2062 lines
60 KiB
C
2062 lines
60 KiB
C
/* $NetBSD: pciide.c,v 1.29 1998/12/16 13:21:26 bouyer Exp $ */
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/*
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* Copyright (c) 1996, 1998 Christopher G. Demetriou. 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 Christopher G. Demetriou
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* for the NetBSD Project.
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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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* PCI IDE controller driver.
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*
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* Author: Christopher G. Demetriou, March 2, 1998 (derived from NetBSD
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* sys/dev/pci/ppb.c, revision 1.16).
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*
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* See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and
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* "Programming Interface for Bus Master IDE Controller, Revision 1.0
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* 5/16/94" from the PCI SIG.
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*
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*/
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#define WDCDEBUG
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#define DEBUG_DMA 0x01
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#define DEBUG_XFERS 0x02
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#define DEBUG_FUNCS 0x08
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#define DEBUG_PROBE 0x10
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#ifdef WDCDEBUG
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int wdcdebug_pciide_mask = 0;
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#define WDCDEBUG_PRINT(args, level) \
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if (wdcdebug_pciide_mask & (level)) printf args
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#else
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#define WDCDEBUG_PRINT(args, level)
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <vm/vm.h>
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#include <vm/vm_param.h>
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#include <vm/vm_kern.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcidevs.h>
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#include <dev/pci/pciidereg.h>
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#include <dev/pci/pciidevar.h>
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#include <dev/pci/pciide_piix_reg.h>
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#include <dev/pci/pciide_apollo_reg.h>
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#include <dev/pci/pciide_cmd_reg.h>
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#include <dev/pci/pciide_cy693_reg.h>
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#include <dev/pci/pciide_sis_reg.h>
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#include <dev/ata/atavar.h>
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#include <dev/ic/wdcreg.h>
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#include <dev/ic/wdcvar.h>
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/* inlines for reading/writing 8-bit PCI registers */
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static __inline u_int8_t pciide_pci_read __P((pci_chipset_tag_t, pcitag_t,
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int));
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static __inline u_int8_t
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pciide_pci_read(pc, pa, reg)
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pci_chipset_tag_t pc;
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pcitag_t pa;
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int reg;
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{
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return (
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pci_conf_read(pc, pa, (reg & ~0x03)) >> ((reg & 0x03) * 8) & 0xff);
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}
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static __inline void pciide_pci_write __P((pci_chipset_tag_t, pcitag_t,
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int, u_int8_t));
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static __inline void
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pciide_pci_write(pc, pa, reg, val)
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pci_chipset_tag_t pc;
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pcitag_t pa;
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int reg;
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u_int8_t val;
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{
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pcireg_t pcival;
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pcival = pci_conf_read(pc, pa, (reg & ~0x03));
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pcival &= ~(0xff << ((reg & 0x03) * 8));
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pcival |= (val << ((reg & 0x03) * 8));
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pci_conf_write(pc, pa, (reg & ~0x03), pcival);
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}
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struct pciide_softc {
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struct wdc_softc sc_wdcdev; /* common wdc definitions */
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pci_chipset_tag_t sc_pc; /* PCI registers info */
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pcitag_t sc_tag;
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void *sc_pci_ih; /* PCI interrupt handle */
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int sc_dma_ok; /* bus-master DMA info */
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bus_space_tag_t sc_dma_iot;
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bus_space_handle_t sc_dma_ioh;
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bus_dma_tag_t sc_dmat;
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/* Chip description */
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const struct pciide_product_desc *sc_pp;
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/* common definitions */
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struct channel_softc *wdc_chanarray[PCIIDE_NUM_CHANNELS];
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/* internal bookkeeping */
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struct pciide_channel { /* per-channel data */
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struct channel_softc wdc_channel; /* generic part */
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char *name;
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int hw_ok; /* hardware mapped & OK? */
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int compat; /* is it compat? */
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void *ih; /* compat or pci handle */
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/* DMA tables and DMA map for xfer, for each drive */
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struct pciide_dma_maps {
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bus_dmamap_t dmamap_table;
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struct idedma_table *dma_table;
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bus_dmamap_t dmamap_xfer;
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} dma_maps[2];
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} pciide_channels[PCIIDE_NUM_CHANNELS];
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};
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void default_setup_cap __P((struct pciide_softc*));
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void default_setup_chip __P((struct pciide_softc*));
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void default_channel_map __P((struct pci_attach_args *,
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struct pciide_channel *));
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void piix_setup_cap __P((struct pciide_softc*));
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void piix_setup_chip __P((struct pciide_softc*));
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void piix_setup_channel __P((struct channel_softc*));
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void piix3_4_setup_chip __P((struct pciide_softc*));
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void piix3_4_setup_channel __P((struct channel_softc*));
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void piix_channel_map __P((struct pci_attach_args *, struct pciide_channel *));
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static u_int32_t piix_setup_idetim_timings __P((u_int8_t, u_int8_t, u_int8_t));
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static u_int32_t piix_setup_idetim_drvs __P((struct ata_drive_datas*));
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static u_int32_t piix_setup_sidetim_timings __P((u_int8_t, u_int8_t, u_int8_t));
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void apollo_setup_cap __P((struct pciide_softc*));
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void apollo_setup_chip __P((struct pciide_softc*));
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void apollo_setup_channel __P((struct channel_softc*));
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void apollo_channel_map __P((struct pci_attach_args *,
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struct pciide_channel *));
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void cmd0643_6_setup_cap __P((struct pciide_softc*));
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void cmd0643_6_setup_chip __P((struct pciide_softc*));
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void cmd0643_6_setup_channel __P((struct channel_softc*));
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void cmd_channel_map __P((struct pci_attach_args *, struct pciide_channel *));
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void cy693_setup_cap __P((struct pciide_softc*));
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void cy693_setup_chip __P((struct pciide_softc*));
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void cy693_setup_channel __P((struct channel_softc*));
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void cy693_channel_map __P((struct pci_attach_args *, struct pciide_channel *));
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void sis_setup_cap __P((struct pciide_softc*));
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void sis_setup_chip __P((struct pciide_softc*));
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void sis_setup_channel __P((struct channel_softc*));
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void sis_channel_map __P((struct pci_attach_args *, struct pciide_channel *));
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void pciide_channel_dma_setup __P((struct pciide_channel *));
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int pciide_dma_table_setup __P((struct pciide_softc*, int, int));
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int pciide_dma_init __P((void*, int, int, void *, size_t, int));
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void pciide_dma_start __P((void*, int, int, int));
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int pciide_dma_finish __P((void*, int, int, int));
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void pciide_print_modes __P((struct pciide_channel *));
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struct pciide_product_desc {
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u_int32_t ide_product;
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int ide_flags;
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int ide_num_channels;
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const char *ide_name;
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/* init controller's capabilities for drives probe */
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void (*setup_cap) __P((struct pciide_softc*));
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/* init controller after drives probe */
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void (*setup_chip) __P((struct pciide_softc*));
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/* map channel if possible/necessary */
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void (*channel_map) __P((struct pci_attach_args *,
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struct pciide_channel *));
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};
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/* Flags for ide_flags */
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#define CMD_PCI064x_IOEN 0x01 /* CMD-style PCI_COMMAND_IO_ENABLE */
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#define ONE_QUEUE 0x02 /* device need serialised access */
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/* Default product description for devices not known from this controller */
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const struct pciide_product_desc default_product_desc = {
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0,
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0,
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PCIIDE_NUM_CHANNELS,
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"Generic PCI IDE controller",
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default_setup_cap,
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default_setup_chip,
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default_channel_map
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};
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const struct pciide_product_desc pciide_intel_products[] = {
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{ PCI_PRODUCT_INTEL_82092AA,
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0,
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PCIIDE_NUM_CHANNELS,
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"Intel 82092AA IDE controller",
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default_setup_cap,
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default_setup_chip,
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default_channel_map
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},
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{ PCI_PRODUCT_INTEL_82371FB_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"Intel 82371FB IDE controller (PIIX)",
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piix_setup_cap,
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piix_setup_chip,
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piix_channel_map
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},
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{ PCI_PRODUCT_INTEL_82371SB_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"Intel 82371SB IDE Interface (PIIX3)",
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piix_setup_cap,
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piix3_4_setup_chip,
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piix_channel_map
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},
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{ PCI_PRODUCT_INTEL_82371AB_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"Intel 82371AB IDE controller (PIIX4)",
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piix_setup_cap,
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piix3_4_setup_chip,
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piix_channel_map
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},
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{ 0,
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0,
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0,
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NULL,
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}
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};
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const struct pciide_product_desc pciide_cmd_products[] = {
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{ PCI_PRODUCT_CMDTECH_640,
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ONE_QUEUE | CMD_PCI064x_IOEN,
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PCIIDE_NUM_CHANNELS,
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"CMD Technology PCI0640",
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default_setup_cap,
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default_setup_chip,
