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add mcclock_poweroff()

This commit is contained in:
macallan 2007-09-26 05:50:02 +00:00
parent 742b607737
commit 4a60b0ecfe
2 changed files with 42 additions and 4 deletions
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4
sys/arch/sgimips/mace/files.mace
View File

@ -1,4 +1,4 @@
# $NetBSD: files.mace,v 1.8 2007/04/13 03:39:44 jmcneill Exp $
# $NetBSD: files.mace,v 1.9 2007/09/26 05:50:02 macallan Exp $
device mace {[offset = -1], [intr = -1], [intrmask = 0] }
attach mace at mainbus
@ -16,7 +16,7 @@ file arch/sgimips/mace/macekbc.c macekbc
device mcclock
attach mcclock at mace with mcclock_mace
file arch/sgimips/mace/mcclock_mace.c mcclock_mace
file arch/sgimips/mace/mcclock_mace.c mcclock_mace needs-flag
device mec: arp, ether, ifnet, mii
attach mec at mace

42
sys/arch/sgimips/mace/mcclock_mace.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: mcclock_mace.c,v 1.6 2007/07/24 14:41:29 pooka Exp $ */
/* $NetBSD: mcclock_mace.c,v 1.7 2007/09/26 05:50:02 macallan Exp $ */
/*
* Copyright (c) 2001 Antti Kantee. All Rights Reserved.
@ -65,7 +65,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: mcclock_mace.c,v 1.6 2007/07/24 14:41:29 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: mcclock_mace.c,v 1.7 2007/09/26 05:50:02 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -91,6 +91,8 @@ struct mcclock_mace_softc {
bus_space_handle_t sc_sh;
};
static struct mcclock_mace_softc *mace0 = NULL;
static int mcclock_mace_match(struct device *, struct cfdata *, void *);
static void mcclock_mace_attach(struct device*, struct device *, void *);
@ -102,6 +104,9 @@ static int mcclock_mace_settime(struct todr_chip_handle *,
unsigned int ds1687_read(void *arg, unsigned int addr);
void ds1687_write(void *arg, unsigned int addr, unsigned int data);
void mcclock_poweroff(void);
CFATTACH_DECL(mcclock_mace, sizeof(struct mcclock_mace_softc),
mcclock_mace_match, mcclock_mace_attach, NULL, NULL);
@ -145,6 +150,7 @@ mcclock_mace_attach(struct device *parent, struct device *self, void *aux)
sc->sc_todrch.todr_setwen = NULL;
todr_attach(&sc->sc_todrch);
mace0 = sc;
}
/*
@ -231,3 +237,35 @@ mcclock_mace_settime(struct todr_chip_handle *todrch,
return (0);
}
void
mcclock_poweroff()
{
int s;
uint8_t a, xctl_a, xctl_b;
if (mace0 == NULL)
return;
s = splhigh();
a = ds1687_read(mace0, DS1687_CONTROLA);
a &= ~DS1687_DV2;
a |= DS1687_DV1;
ds1687_write(mace0, DS1687_CONTROLA, a | DS1687_BANK1);
wbflush();
xctl_b = ds1687_read(mace0, DS1687_BANK1_XCTRL4B);
xctl_b |= DS1687_X4B_ABE | DS1687_X4B_KIE;
ds1687_write(mace0, DS1687_BANK1_XCTRL4B, xctl_b);
xctl_a = ds1687_read(mace0, DS1687_BANK1_XCTRL4A);
xctl_a &= ~(DS1687_X4A_RCF | DS1687_X4A_WAF | DS1687_X4A_KF);
ds1687_write(mace0, DS1687_BANK1_XCTRL4A, xctl_a);
wbflush();
/* and down we go */
ds1687_write(mace0, DS1687_BANK1_XCTRL4A, xctl_a | DS1687_X4A_PAB);
ds1687_write(mace0, DS1687_CONTROLA, a);
wbflush();
while(1);
}