3183 lines
84 KiB
C
3183 lines
84 KiB
C
/* $NetBSD: pccbb.c,v 1.46 2000/10/25 09:15:58 haya 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by HAYAKAWA Koichi.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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/*
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#define CBB_DEBUG
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#define SHOW_REGS
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#define PCCBB_PCMCIA_POLL
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*/
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/* #define CBB_DEBUG */
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/*
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#define CB_PCMCIA_POLL
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#define CB_PCMCIA_POLL_ONLY
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#define LEVEL2
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*/
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#include <sys/types.h>
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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/syslog.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/intr.h>
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#include <machine/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/ic/i82365var.h>
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#include <dev/pci/pccbbvar.h>
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#include "locators.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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#if defined 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 pcicbbmatch __P((struct device *, struct cfdata *, void *));
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void pccbbattach __P((struct device *, struct device *, void *));
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int pccbbintr __P((void *));
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static void pci113x_insert __P((void *));
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static int pccbbintr_function __P((struct pccbb_softc *));
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static int pccbb_detect_card __P((struct pccbb_softc *));
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static void pccbb_pcmcia_write __P((struct pcic_handle *, int, u_int8_t));
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static u_int8_t pccbb_pcmcia_read __P((struct pcic_handle *, int));
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#define Pcic_read(ph, reg) ((ph)->ph_read((ph), (reg)))
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#define Pcic_write(ph, reg, val) ((ph)->ph_write((ph), (reg), (val)))
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STATIC int cb_reset __P((struct pccbb_softc *));
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STATIC int cb_detect_voltage __P((struct pccbb_softc *));
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STATIC int cbbprint __P((void *, const char *));
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static int cb_chipset __P((u_int32_t, int *));
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STATIC void pccbb_pcmcia_attach_setup __P((struct pccbb_softc *,
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struct pcmciabus_attach_args *));
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#if 0
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STATIC void pccbb_pcmcia_attach_card __P((struct pcic_handle *));
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STATIC void pccbb_pcmcia_detach_card __P((struct pcic_handle *, int));
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STATIC void pccbb_pcmcia_deactivate_card __P((struct pcic_handle *));
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#endif
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STATIC int pccbb_ctrl __P((cardbus_chipset_tag_t, int));
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STATIC int pccbb_power __P((cardbus_chipset_tag_t, int));
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STATIC int pccbb_cardenable __P((struct pccbb_softc * sc, int function));
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#if !rbus
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static int pccbb_io_open __P((cardbus_chipset_tag_t, int, u_int32_t,
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u_int32_t));
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static int pccbb_io_close __P((cardbus_chipset_tag_t, int));
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static int pccbb_mem_open __P((cardbus_chipset_tag_t, int, u_int32_t,
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u_int32_t));
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static int pccbb_mem_close __P((cardbus_chipset_tag_t, int));
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#endif /* !rbus */
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static void *pccbb_intr_establish __P((struct pccbb_softc *, int irq,
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int level, int (*ih) (void *), void *sc));
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static void pccbb_intr_disestablish __P((struct pccbb_softc *, void *ih));
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static void *pccbb_cb_intr_establish __P((cardbus_chipset_tag_t, int irq,
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int level, int (*ih) (void *), void *sc));
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static void pccbb_cb_intr_disestablish __P((cardbus_chipset_tag_t ct, void *ih));
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static cardbustag_t pccbb_make_tag __P((cardbus_chipset_tag_t, int, int, int));
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static void pccbb_free_tag __P((cardbus_chipset_tag_t, cardbustag_t));
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static cardbusreg_t pccbb_conf_read __P((cardbus_chipset_tag_t, cardbustag_t,
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int));
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static void pccbb_conf_write __P((cardbus_chipset_tag_t, cardbustag_t, int,
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cardbusreg_t));
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static void pccbb_chipinit __P((struct pccbb_softc *));
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STATIC int pccbb_pcmcia_mem_alloc __P((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 __P((pcmcia_chipset_handle_t,
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struct pcmcia_mem_handle *));
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STATIC int pccbb_pcmcia_mem_map __P((pcmcia_chipset_handle_t, int, bus_addr_t,
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bus_size_t, struct pcmcia_mem_handle *, bus_addr_t *, int *));
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STATIC void pccbb_pcmcia_mem_unmap __P((pcmcia_chipset_handle_t, int));
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STATIC int pccbb_pcmcia_io_alloc __P((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 __P((pcmcia_chipset_handle_t,
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struct pcmcia_io_handle *));
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STATIC int pccbb_pcmcia_io_map __P((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 __P((pcmcia_chipset_handle_t, int));
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STATIC void *pccbb_pcmcia_intr_establish __P((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 __P((pcmcia_chipset_handle_t,
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void *));
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STATIC void pccbb_pcmcia_socket_enable __P((pcmcia_chipset_handle_t));
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STATIC void pccbb_pcmcia_socket_disable __P((pcmcia_chipset_handle_t));
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STATIC int pccbb_pcmcia_card_detect __P((pcmcia_chipset_handle_t pch));
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static void pccbb_pcmcia_do_io_map __P((struct pcic_handle *, int));
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static void pccbb_pcmcia_wait_ready __P((struct pcic_handle *));
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static void pccbb_pcmcia_do_mem_map __P((struct pcic_handle *, int));
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static void pccbb_powerhook __P((int, void *));
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/* bus-space allocation and deallocation functions */
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#if rbus
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static int pccbb_rbus_cb_space_alloc __P((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 __P((cardbus_chipset_tag_t, rbus_tag_t,
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bus_space_handle_t, bus_size_t));
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#endif /* rbus */
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#if rbus
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static int pccbb_open_win __P((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 __P((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 __P((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 __P((struct pccbb_win_chain_head *,
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bus_space_handle_t, bus_size_t));
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static void pccbb_winset __P((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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#endif /* rbus */
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/* for config_defer */
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static void pccbb_pci_callback __P((struct device *));
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#if defined SHOW_REGS
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static void cb_show_regs __P((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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struct cfattach cbb_pci_ca = {
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sizeof(struct pccbb_softc), pcicbbmatch, pccbbattach
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};
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static 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_card_detect
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};
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#if rbus
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static 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,
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pccbb_make_tag,
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pccbb_free_tag,
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pccbb_conf_read,
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pccbb_conf_write,
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};
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#else
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static struct cardbus_functions pccbb_funcs = {
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pccbb_ctrl,
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pccbb_power,
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pccbb_mem_open,
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pccbb_mem_close,
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pccbb_io_open,
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pccbb_io_close,
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pccbb_cb_intr_establish,
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pccbb_cb_intr_disestablish,
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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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#endif
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int
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pcicbbmatch(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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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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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_TI12XX,
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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_TI12XX,
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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_TI12XX,
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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_PCI1420), 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_PCI1450), 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_PCI1451), 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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/* 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(pci_id, flagp)
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u_int32_t pci_id;
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int *flagp;
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{
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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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sizeof(yc_chipsets) / sizeof(yc_chipsets[0]) - 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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static void
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pccbb_shutdown(void *arg)
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{
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struct pccbb_softc *sc = arg;
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pcireg_t command;
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DPRINTF(("%s: shutdown\n", sc->sc_dev.dv_xname));
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bus_space_write_4(sc->sc_base_memt, sc->sc_base_memh, CB_SOCKET_MASK,
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0);
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command = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
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command &= ~(PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
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PCI_COMMAND_MASTER_ENABLE);
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pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, command);
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}
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void
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pccbbattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct pccbb_softc *sc = (void *)self;
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struct pci_attach_args *pa = aux;
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pci_chipset_tag_t pc = pa->pa_pc;
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pcireg_t busreg, reg, sock_base;
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bus_addr_t sockbase;
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char devinfo[256];
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int flags;
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sc->sc_chipset = cb_chipset(pa->pa_id, &flags);
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pci_devinfo(pa->pa_id, 0, 0, devinfo);
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printf(": %s (rev. 0x%02x)", devinfo, PCI_REVISION(pa->pa_class));
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#ifdef CBB_DEBUG
|
|
printf(" (chipflags %x)", flags);
|
|
#endif
|
|
printf("\n");
|
|
|
|
TAILQ_INIT(&sc->sc_memwindow);
|
|
TAILQ_INIT(&sc->sc_iowindow);
|
|
|
|
#if rbus
|
|
sc->sc_rbus_iot = rbus_pccbb_parent_io(pa);
|
|
sc->sc_rbus_memt = rbus_pccbb_parent_mem(pa);
|
|
#endif /* rbus */
|
|
|
|
sc->sc_base_memh = 0;
|
|
|
|
/*
|
|
* 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, NULL)) {
|
|
printf("%s: can't map socket base address 0x%x\n",
|
|
sc->sc_dev.dv_xname, 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,
|
|
NULL)) {
|
|
printf("%s: can't map socket base address"
|
|
" 0x%lx: io mode\n", sc->sc_dev.dv_xname,
|
|
sockbase);
|
|
/* give up... allocate reg space via rbus. */
|
|
sc->sc_base_memh = 0;
|
|
pci_conf_write(pc, pa->pa_tag, PCI_SOCKBASE, 0);
|
|
}
|
|
} else {
|
|
DPRINTF(("%s: socket base address 0x%lx\n",
|
|
sc->sc_dev.dv_xname, sockbase));
|
|
}
|
|
}
|
|
|
|
sc->sc_mem_start = 0; /* XXX */
|
|
sc->sc_mem_end = 0xffffffff; /* XXX */
|
|
|
|
/*
|
|
* When interrupt isn't routed correctly, give up probing cbb and do
|
|
* not kill pcic-compatible port.
