1 files changed, 140 insertions, 132 deletions

diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 92f873cc7060..476e18eca758 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -35,35 +35,35 @@
 #include <asm/machdep.h>
 #include <asm/q40_master.h>
 
-extern irqreturn_t q40_process_int (int level, struct pt_regs *regs);
-extern void q40_init_IRQ (void);
+extern irqreturn_t q40_process_int(int level, struct pt_regs *regs);
+extern void q40_init_IRQ(void);
 static void q40_get_model(char *model);
 static int  q40_get_hardware_list(char *buffer);
 extern void q40_sched_init(irq_handler_t handler);
 
-extern unsigned long q40_gettimeoffset (void);
-extern int q40_hwclk (int, struct rtc_time *);
-extern unsigned int q40_get_ss (void);
-extern int q40_set_clock_mmss (unsigned long);
+extern unsigned long q40_gettimeoffset(void);
+extern int q40_hwclk(int, struct rtc_time *);
+extern unsigned int q40_get_ss(void);
+extern int q40_set_clock_mmss(unsigned long);
 static int q40_get_rtc_pll(struct rtc_pll_info *pll);
 static int q40_set_rtc_pll(struct rtc_pll_info *pll);
-extern void q40_reset (void);
+extern void q40_reset(void);
 void q40_halt(void);
 extern void q40_waitbut(void);
-void q40_set_vectors (void);
+void q40_set_vectors(void);
 
-extern void q40_mksound(unsigned int /*freq*/, unsigned int /*ticks*/ );
+extern void q40_mksound(unsigned int /*freq*/, unsigned int /*ticks*/);
 
-extern char m68k_debug_device[];
 static void q40_mem_console_write(struct console *co, const char *b,
-				    unsigned int count);
+				  unsigned int count);
 
 extern int ql_ticks;
 
 static struct console q40_console_driver = {
-	.name =		"debug",
-	.flags =	CON_PRINTBUFFER,
-	.index =	-1,
+	.name	= "debug",
+	.write	= q40_mem_console_write,
+	.flags	= CON_PRINTBUFFER,
+	.index	= -1,
 };
 
 
@@ -74,150 +74,162 @@ static int _cpleft;
 static void q40_mem_console_write(struct console *co, const char *s,
 				  unsigned int count)
 {
-  char *p=(char *)s;
-
-  if (count<_cpleft)
-    while (count-- >0){
-      *q40_mem_cptr=*p++;
-      q40_mem_cptr+=4;
-      _cpleft--;
-    }
+	const char *p = s;
+
+	if (count < _cpleft) {
+		while (count-- > 0) {
+			*q40_mem_cptr = *p++;
+			q40_mem_cptr += 4;
+			_cpleft--;
+		}
+	}
+}
+
+static int __init q40_debug_setup(char *arg)
+{
+	/* useful for early debugging stages - writes kernel messages into SRAM */
+	if (MACH_IS_Q40 && !strncmp(arg, "mem", 3)) {
+		/*printk("using NVRAM debug, q40_mem_cptr=%p\n",q40_mem_cptr);*/
+		_cpleft = 2000 - ((long)q40_mem_cptr-0xff020000) / 4;
+		register_console(&q40_console_driver);
+	}
+	return 0;
 }
+
+early_param("debug", q40_debug_setup);
+
 #if 0
 void printq40(char *str)
 {
-  int l=strlen(str);
-  char *p=q40_mem_cptr;
-
-  while (l-- >0 && _cpleft-- >0)
-    {
-      *p=*str++;
-      p+=4;
-    }
-  q40_mem_cptr=p;
+	int l = strlen(str);
+	char *p = q40_mem_cptr;
+
+	while (l-- > 0 && _cpleft-- > 0) {
+		*p = *str++;
+		p += 4;
+	}
+	q40_mem_cptr = p;
 }
 #endif
 
-static int halted=0;
+static int halted;
 
 #ifdef CONFIG_HEARTBEAT
 static void q40_heartbeat(int on)
 {
-  if (halted) return;
+	if (halted)
+		return;
 
-  if (on)
-    Q40_LED_ON();
-  else
-    Q40_LED_OFF();
+	if (on)
+		Q40_LED_ON();
+	else
+		Q40_LED_OFF();
 }
 #endif
 
 void q40_reset(void)
 {
-        halted=1;
-        printk ("\n\n*******************************************\n"
+        halted = 1;
+        printk("\n\n*******************************************\n"
 		"Called q40_reset : press the RESET button!! \n"
 		"*******************************************\n");
 	Q40_LED_ON();
-	while(1) ;
+	while (1)
+		;
 }
 void q40_halt(void)
 {
-        halted=1;
-        printk ("\n\n*******************\n"
-		    "  Called q40_halt\n"
-		    "*******************\n");
+        halted = 1;
+        printk("\n\n*******************\n"
+		   "  Called q40_halt\n"
+		   "*******************\n");
 	Q40_LED_ON();
-	while(1) ;
+	while (1)
+		;
 }
 
 static void q40_get_model(char *model)
 {
-    sprintf(model, "Q40");
+	sprintf(model, "Q40");
 }
 
