+
+#define NSLU2RB_MAJOR 60 //rbuttons
+#define NSLU2PB_MAJOR 61 //pbuttons
+#define NSLU2BZ_MAJOR 62 //buzzer
+#define NSLU2LM_MAJOR 126
+
+#define NSLU2_BEEP_DUR_LONG 2000
+#define NSLU2_BEEP_DUR_MED 400
+#define NSLU2_BEEP_DUR_SHORT 100
+#define NSLU2_BEEP_PITCH_HIGH 250
+#define NSLU2_BEEP_PITCH_MED 500
+#define NSLU2_BEEP_PITCH_LOW 1000
+#define NSLU2_LONG_DELAY 30000
+
+#define NSLU2_BZ_GPIO 4
+#define NSLU2_PB_GPIO 5
+#define NSLU2_PO_GPIO 8 //power off
+#define NSLU2_RB_GPIO 12
+
+#define NSLU2_PB_IRQ 22 //gpio5
+#define NSLU2_RB_IRQ 29 //gpio12
+
+#define GPIO_BZ_BM 0x0010 //b0000 0000 0001 0000
+#define GPIO_PB_BM 0x0020 //b0000 0000 0010 0000
+#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000
+#define GPIO_RB_BM 0x1000 //b0001 0000 0000 0000
+
+#define RB_DELAY 50
+#define PB_DELAY 20
+
+#define PWR_OFF_STR "poweroff"
+
+
+// ioctls -- 'M" is used for sound cards...we don't got one so it seems safe
+
+#define NSLU2BZ_BEEP_STOP _IO('M',0) //stop multi-beep at end of audible
+#define NSLU2BZ_BEEP _IO('M',1) //one beep at current defaults
+#define NSLU2BZ_BEEPS _IOW('M',3,long) //param beeps at current defaults
+#define NSLU2BZ_TONESET _IOW('M',4,long) //set tone: range is high=250 to low=2000
+#define NSLU2BZ_ONTIME _IOW('M',5,long) //ontime for multi-beeps in jiffies
+#define NSLU2BZ_SILENTTIME _IOW('M',6,long) //offtime for multi-beeps in jiffies
+#define NSLU2BZ_REPEATCNT _IOW('M',7,long) //number of repeats for multi-beeps 0 = forever
+#define NSLU2BZ_COMBINED _IOW('M',8,long) //combine all params in a long
+
+#define NSLU2LM_OFF _IOW('M',32,long)
+#define NSLU2LM_ON _IOW('M',33,long)
+#define NSLU2LM_BLINK _IOW('M',34,long)
+#define NSLU2LM_ALT _IOW('M',35,long)
+#define NSLU2LM_ALL_ON _IO('M',36)
+#define NSLU2LM_ALL_OFF _IO('M',37)
+
+#define PHYS_LEDS 4
+#define BLINK_DELAY 25
+
+// OR Masks to turn these LEDs ON
+
+#define RS_RED_ON 0x00000001 //0b0000 0000 0000 0010
+#define RS_GRN_ON 0x00000002 //0b0000 0000 0000 0001
+#define RS_YEL_ON 0x00000003 //0b0000 0000 0000 0011
+
+// AND Masks to turn these LEDs OFF
+
+#define RS_RED_OFF 0xfffffffe //0b1111 1111 1111 1101
+#define RS_GRN_OFF 0xfffffffd //0b1111 1111 1111 1110
+#define RS_YEL_OFF 0xfffffffc //0b1111 1111 1111 1100
+
+// AND Masks to turn these LEDs ON
+
+#define DISK1_ON 0xfffffff7 //0b1111 1111 1111 0111
+#define DISK2_ON 0xfffffffb //0b1111 1111 1111 1011
+
+// Or Masks to turn these LEDs OFF
+
+#define DISK1_OFF 0x00000008 //0b0000 0000 0000 1000
+#define DISK2_OFF 0x00000004 //0b0000 0000 0000 0100
+
+// EOR masks for toggling LEDs on/off
+
+#define RS_RG_ALT 0x00000003 //eor mask to toggle rs rg bits
+#define RS_GRN_TGL 0x00000002
+#define RS_RED_TGL 0x00000001
+#define DISK1_TGL 0x00000008
+#define DISK2_TGL 0x00000004
+
+// The LED names for switches
+
+#define LED_RS_RED 0
+#define LED_RS_GRN 1
+#define LED_DISK1 2
+#define LED_DISK2 3
+#define LED_ALL 4
+
+static int nslu2_shutdown_in_progress = 0;
+
+static unsigned long init_jiffy = 0; /* jiffies at init time */
+static unsigned long ontime = 50;
+static unsigned long offtime = 450;
+static unsigned long bz_repeatcnt = 10;
+static unsigned long tone = 1000;
+
+DECLARE_WAIT_QUEUE_HEAD(n2rb_waitq);
+DECLARE_WAIT_QUEUE_HEAD(n2pb_waitq);
+
+static struct timer_list n2lm_rsg_timer; //rs green
+static struct timer_list n2lm_rsr_timer; //rs red
+static struct timer_list n2lm_d1_timer; //drive 1
+static struct timer_list n2lm_d2_timer; //drive 2
+static struct timer_list n2rb_timer;
+static struct timer_list n2pb_timer;
+static struct timer_list n2bz_timer; //beeper
+
+// sysfs class
+static struct class *n2lm_class;
+
+//==================================================================================================
+//
+// Blinking is handled entirely by the 4 timer handlers. On timeout, the bit in the
+// GPIO output register is xor'd with a mask corresponding to the selected led which simply
+// flips that bit. No record of what any of the other leds is doing is needed.
