Move existing boards into subdits split per arch

1 files changed, 0 insertions, 369 deletions

diff --git a/os/cerf405/devrtc.c b/os/cerf405/devrtc.c
deleted file mode 100644
index f743f1e0..00000000
--- a/os/cerf405/devrtc.c
+++ /dev/null
@@ -1,369 +0,0 @@
-/*
- *	DS1339 Timekeeper (on I2C)
- */
-
-#include	"u.h"
-#include	"../port/lib.h"
-#include	"mem.h"
-#include	"dat.h"
-#include	"fns.h"
-#include	"../port/error.h"
-
-#include	"io.h"
-
-typedef struct Rtc	Rtc;
-typedef struct Rtcreg	Rtcreg;
-
-struct Rtc
-{
-	int	sec;
-	int	min;
-	int	hour;
-	int	wday;
-	int	mday;
-	int	mon;
-	int	year;
-};
-
-struct Rtcreg
-{
-	uchar	sec;
-	uchar	min;
-	uchar	hour;
-	uchar	wday;	/* 1=Sun */
-	uchar	mday;	/* 00-31 */
-	uchar	mon;	/* 1-12 */
-	uchar	year;
-};
-
-enum{
-	Qdir = 0,
-	Qrtc,
-
-	Rtclen=	7,		/* bytes read and written to timekeeper */
-};
-
-static QLock	rtclock;		/* mutex on nvram operations */
-static I2Cdev	rtdev;
-
-static Dirtab rtcdir[]={
-	".",		{Qdir, 0, QTDIR},	0,	DMDIR|0555,
-	"rtc",		{Qrtc, 0},	0,	0664,
-};
-
-static ulong	rtc2sec(Rtc*);
-static void	sec2rtc(ulong, Rtc*);
-static void	setrtc(Rtc*);
-
-static void
-rtcreset(void)
-{
-	rtdev.addr = 0x68;
-	rtdev.salen = 1;
-	i2csetup(1);
-}
-
-static Chan*
-rtcattach(char *spec)
-{
-	return devattach('r', spec);
-}
-
-static Walkqid*
-rtcwalk(Chan *c, Chan *nc, char **name, int nname)
-{
-	return devwalk(c, nc, name, nname, rtcdir, nelem(rtcdir), devgen);
-}
-
-static int	 
-rtcstat(Chan *c, uchar *dp, int n)
-{
-	return devstat(c, dp, n, rtcdir, nelem(rtcdir), devgen);
-}
-
-static Chan*
-rtcopen(Chan *c, int omode)
-{
-	omode = openmode(omode);
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		if(strcmp(up->env->user, eve)!=0 && omode!=OREAD)
-			error(Eperm);
-		break;
-	}
-	return devopen(c, omode, rtcdir, nelem(rtcdir), devgen);
-}
-
-static void	 
-rtcclose(Chan*)
-{
-}
-
-static long	 
-rtcread(Chan *c, void *buf, long n, vlong offset)
-{
-	ulong t, ot;
-
-	if(c->qid.type & QTDIR)
-		return devdirread(c, buf, n, rtcdir, nelem(rtcdir), devgen);
-
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		qlock(&rtclock);
-		t = rtctime();
-		do{
-			ot = t;
-			t = rtctime();	/* make sure there's no skew */
-		}while(t != ot);
-		qunlock(&rtclock);
-		return readnum(offset, buf, n, t, 12);
-	}
-	error(Egreg);
-	return -1;		/* never reached */
-}
-
-static long	 
-rtcwrite(Chan *c, void *buf, long n, vlong off)
-{
-	Rtc rtc;
-	ulong secs;
-	char *cp, sbuf[32];
-	ulong offset = off;
-
-	switch((ulong)c->qid.path){
-	case Qrtc:
-		if(offset!=0 || n >= sizeof(sbuf)-1)
-			error(Ebadarg);
-		memmove(sbuf, buf, n);
-		sbuf[n] = '\0';
-		/*
-		 *  read the time
-		 */
-		cp = sbuf;
-		while(*cp){
-			if(*cp>='0' && *cp<='9')
-				break;
-			cp++;
-		}
-		secs = strtoul(cp, 0, 0);
-		/*
-		 *  convert to bcd
-		 */
-		sec2rtc(secs, &rtc);
-		/*
-		 * write it
-		 */
-		setrtc(&rtc);
-		return n;
-	}
-	error(Egreg);
-	return -1;		/* never reached */
-}
-
-Dev rtcdevtab = {
-	'r',
-	"rtc",
-
-	rtcreset,
-	devinit,
-	devshutdown,
-	rtcattach,
-	rtcwalk,
-	rtcstat,
-	rtcopen,
-	devcreate,
-	rtcclose,
-	rtcread,
-	devbread,
-	rtcwrite,
-	devbwrite,
-	devremove,
