[PATCH 2/8] apus: clean up apus support

@@ -1,8 +1,8 @@
 #
-# Makefile for Linux arch/m68k/amiga source directory
+# Makefile for Linux arch/ppc/amiga source directory
 #
 
-obj-y		:= config.o amiints.o cia.o time.o bootinfo.o amisound.o \
-			chipram.o amiga_ksyms.o
+obj-y	:= config.o amiints.o cia.o bootinfo.o \
+	   amisound.o chipram.o amiga_ksyms.o
 
 obj-$(CONFIG_AMIGA_PCMCIA) += pcmcia.o

@@ -20,11 +20,12 @@
 #include <linux/mm.h>
 #include <linux/kd.h>
 #include <linux/tty.h>
+#include <linux/rtc.h>
 #include <linux/console.h>
 #include <linux/init.h>
-#ifdef CONFIG_ZORRO
+#include <linux/interrupt.h>
 #include <linux/zorro.h>
-#endif
+#include <linux/delay.h>
 
 #include <asm/bootinfo.h>
 #include <asm/setup.h>

@@ -71,29 +72,9 @@ static char amiga_model_name[13] = "Amig
 
 extern char m68k_debug_device[];
 
-static void amiga_sched_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
-/* amiga specific irq functions */
-extern void amiga_init_IRQ (void);
-extern void (*amiga_default_handler[]) (int, void *, struct pt_regs *);
-extern int amiga_request_irq (unsigned int irq,
-			      void (*handler)(int, void *, struct pt_regs *),
-                              unsigned long flags, const char *devname,
-			      void *dev_id);
-extern void amiga_free_irq (unsigned int irq, void *dev_id);
-extern void amiga_enable_irq (unsigned int);
-extern void amiga_disable_irq (unsigned int);
 static void amiga_get_model(char *model);
 static int amiga_get_hardware_list(char *buffer);
 /* amiga specific timer functions */
-static unsigned long amiga_gettimeoffset (void);
-static void a3000_gettod (int *, int *, int *, int *, int *, int *);
-static void a2000_gettod (int *, int *, int *, int *, int *, int *);
-static int amiga_hwclk (int, struct hwclk_time *);
-static int amiga_set_clock_mmss (unsigned long);
-#ifdef CONFIG_AMIGA_FLOPPY
-extern void amiga_floppy_setup(char *, int *);
-#endif
-static void amiga_reset (void);
 extern void amiga_init_sound(void);
 static void amiga_savekmsg_init(void);
 static void amiga_mem_console_write(struct console *co, const char *b,

@@ -101,9 +82,6 @@ static void amiga_mem_console_write(stru
 void amiga_serial_console_write(struct console *co, const char *s,
 				unsigned int count);
 static void amiga_debug_init(void);
-#ifdef CONFIG_HEARTBEAT
-static void amiga_heartbeat(int on);
-#endif
 
 static struct console amiga_console_driver = {
 	.name =		"debug",

@@ -384,48 +362,15 @@ void __init config_amiga(void)
   for (i = 0; i < 4; i++)
     request_resource(&iomem_resource, &((struct resource *)&mb_resources)[i]);
 
-  mach_sched_init      = amiga_sched_init;
-  mach_init_IRQ        = amiga_init_IRQ;
-#ifndef CONFIG_APUS
-  mach_default_handler = &amiga_default_handler;
-  mach_request_irq     = amiga_request_irq;
-  mach_free_irq        = amiga_free_irq;
-  enable_irq           = amiga_enable_irq;
-  disable_irq          = amiga_disable_irq;
-#endif
-  mach_get_model       = amiga_get_model;
-  mach_get_hardware_list = amiga_get_hardware_list;
-  mach_gettimeoffset   = amiga_gettimeoffset;
   if (AMIGAHW_PRESENT(A3000_CLK)){
-    mach_gettod  = a3000_gettod;
     rtc_resource.name = "A3000 RTC";
     request_resource(&iomem_resource, &rtc_resource);
   }
   else{ /* if (AMIGAHW_PRESENT(A2000_CLK)) */
-    mach_gettod  = a2000_gettod;
     rtc_resource.name = "A2000 RTC";
     request_resource(&iomem_resource, &rtc_resource);
   }
 
-  mach_max_dma_address = 0xffffffff; /*
-				      * default MAX_DMA=0xffffffff
-				      * on all machines. If we don't
-				      * do so, the SCSI code will not
-				      * be able to allocate any mem
-				      * for transfers, unless we are
-				      * dealing with a Z2 mem only
-				      * system.                  /Jes
-				      */
-
-  mach_hwclk           = amiga_hwclk;
-  mach_set_clock_mmss  = amiga_set_clock_mmss;
-#ifdef CONFIG_AMIGA_FLOPPY
-  mach_floppy_setup    = amiga_floppy_setup;
-#endif
-  mach_reset           = amiga_reset;
-#ifdef CONFIG_HEARTBEAT
-  mach_heartbeat = amiga_heartbeat;
-#endif
 
