/*- * Copyright (c) 1998,1999,2000,2001 Søren Schmidt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer, * without modification, immediately at the beginning of the file. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: head/sys/dev/ata/ata-dma.c 87951 2001-12-14 21:28:49Z sos $ */ #include "pci.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* prototypes */ static void cyrix_timing(struct ata_softc *, int, int); static void promise_timing(struct ata_softc *, int, int); static void hpt_timing(struct ata_softc *, int, int); /* misc defines */ #ifdef __alpha__ #undef vtophys #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) #endif #define ATAPI_DEVICE(scp, device) \ ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || \ (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) void * ata_dmaalloc(struct ata_softc *scp, int device) { void *dmatab; if ((dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT))) { if (((uintptr_t)dmatab >> PAGE_SHIFT) ^ (((uintptr_t)dmatab + PAGE_SIZE - 1) >> PAGE_SHIFT)) { ata_printf(scp, device, "dmatab crosses page boundary, no DMA\n"); free(dmatab, M_DEVBUF); dmatab = NULL; } } return dmatab; } void ata_dmainit(struct ata_softc *scp, int device, int apiomode, int wdmamode, int udmamode) { device_t parent = device_get_parent(scp->dev); int devno = (scp->channel << 1) + ATA_DEV(device); int error; /* set our most pessimistic default mode */ scp->mode[ATA_DEV(device)] = ATA_PIO; if (!scp->r_bmio) return; /* if simplex controller, only allow DMA on primary channel */ if (scp->channel == 1) { ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT) & (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); if (ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX) { ata_printf(scp, device, "simplex device, DMA on primary only\n"); return; } } /* DMA engine address alignment is usually 1 word (2 bytes) */ scp->alignment = 0x1; #if 1 if (udmamode > 2 && !ATA_PARAM(scp, device)->hwres_cblid) { ata_printf(scp, device, "DMA limited to UDMA33, non-ATA66 compliant cable\n"); udmamode = 2; } #endif switch (scp->chiptype) { case 0x248a8086: /* Intel ICH3 mobile */ case 0x248b8086: /* Intel ICH3 */ case 0x244a8086: /* Intel ICH2 mobile */ case 0x244b8086: /* Intel ICH2 */ if (udmamode >= 5) { int32_t mask48, new48; int16_t word54; word54 = pci_read_config(parent, 0x54, 2); if (word54 & (0x10 << devno)) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER,ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on Intel chip\n", (error) ? "failed" : "success"); if (!error) { mask48 = (1 << devno) + (3 << (16 + (devno << 2))); new48 = (1 << devno) + (1 << (16 + (devno << 2))); pci_write_config(parent, 0x48, (pci_read_config(parent, 0x48, 4) & ~mask48) | new48, 4); pci_write_config(parent, 0x54, word54 | (0x1000<mode[ATA_DEV(device)] = ATA_UDMA5; return; } } } /* make sure eventual ATA100 mode from the BIOS is disabled */ pci_write_config(parent, 0x54, pci_read_config(parent, 0x54, 2) & ~(0x1000<= 4) { int32_t mask48, new48; int16_t word54; word54 = pci_read_config(parent, 0x54, 2); if (word54 & (0x10 << devno)) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER,ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on Intel chip\n", (error) ? "failed" : "success"); if (!error) { mask48 = (1 << devno) + (3 << (16 + (devno << 2))); new48 = (1 << devno) + (2 << (16 + (devno << 2))); pci_write_config(parent, 0x48, (pci_read_config(parent, 0x48, 4) & ~mask48) | new48, 4); pci_write_config(parent, 0x54, word54 | (1 << devno), 2); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } } /* make sure eventual ATA66 mode from the BIOS is disabled */ pci_write_config(parent, 0x54, pci_read_config(parent, 0x54, 2) & ~(1 << devno), 2); /* FALLTHROUGH */ case 0x71118086: /* Intel PIIX4 */ case 0x84CA8086: /* Intel PIIX4 */ case 0x71998086: /* Intel PIIX4e */ case 0x24218086: /* Intel ICH0 */ if (udmamode >= 2) { int32_t mask48, new48; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on Intel chip\n", (error) ? "failed" : "success"); if (!error) { mask48 = (1 << devno) + (3 << (16 + (devno << 2))); new48 = (1 << devno) + (2 << (16 + (devno << 2))); pci_write_config(parent, 0x48, (pci_read_config(parent, 0x48, 4) & ~mask48) | new48, 4); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } /* make sure eventual ATA33 mode from the BIOS is disabled */ pci_write_config(parent, 0x48, pci_read_config(parent, 0x48, 4) & ~(1 << devno), 4); /* FALLTHROUGH */ case 0x70108086: /* Intel PIIX3 */ if (wdmamode >= 2 && apiomode >= 4) { int32_t mask40, new40, mask44, new44; /* if SITRE not set doit for both channels */ if (!