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cmd_channel_map
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},
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{ PCI_PRODUCT_CMDTECH_643,
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ONE_QUEUE | CMD_PCI064x_IOEN,
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PCIIDE_NUM_CHANNELS,
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"CMD Technology PCI0643",
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cmd0643_6_setup_cap,
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cmd0643_6_setup_chip,
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cmd_channel_map
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},
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{ PCI_PRODUCT_CMDTECH_646,
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ONE_QUEUE | CMD_PCI064x_IOEN,
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PCIIDE_NUM_CHANNELS,
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"CMD Technology PCI0646",
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cmd0643_6_setup_cap,
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cmd0643_6_setup_chip,
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cmd_channel_map
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},
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{ 0,
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0,
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0,
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NULL,
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}
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};
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const struct pciide_product_desc pciide_via_products[] = {
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{ PCI_PRODUCT_VIATECH_VT82C586_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"VIA Technologies VT82C586 (Apollo VP) IDE Controller",
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apollo_setup_cap,
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apollo_setup_chip,
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apollo_channel_map
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},
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{ PCI_PRODUCT_VIATECH_VT82C586A_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"VIA Technologies VT82C586A IDE Controller",
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apollo_setup_cap,
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apollo_setup_chip,
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apollo_channel_map
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},
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{ 0,
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0,
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0,
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NULL,
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}
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};
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const struct pciide_product_desc pciide_cypress_products[] = {
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{ PCI_PRODUCT_CONTAQ_82C693,
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0,
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1,
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"Contaq Microsystems CY82C693 IDE Controller",
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cy693_setup_cap,
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cy693_setup_chip,
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cy693_channel_map
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},
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{ 0,
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0,
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0,
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NULL,
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}
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};
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const struct pciide_product_desc pciide_sis_products[] = {
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{ PCI_PRODUCT_SIS_5597_IDE,
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0,
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PCIIDE_NUM_CHANNELS,
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"Silicon Integrated System 5597/5598 IDE controller",
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sis_setup_cap,
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sis_setup_chip,
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sis_channel_map
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},
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{ 0,
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0,
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0,
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NULL,
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}
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};
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struct pciide_vendor_desc {
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u_int32_t ide_vendor;
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const struct pciide_product_desc *ide_products;
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};
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const struct pciide_vendor_desc pciide_vendors[] = {
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{ PCI_VENDOR_INTEL, pciide_intel_products },
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{ PCI_VENDOR_CMDTECH, pciide_cmd_products },
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{ PCI_VENDOR_VIATECH, pciide_via_products },
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{ PCI_VENDOR_CONTAQ, pciide_cypress_products },
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{ PCI_VENDOR_SIS, pciide_sis_products },
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{ 0, NULL }
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};
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#define PCIIDE_CHANNEL_NAME(chan) ((chan) == 0 ? "primary" : "secondary")
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/* options passed via the 'flags' config keyword */
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#define PCIIDE_OPTIONS_DMA 0x01
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int pciide_match __P((struct device *, struct cfdata *, void *));
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void pciide_attach __P((struct device *, struct device *, void *));
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struct cfattach pciide_ca = {
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sizeof(struct pciide_softc), pciide_match, pciide_attach
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};
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int pciide_mapregs_compat __P(( struct pci_attach_args *,
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struct pciide_channel *, int, bus_size_t *, bus_size_t*));
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int pciide_mapregs_native __P((struct pci_attach_args *,
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struct pciide_channel *, bus_size_t *, bus_size_t *));
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void pciide_mapchan __P((struct pci_attach_args *,
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struct pciide_channel *, int, bus_size_t *, bus_size_t *));
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int pciiide_chan_candisable __P((struct pciide_channel *));
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void pciide_map_compat_intr __P(( struct pci_attach_args *,
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struct pciide_channel *, int, int));
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int pciide_print __P((void *, const char *pnp));
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int pciide_compat_intr __P((void *));
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int pciide_pci_intr __P((void *));
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const struct pciide_product_desc* pciide_lookup_product __P((u_int32_t));
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const struct pciide_product_desc*
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pciide_lookup_product(id)
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u_int32_t id;
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{
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const struct pciide_product_desc *pp;
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const struct pciide_vendor_desc *vp;
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for (vp = pciide_vendors; vp->ide_products != NULL; vp++)
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if (PCI_VENDOR(id) == vp->ide_vendor)
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break;
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if ((pp = vp->ide_products) == NULL)
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return NULL;
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for (; pp->ide_name != NULL; pp++)
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if (PCI_PRODUCT(id) == pp->ide_product)
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break;
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if (pp->ide_name == NULL)
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return NULL;
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return pp;
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}
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int
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pciide_match(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 = aux;
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/*
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* Check the ID register to see that it's a PCI IDE controller.
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* If it is, we assume that we can deal with it; it _should_
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* work in a standardized way...
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*/
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if (PCI_CLASS(pa->pa_class) == PCI_CLASS_MASS_STORAGE &&
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PCI_SUBCLASS(pa->pa_class) == PCI_SUBCLASS_MASS_STORAGE_IDE) {
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return (1);
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}
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return (0);
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}
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void
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pciide_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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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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pcitag_t tag = pa->pa_tag;
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struct pciide_softc *sc = (struct pciide_softc *)self;
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struct pciide_channel *cp;
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pcireg_t class, interface, csr;
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char devinfo[256];
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int i;
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sc->sc_pp = pciide_lookup_product(pa->pa_id);
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if (sc->sc_pp == NULL) {
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sc->sc_pp = &default_product_desc;
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pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
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printf(": %s (rev. 0x%02x)\n", devinfo,
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PCI_REVISION(pa->pa_class));
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} else {
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printf(": %s\n", sc->sc_pp->ide_name);
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}
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if ((pa->pa_flags & PCI_FLAGS_IO_ENABLED) == 0) {
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csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
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/*
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* For a CMD PCI064x, the use of PCI_COMMAND_IO_ENABLE
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* and base adresses registers can be disabled at
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* hardware level. In this case, the device is wired
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* in compat mode and its first channel is always enabled,
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* but we can't rely on PCI_COMMAND_IO_ENABLE.
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* In fact, it seems that the first channel of the CMD PCI0640
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* can't be disabled.
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*/
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#ifndef PCIIDE_CMD064x_DISABLE
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if ((sc->sc_pp->ide_flags & CMD_PCI064x_IOEN) == 0) {
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#else
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if (1) {
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#endif
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printf("%s: device disabled (at %s)\n",
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sc->sc_wdcdev.sc_dev.dv_xname,
|
|
(csr & PCI_COMMAND_IO_ENABLE) == 0 ?
|
|
"device" : "bridge");
|
|
return;
|
|
}
|
|
}
|
|
|
|
sc->sc_pc = pa->pa_pc;
|
|
sc->sc_tag = pa->pa_tag;
|
|
|
|
class = pci_conf_read(pc, tag, PCI_CLASS_REG);
|
|
interface = PCI_INTERFACE(class);
|
|
|
|
/*
|
|
* Map DMA registers, if DMA is supported.
|
|
*
|
|
* Note that sc_dma_ok is the right variable to test to see if
|
|
* DMA can be done. If the interface doesn't support DMA,
|
|
* sc_dma_ok will never be non-zero. If the DMA regs couldn't
|
|
* be mapped, it'll be zero. I.e., sc_dma_ok will only be
|
|
* non-zero if the interface supports DMA and the registers
|
|
* could be mapped.
|
|
*
|
|
* XXX Note that despite the fact that the Bus Master IDE specs
|
|
* XXX say that "The bus master IDE functoin uses 16 bytes of IO
|
|
* XXX space," some controllers (at least the United
|
|
* XXX Microelectronics UM8886BF) place it in memory space.
|
|
* XXX eventually, we should probably read the register and check
|
|
* XXX which type it is. Either that or 'quirk' certain devices.
|
|
*/
|
|
if (interface & PCIIDE_INTERFACE_BUS_MASTER_DMA) {
|
|
printf("%s: bus-master DMA support present",
|
|
sc->sc_wdcdev.sc_dev.dv_xname);
|
|
if (sc->sc_pp == &default_product_desc &&
|
|
(sc->sc_wdcdev.sc_dev.dv_cfdata->cf_flags &
|
|
PCIIDE_OPTIONS_DMA) == 0) {
|
|
printf(", but unused (no driver support)");
|
|
sc->sc_dma_ok = 0;
|
|
} else {
|
|
sc->sc_dma_ok = (pci_mapreg_map(pa,
|
|
PCIIDE_REG_BUS_MASTER_DMA, PCI_MAPREG_TYPE_IO, 0,
|
|
&sc->sc_dma_iot, &sc->sc_dma_ioh, NULL, NULL) == 0);
|
|
sc->sc_dmat = pa->pa_dmat;
|
|
if (sc->sc_dma_ok == 0) {
|
|
printf(", but unused (couldn't map registers)");
|
|
} else {
|
|
if (sc->sc_pp == &default_product_desc)
|
|
printf(", used without full driver "
|
|
"support");
|
|
sc->sc_wdcdev.dma_arg = sc;
|
|
sc->sc_wdcdev.dma_init = pciide_dma_init;
|
|
sc->sc_wdcdev.dma_start = pciide_dma_start;
|
|
sc->sc_wdcdev.dma_finish = pciide_dma_finish;
|
|
}
|
|
}
|
|
} else {
|
|
printf("%s: pciide0: hardware does not support DMA",
|
|
sc->sc_wdcdev.sc_dev.dv_xname);
|
|
}
|
|
printf("\n");
|
|
sc->sc_pp->setup_cap(sc);
|
|
sc->sc_wdcdev.channels = sc->wdc_chanarray;
|
|
sc->sc_wdcdev.nchannels = sc->sc_pp->ide_num_channels;;
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA16;
|
|
|
|
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
|
|
cp = &sc->pciide_channels[i];
|
|
sc->wdc_chanarray[i] = &cp->wdc_channel;
|
|
|
|
cp->name = PCIIDE_CHANNEL_NAME(i);
|
|
|
|
cp->wdc_channel.channel = i;
|
|
cp->wdc_channel.wdc = &sc->sc_wdcdev;
|
|
if (i > 0 && (sc->sc_pp->ide_flags & ONE_QUEUE)) {
|
|
cp->wdc_channel.ch_queue =
|
|
sc->pciide_channels[0].wdc_channel.ch_queue;
|
|
} else {
|
|
cp->wdc_channel.ch_queue =
|
|
malloc(sizeof(struct channel_queue), M_DEVBUF,
|
|
M_NOWAIT);
|
|
}
|
|
if (cp->wdc_channel.ch_queue == NULL) {
|
|
printf("%s %s channel: "
|
|
"can't allocate memory for command queue",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
continue;
|
|
}
|
|
printf("%s: %s channel %s to %s mode\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
|
|
(interface & PCIIDE_INTERFACE_SETTABLE(i)) ?