   /* Fill in the clock values (based on the 700 kHz E-Clock) */
   amiga_masterclock = 40*amiga_eclock;	/* 28 MHz */

@@ -473,242 +418,141 @@ void __init config_amiga(void)
 	  *(unsigned char *)ZTWO_VADDR(0xde0002) |= 0x80;
 }
 
-static unsigned short jiffy_ticks;
-
-static void __init amiga_sched_init(irqreturn_t (*timer_routine)(int, void *,
-						struct pt_regs *))
-{
-	static struct resource sched_res = {
-	    "timer", 0x00bfd400, 0x00bfd5ff,
-	};
-	jiffy_ticks = (amiga_eclock+HZ/2)/HZ;
-
-	if (request_resource(&mb_resources._ciab, &sched_res))
-	    printk("Cannot allocate ciab.ta{lo,hi}\n");
-	ciab.cra &= 0xC0;   /* turn off timer A, continuous mode, from Eclk */
-	ciab.talo = jiffy_ticks % 256;
-	ciab.tahi = jiffy_ticks / 256;
-
-	/* install interrupt service routine for CIAB Timer A
-	 *
-	 * Please don't change this to use ciaa, as it interferes with the
-	 * SCSI code. We'll have to take a look at this later
-	 */
-	request_irq(IRQ_AMIGA_CIAB_TA, timer_routine, 0, "timer", NULL);
-	/* start timer */
-	ciab.cra |= 0x11;
-}
-
 #define TICK_SIZE 10000
 
-extern unsigned char cia_get_irq_mask(unsigned int irq);
-
-/* This is always executed with interrupts disabled.  */
-static unsigned long amiga_gettimeoffset (void)
-{
-	unsigned short hi, lo, hi2;
-	unsigned long ticks, offset = 0;
-
-	/* read CIA B timer A current value */
-	hi  = ciab.tahi;
-	lo  = ciab.talo;
-	hi2 = ciab.tahi;
-
-	if (hi != hi2) {
-		lo = ciab.talo;
-		hi = hi2;
-	}
-
-	ticks = hi << 8 | lo;
-
-	if (ticks > jiffy_ticks / 2)
-		/* check for pending interrupt */
-		if (cia_get_irq_mask(IRQ_AMIGA_CIAB) & CIA_ICR_TA)
-			offset = 10000;
-
-	ticks = jiffy_ticks - ticks;
-	ticks = (10000 * ticks) / jiffy_ticks;
-
-	return ticks + offset;
-}
-
-static void a3000_gettod (int *yearp, int *monp, int *dayp,
-			  int *hourp, int *minp, int *secp)
-{
-	volatile struct tod3000 *tod = TOD_3000;
-
-	tod->cntrl1 = TOD3000_CNTRL1_HOLD;
-
-	*secp  = tod->second1 * 10 + tod->second2;
-	*minp  = tod->minute1 * 10 + tod->minute2;
-	*hourp = tod->hour1   * 10 + tod->hour2;
-	*dayp  = tod->day1    * 10 + tod->day2;
-	*monp  = tod->month1  * 10 + tod->month2;
-	*yearp = tod->year1   * 10 + tod->year2;
-
-	tod->cntrl1 = TOD3000_CNTRL1_FREE;
-}
-
-static void a2000_gettod (int *yearp, int *monp, int *dayp,
-			  int *hourp, int *minp, int *secp)
-{
-	volatile struct tod2000 *tod = TOD_2000;
-
-	tod->cntrl1 = TOD2000_CNTRL1_HOLD;
-
-	while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
-		;
-
-	*secp  = tod->second1     * 10 + tod->second2;
-	*minp  = tod->minute1     * 10 + tod->minute2;
-	*hourp = (tod->hour1 & 3) * 10 + tod->hour2;
-	*dayp  = tod->day1        * 10 + tod->day2;
-	*monp  = tod->month1      * 10 + tod->month2;
-	*yearp = tod->year1       * 10 + tod->year2;
-
-	if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
-		if (!(tod->hour1 & TOD2000_HOUR1_PM) && *hourp == 12)
-			*hourp = 0;
-		else if ((tod->hour1 & TOD2000_HOUR1_PM) && *hourp != 12)
-			*hourp += 12;
-	}
-
-	tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-}
-
-static int amiga_hwclk(int op, struct hwclk_time *t)
+int amiga_hwclk(int op, struct rtc_time *t)
 {
 	if (AMIGAHW_PRESENT(A3000_CLK)) {
-		volatile struct tod3000 *tod = TOD_3000;
-
-		tod->cntrl1 = TOD3000_CNTRL1_HOLD;
+		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
 
