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Add support for /dev/led/error on Soekris Net4801.

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This commit is contained in:
Poul-Henning Kamp 2004-02-28 13:15:53 +00:00
parent 59e758846f
commit 1b4a8b8cfc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=126349
1 changed files with 48 additions and 14 deletions
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62
sys/i386/i386/geode.c
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@ -1,5 +1,5 @@
/*-
* Copyright (c) 2003 Poul-Henning Kamp
* Copyright (c) 2003-2004 Poul-Henning Kamp
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -10,9 +10,6 @@
* 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. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
@ -35,11 +32,36 @@ __FBSDID("$FreeBSD$");
#include <sys/timetc.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include "opt_cpu.h"
static unsigned cba;
static unsigned gpio;
static unsigned geode_counter;
#ifdef CPU_SOEKRIS
#include <dev/led/led.h>
static dev_t errorled;
static void
err_led(void *unused, int onoff)
{
uint32_t u;
u = inl(gpio + 4);
if (onoff)
u |= 1 << 20;
else
u &= ~(1 << 20);
outl(gpio, u);
}
#endif
static unsigned
geode_get_timecount(struct timecounter *tc)
{
@ -55,20 +77,32 @@ static struct timecounter geode_timecounter = {
1000
};
static int
geode_probe(device_t self)
{
if (pci_get_devid(self) != 0x0515100b)
return (ENXIO);
if (geode_counter != 0)
return (ENXIO);
cba = pci_read_config(self, 0x64, 4);
printf("Geode CBA@ 0x%x\n", cba);
geode_counter = cba + 0x08;
outl(cba + 0x0d, 2);
tc_init(&geode_timecounter);
if (pci_get_devid(self) == 0x0515100b) {
if (geode_counter == 0) {
/*
* The address of the CBA is written to this register
* by the bios, see p161 in data sheet.
*/
cba = pci_read_config(self, 0x64, 4);
printf("Geode CBA@ 0x%x\n", cba);
geode_counter = cba + 0x08;
outl(cba + 0x0d, 2);
printf("Geode rev: %02x %02x\n",
inb(cba + 0x3c), inb(cba + 0x3d));
tc_init(&geode_timecounter);
}
} else if (pci_get_devid(self) == 0x0510100b) {
gpio = pci_read_config(self, PCIR_BAR(0), 4);
gpio &= ~0x1f;
printf("Geode GPIO@ = %x\n", gpio);
#ifdef CPU_SOEKRIS
errorled = led_create(err_led, NULL, "error");
#endif
}
return (ENXIO);
}