+//
+//==================================================================================================
+// this blinks rs green or green/yellow if rs red is on
+static void n2lm_rsg_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= RS_GRN_TGL; //flip the led
+ n2lm_rsg_timer.expires = jiffies + BLINK_DELAY; //next timeout
+ add_timer(&n2lm_rsg_timer); //reinit timer
+ return;
+}
+
+// this blinks or alternates rs red green... inited wit green on/red off
+static void n2lm_rsr_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= n2lm_rsr_timer.data;
+ n2lm_rsr_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_rsr_timer);
+ return;
+}
+// blinks disk 1
+static void n2lm_d1_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= DISK1_TGL;
+ n2lm_d1_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d1_timer);
+ return;
+}
+// blinks disk 2
+static void n2lm_d2_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= DISK2_TGL;
+ n2lm_d2_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d2_timer);
+ return;
+}
+
+//==================================================================================================
+
+static void n2lm_timer_start(unsigned long led)
+{
+
+ nslu2_io_debug((KERN_DEBUG "timer: %ld\n",led));
+
+ switch(led) {
+ case LED_RS_RED:
+ n2lm_rsr_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_rsr_timer);
+ break;
+
+ case LED_RS_GRN:
+ n2lm_rsg_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_rsg_timer);
+ break;
+
+ case LED_DISK1:
+ n2lm_d1_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d1_timer);
+ break;
+
+ case LED_DISK2:
+ n2lm_d2_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d2_timer);
+ break;
+
+ default:
+ break;
+ }
+ return;
+}
+
+//==================================================================================================
+
+static void n2lm_timer_stop(unsigned long led)
+{
+ switch (led) {
+ case LED_RS_RED:
+ del_timer(&n2lm_rsr_timer);
+ break;
+ case LED_RS_GRN:
+ del_timer(&n2lm_rsg_timer);
+ break;
+ case LED_DISK1:
+ del_timer(&n2lm_d1_timer);
+ break;
+ case LED_DISK2:
+ del_timer(&n2lm_d2_timer);
+ break;
+ default:
+ break;
+ }
+ return;
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_timer_stop_all(void)
+{
+ del_timer(&n2lm_rsg_timer);
+ del_timer(&n2lm_rsr_timer);
+ del_timer(&n2lm_d1_timer);
+ del_timer(&n2lm_d2_timer);
+ return;
+}
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_ledon(unsigned long led)
+{
+
+ nslu2_io_debug((KERN_DEBUG "ledon: %ld\n", led));
+
+ switch (led) {
+ case LED_RS_RED:
+ *IXP4XX_GPIO_GPOUTR |= RS_RED_ON; //1
+ return;
+ case LED_RS_GRN:
+ *IXP4XX_GPIO_GPOUTR |= RS_GRN_ON; //2
+ return;
+ case LED_DISK1:
+ *IXP4XX_GPIO_GPOUTR &= DISK1_ON; //0xfffffff7
+ return;
+ case LED_DISK2:
+ *IXP4XX_GPIO_GPOUTR &= DISK2_ON; //0xfffffffb
+ return;
+ case LED_ALL: //all green
+ *IXP4XX_GPIO_GPOUTR |= RS_GRN_ON;
+ *IXP4XX_GPIO_GPOUTR &= (DISK1_ON & DISK2_ON);
+ return;
+ }
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_ledoff(unsigned long led)
+{
+
+ switch (led) {
+ case LED_RS_RED:
+ *IXP4XX_GPIO_GPOUTR &= RS_RED_OFF; //0xffffffffe
+ return;
+ case LED_RS_GRN:
+ *IXP4XX_GPIO_GPOUTR &= RS_GRN_OFF; //0xfffffffd
+ return;
+ case LED_DISK1:
+ *IXP4XX_GPIO_GPOUTR |= DISK1_OFF; //0x00000008
+ return;
+ case LED_DISK2:
+ *IXP4XX_GPIO_GPOUTR |= DISK2_OFF; //0x00000004
+ return;
+ case LED_ALL:
+ *IXP4XX_GPIO_GPOUTR &= (RS_GRN_OFF & RS_RED_OFF);
+ *IXP4XX_GPIO_GPOUTR |= (DISK1_OFF | DISK2_OFF);