 		if (!op) { /* read */
-			t->sec  = tod->second1 * 10 + tod->second2;
-			t->min  = tod->minute1 * 10 + tod->minute2;
-			t->hour = tod->hour1   * 10 + tod->hour2;
-			t->day  = tod->day1    * 10 + tod->day2;
-			t->wday = tod->weekday;
-			t->mon  = tod->month1  * 10 + tod->month2 - 1;
-			t->year = tod->year1   * 10 + tod->year2;
-			if (t->year <= 69)
-				t->year += 100;
+			t->tm_sec  = tod_3000.second1 * 10 + tod_3000.second2;
+			t->tm_min  = tod_3000.minute1 * 10 + tod_3000.minute2;
+			t->tm_hour = tod_3000.hour1   * 10 + tod_3000.hour2;
+			t->tm_mday = tod_3000.day1    * 10 + tod_3000.day2;
+			t->tm_wday = tod_3000.weekday;
+			t->tm_mon  = tod_3000.month1  * 10 + tod_3000.month2 - 1;
+			t->tm_year = tod_3000.year1   * 10 + tod_3000.year2;
+			if (t->tm_year <= 69)
+				t->tm_year += 100;
 		} else {
-			tod->second1 = t->sec / 10;
-			tod->second2 = t->sec % 10;
-			tod->minute1 = t->min / 10;
-			tod->minute2 = t->min % 10;
-			tod->hour1   = t->hour / 10;
-			tod->hour2   = t->hour % 10;
-			tod->day1    = t->day / 10;
-			tod->day2    = t->day % 10;
-			if (t->wday != -1)
-				tod->weekday = t->wday;
-			tod->month1  = (t->mon + 1) / 10;
-			tod->month2  = (t->mon + 1) % 10;
-			if (t->year >= 100)
-				t->year -= 100;
-			tod->year1   = t->year / 10;
-			tod->year2   = t->year % 10;
+			tod_3000.second1 = t->tm_sec / 10;
+			tod_3000.second2 = t->tm_sec % 10;
+			tod_3000.minute1 = t->tm_min / 10;
+			tod_3000.minute2 = t->tm_min % 10;
+			tod_3000.hour1   = t->tm_hour / 10;
+			tod_3000.hour2   = t->tm_hour % 10;
+			tod_3000.day1    = t->tm_mday / 10;
+			tod_3000.day2    = t->tm_mday % 10;
+			if (t->tm_wday != -1)
+				tod_3000.weekday = t->tm_wday;
+			tod_3000.month1  = (t->tm_mon + 1) / 10;
+			tod_3000.month2  = (t->tm_mon + 1) % 10;
+			if (t->tm_year >= 100)
+				t->tm_year -= 100;
+			tod_3000.year1   = t->tm_year / 10;
+			tod_3000.year2   = t->tm_year % 10;
 		}
 
-		tod->cntrl1 = TOD3000_CNTRL1_FREE;
+		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
 	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
-		volatile struct tod2000 *tod = TOD_2000;
+		int cnt = 5;
 
-		tod->cntrl1 = TOD2000_CNTRL1_HOLD;
-	
-		while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
-			;
+		tod_2000.cntrl1 = TOD2000_CNTRL1_HOLD;
+
+		while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
+			tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
+			udelay(70);
+			tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
+		}
+
+		if (!cnt)
+			printk(KERN_INFO "hwclk: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
 
