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/* $OpenBSD: qlw_sbus.c,v 1.3 2015/03/30 20:30:22 miod Exp $ */
/*
* Copyright (c) 2014 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <sparc/dev/sbusvar.h>
#include <sparc/dev/dmareg.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <dev/ic/qlwreg.h>
#include <dev/ic/qlwvar.h>
#ifndef ISP_NOFIRMWARE
#include <dev/microcode/isp/asm_sbus.h>
#endif
struct qlw_sbus_softc {
struct qlw_softc qsc_sc;
struct intrhand qsc_ih;
struct rom_reg qsc_rr;
};
int qlw_sbus_match(struct device *, void *, void *);
void qlw_sbus_attach(struct device *, struct device *, void *);
struct cfattach qlw_sbus_ca = {
sizeof(struct qlw_softc),
qlw_sbus_match,
qlw_sbus_attach
};
int
qlw_sbus_match(struct device *parent, void *cf, void *aux)
{
struct confargs *ca = aux;
struct romaux *ra = &ca->ca_ra;
if (strcmp("ptisp", ra->ra_name) == 0 ||
strcmp("PTI,ptisp", ra->ra_name) == 0 ||
strcmp("SUNW,isp", ra->ra_name) == 0 ||
strcmp("QLGC,isp", ra->ra_name) == 0)
return 2;
return 0;
}
void
qlw_sbus_attach(struct device *parent, struct device *self, void *aux)
{
struct confargs *ca = aux;
struct romaux *ra = &ca->ca_ra;
struct qlw_sbus_softc *qsc = (void *)self;
struct qlw_softc *sc = &qsc->qsc_sc;
u_int32_t sbusburst, burst;
int freq;
if (ra->ra_nintr < 1) {
printf(": no interrupt\n");
return;
}
if (ra->ra_nreg < 1) {
printf(": no registers\n");
return;
}
if (bus_space_map(&ra->ra_reg[0], 0,
ra->ra_reg[0].rr_len, 0, &sc->sc_ioh) != 0) {
printf(": can't map registers\n");
return;
}
printf(": %s\n", ra->ra_name);
qsc->qsc_ih.ih_fun = qlw_intr;
qsc->qsc_ih.ih_arg = sc;
intr_establish(ra->ra_intr[0].int_pri, &qsc->qsc_ih,
IPL_BIO, self->dv_xname);
/*
* Get transfer burst size from PROM
*/
sbusburst = ((struct sbus_softc *)parent)->sc_burst;
if (sbusburst == 0)
sbusburst = SBUS_BURST_32 - 1; /* 1->16 */
burst = getpropint(ra->ra_node, "burst-sizes", -1);
if (burst == -1)
burst = sbusburst;
/* Clamp at parent's burst sizes */
burst &= sbusburst;
if ((burst & SBUS_BURST_32))
sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_32;
else if ((burst & SBUS_BURST_16))
sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_FIFO_16;
else if ((burst & SBUS_BURST_8))
sc->sc_isp_config = QLW_BURST_ENABLE | QLW_SBUS_BURST_8;
qsc->qsc_rr = ra->ra_reg[0];
sc->sc_iot = &qsc->qsc_rr;
sc->sc_ios = ra->ra_reg[0].rr_len;
sc->sc_dmat = ca->ca_dmat;
sc->sc_isp_gen = QLW_GEN_ISP1000;
sc->sc_isp_type = QLW_ISP1000;
sc->sc_numbusses = 1;
freq = getpropint(ra->ra_node, "clock-frequency", 40000000);
sc->sc_clock = (freq + 500000) / 1000000;
#ifndef ISP_NOFIRMWARE
/*
* Some early versions of the PTI cards don't support loading
* a new firmware, so only do this in the Sun or QLogic
* branded ones.
*/
if (strcmp("SUNW,isp", ra->ra_name) == 0 ||
strcmp("QLGC,isp", ra->ra_name) == 0)
sc->sc_firmware = isp_1000_risc_code;
#endif
sc->sc_initiator[0] = getpropint(ra->ra_node, "scsi-initiator-id", 6);
sc->sc_host_cmd_ctrl = QLW_HOST_CMD_CTRL_SBUS;
sc->sc_mbox_base = QLW_MBOX_BASE_SBUS;
qlw_attach(sc);
return;
}
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