+ }
+}
+
+//==================================================================================================
+
+static int n2lm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long led)
+{
+
+ nslu2_io_debug((KERN_DEBUG "cmd=%d, led=%ld\n", cmd, led));
+
+ if (led < 0 || led >= PHYS_LEDS)
+ return -EINVAL;
+
+ switch (cmd ) {
+ case NSLU2LM_ON:
+ n2lm_timer_stop(led);
+ n2lm_ledon(led);
+ break;
+
+ case NSLU2LM_OFF:
+ n2lm_timer_stop(led);
+ n2lm_ledoff(led);
+ break;
+
+ case NSLU2LM_BLINK:
+ n2lm_ledon(led);
+ if (led == LED_RS_RED)
+ n2lm_rsr_timer.data = RS_RED_TGL;
+ n2lm_timer_start(led);
+ break;
+
+ case NSLU2LM_ALT:
+ if (led == LED_RS_RED)
+ {
+ n2lm_ledon(LED_RS_GRN);
+ n2lm_ledoff(LED_RS_RED);
+ n2lm_rsr_timer.data = RS_RG_ALT;
+ n2lm_timer_start(LED_RS_RED);
+ break;
+ } else
+ return -EINVAL;
+
+ case NSLU2LM_ALL_ON:
+ n2lm_timer_stop_all();
+ n2lm_ledon(LED_ALL);
+ break;
+
+ case NSLU2LM_ALL_OFF:
+ n2lm_timer_stop_all();
+ n2lm_ledoff(LED_ALL);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct file_operations n2lm_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = n2lm_ioctl,
+};
+//==================================================================================================
+// We can't do anything fancy here since the system tick rate is far below that required to
+// generate a desirable tone. Therefore we haven't much choice but to use a busy loop until
+// I get up to speed on the timers. The saving grace is that for the normal uses, nothing
+// important should be haprepening.
+//==================================================================================================
+
+static void n2_buzz(int tone_delay, int duration)
+{
+ int i;
+
+ *IXP4XX_GPIO_GPOER &= ~GPIO_BZ_BM;
+
+ for (i = 1; i < duration; i++) {
+ *IXP4XX_GPIO_GPOUTR &= ~GPIO_BZ_BM;
+ udelay(tone_delay);
+ *IXP4XX_GPIO_GPOUTR |= GPIO_BZ_BM;
+ udelay(tone_delay);
+ }
+ *IXP4XX_GPIO_GPOER |= GPIO_BZ_BM;
+
+ return;
+}
+//=================================================================================================
+
+// this handles the buzzer duty cycle
+static void n2bz_handler(unsigned long data)
+{
+ if (--bz_repeatcnt > 0) { //if just one beep left to do
+ n2bz_timer.expires = jiffies + ontime + offtime; //next timeout
+ add_timer(&n2bz_timer); //reinit timer
+ }
+ n2_buzz(tone/2, ontime);
+ nslu2_io_debug((KERN_DEBUG "Count = %d\tOntime = %d\n", bz_repeatcnt, ontime));
+ return;
+}
+
+//==================================================================================================
+
+static int n2bz_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long param)
+{
+ switch (cmd) {
+ case NSLU2BZ_BEEP:
+ n2_buzz(tone/2, ontime);
+ break;
+
+ case NSLU2BZ_BEEP_STOP:
+ del_timer(&n2bz_timer);
+ break;
+
+ case NSLU2BZ_BEEPS:
+ if (param == 0)
+ bz_repeatcnt = 0xffffffff;
+ else
+ bz_repeatcnt = param;
+ n2bz_handler(0);
+ break;
+
+ case NSLU2BZ_TONESET:
+ if (param >= 250 && param <= 2000)
+ tone = param;
+ break;
+
+ case NSLU2BZ_ONTIME:
+ if (param > 4 && param < 201)
+ ontime = param;
+ break;
+
+ case NSLU2BZ_SILENTTIME:
+ if (param > ontime) //enforce a reasonable duty cycle
+ offtime = param;
+ else
+ offtime = ontime;
+ break;
+
+ case NSLU2BZ_REPEATCNT:
+ if (param == 0)
+ bz_repeatcnt = 0xffffffff;
+ else
+ bz_repeatcnt = param;
+ break;
+
+ case NSLU2BZ_COMBINED:
+ bz_repeatcnt = (param & 0xF0000000) >> 28; //repeat 1 - 16
+ ontime = (param & 0x0FF00000) >> 20; //ontime 1 - 256 jiffies