 		if (!op) { /* read */
-			t->sec  = tod->second1     * 10 + tod->second2;
-			t->min  = tod->minute1     * 10 + tod->minute2;
-			t->hour = (tod->hour1 & 3) * 10 + tod->hour2;
-			t->day  = tod->day1        * 10 + tod->day2;
-			t->wday = tod->weekday;
-			t->mon  = tod->month1      * 10 + tod->month2 - 1;
-			t->year = tod->year1       * 10 + tod->year2;
-			if (t->year <= 69)
-				t->year += 100;
-
-			if (!(tod->cntrl3 & TOD2000_CNTRL3_24HMODE)){
-				if (!(tod->hour1 & TOD2000_HOUR1_PM) && t->hour == 12)
-					t->hour = 0;
-				else if ((tod->hour1 & TOD2000_HOUR1_PM) && t->hour != 12)
-					t->hour += 12;
+			t->tm_sec  = tod_2000.second1     * 10 + tod_2000.second2;
+			t->tm_min  = tod_2000.minute1     * 10 + tod_2000.minute2;
+			t->tm_hour = (tod_2000.hour1 & 3) * 10 + tod_2000.hour2;
+			t->tm_mday = tod_2000.day1        * 10 + tod_2000.day2;
+			t->tm_wday = tod_2000.weekday;
+			t->tm_mon  = tod_2000.month1      * 10 + tod_2000.month2 - 1;
+			t->tm_year = tod_2000.year1       * 10 + tod_2000.year2;
+			if (t->tm_year <= 69)
+				t->tm_year += 100;
+
+			if (!(tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)){
+				if (!(tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour == 12)
+					t->tm_hour = 0;
+				else if ((tod_2000.hour1 & TOD2000_HOUR1_PM) && t->tm_hour != 12)
+					t->tm_hour += 12;
 			}
 		} else {
-			tod->second1 = t->sec / 10;
-			tod->second2 = t->sec % 10;
-			tod->minute1 = t->min / 10;
-			tod->minute2 = t->min % 10;
-			if (tod->cntrl3 & TOD2000_CNTRL3_24HMODE)
-				tod->hour1 = t->hour / 10;
-			else if (t->hour >= 12)
-				tod->hour1 = TOD2000_HOUR1_PM +
-					(t->hour - 12) / 10;
+			tod_2000.second1 = t->tm_sec / 10;
+			tod_2000.second2 = t->tm_sec % 10;
+			tod_2000.minute1 = t->tm_min / 10;
+			tod_2000.minute2 = t->tm_min % 10;
+			if (tod_2000.cntrl3 & TOD2000_CNTRL3_24HMODE)
+				tod_2000.hour1 = t->tm_hour / 10;
+			else if (t->tm_hour >= 12)
+				tod_2000.hour1 = TOD2000_HOUR1_PM +
+					(t->tm_hour - 12) / 10;
 			else
-				tod->hour1 = t->hour / 10;
-			tod->hour2   = t->hour % 10;
-			tod->day1    = t->day / 10;
-			tod->day2    = t->day % 10;
-			if (t->wday != -1)
-				tod->weekday = t->wday;
-			tod->month1  = (t->mon + 1) / 10;
-			tod->month2  = (t->mon + 1) % 10;
-			if (t->year >= 100)
-				t->year -= 100;
-			tod->year1   = t->year / 10;
-			tod->year2   = t->year % 10;
+				tod_2000.hour1 = t->tm_hour / 10;
+			tod_2000.hour2   = t->tm_hour % 10;
+			tod_2000.day1    = t->tm_mday / 10;
+			tod_2000.day2    = t->tm_mday % 10;
+			if (t->tm_wday != -1)
+				tod_2000.weekday = t->tm_wday;
+			tod_2000.month1  = (t->tm_mon + 1) / 10;
+			tod_2000.month2  = (t->tm_mon + 1) % 10;
+			if (t->tm_year >= 100)
+				t->tm_year -= 100;
+			tod_2000.year1   = t->tm_year / 10;
+			tod_2000.year2   = t->tm_year % 10;
 		}
 
-		tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
+		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
 	}
 
 	return 0;
 }
 
-static int amiga_set_clock_mmss (unsigned long nowtime)
+int amiga_set_clock_mmss(unsigned long nowtime)
 {
 	short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
 
 	if (AMIGAHW_PRESENT(A3000_CLK)) {
-		volatile struct tod3000 *tod = TOD_3000;
-
-		tod->cntrl1 = TOD3000_CNTRL1_HOLD;
+		tod_3000.cntrl1 = TOD3000_CNTRL1_HOLD;
 
-		tod->second1 = real_seconds / 10;
-		tod->second2 = real_seconds % 10;
-		tod->minute1 = real_minutes / 10;
-		tod->minute2 = real_minutes % 10;
+		tod_3000.second1 = real_seconds / 10;
+		tod_3000.second2 = real_seconds % 10;
+		tod_3000.minute1 = real_minutes / 10;
+		tod_3000.minute2 = real_minutes % 10;
 
-		tod->cntrl1 = TOD3000_CNTRL1_FREE;
+		tod_3000.cntrl1 = TOD3000_CNTRL1_FREE;
 	} else /* if (AMIGAHW_PRESENT(A2000_CLK)) */ {
-		volatile struct tod2000 *tod = TOD_2000;
+		int cnt = 5;
 
