Annotation of sys/arch/sparc64/dev/stp_sbus.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: stp_sbus.c,v 1.8 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 <machine/intr.h>
! 61:
! 62: #include <dev/sbus/sbusvar.h>
! 63: #include <dev/sbus/stp4020reg.h>
! 64: #include <dev/sbus/stp4020var.h>
! 65:
! 66: struct stp4020_sbus_softc {
! 67: struct stp4020_softc stp;
! 68: };
! 69:
! 70: int stpmatch(struct device *, void *, void *);
! 71: void stpattach(struct device *, struct device *, void *);
! 72:
! 73: struct cfattach stp_sbus_ca = {
! 74: sizeof(struct stp4020_sbus_softc), stpmatch, stpattach
! 75: };
! 76:
! 77: int
! 78: stpmatch(parent, match, aux)
! 79: struct device *parent;
! 80: void *match;
! 81: void *aux;
! 82: {
! 83: struct sbus_attach_args *sa = aux;
! 84:
! 85: return (strcmp("SUNW,pcmcia", sa->sa_name) == 0);
! 86: }
! 87:
! 88: /*
! 89: * Attach all the sub-devices we can find
! 90: */
! 91: void
! 92: stpattach(parent, self, aux)
! 93: struct device *parent, *self;
! 94: void *aux;
! 95: {
! 96: struct sbus_attach_args *sa = aux;
! 97: struct stp4020_softc *sc = (void *)self;
! 98: int node;
! 99: int i;
! 100: bus_space_handle_t bh;
! 101:
! 102: node = sa->sa_node;
! 103:
! 104: /* Transfer bus tags */
! 105: sc->sc_bustag = sa->sa_bustag;
! 106:
! 107: /* Set up per-socket static initialization */
! 108: sc->sc_socks[0].sc = sc->sc_socks[1].sc = sc;
! 109: sc->sc_socks[0].tag = sc->sc_socks[1].tag = sa->sa_bustag;
! 110:
! 111: if (sa->sa_nreg < 8) {
! 112: printf(": only %d register sets\n", sa->sa_nreg);
! 113: return;
! 114: }
! 115:
! 116: if (sa->sa_nintr != 2) {
! 117: printf(": expect 2 interrupt SBus levels; got %d\n",
! 118: sa->sa_nintr);
! 119: return;
! 120: }
! 121:
! 122: #define STP4020_BANK_PROM 0
! 123: #define STP4020_BANK_CTRL 4
! 124: for (i = 0; i < 8; i++) {
! 125:
! 126: /*
! 127: * STP4020 Register address map:
! 128: * bank 0: Forth PROM
! 129: * banks 1-3: socket 0, windows 0-2
! 130: * bank 4: control registers
! 131: * banks 5-7: socket 1, windows 0-2
! 132: */
! 133:
! 134: if (i == STP4020_BANK_PROM)
! 135: /* Skip the PROM */
! 136: continue;
! 137:
! 138: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[i].sbr_slot,
! 139: sa->sa_reg[i].sbr_offset, sa->sa_reg[i].sbr_size, 0, 0,
! 140: &bh) != 0) {
! 141: printf(": attach: cannot map registers\n");
! 142: return;
! 143: }
! 144:
! 145: if (i == STP4020_BANK_CTRL) {
! 146: /*
! 147: * Copy tag and handle to both socket structures
! 148: * for easy access in control/status IO functions.
! 149: */
! 150: sc->sc_socks[0].regs = sc->sc_socks[1].regs = bh;
! 151: } else if (i < STP4020_BANK_CTRL) {
! 152: /* banks 1-3 */
! 153: sc->sc_socks[0].windows[i-1].winaddr = bh;
! 154: sc->sc_socks[0].wintag = sc->sc_bustag;
! 155: } else {
! 156: /* banks 5-7 */
! 157: sc->sc_socks[1].windows[i-5].winaddr = bh;
! 158: sc->sc_socks[1].wintag = sc->sc_bustag;
! 159: }
! 160: }
! 161:
! 162: /*
! 163: * We get to use two SBus interrupt levels.
! 164: * The higher level we use for status change interrupts;
! 165: * the lower level for PC card I/O.
! 166: */
! 167: bus_intr_establish(sa->sa_bustag, sa->sa_intr[1].sbi_pri,
! 168: IPL_NONE, 0, stp4020_statintr, sc, self->dv_xname);
! 169:
! 170: bus_intr_establish(sa->sa_bustag, sa->sa_intr[0].sbi_pri,
! 171: IPL_NONE, 0, stp4020_iointr, sc, self->dv_xname);
! 172:
! 173: stpattach_common(sc, sa->sa_frequency);
! 174: }
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