implement `options BLINK' for sparc64 for ebus & sbus. tested on a U2
(sbus) and a U5 (ebus).
This commit is contained in:
mrg
parent
273cdba6ea
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abcb6203a8
@ -1,7 +1,7 @@
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/* $NetBSD: auxio.c,v 1.1 2000/04/15 03:08:13 mrg Exp $ */
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/* $NetBSD: auxio.c,v 1.2 2001/10/22 07:31:41 mrg Exp $ */
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/*
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* Copyright (c) 2000 Matthew R. Green
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* Copyright (c) 2000, 2001 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -29,11 +29,14 @@
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*/
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/*
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* AUXIO registers support on the sbus & ebus2.
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* AUXIO registers support on the sbus & ebus2, used for the floppy driver
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* and to control the system LED, for the BLINK option.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/callout.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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@ -41,30 +44,107 @@
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#include <machine/autoconf.h>
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#include <machine/cpu.h>
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#include <sparc64/dev/ebusreg.h>
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#include <dev/ebus/ebusreg.h>
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#include <sparc64/dev/ebusvar.h>
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#include <sparc64/dev/sbusvar.h>
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#include <sparc64/dev/auxioreg.h>
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#include <sparc64/dev/auxiovar.h>
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/*
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* on sun4u, auxio exists with one register (LED) on the sbus, and 5
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* registers on the ebus2 (pci) (LED, PCIMODE, FREQUENCY, SCSI
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* OSCILLATOR, and TEMP SENSE.
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*/
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struct auxio_softc {
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struct device sc_dev;
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/* parent's tag */
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bus_space_tag_t sc_tag;
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/* handles to the various auxio regsiter sets */
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bus_space_handle_t sc_led;
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bus_space_handle_t sc_pci;
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bus_space_handle_t sc_freq;
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bus_space_handle_t sc_scsi;
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bus_space_handle_t sc_temp;
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int sc_flags;
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#define AUXIO_LEDONLY 0x1
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#define AUXIO_EBUS 0x2
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#define AUXIO_SBUS 0x4
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};
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#define AUXIO_ROM_NAME "auxio"
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/*
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* ebus code.
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*/
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int auxio_ebus_match __P((struct device *, struct cfdata *, void *));
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void auxio_ebus_attach __P((struct device *, struct device *, void *));
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int auxio_sbus_match __P((struct device *, struct cfdata *, void *));
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void auxio_sbus_attach __P((struct device *, struct device *, void *));
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void auxio_attach_common(struct auxio_softc *);
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int auxio_ebus_match(struct device *, struct cfdata *, void *);
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void auxio_ebus_attach(struct device *, struct device *, void *);
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int auxio_sbus_match(struct device *, struct cfdata *, void *);
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void auxio_sbus_attach(struct device *, struct device *, void *);
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struct cfattach auxio_ebus_ca = {
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sizeof(struct auxio_softc), auxio_ebus_match, auxio_ebus_attach
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};
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struct cfattach auxio_sbus_ca = {
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sizeof(struct auxio_softc), auxio_sbus_match, auxio_sbus_attach
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};
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#ifdef BLINK
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static struct callout blink_ch = CALLOUT_INITIALIZER;
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static void auxio_blink(void *);
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static void
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auxio_blink(x)
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void *x;
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{
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struct auxio_softc *sc = x;
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int s;
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u_int32_t led;
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s = splhigh();
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if (sc->sc_flags & AUXIO_EBUS)
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led = le32toh(bus_space_read_4(sc->sc_tag, sc->sc_led, 0));
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else
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led = bus_space_read_1(sc->sc_tag, sc->sc_led, 0);
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if (led & AUXIO_LED_LED)
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led = 0;
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else
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led = AUXIO_LED_LED;
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if (sc->sc_flags & AUXIO_EBUS)
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bus_space_write_4(sc->sc_tag, sc->sc_led, 0, htole32(led));
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else
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bus_space_write_1(sc->sc_tag, sc->sc_led, 0, led);
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splx(s);
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/*
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* Blink rate is:
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* full cycle every second if completely idle (loadav = 0)
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* full cycle every 2 seconds if loadav = 1
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* full cycle every 3 seconds if loadav = 2
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* etc.