-		tod->cntrl1 = TOD2000_CNTRL1_HOLD;
-	
-		while (tod->cntrl1 & TOD2000_CNTRL1_BUSY)
-			;
-
-		tod->second1 = real_seconds / 10;
-		tod->second2 = real_seconds % 10;
-		tod->minute1 = real_minutes / 10;
-		tod->minute2 = real_minutes % 10;
+		tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
 
-		tod->cntrl1 &= ~TOD2000_CNTRL1_HOLD;
-	}
+		while ((tod_2000.cntrl1 & TOD2000_CNTRL1_BUSY) && cnt--) {
+			tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
+			udelay(70);
+			tod_2000.cntrl1 |= TOD2000_CNTRL1_HOLD;
+		}
 
-	return 0;
-}
+		if (!cnt)
+			printk(KERN_INFO "set_clock_mmss: timed out waiting for RTC (0x%x)\n", tod_2000.cntrl1);
 
-static NORET_TYPE void amiga_reset( void )
-    ATTRIB_NORET;
+		tod_2000.second1 = real_seconds / 10;
+		tod_2000.second2 = real_seconds % 10;
+		tod_2000.minute1 = real_minutes / 10;
+		tod_2000.minute2 = real_minutes % 10;
 
-static void amiga_reset (void)
-{
-  for (;;);
+		tod_2000.cntrl1 &= ~TOD2000_CNTRL1_HOLD;
+	}
+
+	return 0;
 }
 
 

@@ -841,16 +685,6 @@ static void __init amiga_debug_init(void
 	}
 }
 
-#ifdef CONFIG_HEARTBEAT
-static void amiga_heartbeat(int on)
-{
-    if (on)
-	ciaa.pra &= ~2;
-    else
-	ciaa.pra |= 2;
-}
-#endif
-
     /*
      *  Amiga specific parts of /proc
      */

@@ -943,19 +777,14 @@ int get_hardware_list(char *buffer)
 	u_long mem;
 	int i;
 
-	if (mach_get_model)
-		mach_get_model(model);
-	else
-		strcpy(model, "Unknown PowerPC");
+	amiga_get_model(model);
 
 	len += sprintf(buffer+len, "Model:\t\t%s\n", model);
-	len += get_cpuinfo(buffer+len);
+	//len += get_cpuinfo(buffer+len);
 	for (mem = 0, i = 0; i < m68k_realnum_memory; i++)
 		mem += m68k_memory[i].size;
 	len += sprintf(buffer+len, "System Memory:\t%ldK\n", mem>>10);
-
-	if (mach_get_hardware_list)
-		len += mach_get_hardware_list(buffer+len);
+	len += amiga_get_hardware_list(buffer+len);
 