+ offtime = (param & 0x000FFF00) >> 8; //offtime 1 - 4095 jiffies
+ tone = (param & 0x000000FF) << 4; //tone (1 - 255) * 16
+ break;
+
+ default:
+ break;
+ }
+ return 0;
+}
+
+static struct file_operations n2bz_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = n2bz_ioctl,
+};
+
+//==================================================================================================
+
+static irqreturn_t n2pb_handler (int irq, void *dev_id, struct pt_regs *regs)
+{
+ void *ret;
+ if (!nslu2_shutdown_in_progress++) {
+ wake_up(&n2pb_waitq);
+ remove_proc_entry(PWR_OFF_STR, NULL); //no parent
+ n2_buzz(NSLU2_BEEP_PITCH_HIGH, NSLU2_BEEP_DUR_SHORT); // Short, high-pitched "OK"
+ ret = create_proc_entry(PWR_OFF_STR, 0, NULL);
+ nslu2_io_debug((KERN_DEBUG "Powerbutton pressed. Shutting down. cpe ret = %p\n", ret));
+ kill_proc(1,SIGINT,1); // Signal init to shut down
+ } else {
+ n2_buzz(NSLU2_BEEP_PITCH_LOW, NSLU2_BEEP_DUR_MED); // Make a scary noise!
+ nslu2_io_debug((KERN_DEBUG "Powerbutton pressed while already in shutdown")); // Whine!
+ }
+ return IRQ_HANDLED;
+}
+
+struct testr {
+ int ctl;
+ long param;
+};
+
+static irqreturn_t n2rb_handler (int irq, void *dev_id, struct pt_regs *regs)
+{
+// This doesn't reset the NSLU2. It powers it off. Close enough, since reset is unreliable
+
+ wake_up(&n2rb_waitq);
+ machine_power_off();
+ return IRQ_HANDLED; // So we don't get a nobody cared error :-P
+}
+
+//==================================================================================================
+// What to do here is majorly undetermined...
+
+static int n2rb_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos)
+{
+ printk(KERN_DEBUG "Reset Button Wait\n");
+ interruptible_sleep_on(&n2rb_waitq);
+ return copy_to_user(buffer, "reset", 5) ? -EFAULT : 5;
+
+}
+
+//==================================================================================================
+// What to do here is majorly undetermined...
+
+static int n2pb_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos)
+{
+ printk(KERN_DEBUG "Power Button Wait\n");
+ interruptible_sleep_on(&n2pb_waitq);
+ return copy_to_user(buffer, "poweroff", 8) ? -EFAULT : 8;
+
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static struct file_operations n2rb_fops = {
+ .owner = THIS_MODULE,
+ .read = n2rb_read,
+};
+
+//--------------------------------------------------------------------------------------------------
+
+static struct file_operations n2pb_fops = {
+ .owner = THIS_MODULE,
+ .read = n2pb_read,
+};
+
+//==================================================================================================
+
+static void n2iom_initarch(void)
+{
+ printk(KERN_DEBUG "setup_interrupts - jiffies=%ld init_jiffy=%ld\n", jiffies, init_jiffy);
+
+ *IXP4XX_GPIO_GPISR = 0x20400000; // read the 2 irqs to clr
+ set_irq_type(NSLU2_RB_IRQ, IRQT_LOW);
+ set_irq_type(NSLU2_PB_IRQ, IRQT_HIGH);
+
+ gpio_line_isr_clear(NSLU2_RB_GPIO);
+ gpio_line_isr_clear(NSLU2_PB_GPIO);
+
+
+ init_timer(&n2lm_rsg_timer);
+ init_timer(&n2lm_rsr_timer);
+ init_timer(&n2lm_d1_timer);
+ init_timer(&n2lm_d2_timer);
+// init_timer(&n2rb_timer);
+// init_timer(&n2pb_timer);
+ init_timer(&n2bz_timer);
+
+ n2lm_rsr_timer.function = n2lm_rsr_handler;
+ n2lm_rsg_timer.function = n2lm_rsg_handler;
+ n2lm_d2_timer.function = n2lm_d2_handler;
+ n2lm_d1_timer.function = n2lm_d1_handler;
+ n2bz_timer.function = n2bz_handler;
+ n2lm_rsr_timer.data = n2lm_rsg_timer.data = n2lm_d1_timer.data = n2lm_d2_timer.data = n2bz_timer.data = 0;