|
|
*/
|
|
if ((0 == pa->pa_intrline) || (255 == pa->pa_intrline)) {
|
|
printf("%s: NOT USED because of unconfigured interrupt\n",
|
|
sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* When bus number isn't set correctly, give up using 32-bit CardBus
|
|
* mode.
|
|
*/
|
|
busreg = pci_conf_read(pc, pa->pa_tag, PCI_BUSNUM);
|
|
#if notyet
|
|
if (((busreg >> 8) & 0xff) == 0) {
|
|
printf("%s: CardBus support disabled because of unconfigured bus number\n",
|
|
sc->sc_dev.dv_xname);
|
|
flags |= PCCBB_PCMCIA_16BITONLY;
|
|
}
|
|
#endif
|
|
|
|
/* pccbb_machdep.c end */
|
|
|
|
#if defined CBB_DEBUG
|
|
{
|
|
static char *intrname[5] = { "NON", "A", "B", "C", "D" };
|
|
printf("%s: intrpin %s, intrtag %d\n", sc->sc_dev.dv_xname,
|
|
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;
|
|
sc->sc_function = pa->pa_function;
|
|
|
|
sc->sc_intrline = pa->pa_intrline;
|
|
sc->sc_intrtag = pa->pa_intrtag;
|
|
sc->sc_intrpin = pa->pa_intrpin;
|
|
|
|
sc->sc_pcmcia_flags = flags; /* set PCMCIA facility */
|
|
|
|
shutdownhook_establish(pccbb_shutdown, sc);
|
|
|
|
/* 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_BCR_INTR);
|
|
reg &= ~(CB_BCRI_RL_3E0_ENA | CB_BCRI_RL_3E2_ENA);
|
|
pci_conf_write(pc, pa->pa_tag, PCI_BCR_INTR, 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;
|
|
}
|
|
|
|
config_defer(self, pccbb_pci_callback);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* static void pccbb_pci_callback(struct device *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(self)
|
|
struct device *self;
|
|
{
|
|
struct pccbb_softc *sc = (void *)self;
|
|
pci_chipset_tag_t pc = sc->sc_pc;
|
|
bus_space_tag_t base_memt;
|
|
bus_space_handle_t base_memh;
|
|
u_int32_t maskreg;
|
|
pci_intr_handle_t ih;
|
|
const char *intrstr = NULL;
|
|
bus_addr_t sockbase;
|
|
struct cbslot_attach_args cba;
|
|
struct pcmciabus_attach_args paa;
|
|
struct cardslot_attach_args caa;
|
|
struct cardslot_softc *csc;
|
|
|
|
if (0 == sc->sc_base_memh) {
|
|
/* 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 resister address 0x%lx -> 0x%x\n",
|
|
sc->sc_dev.dv_xname, sockbase, 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 resister address 0x%x -> 0x%x\n",
|
|
sc->sc_dev.dv_xname, sock_base, pci_conf_read(pc,
|
|
sc->sc_tag, PCI_SOCKBASE)));
|
|
#endif
|
|
}
|
|
|
|
/* bus bridge initialization */
|
|
pccbb_chipinit(sc);
|
|
|
|
base_memt = sc->sc_base_memt; /* socket regs memory tag */
|
|
base_memh = sc->sc_base_memh; /* socket regs memory handle */
|
|
|
|
/* CSC Interrupt: Card detect interrupt on */
|
|
maskreg = bus_space_read_4(base_memt, base_memh, CB_SOCKET_MASK);
|
|
maskreg |= CB_SOCKET_MASK_CD; /* Card detect intr is turned on. */
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_MASK, maskreg);
|
|
/* reset interrupt */
|
|
bus_space_write_4(base_memt, base_memh, CB_SOCKET_EVENT,
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_EVENT));
|
|
|
|
/* clear data structure for child device interrupt handlers */
|
|
sc->sc_pil = NULL;
|
|
sc->sc_pil_intr_enable = 1;
|
|
|
|
/* Map and establish the interrupt. */
|
|
if (pci_intr_map(pc, sc->sc_intrtag, sc->sc_intrpin,
|
|
sc->sc_intrline, &ih)) {
|
|
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pc, ih);
|
|
|
|
/*
|
|
* XXX pccbbintr should be called under the priority lower
|
|
* than any other hard interrputs.
|
|
*/
|
|
sc->sc_ih = pci_intr_establish(pc, ih, IPL_BIO, pccbbintr, sc);
|
|
|
|
if (sc->sc_ih == NULL) {
|
|
printf("%s: couldn't establish interrupt", sc->sc_dev.dv_xname);
|
|
if (intrstr != NULL) {
|
|
printf(" at %s", intrstr);
|
|
}
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
|
|
powerhook_establish(pccbb_powerhook, sc);
|
|
|
|
{
|
|
u_int32_t sockstat =
|
|
bus_space_read_4(base_memt, base_memh, CB_SOCKET_STAT);
|
|
if (0 == (sockstat & CB_SOCKET_STAT_CD)) {
|
|
sc->sc_flags |= CBB_CARDEXIST;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* attach cardbus
|
|
*/
|
|
if (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) {
|
|
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_busname = "cardbus";
|
|
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 = sc->sc_intrline;
|
|
|
|
#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_lattimer = PCI_CB_LATENCY(busreg);
|
|
|
|
printf("%s: cacheline 0x%x lattimer 0x%x\n",
|
|
sc->sc_dev.dv_xname, cba.cba_cacheline, cba.cba_lattimer);
|
|
printf("%s: bhlc 0x%x lscp 0x%x\n", sc->sc_dev.dv_xname, bhlc,
|
|
busreg);
|
|
#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 (!(sc->sc_pcmcia_flags & PCCBB_PCMCIA_16BITONLY)) {
|
|
caa.caa_cb_attach = &cba;
|
|
}
|
|
caa.caa_16_attach = &paa;
|
|
caa.caa_ph = &sc->sc_pcmcia_h;
|
|
|
|
if (NULL != (csc = (void *)config_found(self, &caa, cbbprint))) {
|
|
DPRINTF(("pccbbattach: found cardslot\n"));
|
|
sc->sc_csc = 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.
|
|
*/
|
|
static void
|
|
pccbb_chipinit(sc)
|
|
struct pccbb_softc *sc;
|
|
{
|
|
pci_chipset_tag_t pc = sc->sc_pc;
|
|
pcitag_t tag = sc->sc_tag;
|
|
pcireg_t reg;
|
|
|
|
/*
|
|
* Set PCI command reg.
|
|
* Some laptop's BIOSes (i.e. TICO) do not enable CardBus chip.
|
|
*/
|
|
reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
|
|
/* I believe it is harmless. */
|
|
reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
|
|
PCI_COMMAND_MASTER_ENABLE);
|
|
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg);
|
|
|
|
/*
|
|
* Set CardBus latency timer.
|
|
*/
|
|
reg = pci_conf_read(pc, tag, PCI_CB_LSCP_REG);
|
|
if (PCI_CB_LATENCY(reg) < 0x20) {
|
|
reg &= ~(PCI_CB_LATENCY_MASK << PCI_CB_LATENCY_SHIFT);
|
|
reg |= (0x20 << PCI_CB_LATENCY_SHIFT);
|
|
pci_conf_write(pc, tag, PCI_CB_LSCP_REG, reg);
|
|
}
|
|
DPRINTF(("CardBus latency timer 0x%x (%x)\n",
|
|
PCI_CB_LATENCY(reg), pci_conf_read(pc, tag, PCI_CB_LSCP_REG)));
|
|
|
|
/*
|
|
* Set PCI latency timer.
