Watchdog back-end driver for PC Weasel/PCI serial console and remote
management board. Written by hpeyerl@realweasel.com and thorpej@wasabisystems.com. Requires Weasel firmware v2.04 and later.
This commit is contained in:
hpeyerl
parent
e25a471c87
commit
e59c0dedfb
|
|
@ -0,0 +1,456 @@
|
|||
/* $NetBSD: weasel_pci.c,v 1.1 2002/01/01 16:48:34 hpeyerl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Herb Peyerl and Jason Thorpe.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Device driver for the control space on the Middle Digital, Inc.
|
||||
* PCI-Weasel serial console board.
|
||||
*
|
||||
* Since the other functions of the PCI-Weasel already appear in
|
||||
* PCI configuration space, we just need to hook up the watchdog
|
||||
* timer.
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: weasel_pci.c,v 1.1 2002/01/01 16:48:34 hpeyerl Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/wdog.h>
|
||||
#include <sys/endian.h>
|
||||
|
||||
#include <machine/bus.h>
|
||||
|
||||
#include <dev/pci/pcireg.h>
|
||||
#include <dev/pci/pcivar.h>
|
||||
#include <dev/pci/pcidevs.h>
|
||||
|
||||
#include <dev/pci/weaselreg.h>
|
||||
|
||||
#include <dev/sysmon/sysmonvar.h>
|
||||
|
||||
struct weasel_softc {
|
||||
struct device sc_dev; /* generic device glue */
|
||||
|
||||
bus_space_tag_t sc_st;
|
||||
bus_space_handle_t sc_sh;
|
||||
|
||||
struct sysmon_wdog sc_smw;
|
||||
|
||||
int sc_wdog_armed;
|
||||
int sc_wdog_period;
|
||||
};
|
||||
|
||||
int weasel_pci_match(struct device *, struct cfdata *, void *);
|
||||
void weasel_pci_attach(struct device *, struct device *, void *);
|
||||
extern int sysmon_wdog_setmode(struct sysmon_wdog *, int, u_int);
|
||||
|
||||
struct cfattach weasel_pci_ca = {
|
||||
sizeof(struct weasel_softc), weasel_pci_match, weasel_pci_attach,
|
||||
};
|
||||
|
||||
int weasel_pci_wdog_setmode(struct sysmon_wdog *);
|
||||
int weasel_pci_wdog_tickle(struct sysmon_wdog *);
|
||||
|
||||
int weasel_wait_response(struct weasel_softc *);
|
||||
int weasel_issue_command(struct weasel_softc *, uint8_t cmd);
|
||||
|
||||
int weasel_pci_wdog_arm(struct weasel_softc *);
|
||||
int weasel_pci_wdog_disarm(struct weasel_softc *);
|
||||
|
||||
int weasel_pci_wdog_query_state(struct weasel_softc *);
|
||||
|
||||
int
|
||||
weasel_pci_match(struct device *parent, struct cfdata *cf, void *aux)
|
||||
{
|
||||
struct pci_attach_args *pa = aux;
|
||||
|
||||
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_MIDDLE_DIGITAL &&
|
||||
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MIDDLE_DIGITAL_WEASEL_CONTROL)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
void
|
||||
weasel_pci_attach(struct device *parent, struct device *self, void *aux)
|
||||
{
|
||||
struct weasel_softc *sc = (void *) self;
|
||||
struct pci_attach_args *pa = aux;
|
||||
struct weasel_config_block cfg;
|
||||
const char *vers, *mode;
|
||||
uint8_t v, *cp;
|
||||
uint16_t cfg_size;
|
||||
uint8_t buf[8];
|
||||
|
||||
printf(": PCI-Weasel watchdog timer\n");
|
||||
|
||||
if (pci_mapreg_map(pa, PCI_MAPREG_START,
|
||||
PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
|
||||
&sc->sc_st, &sc->sc_sh, NULL, NULL) != 0) {
|
||||
printf("%s: unable to map device registers\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Ping the Weasel to see if it's alive. */
|
||||
if (weasel_issue_command(sc, OS_CMD_PING)) {
|
||||
printf("%s: Weasel didn't respond to PING\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
return;
|
||||
}
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
if ((v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD)) !=
|
||||
OS_RET_PONG) {
|
||||
printf("%s: unexpected PING response from Weasel: 0x%02x\n",
|
||||
sc->sc_dev.dv_xname, v);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Read the config block. */
|
||||
if (weasel_issue_command(sc, OS_CMD_SHOW_CONFIG)) {
|
||||
printf("%s: Weasel didn't respond to SHOW_CONFIG\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
return;
|
||||
}
|
||||
cfg_size = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
|
||||
if (++cfg_size != sizeof(cfg)) {
|
||||
printf("%s: weird config block size from Weasel: 0x%03x\n",
|
||||
sc->sc_dev.dv_xname, cfg_size);
|
||||
return;
|
||||
}
|
||||
|
||||
for (cp = (uint8_t *) &cfg; cfg_size != 0; cfg_size--) {
|
||||
if (weasel_wait_response(sc)) {
|
||||
printf("%s: Weasel stopped providing config block(%d)\n",
|
||||
sc->sc_dev.dv_xname, cfg_size);
|
||||
return;
|
||||
}
|
||||
*cp++ = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
}
|
||||
|
||||
switch (cfg.cfg_version) {
|
||||
case CFG_VERSION_2:
|
||||
vers="2";
|
||||
switch (cfg.enable_duart_switching) {
|
||||
case 0:
|
||||
mode = "emulation";
|
||||
break;
|
||||
case 1:
|
||||
mode = "serial";
|
||||
break;
|
||||
case 2:
|
||||
mode = "autoswitch";
|
||||
break;
|
||||
default:
|
||||
mode = "unknown";
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
vers = mode = NULL;
|
||||
}
|
||||
|
||||
if (vers != NULL)
|
||||
printf("%s: %s mode\n", sc->sc_dev.dv_xname,
|
||||
mode);
|
||||
else
|
||||
printf("%s: unknown config version 0x%02x\n", sc->sc_dev.dv_xname,
|
||||
cfg.cfg_version);
|
||||
|
||||
/*
|
||||
* Fetch sw version.
