3218 lines
91 KiB
C
3218 lines
91 KiB
C
/* $NetBSD: pccbb.c,v 1.201 2011/01/04 10:40:17 jruoho Exp $ */
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/*
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* Copyright (c) 1998, 1999 and 2000
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* HAYAKAWA Koichi. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pccbb.c,v 1.201 2011/01/04 10:40:17 jruoho Exp $");
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/*
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#define CBB_DEBUG
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#define SHOW_REGS
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/ioctl.h>
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#include <sys/reboot.h> /* for bootverbose */
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#include <sys/syslog.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <sys/intr.h>
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#include <sys/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pccbbreg.h>
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#include <dev/cardbus/cardslotvar.h>
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#include <dev/cardbus/cardbusvar.h>
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#include <dev/pcmcia/pcmciareg.h>
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#include <dev/pcmcia/pcmciavar.h>
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#include <dev/ic/i82365reg.h>
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#include <dev/pci/pccbbvar.h>
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#ifndef __NetBSD_Version__
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struct cfdriver cbb_cd = {
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NULL, "cbb", DV_DULL
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};
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#endif
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#ifdef CBB_DEBUG
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#define DPRINTF(x) printf x
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#define STATIC
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#else
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#define DPRINTF(x)
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#define STATIC static
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#endif
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int pccbb_burstup = 1;
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/*
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* delay_ms() is wait in milliseconds. It should be used instead
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* of delay() if you want to wait more than 1 ms.
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*/
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static inline void
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delay_ms(int millis, struct pccbb_softc *sc)
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{
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if (cold)
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delay(millis * 1000);
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else
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kpause("pccbb", false, mstohz(millis), NULL);
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}
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int pcicbbmatch(device_t, cfdata_t, void *);
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void pccbbattach(device_t, device_t, void *);
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void pccbbchilddet(device_t, device_t);
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int pccbbdetach(device_t, int);
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int pccbbintr(void *);
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static void pci113x_insert(void *);
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static int pccbbintr_function(struct pccbb_softc *);
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static int pccbb_detect_card(struct pccbb_softc *);
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static void pccbb_pcmcia_write(struct pccbb_softc *, int, u_int8_t);
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static u_int8_t pccbb_pcmcia_read(struct pccbb_softc *, int);
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#define Pcic_read(sc, reg) pccbb_pcmcia_read((sc), (reg))
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#define Pcic_write(sc, reg, val) pccbb_pcmcia_write((sc), (reg), (val))
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STATIC int cb_reset(struct pccbb_softc *);
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STATIC int cb_detect_voltage(struct pccbb_softc *);
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STATIC int cbbprint(void *, const char *);
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static int cb_chipset(u_int32_t, int *);
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STATIC void pccbb_pcmcia_attach_setup(struct pccbb_softc *,
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struct pcmciabus_attach_args *);
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STATIC int pccbb_ctrl(cardbus_chipset_tag_t, int);
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STATIC int pccbb_power(struct pccbb_softc *sc, int);
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STATIC int pccbb_power_ct(cardbus_chipset_tag_t, int);
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STATIC int pccbb_cardenable(struct pccbb_softc * sc, int function);
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static void *pccbb_intr_establish(struct pccbb_softc *,
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cardbus_intr_line_t irq, int level, int (*ih) (void *), void *sc);
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static void pccbb_intr_disestablish(struct pccbb_softc *, void *ih);
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static void *pccbb_cb_intr_establish(cardbus_chipset_tag_t,
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cardbus_intr_line_t irq, int level, int (*ih) (void *), void *sc);
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static void pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, void *ih);
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static pcitag_t pccbb_make_tag(cardbus_chipset_tag_t, int, int);
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static pcireg_t pccbb_conf_read(cardbus_chipset_tag_t, pcitag_t, int);
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static void pccbb_conf_write(cardbus_chipset_tag_t, pcitag_t, int,
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pcireg_t);
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static void pccbb_chipinit(struct pccbb_softc *);
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static void pccbb_intrinit(struct pccbb_softc *);
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STATIC int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
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struct pcmcia_mem_handle *);
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STATIC void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t,
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struct pcmcia_mem_handle *);
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STATIC int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t,
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bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *);
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STATIC void pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t, int);
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STATIC int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
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bus_size_t, bus_size_t, struct pcmcia_io_handle *);
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STATIC void pccbb_pcmcia_io_free(pcmcia_chipset_handle_t,
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struct pcmcia_io_handle *);
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STATIC int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t, int, bus_addr_t,
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bus_size_t, struct pcmcia_io_handle *, int *);
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STATIC void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t, int);
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STATIC void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t,
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struct pcmcia_function *, int, int (*)(void *), void *);
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STATIC void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t, void *);
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STATIC void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t);
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STATIC void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t);
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STATIC void pccbb_pcmcia_socket_settype(pcmcia_chipset_handle_t, int);
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STATIC int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t pch);
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static int pccbb_pcmcia_wait_ready(struct pccbb_softc *);
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static void pccbb_pcmcia_delay(struct pccbb_softc *, int, const char *);
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static void pccbb_pcmcia_do_io_map(struct pccbb_softc *, int);
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static void pccbb_pcmcia_do_mem_map(struct pccbb_softc *, int);
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/* bus-space allocation and deallocation functions */
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static int pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t, rbus_tag_t,
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bus_addr_t addr, bus_size_t size, bus_addr_t mask, bus_size_t align,
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int flags, bus_addr_t * addrp, bus_space_handle_t * bshp);
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static int pccbb_rbus_cb_space_free(cardbus_chipset_tag_t, rbus_tag_t,
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bus_space_handle_t, bus_size_t);
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static int pccbb_open_win(struct pccbb_softc *, bus_space_tag_t,
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bus_addr_t, bus_size_t, bus_space_handle_t, int flags);
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static int pccbb_close_win(struct pccbb_softc *, bus_space_tag_t,
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bus_space_handle_t, bus_size_t);
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static int pccbb_winlist_insert(struct pccbb_win_chain_head *, bus_addr_t,
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bus_size_t, bus_space_handle_t, int);
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static int pccbb_winlist_delete(struct pccbb_win_chain_head *,
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bus_space_handle_t, bus_size_t);
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static void pccbb_winset(bus_addr_t align, struct pccbb_softc *,
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bus_space_tag_t);
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void pccbb_winlist_show(struct pccbb_win_chain *);
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/* for config_defer */
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static void pccbb_pci_callback(device_t);
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static bool pccbb_suspend(device_t, const pmf_qual_t *);
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static bool pccbb_resume(device_t, const pmf_qual_t *);
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#if defined SHOW_REGS
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static void cb_show_regs(pci_chipset_tag_t pc, pcitag_t tag,
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bus_space_tag_t memt, bus_space_handle_t memh);
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#endif
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CFATTACH_DECL3_NEW(cbb_pci, sizeof(struct pccbb_softc),
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pcicbbmatch, pccbbattach, pccbbdetach, NULL, NULL, pccbbchilddet,
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DVF_DETACH_SHUTDOWN);
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static const struct pcmcia_chip_functions pccbb_pcmcia_funcs = {
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pccbb_pcmcia_mem_alloc,
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pccbb_pcmcia_mem_free,
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pccbb_pcmcia_mem_map,
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pccbb_pcmcia_mem_unmap,
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pccbb_pcmcia_io_alloc,
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pccbb_pcmcia_io_free,
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pccbb_pcmcia_io_map,
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pccbb_pcmcia_io_unmap,
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pccbb_pcmcia_intr_establish,
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pccbb_pcmcia_intr_disestablish,
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pccbb_pcmcia_socket_enable,
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pccbb_pcmcia_socket_disable,
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pccbb_pcmcia_socket_settype,
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pccbb_pcmcia_card_detect
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};
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static const struct cardbus_functions pccbb_funcs = {
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pccbb_rbus_cb_space_alloc,
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pccbb_rbus_cb_space_free,
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pccbb_cb_intr_establish,
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pccbb_cb_intr_disestablish,
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pccbb_ctrl,
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pccbb_power_ct,
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pccbb_make_tag,
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pccbb_conf_read,
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pccbb_conf_write,
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};
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int
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pcicbbmatch(device_t parent, cfdata_t match, void *aux)
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{
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struct pci_attach_args *pa = (struct pci_attach_args *)aux;
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if (PCI_CLASS(pa->pa_class) == PCI_CLASS_BRIDGE &&
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PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_BRIDGE_CARDBUS &&
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PCI_INTERFACE(pa->pa_class) == 0) {
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return 1;
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}
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return 0;
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}
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#define MAKEID(vendor, prod) (((vendor) << PCI_VENDOR_SHIFT) \
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| ((prod) << PCI_PRODUCT_SHIFT))
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const struct yenta_chipinfo {
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pcireg_t yc_id; /* vendor tag | product tag */
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int yc_chiptype;
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int yc_flags;
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} yc_chipsets[] = {
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/* Texas Instruments chips */
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1130), CB_TI113X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1131), CB_TI113X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1250), CB_TI125X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1220), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1221), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1225), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251), CB_TI125X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1251B), CB_TI125X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1211), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1410), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1420), CB_TI1420,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1450), CB_TI125X,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1451), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1510), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI1520), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI4410YENTA), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI4520YENTA), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TI, PCI_PRODUCT_TI_PCI7420YENTA), CB_TI12XX,
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PCCBB_PCMCIA_IO_RELOC | PCCBB_PCMCIA_MEM_32},
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/* Ricoh chips */
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C475), CB_RX5C47X,
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PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_RL5C476), CB_RX5C47X,
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PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C477), CB_RX5C47X,
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PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C478), CB_RX5C47X,
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PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C465), CB_RX5C46X,
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PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_RICOH, PCI_PRODUCT_RICOH_Rx5C466), CB_RX5C46X,
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PCCBB_PCMCIA_MEM_32},
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/* Toshiba products */
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{ MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95),
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CB_TOPIC95, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC95B),
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CB_TOPIC95B, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC97),
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CB_TOPIC97, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_TOSHIBA2, PCI_PRODUCT_TOSHIBA2_ToPIC100),
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CB_TOPIC97, PCCBB_PCMCIA_MEM_32},
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/* Cirrus Logic products */
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{ MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6832),
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CB_CIRRUS, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6833),
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CB_CIRRUS, PCCBB_PCMCIA_MEM_32},
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/* O2 Micro products */
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6729),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6730),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6832),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6836),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6872),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6922),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6933),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_OZ6972),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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{ MAKEID(PCI_VENDOR_O2MICRO, PCI_PRODUCT_O2MICRO_7223),
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CB_O2MICRO, PCCBB_PCMCIA_MEM_32},
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/* sentinel, or Generic chip */
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{ 0 /* null id */ , CB_UNKNOWN, PCCBB_PCMCIA_MEM_32},
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};
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static int
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cb_chipset(u_int32_t pci_id, int *flagp)
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{
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const struct yenta_chipinfo *yc;
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/* Loop over except the last default entry. */
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for (yc = yc_chipsets; yc < yc_chipsets +
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__arraycount(yc_chipsets) - 1; yc++)
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if (pci_id == yc->yc_id)
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break;
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if (flagp != NULL)
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*flagp = yc->yc_flags;
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return (yc->yc_chiptype);
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}
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void
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pccbbchilddet(device_t self, device_t child)
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{
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struct pccbb_softc *sc = device_private(self);
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int s;
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KASSERT(sc->sc_csc == device_private(child));
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s = splbio();
|
|
if (sc->sc_csc == device_private(child))
|
|
sc->sc_csc = NULL;
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
pccbbattach(device_t parent, device_t self, void *aux)
|
|
{
|
|
struct pccbb_softc *sc = device_private(self);
|
|
struct pci_attach_args *pa = aux;
|
|
pci_chipset_tag_t pc = pa->pa_pc;
|
|
pcireg_t busreg, reg, sock_base;
|
|
bus_addr_t sockbase;
|
|
char devinfo[256];
|
|
int flags;
|
|
|
|
#ifdef __HAVE_PCCBB_ATTACH_HOOK
|
|
pccbb_attach_hook(parent, self, pa);
|
|
#endif
|
|
|
|
sc->sc_dev = self;
|
|
|
|
mutex_init(&sc->sc_pwr_mtx, MUTEX_DEFAULT, IPL_BIO);
|
|
cv_init(&sc->sc_pwr_cv, "pccpwr");
|
|
|
|
callout_init(&sc->sc_insert_ch, 0);
|
|
callout_setfunc(&sc->sc_insert_ch, pci113x_insert, sc);
|
|
|
|
sc->sc_chipset = cb_chipset(pa->pa_id, &flags);
|
|
|
|
aprint_naive("\n");
|
|
|
|
pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof(devinfo));
|
|
aprint_normal(": %s (rev. 0x%02x)", devinfo,
|
|
PCI_REVISION(pa->pa_class));
|
|
DPRINTF((" (chipflags %x)", flags));
|
|
aprint_normal("\n");
|
|
|
|
TAILQ_INIT(&sc->sc_memwindow);
|
|
TAILQ_INIT(&sc->sc_iowindow);
|
|
|
|
sc->sc_rbus_iot = rbus_pccbb_parent_io(pa);
|
|
sc->sc_rbus_memt = rbus_pccbb_parent_mem(pa);
|
|
|
|
#if 0
|
|
printf("pa->pa_memt: %08x vs rbus_mem->rb_bt: %08x\n",
|
|
pa->pa_memt, sc->sc_rbus_memt->rb_bt);
|
|
#endif
|
|
|
|
sc->sc_flags &= ~CBB_MEMHMAPPED;
|
|
|
|
/*
|
|
* MAP socket registers and ExCA registers on memory-space
|
|
* When no valid address is set on socket base registers (on pci
|
|
* config space), get it not polite way.
|
|
*/
|
|
sock_base = pci_conf_read(pc, pa->pa_tag, PCI_SOCKBASE);
|
|
|
|
if (PCI_MAPREG_MEM_ADDR(sock_base) >= 0x100000 &&
|
|
PCI_MAPREG_MEM_ADDR(sock_base) != 0xfffffff0) {
|
|
/* The address must be valid. */
|
|
if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_MEM, 0,
|
|
&sc->sc_base_memt, &sc->sc_base_memh, &sockbase, &sc->sc_base_size)) {
|
|
aprint_error_dev(self,
|
|
"can't map socket base address 0x%lx\n",
|
|
(unsigned long)sock_base);
|
|
/*
|
|
* I think it's funny: socket base registers must be
|
|
* mapped on memory space, but ...
|
|
*/
|
|
if (pci_mapreg_map(pa, PCI_SOCKBASE, PCI_MAPREG_TYPE_IO,
|
|
0, &sc->sc_base_memt, &sc->sc_base_memh, &sockbase,
|
|
&sc->sc_base_size)) {
|
|
aprint_error_dev(self,
|
|
"can't map socket base address"
|
|
" 0x%lx: io mode\n",
|
|
(unsigned long)sockbase);
|
|
/* give up... allocate reg space via rbus. */
|
|
pci_conf_write(pc, pa->pa_tag, PCI_SOCKBASE, 0);
|
|
} else
|
|
sc->sc_flags |= CBB_MEMHMAPPED;
|
|
} else {
|
|
DPRINTF(("%s: socket base address 0x%lx\n",
|
|
device_xname(self),
|
|
(unsigned long)sockbase));
|
|
sc->sc_flags |= CBB_MEMHMAPPED;
|
|
}
|
|
}
|
|
|
|
sc->sc_mem_start = 0; /* XXX */
|
|
sc->sc_mem_end = 0xffffffff; /* XXX */
|
|
|
|
busreg = pci_conf_read(pc, pa->pa_tag, PCI_BUSNUM);
|
|
|
|
/* pccbb_machdep.c end */
|
|
|
|
#if defined CBB_DEBUG
|
|
{
|
|
static const char *intrname[] = { "NON", "A", "B", "C", "D" };
|
|
aprint_debug_dev(self, "intrpin %s, intrtag %d\n",
|
|
intrname[pa->pa_intrpin], pa->pa_intrline);
|
|
}
|
|
#endif
|
|
|
|
/* setup softc */
|
|
sc->sc_pc = pc;
|
|
sc->sc_iot = pa->pa_iot;
|
|
sc->sc_memt = pa->pa_memt;
|
|
sc->sc_dmat = pa->pa_dmat;
|
|
sc->sc_tag = pa->pa_tag;
|
|
|
|
memcpy(&sc->sc_pa, pa, sizeof(*pa));
|
|
|
|
sc->sc_pcmcia_flags = flags; /* set PCMCIA facility */
|
|
|
|
/* Disable legacy register mapping. */
|
|
switch (sc->sc_chipset) {
|
|
case CB_RX5C46X: /* fallthrough */
|
|
#if 0
|
|
/* The RX5C47X-series requires writes to the PCI_LEGACY register. */
|
|
case CB_RX5C47X:
|
|
#endif
|
|
/*
|
|
* The legacy pcic io-port on Ricoh RX5C46X CardBus bridges
|
|
* cannot be disabled by substituting 0 into PCI_LEGACY
|
|
* register. Ricoh CardBus bridges have special bits on Bridge
|
|
* control reg (addr 0x3e on PCI config space).