|
|
*/
|
|
reg = pci_conf_read(pc, tag, PCI_BHLC_REG);
|
|
if (PCI_LATTIMER(reg) < 0x10) {
|
|
reg &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
|
|
reg |= (0x10 << PCI_LATTIMER_SHIFT);
|
|
pci_conf_write(pc, tag, PCI_BHLC_REG, reg);
|
|
}
|
|
DPRINTF(("PCI latency timer 0x%x (%x)\n",
|
|
PCI_LATTIMER(reg), pci_conf_read(pc, tag, PCI_BHLC_REG)));
|
|
|
|
|
|
/* Route functional interrupts to PCI. */
|
|
reg = pci_conf_read(pc, tag, PCI_BCR_INTR);
|
|
reg &= ~CB_BCR_INTR_IREQ_ENABLE; /* use PCI Intr */
|
|
reg |= CB_BCR_WRITE_POST_ENABLE; /* enable write post */
|
|
reg |= CB_BCR_RESET_ENABLE; /* assert reset */
|
|
pci_conf_write(pc, tag, PCI_BCR_INTR, reg);
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
reg = 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. */
|
|
reg |= PCI113X_CBCTRL_PCI_IRQ_ENA;
|
|
/* CSC intr enable */
|
|
reg |= PCI113X_CBCTRL_PCI_CSC;
|
|
/* functional intr prohibit | prohibit ISA routing */
|
|
reg &= ~(PCI113X_CBCTRL_PCI_INTR | PCI113X_CBCTRL_INT_MASK);
|
|
pci_conf_write(pc, tag, PCI_CBCTRL, reg);
|
|
break;
|
|
|
|
case CB_TOPIC95B:
|
|
reg = pci_conf_read(pc, tag, TOPIC_SOCKET_CTRL);
|
|
reg |= TOPIC_SOCKET_CTRL_SCR_IRQSEL;
|
|
pci_conf_write(pc, tag, TOPIC_SOCKET_CTRL, reg);
|
|
|
|
reg = pci_conf_read(pc, tag, TOPIC_SLOT_CTRL);
|
|
DPRINTF(("%s: topic slot ctrl reg 0x%x -> ",
|
|
sc->sc_dev.dv_xname, reg));
|
|
reg |= (TOPIC_SLOT_CTRL_SLOTON | TOPIC_SLOT_CTRL_SLOTEN |
|
|
TOPIC_SLOT_CTRL_ID_LOCK | TOPIC_SLOT_CTRL_CARDBUS);
|
|
reg &= ~TOPIC_SLOT_CTRL_SWDETECT;
|
|
DPRINTF(("0x%x\n", reg));
|
|
pci_conf_write(pc, tag, TOPIC_SLOT_CTRL, reg);
|
|
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(sc->sc_base_memt, sc->sc_base_memh,
|
|
0x800 + PCIC_INTR,
|
|
bus_space_read_1(sc->sc_base_memt, sc->sc_base_memh,
|
|
0x800 + PCIC_INTR) & ~PCIC_INTR_RESET);
|
|
|
|
/* turn of power */
|
|
pccbb_power((cardbus_chipset_tag_t)sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* 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(sc, paa)
|
|
struct pccbb_softc *sc;
|
|
struct pcmciabus_attach_args *paa;
|
|
{
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
|
|
/* initialize pcmcia part in pccbb_softc */
|
|
ph->ph_parent = (struct device *)sc;
|
|
ph->sock = sc->sc_function;
|
|
ph->flags = 0;
|
|
ph->shutdown = 0;
|
|
ph->ih_irq = sc->sc_intrline;
|
|
ph->ph_bus_t = sc->sc_base_memt;
|
|
ph->ph_bus_h = sc->sc_base_memh;
|
|
ph->ph_read = pccbb_pcmcia_read;
|
|
ph->ph_write = pccbb_pcmcia_write;
|
|
sc->sc_pct = &pccbb_pcmcia_funcs;
|
|
|
|
/*
|
|
* 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(ph, PCIC_INTR, PCIC_INTR_ENABLE);
|
|
if (sc->sc_chipset == CB_TI113X) {
|
|
Pcic_write(ph, PCIC_CSC_INTR, 0);
|
|
} else {
|
|
Pcic_write(ph, PCIC_CSC_INTR, PCIC_CSC_INTR_CD_ENABLE);
|
|
Pcic_read(ph, PCIC_CSC);
|
|
}
|
|
|
|
/* initialize pcmcia bus attachment */
|
|
paa->paa_busname = "pcmcia";
|
|
paa->pct = sc->sc_pct;
|
|
paa->pch = ph;
|
|
paa->iobase = 0; /* I don't use them */
|
|
paa->iosize = 0;
|
|
#if rbus
|
|
rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot;
|
|
paa->iobase = rb->rb_start + rb->rb_offset;
|
|
paa->iosize = rb->rb_end - rb->rb_start;
|
|
#endif
|
|
|
|
return;
|
|
}
|
|
|
|
#if 0
|
|
STATIC void
|
|
pccbb_pcmcia_attach_card(ph)
|
|
struct pcic_handle *ph;
|
|
{
|
|
if (ph->flags & PCIC_FLAG_CARDP) {
|
|
panic("pccbb_pcmcia_attach_card: already attached");
|
|
}
|
|
|
|
/* call the MI attach function */
|
|
pcmcia_card_attach(ph->pcmcia);
|
|
|
|
ph->flags |= PCIC_FLAG_CARDP;
|
|
}
|
|
|
|
STATIC void
|
|
pccbb_pcmcia_detach_card(ph, flags)
|
|
struct pcic_handle *ph;
|
|
int flags;
|
|
{
|
|
if (!(ph->flags & PCIC_FLAG_CARDP)) {
|
|
panic("pccbb_pcmcia_detach_card: already detached");
|
|
}
|
|
|
|
ph->flags &= ~PCIC_FLAG_CARDP;
|
|
|
|
/* call the MI detach function */
|
|
pcmcia_card_detach(ph->pcmcia, flags);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* int pccbbintr(arg)
|
|
* void *arg;
|
|
* This routine handles the interrupt from Yenta PCI-CardBus bridge
|
|
* itself.
|
|
*/
|
|
int
|
|
pccbbintr(arg)
|
|
void *arg;
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)arg;
|
|
u_int32_t sockevent, sockstate;
|
|
bus_space_tag_t memt = sc->sc_base_memt;
|
|
bus_space_handle_t memh = sc->sc_base_memh;
|
|
struct pcic_handle *ph = &sc->sc_pcmcia_h;
|
|
|
|
sockevent = bus_space_read_4(memt, memh, CB_SOCKET_EVENT);
|
|
bus_space_write_4(memt, memh, CB_SOCKET_EVENT, sockevent);
|
|
Pcic_read(ph, PCIC_CSC);
|
|
|
|
if (sockevent == 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 (CB_SOCKET_STAT_CD == (sockstate & CB_SOCKET_STAT_CD)) {
|
|
/* A card should be removed. */
|
|
if (sc->sc_flags & CBB_CARDEXIST) {
|
|
DPRINTF(("%s: 0x%08x", sc->sc_dev.dv_xname,
|
|
sockevent));
|
|
DPRINTF((" card removed, 0x%08x\n", sockstate));
|
|
sc->sc_flags &= ~CBB_CARDEXIST;
|
|
if (sc->sc_csc->sc_status &
|
|
CARDSLOT_STATUS_CARD_16) {
|
|
#if 0
|
|
struct pcic_handle *ph =
|
|
&sc->sc_pcmcia_h;
|
|
|
|
pcmcia_card_deactivate(ph->pcmcia);
|
|
pccbb_pcmcia_socket_disable(ph);
|
|
pccbb_pcmcia_detach_card(ph,
|
|
DETACH_FORCE);
|
|
#endif
|
|
cardslot_event_throw(sc->sc_csc,
|
|
CARDSLOT_EVENT_REMOVAL_16);
|
|
} else if (sc->sc_csc->sc_status &
|
|
CARDSLOT_STATUS_CARD_CB) {
|
|
/* Cardbus intr removed */
|
|
cardslot_event_throw(sc->sc_csc,
|
|
CARDSLOT_EVENT_REMOVAL_CB);
|
|
}
|
|
}
|
|
} 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_reset(&sc->sc_insert_ch, hz / 10,
|
|
pci113x_insert, sc);
|
|
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(sc)
|
|
struct pccbb_softc *sc;
|
|
{
|
|
int retval = 0, val;
|
|
struct pccbb_intrhand_list *pil;
|
|
int s, splchanged;
|
|
|
|
for (pil = sc->sc_pil; pil != NULL; pil = pil->pil_next) {
|
|
/*
|
|
* XXX priority change. gross. I use if-else
|
|
* sentense instead of switch-case sentense because of
|
|
* avoiding duplicate case value error. More than one
|
|
* IPL_XXX use same value. It depends on
|
|
* implimentation.