|
|
"configured" : "wired",
|
|
(interface & PCIIDE_INTERFACE_PCI(i)) ? "native-PCI" :
|
|
"compatibility");
|
|
|
|
/*
|
|
* sc->sc_pp->channel_map() will also call wdcattach.
|
|
* Eventually the channel will be disabled if there's no
|
|
* drive present. sc->hw_ok will be updated accordingly.
|
|
*/
|
|
sc->sc_pp->channel_map(pa, cp);
|
|
|
|
}
|
|
/* Now that all drives are know, setup DMA, etc ...*/
|
|
sc->sc_pp->setup_chip(sc);
|
|
if (sc->sc_dma_ok) {
|
|
csr = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
|
|
csr |= PCI_COMMAND_MASTER_ENABLE;
|
|
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, csr);
|
|
}
|
|
WDCDEBUG_PRINT(("pciide: command/status register=%x\n",
|
|
pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG)), DEBUG_PROBE);
|
|
}
|
|
|
|
int
|
|
pciide_mapregs_compat(pa, cp, compatchan, cmdsizep, ctlsizep)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
int compatchan;
|
|
bus_size_t *cmdsizep, *ctlsizep;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
int rv = 1;
|
|
|
|
cp->compat = 1;
|
|
*cmdsizep = PCIIDE_COMPAT_CMD_SIZE;
|
|
*ctlsizep = PCIIDE_COMPAT_CTL_SIZE;
|
|
|
|
wdc_cp->cmd_iot = pa->pa_iot;
|
|
if (bus_space_map(wdc_cp->cmd_iot, PCIIDE_COMPAT_CMD_BASE(compatchan),
|
|
PCIIDE_COMPAT_CMD_SIZE, 0, &wdc_cp->cmd_ioh) != 0) {
|
|
printf("%s: couldn't map %s channel cmd regs\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
rv = 0;
|
|
}
|
|
|
|
wdc_cp->ctl_iot = pa->pa_iot;
|
|
if (bus_space_map(wdc_cp->ctl_iot, PCIIDE_COMPAT_CTL_BASE(compatchan),
|
|
PCIIDE_COMPAT_CTL_SIZE, 0, &wdc_cp->ctl_ioh) != 0) {
|
|
printf("%s: couldn't map %s channel ctl regs\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh,
|
|
PCIIDE_COMPAT_CMD_SIZE);
|
|
rv = 0;
|
|
}
|
|
|
|
return (rv);
|
|
}
|
|
|
|
int
|
|
pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep)
|
|
struct pci_attach_args * pa;
|
|
struct pciide_channel *cp;
|
|
bus_size_t *cmdsizep, *ctlsizep;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
const char *intrstr;
|
|
pci_intr_handle_t intrhandle;
|
|
|
|
cp->compat = 0;
|
|
|
|
if (sc->sc_pci_ih == NULL) {
|
|
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
|
|
pa->pa_intrline, &intrhandle) != 0) {
|
|
printf("%s: couldn't map native-PCI interrupt\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname);
|
|
return 0;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
|
|
sc->sc_pci_ih = pci_intr_establish(pa->pa_pc,
|
|
intrhandle, IPL_BIO, pciide_pci_intr, sc);
|
|
if (sc->sc_pci_ih != NULL) {
|
|
printf("%s: using %s for native-PCI interrupt\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname,
|
|
intrstr ? intrstr : "unknown interrupt");
|
|
} else {
|
|
printf("%s: couldn't establish native-PCI interrupt",
|
|
sc->sc_wdcdev.sc_dev.dv_xname);
|
|
if (intrstr != NULL)
|
|
printf(" at %s", intrstr);
|
|
printf("\n");
|
|
return 0;
|
|
}
|
|
}
|
|
cp->ih = sc->sc_pci_ih;
|
|
if (pci_mapreg_map(pa, PCIIDE_REG_CMD_BASE(wdc_cp->channel),
|
|
PCI_MAPREG_TYPE_IO, 0,
|
|
&wdc_cp->cmd_iot, &wdc_cp->cmd_ioh, NULL, cmdsizep) != 0) {
|
|
printf("%s: couldn't map %s channel cmd regs\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
return 0;
|
|
}
|
|
|
|
if (pci_mapreg_map(pa, PCIIDE_REG_CTL_BASE(wdc_cp->channel),
|
|
PCI_MAPREG_TYPE_IO, 0,
|
|
&wdc_cp->ctl_iot, &wdc_cp->ctl_ioh, NULL, ctlsizep) != 0) {
|
|
printf("%s: couldn't map %s channel ctl regs\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, *cmdsizep);
|
|
return 0;
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
int
|
|
pciide_compat_intr(arg)
|
|
void *arg;
|
|
{
|
|
struct pciide_channel *cp = arg;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
/* should only be called for a compat channel */
|
|
if (cp->compat == 0)
|
|
panic("pciide compat intr called for non-compat chan %p\n", cp);
|
|
#endif
|
|
return (wdcintr(&cp->wdc_channel));
|
|
}
|
|
|
|
int
|
|
pciide_pci_intr(arg)
|
|
void *arg;
|
|
{
|
|
struct pciide_softc *sc = arg;
|
|
struct pciide_channel *cp;
|
|
struct channel_softc *wdc_cp;
|
|
int i, rv, crv;
|
|
|
|
rv = 0;
|
|
for (i = 0; i < sc->sc_wdcdev.nchannels; i++) {
|
|
cp = &sc->pciide_channels[i];
|
|
wdc_cp = &cp->wdc_channel;
|
|
|
|
/* If a compat channel skip. */
|
|
if (cp->compat)
|
|
continue;
|
|
/* if this channel not waiting for intr, skip */
|
|
if ((wdc_cp->ch_flags & WDCF_IRQ_WAIT) == 0)
|
|
continue;
|
|
|
|
crv = wdcintr(wdc_cp);
|
|
if (crv == 0)
|
|
; /* leave rv alone */
|
|
else if (crv == 1)
|
|
rv = 1; /* claim the intr */
|
|
else if (rv == 0) /* crv should be -1 in this case */
|
|
rv = crv; /* if we've done no better, take it */
|
|
}
|
|
return (rv);
|
|
}
|
|
|
|
void
|
|
pciide_channel_dma_setup(cp)
|
|
struct pciide_channel *cp;
|
|
{
|
|
int drive;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct ata_drive_datas *drvp;
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &cp->wdc_channel.ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
/* setup DMA if needed */
|
|
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
|
|
(drvp->drive_flags & DRIVE_UDMA) == 0) ||
|
|
sc->sc_dma_ok == 0) {
|
|
drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
|
|
continue;
|
|
}
|
|
if (pciide_dma_table_setup(sc, cp->wdc_channel.channel, drive)
|
|
!= 0) {
|
|
/* Abort DMA setup */
|
|
drvp->drive_flags &= ~(DRIVE_DMA | DRIVE_UDMA);
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
pciide_dma_table_setup(sc, channel, drive)
|
|
struct pciide_softc *sc;
|
|
int channel, drive;
|
|
{
|
|
bus_dma_segment_t seg;
|
|
int error, rseg;
|
|
const bus_size_t dma_table_size =
|
|
sizeof(struct idedma_table) * NIDEDMA_TABLES;
|
|
struct pciide_dma_maps *dma_maps =
|
|
&sc->pciide_channels[channel].dma_maps[drive];
|
|
|
|
/* If table was already allocated, just return */
|
|
if (dma_maps->dma_table)
|
|
return 0;
|
|
|
|
/* Allocate memory for the DMA tables and map it */
|
|
if ((error = bus_dmamem_alloc(sc->sc_dmat, dma_table_size,
|
|
IDEDMA_TBL_ALIGN, IDEDMA_TBL_ALIGN, &seg, 1, &rseg,
|
|
BUS_DMA_NOWAIT)) != 0) {
|
|
printf("%s:%d: unable to allocate table DMA for "
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
if ((error = bus_dmamem_map(sc->sc_dmat, &seg, rseg,
|
|
dma_table_size,
|
|
(caddr_t *)&dma_maps->dma_table,
|
|
BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) {
|
|
printf("%s:%d: unable to map table DMA for"
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
WDCDEBUG_PRINT(("pciide_dma_table_setup: table at %p len %ld, "
|
|
"phy 0x%lx\n", dma_maps->dma_table, dma_table_size,
|
|
seg.ds_addr), DEBUG_PROBE);
|
|
|
|
/* Create and load table DMA map for this disk */
|
|
if ((error = bus_dmamap_create(sc->sc_dmat, dma_table_size,
|
|
1, dma_table_size, IDEDMA_TBL_ALIGN, BUS_DMA_NOWAIT,
|
|
&dma_maps->dmamap_table)) != 0) {
|
|
printf("%s:%d: unable to create table DMA map for "
