3082a6dc59
to fall back to slower speeds if the faster ones fails to probe. Log and retry request on UDMA CRC errors. Fix a couple of warnings.
611 lines
20 KiB
C
611 lines
20 KiB
C
/*-
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* Copyright (c) 1998,1999 Søren Schmidt
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* 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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* without modification, immediately at the beginning of the file.
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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. 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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* $FreeBSD$
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*/
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#include "pci.h"
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#include "apm.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#if NPCI > 0
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#include <pci/pcivar.h>
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#endif
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#if NAPM > 0
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#include <machine/apm_bios.h>
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#endif
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#include <dev/ata/ata-all.h>
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/* prototypes */
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static void hpt366_timing(struct ata_softc *, int32_t, int32_t);
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/* misc defines */
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#define MIN(a,b) ((a)>(b)?(b):(a))
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#ifdef __alpha__
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#undef vtophys
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#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
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#endif
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#if NPCI > 0
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int32_t
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ata_dmainit(struct ata_softc *scp, int32_t device,
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int32_t apiomode, int32_t wdmamode, int32_t udmamode)
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{
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int32_t type, devno, error;
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void *dmatab;
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if (!scp->bmaddr)
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return -1;
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#ifdef ATA_DMADEBUG
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printf("ata%d: dmainit: ioaddr=0x%x altioaddr=0x%x, bmaddr=0x%x\n",
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scp->lun, scp->ioaddr, scp->altioaddr, scp->bmaddr);
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#endif
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/* if simplex controller, only allow DMA on primary channel */
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if (scp->unit == 1) {
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outb(scp->bmaddr + ATA_BMSTAT_PORT, inb(scp->bmaddr + ATA_BMSTAT_PORT) &
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(ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE));
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if (inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX) {
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printf("ata%d: simplex device, DMA on primary channel only\n",
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scp->lun);
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return -1;
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}
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}
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if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT)))
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return -1;
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if (((uintptr_t)dmatab >> PAGE_SHIFT) ^
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(((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) {
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printf("ata_dmainit: dmatab crosses page boundary, no DMA\n");
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free(dmatab, M_DEVBUF);
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return -1;
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}
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scp->dmatab[(device == ATA_MASTER) ? 0 : 1] = dmatab;
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switch (type = pci_get_devid(scp->dev)) {
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case 0x71118086: /* Intel PIIX4 */
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if (udmamode >= 2) {
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int32_t mask48, new48;
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA2 mode on PIIX4 chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
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mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
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new48 = (1 << devno) + (2 << (16 + (devno << 2)));
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pci_write_config(scp->dev, 0x48,
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(pci_read_config(scp->dev, 0x48, 4) &
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~mask48) | new48, 4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
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return 0;
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}
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}
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/* FALLTHROUGH */
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case 0x70108086: /* Intel PIIX3 */
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if (wdmamode >= 2 && apiomode >= 4) {
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int32_t mask40, new40, mask44, new44;
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/* if SITRE not set doit for both channels */
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if (!((pci_read_config(scp->dev, 0x40, 4)>>(scp->unit<<8))&0x4000)){
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new40 = pci_read_config(scp->dev, 0x40, 4);
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new44 = pci_read_config(scp->dev, 0x44, 4);
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if (!(new40 & 0x00004000)) {
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new44 &= ~0x0000000f;
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new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8);
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}
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if (!(new40 & 0x40000000)) {