|
|
*/
|
|
splchanged = 1;
|
|
if (pil->pil_level == IPL_SERIAL) {
|
|
s = splserial();
|
|
} else if (pil->pil_level == IPL_HIGH) {
|
|
s = splhigh();
|
|
} else if (pil->pil_level == IPL_CLOCK) {
|
|
s = splclock();
|
|
} else if (pil->pil_level == IPL_AUDIO) {
|
|
s = splaudio();
|
|
} else if (pil->pil_level == IPL_IMP) {
|
|
s = splimp();
|
|
} else if (pil->pil_level == IPL_TTY) {
|
|
s = spltty();
|
|
} else if (pil->pil_level == IPL_SOFTSERIAL) {
|
|
s = splsoftserial();
|
|
} else if (pil->pil_level == IPL_NET) {
|
|
s = splnet();
|
|
} else {
|
|
splchanged = 0;
|
|
/* XXX: ih lower than IPL_BIO runs w/ IPL_BIO. */
|
|
}
|
|
|
|
val = (*pil->pil_func)(pil->pil_arg);
|
|
|
|
if (splchanged != 0) {
|
|
splx(s);
|
|
}
|
|
|
|
retval = retval == 1 ? 1 :
|
|
retval == 0 ? val : val != 0 ? val : retval;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void
|
|
pci113x_insert(arg)
|
|
void *arg;
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)arg;
|
|
u_int32_t sockevent, sockstate;
|
|
|
|
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", sc->sc_dev.dv_xname, sockevent));
|
|
DPRINTF((" card inserted, 0x%08x\n", sockstate));
|
|
sc->sc_flags |= CBB_CARDEXIST;
|
|
/* call pccard interrupt handler here */
|
|
if (sockstate & CB_SOCKET_STAT_16BIT) {
|
|
/* 16-bit card found */
|
|
/* pccbb_pcmcia_attach_card(&sc->sc_pcmcia_h); */
|
|
cardslot_event_throw(sc->sc_csc,
|
|
CARDSLOT_EVENT_INSERTION_16);
|
|
} else if (sockstate & CB_SOCKET_STAT_CB) {
|
|
/* cardbus card found */
|
|
/* cardbus_attach_card(sc->sc_csc); */
|
|
cardslot_event_throw(sc->sc_csc,
|
|
CARDSLOT_EVENT_INSERTION_CB);
|
|
} else {
|
|
/* who are you? */
|
|
}
|
|
} else {
|
|
callout_reset(&sc->sc_insert_ch, hz / 10,
|
|
pci113x_insert, sc);
|
|
}
|
|
}
|
|
|
|
#define PCCBB_PCMCIA_OFFSET 0x800
|
|
static u_int8_t
|
|
pccbb_pcmcia_read(ph, reg)
|
|
struct pcic_handle *ph;
|
|
int reg;
|
|
{
|
|
return bus_space_read_1(ph->ph_bus_t, ph->ph_bus_h,
|
|
PCCBB_PCMCIA_OFFSET + reg);
|
|
}
|
|
|
|
static void
|
|
pccbb_pcmcia_write(ph, reg, val)
|
|
struct pcic_handle *ph;
|
|
int reg;
|
|
u_int8_t val;
|
|
{
|
|
bus_space_write_1(ph->ph_bus_t, ph->ph_bus_h, PCCBB_PCMCIA_OFFSET + reg,
|
|
val);
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_ctrl(cardbus_chipset_tag_t, int)
|
|
*/
|
|
STATIC int
|
|
pccbb_ctrl(ct, command)
|
|
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;
|
|
}
|
|
break;
|
|
case CARDBUS_RESET:
|
|
return cb_reset(sc);
|
|
break;
|
|
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 */
|
|
return pccbb_cardenable(sc, command);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* 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(ct, command)
|
|
cardbus_chipset_tag_t ct;
|
|
int command;
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
u_int32_t status, sock_ctrl;
|
|
bus_space_tag_t memt = sc->sc_base_memt;
|
|
bus_space_handle_t memh = sc->sc_base_memh;
|
|
|
|
DPRINTF(("pccbb_power: %s and %s [%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);
|
|
sock_ctrl = bus_space_read_4(memt, memh, CB_SOCKET_CTRL);
|
|
|
|
switch (command & CARDBUS_VCCMASK) {
|
|
case CARDBUS_VCC_UC:
|
|
break;
|
|
case CARDBUS_VCC_5V:
|
|
if (CB_SOCKET_STAT_5VCARD & status) { /* check 5 V card */
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= CB_SOCKET_CTRL_VCC_5V;
|
|
} else {
|
|
printf("%s: BAD voltage request: no 5 V card\n",
|
|
sc->sc_dev.dv_xname);
|
|
}
|
|
break;
|
|
case CARDBUS_VCC_3V:
|
|
if (CB_SOCKET_STAT_3VCARD & status) {
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
sock_ctrl |= CB_SOCKET_CTRL_VCC_3V;
|
|
} else {
|
|
printf("%s: BAD voltage request: no 3.3 V card\n",
|
|
sc->sc_dev.dv_xname);
|
|
}
|
|
break;
|
|
case CARDBUS_VCC_0V:
|
|
sock_ctrl &= ~CB_SOCKET_CTRL_VCCMASK;
|
|
break;
|
|
default:
|
|
return 0; /* power NEVER changed */
|
|
break;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#if 0
|
|
DPRINTF(("sock_ctrl: %x\n", sock_ctrl));
|
|
#endif
|
|
bus_space_write_4(memt, memh, CB_SOCKET_CTRL, sock_ctrl);
|
|
status = bus_space_read_4(memt, memh, CB_SOCKET_STAT);
|
|
|
|
delay(20 * 1000); /* wait 20 ms: Vcc setup time */
|
|
/*
|
|
* XXX delay 200 ms: though the standard defines that the Vcc set-up
|
|
* time is 20 ms, some PC-Card bridge requires longer duration.
|
|
*/
|
|
delay(200 * 1000);
|
|
|
|
if (status & CB_SOCKET_STAT_BADVCC) { /* bad Vcc request */
|
|
printf
|
|
("%s: bad Vcc request. sock_ctrl 0x%x, sock_status 0x%x\n",
|
|
sc->sc_dev.dv_xname, sock_ctrl, status);
|
|
DPRINTF(("pccbb_power: %s and %s [%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));
|
|
#if 0
|
|
if (command == (CARDBUS_VCC_0V | CARDBUS_VPP_0V)) {
|
|
u_int32_t force =
|
|
bus_space_read_4(memt, memh, CB_SOCKET_FORCE);
|
|
/* Reset Bad Vcc request */
|
|
force &= ~CB_SOCKET_FORCE_BADVCC;
|
|
bus_space_write_4(memt, memh, CB_SOCKET_FORCE, force);
|
|
printf("new status 0x%x\n", bus_space_read_4(memt, memh,
|
|
CB_SOCKET_STAT));
|
|
return 1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
return 1; /* power changed correctly */
|
|
}
|
|
|
|
#if defined CB_PCMCIA_POLL
|
|
struct cb_poll_str {
|
|
void *arg;
|
|
int (*func) __P((void *));
|
|
int level;
|
|
pccard_chipset_tag_t ct;
|
|
int count;
|
|
struct callout poll_ch;
|
|
};
|
|
|
|
static struct cb_poll_str cb_poll[10];
|
|
static int cb_poll_n = 0;
|
|
|
|
static void cb_pcmcia_poll __P((void *arg));
|
|
|
|
static void
|
|
cb_pcmcia_poll(arg)
|
|
void *arg;
|
|
{
|
|
struct cb_poll_str *poll = arg;
|
|
struct cbb_pcmcia_softc *psc = (void *)poll->ct->v;
|
|
struct pccbb_softc *sc = psc->cpc_parent;
|
|
int s;
|
|
u_int32_t spsr; /* socket present-state reg */
|
|
|
|
callout_reset(&poll->poll_ch, hz / 10, cb_pcmcia_poll, poll);
|
|
switch (poll->level) {
|
|
case IPL_NET:
|
|
s = splnet();
|
|
break;
|
|
case IPL_BIO:
|
|
s = splbio();
|
|
break;
|
|
case IPL_TTY: /* fallthrough */
|
|
default:
|
|
s = spltty();
|
|
break;
|
|
}
|
|
|
|
spsr =
|
|
bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
|
|
CB_SOCKET_STAT);
|
|
|
|
#if defined CB_PCMCIA_POLL_ONLY && defined LEVEL2
|
|
if (!(spsr & 0x40)) { /* CINT low */
|
|
#else
|
|
if (1) {
|
|
#endif
|
|
if ((*poll->func) (poll->arg) == 1) {
|
|
++poll->count;
|
|
printf("intr: reported from poller, 0x%x\n", spsr);
|
|
#if defined LEVEL2
|
|
} else {
|
|
printf("intr: miss! 0x%x\n", spsr);
|
|
#endif
|
|
}
|
|
}
|
|
splx(s);
|
|
}
|
|
#endif /* defined CB_PCMCIA_POLL */
|
|
|
|
/*
|
|
* 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(sc)
|
|
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(sc)
|
|
struct pccbb_softc *sc;
|
|
{
|
|
/*
|
|
* Reset Assert at least 20 ms
|
|
* Some machines request longer duration.