 /* No hardware options on Q40? */
 
 static int q40_get_hardware_list(char *buffer)
 {
-    *buffer = '\0';
-    return 0;
+	*buffer = '\0';
+	return 0;
 }
 
-static unsigned int serports[]={0x3f8,0x2f8,0x3e8,0x2e8,0};
+static unsigned int serports[] =
+{
+	0x3f8,0x2f8,0x3e8,0x2e8,0
+};
 void q40_disable_irqs(void)
 {
-  unsigned i,j;
+	unsigned i, j;
 
-  j=0;
-  while((i=serports[j++])) outb(0,i+UART_IER);
-  master_outb(0,EXT_ENABLE_REG);
-  master_outb(0,KEY_IRQ_ENABLE_REG);
+	j = 0;
+	while ((i = serports[j++]))
+		outb(0, i + UART_IER);
+	master_outb(0, EXT_ENABLE_REG);
+	master_outb(0, KEY_IRQ_ENABLE_REG);
 }
 
 void __init config_q40(void)
 {
-    mach_sched_init      = q40_sched_init;
+	mach_sched_init = q40_sched_init;
 
-    mach_init_IRQ        = q40_init_IRQ;
-    mach_gettimeoffset   = q40_gettimeoffset;
-    mach_hwclk           = q40_hwclk;
-    mach_get_ss          = q40_get_ss;
-    mach_get_rtc_pll     = q40_get_rtc_pll;
-    mach_set_rtc_pll     = q40_set_rtc_pll;
-    mach_set_clock_mmss	 = q40_set_clock_mmss;
+	mach_init_IRQ = q40_init_IRQ;
+	mach_gettimeoffset = q40_gettimeoffset;
+	mach_hwclk = q40_hwclk;
+	mach_get_ss = q40_get_ss;
+	mach_get_rtc_pll = q40_get_rtc_pll;
+	mach_set_rtc_pll = q40_set_rtc_pll;
+	mach_set_clock_mmss = q40_set_clock_mmss;
 
-    mach_reset		 = q40_reset;
-    mach_get_model       = q40_get_model;
-    mach_get_hardware_list = q40_get_hardware_list;
+	mach_reset = q40_reset;
+	mach_get_model = q40_get_model;
+	mach_get_hardware_list = q40_get_hardware_list;
 
 #if defined(CONFIG_INPUT_M68K_BEEP) || defined(CONFIG_INPUT_M68K_BEEP_MODULE)
-    mach_beep            = q40_mksound;
+	mach_beep = q40_mksound;
 #endif
 #ifdef CONFIG_HEARTBEAT
-    mach_heartbeat = q40_heartbeat;
+	mach_heartbeat = q40_heartbeat;
 #endif
-    mach_halt = q40_halt;
-
-    /* disable a few things that SMSQ might have left enabled */
-    q40_disable_irqs();
-
-    /* no DMA at all, but ide-scsi requires it.. make sure
-     * all physical RAM fits into the boundary - otherwise
-     * allocator may play costly and useless tricks */
-    mach_max_dma_address = 1024*1024*1024;
-
-    /* useful for early debugging stages - writes kernel messages into SRAM */
-    if (!strncmp( m68k_debug_device,"mem",3 ))
-      {
-	/*printk("using NVRAM debug, q40_mem_cptr=%p\n",q40_mem_cptr);*/
-	_cpleft=2000-((long)q40_mem_cptr-0xff020000)/4;
-	q40_console_driver.write = q40_mem_console_write;
-	register_console(&q40_console_driver);
-      }
+	mach_halt = q40_halt;
+
+	/* disable a few things that SMSQ might have left enabled */
+	q40_disable_irqs();
+
+	/* no DMA at all, but ide-scsi requires it.. make sure
+	 * all physical RAM fits into the boundary - otherwise
+	 * allocator may play costly and useless tricks */
+	mach_max_dma_address = 1024*1024*1024;
 }
 
 
 int q40_parse_bootinfo(const struct bi_record *rec)
 {
-  return 1;
+	return 1;
 }
 
 
-static inline unsigned char bcd2bin (unsigned char b)
+static inline unsigned char bcd2bin(unsigned char b)
 {
-	return ((b>>4)*10 + (b&15));
+	return (b >> 4) * 10 + (b & 15);
 }
 
-static inline unsigned char bin2bcd (unsigned char b)
+static inline unsigned char bin2bcd(unsigned char b)
 {
-	return (((b/10)*16) + (b%10));
+	return (b / 10) * 16 + (b % 10);
 }
 
 
-unsigned long q40_gettimeoffset (void)
+unsigned long q40_gettimeoffset(void)
 {
-    return 5000*(ql_ticks!=0);
+	return 5000 * (ql_ticks != 0);
 }
 
 
@@ -238,9 +250,9 @@ unsigned long q40_gettimeoffset (void)
 
 int q40_hwclk(int op, struct rtc_time *t)
 {
-        if (op)
-	{	/* Write.... */
-	        Q40_RTC_CTRL |= Q40_RTC_WRITE;
+	if (op) {
+		/* Write.... */
+		Q40_RTC_CTRL |= Q40_RTC_WRITE;
 