|
|
*/
|
|
reg = pci_conf_read(pc, pa->pa_tag, PCI_BRIDGE_CONTROL_REG);
|
|
reg &= ~(CB_BCRI_RL_3E0_ENA | CB_BCRI_RL_3E2_ENA);
|
|
pci_conf_write(pc, pa->pa_tag, PCI_BRIDGE_CONTROL_REG, reg);
|
|
break;
|
|
|
|
default:
|
|
/* XXX I don't know proper way to kill legacy I/O. */
|
|
pci_conf_write(pc, pa->pa_tag, PCI_LEGACY, 0x0);
|
|
break;
|
|
}
|
|
|
|
if (!pmf_device_register(self, pccbb_suspend, pccbb_resume))
|
|
aprint_error_dev(self, "couldn't establish power handler\n");
|
|
|
|
config_defer(self, pccbb_pci_callback);
|
|
}
|
|
|
|
int
|
|
pccbbdetach(device_t self, int flags)
|
|
{
|
|
struct pccbb_softc *sc = device_private(self);
|
|
pci_chipset_tag_t pc = sc->sc_pa.pa_pc;
|
|
bus_space_tag_t bmt = sc->sc_base_memt;
|
|
bus_space_handle_t bmh = sc->sc_base_memh;
|
|
uint32_t sockmask;
|
|
int rc;
|
|
|
|
if ((rc = config_detach_children(self, flags)) != 0)
|
|
return rc;
|
|
|
|
if (!LIST_EMPTY(&sc->sc_pil)) {
|
|
panic("%s: interrupt handlers still registered",
|
|
device_xname(self));
|
|
return EBUSY;
|
|
}
|
|
|
|
if (sc->sc_ih != NULL) {
|
|
pci_intr_disestablish(pc, sc->sc_ih);
|
|
sc->sc_ih = NULL;
|
|
}
|
|
|
|
/* CSC Interrupt: turn off card detect and power cycle interrupts */
|
|
sockmask = bus_space_read_4(bmt, bmh, CB_SOCKET_MASK);
|
|
sockmask &= ~(CB_SOCKET_MASK_CSTS | CB_SOCKET_MASK_CD |
|
|
CB_SOCKET_MASK_POWER);
|
|
bus_space_write_4(bmt, bmh, CB_SOCKET_MASK, sockmask);
|
|
/* reset interrupt */
|
|
bus_space_write_4(bmt, bmh, CB_SOCKET_EVENT,
|
|
bus_space_read_4(bmt, bmh, CB_SOCKET_EVENT));
|
|
|
|
switch (sc->sc_flags & (CBB_MEMHMAPPED|CBB_SPECMAPPED)) {
|
|
case CBB_MEMHMAPPED:
|
|
bus_space_unmap(bmt, bmh, sc->sc_base_size);
|
|
break;
|
|
case CBB_MEMHMAPPED|CBB_SPECMAPPED:
|
|
#if rbus
|
|
{
|
|
pcireg_t sockbase;
|
|
|
|
sockbase = pci_conf_read(pc, sc->sc_tag, PCI_SOCKBASE);
|
|
rbus_space_free(sc->sc_rbus_memt, bmh, 0x1000,
|
|
NULL);
|
|
}
|
|
#else
|
|
bus_space_free(bmt, bmh, 0x1000);
|
|
#endif
|
|
}
|
|
sc->sc_flags &= ~(CBB_MEMHMAPPED|CBB_SPECMAPPED);
|
|
|
|
if (!TAILQ_EMPTY(&sc->sc_iowindow))
|
|
aprint_error_dev(self, "i/o windows not empty");
|
|
if (!TAILQ_EMPTY(&sc->sc_memwindow))
|
|
aprint_error_dev(self, "memory windows not empty");
|
|
|
|
callout_stop(&sc->sc_insert_ch);
|
|
callout_destroy(&sc->sc_insert_ch);
|
|
|
|
mutex_destroy(&sc->sc_pwr_mtx);
|
|
cv_destroy(&sc->sc_pwr_cv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* static void pccbb_pci_callback(device_t self)
|
|
*
|
|
* The actual attach routine: get memory space for YENTA register
|
|
* space, setup YENTA register and route interrupt.
|
|
*
|
|
* This function should be deferred because this device may obtain
|
|
* memory space dynamically. This function must avoid obtaining
|
|
* memory area which has already kept for another device.
|
|
*/
|
|
static void
|
|
pccbb_pci_callback(device_t self)
|
|
{
|
|
struct pccbb_softc *sc = device_private(self);
|
|
pci_chipset_tag_t pc = sc->sc_pc;
|
|
bus_addr_t sockbase;
|
|
struct cbslot_attach_args cba;
|
|
struct pcmciabus_attach_args paa;
|
|
struct cardslot_attach_args caa;
|
|
device_t csc;
|
|
|
|
if (!(sc->sc_flags & CBB_MEMHMAPPED)) {
|
|
/* The socket registers aren't mapped correctly. */
|
|
#if rbus
|
|
if (rbus_space_alloc(sc->sc_rbus_memt, 0, 0x1000, 0x0fff,
|
|
(sc->sc_chipset == CB_RX5C47X
|
|
|| sc->sc_chipset == CB_TI113X) ? 0x10000 : 0x1000,
|
|
0, &sockbase, &sc->sc_base_memh)) {
|
|
return;
|
|
}
|
|
sc->sc_base_memt = sc->sc_memt;
|
|
pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase);
|
|
DPRINTF(("%s: CardBus register address 0x%lx -> 0x%lx\n",
|
|
device_xname(self), (unsigned long)sockbase,
|
|
(unsigned long)pci_conf_read(pc, sc->sc_tag,
|
|
PCI_SOCKBASE)));
|
|
#else
|
|
sc->sc_base_memt = sc->sc_memt;
|
|
#if !defined CBB_PCI_BASE
|
|
#define CBB_PCI_BASE 0x20000000
|
|
#endif
|
|
if (bus_space_alloc(sc->sc_base_memt, CBB_PCI_BASE, 0xffffffff,
|
|
0x1000, 0x1000, 0, 0, &sockbase, &sc->sc_base_memh)) {
|
|
/* cannot allocate memory space */
|
|
return;
|
|
}
|
|
pci_conf_write(pc, sc->sc_tag, PCI_SOCKBASE, sockbase);
|
|
DPRINTF(("%s: CardBus register address 0x%lx -> 0x%lx\n",
|
|
device_xname(self), (unsigned long)sock_base,
|
|
(unsigned long)pci_conf_read(pc,
|
|
sc->sc_tag, PCI_SOCKBASE)));
|
|
#endif
|
|
sc->sc_flags |= CBB_MEMHMAPPED|CBB_SPECMAPPED;
|
|
}
|
|
|
|
/* clear data structure for child device interrupt handlers */
|
|
LIST_INIT(&sc->sc_pil);
|
|
|
|
/* bus bridge initialization */
|
|
pccbb_chipinit(sc);
|
|
|
|
sc->sc_pil_intr_enable = true;
|
|
|
|
{
|
|
u_int32_t sockstat;
|
|
|
|
sockstat = bus_space_read_4(sc->sc_base_memt,
|
|
sc->sc_base_memh, CB_SOCKET_STAT);
|
|
if (0 == (sockstat & CB_SOCKET_STAT_CD)) {
|
|
sc->sc_flags |= CBB_CARDEXIST;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* attach cardbus
|
|
*/
|
|
{
|
|
pcireg_t busreg = pci_conf_read(pc, sc->sc_tag, PCI_BUSNUM);
|
|
pcireg_t bhlc = pci_conf_read(pc, sc->sc_tag, PCI_BHLC_REG);
|
|
|
|
/* initialize cbslot_attach */
|
|
cba.cba_iot = sc->sc_iot;
|
|
cba.cba_memt = sc->sc_memt;
|
|
cba.cba_dmat = sc->sc_dmat;
|
|
cba.cba_bus = (busreg >> 8) & 0x0ff;
|
|
cba.cba_cc = (void *)sc;
|
|
cba.cba_cf = &pccbb_funcs;
|
|
cba.cba_intrline = 0; /* XXX dummy */
|
|
|
|
#if rbus
|
|
cba.cba_rbus_iot = sc->sc_rbus_iot;
|
|
cba.cba_rbus_memt = sc->sc_rbus_memt;
|
|
#endif
|
|
|
|
cba.cba_cacheline = PCI_CACHELINE(bhlc);
|
|
cba.cba_max_lattimer = PCI_LATTIMER(bhlc);
|
|
|
|
aprint_verbose_dev(self,
|
|
"cacheline 0x%x lattimer 0x%x\n",
|
|
cba.cba_cacheline,
|
|
cba.cba_max_lattimer);
|
|
aprint_verbose_dev(self, "bhlc 0x%x\n", bhlc);
|
|
#if defined SHOW_REGS
|
|
cb_show_regs(sc->sc_pc, sc->sc_tag, sc->sc_base_memt,
|
|
sc->sc_base_memh);
|
|
#endif
|
|
}
|
|
|
|
pccbb_pcmcia_attach_setup(sc, &paa);
|
|
caa.caa_cb_attach = NULL;
|
|
if (cba.cba_bus == 0)
|
|
aprint_error_dev(self,
|
|
"secondary bus number uninitialized; try PCI_BUS_FIXUP\n");
|
|
else
|
|
caa.caa_cb_attach = &cba;
|
|
caa.caa_16_attach = &paa;
|
|
|
|
pccbb_intrinit(sc);
|
|
|
|
if (NULL != (csc = config_found_ia(self, "pcmciaslot", &caa,
|
|
cbbprint))) {
|
|
DPRINTF(("%s: found cardslot\n", __func__));
|
|
sc->sc_csc = device_private(csc);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* static void pccbb_chipinit(struct pccbb_softc *sc)
|
|
*
|
|
* This function initialize YENTA chip registers listed below:
|
|
* 1) PCI command reg,
|
|
* 2) PCI and CardBus latency timer,
|
|
* 3) route PCI interrupt,
|
|
* 4) close all memory and io windows.
|
|
* 5) turn off bus power.
|
|
* 6) card detect and power cycle interrupts on.
|
|
* 7) clear interrupt
|
|
*/
|
|
static void
|
|
pccbb_chipinit(struct pccbb_softc *sc)
|
|
{
|
|
pci_chipset_tag_t pc = sc->sc_pc;
|
|
pcitag_t tag = sc->sc_tag;
|
|
bus_space_tag_t bmt = sc->sc_base_memt;
|
|
bus_space_handle_t bmh = sc->sc_base_memh;
|
|
pcireg_t bcr, bhlc, cbctl, csr, lscp, mfunc, mrburst, slotctl, sockctl,
|
|
sysctrl;
|
|
|
|
/*
|
|
* Set PCI command reg.
|
|
* Some laptop's BIOSes (i.e. TICO) do not enable CardBus chip.
|
|
*/
|
|
csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
|
|
/* I believe it is harmless. */
|
|
csr |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
|
|
PCI_COMMAND_MASTER_ENABLE);
|
|
|
|
/* All O2 Micro chips have broken parity-error reporting
|
|
* until proven otherwise. The OZ6933 PCI-CardBus Bridge
|
|
* is known to have the defect---see PR kern/38698.
|
|
*/
|
|
if (sc->sc_chipset != CB_O2MICRO)
|
|
csr |= PCI_COMMAND_PARITY_ENABLE;
|
|
|
|
csr |= PCI_COMMAND_SERR_ENABLE;
|
|
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr);
|
|
|
|
/*
|
|
* Set CardBus latency timer.
|
|
*/
|
|
lscp = pci_conf_read(pc, tag, PCI_CB_LSCP_REG);
|
|
if (PCI_CB_LATENCY(lscp) < 0x20) {
|
|
lscp &= ~(PCI_CB_LATENCY_MASK << PCI_CB_LATENCY_SHIFT);
|
|
lscp |= (0x20 << PCI_CB_LATENCY_SHIFT);
|
|
pci_conf_write(pc, tag, PCI_CB_LSCP_REG, lscp);
|
|
}
|
|
DPRINTF(("CardBus latency timer 0x%x (%x)\n",
|
|
PCI_CB_LATENCY(lscp), pci_conf_read(pc, tag, PCI_CB_LSCP_REG)));
|
|
|
|
/*
|
|
* Set PCI latency timer.
|
|
*/
|
|
bhlc = pci_conf_read(pc, tag, PCI_BHLC_REG);
|
|
if (PCI_LATTIMER(bhlc) < 0x10) {
|
|
bhlc &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
|
|
bhlc |= (0x10 << PCI_LATTIMER_SHIFT);
|
|
pci_conf_write(pc, tag, PCI_BHLC_REG, bhlc);
|
|
}
|
|
DPRINTF(("PCI latency timer 0x%x (%x)\n",
|
|
PCI_LATTIMER(bhlc), pci_conf_read(pc, tag, PCI_BHLC_REG)));
|
|
|
|
|
|
/* Route functional interrupts to PCI. */
|
|
bcr = pci_conf_read(pc, tag, PCI_BRIDGE_CONTROL_REG);
|
|
bcr |= CB_BCR_INTR_IREQ_ENABLE; /* disable PCI Intr */
|
|
bcr |= CB_BCR_WRITE_POST_ENABLE; /* enable write post */
|
|
/* assert reset */
|
|
bcr |= PCI_BRIDGE_CONTROL_SECBR << PCI_BRIDGE_CONTROL_SHIFT;
|
|
/* Set master abort mode to 1, forward SERR# from secondary
|
|
* to primary, and detect parity errors on secondary.