((pci_read_config(parent,0x40,4)>>(scp->channel<<8))&0x4000)) { new40 = pci_read_config(parent, 0x40, 4); new44 = pci_read_config(parent, 0x44, 4); if (!(new40 & 0x00004000)) { new44 &= ~0x0000000f; new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8); } if (!(new40 & 0x40000000)) { new44 &= ~0x000000f0; new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20); } new40 |= 0x40004000; pci_write_config(parent, 0x40, new40, 4); pci_write_config(parent, 0x44, new44, 4); } error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Intel chip\n", (error) ? "failed" : "success"); if (!error) { if (device == ATA_MASTER) { mask40 = 0x0000330f; new40 = 0x00002307; mask44 = 0; new44 = 0; } else { mask40 = 0x000000f0; new40 = 0x00000070; mask44 = 0x0000000f; new44 = 0x0000000b; } if (scp->channel) { mask40 <<= 16; new40 <<= 16; mask44 <<= 4; new44 <<= 4; } pci_write_config(parent, 0x40, (pci_read_config(parent, 0x40, 4) & ~mask40)| new40, 4); pci_write_config(parent, 0x44, (pci_read_config(parent, 0x44, 4) & ~mask44)| new44, 4); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x12308086: /* Intel PIIX */ if (wdmamode >= 2 && apiomode >= 4) { int32_t word40; word40 = pci_read_config(parent, 0x40, 4); word40 >>= scp->channel * 16; /* Check for timing config usable for DMA on controller */ if (!((word40 & 0x3300) == 0x2300 && ((word40 >> (device == ATA_MASTER ? 0 : 4)) & 1) == 1)) break; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Intel chip\n", (error) ? "failed" : "success"); if (!error) { scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } break; case 0x522910b9: /* AcerLabs Aladdin IV/V */ /* the older Aladdin doesn't support ATAPI DMA on both master & slave */ if (pci_get_revid(parent) < 0xc2 && scp->devices & ATA_ATAPI_MASTER && scp->devices & ATA_ATAPI_SLAVE) { ata_printf(scp, device, "Aladdin: two atapi devices on this channel, no DMA\n"); break; } if (udmamode >= 5 && pci_get_revid(parent) >= 0xc4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on Acer chip\n", (error) ? "failed" : "success"); if (!error) { int32_t word54 = pci_read_config(parent, 0x54, 4); pci_write_config(parent, 0x4b, pci_read_config(parent, 0x4b, 1) | 0x01, 1); word54 &= ~(0x000f000f << (devno << 2)); word54 |= (0x000f0005 << (devno << 2)); pci_write_config(parent, 0x54, word54, 4); pci_write_config(parent, 0x53, pci_read_config(parent, 0x53, 1) | 0x03, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } if (udmamode >= 4 && pci_get_revid(parent) >= 0xc2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on Acer chip\n", (error) ? "failed" : "success"); if (!error) { int32_t word54 = pci_read_config(parent, 0x54, 4); pci_write_config(parent, 0x4b, pci_read_config(parent, 0x4b, 1) | 0x01, 1); word54 &= ~(0x000f000f << (devno << 2)); word54 |= (0x00080005 << (devno << 2)); pci_write_config(parent, 0x54, word54, 4); pci_write_config(parent, 0x53, pci_read_config(parent, 0x53, 1) | 0x03, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2 && pci_get_revid(parent) >= 0x20) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on Acer chip\n", (error) ? "failed" : "success"); if (!error) { int32_t word54 = pci_read_config(parent, 0x54, 4); word54 &= ~(0x000f000f << (devno << 2)); word54 |= (0x000a0005 << (devno << 2)); pci_write_config(parent, 0x54, word54, 4); pci_write_config(parent, 0x53, pci_read_config(parent, 0x53, 1) | 0x03, 1); scp->flags |= ATA_ATAPI_DMA_RO; scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } /* make sure eventual UDMA mode from the BIOS is disabled */ pci_write_config(parent, 0x56, pci_read_config(parent, 0x56, 2) & ~(0x0008 << (devno << 2)), 