Annotation of sys/arch/sparc/dev/stp_sbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: stp_sbus.c,v 1.6 2007/05/29 09:54:19 sobrado Exp $ */
! 2: /* $NetBSD: stp4020.c,v 1.23 2002/06/01 23:51:03 lukem Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Paul Kranenburg.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: /*
! 41: * STP4020: SBus/PCMCIA bridge supporting one Type-3 PCMCIA card, or up to
! 42: * two Type-1 and Type-2 PCMCIA cards..
! 43: */
! 44:
! 45: #include <sys/param.h>
! 46: #include <sys/systm.h>
! 47: #include <sys/errno.h>
! 48: #include <sys/malloc.h>
! 49: #include <sys/extent.h>
! 50: #include <sys/proc.h>
! 51: #include <sys/kernel.h>
! 52: #include <sys/kthread.h>
! 53: #include <sys/device.h>
! 54:
! 55: #include <dev/pcmcia/pcmciareg.h>
! 56: #include <dev/pcmcia/pcmciavar.h>
! 57: #include <dev/pcmcia/pcmciachip.h>
! 58:
! 59: #include <machine/bus.h>
! 60: #include <sparc/dev/sbusvar.h>
! 61:
! 62: #include <dev/sbus/stp4020reg.h>
! 63: #include <dev/sbus/stp4020var.h>
! 64:
! 65: struct stp4020_sbus_softc {
! 66: struct stp4020_softc stp;
! 67: struct rom_reg sc_reg;
! 68: struct rom_reg sc_reg_le; /* rev. copy for pcmcia bus_space access */
! 69: struct intrhand sc_ih[2];
! 70: };
! 71:
! 72: int stpmatch(struct device *, void *, void *);
! 73: void stpattach(struct device *, struct device *, void *);
! 74:
! 75: struct cfattach stp_sbus_ca = {
! 76: sizeof(struct stp4020_sbus_softc), stpmatch, stpattach
! 77: };
! 78:
! 79: int
! 80: stpmatch(parent, match, aux)
! 81: struct device *parent;
! 82: void *match;
! 83: void *aux;
! 84: {
! 85: struct confargs *ca = aux;
! 86:
! 87: return (strcmp("SUNW,pcmcia", ca->ca_ra.ra_name) == 0);
! 88: }
! 89:
! 90: /*
! 91: * Attach all the sub-devices we can find
! 92: */
! 93: void
! 94: stpattach(parent, self, aux)
! 95: struct device *parent, *self;
! 96: void *aux;
! 97: {
! 98: struct confargs *ca = aux;
! 99: struct stp4020_sbus_softc *ssc = (void *)self;
! 100: struct stp4020_softc *sc = (void *)self;
! 101: int node;
! 102: int i;
! 103: bus_space_handle_t bh;
! 104:
! 105: node = ca->ca_ra.ra_node;
! 106:
! 107: /* Transfer bus tags */
! 108: ssc->sc_reg = ca->ca_ra.ra_reg[0];
! 109: ssc->sc_reg_le = ca->ca_ra.ra_reg[0];
! 110: SET_TAG_LITTLE_ENDIAN(&ssc->sc_reg_le);
! 111: sc->sc_bustag = &ssc->sc_reg;
! 112:
! 113: /* Set up per-socket static initialization */
! 114: sc->sc_socks[0].sc = sc->sc_socks[1].sc = sc;
! 115: sc->sc_socks[0].tag = sc->sc_socks[1].tag = sc->sc_bustag;
! 116:
! 117: if (ca->ca_ra.ra_nreg < 8) {
! 118: printf(": only %d register sets\n", ca->ca_ra.ra_nreg);
! 119: return;
! 120: }
! 121:
! 122: if (ca->ca_ra.ra_nintr != 2) {
! 123: printf(": expect 2 interrupt SBus levels; got %d\n",
! 124: ca->ca_ra.ra_nintr);
! 125: return;
! 126: }
! 127:
! 128: #define STP4020_BANK_PROM 0
! 129: #define STP4020_BANK_CTRL 4
! 130: for (i = 0; i < 8; i++) {
! 131:
! 132: /*
! 133: * STP4020 Register address map:
! 134: * bank 0: Forth PROM
! 135: * banks 1-3: socket 0, windows 0-2
! 136: * bank 4: control registers
! 137: * banks 5-7: socket 1, windows 0-2
! 138: */
! 139:
! 140: if (i == STP4020_BANK_PROM)
! 141: /* Skip the PROM */
! 142: continue;
! 143:
! 144: if (bus_space_map(&ca->ca_ra.ra_reg[i], 0,
! 145: ca->ca_ra.ra_reg[i].rr_len, 0, &bh) != 0) {
! 146: printf(": attach: cannot map registers\n");
! 147: return;
! 148: }
! 149:
! 150: if (i == STP4020_BANK_CTRL) {
! 151: /*
! 152: * Copy tag and handle to both socket structures
! 153: * for easy access in control/status IO functions.
! 154: */
! 155: sc->sc_socks[0].regs = sc->sc_socks[1].regs = bh;
! 156: } else if (i < STP4020_BANK_CTRL) {
! 157: /* banks 1-3 */
! 158: sc->sc_socks[0].windows[i-1].winaddr = bh;
! 159: sc->sc_socks[0].wintag = &ssc->sc_reg_le;
! 160: } else {
! 161: /* banks 5-7 */
! 162: sc->sc_socks[1].windows[i-5].winaddr = bh;
! 163: sc->sc_socks[1].wintag = &ssc->sc_reg_le;
! 164: }
! 165: }
! 166:
! 167: /*
! 168: * We get to use two SBus interrupt levels.
! 169: * The higher level we use for status change interrupts;
! 170: * the lower level for PC card I/O.
! 171: */
! 172: ssc->sc_ih[1].ih_fun = stp4020_statintr;
! 173: ssc->sc_ih[1].ih_arg = sc;
! 174: intr_establish(ca->ca_ra.ra_intr[1].int_pri,
! 175: &ssc->sc_ih[1], -1, self->dv_xname);
! 176: printf(" pri %d", ca->ca_ra.ra_intr[1].int_pri);
! 177:
! 178: ssc->sc_ih[0].ih_fun = stp4020_iointr;
! 179: ssc->sc_ih[0].ih_arg = sc;
! 180: intr_establish(ca->ca_ra.ra_intr[0].int_pri,
! 181: &ssc->sc_ih[0], -1, self->dv_xname);
! 182: printf(" and %d", ca->ca_ra.ra_intr[0].int_pri);
! 183:
! 184: stpattach_common(sc, ((struct sbus_softc *)parent)->sc_clockfreq);
! 185: }
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