|
|
*/
|
|
bcr |= PCI_BRIDGE_CONTROL_MABRT << PCI_BRIDGE_CONTROL_SHIFT;
|
|
bcr |= PCI_BRIDGE_CONTROL_SERR << PCI_BRIDGE_CONTROL_SHIFT;
|
|
bcr |= PCI_BRIDGE_CONTROL_PERE << PCI_BRIDGE_CONTROL_SHIFT;
|
|
pci_conf_write(pc, tag, PCI_BRIDGE_CONTROL_REG, bcr);
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
cbctl = pci_conf_read(pc, tag, PCI_CBCTRL);
|
|
/* This bit is shared, but may read as 0 on some chips, so set
|
|
it explicitly on both functions. */
|
|
cbctl |= PCI113X_CBCTRL_PCI_IRQ_ENA;
|
|
/* CSC intr enable */
|
|
cbctl |= PCI113X_CBCTRL_PCI_CSC;
|
|
/* functional intr prohibit | prohibit ISA routing */
|
|
cbctl &= ~(PCI113X_CBCTRL_PCI_INTR | PCI113X_CBCTRL_INT_MASK);
|
|
pci_conf_write(pc, tag, PCI_CBCTRL, cbctl);
|
|
break;
|
|
|
|
case CB_TI1420:
|
|
sysctrl = pci_conf_read(pc, tag, PCI_SYSCTRL);
|
|
mrburst = pccbb_burstup
|
|
? PCI1420_SYSCTRL_MRBURST : PCI1420_SYSCTRL_MRBURSTDN;
|
|
if ((sysctrl & PCI1420_SYSCTRL_MRBURST) == mrburst) {
|
|
printf("%s: %swrite bursts enabled\n",
|
|
device_xname(sc->sc_dev),
|
|
pccbb_burstup ? "read/" : "");
|
|
} else if (pccbb_burstup) {
|
|
printf("%s: enabling read/write bursts\n",
|
|
device_xname(sc->sc_dev));
|
|
sysctrl |= PCI1420_SYSCTRL_MRBURST;
|
|
pci_conf_write(pc, tag, PCI_SYSCTRL, sysctrl);
|
|
} else {
|
|
printf("%s: disabling read bursts, "
|
|
"enabling write bursts\n",
|
|
device_xname(sc->sc_dev));
|
|
sysctrl |= PCI1420_SYSCTRL_MRBURSTDN;
|
|
sysctrl &= ~PCI1420_SYSCTRL_MRBURSTUP;
|
|
pci_conf_write(pc, tag, PCI_SYSCTRL, sysctrl);
|
|
}
|
|
/*FALLTHROUGH*/
|
|
case CB_TI12XX:
|
|
/*
|
|
* Some TI 12xx (and [14][45]xx) based pci cards
|
|
* sometimes have issues with the MFUNC register not
|
|
* being initialized due to a bad EEPROM on board.
|
|
* Laptops that this matters on have this register
|
|
* properly initialized.
|
|
*
|
|
* The TI125X parts have a different register.
|
|
*/
|
|
mfunc = pci_conf_read(pc, tag, PCI12XX_MFUNC);
|
|
if ((mfunc & (PCI12XX_MFUNC_PIN0 | PCI12XX_MFUNC_PIN1)) == 0) {
|
|
/* Enable PCI interrupt /INTA */
|
|
mfunc |= PCI12XX_MFUNC_PIN0_INTA;
|
|
|
|
/* XXX this is TI1520 only */
|
|
if ((pci_conf_read(pc, tag, PCI_SYSCTRL) &
|
|
PCI12XX_SYSCTRL_INTRTIE) == 0)
|
|
/* Enable PCI interrupt /INTB */
|
|
mfunc |= PCI12XX_MFUNC_PIN1_INTB;
|
|
|
|
pci_conf_write(pc, tag, PCI12XX_MFUNC, mfunc);
|
|
}
|
|
/* fallthrough */
|
|
|
|
case CB_TI125X:
|
|
/*
|
|
* Disable zoom video. Some machines initialize this
|
|
* improperly and experience has shown that this helps
|
|
* prevent strange behavior.
|
|
*/
|
|
pci_conf_write(pc, tag, PCI12XX_MMCTRL, 0);
|
|
|
|
sysctrl = pci_conf_read(pc, tag, PCI_SYSCTRL);
|
|
sysctrl |= PCI12XX_SYSCTRL_VCCPROT;
|
|
pci_conf_write(pc, tag, PCI_SYSCTRL, sysctrl);
|
|
cbctl = pci_conf_read(pc, tag, PCI_CBCTRL);
|
|
cbctl |= PCI12XX_CBCTRL_CSC;
|
|
pci_conf_write(pc, tag, PCI_CBCTRL, cbctl);
|
|
break;
|
|
|
|
case CB_TOPIC95B:
|
|
sockctl = pci_conf_read(pc, tag, TOPIC_SOCKET_CTRL);
|
|
sockctl |= TOPIC_SOCKET_CTRL_SCR_IRQSEL;
|
|
pci_conf_write(pc, tag, TOPIC_SOCKET_CTRL, sockctl);
|
|
slotctl = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL);
|
|
DPRINTF(("%s: topic slot ctrl reg 0x%x -> ",
|
|
device_xname(sc->sc_dev), slotctl));
|
|
slotctl |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN |
|
|
TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS);
|
|
slotctl &= ~TOPIC_SLOT_CTRL_SWDETECT;
|
|
DPRINTF(("0x%x\n", slotctl));
|
|
pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, slotctl);
|
|
break;
|
|
|
|
case CB_TOPIC97:
|
|
slotctl = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL);
|
|
DPRINTF(("%s: topic slot ctrl reg 0x%x -> ",
|
|
device_xname(sc->sc_dev), slotctl));
|
|
slotctl |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN |
|
|
TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS);
|
|
slotctl &= ~TOPIC_SLOT_CTRL_SWDETECT;
|
|
slotctl |= TOPIC97_SLOT_CTRL_PCIINT;
|
|
slotctl &= ~(TOPIC97_SLOT_CTRL_STSIRQP | TOPIC97_SLOT_CTRL_IRQP);
|
|
DPRINTF(("0x%x\n", slotctl));
|
|
pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, slotctl);
|
|
/* make sure to assert LV card support bits */
|
|
bus_space_write_1(sc->sc_base_memt, sc->sc_base_memh,
|
|
0x800 + 0x3e,
|
|
bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh,
|
|
0x800 + 0x3e) | 0x03);
|
|
break;
|
|
}
|
|
|
|
/* Close all memory and I/O windows. */
|
|
pci_conf_write(pc, tag, PCI_CB_MEMBASE0, 0xffffffff);
|
|
pci_conf_write(pc, tag, PCI_CB_MEMLIMIT0, 0);
|
|
pci_conf_write(pc, tag, PCI_CB_MEMBASE1, 0xffffffff);
|
|
pci_conf_write(pc, tag, PCI_CB_MEMLIMIT1, 0);
|
|
pci_conf_write(pc, tag, PCI_CB_IOBASE0, 0xffffffff);
|
|
pci_conf_write(pc, tag, PCI_CB_IOLIMIT0, 0);
|
|
pci_conf_write(pc, tag, PCI_CB_IOBASE1, 0xffffffff);
|
|
pci_conf_write(pc, tag, PCI_CB_IOLIMIT1, 0);
|
|
|
|
/* reset 16-bit pcmcia bus */
|
|
bus_space_write_1(bmt, bmh, 0x800 + PCIC_INTR,
|
|
bus_space_read_1(bmt, bmh, 0x800 + PCIC_INTR) & ~PCIC_INTR_RESET);
|
|
|
|
/* turn off power */
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
}
|
|
|
|
static void
|
|
pccbb_intrinit(struct pccbb_softc *sc)
|
|
{
|
|
pcireg_t sockmask;
|
|
const char *intrstr = NULL;
|
|
pci_intr_handle_t ih;
|
|
pci_chipset_tag_t pc = sc->sc_pc;
|
|
bus_space_tag_t bmt = sc->sc_base_memt;
|
|
bus_space_handle_t bmh = sc->sc_base_memh;
|
|
|
|
/* Map and establish the interrupt. */
|
|
if (pci_intr_map(&sc->sc_pa, &ih)) {
|
|
aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pc, ih);
|
|
|
|
/*
|
|
* XXX pccbbintr should be called under the priority lower
|
|
* than any other hard interrupts.
|
|
*/
|
|
KASSERT(sc->sc_ih == NULL);
|
|
sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, pccbbintr, sc);
|
|
|
|
if (sc->sc_ih == NULL) {
|
|
aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
|
|
if (intrstr != NULL)
|
|
aprint_error(" at %s\n", intrstr);
|
|
else
|
|
aprint_error("\n");
|
|
return;
|
|
}
|
|
|
|
aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
|
|
|
|
/* CSC Interrupt: Card detect and power cycle interrupts on */
|
|
sockmask = bus_space_read_4(bmt, bmh, CB_SOCKET_MASK);
|
|
sockmask |= CB_SOCKET_MASK_CSTS | CB_SOCKET_MASK_CD |
|
|
CB_SOCKET_MASK_POWER;
|
|
bus_space_write_4(bmt, bmh, CB_SOCKET_MASK, sockmask);
|
|
/* reset interrupt */
|
|
bus_space_write_4(bmt, bmh, CB_SOCKET_EVENT,
|
|
bus_space_read_4(bmt, bmh, CB_SOCKET_EVENT));
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_attach_setup(struct pccbb_softc *sc,
|
|
* struct pcmciabus_attach_args *paa)
|
|
*
|
|
* This function attaches 16-bit PCcard bus.
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_attach_setup(struct pccbb_softc *sc,
|
|
struct pcmciabus_attach_args *paa)
|
|
{
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
/*
|
|
* We need to do a few things here:
|
|
* 1) Disable routing of CSC and functional interrupts to ISA IRQs by
|
|
* setting the IRQ numbers to 0.
|
|
* 2) Set bit 4 of PCIC_INTR, which is needed on some chips to enable
|
|
* routing of CSC interrupts (e.g. card removal) to PCI while in
|
|
* PCMCIA mode. We just leave this set all the time.
|
|
* 3) Enable card insertion/removal interrupts in case the chip also
|
|
* needs that while in PCMCIA mode.
|
|
* 4) Clear any pending CSC interrupt.
|
|
*/
|
|
Pcic_write(sc, PCIC_INTR, PCIC_INTR_ENABLE);
|
|
if (sc->sc_chipset == CB_TI113X) {
|
|
Pcic_write(sc, PCIC_CSC_INTR, 0);
|
|
} else {
|
|
Pcic_write(sc, PCIC_CSC_INTR, PCIC_CSC_INTR_CD_ENABLE);
|
|
Pcic_read(sc, PCIC_CSC);
|
|
}
|
|
|
|
/* initialize pcmcia bus attachment */
|
|
paa->paa_busname = "pcmcia";
|
|
paa->pct = &pccbb_pcmcia_funcs;
|
|
paa->pch = sc;
|
|
paa->iobase = 0; /* I don't use them */
|
|
paa->iosize = 0;
|
|
#if rbus
|
|
rb = sc->sc_rbus_iot;
|
|
paa->iobase = rb->rb_start + rb->rb_offset;
|
|
paa->iosize = rb->rb_end - rb->rb_start;
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* int pccbbintr(arg)
|
|
* void *arg;
|
|
* This routine handles the interrupt from Yenta PCI-CardBus bridge
|
|
* itself.
|
|
*/
|
|
int
|
|
pccbbintr(void *arg)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)arg;
|
|
struct cardslot_softc *csc;
|
|
u_int32_t sockevent, sockstate;
|
|
bus_space_tag_t memt = sc->sc_base_memt;
|
|
bus_space_handle_t memh = sc->sc_base_memh;
|
|
|
|
if (!device_has_power(sc->sc_dev))
|
|
return 0;
|
|
|
|
sockevent = bus_space_read_4(memt, memh, CB_SOCKET_EVENT);
|
|
bus_space_write_4(memt, memh, CB_SOCKET_EVENT, sockevent);
|
|
Pcic_read(sc, PCIC_CSC);
|
|
|
|
if (sockevent != 0) {
|
|
DPRINTF(("%s: enter sockevent %" PRIx32 "\n",
|
|
__func__, sockevent));
|
|
}
|
|
|
|
/* XXX sockevent == CB_SOCKET_EVENT_CSTS|CB_SOCKET_EVENT_POWER
|
|
* does occur in the wild. Check for a _POWER event before
|
|
* possibly exiting because of an _CSTS event.
|
|
*/
|
|
if (sockevent & CB_SOCKET_EVENT_POWER) {
|
|
DPRINTF(("Powercycling because of socket event\n"));
|
|
/* XXX: Does not happen when attaching a 16-bit card */
|
|
mutex_enter(&sc->sc_pwr_mtx);
|
|
sc->sc_pwrcycle++;
|
|
cv_signal(&sc->sc_pwr_cv);
|
|
mutex_exit(&sc->sc_pwr_mtx);
|
|
}
|
|
|
|
/* Sometimes a change of CSTSCHG# accompanies the first
|
|
* interrupt from an Atheros WLAN. That generates a
|
|
* CB_SOCKET_EVENT_CSTS event on the bridge. The event
|
|
* isn't interesting to pccbb(4), so we used to ignore the
|
|
* interrupt. Now, let the child devices try to handle
|
|
* the interrupt, instead. The Atheros NIC produces
|
|
* interrupts more reliably, now: used to be that it would
|
|
* only interrupt if the driver avoided powering down the
|
|
* NIC's cardslot, and then the NIC would only work after
|
|
* it was reset a second time.
|
|
*/
|
|
if (sockevent == 0 ||
|
|
(sockevent & ~(CB_SOCKET_EVENT_POWER|CB_SOCKET_EVENT_CD)) != 0) {
|
|
/* This intr is not for me: it may be for my child devices. */
|
|
if (sc->sc_pil_intr_enable) {
|
|
return pccbbintr_function(sc);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (sockevent & CB_SOCKET_EVENT_CD) {
|
|
sockstate = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
|
|
if (0x00 != (sockstate & CB_SOCKET_STAT_CD)) {
|
|
/* A card should be removed. */
|
|
if (sc->sc_flags & CBB_CARDEXIST) {
|
|
DPRINTF(("%s: 0x%08x",
|
|
device_xname(sc->sc_dev), sockevent));
|
|
DPRINTF((" card removed, 0x%08x\n", sockstate));
|
|
sc->sc_flags &= ~CBB_CARDEXIST;
|
|
if ((csc = sc->sc_csc) == NULL)
|
|
;
|
|
else if (csc->sc_status &
|
|
CARDSLOT_STATUS_CARD_16) {
|
|
cardslot_event_throw(csc,
|
|
CARDSLOT_EVENT_REMOVAL_16);
|
|
} else if (csc->sc_status &
|
|
CARDSLOT_STATUS_CARD_CB) {
|
|
/* Cardbus intr removed */
|
|
cardslot_event_throw(csc,
|
|
CARDSLOT_EVENT_REMOVAL_CB);
|
|
}
|
|
} else if (sc->sc_flags & CBB_INSERTING) {
|
|
sc->sc_flags &= ~CBB_INSERTING;
|
|
callout_stop(&sc->sc_insert_ch);
|
|
}
|
|
} else if (0x00 == (sockstate & CB_SOCKET_STAT_CD) &&
|
|
/*
|
|
* The pccbbintr may called from powerdown hook when
|
|
* the system resumed, to detect the card
|
|
* insertion/removal during suspension.
|
|
*/
|
|
(sc->sc_flags & CBB_CARDEXIST) == 0) {
|
|
if (sc->sc_flags & CBB_INSERTING) {
|
|
callout_stop(&sc->sc_insert_ch);
|
|
}
|
|
callout_schedule(&sc->sc_insert_ch, mstohz(200));
|
|
sc->sc_flags |= CBB_INSERTING;
|
|
}
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* static int pccbbintr_function(struct pccbb_softc *sc)
|
|
*
|
|
* This function calls each interrupt handler registered at the
|
|
* bridge. The interrupt handlers are called in registered order.