 	return(len);
 }

@@ -1,160 +0,0 @@
-/*
- *  arch/ppc/amiga/ints.c
- *
- *  Linux/m68k general interrupt handling code from arch/m68k/kernel/ints.c
- *  Needed to drive the m68k emulating IRQ hardware on the PowerUp boards.
- */
-
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/kernel_stat.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/seq_file.h>
-
-#include <asm/setup.h>
-#include <asm/system.h>
-#include <asm/irq.h>
-#include <asm/traps.h>
-#include <asm/page.h>
-#include <asm/machdep.h>
-
-/* table for system interrupt handlers */
-static irq_handler_t irq_list[SYS_IRQS];
-
-static const char *default_names[SYS_IRQS] = {
-	"spurious int", "int1 handler", "int2 handler", "int3 handler",
-	"int4 handler", "int5 handler", "int6 handler", "int7 handler"
-};
-
-/* The number of spurious interrupts */
-volatile unsigned int num_spurious;
-
-#define NUM_IRQ_NODES 100
-static irq_node_t nodes[NUM_IRQ_NODES];
-
-
-/*
- * void init_IRQ(void)
- *
- * Parameters:	None
- *
- * Returns:	Nothing
- *
- * This function should be called during kernel startup to initialize
- * the IRQ handling routines.
- */
-
-__init
-void m68k_init_IRQ(void)
-{
-	int i;
-
-	for (i = 0; i < SYS_IRQS; i++) {
-		if (mach_default_handler)
-			irq_list[i].handler = (*mach_default_handler)[i];
-		irq_list[i].flags   = 0;
-		irq_list[i].dev_id  = NULL;
-		irq_list[i].devname = default_names[i];
-	}
-
-	for (i = 0; i < NUM_IRQ_NODES; i++)
-		nodes[i].handler = NULL;
-
-	mach_init_IRQ ();
-}
-
-irq_node_t *new_irq_node(void)
-{
-	irq_node_t *node;
-	short i;
-
-	for (node = nodes, i = NUM_IRQ_NODES-1; i >= 0; node++, i--)
-		if (!node->handler)
-			return node;
-
-	printk ("new_irq_node: out of nodes\n");
-	return NULL;
-}
-
-int sys_request_irq(unsigned int irq,
-                    void (*handler)(int, void *, struct pt_regs *),
-                    unsigned long flags, const char *devname, void *dev_id)
-{
-	if (irq < IRQ1 || irq > IRQ7) {
-		printk("%s: Incorrect IRQ %d from %s\n",
-		       __FUNCTION__, irq, devname);
-		return -ENXIO;
-	}
-
-#if 0
-	if (!(irq_list[irq].flags & IRQ_FLG_STD)) {
-		if (irq_list[irq].flags & IRQ_FLG_LOCK) {
-			printk("%s: IRQ %d from %s is not replaceable\n",
-			       __FUNCTION__, irq, irq_list[irq].devname);
-			return -EBUSY;
-		}
-		if (!(flags & IRQ_FLG_REPLACE)) {
-			printk("%s: %s can't replace IRQ %d from %s\n",
-			       __FUNCTION__, devname, irq, irq_list[irq].devname);
-			return -EBUSY;
-		}
-	}
-#endif
-
-	irq_list[irq].handler = handler;
-	irq_list[irq].flags   = flags;
-	irq_list[irq].dev_id  = dev_id;
-	irq_list[irq].devname = devname;
-	return 0;
-}
-
-void sys_free_irq(unsigned int irq, void *dev_id)
-{
-	if (irq < IRQ1 || irq > IRQ7) {
-		printk("%s: Incorrect IRQ %d\n", __FUNCTION__, irq);
-		return;
-	}
-
-	if (irq_list[irq].dev_id != dev_id)
-		printk("%s: Removing probably wrong IRQ %d from %s\n",
-		       __FUNCTION__, irq, irq_list[irq].devname);
-
-	irq_list[irq].handler = (*mach_default_handler)[irq];
-	irq_list[irq].flags   = 0;
-	irq_list[irq].dev_id  = NULL;
-	irq_list[irq].devname = default_names[irq];
-}
-
-asmlinkage void process_int(unsigned long vec, struct pt_regs *fp)
-{
-	if (vec >= VEC_INT1 && vec <= VEC_INT7 && !MACH_IS_BVME6000) {
-		vec -= VEC_SPUR;
-		kstat_cpu(0).irqs[vec]++;
-		irq_list[vec].handler(vec, irq_list[vec].dev_id, fp);
-	} else {
-		if (mach_process_int)
-			mach_process_int(vec, fp);
-		else
-			panic("Can't process interrupt vector %ld\n", vec);
-		return;
-	}
-}
-
-int m68k_get_irq_list(struct seq_file *p, void *v)
-{
-	int i;
-
-	/* autovector interrupts */
-	if (mach_default_handler) {
-		for (i = 0; i < SYS_IRQS; i++) {
-			seq_printf(p, "auto %2d: %10u ", i,
-			               i ? kstat_cpu(0).irqs[i] : num_spurious);
-			seq_puts(p, "  ");
-			seq_printf(p, "%s\n", irq_list[i].devname);
-		}
-	}
-
-	mach_get_irq_list(p, v);
-	return 0;
-}

@@ -1,58 +0,0 @@
-#include <linux/config.h> /* CONFIG_HEARTBEAT */
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-
-#include <asm/machdep.h>
-#include <asm/io.h>
-
-#include <linux/timex.h>
-
-unsigned long m68k_get_rtc_time(void)
-{
-	unsigned int year, mon, day, hour, min, sec;
-
-	extern void arch_gettod(int *year, int *mon, int *day, int *hour,
-				int *min, int *sec);
-
-	arch_gettod (&year, &mon, &day, &hour, &min, &sec);
-
-	if ((year += 1900) < 1970)
-		year += 100;
-
-	return mktime(year, mon, day, hour, min, sec);
-}
-
-int m68k_set_rtc_time(unsigned long nowtime)
-{
-  if (mach_set_clock_mmss)
-    return mach_set_clock_mmss (nowtime);
-  return -1;
-}
-
-void apus_heartbeat (void)
-{
-#ifdef CONFIG_HEARTBEAT
-	static unsigned cnt = 0, period = 0, dist = 0;
-
-	if (cnt == 0 || cnt == dist)
-                mach_heartbeat( 1 );
-	else if (cnt == 7 || cnt == dist+7)
-                mach_heartbeat( 0 );
-
-	if (++cnt > period) {
-                cnt = 0;
-                /* The hyperbolic function below modifies the heartbeat period
-                 * length in dependency of the current (5min) load. It goes
-                 * through the points f(0)=126, f(1)=86, f(5)=51,
-                 * f(inf)->30. */
-                period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
-                dist = period / 4;
-	}
-#endif
-	/* should be made smarter */
-	ppc_md.heartbeat_count = 1;
-}