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
if ((error = bus_dmamap_load(sc->sc_dmat,
|
|
dma_maps->dmamap_table,
|
|
dma_maps->dma_table,
|
|
dma_table_size, NULL, BUS_DMA_NOWAIT)) != 0) {
|
|
printf("%s:%d: unable to load table DMA map for "
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
WDCDEBUG_PRINT(("pciide_dma_table_setup: phy addr of table 0x%lx\n",
|
|
dma_maps->dmamap_table->dm_segs[0].ds_addr), DEBUG_PROBE);
|
|
/* Create a xfer DMA map for this drive */
|
|
if ((error = bus_dmamap_create(sc->sc_dmat, IDEDMA_BYTE_COUNT_MAX,
|
|
NIDEDMA_TABLES, IDEDMA_BYTE_COUNT_MAX, IDEDMA_BYTE_COUNT_ALIGN,
|
|
BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
|
|
&dma_maps->dmamap_xfer)) != 0) {
|
|
printf("%s:%d: unable to create xfer DMA map for "
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
pciide_dma_init(v, channel, drive, databuf, datalen, flags)
|
|
void *v;
|
|
int channel, drive;
|
|
void *databuf;
|
|
size_t datalen;
|
|
int flags;
|
|
{
|
|
struct pciide_softc *sc = v;
|
|
int error, seg;
|
|
struct pciide_dma_maps *dma_maps =
|
|
&sc->pciide_channels[channel].dma_maps[drive];
|
|
|
|
error = bus_dmamap_load(sc->sc_dmat,
|
|
dma_maps->dmamap_xfer,
|
|
databuf, datalen, NULL, BUS_DMA_NOWAIT);
|
|
if (error) {
|
|
printf("%s:%d: unable to load xfer DMA map for"
|
|
"drive %d, error=%d\n", sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive, error);
|
|
return error;
|
|
}
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
|
|
dma_maps->dmamap_xfer->dm_mapsize,
|
|
(flags & WDC_DMA_READ) ?
|
|
BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
|
|
|
|
for (seg = 0; seg < dma_maps->dmamap_xfer->dm_nsegs; seg++) {
|
|
#ifdef DIAGNOSTIC
|
|
/* A segment must not cross a 64k boundary */
|
|
{
|
|
u_long phys = dma_maps->dmamap_xfer->dm_segs[seg].ds_addr;
|
|
u_long len = dma_maps->dmamap_xfer->dm_segs[seg].ds_len;
|
|
if ((phys & ~IDEDMA_BYTE_COUNT_MASK) !=
|
|
((phys + len - 1) & ~IDEDMA_BYTE_COUNT_MASK)) {
|
|
printf("pciide_dma: segment %d physical addr 0x%lx"
|
|
" len 0x%lx not properly aligned\n",
|
|
seg, phys, len);
|
|
panic("pciide_dma: buf align");
|
|
}
|
|
}
|
|
#endif
|
|
dma_maps->dma_table[seg].base_addr =
|
|
dma_maps->dmamap_xfer->dm_segs[seg].ds_addr;
|
|
dma_maps->dma_table[seg].byte_count =
|
|
dma_maps->dmamap_xfer->dm_segs[seg].ds_len &
|
|
IDEDMA_BYTE_COUNT_MASK;
|
|
WDCDEBUG_PRINT(("\t seg %d len %d addr 0x%x\n",
|
|
seg, dma_maps->dma_table[seg].byte_count,
|
|
dma_maps->dma_table[seg].base_addr), DEBUG_DMA);
|
|
|
|
}
|
|
dma_maps->dma_table[dma_maps->dmamap_xfer->dm_nsegs -1].byte_count |=
|
|
IDEDMA_BYTE_COUNT_EOT;
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_table, 0,
|
|
dma_maps->dmamap_table->dm_mapsize,
|
|
BUS_DMASYNC_PREWRITE);
|
|
|
|
/* Maps are ready. Start DMA function */
|
|
#ifdef DIAGNOSTIC
|
|
if (dma_maps->dmamap_table->dm_segs[0].ds_addr & ~IDEDMA_TBL_MASK) {
|
|
printf("pciide_dma_init: addr 0x%lx not properly aligned\n",
|
|
dma_maps->dmamap_table->dm_segs[0].ds_addr);
|
|
panic("pciide_dma_init: table align");
|
|
}
|
|
#endif
|
|
|
|
/* Clear status bits */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel,
|
|
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel));
|
|
/* Write table addr */
|
|
bus_space_write_4(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_TBL + IDEDMA_SCH_OFFSET * channel,
|
|
dma_maps->dmamap_table->dm_segs[0].ds_addr);
|
|
/* set read/write */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
|
|
(flags & WDC_DMA_READ) ? IDEDMA_CMD_WRITE: 0);
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
pciide_dma_start(v, channel, drive, flags)
|
|
void *v;
|
|
int channel, drive, flags;
|
|
{
|
|
struct pciide_softc *sc = v;
|
|
|
|
WDCDEBUG_PRINT(("pciide_dma_start\n"),DEBUG_XFERS);
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
|
|
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) | IDEDMA_CMD_START);
|
|
}
|
|
|
|
int
|
|
pciide_dma_finish(v, channel, drive, flags)
|
|
void *v;
|
|
int channel, drive;
|
|
int flags;
|
|
{
|
|
struct pciide_softc *sc = v;
|
|
u_int8_t status;
|
|
struct pciide_dma_maps *dma_maps =
|
|
&sc->pciide_channels[channel].dma_maps[drive];
|
|
|
|
/* Unload the map of the data buffer */
|
|
bus_dmamap_sync(sc->sc_dmat, dma_maps->dmamap_xfer, 0,
|
|
dma_maps->dmamap_xfer->dm_mapsize,
|
|
(flags & WDC_DMA_READ) ?
|
|
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(sc->sc_dmat, dma_maps->dmamap_xfer);
|
|
|
|
status = bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel);
|
|
WDCDEBUG_PRINT(("pciide_dma_finish: status 0x%x\n", status),
|
|
DEBUG_XFERS);
|
|
|
|
/* stop DMA channel */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel,
|
|
bus_space_read_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CMD + IDEDMA_SCH_OFFSET * channel) & ~IDEDMA_CMD_START);
|
|
|
|
/* Clear status bits */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + IDEDMA_SCH_OFFSET * channel,
|
|
status);
|
|
|
|
if ((status & IDEDMA_CTL_ERR) != 0) {
|
|
printf("%s:%d:%d: Bus-Master DMA error: status=0x%x\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, channel, drive, status);
|
|
return -1;
|
|
}
|
|
|
|
if ((flags & WDC_DMA_POLL) == 0 && (status & IDEDMA_CTL_INTR) == 0) {
|
|
printf("%s:%d:%d: Bus-Master DMA error: missing interrupt, "
|
|
"status=0x%x\n", sc->sc_wdcdev.sc_dev.dv_xname, channel,
|
|
drive, status);
|
|
return -1;
|
|
}
|
|
|
|
if ((status & IDEDMA_CTL_ACT) != 0) {
|
|
/* data underrun, may be a valid condition for ATAPI */
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* some common code used by several chip channel_map */
|
|
void
|
|
pciide_mapchan(pa, cp, interface, cmdsizep, ctlsizep)
|
|
struct pci_attach_args *pa;
|
|
int interface;
|
|
struct pciide_channel *cp;
|
|
bus_size_t *cmdsizep, *ctlsizep;
|
|
{
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
|
|
if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel))
|
|
cp->hw_ok = pciide_mapregs_native(pa, cp, cmdsizep, ctlsizep);
|
|
else
|
|
cp->hw_ok = pciide_mapregs_compat(pa, cp,
|
|
wdc_cp->channel, cmdsizep, ctlsizep);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
wdc_cp->data32iot = wdc_cp->cmd_iot;
|
|
wdc_cp->data32ioh = wdc_cp->cmd_ioh;
|
|
wdcattach(wdc_cp);
|
|
}
|
|
|
|
/*
|
|
* Generic code to call to know if a channel can be disabled. Return 1
|
|
* if channel can be disabled, 0 if not
|
|
*/
|
|
int
|
|
pciiide_chan_candisable(cp)
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
|
|
if ((wdc_cp->ch_drive[0].drive_flags & DRIVE) == 0 &&
|
|
(wdc_cp->ch_drive[1].drive_flags & DRIVE) == 0) {
|
|
printf("%s: disabling %s channel (no drives)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
cp->hw_ok = 0;
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* generic code to map the compat intr if hw_ok=1 and it is a compat channel.