2); if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Acer chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53, pci_read_config(parent, 0x53, 1) | 0x03, 1); scp->flags |= ATA_ATAPI_DMA_RO; scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } pci_write_config(parent, 0x53, (pci_read_config(parent, 0x53, 1) & ~0x01) | 0x02, 1); /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x74111022: /* AMD 766 */ if (udmamode >= 5) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on AMD chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xc6, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } /* FALLTHROUGH */ case 0x74091022: /* AMD 756 */ if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on AMD chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xc5, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } goto via_82c586; case 0x05711106: /* VIA 82C571, 82C586, 82C596, 82C686 */ if (ata_find_dev(parent, 0x06861106, 0x40) || ata_find_dev(parent, 0x82311106, 0) || ata_find_dev(parent, 0x30741106, 0)) { /* 82C686b */ if (udmamode >= 5) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on VIA chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xf0, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on VIA chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xf1, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on VIA chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xf4, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } else if (ata_find_dev(parent, 0x06861106, 0) || /* 82C686a */ ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */ if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on VIA chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xe8, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on VIA chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xea, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } else if (ata_find_dev(parent, 0x05961106, 0) || /* 82C596a */ ata_find_dev(parent, 0x05861106, 0x03)) { /* 82C586b */ via_82c586: if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on %s chip\n", (error) ? "failed" : "success", ((scp->chiptype == 0x74091022) || (scp->chiptype == 0x74111022)) ? "AMD" : "VIA"); if (!error) { pci_write_config(parent, 0x53 - devno, 0xc0, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on %s chip\n", (error) ? "failed" : "success", (scp->chiptype == 0x74091022) ? "AMD" : "VIA"); if (!error) { pci_write_config(parent, 0x53 - devno, 0x0b, 1); pci_write_config(parent, 0x4b - devno, 0x31, 1); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x55131039: /* SiS 5591 */ if (ata_find_dev(parent, 0x06301039, 0x30) || /* SiS 630 */ ata_find_dev(parent, 0x06331039, 0x00) || /* SiS 633 */ ata_find_dev(parent, 0x06351039, 0x00) || /* SiS 635 */ ata_find_dev(parent, 0x06451039, 0x00) || /* SiS 635 */ ata_find_dev(parent, 0x07301039, 0x00) || /* SiS 730 */ ata_find_dev(parent, 0x07331039, 0x00) || /* SiS 733 */ ata_find_dev(parent, 0x07351039, 0x00)) { /* SiS 735 */ int8_t reg = 0x40 + (devno << 1); int16_t val = pci_read_config(parent, reg, 2) & 0x0fff; if (udmamode >= 5) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, reg, val | 0x8000, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, reg, val | 0x9000, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, reg, val | 0xb000, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } else if (ata_find_dev(parent, 0x05301039, 0) || /* SiS 530 */ ata_find_dev(parent, 0x05401039, 0) || /* SiS 540 */ ata_find_dev(parent, 0x06201039, 0) || /* SiS 620 */ ata_find_dev(parent, 0x06301039, 0)) { /* SiS 630 */ int8_t reg = 0x40 + (devno << 1); int16_t val = pci_read_config(parent, reg, 2) & 0x0fff; if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, reg, val | 0x9000, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, reg, val | 0xa000, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } else { /* SiS 5591 */ if (udmamode >= 2 && pci_get_revid(parent) > 0xc1) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x40 + (devno << 1), 0xa301, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } } if (wdmamode >=2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on SiS chip\n", (error) ? "failed" : "success"); if (!error) { pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x06491095: /* CMD 649 ATA100 controller */ if (udmamode >= 5) { u_int8_t umode; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on CMD chip\n", (error) ? "failed" : "success"); if (!error) { umode = pci_read_config(parent, scp->channel ? 