|
||||
*/
|
||||
if (weasel_issue_command(sc, OS_CMD_QUERY_SW_VER)) {
|
||||
printf("%s: didn't reply to software version query.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
}
|
||||
else {
|
||||
v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
if (v>7)
|
||||
printf("%s: weird length for version string(%d).\n",
|
||||
sc->sc_dev.dv_xname, v);
|
||||
bzero(buf, sizeof(buf));
|
||||
for (cp = buf; v != 0; v--) {
|
||||
if (weasel_wait_response(sc)) {
|
||||
printf("%s: Weasel stopped providing version\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
}
|
||||
*cp++ = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
}
|
||||
printf("%s: sw: %s", sc->sc_dev.dv_xname, buf);
|
||||
}
|
||||
/*
|
||||
* Fetch logic version.
|
||||
*/
|
||||
if (weasel_issue_command(sc, OS_CMD_QUERY_L_VER)) {
|
||||
printf("\n%s: didn't reply to logic version query.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
}
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
printf(" logic: %03d", v);
|
||||
/*
|
||||
* Fetch vga bios version.
|
||||
*/
|
||||
if (weasel_issue_command(sc, OS_CMD_QUERY_VB_VER)) {
|
||||
printf("\n%s: didn't reply to vga bios version query.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
}
|
||||
v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
printf(" vga bios: %d.%d", (v>>4), (v&0x0f));
|
||||
/*
|
||||
* Fetch hw version.
|
||||
*/
|
||||
if (weasel_issue_command(sc, OS_CMD_QUERY_HW_VER)) {
|
||||
printf("\n%s: didn't reply to hardware version query.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
}
|
||||
v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
printf(" hw: %d.%d", (v>>4), (v&0x0f));
|
||||
|
||||
printf("\n%s: break passthrough %s", sc->sc_dev.dv_xname,
|
||||
cfg.break_passthru ? "enabled" : "disabled");
|
||||
|
||||
if ((sc->sc_wdog_armed = weasel_pci_wdog_query_state(sc)) == -1)
|
||||
sc->sc_wdog_armed = 0;
|
||||
|
||||
/* Weasel is big-endian */
|
||||
sc->sc_wdog_period = be16toh(cfg.wdt_msec) / 1000;
|
||||
|
||||
printf(", watchdog timer %d sec.\n", sc->sc_wdog_period);
|
||||
sc->sc_smw.smw_name = "weasel";
|
||||
sc->sc_smw.smw_cookie = sc;
|
||||
sc->sc_smw.smw_setmode = weasel_pci_wdog_setmode;
|
||||
sc->sc_smw.smw_tickle = weasel_pci_wdog_tickle;
|
||||
sc->sc_smw.smw_period = sc->sc_wdog_period;
|
||||
|
||||
if (sysmon_wdog_register(&sc->sc_smw) != 0)
|
||||
printf("%s: unable to register PC-Weasel watchdog "
|
||||
"with sysmon\n", sc->sc_dev.dv_xname);
|
||||
}
|
||||
|
||||
int
|
||||
weasel_wait_response(struct weasel_softc *sc)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 10000; i ; i--) {
|
||||
delay(100);
|
||||
if (bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS) ==
|
||||
OS_WS_HOST_READ)
|
||||
return(0);
|
||||
}
|
||||
return (1);
|
||||
}
|
||||
|
||||
int
|
||||
weasel_issue_command(struct weasel_softc *sc, uint8_t cmd)
|
||||
{
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_WR, cmd);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_HOST_STATUS, OS_HS_WEASEL_READ);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
return (weasel_wait_response(sc));
|
||||
}
|
||||
|
||||
int
|
||||
weasel_pci_wdog_setmode(struct sysmon_wdog *smw)
|
||||
{
|
||||
struct weasel_softc *sc = smw->smw_cookie;