|
|
* Set hw_ok=0 on failure
|
|
*/
|
|
void
|
|
pciide_map_compat_intr(pa, cp, compatchan, interface)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
int compatchan, interface;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
if ((interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel)) != 0)
|
|
return;
|
|
|
|
cp->ih = pciide_machdep_compat_intr_establish(&sc->sc_wdcdev.sc_dev,
|
|
pa, compatchan, pciide_compat_intr, cp);
|
|
if (cp->ih == NULL) {
|
|
printf("%s: no compatibility interrupt for use by %s "
|
|
"channel\n", sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
cp->hw_ok = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
pciide_print_modes(cp)
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
int drive;
|
|
struct channel_softc *chp;
|
|
struct ata_drive_datas *drvp;
|
|
|
|
chp = &cp->wdc_channel;
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
printf("%s(%s:%d:%d): using PIO mode %d",
|
|
drvp->drv_softc->dv_xname,
|
|
sc->sc_wdcdev.sc_dev.dv_xname,
|
|
chp->channel, drive, drvp->PIO_mode);
|
|
if (drvp->drive_flags & DRIVE_DMA)
|
|
printf(", DMA mode %d", drvp->DMA_mode);
|
|
if (drvp->drive_flags & DRIVE_UDMA)
|
|
printf(", Ultra-DMA mode %d", drvp->UDMA_mode);
|
|
if (drvp->drive_flags & (DRIVE_DMA | DRIVE_UDMA))
|
|
printf(" (using DMA data transfers)");
|
|
printf("\n");
|
|
}
|
|
}
|
|
|
|
void
|
|
default_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
if (sc->sc_dma_ok)
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DMA;
|
|
sc->sc_wdcdev.PIO_cap = 0;
|
|
sc->sc_wdcdev.DMA_cap = 0;
|
|
}
|
|
|
|
void
|
|
default_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
int channel, drive, idedma_ctl;
|
|
struct channel_softc *chp;
|
|
struct ata_drive_datas *drvp;
|
|
|
|
if (sc->sc_dma_ok == 0)
|
|
return; /* nothing to do */
|
|
|
|
/* Allocate DMA maps */
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
idedma_ctl = 0;
|
|
chp = &sc->pciide_channels[channel].wdc_channel;
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
if ((drvp->drive_flags & DRIVE_DMA) == 0)
|
|
continue;
|
|
if (pciide_dma_table_setup(sc, channel, drive) != 0) {
|
|
/* Abort DMA setup */
|
|
printf("%s:%d:%d: can't allocate DMA maps, "
|
|
"using PIO transfers\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive);
|
|
drvp->drive_flags &= ~DRIVE_DMA;
|
|
}
|
|
printf("%s:%d:%d: using DMA data tranferts\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname,
|
|
channel, drive);
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
}
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * channel),
|
|
idedma_ctl);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
default_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
pcireg_t csr;
|
|
const char *failreason = NULL;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
int interface =
|
|
PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
|
|
|
|
if (interface & PCIIDE_INTERFACE_PCI(wdc_cp->channel))
|
|
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize);
|
|
else
|
|
cp->hw_ok = pciide_mapregs_compat(pa, cp, wdc_cp->channel,
|
|
&cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
|
|
/*
|
|
* Check to see if something appears to be there.
|
|
*/
|
|
if (!wdcprobe(wdc_cp)) {
|
|
failreason = "not responding; disabled or no drives?";
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Now, make sure it's actually attributable to this PCI IDE
|
|
* channel by trying to access the channel again while the
|
|
* PCI IDE controller's I/O space is disabled. (If the
|
|
* channel no longer appears to be there, it belongs to
|
|
* this controller.) YUCK!
|
|
*/
|
|
csr = pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG,
|
|
csr & ~PCI_COMMAND_IO_ENABLE);
|
|
if (wdcprobe(wdc_cp))
|
|
failreason = "other hardware responding at addresses";
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PCI_COMMAND_STATUS_REG, csr);
|
|
|
|
out:
|
|
if (failreason) {
|
|
printf("%s: %s channel ignored (%s)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name,
|
|
failreason);
|
|
cp->hw_ok = 0;
|
|
bus_space_unmap(wdc_cp->cmd_iot, wdc_cp->cmd_ioh, cmdsize);
|
|
bus_space_unmap(wdc_cp->ctl_iot, wdc_cp->ctl_ioh, ctlsize);
|
|
}
|
|
pciide_map_compat_intr(pa, cp, wdc_cp->channel, interface);
|
|
if (cp->hw_ok) {
|
|
wdc_cp->data32iot = wdc_cp->cmd_iot;
|
|
wdc_cp->data32ioh = wdc_cp->cmd_ioh;
|
|
wdcattach(wdc_cp);
|
|
}
|
|
}
|
|
|
|
void
|
|
piix_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371AB_IDE)
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE |
|
|
WDC_CAPABILITY_DMA;
|
|
sc->sc_wdcdev.PIO_cap = 4;
|
|
sc->sc_wdcdev.DMA_cap = 2;
|
|
sc->sc_wdcdev.UDMA_cap = 2;
|
|
if (sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371SB_IDE ||
|
|
sc->sc_pp->ide_product == PCI_PRODUCT_INTEL_82371AB_IDE)
|
|
sc->sc_wdcdev.set_modes = piix3_4_setup_channel;
|
|
else
|
|
sc->sc_wdcdev.set_modes = piix_setup_channel;
|
|
}
|
|
|
|
void
|
|
piix_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
u_int8_t channel;
|
|
|
|
|
|
WDCDEBUG_PRINT(("piix_setup_chip: old idetim=0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), DEBUG_PROBE);
|
|
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
piix_setup_channel(&sc->pciide_channels[channel].wdc_channel);
|
|
}
|
|
WDCDEBUG_PRINT(("piix_setup_chip: idetim=0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM)), DEBUG_PROBE);
|
|
}
|
|
|
|
void
|
|
piix_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
u_int8_t mode[2], drive;
|
|
u_int32_t oidetim, idetim, idedma_ctl;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
struct ata_drive_datas *drvp = cp->wdc_channel.ch_drive;
|
|
|
|
oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
|
|
idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel);
|
|
idedma_ctl = 0;
|
|
|
|
/* set up new idetim: Enable IDE registers decode */
|
|
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE,
|
|
chp->channel);
|
|
|
|
/* setup DMA */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
/*
|
|
* Here we have to mess up with drives mode: PIIX can't have
|
|
* different timings for master and slave drives.
|
|
* We need to find the best combination.