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*/
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s = (((averunnable.ldavg[0] + FSCALE) * hz) >> (FSHIFT + 1));
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callout_reset(&blink_ch, s, auxio_blink, sc);
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}
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#endif
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void
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auxio_attach_common(sc)
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struct auxio_softc *sc;
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{
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static int do_once = 1;
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#ifdef BLINK
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/* only start one blinker */
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if (do_once) {
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auxio_blink(sc);
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do_once = 0;
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}
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#endif
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printf("\n");
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}
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int
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auxio_ebus_match(parent, cf, aux)
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struct device *parent;
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@ -95,17 +175,16 @@ auxio_ebus_attach(parent, self, aux)
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sc->sc_flags = AUXIO_LEDONLY|AUXIO_EBUS;
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} else {
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sc->sc_flags = AUXIO_EBUS;
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sc->sc_registers.auxio_pci = (u_int32_t *)(u_long)ea->ea_vaddrs[1];
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sc->sc_registers.auxio_freq = (u_int32_t *)(u_long)ea->ea_vaddrs[2];
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sc->sc_registers.auxio_scsi = (u_int32_t *)(u_long)ea->ea_vaddrs[3];
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sc->sc_registers.auxio_temp = (u_int32_t *)(u_long)ea->ea_vaddrs[4];
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sc->sc_pci = (bus_space_handle_t)(u_long)ea->ea_vaddrs[1];
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sc->sc_freq = (bus_space_handle_t)(u_long)ea->ea_vaddrs[2];
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sc->sc_scsi = (bus_space_handle_t)(u_long)ea->ea_vaddrs[3];
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sc->sc_temp = (bus_space_handle_t)(u_long)ea->ea_vaddrs[4];
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}
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sc->sc_registers.auxio_led = (u_int32_t *)(u_long)ea->ea_vaddrs[0];
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sc->sc_led = (bus_space_handle_t)(u_long)ea->ea_vaddrs[0];
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if (!auxio_reg)
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auxio_reg = (u_char *)(u_long)ea->ea_vaddrs[0];
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sc->sc_tag = ea->ea_bustag;
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printf("\n");
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auxio_attach_common(sc);
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}
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int
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@ -133,31 +212,16 @@ auxio_sbus_attach(parent, self, aux)
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}
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if (sa->sa_nreg != 1 || sa->sa_npromvaddrs != 1) {
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printf(": not 1 (%d/%d) registers??", sa->sa_nreg, sa->sa_npromvaddrs);
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printf(": not 1 (%d/%d) registers??", sa->sa_nreg,
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sa->sa_npromvaddrs);
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return;
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}
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/* sbus auxio only has one set of registers */
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sc->sc_flags = AUXIO_LEDONLY|AUXIO_SBUS;
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sc->sc_registers.auxio_led = (u_int32_t *)(u_long)sa->sa_promvaddr;
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sc->sc_led = (bus_space_handle_t)(u_long)sa->sa_promvaddr;
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if (!auxio_reg)
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auxio_reg = (u_char *)(u_long)sa->sa_promvaddr;
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sc->sc_tag = sa->sa_bustag;
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printf("\n");
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}
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/*
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* old interface; used by fd driver for now
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*/
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unsigned int
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auxregbisc(bis, bic)
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int bis, bic;
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{
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register int v, s = splhigh();
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v = *auxio_reg;
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*auxio_reg = ((v | bis) & ~bic) | AUXIO_LED_MB1;
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splx(s);
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return v;
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auxio_attach_common(sc);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: auxioreg.h,v 1.3 2000/04/15 03:08:13 mrg Exp $ */
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/* $NetBSD: auxioreg.h,v 1.4 2001/10/22 07:31:41 mrg Exp $ */
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/*
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* Copyright (c) 2000 Matthew R. Green
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@ -46,17 +46,7 @@
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#define AUXIO_POWER_COURTESY_OFF 0x1
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#define AUXIO_LED 0x00726000
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#define AUXIO_LED_LED 0x0
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#define AUXIO_LED_MB1 0xf0 /* must be set on write */
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/* XXX: these may be useless on Ebus2 auxio! find out! */
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#define AUXIO_LED_FHD 0x20 /* floppy: high density (unreliable?)*/
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#define AUXIO_LED_FDC 0x10 /* floppy: diskette was changed */
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#define AUXIO_LED_FDS 0x08 /* floppy: drive select */
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#define AUXIO_LED_FTC 0x04 /* floppy: drives Terminal Count pin */
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#define AUXIO_LED_FEJ 0x02 /* floppy: eject disk */
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#if 0
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#define AUXIO_LED_LED 0x01 /* front panel LED */
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#endif
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#define AUXIO_LED_LED 1
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#define AUXIO_PCI 0x00728000
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#define AUXIO_PCI_SLOT0 0x0 /* two bits each */
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@ -1,73 +0,0 @@
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/* $NetBSD: auxiovar.h,v 1.4 2000/04/15 03:08:13 mrg Exp $ */
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/*
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* Copyright (c) 2000 Matthew R. Green
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* on sun4u, auxio exists with one register (LED) on the sbus, and 5
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* registers on the ebus2 (pci) (LED, PCIMODE, FREQUENCY, SCSI
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* OSCILLATOR, and TEMP SENSE.
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*
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* clients of the auxio registers (eg, blinken lights, or the sbus
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* floppy) should search in auxio_cd for their matching auxio register
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* (to deal with multiple auxio's that may appear.)
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*/
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struct auxio_registers {
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#if 0 /* these do not exist on the Ebus2 */
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volatile u_int32_t *auxio_fd;
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volatile u_int32_t *auxio_audio;
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volatile u_int32_t *auxio_power;
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#endif
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volatile u_int32_t *auxio_led;
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volatile u_int32_t *auxio_pci;
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volatile u_int32_t *auxio_freq;
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volatile u_int32_t *auxio_scsi;
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volatile u_int32_t *auxio_temp;
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};
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struct auxio_softc {
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struct device sc_dev;
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struct auxio_registers sc_registers;
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int sc_flags;
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#define AUXIO_LEDONLY 0x1
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#define AUXIO_EBUS 0x2
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#define AUXIO_SBUS 0x4
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};
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/*
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* XXX: old interfaces. we set auxio_reg the first auxio we attach.
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*/
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#ifndef _LOCORE
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/*
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* Copy of AUXIO_REG for the benefit of assembler modules (eg. trap handlers)
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* as AUXREG_VA depends on NBPG which is not a constant.
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*/
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volatile u_char *auxio_reg;
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unsigned int auxregbisc __P((int, int));
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#endif
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