|
||||
int error = 0;
|
||||
|
||||
if ((smw->smw_mode & WDOG_MODE_MASK) == WDOG_MODE_DISARMED) {
|
||||
error = weasel_pci_wdog_disarm(sc);
|
||||
} else {
|
||||
if (smw->smw_period == WDOG_PERIOD_DEFAULT)
|
||||
smw->smw_period = sc->sc_wdog_period;
|
||||
else if (smw->smw_period != sc->sc_wdog_period) {
|
||||
/* Can't change the period on the Weasel. */
|
||||
return (EINVAL);
|
||||
}
|
||||
error = weasel_pci_wdog_arm(sc);
|
||||
weasel_pci_wdog_tickle(smw);
|
||||
}
|
||||
|
||||
return (error);
|
||||
}
|
||||
|
||||
int
|
||||
weasel_pci_wdog_tickle(struct sysmon_wdog *smw)
|
||||
{
|
||||
struct weasel_softc *sc = smw->smw_cookie;
|
||||
u_int8_t reg;
|
||||
int x;
|
||||
int s;
|
||||
int error = 0;
|
||||
|
||||
s = splhigh();
|
||||
/*
|
||||
* first we tickle the watchdog
|
||||
*/
|
||||
reg = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_CHALLENGE);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_RESPONSE, ~reg);
|
||||
|
||||
/*
|
||||
* then we check to make sure the weasel is still armed. If someone
|
||||
* has rebooted the weasel for whatever reason (firmware update),
|
||||
* then the watchdog timer would no longer be armed and we'd be
|
||||
* servicing nothing. Let the user know that the machine is no
|
||||
* longer being monitored by the weasel.
|
||||
*/
|
||||
if((x = weasel_pci_wdog_query_state(sc)) == -1)
|
||||
error = EIO;
|
||||
if (x == 1) {
|
||||
error = 0;
|
||||
} else {
|
||||
printf("%s: Watchdog timer disabled on PC/Weasel! Disarming wdog.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
sc->sc_wdog_armed = 0;
|
||||
sysmon_wdog_setmode(smw, WDOG_MODE_DISARMED, 0);
|
||||
error = 1;
|
||||
}
|
||||
splx(s);
|
||||
|
||||
return (error);
|
||||
}
|
||||
|
||||
int
|
||||
weasel_pci_wdog_arm(struct weasel_softc *sc)
|
||||
{
|
||||
u_int8_t reg;
|
||||
int x;
|
||||
int s;
|
||||
int error = 0;
|
||||
|
||||
s = splhigh();
|
||||
if (weasel_issue_command(sc, OS_CMD_WDT_ENABLE)) {
|
||||
printf("%s: no reply to watchdog enable. Check Weasel \"Allow Watchdog\" setting.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
error = EIO;
|
||||
}
|
||||
reg = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
|
||||
/*
|
||||
* Ensure that the Weasel thinks it's in the same mode we want it to
|
||||
* be in. EIO if not.
|
||||
*/
|
||||
x = weasel_pci_wdog_query_state(sc);
|
||||
switch (x) {
|
||||
case -1:
|
||||
error = EIO;
|
||||
break;
|
||||
case 0:
|
||||
sc->sc_wdog_armed = 0;
|
||||
error = EIO;
|
||||
break;
|
||||
case 1:
|
||||
sc->sc_wdog_armed = 1;
|
||||
error = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
splx(s);
|
||||
return(error);
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
weasel_pci_wdog_disarm(struct weasel_softc *sc)
|
||||
{
|
||||
u_int8_t reg;
|
||||
int x;
|
||||
int s;
|
||||
int error = 0;
|
||||
|
||||
s = splhigh();
|
||||
|
||||
if (weasel_issue_command(sc, OS_CMD_WDT_DISABLE)) {
|
||||
printf("%s: didn't reply to watchdog disable.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
error = EIO;
|
||||
}
|
||||
reg = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
|
||||
/*
|
||||
* Ensure that the Weasel thinks it's in the same mode we want it to
|
||||
* be in. EIO if not.