|
|
*/
|
|
int reset_duration =
|
|
(sc->sc_chipset == CB_RX5C47X ? 400 * 1000 : 40 * 1000);
|
|
u_int32_t bcr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR);
|
|
|
|
/* Reset bit Assert (bit 6 at 0x3E) */
|
|
bcr |= CB_BCR_RESET_ENABLE;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr);
|
|
delay(reset_duration);
|
|
|
|
if (CBB_CARDEXIST & sc->sc_flags) { /* A card exists. Reset it! */
|
|
/* Reset bit Deassert (bit 6 at 0x3E) */
|
|
bcr &= ~CB_BCR_RESET_ENABLE;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_BCR_INTR, bcr);
|
|
delay(reset_duration);
|
|
}
|
|
/* 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(sc)
|
|
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(aux, pcic)
|
|
void *aux;
|
|
const char *pcic;
|
|
{
|
|
/*
|
|
struct cbslot_attach_args *cba = aux;
|
|
|
|
if (cba->cba_slot >= 0) {
|
|
printf(" slot %d", cba->cba_slot);
|
|
}
|
|
*/
|
|
return UNCONF;
|
|
}
|
|
|
|
/*
|
|
* STATIC int pccbb_cardenable(struct pccbb_softc *sc, int function)
|
|
* This function enables and disables the card
|
|
*/
|
|
STATIC int
|
|
pccbb_cardenable(sc, function)
|
|
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
|
|
/*
|
|
* int pccbb_io_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t)
|
|
*/
|
|
static int
|
|
pccbb_io_open(ct, win, start, end)
|
|
cardbus_chipset_tag_t ct;
|
|
int win;
|
|
u_int32_t start, 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 + 0x2c;
|
|
limitreg = win * 8 + 0x30;
|
|
|
|
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(ct, win)
|
|
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 + 0x2c;
|
|
limitreg = win * 8 + 0x30;
|
|
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, basereg, 0);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, limitreg, 0);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* int pccbb_mem_open(cardbus_chipset_tag_t, int, u_int32_t, u_int32_t)
|
|
*/
|
|
static int
|
|
pccbb_mem_open(ct, win, start, end)
|
|
cardbus_chipset_tag_t ct;
|
|
int win;
|
|
u_int32_t start, 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 + 0x1c;
|
|
limitreg = win * 8 + 0x20;
|
|
|
|
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_mem_close(cardbus_chipset_tag_t, int)
|
|
*/
|
|
static int
|
|
pccbb_mem_close(ct, win)
|
|
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 + 0x1c;
|
|
limitreg = win * 8 + 0x20;
|
|
|
|
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) __P((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(ct, irq, level, func, arg)
|
|
cardbus_chipset_tag_t ct;
|
|
int irq, level;
|
|
int (*func) __P((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(ct, ih)
|
|
cardbus_chipset_tag_t ct;
|
|
void *ih;
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ct;
|
|
|
|
pccbb_intr_disestablish(sc, ih);
|
|
}
|
|
|
|
|
|
/*
|
|
* static void *pccbb_intr_establish(struct pccbb_softc *sc,
|
|
* int irq,
|
|
* int level,
|
|
* int (* func) __P((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(sc, irq, level, func, arg)
|
|
struct pccbb_softc *sc;
|
|
int irq, level;
|
|
int (*func) __P((void *));
|
|
void *arg;
|
|
{
|
|
struct pccbb_intrhand_list *pil, *newpil;
|
|
|
|
DPRINTF(("pccbb_intr_establish start. %p\n", sc->sc_pil));
|
|
|
|
if (sc->sc_pil == NULL) {
|
|
/* initialize bridge intr routing */
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
{
|
|
pcireg_t 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;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* 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_level = level;
|
|
newpil->pil_next = NULL;
|
|
|
|
if (sc->sc_pil == NULL) {
|
|
sc->sc_pil = newpil;
|
|
} else {
|
|
for (pil = sc->sc_pil; pil->pil_next != NULL;
|
|
pil = pil->pil_next);
|
|
pil->pil_next = newpil;
|
|
}
|
|
|
|
DPRINTF(("pccbb_intr_establish add pil. %p\n", 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.
|
|
*/
|
|
static void
|
|
pccbb_intr_disestablish(sc, ih)
|
|
struct pccbb_softc *sc;
|
|
void *ih;
|
|
{
|
|
struct pccbb_intrhand_list *pil, **pil_prev;
|
|
|
|
DPRINTF(("pccbb_intr_disestablish start. %p\n", sc->sc_pil));
|
|
|
|
pil_prev = &sc->sc_pil;
|
|
|
|
for (pil = sc->sc_pil; pil != NULL; pil = pil->pil_next) {
|
|
if (pil == ih) {
|
|
*pil_prev = pil->pil_next;
|
|
free(pil, M_DEVBUF);
|
|
DPRINTF(("pccbb_intr_disestablish frees one pil\n"));
|
|
break;
|
|
}
|
|
pil_prev = &pil->pil_next;
|
|
}
|
|
|
|
if (sc->sc_pil == NULL) {
|
|
/* No interrupt handlers */
|
|
|
|
DPRINTF(("pccbb_intr_disestablish: no interrupt handler\n"));
|
|
|
|
switch (sc->sc_chipset) {
|
|
case CB_TI113X:
|
|
{
|
|
pcireg_t cbctrl =
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag,
|
|
PCI_CBCTRL);
|
|
/* functional intr disabled */
|
|
cbctrl &= ~PCI113X_CBCTRL_PCI_INTR;
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag,
|
|
PCI_CBCTRL, cbctrl);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined SHOW_REGS
|
|
static void
|
|
cb_show_regs(pc, tag, memt, memh)
|
|
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 cardbustag_t pccbb_make_tag(cardbus_chipset_tag_t cc,
|
|
* int busno, int devno, 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 cardbustag_t
|
|
pccbb_make_tag(cc, busno, devno, function)
|
|
cardbus_chipset_tag_t cc;
|
|
int busno, devno, function;
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
|
|
|
|
return pci_make_tag(sc->sc_pc, busno, devno, function);
|
|
}
|
|
|
|
static void
|
|
pccbb_free_tag(cc, tag)
|
|
cardbus_chipset_tag_t cc;
|
|
cardbustag_t tag;
|
|
{
|
|
}
|
|
|
|
/*
|
|
* static cardbusreg_t pccbb_conf_read(cardbus_chipset_tag_t cc,
|
|
* cardbustag_t tag, int offset)
|
|
* This is the function to read the config space of a CardBus Card.
|
|
* It works same as pci_conf_read.
|
|
*/
|
|
static cardbusreg_t
|
|
pccbb_conf_read(cc, tag, offset)
|
|
cardbus_chipset_tag_t cc;
|
|
cardbustag_t tag;
|
|
int offset; /* register offset */
|
|
{
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)cc;
|
|
|
|
return pci_conf_read(sc->sc_pc, tag, offset);
|
|
}
|
|
|
|
/*
|
|
* static void pccbb_conf_write(cardbus_chipset_tag_t cc, cardbustag_t tag,
|
|
* int offs, cardbusreg_t val)
|
|
* This is the function to write the config space of a CardBus Card.
