diff options
Diffstat (limited to 'sys/arch/sparc64/dev/stp_sbus.c')
| -rw-r--r-- | sys/arch/sparc64/dev/stp_sbus.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/sys/arch/sparc64/dev/stp_sbus.c b/sys/arch/sparc64/dev/stp_sbus.c new file mode 100644 index 00000000000..a019a21947d --- /dev/null +++ b/sys/arch/sparc64/dev/stp_sbus.c @@ -0,0 +1,177 @@ +/* $OpenBSD: stp_sbus.c,v 1.1 2003/06/23 09:28:00 miod Exp $ */ +/* $NetBSD: stp4020.c,v 1.23 2002/06/01 23:51:03 lukem Exp $ */ + +/*- + * Copyright (c) 1998 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Paul Kranenburg. + * + * 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 the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``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 FOUNDATION OR CONTRIBUTORS + * 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. + */ + +/* + * STP4020: SBus/PCMCIA bridge supporting two Type-3 PCMCIA cards. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/errno.h> +#include <sys/malloc.h> +#include <sys/extent.h> +#include <sys/proc.h> +#include <sys/kernel.h> +#include <sys/kthread.h> +#include <sys/device.h> + +#include <dev/pcmcia/pcmciareg.h> +#include <dev/pcmcia/pcmciavar.h> +#include <dev/pcmcia/pcmciachip.h> + +#include <machine/bus.h> +#include <machine/intr.h> + +#include <dev/sbus/sbusvar.h> +#include <dev/sbus/stp4020reg.h> +#include <dev/sbus/stp4020var.h> + +struct stp4020_sbus_softc { + struct stp4020_softc stp; + struct sbusdev sc_sd; /* SBus device */ +}; + +int stpmatch(struct device *, void *, void *); +void stpattach(struct device *, struct device *, void *); + +struct cfattach stp_sbus_ca = { + sizeof(struct stp4020_sbus_softc), stpmatch, stpattach +}; + +int +stpmatch(parent, match, aux) + struct device *parent; + void *match; + void *aux; +{ + struct sbus_attach_args *sa = aux; + + return (strcmp("SUNW,pcmcia", sa->sa_name) == 0); +} + +/* + * Attach all the sub-devices we can find + */ +void +stpattach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct sbus_attach_args *sa = aux; + struct stp4020_sbus_softc *ssc = (void *)self; + struct stp4020_softc *sc = (void *)self; + int node; + int i; + bus_space_handle_t bh; + + node = sa->sa_node; + + /* Transfer bus tags */ + sc->sc_bustag = sa->sa_bustag; + + /* Set up per-socket static initialization */ + sc->sc_socks[0].sc = sc->sc_socks[1].sc = sc; + sc->sc_socks[0].tag = sc->sc_socks[1].tag = sa->sa_bustag; + + if (sa->sa_nreg < 8) { + printf(": only %d register sets\n", sa->sa_nreg); + return; + } + + if (sa->sa_nintr != 2) { + printf(": expect 2 interrupt Sbus levels; got %d\n", + sa->sa_nintr); + return; + } + +#define STP4020_BANK_PROM 0 +#define STP4020_BANK_CTRL 4 + for (i = 0; i < 8; i++) { + + /* + * STP4020 Register address map: + * bank 0: Forth PROM + * banks 1-3: socket 0, windows 0-2 + * bank 4: control registers + * banks 5-7: socket 1, windows 0-2 + */ + + if (i == STP4020_BANK_PROM) + /* Skip the PROM */ + continue; + + if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[i].sbr_slot, + sa->sa_reg[i].sbr_offset, sa->sa_reg[i].sbr_size, + BUS_SPACE_MAP_LINEAR, 0, &bh) != 0) { + printf(": attach: cannot map registers\n"); + return; + } + + if (i == STP4020_BANK_CTRL) { + /* + * Copy tag and handle to both socket structures + * for easy access in control/status IO functions. + */ + sc->sc_socks[0].regs = sc->sc_socks[1].regs = bh; + } else if (i < STP4020_BANK_CTRL) { + /* banks 1-3 */ + sc->sc_socks[0].windows[i-1].winaddr = bh; + } else { + /* banks 5-7 */ + sc->sc_socks[1].windows[i-5].winaddr = bh; + } + } + + sbus_establish(&ssc->sc_sd, &sc->sc_dev); + + /* + * We get to use two SBus interrupt levels. + * The higher level we use for status change interrupts; + * the lower level for PC card I/O. + */ + if (sa->sa_nintr != 0) { + bus_intr_establish(sa->sa_bustag, sa->sa_intr[1].sbi_pri, + IPL_NONE, 0, stp4020_statintr, sc); + + bus_intr_establish(sa->sa_bustag, sa->sa_intr[0].sbi_pri, + IPL_NONE, 0, stp4020_iointr, sc); + } + + stpattach_common(sc, sa->sa_frequency); +} |