diff options
Diffstat (limited to 'packages/linux/nslu2-kernel/2.6/50-nslu2-setup.patch')
| -rw-r--r-- | packages/linux/nslu2-kernel/2.6/50-nslu2-setup.patch | 1156 |
1 files changed, 1156 insertions, 0 deletions
diff --git a/packages/linux/nslu2-kernel/2.6/50-nslu2-setup.patch b/packages/linux/nslu2-kernel/2.6/50-nslu2-setup.patch new file mode 100644 index 0000000000..f38c0c8b3e --- /dev/null +++ b/packages/linux/nslu2-kernel/2.6/50-nslu2-setup.patch @@ -0,0 +1,1156 @@ +diff -urN linux-2.6.13.1/arch/arm/mach-ixp4xx/Makefile nslu2-2.6.13.1/arch/arm/mach-ixp4xx/Makefile +--- linux-2.6.13.1/arch/arm/mach-ixp4xx/Makefile 2005-09-17 12:42:02.000000000 +0200 ++++ nslu2-2.6.13.1/arch/arm/mach-ixp4xx/Makefile 2005-09-17 12:44:11.000000000 +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_ARCH_NSLU2) += nslu2-pci.o nslu2-setup.o nslu2-part.o nslu2-io.o + +diff -urN linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-io.c nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-io.c +--- linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-io.c 1970-01-01 01:00:00.000000000 +0100 ++++ nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-io.c 2005-09-17 00:12:18.000000000 +0200 +@@ -0,0 +1,777 @@ ++//============================================================================= ++// ++// 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 N2 ++// 12 Reset Pressed = 0 ++//============================================================================= ++// this driver is N2 specific and is purposely designed to do the minimum ++// necessary to provide the necessary services given the limited memory resources ++// of the N2. As OpenN2 develops, addition features will be added as ++// suggested by the community. ++// ++//============================================================================= ++ ++#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. */ ++#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 N2RB_MAJOR 60 //rbuttons ++#define N2PB_MAJOR 61 //pbuttons ++#define N2BZ_MAJOR 62 //buzzer ++#define N2LM_MAJOR 126 ++ ++#define N2PB_IRQ 22 //gpio5 ++#define N2RB_IRQ 29 //gpio12 ++ ++#define N2_BEEP_DUR_LONG 2000 ++#define N2_BEEP_DUR_MED 400 ++#define N2_BEEP_DUR_SHORT 100 ++#define N2_BEEP_PITCH_HIGH 250 ++#define N2_BEEP_PITCH_MED 500 ++#define N2_BEEP_PITCH_LOW 1000 ++#define N2_LONG_DELAY 30000 ++ ++#define N2_BZ_GPIO 4 ++#define N2_PB_GPIO 5 ++#define N2_PO_GPIO 8 //power off ++#define N2_RB_GPIO 12 ++ ++#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 NOERR 0 ++ ++#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 N2BZ_BEEP_STOP _IO('M',0) //stop multi-beep at end of audible ++#define N2BZ_BEEP _IO('M',1) //one beep at current defaults ++#define N2BZ_BEEPS _IOW('M',3,long) //param beeps at current defaults ++#define N2BZ_TONESET _IOW('M',4,long) //set tone: range is high=250 to low=2000 ++#define N2BZ_ONTIME _IOW('M',5,long) //ontime for multi-beeps in jiffies ++#define N2BZ_SILENTTIME _IOW('M',6,long) //offtime for multi-beeps in jiffies ++#define N2BZ_REPEATCNT _IOW('M',7,long) //number of repeats for multi-beeps 0 = forever ++#define N2BZ_COMBINED _IOW('M',8,long) //combine all params in a long ++ ++#define N2LM_OFF _IOW('M',32,long) ++#define N2LM_ON _IOW('M',33,long) ++#define N2LM_BLINK _IOW('M',34,long) ++#define N2LM_ALT _IOW('M',35,long) ++#define N2LM_ALL_ON _IO('M',36) ++#define N2LM_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 unsigned long init_jiffy = 0; //jiffies