|
|
* It works same as pci_conf_write.
|
|
*/
|
|
static void
|
|
pccbb_conf_write(cc, tag, reg, val)
|
|
cardbus_chipset_tag_t cc;
|
|
cardbustag_t tag;
|
|
int reg; /* register offset */
|
|
cardbusreg_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(pch, start, size, align, pcihp)
|
|
pcmcia_chipset_handle_t pch;
|
|
bus_addr_t start; /* start address */
|
|
bus_size_t size;
|
|
bus_size_t align;
|
|
struct pcmcia_io_handle *pcihp;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
bus_addr_t ioaddr;
|
|
int flags = 0;
|
|
bus_space_tag_t iot;
|
|
bus_space_handle_t ioh;
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
if (align == 0) {
|
|
align = size; /* XXX: funny??? */
|
|
}
|
|
|
|
/*
|
|
* Allocate some arbitrary I/O space.
|
|
*/
|
|
|
|
iot = ((struct pccbb_softc *)(ph->ph_parent))->sc_iot;
|
|
|
|
#if rbus
|
|
rb = ((struct pccbb_softc *)(ph->ph_parent))->sc_rbus_iot;
|
|
/* XXX: I assume all card decode lower 10 bits by its hardware */
|
|
if (rbus_space_alloc(rb, start, size, 0x3ff, align, 0, &ioaddr, &ioh)) {
|
|
return 1;
|
|
}
|
|
#else
|
|
if (start) {
|
|
ioaddr = start;
|
|
if (bus_space_map(iot, start, size, 0, &ioh)) {
|
|
return 1;
|
|
}
|
|
DPRINTF(("pccbb_pcmcia_io_alloc map port %lx+%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(pch, pcihp)
|
|
pcmcia_chipset_handle_t pch;
|
|
struct pcmcia_io_handle *pcihp;
|
|
{
|
|
#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
|
|
struct pccbb_softc *sc =
|
|
(struct pccbb_softc *)((struct pcic_handle *)pch)->ph_parent;
|
|
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(pch, width, offset, size, pcihp, windowp)
|
|
pcmcia_chipset_handle_t pch;
|
|
int width;
|
|
bus_addr_t offset;
|
|
bus_size_t size;
|
|
struct pcmcia_io_handle *pcihp;
|
|
int *windowp;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
bus_addr_t ioaddr = pcihp->addr + offset;
|
|
int i, win;
|
|
#if defined CBB_DEBUG
|
|
static char *width_names[] = { "dynamic", "io8", "io16" };
|
|
#endif
|
|
|
|
/* Sanity check I/O handle. */
|
|
|
|
if (((struct pccbb_softc *)ph->ph_parent)->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(ph, 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(ph, win)
|
|
struct pcic_handle *ph;
|
|
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;
|
|
|
|
DPRINTF(
|
|
("pccbb_pcmcia_do_io_map win %d addr 0x%lx size 0x%lx width %d\n",
|
|
win, (long)ph->io[win].addr, (long)ph->io[win].size,
|
|
ph->io[win].width * 8));
|
|
|
|
Pcic_write(ph, regbase_win + PCIC_SIA_START_LOW,
|
|
ph->io[win].addr & 0xff);
|
|
Pcic_write(ph, regbase_win + PCIC_SIA_START_HIGH,
|
|
(ph->io[win].addr >> 8) & 0xff);
|
|
|
|
Pcic_write(ph, regbase_win + PCIC_SIA_STOP_LOW,
|
|
(ph->io[win].addr + ph->io[win].size - 1) & 0xff);
|
|
Pcic_write(ph, regbase_win + PCIC_SIA_STOP_HIGH,
|
|
((ph->io[win].addr + ph->io[win].size - 1) >> 8) & 0xff);
|
|
|
|
ioctl = Pcic_read(ph, PCIC_IOCTL);
|
|
enable = Pcic_read(ph, 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(ph, PCIC_IOCTL, ioctl);
|
|
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, enable);
|
|
#if defined CBB_DEBUG
|
|
{
|
|
u_int8_t start_low =
|
|
Pcic_read(ph, regbase_win + PCIC_SIA_START_LOW);
|
|
u_int8_t start_high =
|
|
Pcic_read(ph, regbase_win + PCIC_SIA_START_HIGH);
|
|
u_int8_t stop_low =
|
|
Pcic_read(ph, regbase_win + PCIC_SIA_STOP_LOW);
|
|
u_int8_t stop_high =
|
|
Pcic_read(ph, regbase_win + PCIC_SIA_STOP_HIGH);
|
|
printf
|
|
(" 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(pch, win)
|
|
pcmcia_chipset_handle_t pch;
|
|
int win;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
int reg;
|
|
|
|
if (win >= PCIC_IO_WINS || win < 0) {
|
|
panic("pccbb_pcmcia_io_unmap: window out of range");
|
|
}
|
|
|
|
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
|
|
switch (win) {
|
|
case 0:
|
|
reg &= ~PCIC_ADDRWIN_ENABLE_IO0;
|
|
break;
|
|
case 1:
|
|
reg &= ~PCIC_ADDRWIN_ENABLE_IO1;
|
|
break;
|
|
}
|
|
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
ph->ioalloc &= ~(1 << win);
|
|
}
|
|
|
|
/*
|
|
* static void pccbb_pcmcia_wait_ready(struct pcic_handle *ph)
|
|
*
|
|
* This function enables the card. All information is stored in
|
|
* the first argument, pcmcia_chipset_handle_t.
|
|
*/
|
|
static void
|
|
pccbb_pcmcia_wait_ready(ph)
|
|
struct pcic_handle *ph;
|
|
{
|
|
int i;
|
|
|
|
DPRINTF(("pccbb_pcmcia_wait_ready: status 0x%02x\n",
|
|
Pcic_read(ph, PCIC_IF_STATUS)));
|
|
|
|
for (i = 0; i < 10000; i++) {
|
|
if (Pcic_read(ph, PCIC_IF_STATUS) & PCIC_IF_STATUS_READY) {
|
|
return;
|
|
}
|
|
delay(500);
|
|
#ifdef CBB_DEBUG
|
|
if ((i > 5000) && (i % 100 == 99))
|
|
printf(".");
|
|
#endif
|
|
}
|
|
|
|
#ifdef DIAGNOSTIC
|
|
printf("pcic_wait_ready: ready never happened, status = %02x\n",
|
|
Pcic_read(ph, PCIC_IF_STATUS));
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* 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(pch)
|
|
pcmcia_chipset_handle_t pch;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
int cardtype, win;
|
|
u_int8_t power, intr;
|
|
pcireg_t spsr;
|
|
int voltage;
|
|
|
|
/* 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 {
|
|
printf("?V card, 0x%x\n", spsr); /* XXX */
|
|
return;
|
|
}
|
|
|
|
/* assert reset bit */
|
|
intr = Pcic_read(ph, PCIC_INTR);
|
|
intr &= ~(PCIC_INTR_RESET | PCIC_INTR_CARDTYPE_MASK);
|
|
Pcic_write(ph, PCIC_INTR, intr);
|
|
|
|
/* disable socket i/o: negate output enable bit */
|
|
|
|
power = Pcic_read(ph, PCIC_PWRCTL);
|
|
power &= ~PCIC_PWRCTL_OE;
|
|
Pcic_write(ph, PCIC_PWRCTL, power);
|
|
|
|
/* power down the socket to reset it, clear the card reset pin */
|
|
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
|
|
/*
|
|
* wait 200ms until power fails (Tpf). Then, wait 100ms since
|
|
* we are changing Vcc (Toff).
|
|
*/
|
|
/* delay(300*1000); too much */
|
|
|
|
/* power up the socket */
|
|
pccbb_power(sc, voltage);
|
|
|
|
/*
|
|
* wait 100ms until power raise (Tpr) and 20ms to become
|
|
* stable (Tsu(Vcc)).
|
|
*
|
|
* some machines require some more time to be settled
|
|
* (another 200ms is added here).
|
|
*/
|
|
/* delay((100 + 20 + 200)*1000); too much */
|
|
|
|
power = Pcic_read(ph, PCIC_PWRCTL);
|
|
power |= PCIC_PWRCTL_OE;
|
|
Pcic_write(ph, PCIC_PWRCTL, power);
|
|
|
|
/*
|
|
* hold RESET at least 10us.