|
|
*/
|
|
static int
|
|
pccbbintr_function(struct pccbb_softc *sc)
|
|
{
|
|
int retval = 0, val;
|
|
struct pccbb_intrhand_list *pil;
|
|
int s;
|
|
|
|
LIST_FOREACH(pil, &sc->sc_pil, pil_next) {
|
|
s = splraiseipl(pil->pil_icookie);
|
|
val = (*pil->pil_func)(pil->pil_arg);
|
|
splx(s);
|
|
|
|
retval = retval == 1 ? 1 :
|
|
retval == 0 ? val : val != 0 ? val : retval;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
pci113x_insert(void *arg)
|
|
{
|
|
struct pccbb_softc *sc = arg;
|
|
struct cardslot_softc *csc;
|
|
u_int32_t sockevent, sockstate;
|
|
|
|
if (!(sc->sc_flags & CBB_INSERTING)) {
|
|
/* We add a card only under inserting state. */
|
|
return;
|
|
}
|
|
sc->sc_flags &= ~CBB_INSERTING;
|
|
|
|
sockevent = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
|
|
CB_SOCKET_EVENT);
|
|
sockstate = bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
|
|
CB_SOCKET_STAT);
|
|
|
|
if (0 == (sockstate & CB_SOCKET_STAT_CD)) { /* card exist */
|
|
DPRINTF(("%s: 0x%08x", device_xname(sc->sc_dev), sockevent));
|
|
DPRINTF((" card inserted, 0x%08x\n", sockstate));
|
|
sc->sc_flags |= CBB_CARDEXIST;
|
|
/* call pccard interrupt handler here */
|
|
if ((csc = sc->sc_csc) == NULL)
|
|
;
|
|
else if (sockstate & CB_SOCKET_STAT_16BIT) {
|
|
/* 16-bit card found */
|
|
cardslot_event_throw(csc, CARDSLOT_EVENT_INSERTION_16);
|
|
} else if (sockstate & CB_SOCKET_STAT_CB) {
|
|
/* cardbus card found */
|
|
cardslot_event_throw(csc, CARDSLOT_EVENT_INSERTION_CB);
|
|
} else {
|
|
/* who are you? */
|
|
}
|
|
} else {
|
|
callout_schedule(&sc->sc_insert_ch, mstohz(100));
|
|
}
|
|
}
|
|
|
|
#define PCCBB_PCMCIA_OFFSET 0x800
|
|
static u_int8_t
|
|
pccbb_pcmcia_read(struct pccbb_softc *sc, int reg)
|
|
{
|
|
bus_space_barrier(sc->sc_base_memt, sc->sc_base_memh,
|
|
PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_READ);
|
|
|
|
return bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh,
|
|
PCCBB_PCMCIA_OFFSET + reg);
|
|
}
|
|
|
|
static void
|
|
pccbb_pcmcia_write(struct pccbb_softc *sc, int reg, u_int8_t val)
|
|
{
|
|
bus_space_write_1(sc->sc_base_memt, sc->sc_base_memh,
|
|
PCCBB_PCMCIA_OFFSET + reg, val);
|
|
|
|
bus_space_barrier(sc->sc_base_memt, sc->sc_base_memh,
|
|
PCCBB_PCMCIA_OFFSET + reg, 1, BUS_SPACE_BARRIER_WRITE);
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_ctrl(cardbus_chipset_tag_t, int)
|
|
*/
|
|
STATIC int
|
|
pccbb_ctrl(cardbus_chipset_tag_t ct, int command)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
switch (command) {
|
|
case CARDBUS_CD:
|
|
if (2 == pccbb_detect_card(sc)) {
|
|
int retval = 0;
|
|
int status = cb_detect_voltage(sc);
|
|
if (PCCARD_VCC_5V & status) {
|
|
retval |= CARDBUS_5V_CARD;
|
|
}
|
|
if (PCCARD_VCC_3V & status) {
|
|
retval |= CARDBUS_3V_CARD;
|
|
}
|
|
if (PCCARD_VCC_XV & status) {
|
|
retval |= CARDBUS_XV_CARD;
|
|
}
|
|
if (PCCARD_VCC_YV & status) {
|
|
retval |= CARDBUS_YV_CARD;
|
|
}
|
|
return retval;
|
|
} else {
|
|
return 0;
|
|
}
|
|
case CARDBUS_RESET:
|
|
return cb_reset(sc);
|
|
case CARDBUS_IO_ENABLE: /* fallthrough */
|
|
case CARDBUS_IO_DISABLE: /* fallthrough */
|
|
case CARDBUS_MEM_ENABLE: /* fallthrough */
|
|
case CARDBUS_MEM_DISABLE: /* fallthrough */
|
|
case CARDBUS_BM_ENABLE: /* fallthrough */
|
|
case CARDBUS_BM_DISABLE: /* fallthrough */
|
|
/* XXX: I think we don't need to call this function below. */
|
|
return pccbb_cardenable(sc, command);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
STATIC int
|
|
pccbb_power_ct(cardbus_chipset_tag_t ct, int command)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
return pccbb_power(sc, command);
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_power(cardbus_chipset_tag_t, int)
|
|
* This function returns true when it succeeds and returns false when
|
|
* it fails.
|
|
*/
|
|
STATIC int
|
|
pccbb_power(struct pccbb_softc *sc, int command)
|
|
{
|
|
u_int32_t status, osock_ctrl, sock_ctrl, reg_ctrl;
|
|
bus_space_tag_t memt = sc->sc_base_memt;
|
|
bus_space_handle_t memh = sc->sc_base_memh;
|
|
int on = 0, pwrcycle, times;
|
|
struct timeval before, after, diff;
|
|
|
|
DPRINTF(("pccbb_power: %s and %s [0x%x]\n",
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_UC ? "CARDBUS_VCC_UC" :
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_5V ? "CARDBUS_VCC_5V" :
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_3V ? "CARDBUS_VCC_3V" :
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_XV ? "CARDBUS_VCC_XV" :
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_YV ? "CARDBUS_VCC_YV" :
|
|
(command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V ? "CARDBUS_VCC_0V" :
|
|
"UNKNOWN",
|
|
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_UC ? "CARDBUS_VPP_UC" :
|
|
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_12V ? "CARDBUS_VPP_12V" :
|
|
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_VCC ? "CARDBUS_VPP_VCC" :
|
|
(command & CARDBUS_VPPMASK) == CARDBUS_VPP_0V ? "CARDBUS_VPP_0V" :
|
|
"UNKNOWN", command));
|
|
|
|
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
|
|
osock_ctrl = sock_ctrl = bus_space_read_4(memt, memh, CB_SOCKET_CTRL);
|
|
|
|
switch (command & CARDBUS_VCCMASK) {
|
|
case CARDBUS_VCC_UC:
|
|
break;
|
|
case CARDBUS_VCC_5V:
|
|
on++;
|
|
if (CB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= CB_SOCKET_CTRL_VCC_5V;
|
|
} else {
|
|
aprint_error_dev(sc->sc_dev,
|
|
"BAD voltage request: no 5 V card\n");
|
|
return 0;
|
|
}
|
|
break;
|
|
case CARDBUS_VCC_3V:
|
|
on++;
|
|
if (CB_SOCKET_STAT_3VCARD & status) {
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= CB_SOCKET_CTRL_VCC_3V;
|
|
} else {
|
|
aprint_error_dev(sc->sc_dev,
|
|
"BAD voltage request: no 3.3 V card\n");
|
|
return 0;
|
|
}
|
|
break;
|
|
case CARDBUS_VCC_0V:
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
break;
|
|
default:
|
|
return 0; /* power NEVER changed */
|
|
}
|
|
|
|
switch (command & CARDBUS_VPPMASK) {
|
|
case CARDBUS_VPP_UC:
|
|
break;
|
|
case CARDBUS_VPP_0V:
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
|
|
break;
|
|
case CARDBUS_VPP_VCC:
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
|
|
sock_ctrl |= ((sock_ctrl >> 4) & 0x07);
|
|
break;
|
|
case CARDBUS_VPP_12V:
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
|
|
sock_ctrl |= CB_SOCKET_CTRL_VPP_12V;
|
|
break;
|
|
}
|
|
aprint_debug_dev(sc->sc_dev, "osock_ctrl %#" PRIx32
|
|
" sock_ctrl %#" PRIx32 "\n", osock_ctrl, sock_ctrl);
|
|
|
|
microtime(&before);
|
|
mutex_enter(&sc->sc_pwr_mtx);
|
|
pwrcycle = sc->sc_pwrcycle;
|
|
|
|
bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl);
|
|
|
|
/*
|
|
* Wait as long as 200ms for a power-cycle interrupt. If
|
|
* interrupts are enabled, but the socket has already
|
|
* changed to the desired status, keep waiting for the
|
|
* interrupt. "Consuming" the interrupt in this way keeps
|
|
* the interrupt from prematurely waking some subsequent
|
|
* pccbb_power call.
|
|
*
|
|
* XXX Not every bridge interrupts on the ->OFF transition.
|
|
* XXX That's ok, we will time-out after 200ms.
|
|
*
|
|
* XXX The power cycle event will never happen when attaching
|
|
* XXX a 16-bit card. That's ok, we will time-out after
|
|
* XXX 200ms.
|
|
*/
|
|
for (times = 5; --times >= 0; ) {
|
|
if (cold)
|
|
DELAY(40 * 1000);
|
|
else {
|
|
(void)cv_timedwait(&sc->sc_pwr_cv, &sc->sc_pwr_mtx,
|
|
mstohz(40));
|
|
if (pwrcycle == sc->sc_pwrcycle)
|
|
continue;
|
|
}
|
|
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
|
|
if ((status & CB_SOCKET_STAT_PWRCYCLE) != 0 && on)
|
|
break;
|
|
if ((status & CB_SOCKET_STAT_PWRCYCLE) == 0 && !on)
|
|
break;
|
|
}
|
|
mutex_exit(&sc->sc_pwr_mtx);
|
|
microtime(&after);
|
|
timersub(&after, &before, &diff);
|
|
aprint_debug_dev(sc->sc_dev, "wait took%s %lld.%06lds\n",
|
|
(on && times < 0) ? " too long" : "", (long long)diff.tv_sec,
|
|
(long)diff.tv_usec);
|
|
|
|
/*
|
|
* Ok, wait a bit longer for things to settle.
|
|
*/
|
|
if (on && sc->sc_chipset == CB_TOPIC95B)
|
|
delay_ms(100, sc);
|
|
|
|
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
|
|
|
|
if (on && sc->sc_chipset != CB_TOPIC95B) {
|
|
if ((status & CB_SOCKET_STAT_PWRCYCLE) == 0)
|
|
aprint_error_dev(sc->sc_dev, "power on failed?\n");
|
|
}
|
|
|
|
if (status & CB_SOCKET_STAT_BADVCC) { /* bad Vcc request */
|
|
aprint_error_dev(sc->sc_dev,
|
|
"bad Vcc request. sock_ctrl 0x%x, sock_status 0x%x\n",
|
|
sock_ctrl, status);
|
|
aprint_error_dev(sc->sc_dev, "disabling socket\n");
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VPPMASK;
|
|
bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl);
|
|
status &= ~CB_SOCKET_STAT_BADVCC;
|
|
bus_space_write_4(memt, memh, CB_SOCKET_FORCE, status);
|
|
printf("new status 0x%x\n", bus_space_read_4(memt, memh,
|
|
CB_SOCKET_STAT));
|
|
return 0;
|
|
}
|
|
|
|
if (sc->sc_chipset == CB_TOPIC97) {
|
|
reg_ctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, TOPIC_REG_CTRL);
|
|
reg_ctrl &= ~TOPIC97_REG_CTRL_TESTMODE;
|
|
if ((command & CARDBUS_VCCMASK) == CARDBUS_VCC_0V)
|
|
reg_ctrl &= ~TOPIC97_REG_CTRL_CLKRUN_ENA;
|
|
else
|
|
reg_ctrl |= TOPIC97_REG_CTRL_CLKRUN_ENA;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, TOPIC_REG_CTRL, reg_ctrl);
|
|
}
|
|
|
|
return 1; /* power changed correctly */
|
|
}
|
|
|
|
/*
|
|
* static int pccbb_detect_card(struct pccbb_softc *sc)
|
|
* return value: 0 if no card exists.
|
|
* 1 if 16-bit card exists.
|
|
* 2 if cardbus card exists.
|
|
*/
|
|
static int
|
|
pccbb_detect_card(struct pccbb_softc *sc)
|
|
{
|
|
bus_space_handle_t base_memh = sc->sc_base_memh;
|
|
bus_space_tag_t base_memt = sc->sc_base_memt;
|
|
u_int32_t sockstat =
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_STAT);
|
|
int retval = 0;
|
|
|
|
/* CD1 and CD2 asserted */
|
|
if (0x00 == (sockstat & CB_SOCKET_STAT_CD)) {
|
|
/* card must be present */
|
|
if (!(CB_SOCKET_STAT_NOTCARD & sockstat)) {
|
|
/* NOTACARD DEASSERTED */
|
|
if (CB_SOCKET_STAT_CB & sockstat) {
|
|
/* CardBus mode */
|
|
retval = 2;
|
|
} else if (CB_SOCKET_STAT_16BIT & sockstat) {
|
|
/* 16-bit mode */
|
|
retval = 1;
|
|
}
|
|
}
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
/*
|
|
* STATIC int cb_reset(struct pccbb_softc *sc)
|
|
* This function resets CardBus card.
|
|
*/
|
|
STATIC int
|
|
cb_reset(struct pccbb_softc *sc)
|
|
{
|
|
/*
|
|
* Reset Assert at least 20 ms
|
|
* Some machines request longer duration.
|
|
*/
|
|
int reset_duration =
|
|
(sc->sc_chipset == CB_RX5C47X ? 400 : 50);
|
|
u_int32_t bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG);
|
|
aprint_debug("%s: enter bcr %" PRIx32 "\n", __func__, bcr);
|
|
|
|
/* Reset bit Assert (bit 6 at 0x3E) */
|
|
bcr |= PCI_BRIDGE_CONTROL_SECBR << PCI_BRIDGE_CONTROL_SHIFT;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG, bcr);
|
|
aprint_debug("%s: wrote bcr %" PRIx32 "\n", __func__, bcr);
|
|
delay_ms(reset_duration, sc);
|
|
|
|
if (CBB_CARDEXIST & sc->sc_flags) { /* A card exists. Reset it! */
|
|
/* Reset bit Deassert (bit 6 at 0x3E) */
|
|
bcr &= ~(PCI_BRIDGE_CONTROL_SECBR << PCI_BRIDGE_CONTROL_SHIFT);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG,
|
|
bcr);
|
|
aprint_debug("%s: wrote bcr %" PRIx32 "\n", __func__, bcr);
|
|
delay_ms(reset_duration, sc);
|
|
aprint_debug("%s: end of delay\n", __func__);
|
|
}
|
|
/* No card found on the slot. Keep Reset. */
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* STATIC int cb_detect_voltage(struct pccbb_softc *sc)
|
|
* This function detect card Voltage.