at init time ++static unsigned long rb_presses = 0; //number of reset button presses ++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 N2LM_ON: ++ n2lm_timer_stop(led); ++ n2lm_ledon(led); ++ break; ++ ++ case N2LM_OFF: ++ n2lm_timer_stop(led); ++ n2lm_ledoff(led); ++ break; ++ ++ case N2LM_BLINK: ++ n2lm_ledon(led); ++ if (led == LED_RS_RED) ++ n2lm_rsr_timer.data = RS_RED_TGL; ++ n2lm_timer_start(led); ++ break; ++ ++ case N2LM_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 N2LM_ALL_ON: ++ n2lm_timer_stop_all(); ++ n2lm_ledon(LED_ALL); ++ break; ++ ++ case N2LM_ALL_OFF: ++ n2lm_timer_stop_all(); ++ n2lm_ledoff(LED_ALL); ++ break; ++ ++ default: ++ return -EINVAL; ++ } ++ ++ return NOERR; ++} ++ ++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 N2BZ_BEEP: ++ n2_buzz(tone/2, ontime); ++ break; ++ ++ case N2BZ_BEEP_STOP: ++ del_timer(&n2bz_timer); ++ break; ++ ++ case N2BZ_BEEPS: ++ if (param == 0) ++ bz_repeatcnt = 0xffffffff; ++ else ++ bz_repeatcnt = param; ++ n2bz_handler(0); ++ break; ++ ++ case N2BZ_TONESET: ++ if (param >= 250 && param <= 2000) ++ tone = param; ++ break; ++ ++ case N2BZ_ONTIME: ++ if (param > 4 && param < 201) ++ ontime = param; ++ break; ++ ++ case N2BZ_SILENTTIME: ++ if (param > ontime) //enforce a reasonable duty cycle ++ offtime = param; ++ else ++ offtime = ontime; ++ break; ++ ++ case N2BZ_REPEATCNT: ++ if (param == 0) ++ bz_repeatcnt = 0xffffffff; ++ else ++ bz_repeatcnt = param; ++ break; ++ ++ case N2BZ_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 NOERR; ++} ++ ++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; ++ ++ wake_up(&n2pb_waitq); ++ remove_proc_entry(PWR_OFF_STR, NULL); //no parent ++ n2_buzz(N2_BEEP_PITCH_MED, N2_BEEP_DUR_MED); ++ ret = create_proc_entry(PWR_OFF_STR, 0, NULL); ++ nslu2_io_debug((KERN_DEBUG "cpe ret = %p\n", ret)); ++ ++// WARNING: This is RUDE...it unconditionally pulls the power plug. ++// Your data will be at risk...since this is just a test system ++// I am leaving it enabled...eventually userland needs to get the ++// message, do an orderly shutdown and use an ioctl or something in ++// /proc/powerdowm to actually have us pull the plug. ++ ++ machine_power_off(); ++ ++ return IRQ_HANDLED; ++} ++ ++//================================================================================================== ++// ++//static void do_rb_timeout(unsigned long data) ++//{ ++// int i; ++// ++// for (i = 0; i < rb_presses; i++) ++// n2_buzz(N2_BEEP_PITCH_MED,N2_BEEP_DUR_SHORT); ++// return; ++//} ++// ++//================================================================================================== ++// does nothing -- waiting for userland to define ++// This thing is sorta braindead...edge triggered IRQs aren't available in the drivers yet...so ++// we hang in a loop until the button is no longer pressed ++ ++struct testr { ++ int ctl; ++ long param; ++}; ++ ++static irqreturn_t n2rb_handler (int irq, void *dev_id, struct pt_regs *regs) ++{ ++ ++ static struct testr test[] = { ++ { N2LM_ALL_OFF,0 }, ++ { N2LM_ON,0 }, ++ { N2LM_OFF,0 }, ++ { N2LM_ON,1 }, ++ { N2LM_ALL_OFF,1 }, ++ { N2LM_ON,2 }, ++ { N2LM_OFF,2 }, ++ { N2LM_ON,3 }, ++ { N2LM_OFF,3 }, ++ { N2LM_BLINK,0 }, ++ { N2LM_OFF,0 }, ++ { N2LM_BLINK,1 }, ++ { N2LM_OFF,1 }, ++ { N2LM_BLINK,2 }, ++ { N2LM_OFF,2 }, ++ { N2LM_BLINK,3 }, ++ { N2LM_OFF,3 }, ++ { N2LM_ALL_OFF,0 }, ++ { N2LM_ALT,1 }, ++ { N2LM_OFF,1 }, ++ { N2LM_ALL_ON,0 } ++ }; ++ ++ nslu2_io_debug(("Reset Entry IRQ =%d Presses = %d Jiffies = %08lx\tIO = %x\tIOW = %x\n", irq, rb_presses, jiffies, (int)_IO('M',rb_presses), (int)_IOW('M',rb_presses,long))); ++ ++ wake_up(&n2rb_waitq); ++ while ((*IXP4XX_GPIO_GPINR & GPIO_RB_BM) == 0) ++ ; //wait for button release ++ ++ if (rb_presses > 20) ++ rb_presses = 0; ++ tone = (rb_presses * 50) + 200; ++ ontime = (rb_presses*10) + 100; ++ offtime = 500 - (rb_presses*20); ++ nslu2_io_debug(("Ontime = %d\tOfftime = %d\tTone = %d\n",ontime,offtime,tone)); ++ rb_presses++; ++ ++ n2bz_ioctl(NULL,NULL, N2BZ_BEEPS, rb_presses); ++ n2lm_ioctl(NULL,NULL, test[rb_presses].ctl, test[rb_presses].param); ++// if (rb_presses == 0) { ++// init_jiffy = jiffies; ++// init_timer (&n2rb_timer); ++// n2rb_timer.function = do_rb_timeout; ++// }; ++// ++// if (rb_presses == 8) ++// rb_presses = 0; ++// if (rb_presses & 1) ++// n2lm_ledon(test[rb_presses]); ++// else ++// n2lm_ledoff(test[rb_presses]); ++// ++// n2rb_timer.expires = (jiffies + RB_DELAY); ++// add_timer (&n2rb_timer); ++// if (rb_presses < 5) { ++// if (rb_presses > 0) ++// n2lm_ledoff(rb_presses); ++// n2lm_ledon(++rb_presses); ++// n2lm_timer_start(rb_presses); ++// }; ++ ++ nslu2_io_debug((KERN_DEBUG "Reset Exit IRQ=%d Presses= %d Jiffies= %08lx\n", irq, rb_presses, jiffies)); ++ return IRQ_HANDLED; ++ ++} ++ ++//================================================================================================== ++// 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 ++ gpio_line_config(N2_RB_GPIO, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); ++ gpio_line_isr_clear(N2_RB_GPIO); ++ gpio_line_config(N2_PB_GPIO, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_HIGH); ++ gpio_line_isr_clear(N2_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(N2_BEEP_PITCH_MED, N2_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 "OpenN2 Misc I/O Driver Version %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(N2RB_MAJOR, "n2_rbm", &n2pb_fops) < NOERR) { ++ printk(KERN_DEBUG "Reset Button Major %d not available\n", N2RB_MAJOR); ++ return -EBUSY; ++ } ++ else { ++ class_device_create(n2lm_class, MKDEV(N2RB_MAJOR, 0), NULL, "rbuttons"); ++ } ++ if (register_chrdev(N2PB_MAJOR, "n2_pbm", &n2rb_fops) < NOERR) { ++ printk(KERN_DEBUG "Power Button Major %d not available\n", N2PB_MAJOR); ++ return -EBUSY; ++ } ++ else { ++ class_device_create(n2lm_class, MKDEV(N2PB_MAJOR, 0), NULL, "pbuttons"); ++ } ++ if (register_chrdev(N2LM_MAJOR, "n2_ledm", &n2lm_fops) < NOERR) { ++ printk(KERN_DEBUG "Led Manager Major %d not available\n", N2LM_MAJOR); ++ return -EBUSY; ++ } ++ else { ++ class_device_create(n2lm_class, MKDEV(N2LM_MAJOR, 0), NULL, "leds"); ++ } ++ if (register_chrdev(N2BZ_MAJOR, "n2_bzm", &n2bz_fops) < NOERR) { ++ printk(KERN_DEBUG "Buzzer Major %d not available\n", N2BZ_MAJOR); ++ return -EBUSY; ++ } ++ else { ++ class_device_create(n2lm_class, MKDEV(N2BZ_MAJOR, 0), NULL, "buzzer"); ++ } ++ ++ if (request_irq(N2RB_IRQ, &n2rb_handler, SA_INTERRUPT, "n2_rb", NULL) < NOERR) { ++ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", N2RB_IRQ); ++ return -EIO; ++ } ++ if (request_irq(N2PB_IRQ, &n2pb_handler, SA_INTERRUPT, "n2_pb", NULL) < NOERR) { ++ printk(KERN_DEBUG "Power Button IRQ %d not available\n", N2PB_IRQ); ++ return -EIO; ++ } ++ ++ enable_irq(N2PB_IRQ); ++ enable_irq(N2RB_IRQ); ++ return (NOERR); ++} ++ ++//================================================================================================== ++ ++static void __exit