+
+ *IXP4XX_GPIO_GPOER &= 0xfffffff0; //enable gpio 0-3
+ *IXP4XX_GPIO_GPOUTR |= 0x00000003; //turn off the leds
+ *IXP4XX_GPIO_GPOUTR &= 0xfffffffc;
+ n2lm_ledon(LED_ALL);
+ n2_buzz(NSLU2_BEEP_PITCH_MED, NSLU2_BEEP_DUR_SHORT);
+ n2lm_ledoff(LED_ALL);
+// Default the Ready/Status to Red during kernel boot, Turn Green at the end of sysvinit
+ n2lm_ledon(LED_RS_RED);
+
+ return;
+}
+
+//==================================================================================================
+
+static int __init n2iom_init(void)
+{
+ printk(KERN_INFO "NSLU2 I/O driver %s\n", VERSION);
+
+ init_jiffy = jiffies;
+ printk(KERN_DEBUG "init_jiffy=%ld\n",init_jiffy);
+ n2iom_initarch();
+
+ n2lm_class = class_create(THIS_MODULE, "nslu2");
+
+ if (register_chrdev(NSLU2RB_MAJOR, "n2_rbm", &n2pb_fops) < 0) {
+ printk(KERN_DEBUG "Reset Button Major %d not available\n", NSLU2RB_MAJOR);
+ return -EBUSY;
+ }
+ else {
+ class_device_create(n2lm_class, MKDEV(NSLU2RB_MAJOR, 0), NULL, "rbuttons");
+ }
+ if (register_chrdev(NSLU2PB_MAJOR, "n2_pbm", &n2rb_fops) < 0) {
+ printk(KERN_DEBUG "Power Button Major %d not available\n", NSLU2PB_MAJOR);
+ return -EBUSY;
+ }
+ else {
+ class_device_create(n2lm_class, MKDEV(NSLU2PB_MAJOR, 0), NULL, "pbuttons");
+ }
+ if (register_chrdev(NSLU2LM_MAJOR, "n2_ledm", &n2lm_fops) < 0) {
+ printk(KERN_DEBUG "Led Manager Major %d not available\n", NSLU2LM_MAJOR);
+ return -EBUSY;
+ }
+ else {
+ class_device_create(n2lm_class, MKDEV(NSLU2LM_MAJOR, 0), NULL, "leds");
+ }
+ if (register_chrdev(NSLU2BZ_MAJOR, "n2_bzm", &n2bz_fops) < 0) {
+ printk(KERN_DEBUG "Buzzer Major %d not available\n", NSLU2BZ_MAJOR);
+ return -EBUSY;
+ }
+ else {
+ class_device_create(n2lm_class, MKDEV(NSLU2BZ_MAJOR, 0), NULL, "buzzer");
+ }
+
+ if (request_irq(NSLU2_RB_IRQ, &n2rb_handler,
+ SA_INTERRUPT, "NSLU2 reset button", NULL) < 0) {
+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", NSLU2_RB_IRQ);
+ return -EIO;
+ }
+ if (request_irq(NSLU2_PB_IRQ, &n2pb_handler,
+ SA_INTERRUPT, "NSLU2 power button", NULL) < 0) {
+ printk(KERN_DEBUG "Power Button IRQ %d not available\n", NSLU2_PB_IRQ);
+ return -EIO;
+ }
+
+ enable_irq(NSLU2_PB_IRQ);
+ enable_irq(NSLU2_RB_IRQ);
+
+ return 0;
+}
+
+//==================================================================================================
+
+static void __exit n2iom_exit(void)
+{
+ remove_proc_entry(PWR_OFF_STR, NULL);
+ del_timer(&n2rb_timer);
+ free_irq(NSLU2_RB_IRQ,NULL);
+ unregister_chrdev(NSLU2PB_MAJOR, "n2pb");
+ class_device_destroy(n2lm_class, MKDEV(NSLU2PB_MAJOR, 0));
+ del_timer(&n2pb_timer);
+ free_irq(NSLU2_PB_IRQ, NULL);
+ unregister_chrdev(NSLU2RB_MAJOR, "n2rb" );
+ class_device_destroy(n2lm_class, MKDEV(NSLU2RB_MAJOR, 0));
+ del_timer(&n2lm_rsg_timer);
+ del_timer(&n2lm_rsr_timer);
+ del_timer(&n2lm_d1_timer);
+ del_timer(&n2lm_d2_timer);
+ unregister_chrdev(NSLU2LM_MAJOR, "n2lm" );
+ class_device_destroy(n2lm_class, MKDEV(NSLU2LM_MAJOR, 0));
+ unregister_chrdev(NSLU2BZ_MAJOR, "n2bz");
+ class_device_destroy(n2lm_class, MKDEV(NSLU2BZ_MAJOR, 0));
+ class_destroy(n2lm_class);
+}
+
+module_init (n2iom_init);
+module_exit (n2iom_exit);
+
+MODULE_AUTHOR("Karen Spearel <kas11@tampabay.rr.com>");
+MODULE_DESCRIPTION("NSLU2 I/O driver");
+MODULE_LICENSE("GPL");
+static int debug = 7;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Debugging enabled = 8");
+
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-part.c test3/arch/arm/mach-ixp4xx/nslu2-part.c