|
|
*/
|
|
STATIC int
|
|
cb_detect_voltage(struct pccbb_softc *sc)
|
|
{
|
|
u_int32_t psr; /* socket present-state reg */
|
|
bus_space_tag_t iot = sc->sc_base_memt;
|
|
bus_space_handle_t ioh = sc->sc_base_memh;
|
|
int vol = PCCARD_VCC_UKN; /* set 0 */
|
|
|
|
psr = bus_space_read_4(iot, ioh, CB_SOCKET_STAT);
|
|
|
|
if (0x400u & psr) {
|
|
vol |= PCCARD_VCC_5V;
|
|
}
|
|
if (0x800u & psr) {
|
|
vol |= PCCARD_VCC_3V;
|
|
}
|
|
|
|
return vol;
|
|
}
|
|
|
|
STATIC int
|
|
cbbprint(void *aux, const char *pcic)
|
|
{
|
|
#if 0
|
|
struct cbslot_attach_args *cba = aux;
|
|
|
|
if (cba->cba_slot >= 0) {
|
|
aprint_normal(" slot %d", cba->cba_slot);
|
|
}
|
|
#endif
|
|
return UNCONF;
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_cardenable(struct pccbb_softc *sc, int function)
|
|
* This function enables and disables the card
|
|
*/
|
|
STATIC int
|
|
pccbb_cardenable(struct pccbb_softc *sc, int function)
|
|
{
|
|
u_int32_t command =
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
|
|
|
|
DPRINTF(("pccbb_cardenable:"));
|
|
switch (function) {
|
|
case CARDBUS_IO_ENABLE:
|
|
command |= PCI_COMMAND_IO_ENABLE;
|
|
break;
|
|
case CARDBUS_IO_DISABLE:
|
|
command &= ~PCI_COMMAND_IO_ENABLE;
|
|
break;
|
|
case CARDBUS_MEM_ENABLE:
|
|
command |= PCI_COMMAND_MEM_ENABLE;
|
|
break;
|
|
case CARDBUS_MEM_DISABLE:
|
|
command &= ~PCI_COMMAND_MEM_ENABLE;
|
|
break;
|
|
case CARDBUS_BM_ENABLE:
|
|
command |= PCI_COMMAND_MASTER_ENABLE;
|
|
break;
|
|
case CARDBUS_BM_DISABLE:
|
|
command &= ~PCI_COMMAND_MASTER_ENABLE;
|
|
break;
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command);
|
|
DPRINTF((" command reg 0x%x\n", command));
|
|
return 1;
|
|
}
|
|
|
|
#if !rbus
|
|
static int
|
|
pccbb_io_open(cardbus_chipset_tag_t ct, int win, uint32_t start, uint32_t end)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 2)) {
|
|
#if defined DIAGNOSTIC
|
|
printf("cardbus_io_open: window out of range %d\n", win);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
basereg = win * 8 + PCI_CB_IOBASE0;
|
|
limitreg = win * 8 + PCI_CB_IOLIMIT0;
|
|
|
|
DPRINTF(("pccbb_io_open: 0x%x[0x%x] - 0x%x[0x%x]\n",
|
|
start, basereg, end, limitreg));
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* int pccbb_io_close(cardbus_chipset_tag_t, int)
|
|
*/
|
|
static int
|
|
pccbb_io_close(cardbus_chipset_tag_t ct, int win)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 2)) {
|
|
#if defined DIAGNOSTIC
|
|
printf("cardbus_io_close: window out of range %d\n", win);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
basereg = win * 8 + PCI_CB_IOBASE0;
|
|
limitreg = win * 8 + PCI_CB_IOLIMIT0;
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
pccbb_mem_open(cardbus_chipset_tag_t ct, int win, uint32_t start, uint32_t end)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 2)) {
|
|
#if defined DIAGNOSTIC
|
|
printf("cardbus_mem_open: window out of range %d\n", win);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
basereg = win * 8 + PCI_CB_MEMBASE0;
|
|
limitreg = win * 8 + PCI_CB_MEMLIMIT0;
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, start);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, end);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
pccbb_mem_close(cardbus_chipset_tag_t ct, int win)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
int basereg;
|
|
int limitreg;
|
|
|
|
if ((win < 0) || (win > 2)) {
|
|
#if defined DIAGNOSTIC
|
|
printf("cardbus_mem_close: window out of range %d\n", win);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
basereg = win * 8 + PCI_CB_MEMBASE0;
|
|
limitreg = win * 8 + PCI_CB_MEMLIMIT0;
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0);
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* static void *pccbb_cb_intr_establish(cardbus_chipset_tag_t ct,
|
|
* int irq,
|
|
* int level,
|
|
* int (* func)(void *),
|
|
* void *arg)
|
|
*
|
|
* This function registers an interrupt handler at the bridge, in
|
|
* order not to call the interrupt handlers of child devices when
|
|
* a card-deletion interrupt occurs.
|
|
*
|
|
* The arguments irq and level are not used.
|
|
*/
|
|
static void *
|
|
pccbb_cb_intr_establish(cardbus_chipset_tag_t ct, cardbus_intr_line_t irq,
|
|
int level, int (*func)(void *), void *arg)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
return pccbb_intr_establish(sc, irq, level, func, arg);
|
|
}
|
|
|
|
|
|
/*
|
|
* static void *pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct,
|
|
* void *ih)
|
|
*
|
|
* This function removes an interrupt handler pointed by ih.
|
|
*/
|
|
static void
|
|
pccbb_cb_intr_disestablish(cardbus_chipset_tag_t ct, void *ih)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
pccbb_intr_disestablish(sc, ih);
|
|
}
|
|
|
|
|
|
void
|
|
pccbb_intr_route(struct pccbb_softc *sc)
|
|
{
|
|
pcireg_t bcr, cbctrl;
|
|
|
|
/* initialize bridge intr routing */
|
|
bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG);
|
|
bcr &= ~CB_BCR_INTR_IREQ_ENABLE;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG, bcr);
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
cbctrl = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL);
|
|
/* functional intr enabled */
|
|
cbctrl |= PCI113X_CBCTRL_PCI_INTR;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, cbctrl);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* static void *pccbb_intr_establish(struct pccbb_softc *sc,
|
|
* int irq,
|
|
* int level,
|
|
* int (* func)(void *),
|
|
* void *arg)
|
|
*
|
|
* This function registers an interrupt handler at the bridge, in
|
|
* order not to call the interrupt handlers of child devices when
|
|
* a card-deletion interrupt occurs.
|
|
*
|
|
* The arguments irq is not used because pccbb selects intr vector.
|
|
*/
|
|
static void *
|
|
pccbb_intr_establish(struct pccbb_softc *sc, cardbus_intr_line_t irq,
|
|
int level, int (*func)(void *), void *arg)
|
|
{
|
|
struct pccbb_intrhand_list *pil, *newpil;
|
|
|
|
DPRINTF(("pccbb_intr_establish start. %p\n", LIST_FIRST(&sc->sc_pil)));
|
|
|
|
if (LIST_EMPTY(&sc->sc_pil)) {
|
|
pccbb_intr_route(sc);
|
|
}
|
|
|
|
/*
|
|
* Allocate a room for interrupt handler structure.
|
|
*/
|
|
if (NULL == (newpil =
|
|
(struct pccbb_intrhand_list *)malloc(sizeof(struct
|
|
pccbb_intrhand_list), M_DEVBUF, M_WAITOK))) {
|
|
return NULL;
|
|
}
|
|
|
|
newpil->pil_func = func;
|
|
newpil->pil_arg = arg;
|
|
newpil->pil_icookie = makeiplcookie(level);
|
|
|
|
if (LIST_EMPTY(&sc->sc_pil)) {
|
|
LIST_INSERT_HEAD(&sc->sc_pil, newpil, pil_next);
|
|
} else {
|
|
for (pil = LIST_FIRST(&sc->sc_pil);
|
|
LIST_NEXT(pil, pil_next) != NULL;
|
|
pil = LIST_NEXT(pil, pil_next));
|
|
LIST_INSERT_AFTER(pil, newpil, pil_next);
|
|
}
|
|
|
|
DPRINTF(("pccbb_intr_establish add pil. %p\n",
|
|
LIST_FIRST(&sc->sc_pil)));
|
|
|
|
return newpil;
|
|
}
|
|
|
|
/*
|
|
* static void *pccbb_intr_disestablish(struct pccbb_softc *sc,
|
|
* void *ih)
|
|
*
|
|
* This function removes an interrupt handler pointed by ih. ih
|
|
* should be the value returned by cardbus_intr_establish() or
|
|
* NULL.
|
|
*
|
|
* When ih is NULL, this function will do nothing.
|
|
*/
|
|
static void
|
|
pccbb_intr_disestablish(struct pccbb_softc *sc, void *ih)
|
|
{
|
|
struct pccbb_intrhand_list *pil;
|
|
pcireg_t reg;
|
|
|
|
DPRINTF(("pccbb_intr_disestablish start. %p\n",
|
|
LIST_FIRST(&sc->sc_pil)));
|
|
|
|
if (ih == NULL) {
|
|
/* intr handler is not set */
|
|
DPRINTF(("pccbb_intr_disestablish: no ih\n"));
|
|
return;
|
|
}
|
|
|
|
#ifdef DIAGNOSTIC
|
|
LIST_FOREACH(pil, &sc->sc_pil, pil_next) {
|
|
DPRINTF(("pccbb_intr_disestablish: pil %p\n", pil));
|
|
if (pil == ih) {
|
|
DPRINTF(("pccbb_intr_disestablish frees one pil\n"));
|
|
break;
|
|
}
|
|
}
|
|
if (pil == NULL) {
|
|
panic("pccbb_intr_disestablish: %s cannot find pil %p",
|
|
device_xname(sc->sc_dev), ih);
|
|
}
|
|
#endif
|
|
|
|
pil = (struct pccbb_intrhand_list *)ih;
|
|
LIST_REMOVE(pil, pil_next);
|
|
free(pil, M_DEVBUF);
|
|
DPRINTF(("pccbb_intr_disestablish frees one pil\n"));
|
|
|
|
if (LIST_EMPTY(&sc->sc_pil)) {
|
|
/* No interrupt handlers */
|
|
|
|
DPRINTF(("pccbb_intr_disestablish: no interrupt handler\n"));
|
|
|
|
/* stop routing PCI intr */
|
|
reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG);
|
|
reg |= CB_BCR_INTR_IREQ_ENABLE;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BRIDGE_CONTROL_REG, reg);
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
reg = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CBCTRL);
|
|
/* functional intr disabled */
|
|
reg &= ~PCI113X_CBCTRL_PCI_INTR;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_CBCTRL, reg);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined SHOW_REGS
|
|
static void
|
|
cb_show_regs(pci_chipset_tag_t pc, pcitag_t tag, bus_space_tag_t memt,
|
|
bus_space_handle_t memh)
|
|
{
|
|
int i;
|
|
printf("PCI config regs:");
|
|
for (i = 0; i < 0x50; i += 4) {
|
|
if (i % 16 == 0)
|
|
printf("\n 0x%02x:", i);
|
|
printf(" %08x", pci_conf_read(pc, tag, i));
|
|
}
|
|
for (i = 0x80; i < 0xb0; i += 4) {
|
|
if (i % 16 == 0)
|
|
printf("\n 0x%02x:", i);
|
|
printf(" %08x", pci_conf_read(pc, tag, i));
|
|
}
|
|
|
|
if (memh == 0) {
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
printf("\nsocket regs:");
|
|
for (i = 0; i <= 0x10; i += 0x04)
|
|
printf(" %08x", bus_space_read_4(memt, memh, i));
|
|
printf("\nExCA regs:");
|
|
for (i = 0; i < 0x08; ++i)
|
|
printf(" %02x", bus_space_read_1(memt, memh, 0x800 + i));
|
|
printf("\n");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* static pcitag_t pccbb_make_tag(cardbus_chipset_tag_t cc,
|
|
* int busno, int function)
|
|
* This is the function to make a tag to access config space of
|
|
* a CardBus Card. It works same as pci_conf_read.
|
|
*/
|
|
static pcitag_t
|
|
pccbb_make_tag(cardbus_chipset_tag_t cc, int busno, int function)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
|
|
|
|
return pci_make_tag(sc->sc_pc, busno, 0, function);
|
|
}
|
|
|
|
/*
|
|
* pccbb_conf_read
|
|
*
|
|
* This is the function to read the config space of a CardBus card.
|
|
* It works the same as pci_conf_read(9).
|
|
*/
|
|
static pcireg_t
|
|
pccbb_conf_read(cardbus_chipset_tag_t cc, pcitag_t tag, int offset)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
|
|
pcitag_t brtag = sc->sc_tag;
|
|
pcireg_t reg;
|
|
|
|
/*
|
|
* clear cardbus master abort status; it is OK to write without
|
|
* reading before because all bits are r/o or w1tc
|
|
*/
|
|
pci_conf_write(sc->sc_pc, brtag, PCI_CBB_SECSTATUS,
|
|
CBB_SECSTATUS_CBMABORT);
|
|
reg = pci_conf_read(sc->sc_pc, tag, offset);
|
|
/* check cardbus master abort status */
|
|
if (pci_conf_read(sc->sc_pc, brtag, PCI_CBB_SECSTATUS)
|
|
& CBB_SECSTATUS_CBMABORT)
|
|
return (0xffffffff);
|
|
return reg;
|
|
}
|
|
|
|
/*
|
|
* pccbb_conf_write
|
|
*
|
|
* This is the function to write the config space of a CardBus
|
|
* card. It works the same as pci_conf_write(9).
|
|
*/
|
|
static void
|
|
pccbb_conf_write(cardbus_chipset_tag_t cc, pcitag_t tag, int reg, pcireg_t val)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
|
|
|
|
pci_conf_write(sc->sc_pc, tag, reg, val);
|
|
}
|
|
|
|
#if 0
|
|
STATIC int
|
|
pccbb_new_pcmcia_io_alloc(pcmcia_chipset_handle_t pch,
|
|
bus_addr_t start, bus_size_t size, bus_size_t align, bus_addr_t mask,
|
|
int speed, int flags,
|
|
bus_space_handle_t * iohp)
|
|
#endif
|
|
/*
|
|
* STATIC int pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t pch,
|
|
* bus_addr_t start, bus_size_t size,
|
|
* bus_size_t align,
|
|
* struct pcmcia_io_handle *pcihp
|
|
*
|
|
* This function only allocates I/O region for pccard. This function
|
|
* never maps the allocated region to pccard I/O area.
|
|
*
|
|
* XXX: The interface of this function is not very good, I believe.
|
|
*/
|
|
STATIC int
|
|
pccbb_pcmcia_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
|
|
bus_size_t size, bus_size_t align, struct pcmcia_io_handle *pcihp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
bus_addr_t ioaddr;
|
|
int flags = 0;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
bus_addr_t mask;
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
if (align == 0) {
|
|
align = size; /* XXX: funny??? */
|
|
}
|
|
|
|
if (start != 0) {
|
|
/* XXX: assume all card decode lower 10 bits by its hardware */
|
|
mask = 0x3ff;
|
|
/* enforce to use only masked address */
|
|
start &= mask;
|
|
} else {
|
|
/*
|
|
* calculate mask:
|
|
* 1. get the most significant bit of size (call it msb).
|
|
* 2. compare msb with the value of size.
|
|
* 3. if size is larger, shift msb left once.
|
|
* 4. obtain mask value to decrement msb.
|
|
*/
|
|
bus_size_t size_tmp = size;
|
|
int shifts = 0;
|
|
|
|
mask = 1;
|
|
while (size_tmp) {
|
|
++shifts;
|
|
size_tmp >>= 1;
|
|
}
|
|
mask = (1 << shifts);
|
|
if (mask < size) {
|
|
mask <<= 1;
|
|
}
|
|
--mask;
|
|
}
|
|
|
|
/*
|
|
* Allocate some arbitrary I/O space.
|
|
*/
|
|
|
|
iot = sc->sc_iot;
|
|
|
|
#if rbus
|
|
rb = sc->sc_rbus_iot;
|
|
if (rbus_space_alloc(rb, start, size, mask, align, 0, &ioaddr, &ioh)) {
|
|
return 1;
|
|
}
|
|
DPRINTF(("pccbb_pcmcia_io_alloc alloc port 0x%lx+0x%lx\n",
|
|
(u_long) ioaddr, (u_long) size));
|
|
#else
|
|
if (start) {
|
|
ioaddr = start;
|
|
if (bus_space_map(iot, start, size, 0, &ioh)) {
|
|
return 1;
|
|
}
|
|
DPRINTF(("pccbb_pcmcia_io_alloc map port 0x%lx+0x%lx\n",
|
|
(u_long) ioaddr, (u_long) size));
|
|
} else {
|
|
flags |= PCMCIA_IO_ALLOCATED;
|
|
if (bus_space_alloc(iot, 0x700 /* ph->sc->sc_iobase */ ,
|
|
0x800, /* ph->sc->sc_iobase + ph->sc->sc_iosize */
|
|
size, align, 0, 0, &ioaddr, &ioh)) {
|
|
/* No room be able to be get. */
|
|
return 1;
|
|
}
|
|
DPRINTF(("pccbb_pcmmcia_io_alloc alloc port 0x%lx+0x%lx\n",
|
|
(u_long) ioaddr, (u_long) size));
|
|
}
|
|
#endif
|
|
|
|
pcihp->iot = iot;
|
|
pcihp->ioh = ioh;
|
|
pcihp->addr = ioaddr;
|
|
pcihp->size = size;
|
|
pcihp->flags = flags;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch,
|
|
* struct pcmcia_io_handle *pcihp)
|
|
*
|
|
* This function only frees I/O region for pccard.