n2iom_exit(void) ++{ ++ remove_proc_entry(PWR_OFF_STR, NULL); ++ del_timer(&n2rb_timer); ++ free_irq(N2RB_IRQ,NULL); ++ unregister_chrdev(N2PB_MAJOR, "n2pb"); ++ class_device_destroy(n2lm_class, MKDEV(N2PB_MAJOR, 0)); ++ del_timer(&n2pb_timer); ++ free_irq(N2PB_IRQ, NULL); ++ unregister_chrdev(N2RB_MAJOR, "n2rb" ); ++ class_device_destroy(n2lm_class, MKDEV(N2RB_MAJOR, 0)); ++ del_timer(&n2lm_rsg_timer); ++ del_timer(&n2lm_rsr_timer); ++ del_timer(&n2lm_d1_timer); ++ del_timer(&n2lm_d2_timer); ++ unregister_chrdev(N2LM_MAJOR, "n2lm" ); ++ class_device_destroy(n2lm_class, MKDEV(N2LM_MAJOR, 0)); ++ unregister_chrdev(N2BZ_MAJOR, "n2bz"); ++ class_device_destroy(n2lm_class, MKDEV(N2BZ_MAJOR, 0)); ++ class_destroy(n2lm_class); ++} ++ ++module_init (n2iom_init); ++module_exit (n2iom_exit); ++ ++MODULE_AUTHOR("Karen Spearel <kas11@tampabay.rr.com>"); ++MODULE_DESCRIPTION("OpenN2 Buttons/LEDs IO Driver"); ++MODULE_LICENSE("GPL"); ++static int debug = 7; ++module_param(debug, int, 0644); ++MODULE_PARM_DESC(debug, "Debugging enabled = 8"); ++ +diff -urN linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-part.c nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-part.c +--- linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-part.c 1970-01-01 01:00:00.000000000 +0100 ++++ nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-part.c 2005-09-16 22:44:38.000000000 +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-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-pci.c nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-pci.c +--- linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-pci.c 1970-01-01 01:00:00.000000000 +0100 ++++ nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-pci.c 2005-09-16 22:43:54.000000000 +0200 +@@ -0,0 +1,87 @@ ++/* ++ * 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) ++{ ++ gpio_line_config(NSLU2_PCI_INTA_PIN, ++ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); ++ gpio_line_config(NSLU2_PCI_INTB_PIN, ++ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); ++ gpio_line_config(NSLU2_PCI_INTC_PIN, ++ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW); ++// gpio_line_config(NSLU2_PCI_INTD_PIN, ++// IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_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); ++// gpio_line_isr_clear(NSLU2_PCI_INTD_PIN); ++ ++ 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, ++// IRQ_NSLU2_PCI_INTD ++ }; ++ ++ 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]; // ! % 4 kas11 ++ } ++ ++ 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-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-setup.c nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-setup.c +--- linux-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-setup.c 1970-01-01 01:00:00.000000000 +0100 ++++ nslu2-2.6.13.1/arch/arm/mach-ixp4xx/nslu2-setup.c 2005-09-17 00:02:40.000000000 +0200 +@@ -0,0 +1,147 @@ ++/* ++ * 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> ++ ++void __init nslu2_map_io(void) ++{ ++ ixp4xx_map_io(); ++} ++ ++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 = 0, ++ .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) ++{ ++ 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 = nslu2_map_io, ++ .init_irq = ixp4xx_init_irq, //FIXME: all irq are off here ++ .timer = &ixp4xx_timer, ++ .init_machine = nslu2_init, ++ // INITTIME(ixp4xx_init_time) //this was missing in 2.6.7 code ...soft reboot needed? ++MACHINE_END |