|
||||
*/
|
||||
x = weasel_pci_wdog_query_state(sc);
|
||||
switch (x) {
|
||||
case -1:
|
||||
error = EIO;
|
||||
break;
|
||||
case 0:
|
||||
sc->sc_wdog_armed = 0;
|
||||
error = 0;
|
||||
break;
|
||||
case 1:
|
||||
sc->sc_wdog_armed = 1;
|
||||
error = EIO;
|
||||
break;
|
||||
}
|
||||
|
||||
splx(s);
|
||||
return(error);
|
||||
}
|
||||
|
||||
int
|
||||
weasel_pci_wdog_query_state(struct weasel_softc *sc)
|
||||
{
|
||||
|
||||
u_int8_t v;
|
||||
|
||||
if (weasel_issue_command(sc, OS_CMD_WDT_QUERY)) {
|
||||
printf("%s: didn't reply to watchdog state query.\n",
|
||||
sc->sc_dev.dv_xname);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
return(-1);
|
||||
}
|
||||
v = bus_space_read_1(sc->sc_st, sc->sc_sh, WEASEL_DATA_RD);
|
||||
bus_space_write_1(sc->sc_st, sc->sc_sh, WEASEL_STATUS, 0);
|
||||
return(v);
|
||||
}
|
||||
|
|
@ -0,0 +1,100 @@
|
|||
/* $NetBSD: weaselreg.h,v 1.1 2002/01/01 16:48:34 hpeyerl Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2001 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Herb Peyerl and Jason Thorpe.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the NetBSD
|
||||
* Foundation, Inc. and its contributors.
|
||||
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
|
||||
#ifndef _DEV_PCI_WEASELREG_H_
|
||||
#define _DEV_PCI_WEASELREG_H_
|
||||
|
||||
/*
|
||||
* PCI-Weasel configuration block.
|
||||
*/
|
||||
#define CFG_VERSION_2 0x02
|
||||
struct weasel_config_block {
|
||||
uint8_t cfg_version; /* version of config */
|
||||
uint8_t weasel_attn; /* attention character */
|
||||
uint8_t debug; /* debug level */
|
||||
uint8_t reset_pc_on_boot; /* reset PC Weasel on boot */
|
||||
uint8_t duart_baud; /* UART baud rate */
|
||||
uint8_t duart_parity; /* 0=none, 1=even, 2=odd */
|
||||
uint8_t duart_bits; /* 7 or 8 */
|
||||
uint8_t enable_duart_switching; /* UART switching mode */
|
||||
uint8_t wdt_allow; /* WDOG is allowed */
|
||||
uint16_t wdt_msec; /* WDOG period in msec. */
|
||||
uint8_t duart_flow; /* RTS/CTS enabled */
|
||||
uint8_t break_passthru; /* BRK passed through to 16550 */
|
||||
uint8_t serial_number[10]; /* board serial number */
|
||||
uint8_t default_partition; /* default Weasel boot image */
|
||||
uint8_t color; /* use color */
|
||||
uint8_t future_use[229]; /* reserved for future use */
|
||||
uint8_t cksum; /* always last element. */
|
||||
};
|
||||
|
||||
#define WEASEL_DATA_RD 0x00
|
||||
#define OS_RET_WDT_ACTIVE 0x01
|
||||
#define OS_RET_WDT_INACTIVE 0x02
|
||||
#define OS_RET_PONG 0x03
|
||||
|
||||
#define WEASEL_DATA_WR 0x01
|
||||
#define OS_CMD_WDT_ENABLE 0x01
|
||||
#define OS_CMD_WDT_DISABLE 0x02
|
||||
#define OS_CMD_WDT_QUERY 0x03
|
||||
#define OS_CMD_SHOW_CONFIG 0x04
|
||||
#define OS_CMD_QUERY_SW_VER 0x05
|
||||
#define OS_CMD_QUERY_HW_VER 0x06
|
||||
#define OS_CMD_QUERY_L_VER 0x07
|
||||
#define OS_CMD_PING 0x08
|
||||
#define OS_CMD_QUERY_VB_VER 0x09
|
||||
#define OS_CMD_QUERT_BR_VER 0x0a
|
||||
#define OS_CMD_RESET_SM 0xff
|
||||
|
||||
#define WEASEL_STATUS 0x02
|
||||
#define OS_WS_HOST_WRITE 0x00
|
||||
#define OS_WS_HOST_READ 0x01
|
||||
#define OS_WS_WDT_RDY 0x02
|
||||
#define OS_WS_BUSY 0xff
|
||||
|
||||
#define WEASEL_HOST_STATUS 0x03
|
||||
#define OS_HS_WEASEL_WRITE 0x00
|
||||
#define OS_HS_WEASEL_READ 0x01
|
||||
#define OS_HS_WDT_RDY 0x02
|
||||
|
||||
#define WEASEL_CHALLENGE 0x04
|
||||
|
||||
#define WEASEL_RESPONSE 0x05
|
||||
|
||||
#endif /* _DEV_PCI_WEASELREG_H_ */
|
||||
Loading…
Reference in New Issue