-	devwstat,
-};
-
-static int
-getbcd(int bcd)
-{
-	return (bcd&0x0f) + 10 * (bcd>>4);
-}
-
-static int
-putbcd(int val)
-{
-	return (val % 10) | (((val/10) % 10) << 4);
-}
-
-long	 
-rtctime(void)
-{
-	Rtc rtc;
-	Rtcreg d;
-	int h;
-
-	if(waserror()){
-		iprint("rtc: err %s\n", up->env->errstr);
-		return 0;
-	}
-	if(i2crecv(&rtdev, &d, Rtclen, 0) != Rtclen)
-		return 0;
-	poperror();
-	rtc.sec = getbcd(d.sec);
-	rtc.min = getbcd(d.min);
-	if(d.hour & (1<<6)){	/* 12 hour clock */
-		h = d.hour & 0x1F;
-		if(d.hour & (1<<5))
-			h += 0x12;
-		rtc.hour = getbcd(h);
-	}else
-		rtc.hour = getbcd(d.hour);
-	rtc.mday = getbcd(d.mday);
-	rtc.mon = getbcd(d.mon & 0x7f);
-	rtc.year = getbcd(d.year);
-	if(rtc.mon < 1 || rtc.mon > 12)
-		return 0;
-	if(d.mon & (1<<7))
-		rtc.year += 2000;
-	else
-		rtc.year += 1900;
-	return rtc2sec(&rtc);
-}
-
-static void
-setrtc(Rtc *rtc)
-{
-	Rtcreg d;
-
-	memset(&d, 0, sizeof(d));
-	d.year = putbcd(rtc->year % 100);
-	d.mon = putbcd(rtc->mon);
-	if(rtc->year >= 2000)
-		d.mon |= 1<<7;
-	d.wday = rtc->wday+1;
-	d.mday = putbcd(rtc->mday);
-	d.hour = putbcd(rtc->hour);
-	d.min = putbcd(rtc->min);
-	d.sec = putbcd(rtc->sec);
-	i2csend(&rtdev, &d, Rtclen, 0);
-}
-
-#define SEC2MIN 60L
-#define SEC2HOUR (60L*SEC2MIN)
-#define SEC2DAY (24L*SEC2HOUR)
-
-/*
- *  days per month plus days/year
- */
-static	int	dmsize[] =
-{
-	365, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-static	int	ldmsize[] =
-{
-	366, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
-};
-
-/*
- *  return the days/month for the given year
- */
-static int *
-yrsize(int y)
-{
-
-	if((y%4) == 0 && ((y%100) != 0 || (y%400) == 0))
-		return ldmsize;
-	else
-		return dmsize;
-}
-
-/*
- *  compute seconds since Jan 1 1970
- */
-static ulong
-rtc2sec(Rtc *rtc)
-{
-	ulong secs;
-	int i;
-	int *d2m;
-
-	secs = 0;
-
-	/*
-	 *  seconds per year
-	 */
-	for(i = 1970; i < rtc->year; i++){
-		d2m = yrsize(i);
-		secs += d2m[0] * SEC2DAY;
-	}
-
-	/*
-	 *  seconds per month
-	 */
-	d2m = yrsize(rtc->year);
-	for(i = 1; i < rtc->mon; i++)
-		secs += d2m[i] * SEC2DAY;
-
-	secs += (rtc->mday-1) * SEC2DAY;
-	secs += rtc->hour * SEC2HOUR;
-	secs += rtc->min * SEC2MIN;
-	secs += rtc->sec;
-
-	return secs;
-}
-
-/*
- *  compute rtc from seconds since Jan 1 1970
- */
-static void
-sec2rtc(ulong secs, Rtc *rtc)
-{
-	int d;
-	long hms, day;
-	int *d2m;
-
-	/*
-	 * break initial number into days
-	 */
-	hms = secs % SEC2DAY;
-	day = secs / SEC2DAY;
-	if(hms < 0) {
-		hms += SEC2DAY;
-		day -= 1;
-	}
-
-	/*
-	 * day is the day number.
-	 * generate day of the week.
-	 * The addend is 4 mod 7 (1/1/1970 was Thursday)
-	 */
-
-	rtc->wday = (day + 7340036L) % 7;
-
-	/*
-	 * generate hours:minutes:seconds
-	 */
-	rtc->sec = hms % 60;
-	d = hms / 60;
-	rtc->min = d % 60;
-	d /= 60;
-	rtc->hour = d;
-
-	/*
-	 * year number
-	 */
-	if(day >= 0)
-		for(d = 1970; day >= *yrsize(d); d++)
-			day -= *yrsize(d);
-	else
-		for (d = 1970; day < 0; d--)
-			day += *yrsize(d-1);
-	rtc->year = d;
-
-	/*
-	 * generate month
-	 */
-	d2m = yrsize(rtc->year);
-	for(d = 1; day >= d2m[d]; d++)
-		day -= d2m[d];
-	rtc->mday = day + 1;
-	rtc->mon = d;
-}