|
|
*/
|
|
delay(10);
|
|
delay(2 * 1000); /* XXX: TI1130 requires it. */
|
|
delay(20 * 1000); /* XXX: TI1130 requires it. */
|
|
|
|
/* clear the reset flag */
|
|
|
|
intr |= PCIC_INTR_RESET;
|
|
Pcic_write(ph, PCIC_INTR, intr);
|
|
|
|
/* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
|
|
|
|
delay(20000);
|
|
|
|
/* wait for the chip to finish initializing */
|
|
|
|
pccbb_pcmcia_wait_ready(ph);
|
|
|
|
/* zero out the address windows */
|
|
|
|
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, 0);
|
|
|
|
/* set the card type */
|
|
|
|
cardtype = pcmcia_card_gettype(ph->pcmcia);
|
|
|
|
intr |= ((cardtype == PCMCIA_IFTYPE_IO) ?
|
|
PCIC_INTR_CARDTYPE_IO : PCIC_INTR_CARDTYPE_MEM);
|
|
Pcic_write(ph, PCIC_INTR, intr);
|
|
|
|
DPRINTF(("%s: pccbb_pcmcia_socket_enable %02x cardtype %s %02x\n",
|
|
ph->ph_parent->dv_xname, ph->sock,
|
|
((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), intr));
|
|
|
|
/* 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(ph, win);
|
|
}
|
|
}
|
|
|
|
for (win = 0; win < PCIC_IO_WINS; ++win) {
|
|
if (ph->ioalloc & (1 << win)) {
|
|
pccbb_pcmcia_do_io_map(ph, 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(pch)
|
|
pcmcia_chipset_handle_t pch;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
u_int8_t power, intr;
|
|
|
|
DPRINTF(("pccbb_pcmcia_socket_disable\n"));
|
|
|
|
/* reset signal asserting... */
|
|
|
|
intr = Pcic_read(ph, PCIC_INTR);
|
|
intr &= ~(PCIC_INTR_CARDTYPE_MASK);
|
|
Pcic_write(ph, PCIC_INTR, intr);
|
|
delay(2 * 1000);
|
|
|
|
/* power down the socket */
|
|
power = Pcic_read(ph, PCIC_PWRCTL);
|
|
power &= ~PCIC_PWRCTL_OE;
|
|
Pcic_write(ph, PCIC_PWRCTL, power);
|
|
pccbb_power(sc, CARDBUS_VCC_0V | CARDBUS_VPP_0V);
|
|
/*
|
|
* wait 300ms until power fails (Tpf).
|
|
*/
|
|
delay(300 * 1000);
|
|
}
|
|
|
|
/*
|
|
* 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(pch)
|
|
pcmcia_chipset_handle_t pch;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
|
|
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(pch, size, pcmhp)
|
|
pcmcia_chipset_handle_t pch;
|
|
bus_size_t size;
|
|
struct pcmcia_mem_handle *pcmhp;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
bus_space_handle_t memh;
|
|
bus_addr_t addr;
|
|
bus_size_t sizepg;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
#if rbus
|
|
rbus_tag_t rb;
|
|
#endif
|
|
|
|
/* 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",
|
|
addr, size, 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(pch, pcmhp)
|
|
pcmcia_chipset_handle_t pch;
|
|
struct pcmcia_mem_handle *pcmhp;
|
|
{
|
|
#if rbus
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
|
|
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(ph, win)
|
|
struct pcic_handle *ph;
|
|
int win;
|
|
{
|
|
int regbase_win;
|
|
bus_addr_t phys_addr;
|
|
bus_addr_t phys_end;
|
|
|
|
#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",
|
|
phys_addr, phys_end, 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(ph, regbase_win + PCIC_SMM_START_LOW, start_low);
|
|
Pcic_write(ph, regbase_win + PCIC_SMM_START_HIGH, start_high);
|
|
|
|
if (((struct pccbb_softc *)ph->
|
|
ph_parent)->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
Pcic_write(ph, 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(ph, regbase_win + PCIC_SMM_STOP_LOW, stop_low);
|
|
Pcic_write(ph, 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(ph, regbase_win + PCIC_CMA_LOW, off_low);
|
|
Pcic_write(ph, regbase_win + PCIC_CMA_HIGH, off_high);
|
|
|
|
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
|
|
reg |= ((1 << win) | PCIC_ADDRWIN_ENABLE_MEMCS16);
|
|
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
#if defined CBB_DEBUG
|
|
{
|
|
int r1, r2, r3, r4, r5, r6, r7 = 0;
|
|
|
|
r1 = Pcic_read(ph, regbase_win + PCIC_SMM_START_LOW);
|
|
r2 = Pcic_read(ph, regbase_win + PCIC_SMM_START_HIGH);
|
|
r3 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_LOW);
|
|
r4 = Pcic_read(ph, regbase_win + PCIC_SMM_STOP_HIGH);
|
|
r5 = Pcic_read(ph, regbase_win + PCIC_CMA_LOW);
|
|
r6 = Pcic_read(ph, regbase_win + PCIC_CMA_HIGH);
|
|
if (((struct pccbb_softc *)(ph->
|
|
ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
r7 = Pcic_read(ph, 0x40 + win);
|
|
}
|
|
|
|
DPRINTF(("pccbb_pcmcia_do_mem_map window %d: %02x%02x %02x%02x "
|
|
"%02x%02x", win, r1, r2, r3, r4, r5, r6));
|
|
if (((struct pccbb_softc *)(ph->
|
|
ph_parent))->sc_pcmcia_flags & PCCBB_PCMCIA_MEM_32) {
|
|
DPRINTF((" %02x", r7));
|
|
}
|
|
DPRINTF(("\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(pch, kind, card_addr, size, pcmhp, offsetp, windowp)
|
|
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;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
bus_addr_t busaddr;
|
|
long card_offset;
|
|
int win;
|
|
|
|
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 (((struct pccbb_softc *)ph->ph_parent)->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(ph, 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(pch, window)
|
|
pcmcia_chipset_handle_t pch;
|
|
int window;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
int reg;
|
|
|
|
if (window >= PCIC_MEM_WINS) {
|
|
panic("pccbb_pcmcia_mem_unmap: window out of range");
|
|
}
|
|
|
|
reg = Pcic_read(ph, PCIC_ADDRWIN_ENABLE);
|
|
reg &= ~(1 << window);
|
|
Pcic_write(ph, PCIC_ADDRWIN_ENABLE, reg);
|
|
|
|
ph->memalloc &= ~(1 << window);
|
|
}
|
|
|
|
#if defined PCCBB_PCMCIA_POLL
|
|
struct pccbb_poll_str {
|
|
void *arg;
|
|
int (*func) __P((void *));
|
|
int level;
|
|
struct pcic_handle *ph;
|
|
int count;
|
|
int num;
|
|
struct callout poll_ch;
|
|
};
|
|
|
|
static struct pccbb_poll_str pccbb_poll[10];
|
|
static int pccbb_poll_n = 0;
|
|
|
|
static void pccbb_pcmcia_poll __P((void *arg));
|
|
|
|
static void
|
|
pccbb_pcmcia_poll(arg)
|
|
void *arg;
|
|
{
|
|
struct pccbb_poll_str *poll = arg;
|
|
struct pcic_handle *ph = poll->ph;
|
|
struct pccbb_softc *sc = ph->sc;
|
|
int s;
|
|
u_int32_t spsr; /* socket present-state reg */
|
|
|
|
callout_reset(&poll->poll_ch, hz * 2, pccbb_pcmcia_poll, arg);
|
|
switch (poll->level) {
|
|
case IPL_NET:
|
|
s = splnet();
|
|
break;
|
|
case IPL_BIO:
|
|
s = splbio();
|
|
break;
|
|
case IPL_TTY: /* fallthrough */
|
|
default:
|
|
s = spltty();
|
|
break;
|
|
}
|
|
|
|
spsr =
|
|
bus_space_read_4(sc->sc_base_memt, sc->sc_base_memh,
|
|
CB_SOCKET_STAT);
|
|
|
|
#if defined PCCBB_PCMCIA_POLL_ONLY && defined LEVEL2
|
|
if (!(spsr & 0x40)) /* CINT low */
|
|
#else
|
|
if (1)
|
|
#endif
|
|
{
|
|
if ((*poll->func) (poll->arg) > 0) {
|
|
++poll->count;
|
|
// printf("intr: reported from poller, 0x%x\n", spsr);
|
|
#if defined LEVEL2
|
|
} else {
|
|
printf("intr: miss! 0x%x\n", spsr);
|
|
#endif
|
|
}
|
|
}
|
|
splx(s);
|
|
}
|
|
#endif /* defined CB_PCMCIA_POLL */
|
|
|
|
/*
|
|
* 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(pch, pf, ipl, func, arg)
|
|
pcmcia_chipset_handle_t pch;
|
|
struct pcmcia_function *pf;
|
|
int ipl;
|
|
int (*func) __P((void *));
|
|
void *arg;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
|
|
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",
|
|
sc->sc_dev.dv_xname));
|
|
return NULL;
|
|
}
|
|
/*
|
|
* XXX Noooooo! The interrupt flag must set properly!!