 		Q40_RTC_SECS = bin2bcd(t->tm_sec);
 		Q40_RTC_MINS = bin2bcd(t->tm_min);
@@ -251,25 +263,23 @@ int q40_hwclk(int op, struct rtc_time *t)
 		if (t->tm_wday >= 0)
 			Q40_RTC_DOW = bin2bcd(t->tm_wday+1);
 
-	        Q40_RTC_CTRL &= ~(Q40_RTC_WRITE);
-	}
-	else
-	{	/* Read....  */
-	  Q40_RTC_CTRL |= Q40_RTC_READ;
-
-	  t->tm_year = bcd2bin (Q40_RTC_YEAR);
-	  t->tm_mon  = bcd2bin (Q40_RTC_MNTH)-1;
-	  t->tm_mday = bcd2bin (Q40_RTC_DATE);
-	  t->tm_hour = bcd2bin (Q40_RTC_HOUR);
-	  t->tm_min  = bcd2bin (Q40_RTC_MINS);
-	  t->tm_sec  = bcd2bin (Q40_RTC_SECS);
-
-	  Q40_RTC_CTRL &= ~(Q40_RTC_READ);
-
-	  if (t->tm_year < 70)
-	    t->tm_year += 100;
-	  t->tm_wday = bcd2bin(Q40_RTC_DOW)-1;
-
+		Q40_RTC_CTRL &= ~(Q40_RTC_WRITE);
+	} else {
+		/* Read....  */
+		Q40_RTC_CTRL |= Q40_RTC_READ;
+
+		t->tm_year = bcd2bin (Q40_RTC_YEAR);
+		t->tm_mon  = bcd2bin (Q40_RTC_MNTH)-1;
+		t->tm_mday = bcd2bin (Q40_RTC_DATE);
+		t->tm_hour = bcd2bin (Q40_RTC_HOUR);
+		t->tm_min  = bcd2bin (Q40_RTC_MINS);
+		t->tm_sec  = bcd2bin (Q40_RTC_SECS);
+
+		Q40_RTC_CTRL &= ~(Q40_RTC_READ);
+
+		if (t->tm_year < 70)
+			t->tm_year += 100;
+		t->tm_wday = bcd2bin(Q40_RTC_DOW)-1;
 	}
 
 	return 0;
@@ -285,29 +295,25 @@ unsigned int q40_get_ss(void)
  * clock is out by > 30 minutes.  Logic lifted from atari code.
  */
 
-int q40_set_clock_mmss (unsigned long nowtime)
+int q40_set_clock_mmss(unsigned long nowtime)
 {
 	int retval = 0;
 	short real_seconds = nowtime % 60, real_minutes = (nowtime / 60) % 60;
 
 	int rtc_minutes;
 
+	rtc_minutes = bcd2bin(Q40_RTC_MINS);
 
-	rtc_minutes = bcd2bin (Q40_RTC_MINS);
-
-	if ((rtc_minutes < real_minutes
-		? real_minutes - rtc_minutes
-			: rtc_minutes - real_minutes) < 30)
-	{
-	        Q40_RTC_CTRL |= Q40_RTC_WRITE;
+	if ((rtc_minutes < real_minutes ?
+	     real_minutes - rtc_minutes :
+	     rtc_minutes - real_minutes) < 30) {
+		Q40_RTC_CTRL |= Q40_RTC_WRITE;
 		Q40_RTC_MINS = bin2bcd(real_minutes);
 		Q40_RTC_SECS = bin2bcd(real_seconds);
 		Q40_RTC_CTRL &= ~(Q40_RTC_WRITE);
-	}
-	else
+	} else
 		retval = -1;
 
-
 	return retval;
 }
 
@@ -318,21 +324,23 @@ int q40_set_clock_mmss (unsigned long nowtime)
 
 static int q40_get_rtc_pll(struct rtc_pll_info *pll)
 {
-	int tmp=Q40_RTC_CTRL;
+	int tmp = Q40_RTC_CTRL;
+
 	pll->pll_value = tmp & Q40_RTC_PLL_MASK;
 	if (tmp & Q40_RTC_PLL_SIGN)
 		pll->pll_value = -pll->pll_value;
-	pll->pll_max=31;
-	pll->pll_min=-31;
-	pll->pll_posmult=512;
-	pll->pll_negmult=256;
-	pll->pll_clock=125829120;
+	pll->pll_max = 31;
+	pll->pll_min = -31;
+	pll->pll_posmult = 512;
+	pll->pll_negmult = 256;
+	pll->pll_clock = 125829120;
+
 	return 0;
 }
 
 static int q40_set_rtc_pll(struct rtc_pll_info *pll)
 {
-	if (!pll->pll_ctrl){
+	if (!pll->pll_ctrl) {
 		/* the docs are a bit unclear so I am doublesetting */
 		/* RTC_WRITE here ... */
 		int tmp = (pll->pll_value & 31) | (pll->pll_value<0 ? 32 : 0) |