|
|
*
|
|
* XXX: The interface of this function is not very good, I believe.
|
|
*/
|
|
void
|
|
pccbb_pcmcia_io_free(pcmcia_chipset_handle_t pch,
|
|
struct pcmcia_io_handle *pcihp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
#if !rbus
|
|
bus_space_tag_t iot = pcihp->iot;
|
|
#endif
|
|
bus_space_handle_t ioh = pcihp->ioh;
|
|
bus_size_t size = pcihp->size;
|
|
|
|
#if rbus
|
|
rbus_tag_t rb = sc->sc_rbus_iot;
|
|
|
|
rbus_space_free(rb, ioh, size, NULL);
|
|
#else
|
|
if (pcihp->flags & PCMCIA_IO_ALLOCATED)
|
|
bus_space_free(iot, ioh, size);
|
|
else
|
|
bus_space_unmap(iot, ioh, size);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_pcmcia_io_map(pcmcia_chipset_handle_t pch, int width,
|
|
* bus_addr_t offset, bus_size_t size,
|
|
* struct pcmcia_io_handle *pcihp,
|
|
* int *windowp)
|
|
*
|
|
* This function maps the allocated I/O region to pccard. This function
|
|
* never allocates any I/O region for pccard I/O area. I don't
|
|
* understand why the original authors of pcmciabus separated alloc and
|
|
* map. I believe the two must be unite.
|
|
*
|
|
* XXX: no wait timing control?
|
|
*/
|
|
int
|
|
pccbb_pcmcia_io_map(pcmcia_chipset_handle_t pch, int width, bus_addr_t offset,
|
|
bus_size_t size, struct pcmcia_io_handle *pcihp, int *windowp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
bus_addr_t ioaddr = pcihp->addr + offset;
|
|
int i, win;
|
|
#if defined CBB_DEBUG
|
|
static const char *width_names[] = { "dynamic", "io8", "io16" };
|
|
#endif
|
|
|
|
/* Sanity check I/O handle. */
|
|
|
|
if (!bus_space_is_equal(sc->sc_iot, pcihp->iot)) {
|
|
panic("pccbb_pcmcia_io_map iot is bogus");
|
|
}
|
|
|
|
/* XXX Sanity check offset/size. */
|
|
|
|
win = -1;
|
|
for (i = 0; i < PCIC_IO_WINS; i++) {
|
|
if ((ph->ioalloc & (1 << i)) == 0) {
|
|
win = i;
|
|
ph->ioalloc |= (1 << i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (win == -1) {
|
|
return 1;
|
|
}
|
|
|
|
*windowp = win;
|
|
|
|
/* XXX this is pretty gross */
|
|
|
|
DPRINTF(("pccbb_pcmcia_io_map window %d %s port %lx+%lx\n",
|
|
win, width_names[width], (u_long) ioaddr, (u_long) size));
|
|
|
|
/* XXX wtf is this doing here? */
|
|
|
|
#if 0
|
|
printf(" port 0x%lx", (u_long) ioaddr);
|
|
if (size > 1) {
|
|
printf("-0x%lx", (u_long) ioaddr + (u_long) size - 1);
|
|
}
|
|
#endif
|
|
|
|
ph->io[win].addr = ioaddr;
|
|
ph->io[win].size = size;
|
|
ph->io[win].width = width;
|
|
|
|
/* actual dirty register-value changing in the function below. */
|
|
pccbb_pcmcia_do_io_map(sc, win);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_do_io_map(struct pcic_handle *h, int win)
|
|
*
|
|
* This function changes register-value to map I/O region for pccard.
|
|
*/
|
|
static void
|
|
pccbb_pcmcia_do_io_map(struct pccbb_softc *sc, int win)
|
|
{
|
|
static u_int8_t pcic_iowidth[3] = {
|
|
PCIC_IOCTL_IO0_IOCS16SRC_CARD,
|
|
PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO0_DATASIZE_8BIT,
|
|
PCIC_IOCTL_IO0_IOCS16SRC_DATASIZE |
|
|
PCIC_IOCTL_IO0_DATASIZE_16BIT,
|
|
};
|
|
|
|
#define PCIC_SIA_START_LOW 0
|
|
#define PCIC_SIA_START_HIGH 1
|
|
#define PCIC_SIA_STOP_LOW 2
|
|
#define PCIC_SIA_STOP_HIGH 3
|
|
|
|
int regbase_win = 0x8 + win * 0x04;
|
|
u_int8_t ioctl, enable;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
|
|
DPRINTF(("pccbb_pcmcia_do_io_map win %d addr 0x%lx size 0x%lx "
|
|
"width %d\n", win, (unsigned long)ph->io[win].addr,
|
|
(unsigned long)ph->io[win].size, ph->io[win].width * 8));
|
|
|
|
Pcic_write(sc, regbase_win + PCIC_SIA_START_LOW,
|
|
ph->io[win].addr & 0xff);
|
|
Pcic_write(sc, regbase_win + PCIC_SIA_START_HIGH,
|
|
(ph->io[win].addr >> 8) & 0xff);
|
|
|
|
Pcic_write(sc, regbase_win + PCIC_SIA_STOP_LOW,
|
|
(ph->io[win].addr + ph->io[win].size - 1) & 0xff);
|
|
Pcic_write(sc, regbase_win + PCIC_SIA_STOP_HIGH,
|
|
((ph->io[win].addr + ph->io[win].size - 1) >> 8) & 0xff);
|
|
|
|
ioctl = Pcic_read(sc, PCIC_IOCTL);
|
|
enable = Pcic_read(sc, PCIC_ADDRWIN_ENABLE);
|
|
switch (win) {
|
|
case 0:
|
|
ioctl &= ~(PCIC_IOCTL_IO0_WAITSTATE | PCIC_IOCTL_IO0_ZEROWAIT |
|
|
PCIC_IOCTL_IO0_IOCS16SRC_MASK |
|
|
PCIC_IOCTL_IO0_DATASIZE_MASK);
|
|
ioctl |= pcic_iowidth[ph->io[win].width];
|
|
enable |= PCIC_ADDRWIN_ENABLE_IO0;
|
|
break;
|
|
case 1:
|
|
ioctl &= ~(PCIC_IOCTL_IO1_WAITSTATE | PCIC_IOCTL_IO1_ZEROWAIT |
|
|
PCIC_IOCTL_IO1_IOCS16SRC_MASK |
|
|
PCIC_IOCTL_IO1_DATASIZE_MASK);
|
|
ioctl |= (pcic_iowidth[ph->io[win].width] << 4);
|
|
enable |= PCIC_ADDRWIN_ENABLE_IO1;
|
|
break;
|
|
}
|
|
Pcic_write(sc, PCIC_IOCTL, ioctl);
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, enable);
|
|
#if defined(CBB_DEBUG)
|
|
{
|
|
u_int8_t start_low =
|
|
Pcic_read(sc, regbase_win + PCIC_SIA_START_LOW);
|
|
u_int8_t start_high =
|
|
Pcic_read(sc, regbase_win + PCIC_SIA_START_HIGH);
|
|
u_int8_t stop_low =
|
|
Pcic_read(sc, regbase_win + PCIC_SIA_STOP_LOW);
|
|
u_int8_t stop_high =
|
|
Pcic_read(sc, regbase_win + PCIC_SIA_STOP_HIGH);
|
|
printf("pccbb_pcmcia_do_io_map start %02x %02x, "
|
|
"stop %02x %02x, ioctl %02x enable %02x\n",
|
|
start_low, start_high, stop_low, stop_high, ioctl, enable);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t *h, int win)
|
|
*
|
|
* This function unmaps I/O region. No return value.
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_io_unmap(pcmcia_chipset_handle_t pch, int win)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
int reg;
|
|
|
|
if (win >= PCIC_IO_WINS || win < 0) {
|
|
panic("pccbb_pcmcia_io_unmap: window out of range");
|
|
}
|
|
|
|
reg = Pcic_read(sc, PCIC_ADDRWIN_ENABLE);
|
|
switch (win) {
|
|
case 0:
|
|
reg &= ~PCIC_ADDRWIN_ENABLE_IO0;
|
|
break;
|
|
case 1:
|
|
reg &= ~PCIC_ADDRWIN_ENABLE_IO1;
|
|
break;
|
|
}
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
ph->ioalloc &= ~(1 << win);
|
|
}
|
|
|
|
static int
|
|
pccbb_pcmcia_wait_ready(struct pccbb_softc *sc)
|
|
{
|
|
u_int8_t stat;
|
|
int i;
|
|
|
|
/* wait an initial 10ms for quick cards */
|
|
stat = Pcic_read(sc, PCIC_IF_STATUS);
|
|
if (stat & PCIC_IF_STATUS_READY)
|
|
return (0);
|
|
pccbb_pcmcia_delay(sc, 10, "pccwr0");
|
|
for (i = 0; i < 50; i++) {
|
|
stat = Pcic_read(sc, PCIC_IF_STATUS);
|
|
if (stat & PCIC_IF_STATUS_READY)
|
|
return (0);
|
|
if ((stat & PCIC_IF_STATUS_CARDDETECT_MASK) !=
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT)
|
|
return (ENXIO);
|
|
/* wait .1s (100ms) each iteration now */
|
|
pccbb_pcmcia_delay(sc, 100, "pccwr1");
|
|
}
|
|
|
|
printf("pccbb_pcmcia_wait_ready: ready never happened, status=%02x\n", stat);
|
|
return (EWOULDBLOCK);
|
|
}
|
|
|
|
/*
|
|
* Perform long (msec order) delay. timo is in milliseconds.
|
|
*/
|
|
static void
|
|
pccbb_pcmcia_delay(struct pccbb_softc *sc, int timo, const char *wmesg)
|
|
{
|
|
#ifdef DIAGNOSTIC
|
|
if (timo <= 0)
|
|
panic("pccbb_pcmcia_delay: called with timeout %d", timo);
|
|
if (!curlwp)
|
|
panic("pccbb_pcmcia_delay: called in interrupt context");
|
|
#endif
|
|
DPRINTF(("pccbb_pcmcia_delay: \"%s\", sleep %d ms\n", wmesg, timo));
|
|
kpause(wmesg, false, max(mstohz(timo), 1), NULL);
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch)
|
|
*
|
|
* This function enables the card. All information is stored in
|
|
* the first argument, pcmcia_chipset_handle_t.
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_socket_enable(pcmcia_chipset_handle_t pch)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
pcireg_t spsr;
|
|
int voltage;
|
|
int win;
|
|
u_int8_t power, intr;
|
|
#ifdef DIAGNOSTIC
|
|
int reg;
|
|
#endif
|
|
|
|
/* this bit is mostly stolen from pcic_attach_card */
|
|
|
|
DPRINTF(("pccbb_pcmcia_socket_enable: "));
|
|
|
|
/* get card Vcc info */
|
|
spsr =
|
|
bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
|
|
CB_SOCKET_STAT);
|
|
if (spsr & CB_SOCKET_STAT_5VCARD) {
|
|
DPRINTF(("5V card\n"));
|
|
voltage = CARDBUS_VCC_5V | CARDBUS_VPP_VCC;
|
|
} else if (spsr & CB_SOCKET_STAT_3VCARD) {
|
|
DPRINTF(("3V card\n"));
|
|
voltage = CARDBUS_VCC_3V | CARDBUS_VPP_VCC;
|
|
} else {
|
|
DPRINTF(("?V card, 0x%x\n", spsr)); /* XXX */
|
|
return;
|
|
}
|
|
|
|
/* disable interrupts; assert RESET */
|
|
intr = Pcic_read(sc, PCIC_INTR);
|
|
intr &= PCIC_INTR_ENABLE;
|
|
Pcic_write(sc, PCIC_INTR, intr);
|
|
|
|
/* zero out the address windows */
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, 0);
|
|
|
|
/* power down the socket to reset it, clear the card reset pin */
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
|
|
/* power off; assert output enable bit */
|
|
power = PCIC_PWRCTL_OE;
|
|
Pcic_write(sc, PCIC_PWRCTL, power);
|
|
|
|
/* power up the socket */
|
|
if (pccbb_power(sc, voltage) == 0)
|
|
return;
|
|
|
|
/*
|
|
* Table 4-18 and figure 4-6 of the PC Card specifiction say:
|
|
* Vcc Rising Time (Tpr) = 100ms (handled in pccbb_power() above)
|
|
* RESET Width (Th (Hi-z RESET)) = 1ms
|
|
* RESET Width (Tw (RESET)) = 10us
|
|
*
|
|
* some machines require some more time to be settled
|
|
* for example old toshiba topic bridges!
|
|
* (100ms is added here).
|
|
*/
|
|
pccbb_pcmcia_delay(sc, 200 + 1, "pccen1");
|
|
|
|
/* negate RESET */
|
|
intr |= PCIC_INTR_RESET;
|
|
Pcic_write(sc, PCIC_INTR, intr);
|
|
|
|
/*
|
|
* RESET Setup Time (Tsu (RESET)) = 20ms
|
|
*/
|
|
pccbb_pcmcia_delay(sc, 20, "pccen2");
|
|
|
|
#ifdef DIAGNOSTIC
|
|
reg = Pcic_read(sc, PCIC_IF_STATUS);
|
|
if ((reg & PCIC_IF_STATUS_POWERACTIVE) == 0)
|
|
printf("pccbb_pcmcia_socket_enable: no power, status=%x\n", reg);
|
|
#endif
|
|
|
|
/* wait for the chip to finish initializing */
|
|
if (pccbb_pcmcia_wait_ready(sc)) {
|
|
#ifdef DIAGNOSTIC
|
|
printf("pccbb_pcmcia_socket_enable: never became ready\n");
|
|
#endif
|
|
/* XXX return a failure status?? */
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
Pcic_write(sc, PCIC_PWRCTL, 0);
|
|
return;
|
|
}
|
|
|
|
/* reinstall all the memory and io mappings */
|
|
for (win = 0; win < PCIC_MEM_WINS; ++win)
|
|
if (ph->memalloc & (1 << win))
|
|
pccbb_pcmcia_do_mem_map(sc, win);
|
|
for (win = 0; win < PCIC_IO_WINS; ++win)
|
|
if (ph->ioalloc & (1 << win))
|
|
pccbb_pcmcia_do_io_map(sc, win);
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t *ph)
|
|
*
|
|
* This function disables the card. All information is stored in
|
|
* the first argument, pcmcia_chipset_handle_t.
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_socket_disable(pcmcia_chipset_handle_t pch)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
u_int8_t intr;
|
|
|
|
DPRINTF(("pccbb_pcmcia_socket_disable\n"));
|
|
|
|
/* disable interrupts; assert RESET */
|
|
intr = Pcic_read(sc, PCIC_INTR);
|
|
intr &= PCIC_INTR_ENABLE;
|
|
Pcic_write(sc, PCIC_INTR, intr);
|
|
|
|
/* zero out the address windows */
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, 0);
|
|
|
|
/* power down the socket to reset it, clear the card reset pin */
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
|
|
/* disable socket: negate output enable bit and power off */
|
|
Pcic_write(sc, PCIC_PWRCTL, 0);
|
|
|
|
/*
|
|
* Vcc Falling Time (Tpf) = 300ms
|
|
*/
|
|
pccbb_pcmcia_delay(sc, 300, "pccwr1");
|
|
}
|
|
|
|
STATIC void
|
|
pccbb_pcmcia_socket_settype(pcmcia_chipset_handle_t pch, int type)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
u_int8_t intr;
|
|
|
|
/* set the card type */
|
|
|
|
intr = Pcic_read(sc, PCIC_INTR);
|
|
intr &= ~(PCIC_INTR_IRQ_MASK | PCIC_INTR_CARDTYPE_MASK);
|
|
if (type == PCMCIA_IFTYPE_IO)
|
|
intr |= PCIC_INTR_CARDTYPE_IO;
|
|
else
|
|
intr |= PCIC_INTR_CARDTYPE_MEM;
|
|
Pcic_write(sc, PCIC_INTR, intr);
|
|
|
|
DPRINTF(("%s: pccbb_pcmcia_socket_settype type %s %02x\n",
|
|
device_xname(sc->sc_dev),
|
|
((type == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr));
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t *ph)
|
|
*
|
|
* This function detects whether a card is in the slot or not.
|
|
* If a card is inserted, return 1. Otherwise, return 0.
|
|
*/
|
|
STATIC int
|
|
pccbb_pcmcia_card_detect(pcmcia_chipset_handle_t pch)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
|
|
DPRINTF(("pccbb_pcmcia_card_detect\n"));
|
|
return pccbb_detect_card(sc) == 1 ? 1 : 0;
|
|
}
|
|
|
|
#if 0
|
|
STATIC int
|
|
pccbb_new_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch,
|
|
bus_addr_t start, bus_size_t size, bus_size_t align, int speed, int flags,
|
|
bus_space_tag_t * memtp bus_space_handle_t * memhp)
|
|
#endif
|
|
/*
|
|
* STATIC int pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch,
|
|
* bus_size_t size,
|
|
* struct pcmcia_mem_handle *pcmhp)
|
|
*
|
|
* This function only allocates memory region for pccard. This
|
|
* function never maps the allocated region to pccard memory area.
|
|
*
|
|
* XXX: Why the argument of start address is not in?
|
|
*/
|
|
STATIC int
|
|
pccbb_pcmcia_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
|
|
struct pcmcia_mem_handle *pcmhp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
bus_space_handle_t memh;
|
|
bus_addr_t addr;
|
|
bus_size_t sizepg;
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
|
|
/* Check that the card is still there. */
|
|
if ((Pcic_read(sc, PCIC_IF_STATUS) & PCIC_IF_STATUS_CARDDETECT_MASK) !=
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT)
|
|
return 1;
|
|
|
|
/* out of sc->memh, allocate as many pages as necessary */
|
|
|
|
/* convert size to PCIC pages */
|
|
/*
|
|
* This is not enough; when the requested region is on the page
|
|
* boundaries, this may calculate wrong result.
|
|
*/
|
|
sizepg = (size + (PCIC_MEM_PAGESIZE - 1)) / PCIC_MEM_PAGESIZE;
|
|
#if 0
|
|
if (sizepg > PCIC_MAX_MEM_PAGES) {
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32)) {
|
|
return 1;
|
|
}
|
|
|
|
addr = 0; /* XXX gcc -Wuninitialized */
|
|
|
|
#if rbus
|
|
rb = sc->sc_rbus_memt;
|
|
if (rbus_space_alloc(rb, 0, sizepg * PCIC_MEM_PAGESIZE,
|
|
sizepg * PCIC_MEM_PAGESIZE - 1, PCIC_MEM_PAGESIZE, 0,
|
|
&addr, &memh)) {
|
|
return 1;
|
|
}
|
|
#else
|
|
if (bus_space_alloc(sc->sc_memt, sc->sc_mem_start, sc->sc_mem_end,
|
|
sizepg * PCIC_MEM_PAGESIZE, PCIC_MEM_PAGESIZE,
|
|
0, /* boundary */
|
|
0, /* flags */
|
|
&addr, &memh)) {
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
DPRINTF(("pccbb_pcmcia_alloc_mem: addr 0x%lx size 0x%lx, "
|
|
"realsize 0x%lx\n", (unsigned long)addr, (unsigned long)size,
|
|
(unsigned long)sizepg * PCIC_MEM_PAGESIZE));
|
|
|
|
pcmhp->memt = sc->sc_memt;
|
|
pcmhp->memh = memh;
|
|
pcmhp->addr = addr;
|
|
pcmhp->size = size;
|
|
pcmhp->realsize = sizepg * PCIC_MEM_PAGESIZE;
|
|
/* What is mhandle? I feel it is very dirty and it must go trush. */
|
|
pcmhp->mhandle = 0;
|
|
/* No offset??? Funny. */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch,
|
|
* struct pcmcia_mem_handle *pcmhp)
|
|
*
|
|
* This function release the memory space allocated by the function
|
|
* pccbb_pcmcia_mem_alloc().
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_mem_free(pcmcia_chipset_handle_t pch,
|
|
struct pcmcia_mem_handle *pcmhp)
|
|
{
|
|
#if rbus
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
|
|
rbus_space_free(sc->sc_rbus_memt, pcmhp->memh, pcmhp->realsize, NULL);
|
|
#else
|
|
bus_space_free(pcmhp->memt, pcmhp->memh, pcmhp->realsize);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_do_mem_map(struct pcic_handle *ph, int win)
|
|
*
|
|
* This function release the memory space allocated by the function
|
|
* pccbb_pcmcia_mem_alloc().
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_do_mem_map(struct pccbb_softc *sc, int win)
|
|
{
|
|
int regbase_win;
|
|
bus_addr_t phys_addr;
|
|
bus_addr_t phys_end;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
|
|
#define PCIC_SMM_START_LOW 0
|
|
#define PCIC_SMM_START_HIGH 1
|
|
#define PCIC_SMM_STOP_LOW 2
|
|
#define PCIC_SMM_STOP_HIGH 3
|
|
#define PCIC_CMA_LOW 4
|
|
#define PCIC_CMA_HIGH 5
|
|
|
|
u_int8_t start_low, start_high = 0;
|
|
u_int8_t stop_low, stop_high;
|
|
u_int8_t off_low, off_high;
|
|
u_int8_t mem_window;
|
|
int reg;
|
|
|
|
int kind = ph->mem[win].kind & ~PCMCIA_WIDTH_MEM_MASK;
|
|
int mem8 =
|
|
(ph->mem[win].kind & PCMCIA_WIDTH_MEM_MASK) == PCMCIA_WIDTH_MEM8
|
|
|| (kind == PCMCIA_MEM_ATTR);
|
|
|
|
regbase_win = 0x10 + win * 0x08;
|
|
|
|
phys_addr = ph->mem[win].addr;
|
|
phys_end = phys_addr + ph->mem[win].size;
|
|
|
|
DPRINTF(("pccbb_pcmcia_do_mem_map: start 0x%lx end 0x%lx off 0x%lx\n",
|
|
(unsigned long)phys_addr, (unsigned long)phys_end,
|
|
(unsigned long)ph->mem[win].offset));
|
|
|
|
#define PCIC_MEMREG_LSB_SHIFT PCIC_SYSMEM_ADDRX_SHIFT
|
|
#define PCIC_MEMREG_MSB_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 8)
|
|
#define PCIC_MEMREG_WIN_SHIFT (PCIC_SYSMEM_ADDRX_SHIFT + 12)
|
|
|
|
/* bit 19:12 */
|
|
start_low = (phys_addr >> PCIC_MEMREG_LSB_SHIFT) & 0xff;
|
|
/* bit 23:20 and bit 7 on */
|
|
start_high = ((phys_addr >> PCIC_MEMREG_MSB_SHIFT) & 0x0f)
|
|
|(mem8 ? 0 : PCIC_SYSMEM_ADDRX_START_MSB_DATASIZE_16BIT);
|
|
/* bit 31:24, for 32-bit address */
|
|
mem_window = (phys_addr >> PCIC_MEMREG_WIN_SHIFT) & 0xff;
|
|
|
|
Pcic_write(sc, regbase_win + PCIC_SMM_START_LOW, start_low);
|
|
Pcic_write(sc, regbase_win + PCIC_SMM_START_HIGH, start_high);
|
|
|
|
if (sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
Pcic_write(sc, 0x40 + win, mem_window);
|
|
}
|
|
|
|
stop_low = (phys_end >> PCIC_MEMREG_LSB_SHIFT) & 0xff;
|
|
stop_high = ((phys_end >> PCIC_MEMREG_MSB_SHIFT) & 0x0f)
|
|
| PCIC_SYSMEM_ADDRX_STOP_MSB_WAIT2; /* wait 2 cycles */
|
|
/* XXX Geee, WAIT2!! Crazy!! I must rewrite this routine. */
|
|
|
|
Pcic_write(sc, regbase_win + PCIC_SMM_STOP_LOW, stop_low);
|
|
Pcic_write(sc, regbase_win + PCIC_SMM_STOP_HIGH, stop_high);
|
|
|
|
off_low = (ph->mem[win].offset >> PCIC_CARDMEM_ADDRX_SHIFT) & 0xff;
|
|
off_high = ((ph->mem[win].offset >> (PCIC_CARDMEM_ADDRX_SHIFT + 8))
|
|
& PCIC_CARDMEM_ADDRX_MSB_ADDR_MASK)
|
|
| ((kind == PCMCIA_MEM_ATTR) ?
|
|
PCIC_CARDMEM_ADDRX_MSB_REGACTIVE_ATTR : 0);
|
|
|
|
Pcic_write(sc, regbase_win + PCIC_CMA_LOW, off_low);
|
|
Pcic_write(sc, regbase_win + PCIC_CMA_HIGH, off_high);
|
|
|
|
reg = Pcic_read(sc, PCIC_ADDRWIN_ENABLE);
|
|
reg |= ((1 << win) | PCIC_ADDRWIN_ENABLE_MEMCS16);
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
#if defined(CBB_DEBUG)
|
|
{
|
|
int r1, r2, r3, r4, r5, r6, r7 = 0;
|
|
|
|
r1 = Pcic_read(sc, regbase_win + PCIC_SMM_START_LOW);
|
|
r2 = Pcic_read(sc, regbase_win + PCIC_SMM_START_HIGH);
|
|
r3 = Pcic_read(sc, regbase_win + PCIC_SMM_STOP_LOW);
|
|
r4 = Pcic_read(sc, regbase_win + PCIC_SMM_STOP_HIGH);
|
|
r5 = Pcic_read(sc, regbase_win + PCIC_CMA_LOW);
|
|
r6 = Pcic_read(sc, regbase_win + PCIC_CMA_HIGH);
|
|
if (sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
r7 = Pcic_read(sc, 0x40 + win);
|
|
}
|
|
|
|
printf("pccbb_pcmcia_do_mem_map window %d: %02x%02x %02x%02x "
|
|
"%02x%02x", win, r1, r2, r3, r4, r5, r6);
|
|
if (sc->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
printf(" %02x", r7);
|
|
}
|
|
printf("\n");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind,
|
|
* bus_addr_t card_addr, bus_size_t size,
|
|
* struct pcmcia_mem_handle *pcmhp,
|
|
* bus_addr_t *offsetp, int *windowp)
|
|
*
|
|
* This function maps memory space allocated by the function
|
|
* pccbb_pcmcia_mem_alloc().
|
|
*/
|
|
STATIC int
|
|
pccbb_pcmcia_mem_map(pcmcia_chipset_handle_t pch, int kind,
|
|
bus_addr_t card_addr, bus_size_t size, struct pcmcia_mem_handle *pcmhp,
|
|
bus_size_t *offsetp, int *windowp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
bus_addr_t busaddr;
|
|
long card_offset;
|
|
int win;
|
|
|
|
/* Check that the card is still there. */
|
|
if ((Pcic_read(sc, PCIC_IF_STATUS) & PCIC_IF_STATUS_CARDDETECT_MASK) !=
|
|
PCIC_IF_STATUS_CARDDETECT_PRESENT)
|
|
return 1;
|
|
|
|
for (win = 0; win < PCIC_MEM_WINS; ++win) {
|
|
if ((ph->memalloc & (1 << win)) == 0) {
|
|
ph->memalloc |= (1 << win);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (win == PCIC_MEM_WINS) {
|
|
return 1;
|
|
}
|
|
|
|
*windowp = win;
|
|
|
|
/* XXX this is pretty gross */
|
|
|
|
if (!bus_space_is_equal(sc->sc_memt, pcmhp->memt)) {
|
|
panic("pccbb_pcmcia_mem_map memt is bogus");
|
|
}
|
|
|
|
busaddr = pcmhp->addr;
|
|
|
|
/*
|
|
* compute the address offset to the pcmcia address space for the
|
|
* pcic. this is intentionally signed. The masks and shifts below
|
|
* will cause TRT to happen in the pcic registers. Deal with making
|
|
* sure the address is aligned, and return the alignment offset.
|
|
*/
|
|
|
|
*offsetp = card_addr % PCIC_MEM_PAGESIZE;
|
|
card_addr -= *offsetp;
|
|
|
|
DPRINTF(("pccbb_pcmcia_mem_map window %d bus %lx+%lx+%lx at card addr "
|
|
"%lx\n", win, (u_long) busaddr, (u_long) * offsetp, (u_long) size,
|
|
(u_long) card_addr));
|
|
|
|
/*
|
|
* include the offset in the size, and decrement size by one, since
|
|
* the hw wants start/stop
|
|
*/
|
|
size += *offsetp - 1;
|
|
|
|
card_offset = (((long)card_addr) - ((long)busaddr));
|
|
|
|
ph->mem[win].addr = busaddr;
|
|
ph->mem[win].size = size;
|
|
ph->mem[win].offset = card_offset;
|
|
ph->mem[win].kind = kind;
|
|
|
|
pccbb_pcmcia_do_mem_map(sc, win);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch,
|
|
* int window)
|
|
*
|
|
* This function unmaps memory space which mapped by the function
|
|
* pccbb_pcmcia_mem_map().