|
|
*/
|
|
|
|
/* If both drives supports DMA, take the lower mode */
|
|
if ((drvp[0].drive_flags & DRIVE_DMA) &&
|
|
(drvp[1].drive_flags & DRIVE_DMA)) {
|
|
mode[0] = mode[1] =
|
|
min(drvp[0].DMA_mode, drvp[1].DMA_mode);
|
|
drvp[0].DMA_mode = mode[0];
|
|
goto ok;
|
|
}
|
|
/*
|
|
* If only one drive supports DMA, use its mode, and
|
|
* put the other one in PIO mode 0 if mode not compatible
|
|
*/
|
|
if (drvp[0].drive_flags & DRIVE_DMA) {
|
|
mode[0] = drvp[0].DMA_mode;
|
|
mode[1] = drvp[1].PIO_mode;
|
|
if (piix_isp_pio[mode[1]] != piix_isp_dma[mode[0]] ||
|
|
piix_rtc_pio[mode[1]] != piix_rtc_dma[mode[0]])
|
|
mode[1] = 0;
|
|
goto ok;
|
|
}
|
|
if (drvp[1].drive_flags & DRIVE_DMA) {
|
|
mode[1] = drvp[1].DMA_mode;
|
|
mode[0] = drvp[0].PIO_mode;
|
|
if (piix_isp_pio[mode[0]] != piix_isp_dma[mode[1]] ||
|
|
piix_rtc_pio[mode[0]] != piix_rtc_dma[mode[1]])
|
|
mode[0] = 0;
|
|
goto ok;
|
|
}
|
|
/*
|
|
* If both drives are not DMA, takes the lower mode, unless
|
|
* one of them is PIO mode < 2
|
|
*/
|
|
if (drvp[0].PIO_mode < 2) {
|
|
mode[0] = 0;
|
|
mode[1] = drvp[1].PIO_mode;
|
|
} else if (drvp[1].PIO_mode < 2) {
|
|
mode[1] = 0;
|
|
mode[0] = drvp[0].PIO_mode;
|
|
} else {
|
|
mode[0] = mode[1] =
|
|
min(drvp[1].PIO_mode, drvp[0].PIO_mode);
|
|
}
|
|
ok: /* The modes are setup */
|
|
for (drive = 0; drive < 2; drive++) {
|
|
if (drvp[drive].drive_flags & DRIVE_DMA) {
|
|
drvp[drive].DMA_mode = mode[drive];
|
|
idetim |= piix_setup_idetim_timings(
|
|
mode[drive], 1, chp->channel);
|
|
goto end;
|
|
} else
|
|
drvp[drive].PIO_mode = mode[drive];
|
|
}
|
|
/* If we are there, none of the drives are DMA */
|
|
if (mode[0] >= 2)
|
|
idetim |= piix_setup_idetim_timings(
|
|
mode[0], 0, chp->channel);
|
|
else
|
|
idetim |= piix_setup_idetim_timings(
|
|
mode[1], 0, chp->channel);
|
|
end: /*
|
|
* timing mode is now set up in the controller. Enable
|
|
* it per-drive
|
|
*/
|
|
for (drive = 0; drive < 2; drive++) {
|
|
/* If no drive, skip */
|
|
if ((drvp[drive].drive_flags & DRIVE) == 0)
|
|
continue;
|
|
idetim |= piix_setup_idetim_drvs(&drvp[drive]);
|
|
if (drvp[drive].drive_flags & DRIVE_DMA)
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
}
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
|
|
idedma_ctl);
|
|
}
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
|
|
pciide_print_modes(cp);
|
|
}
|
|
|
|
void
|
|
piix3_4_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
int channel;
|
|
|
|
WDCDEBUG_PRINT(("piix3_4_setup_chip: old idetim=0x%x, sidetim=0x%x",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), DEBUG_PROBE);
|
|
if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
|
|
WDCDEBUG_PRINT((", udamreg 0x%x",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
|
|
DEBUG_PROBE);
|
|
}
|
|
WDCDEBUG_PRINT(("\n"), DEBUG_PROBE);
|
|
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
piix3_4_setup_channel(
|
|
&sc->pciide_channels[channel].wdc_channel);
|
|
}
|
|
|
|
WDCDEBUG_PRINT(("piix3_4_setup_chip: idetim=0x%x, sidetim=0x%x",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM)), DEBUG_PROBE);
|
|
if (sc->sc_wdcdev.cap & WDC_CAPABILITY_UDMA) {
|
|
WDCDEBUG_PRINT((", udmareg=0x%x",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG)),
|
|
DEBUG_PROBE);
|
|
}
|
|
WDCDEBUG_PRINT(("\n"), DEBUG_PROBE);
|
|
}
|
|
|
|
void
|
|
piix3_4_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
struct ata_drive_datas *drvp;
|
|
u_int32_t oidetim, idetim, sidetim, udmareg, idedma_ctl;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
int drive;
|
|
|
|
oidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
|
|
sidetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM);
|
|
udmareg = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG);
|
|
idetim = PIIX_IDETIM_CLEAR(oidetim, 0xffff, chp->channel);
|
|
sidetim &= ~(PIIX_SIDETIM_ISP_MASK(chp->channel) |
|
|
PIIX_SIDETIM_RTC_MASK(chp->channel));
|
|
|
|
idedma_ctl = 0;
|
|
/* If channel disabled, no need to go further */
|
|
if ((PIIX_IDETIM_READ(oidetim, chp->channel) & PIIX_IDETIM_IDE) == 0)
|
|
return;
|
|
/* set up new idetim: Enable IDE registers decode */
|
|
idetim = PIIX_IDETIM_SET(idetim, PIIX_IDETIM_IDE, chp->channel);
|
|
|
|
/* setup DMA if needed */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
udmareg &= ~(PIIX_UDMACTL_DRV_EN(chp->channel, drive) |
|
|
PIIX_UDMATIM_SET(0x3, chp->channel, drive));
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
|
|
(drvp->drive_flags & DRIVE_UDMA) == 0))
|
|
goto pio;
|
|
|
|
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
|
|
(drvp->drive_flags & DRIVE_UDMA)) {
|
|
/* use Ultra/DMA */
|
|
drvp->drive_flags &= ~DRIVE_DMA;
|
|
udmareg |= PIIX_UDMACTL_DRV_EN(
|
|
chp->channel, drive);
|
|
udmareg |= PIIX_UDMATIM_SET(
|
|
piix4_sct_udma[drvp->UDMA_mode],
|
|
chp->channel, drive);
|
|
} else {
|
|
/* use Multiword DMA */
|
|
drvp->drive_flags &= ~DRIVE_UDMA;
|
|
if (drive == 0) {
|
|
idetim |= piix_setup_idetim_timings(
|
|
drvp->DMA_mode, 1, chp->channel);
|
|
} else {
|
|
sidetim |= piix_setup_sidetim_timings(
|
|
drvp->DMA_mode, 1, chp->channel);
|
|
idetim =PIIX_IDETIM_SET(idetim,
|
|
PIIX_IDETIM_SITRE, chp->channel);
|
|
}
|
|
}
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
|
|
pio: /* use PIO mode */
|
|
idetim |= piix_setup_idetim_drvs(drvp);
|
|
if (drive == 0) {
|
|
idetim |= piix_setup_idetim_timings(
|
|
drvp->PIO_mode, 0, chp->channel);
|
|
} else {
|
|
sidetim |= piix_setup_sidetim_timings(
|
|
drvp->PIO_mode, 0, chp->channel);
|
|
idetim =PIIX_IDETIM_SET(idetim,
|
|
PIIX_IDETIM_SITRE, chp->channel);
|
|
}
|
|
}
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
|
|
idedma_ctl);
|
|
}
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_SIDETIM, sidetim);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_UDMAREG, udmareg);
|
|
pciide_print_modes(cp);
|
|
}
|
|
|
|
|
|
/* setup ISP and RTC fields, based on mode */
|
|
static u_int32_t
|
|
piix_setup_idetim_timings(mode, dma, channel)
|
|
u_int8_t mode;
|
|
u_int8_t dma;
|
|
u_int8_t channel;
|
|
{
|
|
|
|
if (dma)
|
|
return PIIX_IDETIM_SET(0,
|
|
PIIX_IDETIM_ISP_SET(piix_isp_dma[mode]) |
|
|
PIIX_IDETIM_RTC_SET(piix_rtc_dma[mode]),
|
|
channel);
|
|
else
|
|
return PIIX_IDETIM_SET(0,
|
|
PIIX_IDETIM_ISP_SET(piix_isp_pio[mode]) |
|
|
PIIX_IDETIM_RTC_SET(piix_rtc_pio[mode]),
|
|
channel);
|
|
}
|
|
|
|
/* setup DTE, PPE, IE and TIME field based on PIO mode */
|
|
static u_int32_t
|
|
piix_setup_idetim_drvs(drvp)
|
|
struct ata_drive_datas *drvp;
|
|
{
|
|
u_int32_t ret = 0;
|
|
struct channel_softc *chp = drvp->chnl_softc;
|
|
u_int8_t channel = chp->channel;
|
|
u_int8_t drive = drvp->drive;
|
|
|
|
/*
|
|
* If drive is using UDMA, timings setups are independant
|
|
* So just check DMA and PIO here.
|
|
*/
|
|
if (drvp->drive_flags & DRIVE_DMA) {
|
|
/* if mode = DMA mode 0, use compatible timings */
|
|
if ((drvp->drive_flags & DRIVE_DMA) &&
|
|
drvp->DMA_mode == 0) {
|
|
drvp->PIO_mode = 0;
|
|
return ret;
|
|
}
|
|
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
|
|
/*
|
|
* PIO and DMA timings are the same, use fast timings for PIO
|
|
* too, else use compat timings.
|
|
*/
|
|
if ((piix_isp_pio[drvp->PIO_mode] !=
|
|
piix_isp_dma[drvp->DMA_mode]) ||
|
|
(piix_rtc_pio[drvp->PIO_mode] !=
|
|
piix_rtc_dma[drvp->DMA_mode]))
|
|
drvp->PIO_mode = 0;
|
|
/* if PIO mode <= 2, use compat timings for PIO */
|
|
if (drvp->PIO_mode <= 2) {
|
|
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_DTE(drive),
|
|
channel);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now setup PIO modes. If mode < 2, use compat timings.
|
|
* Else enable fast timings. Enable IORDY and prefetch/post
|
|
* if PIO mode >= 3.