|
|
* dumb pcmcia driver!!
|
|
*/
|
|
}
|
|
|
|
return pccbb_intr_establish(sc, IST_LEVEL, 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(pch, ih)
|
|
pcmcia_chipset_handle_t pch;
|
|
void *ih;
|
|
{
|
|
struct pcic_handle *ph = (struct pcic_handle *)pch;
|
|
struct pccbb_softc *sc = (struct pccbb_softc *)ph->ph_parent;
|
|
|
|
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(ct, rb, addr, size, mask, align, flags, addrp, bshp)
|
|
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: adr %lx, size %lx, mask %lx, align %lx\n",
|
|
addr, size, mask, align));
|
|
|
|
if (align == 0) {
|
|
align = size;
|
|
}
|
|
|
|
if (rb->rb_bt == sc->sc_memt) {
|
|
if (align < 16) {
|
|
return 1;
|
|
}
|
|
} else if (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 %x is NOT used.\n",
|
|
rb->rb_bt));
|
|
return 1;
|
|
/* XXX: panic here? */
|
|
}
|
|
|
|
if (rbus_space_alloc(rb, addr, size, mask, align, flags, addrp, bshp)) {
|
|
printf("%s: <rbus> no bus space\n", sc->sc_dev.dv_xname);
|
|
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(ct, rb, bsh, size)
|
|
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 (bt == sc->sc_memt) {
|
|
} else if (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(sc, bst, addr, size, bsh, flags)
|
|
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 (sc->sc_memt == bst) {
|
|
head = &sc->sc_memwindow;
|
|
align = 0x1000;
|
|
DPRINTF(("using memory window, %x %x %x\n\n",
|
|
sc->sc_iot, sc->sc_memt, bst));
|
|
}
|
|
|
|
if (pccbb_winlist_insert(head, addr, size, bsh, flags)) {
|
|
printf("%s: pccbb_open_win: %s winlist insert failed\n",
|
|
sc->sc_dev.dv_xname,
|
|
(head == &sc->sc_memwindow) ? "mem" : "io");
|
|
}
|
|
pccbb_winset(align, sc, bst);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pccbb_close_win(sc, bst, bsh, size)
|
|
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 (sc->sc_memt == bst) {
|
|
head = &sc->sc_memwindow;
|
|
align = 0x1000;
|
|
}
|
|
|
|
if (pccbb_winlist_delete(head, bsh, size)) {
|
|
printf("%s: pccbb_close_win: %s winlist delete failed\n",
|
|
sc->sc_dev.dv_xname,
|
|
(head == &sc->sc_memwindow) ? "mem" : "io");
|
|
}
|
|
pccbb_winset(align, sc, bst);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
pccbb_winlist_insert(head, start, size, bsh, flags)
|
|
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;
|
|
|
|
for (chainp = TAILQ_FIRST(head); chainp != NULL;
|
|
chainp = TAILQ_NEXT(chainp, wc_list)) {
|
|
if (chainp->wc_end < start)
|
|
continue;
|
|
TAILQ_INSERT_AFTER(head, chainp, elem, wc_list);
|
|
return (0);
|
|
}
|
|
|
|
TAILQ_INSERT_TAIL(head, elem, wc_list);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
pccbb_winlist_delete(head, bsh, size)
|
|
struct pccbb_win_chain_head *head;
|
|
bus_space_handle_t bsh;
|
|
bus_size_t size;
|
|
{
|
|
struct pccbb_win_chain *chainp;
|
|
|
|
for (chainp = TAILQ_FIRST(head); chainp != NULL;
|
|
chainp = TAILQ_NEXT(chainp, wc_list)) {
|
|
if (chainp->wc_handle != bsh)
|
|
continue;
|
|
if ((chainp->wc_end - chainp->wc_start) != (size - 1)) {
|
|
printf("pccbb_winlist_delete: window 0x%lx size "
|
|
"inconsistent: 0x%lx, 0x%lx\n",
|
|
chainp->wc_start,
|
|
chainp->wc_end - chainp->wc_start,
|
|
size - 1);
|
|
return 1;
|
|
}
|
|
|
|
TAILQ_REMOVE(head, chainp, wc_list);
|
|
free(chainp, M_DEVBUF);
|
|
|
|
return 0;
|
|
}
|
|
|
|
return 1; /* fail: no candidate to remove */
|
|
}
|
|
|
|
static void
|
|
pccbb_winset(align, sc, bst)
|
|
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 {
|
|
cardbusreg_t win_start;
|
|
cardbusreg_t win_limit;
|
|
int win_flags;
|
|
} win[2];
|
|
struct pccbb_win_chain *chainp;
|
|
int offs;
|
|
|
|
win[0].win_start = 0xffffffff;
|
|
win[0].win_limit = 0;
|
|
win[1].win_start = 0xffffffff;
|
|
win[1].win_limit = 0;
|
|
|
|
chainp = TAILQ_FIRST(&sc->sc_iowindow);
|
|
offs = 0x2c;
|
|
if (sc->sc_memt == bst) {
|
|
chainp = TAILQ_FIRST(&sc->sc_memwindow);
|
|
offs = 0x1c;
|
|
}
|
|
|
|
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?
|
|
*/
|
|
printf("%s: overlapping windows\n",
|
|
sc->sc_dev.dv_xname);
|
|
} 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 [%x, %lx), win1 [%x, %lx)\n",
|
|
pci_conf_read(pc, tag, offs),
|
|
pci_conf_read(pc, tag, offs + 4) + align,
|
|
pci_conf_read(pc, tag, offs + 8),
|
|
pci_conf_read(pc, tag, offs + 12) + align));
|
|
|
|
if (bst == sc->sc_memt) {
|
|
if (win[0].win_flags & PCCBB_MEM_CACHABLE) {
|
|
pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR);
|
|
bcr |= CB_BCR_PREFETCH_MEMWIN0;
|
|
pci_conf_write(pc, tag, PCI_BCR_INTR, bcr);
|
|
}
|
|
if (win[1].win_flags & PCCBB_MEM_CACHABLE) {
|
|
pcireg_t bcr = pci_conf_read(pc, tag, PCI_BCR_INTR);
|
|
bcr |= CB_BCR_PREFETCH_MEMWIN1;
|
|
pci_conf_write(pc, tag, PCI_BCR_INTR, bcr);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* rbus */
|
|
|
|
static void
|
|
pccbb_powerhook(why, arg)
|
|
int why;
|
|
void *arg;
|
|
{
|
|
struct pccbb_softc *sc = arg;
|
|
u_int32_t reg;
|
|
bus_space_tag_t base_memt = sc->sc_base_memt; /* socket regs memory */
|
|
bus_space_handle_t base_memh = sc->sc_base_memh;
|
|
|
|
DPRINTF(("%s: power: why %d\n", sc->sc_dev.dv_xname, why));
|
|
|
|
if (why == PWR_SUSPEND || why == PWR_STANDBY) {
|
|
DPRINTF(("%s: power: why %d stopping intr\n", sc->sc_dev.dv_xname, why));
|
|
if (sc->sc_pil_intr_enable) {
|
|
(void)pccbbintr_function(sc);
|
|
}
|
|
sc->sc_pil_intr_enable = 0;
|
|
|
|
/* ToDo: deactivate or suspend child devices */
|
|
|
|
}
|
|
|
|
if (why == PWR_RESUME) {
|
|
/* 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_CD;
|
|
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 = 1;
|
|
DPRINTF(("%s: power: RESUME enabling intr\n", sc->sc_dev.dv_xname));
|
|
|
|
/* ToDo: activate or wakeup child devices */
|
|
}
|
|
}
|