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-part.c 1970-01-01 01:00:00.000000000 +0100
+++ test3/arch/arm/mach-ixp4xx/nslu2-part.c 2005-09-24 13:21:22.000000000 +0200
@@ -0,0 +1,120 @@
+/*
+ * nslu2-part.c
+ *
+ * Maintainers: http://www.nslu2-linux.org/
+ * Initial port: Mark Rakes <mrakes AT mac.com>
+ *
+ * "Parse" the fixed partition table of the Linksys NSLU2 and
+ * produce a Linux partition array to match.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+/* info we know about the NSLU2's flash setup:
+ *
+ * Num Partition offset size
+ * --- --------- ---------- -----------
+ * 0 RedBoot 0x00000000 0x00040000
+ * 1 System Configuration 0x00040000 0x00020000
+ * 2 Kernel 0x00060000 0x00100000
+ * 3 Ramdisk 0x00160000 0x006a0000
+ */
+ #define NSLU2_NUM_FLASH_PARTITIONS 4
+ #define NSLU2_FLASH_PART0_NAME "RedBoot"
+ #define NSLU2_FLASH_PART0_OFFSET 0x00000000
+ #define NSLU2_FLASH_PART0_SIZE 0x00040000
+ #define NSLU2_FLASH_PART1_NAME "System Configuration"
+ #define NSLU2_FLASH_PART1_OFFSET (NSLU2_FLASH_PART0_OFFSET + NSLU2_FLASH_PART0_SIZE)
+ #define NSLU2_FLASH_PART1_SIZE 0x00020000
+ #define NSLU2_FLASH_PART2_NAME "Kernel"
+ #define NSLU2_FLASH_PART2_OFFSET (NSLU2_FLASH_PART1_OFFSET + NSLU2_FLASH_PART1_SIZE)
+ #define NSLU2_FLASH_PART2_SIZE 0x00100000
+ #define NSLU2_FLASH_PART3_NAME "Ramdisk"
+ #define NSLU2_FLASH_PART3_OFFSET (NSLU2_FLASH_PART2_OFFSET + NSLU2_FLASH_PART2_SIZE)
+ #define NSLU2_FLASH_PART3_SIZE 0x006a0000
+
+static int parse_nslu2_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long flash_start)
+{
+ struct mtd_partition *parts;
+ int ret = 0, namelen = 0;
+ char *names;
+
+ namelen = strlen(NSLU2_FLASH_PART0_NAME) +
+ strlen(NSLU2_FLASH_PART1_NAME) +
+ strlen(NSLU2_FLASH_PART2_NAME) +
+ strlen(NSLU2_FLASH_PART3_NAME) +
+ NSLU2_NUM_FLASH_PARTITIONS; /*4 strings + each terminator */
+
+ parts = kmalloc(sizeof(*parts)*NSLU2_NUM_FLASH_PARTITIONS + namelen, GFP_KERNEL);
+ if (!parts) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memset(parts, 0, sizeof(*parts)*NSLU2_NUM_FLASH_PARTITIONS + namelen);
+ names = (char *)&parts[NSLU2_NUM_FLASH_PARTITIONS];
+
+ /* RedBoot partition */
+ parts[0].size = NSLU2_FLASH_PART0_SIZE;
+ parts[0].offset = NSLU2_FLASH_PART0_OFFSET;
+ parts[0].name = NSLU2_FLASH_PART0_NAME;
+ parts[0].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART0_NAME);
+ names += strlen(names)+1;
+ /* System Configuration */
+ parts[1].size = NSLU2_FLASH_PART1_SIZE;
+ parts[1].offset = NSLU2_FLASH_PART1_OFFSET;
+ parts[1].name = NSLU2_FLASH_PART1_NAME;
+ parts[1].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART1_NAME);
+ names += strlen(names)+1;
+ /* Kernel */
+ parts[2].size = NSLU2_FLASH_PART2_SIZE;
+ parts[2].offset = NSLU2_FLASH_PART2_OFFSET;
+ parts[2].name = NSLU2_FLASH_PART2_NAME;
+ parts[2].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART2_NAME);
+ names += strlen(names)+1;
+ /* Ramdisk */
+ parts[3].size = NSLU2_FLASH_PART3_SIZE;
+ parts[3].offset = NSLU2_FLASH_PART3_OFFSET;
+ parts[3].name = NSLU2_FLASH_PART3_NAME;
+ parts[3].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART3_NAME);
+ names += strlen(names)+1;
+
+ ret = NSLU2_NUM_FLASH_PARTITIONS;
+ *pparts = parts;
+ out:
+ return ret;
+}
+
+static struct mtd_part_parser nslu2_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_nslu2_partitions,
+ .name = "NSLU2",
+};
+
+static int __init nslu2_parser_init(void)
+{