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new44 &= ~0x000000f0;
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new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20);
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}
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new40 |= 0x40004000;
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pci_write_config(scp->dev, 0x40, new40, 4);
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pci_write_config(scp->dev, 0x44, new44, 4);
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}
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up WDMA2 mode on PIIX4 chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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if (device == ATA_MASTER) {
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mask40 = 0x0000330f;
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new40 = 0x00002307;
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mask44 = 0;
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new44 = 0;
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}
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else {
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mask40 = 0x000000f0;
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new40 = 0x00000070;
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mask44 = 0x0000000f;
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new44 = 0x0000000b;
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}
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if (scp->unit) {
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mask40 <<= 16;
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new40 <<= 16;
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mask44 <<= 4;
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new44 <<= 4;
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}
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pci_write_config(scp->dev, 0x40,
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(pci_read_config(scp->dev, 0x40, 4) & ~mask40)|
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new40, 4);
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pci_write_config(scp->dev, 0x44,
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(pci_read_config(scp->dev, 0x44, 4) & ~mask44)|
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new44, 4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
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return 0;
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}
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}
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/* we could set PIO mode timings, but we assume the BIOS did that */
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break;
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case 0x12308086: /* Intel PIIX */
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/* probably not worth the trouble */
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break;
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case 0x522910b9: /* AcerLabs Aladdin IV/V */
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/* the Aladdin doesn't support ATAPI DMA on both master & slave */
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if (scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) {
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printf("ata%d: Aladdin: two atapi devices on this channel, "
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"DMA disabled\n", scp->lun);
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break;
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}
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if (udmamode >= 2) {
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int32_t word54 = pci_read_config(scp->dev, 0x54, 4);
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA2 mode on Aladdin chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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word54 |= 0x5555;
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word54 |= (0x0a << (16 + (scp->unit << 3) + (device << 2)));
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pci_write_config(scp->dev, 0x54, word54, 4);
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pci_write_config(scp->dev, 0x53,
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pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
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scp->flags |= ATA_ATAPI_DMA_RO;
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
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return 0;
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}
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}
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if (wdmamode >= 2 && apiomode >= 4) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up WDMA2 mode on Aladdin chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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pci_write_config(scp->dev, 0x53,
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pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
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scp->flags |= ATA_ATAPI_DMA_RO;
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
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return 0;
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}
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}
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/* we could set PIO mode timings, but we assume the BIOS did that */
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break;
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case 0x05711106: /* VIA Apollo 82c586 / 82c686 */
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devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
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if (udmamode >= 2 && pci_read_config(scp->dev, 0x0d, 1) >= 0x20) {
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int8_t byte = pci_read_config(scp->dev, 0x53 - devno, 1);
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/* enable UDMA transfer modes setting by SETFEATURES cmd */
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pci_write_config(scp->dev, 0x53 - devno, (byte & 0x1c) | 0x40, 1);
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if (udmamode >= 4) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA4 mode on VIA chip\n",
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scp->lun, (device == ATA_MASTER) ? "master":"slave",
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(error) ? "failed" : "success");
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if (!error) {
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4;
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return 0;
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}
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}
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA2 mode on VIA chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
