148 lines
3.8 KiB
C
148 lines
3.8 KiB
C
/* $OpenBSD: qlw_sbus.c,v 1.2 2022/03/13 13:34:54 mpi Exp $ */
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/*
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* Copyright (c) 2014 Mark Kettenis
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/intr.h>
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#include <machine/autoconf.h>
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#include <dev/sbus/sbusvar.h>
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#include <dev/ic/qlwreg.h>
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#include <dev/ic/qlwvar.h>
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#ifndef ISP_NOFIRMWARE
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#include <dev/microcode/isp/asm_sbus.h>
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#endif
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int qlw_sbus_match(struct device *, void *, void *);
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void qlw_sbus_attach(struct device *, struct device *, void *);
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const struct cfattach qlw_sbus_ca = {
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sizeof(struct qlw_softc),
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qlw_sbus_match,
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qlw_sbus_attach
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};
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int
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qlw_sbus_match(struct device *parent, void *cf, void *aux)
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{
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struct sbus_attach_args *sa = aux;
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if (strcmp("ptisp", sa->sa_name) == 0 ||
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strcmp("PTI,ptisp", sa->sa_name) == 0 ||
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strcmp("SUNW,isp", sa->sa_name) == 0 ||
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strcmp("QLGC,isp", sa->sa_name) == 0)
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return 2;
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return 0;
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}
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void
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qlw_sbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct qlw_softc *sc = (void *)self;
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struct sbus_attach_args *sa = aux;
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u_int32_t sbusburst, burst;
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int freq;
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if (sa->sa_nintr < 1) {
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printf(": no interrupt\n");
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return;
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}
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if (sa->sa_nreg < 1) {
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printf(": no registers\n");
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return;
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}
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if (sbus_bus_map(sa->sa_bustag, sa->sa_slot, sa->sa_offset,
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sa->sa_size, 0, 0, &sc->sc_ioh) != 0) {
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printf(": can't map registers\n");
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return;
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}
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printf(": %s\n", sa->sa_name);
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if (bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_BIO, 0,
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qlw_intr, sc, sc->sc_dev.dv_xname) == NULL) {
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printf("%s: can't establish interrupt\n", DEVNAME(sc));
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goto unmap;
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}
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/*
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* Get transfer burst size from PROM
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*/
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sbusburst = ((struct sbus_softc *)parent)->sc_burst;
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if (sbusburst == 0)
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sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
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burst = getpropint(sa->sa_node, "burst-sizes", -1);
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if (burst == -1)
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burst = sbusburst;
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/* Clamp at parent's burst sizes */
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burst &= sbusburst;
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if ((burst & SBUS_BURST_32))
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sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_32;
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else if ((burst & SBUS_BURST_16))
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sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_16;
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else if ((burst & SBUS_BURST_8))
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sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_BURST_8;
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sc->sc_iot = sa->sa_bustag;
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sc->sc_ios = sa->sa_size;
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sc->sc_dmat = sa->sa_dmatag;
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sc->sc_isp_gen = QLW_GEN_ISP1000;
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sc->sc_isp_type = QLW_ISP1000;
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sc->sc_numbusses = 1;
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freq = getpropint(sa->sa_node, "clock-frequency", 40000000);
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sc->sc_clock = (freq + 500000) / 1000000;
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#ifndef ISP_NOFIRMWARE
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/*
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* Some early versions of the PTI cards don't support loading
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* a new firmware, so only do this in the Sun or QLogic
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* branded ones.
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*/
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if (strcmp("SUNW,isp", sa->sa_name) == 0 ||
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strcmp("QLGC,isp", sa->sa_name) == 0)
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sc->sc_firmware = isp_1000_risc_code;
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#endif
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sc->sc_initiator[0] = getpropint(sa->sa_node, "scsi-initiator-id", 6);
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sc->sc_host_cmd_ctrl = QLW_HOST_CMD_CTRL_SBUS;
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sc->sc_mbox_base = QLW_MBOX_BASE_SBUS;
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qlw_attach(sc);
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return;
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unmap:
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bus_space_unmap(sa->sa_bustag, sc->sc_ioh, sa->sa_size);
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}
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