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-rw-r--r--sys/arch/sparc/dev/scf.c297
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diff --git a/sys/arch/sparc/dev/scf.c b/sys/arch/sparc/dev/scf.c
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+++ b/sys/arch/sparc/dev/scf.c
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+/* $OpenBSD: scf.c,v 1.1 1999/07/23 19:11:26 jason Exp $ */
+
+/*
+ * Copyright (c) 1999 Jason L. Wright (jason@thought.net)
+ * All rights reserved.
+ *
+ * This software was developed by Jason L. Wright under contract with
+ * RTMX Incorporated (http://www.rtmx.com).
+ *
+ * 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 Jason L. Wright for
+ * RTMX Incorporated.
+ * 4. The name of the author 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 ``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 AUTHOR 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.
+ */
+
+/*
+ * Driver for the flash memory and sysconfig registers found on Force CPU-5V
+ * boards.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/errno.h>
+#include <sys/ioctl.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/syslog.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+
+#include <machine/autoconf.h>
+#include <sparc/cpu.h>
+#include <sparc/sparc/cpuvar.h>
+#include <sparc/dev/scfio.h>
+#include <sparc/dev/scfreg.h>
+
+int scfmatch __P((struct device *, void *, void *));
+void scfattach __P((struct device *, struct device *, void *));
+
+int scfopen __P((dev_t, int, int, struct proc *));
+int scfclose __P((dev_t, int, int, struct proc *));
+int scfioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
+
+struct scf_softc {
+ struct device sc_dv; /* base device */
+ struct scf_regs *sc_regs; /* our registers */
+ int sc_open;
+ int sc_tick;
+};
+
+struct cfattach scf_ca = {
+ sizeof (struct scf_softc), scfmatch, scfattach
+};
+
+struct cfdriver scf_cd = {
+ NULL, "sysconfig", DV_IFNET
+};
+
+extern int sparc_led_blink;
+
+static u_int8_t scf_pattern[] = {
+ SSLDCR_A|SSLDCR_B|SSLDCR_C|SSLDCR_D|SSLDCR_E|SSLDCR_F,
+ SSLDCR_B|SSLDCR_C,
+ SSLDCR_A|SSLDCR_B|SSLDCR_D|SSLDCR_E|SSLDCR_G,
+ SSLDCR_A|SSLDCR_B|SSLDCR_C|SSLDCR_D|SSLDCR_G,
+ SSLDCR_B|SSLDCR_C|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_C|SSLDCR_D|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_C|SSLDCR_D|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_B|SSLDCR_C,
+ SSLDCR_A|SSLDCR_B|SSLDCR_C|SSLDCR_D|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_B|SSLDCR_C|SSLDCR_D|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_B|SSLDCR_C|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+ SSLDCR_C|SSLDCR_D|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_D|SSLDCR_E|SSLDCR_F,
+ SSLDCR_B|SSLDCR_C|SSLDCR_D|SSLDCR_E|SSLDCR_G,
+ SSLDCR_A|SSLDCR_D|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+ SSLDCR_A|SSLDCR_E|SSLDCR_F|SSLDCR_G,
+};
+
+int
+scfmatch(parent, vcf, aux)
+ struct device *parent;
+ void *vcf, *aux;
+{
+ struct confargs *ca = aux;
+ register struct romaux *ra = &ca->ca_ra;
+
+ if (strcmp("sysconfig", ra->ra_name))
+ return (0);
+
+ return (1);
+}
+
+void
+scfattach(parent, self, aux)
+ struct device *parent, *self;
+ void *aux;
+{
+ struct confargs *ca = aux;
+ struct scf_softc *sc = (struct scf_softc *)self;
+ char *s;
+
+ /* map registers */
+ if (ca->ca_ra.ra_nreg != 1) {