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_mem_unmap(pcmcia_chipset_handle_t pch, int window)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
int reg;
|
|
|
|
if (window >= PCIC_MEM_WINS) {
|
|
panic("pccbb_pcmcia_mem_unmap: window out of range");
|
|
}
|
|
|
|
reg = Pcic_read(sc, PCIC_ADDRWIN_ENABLE);
|
|
reg &= ~(1 << window);
|
|
Pcic_write(sc, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
ph->memalloc &= ~(1 << window);
|
|
}
|
|
|
|
/*
|
|
* STATIC void *pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch,
|
|
* struct pcmcia_function *pf,
|
|
* int ipl,
|
|
* int (*func)(void *),
|
|
* void *arg);
|
|
*
|
|
* This function enables PC-Card interrupt. PCCBB uses PCI interrupt line.
|
|
*/
|
|
STATIC void *
|
|
pccbb_pcmcia_intr_establish(pcmcia_chipset_handle_t pch,
|
|
struct pcmcia_function *pf, int ipl, int (*func)(void *), void *arg)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
|
|
if (!(pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) {
|
|
/* what should I do? */
|
|
if ((pf->cfe->flags & PCMCIA_CFE_IRQLEVEL)) {
|
|
DPRINTF(("%s does not provide edge nor pulse "
|
|
"interrupt\n", device_xname(sc->sc_dev)));
|
|
return NULL;
|
|
}
|
|
/*
|
|
* XXX Noooooo! The interrupt flag must set properly!!
|
|
* dumb pcmcia driver!!
|
|
*/
|
|
}
|
|
|
|
return pccbb_intr_establish(sc, 0, ipl, func, arg);
|
|
}
|
|
|
|
/*
|
|
* STATIC void pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch,
|
|
* void *ih)
|
|
*
|
|
* This function disables PC-Card interrupt.
|
|
*/
|
|
STATIC void
|
|
pccbb_pcmcia_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)pch;
|
|
|
|
pccbb_intr_disestablish(sc, ih);
|
|
}
|
|
|
|
#if rbus
|
|
/*
|
|
* static int
|
|
* pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb,
|
|
* bus_addr_t addr, bus_size_t size,
|
|
* bus_addr_t mask, bus_size_t align,
|
|
* int flags, bus_addr_t *addrp;
|
|
* bus_space_handle_t *bshp)
|
|
*
|
|
* This function allocates a portion of memory or io space for
|
|
* clients. This function is called from CardBus card drivers.
|
|
*/
|
|
static int
|
|
pccbb_rbus_cb_space_alloc(cardbus_chipset_tag_t ct, rbus_tag_t rb,
|
|
bus_addr_t addr, bus_size_t size, bus_addr_t mask, bus_size_t align,
|
|
int flags, bus_addr_t *addrp, bus_space_handle_t *bshp)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
DPRINTF(("pccbb_rbus_cb_space_alloc: addr 0x%lx, size 0x%lx, "
|
|
"mask 0x%lx, align 0x%lx\n", (unsigned long)addr,
|
|
(unsigned long)size, (unsigned long)mask, (unsigned long)align));
|
|
|
|
if (align == 0) {
|
|
align = size;
|
|
}
|
|
|
|
if (bus_space_is_equal(rb->rb_bt, sc->sc_memt)) {
|
|
if (align < 16) {
|
|
return 1;
|
|
}
|
|
/*
|
|
* XXX: align more than 0x1000 to avoid overwrapping
|
|
* memory windows for two or more devices. 0x1000
|
|
* means memory window's granularity.
|
|
*
|
|
* Two or more devices should be able to share same
|
|
* memory window region. However, overrapping memory
|
|
* window is not good because some devices, such as
|
|
* 3Com 3C575[BC], have a broken address decoder and
|
|
* intrude other's memory region.
|
|
*/
|
|
if (align < 0x1000) {
|
|
align = 0x1000;
|
|
}
|
|
} else if (bus_space_is_equal(rb->rb_bt, sc->sc_iot)) {
|
|
if (align < 4) {
|
|
return 1;
|
|
}
|
|
/* XXX: hack for avoiding ISA image */
|
|
if (mask < 0x0100) {
|
|
mask = 0x3ff;
|
|
addr = 0x300;
|
|
}
|
|
|
|
} else {
|
|
DPRINTF(("pccbb_rbus_cb_space_alloc: Bus space tag 0x%lx is "
|
|
"NOT used. io: 0x%lx, mem: 0x%lx\n",
|
|
(unsigned long)rb->rb_bt, (unsigned long)sc->sc_iot,
|
|
(unsigned long)sc->sc_memt));
|
|
return 1;
|
|
/* XXX: panic here? */
|
|
}
|
|
|
|
if (rbus_space_alloc(rb, addr, size, mask, align, flags, addrp, bshp)) {
|
|
aprint_normal_dev(sc->sc_dev, "<rbus> no bus space\n");
|
|
return 1;
|
|
}
|
|
|
|
pccbb_open_win(sc, rb->rb_bt, *addrp, size, *bshp, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* static int
|
|
* pccbb_rbus_cb_space_free(cardbus_chipset_tag_t *ct, rbus_tag_t rb,
|
|
* bus_space_handle_t *bshp, bus_size_t size);
|
|
*
|
|
* This function is called from CardBus card drivers.
|
|
*/
|
|
static int
|
|
pccbb_rbus_cb_space_free(cardbus_chipset_tag_t ct, rbus_tag_t rb,
|
|
bus_space_handle_t bsh, bus_size_t size)
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
bus_space_tag_t bt = rb->rb_bt;
|
|
|
|
pccbb_close_win(sc, bt, bsh, size);
|
|
|
|
if (bus_space_is_equal(bt, sc->sc_memt)) {
|
|
} else if (bus_space_is_equal(bt, sc->sc_iot)) {
|
|
} else {
|
|
return 1;
|
|
/* XXX: panic here? */
|
|
}
|
|
|
|
return rbus_space_free(rb, bsh, size, NULL);
|
|
}
|
|
#endif /* rbus */
|
|
|
|
#if rbus
|
|
|
|
static int
|
|
pccbb_open_win(struct pccbb_softc *sc, bus_space_tag_t bst, bus_addr_t addr,
|
|
bus_size_t size, bus_space_handle_t bsh, int flags)
|
|
{
|
|
struct pccbb_win_chain_head *head;
|
|
bus_addr_t align;
|
|
|
|
head = &sc->sc_iowindow;
|
|
align = 0x04;
|
|
if (bus_space_is_equal(sc->sc_memt, bst)) {
|
|
head = &sc->sc_memwindow;
|
|
align = 0x1000;
|
|
DPRINTF(("using memory window, 0x%lx 0x%lx 0x%lx\n\n",
|
|
(unsigned long)sc->sc_iot, (unsigned long)sc->sc_memt,
|
|
(unsigned long)bst));
|
|
}
|
|
|
|
if (pccbb_winlist_insert(head, addr, size, bsh, flags)) {
|
|
aprint_error_dev(sc->sc_dev,
|
|
"pccbb_open_win: %s winlist insert failed\n",
|
|
(head == &sc->sc_memwindow) ? "mem" : "io");
|
|
}
|
|
pccbb_winset(align, sc, bst);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pccbb_close_win(struct pccbb_softc *sc, bus_space_tag_t bst,
|
|
bus_space_handle_t bsh, bus_size_t size)
|
|
{
|
|
struct pccbb_win_chain_head *head;
|
|
bus_addr_t align;
|
|
|
|
head = &sc->sc_iowindow;
|
|
align = 0x04;
|
|
if (bus_space_is_equal(sc->sc_memt, bst)) {
|
|
head = &sc->sc_memwindow;
|
|
align = 0x1000;
|
|
}
|
|
|
|
if (pccbb_winlist_delete(head, bsh, size)) {
|
|
aprint_error_dev(sc->sc_dev,
|
|
"pccbb_close_win: %s winlist delete failed\n",
|
|
(head == &sc->sc_memwindow) ? "mem" : "io");
|
|
}
|
|
pccbb_winset(align, sc, bst);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pccbb_winlist_insert(struct pccbb_win_chain_head *head, bus_addr_t start,
|
|
bus_size_t size, bus_space_handle_t bsh, int flags)
|
|
{
|
|
struct pccbb_win_chain *chainp, *elem;
|
|
|
|
if ((elem = malloc(sizeof(struct pccbb_win_chain), M_DEVBUF,
|
|
M_NOWAIT)) == NULL)
|
|
return (1); /* fail */
|
|
|
|
elem->wc_start = start;
|
|
elem->wc_end = start + (size - 1);
|
|
elem->wc_handle = bsh;
|
|
elem->wc_flags = flags;
|
|
|
|
TAILQ_FOREACH(chainp, head, wc_list) {
|
|
if (chainp->wc_end >= start)
|
|
break;
|
|
}
|
|
if (chainp != NULL)
|
|
TAILQ_INSERT_AFTER(head, chainp, elem, wc_list);
|
|
else
|
|
TAILQ_INSERT_TAIL(head, elem, wc_list);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_winlist_delete(struct pccbb_win_chain_head *head, bus_space_handle_t bsh,
|
|
bus_size_t size)
|
|
{
|
|
struct pccbb_win_chain *chainp;
|
|
|
|
TAILQ_FOREACH(chainp, head, wc_list) {
|
|
if (memcmp(&chainp->wc_handle, &bsh, sizeof(bsh)) == 0)
|
|
break;
|
|
}
|
|
if (chainp == NULL)
|
|
return 1; /* fail: no candidate to remove */
|
|
|
|
if ((chainp->wc_end - chainp->wc_start) != (size - 1)) {
|
|
printf("pccbb_winlist_delete: window 0x%lx size "
|
|
"inconsistent: 0x%lx, 0x%lx\n",
|
|
(unsigned long)chainp->wc_start,
|
|
(unsigned long)(chainp->wc_end - chainp->wc_start),
|
|
(unsigned long)(size - 1));
|
|
return 1;
|
|
}
|
|
|
|
TAILQ_REMOVE(head, chainp, wc_list);
|
|
free(chainp, M_DEVBUF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
pccbb_winset(bus_addr_t align, struct pccbb_softc *sc, bus_space_tag_t bst)
|
|
{
|
|
pci_chipset_tag_t pc;
|
|
pcitag_t tag;
|
|
bus_addr_t mask = ~(align - 1);
|
|
struct {
|
|
pcireg_t win_start;
|
|
pcireg_t win_limit;
|
|
int win_flags;
|
|
} win[2];
|
|
struct pccbb_win_chain *chainp;
|
|
int offs;
|
|
|
|
win[0].win_start = win[1].win_start = 0xffffffff;
|
|
win[0].win_limit = win[1].win_limit = 0;
|
|
win[0].win_flags = win[1].win_flags = 0;
|
|
|
|
chainp = TAILQ_FIRST(&sc->sc_iowindow);
|
|
offs = PCI_CB_IOBASE0;
|
|
if (bus_space_is_equal(sc->sc_memt, bst)) {
|
|
chainp = TAILQ_FIRST(&sc->sc_memwindow);
|
|
offs = PCI_CB_MEMBASE0;
|
|
}
|
|
|
|
if (chainp != NULL) {
|
|
win[0].win_start = chainp->wc_start & mask;
|
|
win[0].win_limit = chainp->wc_end & mask;
|
|
win[0].win_flags = chainp->wc_flags;
|
|
chainp = TAILQ_NEXT(chainp, wc_list);
|
|
}
|
|
|
|
for (; chainp != NULL; chainp = TAILQ_NEXT(chainp, wc_list)) {
|
|
if (win[1].win_start == 0xffffffff) {
|
|
/* window 1 is not used */
|
|
if ((win[0].win_flags == chainp->wc_flags) &&
|
|
(win[0].win_limit + align >=
|
|
(chainp->wc_start & mask))) {
|
|
/* concatenate */
|
|
win[0].win_limit = chainp->wc_end & mask;
|
|
} else {
|
|
/* make new window */
|
|
win[1].win_start = chainp->wc_start & mask;
|
|
win[1].win_limit = chainp->wc_end & mask;
|
|
win[1].win_flags = chainp->wc_flags;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* Both windows are engaged. */
|
|
if (win[0].win_flags == win[1].win_flags) {
|
|
/* same flags */
|
|
if (win[0].win_flags == chainp->wc_flags) {
|
|
if (win[1].win_start - (win[0].win_limit +
|
|
align) <
|
|
(chainp->wc_start & mask) -
|
|
((chainp->wc_end & mask) + align)) {
|
|
/*
|
|
* merge window 0 and 1, and set win1
|
|
* to chainp
|
|
*/
|
|
win[0].win_limit = win[1].win_limit;
|
|
win[1].win_start =
|
|
chainp->wc_start & mask;
|
|
win[1].win_limit =
|
|
chainp->wc_end & mask;
|
|
} else {
|
|
win[1].win_limit =
|
|
chainp->wc_end & mask;
|
|
}
|
|
} else {
|
|
/* different flags */
|
|
|
|
/* concatenate win0 and win1 */
|
|
win[0].win_limit = win[1].win_limit;
|
|
/* allocate win[1] to new space */
|
|
win[1].win_start = chainp->wc_start & mask;
|
|
win[1].win_limit = chainp->wc_end & mask;
|
|
win[1].win_flags = chainp->wc_flags;
|
|
}
|
|
} else {
|
|
/* the flags of win[0] and win[1] is different */
|
|
if (win[0].win_flags == chainp->wc_flags) {
|
|
win[0].win_limit = chainp->wc_end & mask;
|
|
/*
|
|
* XXX this creates overlapping windows, so
|
|
* what should the poor bridge do if one is
|
|
* cachable, and the other is not?
|
|
*/
|
|
aprint_error_dev(sc->sc_dev,
|
|
"overlapping windows\n");
|
|
} else {
|
|
win[1].win_limit = chainp->wc_end & mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
pc = sc->sc_pc;
|
|
tag = sc->sc_tag;
|
|
pci_conf_write(pc, tag, offs, win[0].win_start);
|
|
pci_conf_write(pc, tag, offs + 4, win[0].win_limit);
|
|
pci_conf_write(pc, tag, offs + 8, win[1].win_start);
|
|
pci_conf_write(pc, tag, offs + 12, win[1].win_limit);
|
|
DPRINTF(("--pccbb_winset: win0 [0x%lx, 0x%lx), win1 [0x%lx, 0x%lx)\n",
|
|
(unsigned long)pci_conf_read(pc, tag, offs),
|
|
(unsigned long)pci_conf_read(pc, tag, offs + 4) + align,
|
|
(unsigned long)pci_conf_read(pc, tag, offs + 8),
|
|
(unsigned long)pci_conf_read(pc, tag, offs + 12) + align));
|
|
|
|
if (bus_space_is_equal(bst, sc->sc_memt)) {
|
|
pcireg_t bcr = pci_conf_read(pc, tag, PCI_BRIDGE_CONTROL_REG);
|
|
|
|
bcr &= ~(CB_BCR_PREFETCH_MEMWIN0 | CB_BCR_PREFETCH_MEMWIN1);
|
|
if (win[0].win_flags & PCCBB_MEM_CACHABLE)
|
|
bcr |= CB_BCR_PREFETCH_MEMWIN0;
|
|
if (win[1].win_flags & PCCBB_MEM_CACHABLE)
|
|
bcr |= CB_BCR_PREFETCH_MEMWIN1;
|
|
pci_conf_write(pc, tag, PCI_BRIDGE_CONTROL_REG, bcr);
|
|
}
|
|
}
|
|
|
|
#endif /* rbus */
|
|
|
|
static bool
|
|
pccbb_suspend(device_t dv, const pmf_qual_t *qual)
|
|
{
|
|
struct pccbb_softc *sc = device_private(dv);
|
|
bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory */
|
|
bus_space_handle_t base_memh = sc->sc_base_memh;
|
|
pcireg_t reg;
|
|
|
|
if (sc->sc_pil_intr_enable)
|
|
(void)pccbbintr_function(sc);
|
|
sc->sc_pil_intr_enable = false;
|
|
|
|
reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK);
|
|
/* Disable interrupts. */
|
|
reg &= ~(CB_SOCKET_MASK_CSTS | CB_SOCKET_MASK_CD | CB_SOCKET_MASK_POWER);
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, reg);
|
|
/* XXX joerg Disable power to the socket? */
|
|
|
|
/* XXX flush PCI write */
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT);
|
|
|
|
/* reset interrupt */
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT,
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT));
|
|
/* XXX flush PCI write */
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT);
|
|
|
|
if (sc->sc_ih != NULL) {
|
|
pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
|
|
sc->sc_ih = NULL;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
pccbb_resume(device_t dv, const pmf_qual_t *qual)
|
|
{
|
|
struct pccbb_softc *sc = device_private(dv);
|
|
bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory */
|
|
bus_space_handle_t base_memh = sc->sc_base_memh;
|
|
pcireg_t reg;
|
|
|
|
pccbb_chipinit(sc);
|
|
pccbb_intrinit(sc);
|
|
/* setup memory and io space window for CB */
|
|
pccbb_winset(0x1000, sc, sc->sc_memt);
|
|
pccbb_winset(0x04, sc, sc->sc_iot);
|
|
|
|
/* CSC Interrupt: Card detect interrupt on */
|
|
reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK);
|
|
/* Card detect intr is turned on. */
|
|
reg |= CB_SOCKET_MASK_CSTS | CB_SOCKET_MASK_CD | CB_SOCKET_MASK_POWER;
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, reg);
|
|
/* reset interrupt */
|
|
reg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT);
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT, reg);
|
|
|
|
/*
|
|
* check for card insertion or removal during suspend period.
|
|
* XXX: the code can't cope with card swap (remove then
|
|
* insert). how can we detect such situation?
|
|
*/
|
|
(void)pccbbintr(sc);
|
|
|
|
sc->sc_pil_intr_enable = true;
|
|
|
|
return true;
|
|
}
|