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NVRAM read/write functions.

This commit is contained in:
tsubai 1999-06-22 13:12:11 +00:00
parent ab68dc3e40
commit a2ded1ab73
2 changed files with 42 additions and 6 deletions
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39
sys/arch/macppc/dev/pm_direct.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pm_direct.c,v 1.4 1999/06/22 11:29:11 tsubai Exp $ */
/* $NetBSD: pm_direct.c,v 1.5 1999/06/22 13:12:11 tsubai Exp $ */
/*
* Copyright (C) 1997 Takashi Hamada
@ -96,8 +96,8 @@ signed char pm_send_cmd_type[] = {
0x00, 0x00, -1, -1, -1, -1, -1, 0x00,
-1, 0x00, 0x02, 0x01, 0x01, -1, -1, -1,
0x00, -1, -1, -1, -1, -1, -1, -1,
0x04, 0x14, -1, -1, -1, -1, -1, -1,
0x00, 0x00, 0x02, -1, -1, -1, -1, -1,
0x04, 0x14, -1, 0x03, -1, -1, -1, -1,
0x00, 0x00, 0x02, 0x02, -1, -1, -1, -1,
0x01, 0x01, -1, -1, -1, -1, -1, -1,
0x00, 0x00, -1, -1, -1, -1, -1, -1,
0x01, 0x00, 0x02, 0x02, -1, 0x01, 0x03, 0x01,
@ -133,7 +133,7 @@ signed char pm_receive_cmd_type[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-1, -1, -1, -1, -1, -1, -1, -1,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x05, 0x15, -1, -1, -1, -1, -1, -1,
0x05, 0x15, -1, 0x02, -1, -1, -1, -1,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x02, -1, -1, -1, -1, -1, -1,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@ -1199,3 +1199,34 @@ pm_set_date_time(time)
bcopy(&time, p.data, 4);
pmgrop(&p);
}
int
pm_read_nvram(addr)
int addr;
{
PMData p;
p.command = PMU_READ_NVRAM;
p.num_data = 2;
p.s_buf = p.r_buf = p.data;
p.data[0] = addr >> 8;
p.data[1] = addr;
pmgrop(&p);
return p.data[0];
}
void
pm_write_nvram(addr, val)
int addr, val;
{
PMData p;
p.command = PMU_WRITE_NVRAM;
p.num_data = 3;
p.s_buf = p.r_buf = p.data;
p.data[0] = addr >> 8;
p.data[1] = addr;
p.data[2] = val;
pmgrop(&p);
}

9
sys/arch/macppc/dev/pm_direct.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: pm_direct.h,v 1.2 1999/06/16 07:43:58 tsubai Exp $ */
/* $NetBSD: pm_direct.h,v 1.3 1999/06/22 13:12:11 tsubai Exp $ */
/*
* Copyright (C) 1997 Takashi Hamada
@ -44,7 +44,12 @@ typedef struct {
char data[32]; /* data buffer (is it too much?) */
} PMData;
int pmgrop(PMData *);
int pmgrop __P((PMData *));
void pm_adb_restart __P((void));
void pm_read_date_time __P((u_long *));
void pm_set_date_time __P((u_long));
int pm_read_nvram __P((int));
void pm_write_nvram __P((int, int));
/* PMU commands */
#define PMU_POWER_OFF 0x7e /* Turn Power off */