+ printf(": expected 1 register, got %d\n", ca->ca_ra.ra_nreg);
+ return;
+ }
+
+ sc->sc_regs = mapiodev(&(ca->ca_ra.ra_reg[0]), 0,
+ ca->ca_ra.ra_reg[0].rr_len);
+
+ s = getpropstring(ca->ca_ra.ra_node, "model");
+ printf(": model %s\n", s);
+
+ sc->sc_regs->led1 &= ~LED_MASK;
+ sc->sc_regs->led1 &= ~LED_MASK;
+ sc->sc_regs->ssldcr = 0;
+
+ if (sparc_led_blink)
+ scfblink(0);
+}
+
+int
+scfopen(dev, flags, mode, p)
+ dev_t dev;
+ int flags;
+ int mode;
+ struct proc *p;
+{
+ struct scf_softc *sc;
+ int card = 0;
+
+ if (card >= scf_cd.cd_ndevs)
+ return (ENXIO);
+
+ sc = scf_cd.cd_devs[card];
+ if (sc->sc_open)
+ return (EBUSY);
+
+ sc->sc_open = 1;
+ return (0);
+}
+
+int
+scfclose(dev, flags, mode, p)
+ dev_t dev;
+ int flags;
+ int mode;
+ struct proc *p;
+{
+ struct scf_softc *sc;
+ int card = 0;
+
+ sc = scf_cd.cd_devs[card];
+ sc->sc_open = 0;
+ return (0);
+}
+
+int
+scfioctl(dev, cmd, data, flags, p)
+ dev_t dev;
+ u_long cmd;
+ caddr_t data;
+ int flags;
+ struct proc *p;
+{
+ struct scf_softc *sc = scf_cd.cd_devs[0];
+ u_int8_t *ptr = (u_int8_t *)data, c;
+ int error = 0;
+
+ switch (cmd) {
+ case SCFIOCSLED1:
+ sc->sc_regs->led1 = LED_MASK | (*ptr);
+ break;
+ case SCFIOCGLED1:
+ *ptr = sc->sc_regs->led1 & (LED_COLOR_MASK | LED_BLINK_MASK);
+ break;
+ case SCFIOCSLED2:
+ sc->sc_regs->led2 = LED_MASK | (*ptr);
+ break;
+ case SCFIOCGLED2:
+ *ptr = sc->sc_regs->led2 & (LED_COLOR_MASK | LED_BLINK_MASK);
+ break;
+ case SCFIOCSLED7:
+ sc->sc_regs->ssldcr = *ptr;
+ break;
+ case SCFIOCGLED7:
+ *ptr = sc->sc_regs->ssldcr;
+ break;
+ case SCFIOCGROT:
+ *ptr = sc->sc_regs->rssr;
+ break;
+ case SCFIOCSFMCTRL:
+ if ((*ptr) & SCF_FMCTRL_SELROM)
+ sc->sc_regs->fmpcr1 |= FMPCR1_SELROM;
+ else
+ sc->sc_regs->fmpcr1 &= ~FMPCR1_SELROM;
+
+ if ((*ptr) & SCF_FMCTRL_SELBOOT)
+ sc->sc_regs->fmpcr2 |= FMPCR2_SELBOOT;
+ else
+ sc->sc_regs->fmpcr2 &= ~FMPCR2_SELBOOT;
+
+ if ((*ptr) & SCF_FMCTRL_WRITEV)
+ sc->sc_regs->fmpvcr |= FMPVCR_VPP;
+ else
+ sc->sc_regs->fmpvcr &= ~FMPVCR_VPP;
+
+ c = ((*ptr) & SCF_FMCTRL_SELADDR) >> 3;
+ sc->sc_regs->fmpcr1 =
+ (sc->sc_regs->fmpcr1 & ~FMPCR1_SELADDR) | (c << 1);
+
+ break;
+ case SCFIOCGFMCTRL:
+ c = (sc->sc_regs->fmpcr1 & FMPCR1_SELADDR) << 2;
+ if (sc->sc_regs->fmpcr1 & FMPCR1_SELROM)
+ c |= SCF_FMCTRL_SELROM;
+ if (sc->sc_regs->fmpcr2 & FMPCR2_SELBOOT)
+ c |= SCF_FMCTRL_SELBOOT;
+ if (sc->sc_regs->fmpvcr & FMPVCR_VPP)
+ c |= SCF_FMCTRL_WRITEV;
+ *ptr = c;
+ break;
+ default:
+ error = ENOTTY;
+ }
+
+ return (error);
+}
+
+void
+scfblink(v)
+ void *v;
+{
+ struct scf_softc *sc;
+ int s, avg, hi = 0;
+
+ if (scf_cd.cd_ndevs == 0)
+ return;
+
+ sc = scf_cd.cd_devs[0];
+ if (sc == NULL)
+ return;
+
+ if (sparc_led_blink == 0) {
+ sc->sc_regs->led1 &= ~LED_MASK;
+ sc->sc_regs->led2 &= ~LED_MASK;
+ sc->sc_regs->ssldcr = 0;
+ return;
+ }
+
+ avg = averunnable.ldavg[0] >> FSHIFT;
+ while (avg > 15) {
+ hi = 1;
+ avg >>= 4;
+ }
+
+ s = splhigh();
+ if (sc->sc_tick & 1) {
+ sc->sc_regs->led1 &= ~LED_MASK;
+ sc->sc_regs->led2 |= LED_COLOR_GREEN;
+ }
+ else {
+ sc->sc_regs->led1 |= LED_COLOR_YELLOW;
+ sc->sc_regs->led2 &= ~LED_MASK;
+ }
+ sc->sc_regs->ssldcr = scf_pattern[avg] | (hi ? SSLDCR_P : 0);
+ splx(s);
+
+ sc->sc_tick++;
+
+ s = ((averunnable.ldavg[0] + FSCALE) * hz) >> (FSHIFT + 1);
+ timeout(scfblink, 0, s);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-09 14:47:41 +0000