0x7b : 0x73, 1); umode &= ~(device == ATA_MASTER ? 0x35 : 0xca); umode |= (device == ATA_MASTER ? 0x05 : 0x0a); pci_write_config(parent, scp->channel ? 0x7b : 0x73, umode, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } /* FALLTHROUGH */ case 0x06481095: /* CMD 648 ATA66 controller */ if (udmamode >= 4) { u_int8_t umode; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on CMD chip\n", (error) ? "failed" : "success"); if (!error) { umode = pci_read_config(parent, scp->channel ? 0x7b : 0x73, 1); umode &= ~(device == ATA_MASTER ? 0x35 : 0xca); umode |= (device == ATA_MASTER ? 0x15 : 0x4a); pci_write_config(parent, scp->channel ? 0x7b : 0x73, umode, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { u_int8_t umode; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on CMD chip\n", (error) ? "failed" : "success"); if (!error) { umode = pci_read_config(parent, scp->channel ? 0x7b : 0x73, 1); umode &= ~(device == ATA_MASTER ? 0x35 : 0xca); umode |= (device == ATA_MASTER ? 0x11 : 0x42); pci_write_config(parent, scp->channel ? 0x7b : 0x73, umode, 1); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } /* make sure eventual UDMA mode from the BIOS is disabled */ pci_write_config(parent, scp->channel ? 0x7b : 0x73, pci_read_config(parent, scp->channel ? 0x7b : 0x73, 1)& ~(device == ATA_MASTER ? 0x35 : 0xca), 1); /* FALLTHROUGH */ case 0x06461095: /* CMD 646 ATA controller */ if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on CMD chip\n", error ? "failed" : "success"); if (!error) { int32_t offset = (devno < 3) ? (devno << 1) : 7; pci_write_config(parent, 0x54 + offset, 0x3f, 1); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0xc6931080: /* Cypress 82c693 ATA controller */ if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Cypress chip\n", error ? "failed" : "success"); if (!error) { pci_write_config(scp->dev, scp->channel ? 0x4e:0x4c, 0x2020, 2); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x01021078: /* Cyrix 5530 ATA33 controller */ scp->alignment = 0xf; /* DMA engine requires 16 byte alignment */ if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on Cyrix chip\n", (error) ? "failed" : "success"); if (!error) { cyrix_timing(scp, devno, ATA_UDMA2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Cyrix chip\n", (error) ? "failed" : "success"); if (!error) { cyrix_timing(scp, devno, ATA_WDMA2); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting %s on Cyrix chip\n", (error) ? "failed" : "success", ata_mode2str(ATA_PIO0 + apiomode)); cyrix_timing(scp, devno, ATA_PIO0 + apiomode); scp->mode[ATA_DEV(device)] = ATA_PIO0 + apiomode; return; case 0x02111166: /* ServerWorks ROSB4 ATA33 controller */ if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on ServerWorks chip\n", (error) ? "failed" : "success"); if (!error) { u_int16_t reg56; pci_write_config(parent, 0x54, pci_read_config(parent, 0x54, 1) | (0x01 << devno), 1); reg56 = pci_read_config(parent, 0x56, 2); reg56 &= ~(0xf << (devno * 4)); reg56 |= (0x2 << (devno * 4)); pci_write_config(parent, 0x56, reg56, 2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on ServerWorks chip\n", (error) ? "failed" : "success"); if (!error) { int offset = (scp->channel * 2) + (device == ATA_MASTER); int word44 = pci_read_config(parent, 0x44, 4); pci_write_config(parent, 0x54, pci_read_config(parent, 0x54, 1) & ~(0x01 << devno), 1); word44 &= ~(0xff << (offset << 8)); word44 |= (0x20 << (offset << 8)); pci_write_config(parent, 0x44, 0x20, 4); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } /* we could set PIO mode timings, but we assume the BIOS did that */ break; case 0x4d68105a: /* Promise TX2 ATA100 controllers */ case 0x6268105a: /* Promise TX2v2 ATA100 controllers */ case 0x4d69105a: /* Promise ATA133 controllers */ ATA_OUTB(scp->r_bmio, ATA_BMDEVSPEC_0, 0x0b); if (udmamode >= 4 && !