+ return register_mtd_parser(&nslu2_parser);
+}
+
+static void __exit nslu2_parser_exit(void)
+{
+ deregister_mtd_parser(&nslu2_parser);
+}
+
+module_init(nslu2_parser_init);
+module_exit(nslu2_parser_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Rakes");
+MODULE_DESCRIPTION("Parsing code for NSLU2 flash tables");
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-pci.c test3/arch/arm/mach-ixp4xx/nslu2-pci.c
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-pci.c 1970-01-01 01:00:00.000000000 +0100
+++ test3/arch/arm/mach-ixp4xx/nslu2-pci.c 2005-09-24 15:19:54.000000000 +0200
@@ -0,0 +1,83 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-pci.c
+ *
+ * NSLU2 board-level PCI initialization
+ *
+ * based on ixdp425-pci.c:
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+// GPIO 8 is used as the power input so is not free for use as a PCI IRQ
+// However, all the common PCI setup code presumes the standard 4 PCI
+// interrupts are available. So we compromise...we don't enable the
+// IRQ on Pin 8 but we let
+
+#include <linux/config.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+
+#include <asm/mach/pci.h>
+#include <asm/irq.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+void __init nslu2_pci_preinit(void)
+{
+ set_irq_type(IRQ_NSLU2_PCI_INTA, IRQT_LOW);
+ set_irq_type(IRQ_NSLU2_PCI_INTB, IRQT_LOW);
+ set_irq_type(IRQ_NSLU2_PCI_INTC, IRQT_LOW);
+
+ gpio_line_isr_clear(NSLU2_PCI_INTA_PIN);
+ gpio_line_isr_clear(NSLU2_PCI_INTB_PIN);
+ gpio_line_isr_clear(NSLU2_PCI_INTC_PIN);
+
+ /* INTD is not configured. Unused? */
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[NSLU2_PCI_IRQ_LINES] = {
+ IRQ_NSLU2_PCI_INTA,
+ IRQ_NSLU2_PCI_INTB,
+ IRQ_NSLU2_PCI_INTC,
+ };
+
+ int irq = -1;
+
+ if (slot >= 1 && slot <= NSLU2_PCI_MAX_DEV &&
+ pin >= 1 && pin <= NSLU2_PCI_IRQ_LINES) {
+ irq = pci_irq_table[
+ (slot + pin - 2) % 3];
+ }
+
+ return irq;
+}
+
+struct hw_pci __initdata nslu2_pci = {
+ .nr_controllers = 1,
+ .preinit = nslu2_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = ixp4xx_setup,
+ .scan = ixp4xx_scan_bus,
+ .map_irq = nslu2_map_irq,
+};
+
+int __init nslu2_pci_init(void) /* monkey see, monkey do */
+{
+ if (machine_is_nslu2())
+ pci_common_init(&nslu2_pci);
+
+ return 0;
+}
+
+subsys_initcall(nslu2_pci_init);
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-rtc.c test3/arch/arm/mach-ixp4xx/nslu2-rtc.c
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-rtc.c 1970-01-01 01:00:00.000000000 +0100
+++ test3/arch/arm/mach-ixp4xx/nslu2-rtc.c 2005-09-24 17:35:55.000000000 +0200
@@ -0,0 +1,108 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-rtc.c
+ *
+ * NSL2 RTC driver
+ *
+ * Copyright (C) 2005 Tower Technologies
+ *
+ * based on x1205-rtc.c
+ * Copyright (C) 2004 Karen Spearel
+ *
+ * Author: Alessandro Zummo <a.zummo@towertech.it>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/rtc.h>
+#include <linux/init.h>
+
+#include <linux/x1205.h>
+
+#include <asm/rtc.h>
+
+
+extern int (*set_rtc)(void);
+
+static int nslu2_set_rtc(void)
+{
+ struct rtc_time new_tm, old_tm;
+ unsigned long cur_secs = xtime.tv_sec;
+
+ if (x1205_do_command(X1205_CMD_GETDATETIME, &old_tm))
+ return 0;
+
+ /* FIXME xtime.tv_nsec = old_tm.tm_sec * 10000000; */
+ new_tm.tm_sec = cur_secs % 60;
+ cur_secs /= 60;
+ new_tm.tm_min = cur_secs % 60;
+ cur_secs /= 60;
+ new_tm.tm_hour = cur_secs % 24;
+
+ /*
+ * avoid writing when we're going to change the day
+ * of the month. We will retry in the next minute.
