1/*- 2 * Copyright (c) 1998,1999,2000 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * |
28 * $FreeBSD: head/sys/dev/ata/ata-dma.c 57391 2000-02-22 20:37:01Z sos $ |
29 */ 30 31#include "pci.h" 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/buf.h> 35#include <sys/malloc.h> 36#include <sys/bus.h> --- 54 unchanged lines hidden (view full) --- 91 free(dmatab, M_DEVBUF); 92 return; 93 } 94 scp->dmatab[ATA_DEV(device)] = dmatab; 95 } 96 97 switch (scp->chiptype) { 98 |
99 case 0x24118086: /* Intel ICH */ 100 if (udmamode >= 4) { 101 int32_t mask48, new48; 102 int16_t word54; 103 104 word54 = pci_read_config(parent, 0x54, 2); 105 if (word54 & (0x10 << devno)) { 106 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 107 ATA_UDMA4, ATA_C_F_SETXFER,ATA_WAIT_READY); 108 if (bootverbose) 109 ata_printf(scp, device, 110 "%s setting up UDMA4 mode on ICH chip\n", 111 (error) ? "failed" : "success"); 112 if (!error) { 113 mask48 = (1 << devno) + (3 << (16 + (devno << 2))); 114 new48 = (1 << devno) + (2 << (16 + (devno << 2))); 115 pci_write_config(parent, 0x48, 116 (pci_read_config(parent, 0x48, 4) & 117 ~mask48) | new48, 4); 118 pci_write_config(parent, 0x54, word54 | (1 << devno), 2); 119 scp->mode[ATA_DEV(device)] = ATA_UDMA4; 120 return; 121 } 122 } 123 } 124 /* FALLTHROUGH */ 125 |
126 case 0x71118086: /* Intel PIIX4 */ 127 case 0x71998086: /* Intel PIIX4e */ |
128 case 0x24218086: /* Intel ICH0 */ 129 if (udmamode >= 2) { 130 int32_t mask48, new48; 131 132 error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, 133 ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); 134 if (bootverbose) 135 ata_printf(scp, device, "%s setting up UDMA2 mode on %s chip\n", --- 643 unchanged lines hidden --- |