(ATA_INB(scp->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA + udmamode, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting %s on Promise chip\n", (error) ? "failed" : "success", ata_mode2str(ATA_UDMA + udmamode)); if (!error) { scp->mode[ATA_DEV(device)] = ATA_UDMA + udmamode; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting %s on Promise chip\n", (error) ? "failed" : "success", "UDMA2"); if (!error) { scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } if (wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting %s on Promise chip\n", (error) ? "failed" : "success", "WDMA2"); if (!error) { scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } break; case 0x4d30105a: /* Promise Ultra/FastTrak 100 controllers */ case 0x0d30105a: /* Promise OEM ATA100 controllers */ if (!ATAPI_DEVICE(scp, device) && udmamode >= 5 && !(pci_read_config(parent, 0x50, 2)&(scp->channel ? 1<<11 : 1<<10))){ error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on Promise chip\n", (error) ? "failed" : "success"); if (!error) { promise_timing(scp, devno, ATA_UDMA5); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } /* FALLTHROUGH */ case 0x4d38105a: /* Promise Ultra/FastTrak 66 controllers */ if (!ATAPI_DEVICE(scp, device) && udmamode >= 4 && !(pci_read_config(parent, 0x50, 2)&(scp->channel ? 1<<11 : 1<<10))){ error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on Promise chip\n", (error) ? "failed" : "success"); if (!error) { promise_timing(scp, devno, ATA_UDMA4); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } /* FALLTHROUGH */ case 0x4d33105a: /* Promise Ultra/FastTrak 33 controllers */ if (!ATAPI_DEVICE(scp, device) && udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on Promise chip\n", (error) ? "failed" : "success"); if (!error) { promise_timing(scp, devno, ATA_UDMA2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } if (!ATAPI_DEVICE(scp, device) && wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on Promise chip\n", (error) ? "failed" : "success"); if (!error) { promise_timing(scp, devno, ATA_WDMA2); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting PIO%d on Promise chip\n", (error) ? "failed" : "success", (apiomode >= 0) ? apiomode : 0); promise_timing(scp, devno, ATA_PIO0 + apiomode); scp->mode[ATA_DEV(device)] = ATA_PIO0 + apiomode; return; case 0x00041103: /* HighPoint HPT366/368/370/372 controllers */ if (!ATAPI_DEVICE(scp, device) && udmamode >= 6 && pci_get_revid(parent) >= 0x05 && !(pci_read_config(parent, 0x5a, 1) & (scp->channel ? 0x01:0x02))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA6 on HighPoint chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA6); scp->mode[ATA_DEV(device)] = ATA_UDMA6; return; } } if (!ATAPI_DEVICE(scp, device) && udmamode >=5 && pci_get_revid(parent) >= 0x03 && !(pci_read_config(parent, 0x5a, 1) & (scp->channel ? 0x01:0x02))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on HighPoint chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA5); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } if (!ATAPI_DEVICE(scp, device) && udmamode >=4 && !(pci_read_config(parent, 0x5a, 1) & (scp->channel ? 0x01:0x02))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on HighPoint chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA4); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (!ATAPI_DEVICE(scp, device) && udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on HighPoint chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA2); scp->mode[ATA_DEV(device)] = ATA_UDMA2; return; } } if (!ATAPI_DEVICE(scp, device) && wdmamode >= 2 && apiomode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on HighPoint chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_WDMA2); scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting PIO%d on HighPoint chip\n", (error) ? "failed" : "success", (apiomode >= 0) ? apiomode : 0); hpt_timing(scp, devno, ATA_PIO0 + apiomode); scp->mode[ATA_DEV(device)] = ATA_PIO0 + apiomode; return; 