@@ -61,9 +61,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_ga
 unsigned long total_memory;
 unsigned long total_lowmem;
 
-unsigned long ppc_memstart;
-unsigned long ppc_memoffset = PAGE_OFFSET;
-
 int mem_init_done;
 int init_bootmem_done;
 int boot_mapsize;

@@ -17,11 +17,14 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/initrd.h>
+#include <linux/module.h>
 #include <linux/seq_file.h>
 
 /* Needs INITSERIAL call in head.S! */
-#undef APUS_DEBUG
+#define APUS_DEBUG
 
 #include <asm/bootinfo.h>
 #include <asm/setup.h>

@@ -32,52 +35,25 @@
 #include <asm/dma.h>
 #include <asm/machdep.h>
 #include <asm/time.h>
+#include <asm/tlbflush.h>
 
 unsigned long m68k_machtype;
 char debug_device[6] = "";
 
-extern void amiga_init_IRQ(void);
-
-extern void apus_setup_pci_ptrs(void);
-
-void (*mach_sched_init) (void (*handler)(int, void *, struct pt_regs *)) __initdata = NULL;
-/* machine dependent irq functions */
-void (*mach_init_IRQ) (void) __initdata = NULL;
-void (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL;
-void (*mach_get_model) (char *model) = NULL;
-int (*mach_get_hardware_list) (char *buffer) = NULL;
-int (*mach_get_irq_list) (struct seq_file *, void *) = NULL;
-void (*mach_process_int) (int, struct pt_regs *) = NULL;
-/* machine dependent timer functions */
-unsigned long (*mach_gettimeoffset) (void);
-void (*mach_gettod) (int*, int*, int*, int*, int*, int*);
-int (*mach_hwclk) (int, struct hwclk_time*) = NULL;
-int (*mach_set_clock_mmss) (unsigned long) = NULL;
-void (*mach_reset)( void );
-long mach_max_dma_address = 0x00ffffff; /* default set to the lower 16MB */
-#if defined(CONFIG_AMIGA_FLOPPY)
-void (*mach_floppy_setup) (char *, int *) __initdata = NULL;
-#endif
-#ifdef CONFIG_HEARTBEAT
-void (*mach_heartbeat) (int) = NULL;
-extern void apus_heartbeat (void);
-#endif
-
-extern unsigned long amiga_model;
-extern unsigned decrementer_count;/* count value for 1e6/HZ microseconds */
-extern unsigned count_period_num; /* 1 decrementer count equals */
-extern unsigned count_period_den; /* count_period_num / count_period_den us */
-
 int num_memory = 0;
 struct mem_info memory[NUM_MEMINFO];/* memory description */
 /* FIXME: Duplicate memory data to avoid conflicts with m68k shared code. */
 int m68k_realnum_memory = 0;
 struct mem_info m68k_memory[NUM_MEMINFO];/* memory description */
 
-struct mem_info ramdisk;
+unsigned long ppc_memstart;
+unsigned long ppc_pgstart;
+unsigned long ppc_memoffset;
+
+EXPORT_SYMBOL(ppc_memoffset);
+EXPORT_SYMBOL(ppc_pgstart);
 
-extern void amiga_floppy_setup(char *, int *);
-extern void config_amiga(void);
+struct mem_info ramdisk;
 
 static int __60nsram = 0;
 

@@ -92,25 +68,43 @@ static int __speed_test_failed = 0;
  */
 unsigned long apus_get_rtc_time(void)
 {
-#ifdef CONFIG_APUS
-	extern unsigned long m68k_get_rtc_time(void);
+	struct rtc_time t;
 
-	return m68k_get_rtc_time ();
-#else
-	return 0;
-#endif
+	amiga_hwclk(0, &t);
+	t.tm_year += 1900;
+
+	return mktime(t.tm_year, t.tm_mon, t.tm_mday,
+		      t.tm_hour, t.tm_min, t.tm_sec);
 }
 
 int apus_set_rtc_time(unsigned long nowtime)
 {
-#ifdef CONFIG_APUS
-	extern int m68k_set_rtc_time(unsigned long nowtime);
+	return amiga_set_clock_mmss(nowtime);
+}
 