|
|
*/
|
|
|
|
if (drvp->PIO_mode < 2)
|
|
return ret;
|
|
|
|
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_TIME(drive), channel);
|
|
if (drvp->PIO_mode >= 3) {
|
|
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_IE(drive), channel);
|
|
ret = PIIX_IDETIM_SET(ret, PIIX_IDETIM_PPE(drive), channel);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* setup values in SIDETIM registers, based on mode */
|
|
static u_int32_t
|
|
piix_setup_sidetim_timings(mode, dma, channel)
|
|
u_int8_t mode;
|
|
u_int8_t dma;
|
|
u_int8_t channel;
|
|
{
|
|
if (dma)
|
|
return PIIX_SIDETIM_ISP_SET(piix_isp_dma[mode], channel) |
|
|
PIIX_SIDETIM_RTC_SET(piix_rtc_dma[mode], channel);
|
|
else
|
|
return PIIX_SIDETIM_ISP_SET(piix_isp_pio[mode], channel) |
|
|
PIIX_SIDETIM_RTC_SET(piix_rtc_pio[mode], channel);
|
|
}
|
|
|
|
void
|
|
piix_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
u_int32_t idetim = pci_conf_read(sc->sc_pc, sc->sc_tag, PIIX_IDETIM);
|
|
|
|
if ((PIIX_IDETIM_READ(idetim, wdc_cp->channel) &
|
|
PIIX_IDETIM_IDE) == 0) {
|
|
printf("%s: %s channel ignored (disabled)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
return;
|
|
}
|
|
|
|
/* PIIX are compat-only pciide devices */
|
|
pciide_mapchan(pa, cp, 0, &cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
if (pciiide_chan_candisable(cp)) {
|
|
idetim = PIIX_IDETIM_CLEAR(idetim, PIIX_IDETIM_IDE,
|
|
wdc_cp->channel);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, PIIX_IDETIM, idetim);
|
|
}
|
|
pciide_map_compat_intr(pa, cp, wdc_cp->channel, 0);
|
|
}
|
|
|
|
void
|
|
apollo_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
if (sc->sc_pp->ide_product == PCI_PRODUCT_VIATECH_VT82C586A_IDE)
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_UDMA;
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE |
|
|
WDC_CAPABILITY_DMA;
|
|
sc->sc_wdcdev.PIO_cap = 4;
|
|
sc->sc_wdcdev.DMA_cap = 2;
|
|
sc->sc_wdcdev.UDMA_cap = 2;
|
|
sc->sc_wdcdev.set_modes = apollo_setup_channel;
|
|
|
|
}
|
|
|
|
void
|
|
apollo_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
int channel;
|
|
|
|
WDCDEBUG_PRINT(("apollo_setup_chip: old APO_IDECONF=0x%x, "
|
|
"APO_CTLMISC=0x%x, APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_CTLMISC),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)),
|
|
DEBUG_PROBE);
|
|
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
apollo_setup_channel(&sc->pciide_channels[channel].wdc_channel);
|
|
}
|
|
WDCDEBUG_PRINT(("apollo_setup_chip: APO_DATATIM=0x%x, APO_UDMA=0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA)), DEBUG_PROBE);
|
|
}
|
|
|
|
void
|
|
apollo_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
u_int32_t udmatim_reg, datatim_reg;
|
|
u_int8_t idedma_ctl;
|
|
int mode, drive;
|
|
struct ata_drive_datas *drvp;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
|
|
idedma_ctl = 0;
|
|
datatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_DATATIM);
|
|
udmatim_reg = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_UDMA);
|
|
datatim_reg &= ~APO_DATATIM_MASK(chp->channel);
|
|
udmatim_reg &= ~AP0_UDMA_MASK(chp->channel);
|
|
|
|
/* setup DMA if needed */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
/* add timing values, setup DMA if needed */
|
|
if (((drvp->drive_flags & DRIVE_DMA) == 0 &&
|
|
(drvp->drive_flags & DRIVE_UDMA) == 0)) {
|
|
mode = drvp->PIO_mode;
|
|
goto pio;
|
|
}
|
|
if ((chp->wdc->cap & WDC_CAPABILITY_UDMA) &&
|
|
(drvp->drive_flags & DRIVE_UDMA)) {
|
|
/* use Ultra/DMA */
|
|
drvp->drive_flags &= ~DRIVE_DMA;
|
|
udmatim_reg |= APO_UDMA_EN(chp->channel, drive) |
|
|
APO_UDMA_EN_MTH(chp->channel, drive) |
|
|
APO_UDMA_TIME(chp->channel, drive,
|
|
apollo_udma_tim[drvp->UDMA_mode]);
|
|
/* can use PIO timings, MW DMA unused */
|
|
mode = drvp->PIO_mode;
|
|
} else {
|
|
/* use Multiword DMA */
|
|
drvp->drive_flags &= ~DRIVE_UDMA;
|
|
/* mode = min(pio, dma+2) */
|
|
if (drvp->PIO_mode <= (drvp->DMA_mode +2))
|
|
mode = drvp->PIO_mode;
|
|
else
|
|
mode = drvp->DMA_mode;
|
|
}
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
|
|
pio: /* setup PIO mode */
|
|
datatim_reg |=
|
|
APO_DATATIM_PULSE(chp->channel, drive,
|
|
apollo_pio_set[mode]) |
|
|
APO_DATATIM_RECOV(chp->channel, drive,
|
|
apollo_pio_rec[mode]);
|
|
drvp->PIO_mode = mode;
|
|
drvp->DMA_mode = mode - 2;
|
|
}
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
|
|
idedma_ctl);
|
|
}
|
|
pciide_print_modes(cp);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_DATATIM, datatim_reg);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_UDMA, udmatim_reg);
|
|
}
|
|
|
|
void
|
|
apollo_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
u_int32_t ideconf = pci_conf_read(sc->sc_pc, sc->sc_tag, APO_IDECONF);
|
|
int interface =
|
|
PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
|
|
|
|
if ((ideconf & APO_IDECONF_EN(wdc_cp->channel)) == 0) {
|
|
printf("%s: %s channel ignored (disabled)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
return;
|
|
}
|
|
|
|
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
if (pciiide_chan_candisable(cp)) {
|
|
ideconf &= ~APO_IDECONF_EN(wdc_cp->channel);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, APO_IDECONF, ideconf);
|
|
}
|
|
pciide_map_compat_intr(pa, cp, wdc_cp->channel, interface);
|
|
}
|
|
|
|
void
|
|
cmd_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
u_int8_t ctrl = pciide_pci_read(sc->sc_pc, sc->sc_tag, CMD_CTRL);
|
|
int interface =
|
|
PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
|
|
|
|
/*
|
|
* with a CMD PCI64x, if we get here, the first channel is enabled:
|
|
* there's no way to disable the first channel without disabling
|
|
* the whole device
|
|
*/
|
|
if (wdc_cp->channel != 0 && (ctrl & CMD_CTRL_2PORT) == 0) {
|
|
printf("%s: %s channel ignored (disabled)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
return;
|
|
}
|
|
|
|
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
if (wdc_cp->channel == 1) {
|
|
if (pciiide_chan_candisable(cp)) {
|
|
ctrl &= ~CMD_CTRL_2PORT;
|
|
pciide_pci_write(pa->pa_pc, pa->pa_tag,
|
|
CMD_CTRL, ctrl);
|
|
}
|
|
}
|
|
pciide_map_compat_intr(pa, cp, wdc_cp->channel, interface);
|
|
}
|
|
|
|
void
|
|
cmd0643_6_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE |
|
|
WDC_CAPABILITY_DMA;
|
|
sc->sc_wdcdev.PIO_cap = 4;
|
|
sc->sc_wdcdev.DMA_cap = 2;
|
|
sc->sc_wdcdev.set_modes = cmd0643_6_setup_channel;
|
|
}
|
|
|
|
void
|
|
cmd0643_6_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
int channel;
|
|
|
|
WDCDEBUG_PRINT(("cmd0643_6_setup_chip: old timings reg 0x%x 0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
|
|
DEBUG_PROBE);
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
cmd0643_6_setup_channel(
|
|
&sc->pciide_channels[channel].wdc_channel);
|
|
}
|
|
/* configure for DMA read multiple */
|
|
pciide_pci_write(sc->sc_pc, sc->sc_tag, CMD_DMA_MODE, CMD_DMA_MULTIPLE);
|
|
WDCDEBUG_PRINT(("cmd0643_6_setup_chip: timings reg now 0x%x 0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x54),
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, 0x58)),
|
|
DEBUG_PROBE);
|
|
}
|
|
|
|
void
|
|
cmd0643_6_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
struct ata_drive_datas *drvp;
|
|
u_int8_t tim;
|
|
u_int32_t idedma_ctl;
|
|
int drive;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
|
|
idedma_ctl = 0;
|
|
/* setup DMA if needed */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
/* add timing values, setup DMA if needed */
|
|
tim = cmd0643_6_data_tim_pio[drvp->PIO_mode];
|
|
if (drvp->drive_flags & DRIVE_DMA) {
|
|
/*
|
|
* use Multiword DMA.