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; /* if controller says its setup for DMA take the easy way out */ /* the downside is we dont know what DMA mode we are in */ if ((udmamode >= 0 || wdmamode > 1) && (ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT) & ((device==ATA_MASTER) ? ATA_BMSTAT_DMA_MASTER : ATA_BMSTAT_DMA_SLAVE))) { scp->mode[ATA_DEV(device)] = ATA_DMA; return; } /* well, we have no support for this, but try anyways */ if ((wdmamode >= 2 && apiomode >= 4) && scp->r_bmio) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on generic chip\n", (error) ? "failed" : "success"); if (!error) { scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } } error = ata_command(scp, device, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode, ATA_C_F_SETXFER,ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting PIO%d on generic chip\n", (error) ? "failed" : "success", apiomode < 0 ? 0 : apiomode); if (!error) scp->mode[ATA_DEV(device)] = ATA_PIO0 + apiomode; else { if (bootverbose) ata_printf(scp, device, "using PIO mode set by BIOS\n"); scp->mode[ATA_DEV(device)] = ATA_PIO; } } int ata_dmasetup(struct ata_softc *scp, int device, struct ata_dmaentry *dmatab, caddr_t data, int32_t count) { u_int32_t dma_count, dma_base; int i = 0; if (((uintptr_t)data & scp->alignment) || (count & scp->alignment)) { ata_printf(scp, device, "non aligned DMA transfer attempted\n"); return -1; } if (!count) { ata_printf(scp, device, "zero length DMA transfer attempted\n"); return -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) { ata_printf(scp, device, "too many segments in DMA table\n"); return -1; } dma_base = vtophys(data); dma_count = min(count, PAGE_SIZE); data += min(count, PAGE_SIZE); count -= min(count, PAGE_SIZE); } dmatab[i].base = dma_base; dmatab[i].count = (dma_count & 0xffff) | ATA_DMA_EOT; return 0; } void ata_dmastart(struct ata_softc *scp, int device, struct ata_dmaentry *dmatab, int dir) { scp->flags |= ATA_DMA_ACTIVE; ATA_OUTL(scp->r_bmio, ATA_BMDTP_PORT, vtophys(dmatab)); ATA_OUTB(scp->r_bmio, ATA_BMCMD_PORT, dir ? ATA_BMCMD_WRITE_READ : 0); ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, (ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT) | (ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR))); ATA_OUTB(scp->r_bmio, ATA_BMCMD_PORT, ATA_INB(scp->r_bmio, ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP); } int ata_dmadone(struct ata_softc *scp) { int error; ATA_OUTB(scp->r_bmio, ATA_BMCMD_PORT, ATA_INB(scp->r_bmio, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP); scp->flags &= ~ATA_DMA_ACTIVE; error = ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT); ATA_OUTB(scp->r_bmio, ATA_BMSTAT_PORT, error | ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR); return error & ATA_BMSTAT_MASK; } int ata_dmastatus(struct ata_softc *scp) { return ATA_INB(scp->r_bmio, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; } static void cyrix_timing(struct ata_softc *scp, int devno, int mode) { u_int32_t reg20 = 0x0000e132; u_int32_t reg24 = 0x00017771; switch (mode) { case ATA_PIO0: reg20 = 0x0000e132; break; case ATA_PIO1: reg20 = 0x00018121; break; case ATA_PIO2: reg20 = 0x00024020; break; case ATA_PIO3: reg20 = 0x00032010; break; case ATA_PIO4: reg20 = 0x00040010; break; case ATA_WDMA2: reg24 = 0x00002020; break; case ATA_UDMA2: reg24 = 0x00911030; break; } ATA_OUTL(scp->r_bmio, (devno << 3) + 0x20, reg20); ATA_OUTL(scp->r_bmio, (devno << 3) + 0x24, reg24); } static void promise_timing(struct ata_softc *scp, int devno, int mode) { u_int32_t timing = 0; struct promise_timing { u_int8_t pa:4; u_int8_t prefetch:1; u_int8_t iordy:1; u_int8_t errdy:1; u_int8_t syncin:1; u_int8_t pb:5; u_int8_t mb:3; u_int8_t mc:4; u_int8_t dmaw:1; u_int8_t dmar:1; u_int8_t iordyp:1; u_int8_t dmarqp:1; u_int8_t reserved:8; } *t = (struct promise_timing*)&timing; t->iordy = 1; t->iordyp = 1; if (mode >= ATA_DMA) { t->prefetch = 1; t->errdy = 1; t->syncin = 1; } switch (scp->chiptype) { case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */ switch (mode) { default: case ATA_PIO0: t->pa = 9; t->pb = 19; t->mb = 7; t->mc = 15; break; case