+ * This basically means that if the RTC must not drift
+ * by more than 1 minute in 11 minutes.
+ */
+ if ((old_tm.tm_hour == 23 && old_tm.tm_min == 59) ||
+ (new_tm.tm_hour == 23 && new_tm.tm_min == 59))
+ return 1;
+
+ return x1205_do_command(X1205_CMD_SETTIME, &new_tm);
+}
+
+static int rtc_read_alarm(struct rtc_wkalrm *alrm)
+{
+ return x1205_do_command(X1205_CMD_GETALARM, &alrm->time);
+}
+
+static inline int rtc_set_alarm(struct rtc_wkalrm *alrm)
+{
+ return x1205_do_command(X1205_CMD_SETALARM, &alrm->time);
+}
+
+static int rtc_read_time(struct rtc_time *tm)
+{
+ return x1205_do_command(X1205_CMD_GETDATETIME, tm);
+}
+
+static int rtc_set_time(struct rtc_time *tm)
+{
+ return x1205_do_command(X1205_CMD_SETDATETIME, tm);
+}
+
+static struct rtc_ops rtc_ops = {
+ .owner = THIS_MODULE,
+ .read_time = rtc_read_time,
+ .set_time = rtc_set_time,
+ .read_alarm = rtc_read_alarm,
+ .set_alarm = rtc_set_alarm,
+};
+
+static int __init nslu2_rtc_init(void)
+{
+ int ret = register_rtc(&rtc_ops);
+
+ if (ret)
+ return ret;
+
+ set_rtc = nslu2_set_rtc;
+
+ return 0;
+}
+
+static void __exit nslu2_rtc_exit(void)
+{
+ set_rtc = NULL;
+
+ unregister_rtc(&rtc_ops);
+}
+
+module_init(nslu2_rtc_init);
+module_exit(nslu2_rtc_exit);
diff -urN linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-setup.c test3/arch/arm/mach-ixp4xx/nslu2-setup.c
--- linux-2.6.14-rc2/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 01:00:00.000000000 +0100
+++ test3/arch/arm/mach-ixp4xx/nslu2-setup.c 2005-09-24 17:27:31.000000000 +0200
@@ -0,0 +1,145 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-setup.c
+ *
+ * NSLU2 board-setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Mark Rakes <mrakes at mac.com>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * Fixed missing init_time in MACHINE_START kas11 10/22/04
+ * Changed to conform to new style __init ixdp425 kas11 10/22/04
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data nslu2_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource nslu2_flash_resource = {
+ .start = NSLU2_FLASH_BASE,
+ .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device nslu2_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &nslu2_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
+ .sda_pin = NSLU2_SDA_PIN,
+ .scl_pin = NSLU2_SCL_PIN,
+};
+
+static struct platform_device nslu2_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_i2c_gpio_pins,
+ },
+ .num_resources = 0
+};
+
+static struct resource nslu2_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM
+ }
+};
+
+static struct plat_serial8250_port nslu2_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .mapbase = IXP4XX_UART2_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_BOOT_AUTOCONF,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ { }
+};
+
+static struct platform_device nslu2_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = nslu2_uart_data,
+ .num_resources = 2,
+ .resource = nslu2_uart_resources
+};
+
+static struct platform_device *nslu2_devices[] __initdata = {
+ &nslu2_i2c_controller,
+ &nslu2_flash,
+ &nslu2_uart
+};
+
+static void n2_power_off(void)
+{
+ /* This causes the box to drop the power and go dead. */
+#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000
+ *IXP4XX_GPIO_GPOER &= ~GPIO_PO_BM; /* enable the pwr cntl gpio */
+ *IXP4XX_GPIO_GPOUTR |= GPIO_PO_BM; /* do the deed */
+}
+
+static void __init nslu2_init(void)
+{
+ /* NSLU2 has a 33.00 MHZ crystal, we need to cope with that */
+ ixp4xx_ticks_per_usec = NSLU2_CLOCK_TICKS_PER_USEC;
+
+ ixp4xx_sys_init();
+
+ pm_power_off = n2_power_off;
+ platform_add_devices(nslu2_devices, ARRAY_SIZE(nslu2_devices));
+}
+
+MACHINE_START(NSLU2, "Linksys NSLU2")
+ /* Maintainer: www.nslu2-linux.org */
+ .phys_ram = PHYS_OFFSET,
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq, /* FIXME: all irq are off here */
+ .timer = &ixp4xx_timer,
+ .init_machine = nslu2_init,
+MACHINE_END
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