|
|
* Timings will be used for both PIO and DMA, so adjust
|
|
* DMA mode if needed
|
|
*/
|
|
if (drvp->PIO_mode >= 3 &&
|
|
(drvp->DMA_mode + 2) > drvp->PIO_mode) {
|
|
drvp->DMA_mode = drvp->PIO_mode - 2;
|
|
}
|
|
tim = cmd0643_6_data_tim_dma[drvp->DMA_mode];
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
}
|
|
pciide_pci_write(sc->sc_pc, sc->sc_tag,
|
|
CMD_DATA_TIM(chp->channel, drive), tim);
|
|
}
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL + (IDEDMA_SCH_OFFSET * chp->channel),
|
|
idedma_ctl);
|
|
}
|
|
pciide_print_modes(cp);
|
|
}
|
|
|
|
void
|
|
cy693_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE |
|
|
WDC_CAPABILITY_DMA;
|
|
sc->sc_wdcdev.PIO_cap = 4;
|
|
sc->sc_wdcdev.DMA_cap = 2;
|
|
sc->sc_wdcdev.set_modes = cy693_setup_channel;
|
|
}
|
|
|
|
void
|
|
cy693_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
WDCDEBUG_PRINT(("cy693_setup_chip: old timings reg 0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)),
|
|
DEBUG_PROBE);
|
|
cy693_setup_channel(&sc->pciide_channels[0].wdc_channel);
|
|
WDCDEBUG_PRINT(("cy693_setup_chip: new timings reg 0x%x\n",
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL)), DEBUG_PROBE);
|
|
}
|
|
|
|
void
|
|
cy693_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
struct ata_drive_datas *drvp;
|
|
int drive;
|
|
u_int32_t cy_cmd_ctrl;
|
|
u_int32_t idedma_ctl;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
|
|
cy_cmd_ctrl = idedma_ctl = 0;
|
|
|
|
/* setup DMA if needed */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
/* add timing values, setup DMA if needed */
|
|
if (drvp->drive_flags & DRIVE_DMA) {
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
/*
|
|
* use Multiword DMA
|
|
* Timings will be used for both PIO and DMA, so adjust
|
|
* DMA mode if needed
|
|
*/
|
|
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
|
|
drvp->PIO_mode = drvp->DMA_mode + 2;
|
|
if (drvp->DMA_mode == 0)
|
|
drvp->PIO_mode = 0;
|
|
}
|
|
cy_cmd_ctrl |= (cy_pio_pulse[drvp->PIO_mode] <<
|
|
CY_CMD_CTRL_IOW_PULSE_OFF(drive));
|
|
cy_cmd_ctrl |= (cy_pio_rec[drvp->PIO_mode] <<
|
|
CY_CMD_CTRL_IOW_REC_OFF(drive));
|
|
}
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, CY_CMD_CTRL, cy_cmd_ctrl);
|
|
pciide_print_modes(cp);
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL, idedma_ctl);
|
|
}
|
|
}
|
|
|
|
void
|
|
cy693_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
int interface =
|
|
PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
|
|
int compatchan;
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if (wdc_cp->channel != 0)
|
|
panic("cy693_channel_map: channel %d", wdc_cp->channel);
|
|
#endif
|
|
|
|
/*
|
|
* this chip has 2 PCI IDE functions, one for primary and one for
|
|
* secondary. So we need to call pciide_mapregs_compat() with
|
|
* the real channel
|
|
*/
|
|
if (pa->pa_function == 1) {
|
|
compatchan = 0;
|
|
} else if (pa->pa_function == 2) {
|
|
compatchan = 1;
|
|
} else {
|
|
printf("%s: unexpected PCI function %d\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, pa->pa_function);
|
|
cp->hw_ok = 0;
|
|
return;
|
|
}
|
|
|
|
/* Only one channel for this chip; if we are here it's enabled */
|
|
if (interface & PCIIDE_INTERFACE_PCI(0))
|
|
cp->hw_ok = pciide_mapregs_native(pa, cp, &cmdsize, &ctlsize);
|
|
else
|
|
cp->hw_ok = pciide_mapregs_compat(pa, cp, compatchan,
|
|
&cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
wdc_cp->data32iot = wdc_cp->cmd_iot;
|
|
wdc_cp->data32ioh = wdc_cp->cmd_ioh;
|
|
wdcattach(wdc_cp);
|
|
if (pciiide_chan_candisable(cp)) {
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag,
|
|
PCI_COMMAND_STATUS_REG, 0);
|
|
}
|
|
pciide_map_compat_intr(pa, cp, compatchan, interface);
|
|
}
|
|
|
|
void
|
|
sis_setup_cap(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
sc->sc_wdcdev.cap |= WDC_CAPABILITY_DATA32 | WDC_CAPABILITY_MODE |
|
|
WDC_CAPABILITY_DMA | WDC_CAPABILITY_UDMA;
|
|
sc->sc_wdcdev.PIO_cap = 4;
|
|
sc->sc_wdcdev.DMA_cap = 2;
|
|
sc->sc_wdcdev.UDMA_cap = 2;
|
|
sc->sc_wdcdev.set_modes = sis_setup_channel;
|
|
}
|
|
|
|
void
|
|
sis_setup_chip(sc)
|
|
struct pciide_softc *sc;
|
|
{
|
|
int channel;
|
|
|
|
for (channel = 0; channel < sc->sc_wdcdev.nchannels; channel++) {
|
|
sis_setup_channel(&sc->pciide_channels[channel].wdc_channel);
|
|
}
|
|
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_MISC,
|
|
pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_MISC) |
|
|
SIS_MISC_TIM_SEL | SIS_MISC_FIFO_SIZE);
|
|
}
|
|
|
|
void
|
|
sis_setup_channel(chp)
|
|
struct channel_softc *chp;
|
|
{
|
|
struct ata_drive_datas *drvp;
|
|
int drive;
|
|
u_int32_t sis_tim;
|
|
u_int32_t idedma_ctl;
|
|
struct pciide_channel *cp = (struct pciide_channel*)chp;
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
|
|
WDCDEBUG_PRINT(("sis_setup_chip: old timings reg for "
|
|
"channel %d 0x%x\n", chp->channel,
|
|
pci_conf_read(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel))),
|
|
DEBUG_PROBE);
|
|
sis_tim = 0;
|
|
idedma_ctl = 0;
|
|
/* setup DMA if needed */
|
|
pciide_channel_dma_setup(cp);
|
|
|
|
for (drive = 0; drive < 2; drive++) {
|
|
drvp = &chp->ch_drive[drive];
|
|
/* If no drive, skip */
|
|
if ((drvp->drive_flags & DRIVE) == 0)
|
|
continue;
|
|
/* add timing values, setup DMA if needed */
|
|
if ((drvp->drive_flags & DRIVE_DMA) == 0 &&
|
|
(drvp->drive_flags & DRIVE_UDMA) == 0)
|
|
goto pio;
|
|
|
|
if (drvp->drive_flags & DRIVE_UDMA) {
|
|
/* use Ultra/DMA */
|
|
drvp->drive_flags &= ~DRIVE_DMA;
|
|
sis_tim |= sis_udma_tim[drvp->UDMA_mode] <<
|
|
SIS_TIM_UDMA_TIME_OFF(drive);
|
|
sis_tim |= SIS_TIM_UDMA_EN(drive);
|
|
} else {
|
|
/*
|
|
* use Multiword DMA
|
|
* Timings will be used for both PIO and DMA,
|
|
* so adjust DMA mode if needed
|
|
*/
|
|
if (drvp->PIO_mode > (drvp->DMA_mode + 2))
|
|
drvp->PIO_mode = drvp->DMA_mode + 2;
|
|
if (drvp->DMA_mode == 0)
|
|
drvp->PIO_mode = 0;
|
|
}
|
|
idedma_ctl |= IDEDMA_CTL_DRV_DMA(drive);
|
|
pio: sis_tim |= sis_pio_act[drvp->PIO_mode] <<
|
|
SIS_TIM_ACT_OFF(drive);
|
|
sis_tim |= sis_pio_rec[drvp->PIO_mode] <<
|
|
SIS_TIM_REC_OFF(drive);
|
|
}
|
|
WDCDEBUG_PRINT(("sis_setup_chip: new timings reg for "
|
|
"channel %d 0x%x\n", chp->channel, sis_tim), DEBUG_PROBE);
|
|
pci_conf_write(sc->sc_pc, sc->sc_tag, SIS_TIM(chp->channel), sis_tim);
|
|
if (idedma_ctl != 0) {
|
|
/* Add software bits in status register */
|
|
bus_space_write_1(sc->sc_dma_iot, sc->sc_dma_ioh,
|
|
IDEDMA_CTL, idedma_ctl);
|
|
}
|
|
pciide_print_modes(cp);
|
|
}
|
|
|
|
void
|
|
sis_channel_map(pa, cp)
|
|
struct pci_attach_args *pa;
|
|
struct pciide_channel *cp;
|
|
{
|
|
struct pciide_softc *sc = (struct pciide_softc *)cp->wdc_channel.wdc;
|
|
bus_size_t cmdsize, ctlsize;
|
|
struct channel_softc *wdc_cp = &cp->wdc_channel;
|
|
u_int8_t sis_ctr0 = pciide_pci_read(sc->sc_pc, sc->sc_tag, SIS_CTRL0);
|
|
int interface =
|
|
PCI_INTERFACE(pci_conf_read(sc->sc_pc, sc->sc_tag, PCI_CLASS_REG));
|
|
|
|
if ((wdc_cp->channel == 0 && (sis_ctr0 & SIS_CTRL0_CHAN0_EN) == 0) ||
|
|
(wdc_cp->channel == 1 && (sis_ctr0 & SIS_CTRL0_CHAN1_EN) == 0)) {
|
|
printf("%s: %s channel ignored (disabled)\n",
|
|
sc->sc_wdcdev.sc_dev.dv_xname, cp->name);
|
|
return;
|
|
}
|
|
|
|
pciide_mapchan(pa, cp, interface, &cmdsize, &ctlsize);
|
|
if (cp->hw_ok == 0)
|
|
return;
|
|
if (pciiide_chan_candisable(cp)) {
|
|
if (wdc_cp->channel == 0)
|
|
sis_ctr0 &= ~SIS_CTRL0_CHAN0_EN;
|
|
else
|
|
sis_ctr0 &= ~SIS_CTRL0_CHAN1_EN;
|
|
pciide_pci_write(sc->sc_pc, sc->sc_tag, SIS_CTRL0, sis_ctr0);
|
|
}
|
|
pciide_map_compat_intr(pa, cp, wdc_cp->channel, interface);
|
|
}
|