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return 0;
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}
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pci_write_config(scp->dev, 0x53 - devno, byte, 1);
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}
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if (wdmamode >= 2 && apiomode >= 4) {
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int8_t byte;
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/* set prefetch, postwrite */
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byte = pci_read_config(scp->dev, 0x41, 1);
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pci_write_config(scp->dev, 0x41, byte | 0xf0, 1);
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/* set fifo configuration half'n'half */
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byte = pci_read_config(scp->dev, 0x43, 1);
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pci_write_config(scp->dev, 0x43, (byte & 0x90) | 0x2a, 1);
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/* set status register read retry */
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byte = pci_read_config(scp->dev, 0x44, 1);
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pci_write_config(scp->dev, 0x44, byte | 0x08, 1);
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/* set DMA read & end-of-sector fifo flush */
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byte = pci_read_config(scp->dev, 0x46, 1);
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pci_write_config(scp->dev, 0x46, (byte & 0x0c) | 0xf0, 1);
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/* set WDMA2 mode timing */
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pci_write_config(scp->dev, 0x4b - devno, 0x31 , 1);
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/* set sector size */
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pci_write_config(scp->dev, scp->unit ? 0x68 : 0x60, DEV_BSIZE, 2);
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up WDMA2 mode on VIA chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
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return 0;
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}
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}
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/* we could set PIO mode timings, but we assume the BIOS did that */
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break;
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case 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */
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case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */
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/* the Promise can only do DMA on ATA disks not on ATAPI devices */
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if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
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(device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
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break;
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devno = (scp->unit << 1) + ((device == ATA_MASTER) ? 0 : 1);
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if (udmamode >=4 && type == 0x4d38105a &&
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!(pci_read_config(scp->dev, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA4 mode on Promise chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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outb(scp->bmaddr+0x11, inl(scp->bmaddr+0x11) | scp->unit ? 8:2);
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pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4;
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return 0;
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}
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}
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if (udmamode >= 2) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA2 mode on Promise chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004127f3, 4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
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return 0;
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}
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}
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if (wdmamode >= 2 && apiomode >= 4) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up WDMA2 mode on Promise chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004367f3, 4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
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return 0;
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}
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}
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if (bootverbose)
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printf("ata%d: %s: setting PIO mode on Promise chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave");
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pci_write_config(scp->dev, 0x60 + (devno << 2), 0x004fe924, 4);
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break;
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case 0x00041103: /* HighPoint HPT366 IDE controller */
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/* no ATAPI devices for now */
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if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
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(device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
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break;
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devno = (device == ATA_MASTER) ? 0 : 1;
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if (udmamode >=4 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA4 mode on HPT366 chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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hpt366_timing(scp, device, ATA_MODE_UDMA4);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA4;
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return 0;
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}
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}
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if (udmamode >=3 && !(pci_read_config(scp->dev, 0x5a, 1) & 0x2)) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA3, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA3 mode on HPT366 chip\n",
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scp->lun, (device == ATA_MASTER) ? "master" : "slave",
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(error) ? "failed" : "success");
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if (!error) {
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hpt366_timing(scp, device, ATA_MODE_UDMA3);
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scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA3;
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return 0;
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}