ATA_PIO1: t->pa = 5; t->pb = 12; t->mb = 7; t->mc = 15; break; case ATA_PIO2: t->pa = 3; t->pb = 8; t->mb = 7; t->mc = 15; break; case ATA_PIO3: t->pa = 2; t->pb = 6; t->mb = 7; t->mc = 15; break; case ATA_PIO4: t->pa = 1; t->pb = 4; t->mb = 7; t->mc = 15; break; case ATA_WDMA2: t->pa = 3; t->pb = 7; t->mb = 3; t->mc = 3; break; case ATA_UDMA2: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break; } break; case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */ case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */ case 0x0d30105a: /* Promise OEM ATA 100 */ switch (mode) { default: case ATA_PIO0: t->pa = 15; t->pb = 31; t->mb = 7; t->mc = 15; break; case ATA_PIO1: t->pa = 10; t->pb = 24; t->mb = 7; t->mc = 15; break; case ATA_PIO2: t->pa = 6; t->pb = 16; t->mb = 7; t->mc = 15; break; case ATA_PIO3: t->pa = 4; t->pb = 12; t->mb = 7; t->mc = 15; break; case ATA_PIO4: t->pa = 2; t->pb = 8; t->mb = 7; t->mc = 15; break; case ATA_WDMA2: t->pa = 6; t->pb = 14; t->mb = 6; t->mc = 6; break; case ATA_UDMA2: t->pa = 6; t->pb = 14; t->mb = 2; t->mc = 2; break; case ATA_UDMA4: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break; case ATA_UDMA5: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break; } break; } pci_write_config(device_get_parent(scp->dev), 0x60 + (devno<<2), timing, 4); } static void hpt_timing(struct ata_softc *scp, int devno, int mode) { device_t parent = device_get_parent(scp->dev); u_int32_t timing; if (pci_get_revid(parent) >= 0x05) { /* HPT372 */ switch (mode) { case ATA_PIO0: timing = 0x0d029d5e; break; case ATA_PIO1: timing = 0x0d029d26; break; case ATA_PIO2: timing = 0x0c829ca6; break; case ATA_PIO3: timing = 0x0c829c84; break; case ATA_PIO4: timing = 0x0c829c62; break; case ATA_WDMA2: timing = 0x2c829262; break; case ATA_UDMA2: timing = 0x1c91dc62; break; case ATA_UDMA4: timing = 0x1c8ddc62; break; case ATA_UDMA5: timing = 0x1c6ddc62; break; case ATA_UDMA6: timing = 0x1c81dc62; break; default: timing = 0x0d029d5e; } pci_write_config(parent, 0x40 + (devno << 2) , timing, 4); pci_write_config(parent, 0x5b, 0x20, 1); } else if (pci_get_revid(parent) >= 0x03) { /* HPT370 */ switch (mode) { case ATA_PIO0: timing = 0x06914e57; break; case ATA_PIO1: timing = 0x06914e43; break; case ATA_PIO2: timing = 0x06514e33; break; case ATA_PIO3: timing = 0x06514e22; break; case ATA_PIO4: timing = 0x06514e21; break; case ATA_WDMA2: timing = 0x26514e21; break; case ATA_UDMA2: timing = 0x16494e31; break; case ATA_UDMA4: timing = 0x16454e31; break; case ATA_UDMA5: timing = 0x16454e31; break; default: timing = 0x06514e57; } pci_write_config(parent, 0x40 + (devno << 2) , timing, 4); pci_write_config(parent, 0x5b, 0x22, 1); } else { /* HPT36[68] */ switch (pci_read_config(parent, 0x41 + (devno << 2), 1)) { case 0x85: /* 25Mhz */ switch (mode) { case ATA_PIO0: timing = 0xc0d08585; break; case ATA_PIO1: timing = 0xc0d08572; break; case ATA_PIO2: timing = 0xc0ca8542; break; case ATA_PIO3: timing = 0xc0ca8532; break; case ATA_PIO4: timing = 0xc0ca8521; break; case ATA_WDMA2: timing = 0xa0ca8521; break; case ATA_UDMA2: timing = 0x90cf8521; break; case ATA_UDMA4: timing = 0x90c98521; break; default: timing = 0x01208585; } break; default: case 0xa7: /* 33MHz */ switch (mode) { case ATA_PIO0: timing = 0xc0d0a7aa; break; case ATA_PIO1: timing = 0xc0d0a7a3; break; case ATA_PIO2: timing = 0xc0d0a753; break; case ATA_PIO3: timing = 0xc0c8a742; break; case ATA_PIO4: timing = 0xc0c8a731; break; case ATA_WDMA2: timing = 0xa0c8a731; break; case ATA_UDMA2: timing = 0x90caa731; break; case ATA_UDMA4: timing = 0x90c9a731; break; default: timing = 0x0120a7a7; } break; case 0xd9: /* 40Mhz */ switch (mode) { case ATA_PIO0: timing = 0xc018d9d9; break; case ATA_PIO1: timing = 0xc010d9c7; break; case ATA_PIO2: timing = 0xc010d997; break; case ATA_PIO3: timing = 0xc010d974; break; case ATA_PIO4: timing = 0xc008d963; break; case ATA_WDMA2: timing = 0xa008d943; break; case ATA_UDMA2: timing = 0x900bd943; break; case ATA_UDMA4: timing = 0x900fd943; break; default: timing = 0x0120d9d9; } } pci_write_config(parent, 0x40 + (devno << 2), (timing & ~0x80000000),4); } }