-	return m68k_set_rtc_time (nowtime);
-#else
-	return 0;
-#endif
+#ifdef CONFIG_HEARTBEAT
+static void apus_heartbeat(void)
+{
+	static unsigned cnt = 0, period = 0, dist = 0;
+
+	if (cnt == 0 || cnt == dist)
+		ciaa.pra &= ~2;
+	else if (cnt == 7 || cnt == dist + 7)
+		ciaa.pra |= 2;
+
+	if (++cnt > period) {
+		cnt = 0;
+		/* The hyperbolic function below modifies the heartbeat period
+		 * length in dependency of the current (5min) load. It goes
+		 * through the points f(0)=126, f(1)=86, f(5)=51,
+		 * f(inf)->30. */
+		period = ((672<<FSHIFT) / (5*avenrun[0] + (7<<FSHIFT))) + 30;
+		dist = period / 4;
+	}
+	/* should be made smarter */
+	ppc_md.heartbeat_count = 1;
 }
+#endif
 
 /*********************************************************** SETUP */
 /* From arch/m68k/kernel/setup.c. */

@@ -206,8 +200,8 @@ static void get_current_tb(unsigned long
 
 void apus_calibrate_decr(void)
 {
-#ifdef CONFIG_APUS
 	unsigned long freq;
+	unsigned int tmp;
 
 	/* This algorithm for determining the bus speed was
            contributed by Ralph Schmidt. */

@@ -239,15 +233,34 @@ void apus_calibrate_decr(void)
 		freq = 15000000;
 	} else if ((bus_speed >= 63) && (bus_speed < 69)) {
 		bus_speed = 67;
-		freq = 16666667;
+		freq = 16500000;
 	} else {
 		printk ("APUS: Unable to determine bus speed (%d). "
-			"Defaulting to 50MHz", bus_speed);
+			"Defaulting to 50MHz\n", bus_speed);
 		bus_speed = 50;
 		freq = 12500000;
 		speed_test_failed = 1;
 	}
 
+	ciab.cra = (ciab.cra & 0xc0) | 0x08;
+	ciab.icr;
+	wmb();
+	ciab.talo = 0;
+	wmb();
+	ciab.tahi = 0x80;
+	wmb();
+
+	get_current_tb(&start);
+	while (!(ciab.icr & 1))
+		barrier();
+	get_current_tb(&stop);
+
+	tmp = stop - start;
+	start = tmp * amiga_eclock;
+	stop = mulhwu(tmp, amiga_eclock);
+	start += stop << 32;
+	freq = start / 0x8000;
+
 	/* Ease diagnostics... */
 	{
 		extern int __map_without_bats;

@@ -285,36 +298,8 @@ void apus_calibrate_decr(void)
 
 	__bus_speed = bus_speed;
 	__speed_test_failed = speed_test_failed;
-#endif
-}
-
-void arch_gettod(int *year, int *mon, int *day, int *hour,
-		 int *min, int *sec)
-{
-#ifdef CONFIG_APUS
-	if (mach_gettod)
-		mach_gettod(year, mon, day, hour, min, sec);
-	else
-		*year = *mon = *day = *hour = *min = *sec = 0;
-#endif
 }
 
-/* for "kbd-reset" cmdline param */
-__init
-void kbd_reset_setup(char *str, int *ints)
-{
-}
-
-/*********************************************************** FLOPPY */
-#if defined(CONFIG_AMIGA_FLOPPY)
-__init
-void floppy_setup(char *str, int *ints)
-{
-	if (mach_floppy_setup)
-		mach_floppy_setup (str, ints);
-}
-#endif
-
 /*********************************************************** MEMORY */
 #define KMAP_MAX 32
 unsigned long kmap_chunks[KMAP_MAX*3];

@@ -330,26 +315,22 @@ static __inline__ pte_t *my_find_pte(str
 	va &= PAGE_MASK;
 
 	dir = pgd_offset( mm, va );
-	if (dir)
-	{
+	if (dir) {
 		pmd = pmd_offset(dir, va & PAGE_MASK);
 		if (pmd && pmd_present(*pmd))
-		{
-			pte = pte_offset(pmd, va);
-		}
+			pte = pte_offset_kernel(pmd, va);
 	}
 	return pte;
 }
 
 
 /* Again simulating an m68k/mm/kmap.c function. */
-void kernel_set_cachemode( unsigned long address, unsigned long size,
-			   unsigned int cmode )
+void kernel_set_cachemode(unsigned long address, unsigned long size,
+			  unsigned int cmode)
 {
-	unsigned long mask, flags;
+	unsigned long mask, flags, end;
 
-	switch (cmode)
-	{
+	switch (cmode) {
 	case IOMAP_FULL_CACHING:
 		mask = ~(_PAGE_NO_CACHE | _PAGE_GUARDED);
 		flags = 0;