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arm32 kernel source restructure 

- New home for the rtc driver now that the mainbus specific attachments
    have been removed.
  - This device will now parent a time-of-day clock device.
This commit is contained in:
mark 1997-10-14 19:07:20 +00:00
parent f15981dab6
commit 29f92bde4f
1 changed files with 38 additions and 20 deletions
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58
sys/arch/arm32/dev/rtc.c
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@ -1,4 +1,4 @@
/* $NetBSD: rtc.c,v 1.6 1997/01/06 04:47:59 mark Exp $ */
/* $NetBSD: rtc.c,v 1.7 1997/10/14 19:07:20 mark Exp $ */
/*
* Copyright (c) 1994-1996 Mark Brinicombe.
@ -49,8 +49,9 @@
#include <sys/conf.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <machine/iic.h>
#include <machine/rtc.h>
#include <arm32/dev/iic.h>
#include <arm32/dev/todclockvar.h>
struct rtc_softc {
struct device sc_dev;
@ -60,7 +61,7 @@ struct rtc_softc {
};
void rtcattach __P((struct device *parent, struct device *self, void *aux));
int rtcmatch __P((struct device *parent, void *match, void *aux));
int rtcmatch __P((struct device *parent, struct cfdata *cf, void *aux));
/* Read a byte from CMOS RAM */
@ -156,7 +157,7 @@ rtc_write(rtc)
buff[0] = 1;
buff[1] = dectohexdec(rtc->rtc_centi);
/* buff[1] = dectohexdec(rtc->rtc_centi);
buff[2] = dectohexdec(rtc->rtc_sec);
buff[3] = dectohexdec(rtc->rtc_min);
buff[4] = dectohexdec(rtc->rtc_hour) & 0x3f;
@ -166,9 +167,12 @@ rtc_write(rtc)
if (iic_control(RTC_Write, buff, 7))
return(0);
cmos_write(RTC_ADDR_YEAR, rtc->rtc_year);
cmos_write(RTC_ADDR_CENT, rtc->rtc_cen);
if (cmos_write(RTC_ADDR_YEAR, rtc->rtc_year))
returm(0);
if (cmos_write(RTC_ADDR_CENT, rtc->rtc_cen))
return(0);
*/
printf("rtc_write: Currently disabled\n");
return(1);
}
@ -217,6 +221,7 @@ rtc_read(rtc)
return(1);
}
/* device and attach structures */
struct cfattach rtc_ca = {
sizeof(struct rtc_softc), rtcmatch, rtcattach
@ -226,17 +231,31 @@ struct cfdriver rtc_cd = {
NULL, "rtc", DV_DULL, 0
};
/*
* rtcmatch()
*
* Validate the IIC address to make sure its an RTC we understand
*/
int
rtcmatch(parent, match, aux)
rtcmatch(parent, cf, aux)
struct device *parent;
void *match;
struct cfdata *cf;
void *aux;
{
/* struct iicbus_attach_args *ib = aux;*/
struct iicbus_attach_args *ib = aux;
return(1);
if ((ib->ib_addr & IIC_PCF8583_MASK) == IIC_PCF8583_ADDR)
return(1);
return(0);
}
/*
* rtcattach()
*
* Attach the rtc device
*/
void
rtcattach(parent, self, aux)
@ -247,11 +266,14 @@ rtcattach(parent, self, aux)
struct rtc_softc *sc = (struct rtc_softc *)self;
struct iicbus_attach_args *ib = aux;
u_char buff[1];
struct todclock_attach_args ta;
sc->sc_flags |= RTC_BROKEN;
if ((ib->ib_addr & IIC_PCF8583_MASK) == IIC_PCF8583_ADDR) {
printf(": PCF8583");
/* Read RTC register 0 and report info found */
buff[0] = 0;
if (iic_control(RTC_Write, buff, 1))
@ -283,16 +305,12 @@ rtcattach(parent, self, aux)
sc->sc_flags &= ~RTC_BROKEN;
}
/*
* Initialise the time of day register.
* This is normally left to the filing system to do but not all
* filing systems call it e.g. cd9660
*/
inittodr(0);
printf("\n");
ta.ta_name = "todclock";
ta.ta_rtc_write = rtc_write;
ta.ta_rtc_read = rtc_read;
config_found(self, &ta, NULL);
}