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}
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if (udmamode >= 2) {
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error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
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ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
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if (bootverbose)
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printf("ata%d: %s: %s setting up UDMA2 mode on HPT366 chip\n",
|
|
scp->lun, (device == ATA_MASTER) ? "master" : "slave",
|
|
(error) ? "failed" : "success");
|
|
if (!error) {
|
|
hpt366_timing(scp, device, ATA_MODE_UDMA2);
|
|
scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
|
|
return 0;
|
|
}
|
|
}
|
|
if (wdmamode >= 2 && apiomode >= 4) {
|
|
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
|
|
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
|
|
if (bootverbose)
|
|
printf("ata%d: %s: %s setting up WDMA2 mode on HPT366 chip\n",
|
|
scp->lun, (device == ATA_MASTER) ? "master" : "slave",
|
|
(error) ? "failed" : "success");
|
|
if (!error) {
|
|
hpt366_timing(scp, device, ATA_MODE_WDMA2);
|
|
scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
|
|
return 0;
|
|
}
|
|
}
|
|
if (bootverbose)
|
|
printf("ata%d: %s: setting PIO mode on HPT366 chip\n",
|
|
scp->lun, (device == ATA_MASTER) ? "master" : "slave");
|
|
hpt366_timing(scp, device, ATA_MODE_PIO);
|
|
break;
|
|
|
|
default: /* unknown controller chip */
|
|
/* better not try generic DMA on ATAPI devices it almost never works */
|
|
if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) ||
|
|
(device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE))
|
|
break;
|
|
|
|
/* well, we have no support for this, but try anyways */
|
|
if (((wdmamode >= 2 && apiomode >= 4) || udmamode >= 2) &&
|
|
(inb(scp->bmaddr + ATA_BMSTAT_PORT) &
|
|
((device == ATA_MASTER) ?
|
|
ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
|
|
error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0,
|
|
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
|
|
if (bootverbose)
|
|
printf("ata%d: %s: %s setting up WDMA2 mode on generic chip\n",
|
|
scp->lun, (device == ATA_MASTER) ? "master" : "slave",
|
|
(error) ? "failed" : "success");
|
|
if (!error) {
|
|
scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
free(dmatab, M_DEVBUF);
|
|
return -1;
|
|
}
|
|
|
|
int32_t
|
|
ata_dmasetup(struct ata_softc *scp, int32_t device,
|
|
int8_t *data, int32_t count, int32_t flags)
|
|
{
|
|
struct ata_dmaentry *dmatab;
|
|
u_int32_t dma_count, dma_base;
|
|
int32_t i = 0;
|
|
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata%d: dmasetup\n", scp->lun);
|
|
#endif
|
|
if (((uintptr_t)data & 1) || (count & 1))
|
|
return -1;
|
|
|
|
if (!count) {
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata%d: zero length DMA transfer attempt on %s\n",
|
|
scp->lun, ((device == ATA_MASTER) ? "master" : "slave"));
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
dmatab = scp->dmatab[(device == ATA_MASTER) ? 0 : 1];
|
|
dma_base = vtophys(data);
|
|
dma_count = MIN(count, (PAGE_SIZE - ((uintptr_t)data & PAGE_MASK)));
|
|
data += dma_count;
|
|
count -= dma_count;
|
|
|
|
while (count) {
|
|
dmatab[i].base = dma_base;
|
|
dmatab[i].count = (dma_count & 0xffff);
|
|
i++;
|
|
if (i >= ATA_DMA_ENTRIES) {
|
|
printf("ata%d: too many segments in DMA table for %s\n",
|
|
scp->lun, (device ? "slave" : "master"));
|
|
return -1;
|
|
}
|
|
dma_base = vtophys(data);
|
|
dma_count = MIN(count, PAGE_SIZE);
|
|
data += MIN(count, PAGE_SIZE);
|
|
count -= MIN(count, PAGE_SIZE);
|
|
}
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata_dmasetup: base=%08x count%08x\n", dma_base, dma_count);
|
|
#endif
|
|
dmatab[i].base = dma_base;
|
|
dmatab[i].count = (dma_count & 0xffff) | ATA_DMA_EOT;
|
|
|
|
outl(scp->bmaddr + ATA_BMDTP_PORT, vtophys(dmatab));
|
|
#ifdef ATA_DMADEBUG
|
|
printf("dmatab=%08x %08x\n",
|
|
vtophys(dmatab), inl(scp->bmaddr+ATA_BMDTP_PORT));
|
|
#endif
|
|
outb(scp->bmaddr + ATA_BMCMD_PORT, flags ? ATA_BMCMD_WRITE_READ:0);
|
|
outb(scp->bmaddr + ATA_BMSTAT_PORT, (inb(scp->bmaddr + ATA_BMSTAT_PORT) |
|
|
(ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
ata_dmastart(struct ata_softc *scp)
|
|
{
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata%d: dmastart\n", scp->lun);
|
|
#endif
|
|
scp->flags |= ATA_DMA_ACTIVE;
|
|
outb(scp->bmaddr + ATA_BMCMD_PORT,
|
|
inb(scp->bmaddr + ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
|
|
}
|
|
|
|
int32_t
|
|
ata_dmadone(struct ata_softc *scp)
|
|
{
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata%d: dmadone\n", scp->lun);
|
|
#endif
|
|
outb(scp->bmaddr + ATA_BMCMD_PORT,
|
|
inb(scp->bmaddr + ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
|
|
scp->flags &= ~ATA_DMA_ACTIVE;
|
|
return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
|
|
}
|
|
|
|
int32_t
|
|
ata_dmastatus(struct ata_softc *scp)
|
|
{
|
|
#ifdef ATA_DMADEBUG
|
|
printf("ata%d: dmastatus\n", scp->lun);
|
|
#endif
|
|
return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
|
|
}
|
|
|
|
static void
|
|
hpt366_timing(struct ata_softc *scp, int32_t device, int32_t mode)
|
|
{
|
|
u_int32_t timing;
|
|
|
|
switch (pci_read_config(scp->dev, (device == ATA_MASTER) ? 0x41 : 0x45, 1)){
|
|
case 0x85: /* 25Mhz */
|
|
switch (mode) {
|
|
case ATA_MODE_PIO: timing = 0xc0ca8521; break;
|
|
case ATA_MODE_WDMA2: timing = 0xa0ca8521; break;
|
|
case ATA_MODE_UDMA2:
|
|
case ATA_MODE_UDMA3: timing = 0x90cf8521; break;
|
|
case ATA_MODE_UDMA4: timing = 0x90c98521; break;
|
|
default: timing = 0x01208585;
|
|
}
|
|
break;
|
|
default:
|
|
case 0xa7: /* 33MHz */
|
|
switch (mode) {
|
|
case ATA_MODE_PIO: timing = 0xc0c8a731; break;
|
|
case ATA_MODE_WDMA2: timing = 0xa0c8a731; break;
|
|
case ATA_MODE_UDMA2: timing = 0x90caa731; break;
|
|
case ATA_MODE_UDMA3: timing = 0x90cfa731; break;
|
|
case ATA_MODE_UDMA4: timing = 0x90c9a731; break;
|
|
default: timing = 0x0120a7a7;
|
|
}
|
|
break;
|
|
case 0xd9: /* 40Mhz */
|
|
switch (mode) {
|
|
case ATA_MODE_PIO: timing = 0xc008d963; break;
|
|
case ATA_MODE_WDMA2: timing = 0xa008d943; break;
|
|
case ATA_MODE_UDMA2: timing = 0x900bd943; break;
|
|
case ATA_MODE_UDMA3: timing = 0x900ad943; break;
|
|
case ATA_MODE_UDMA4: timing = 0x900fd943; break;
|
|
default: timing = 0x0120d9d9;
|
|
}
|
|
}
|
|
pci_write_config(scp->dev, 0x40 + (device==ATA_MASTER ? 0 : 4), timing, 4);
|
|
}
|
|
|
|
#else /* NPCI > 0 */
|
|
|
|
int32_t
|
|
ata_dmainit(struct ata_softc *scp, int32_t device,
|
|
int32_t piomode, int32_t wdmamode, int32_t udmamode)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int32_t
|
|
ata_dmasetup(struct ata_softc *scp, int32_t device,
|
|
int8_t *data, int32_t count, int32_t flags)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
ata_dmastart(struct ata_softc *scp)
|
|
{
|
|
}
|
|
|
|
int32_t
|
|
ata_dmadone(struct ata_softc *scp)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int32_t
|
|
ata_dmastatus(struct ata_softc *scp)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
#endif /* NPCI > 0 */
|