/*- * Copyright (c) 1998,1999,2000 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. * * $FreeBSD$ */ #include "pci.h" #include #include #include #include #include #include #include #include #include #if NPCI > 0 #include #endif #include #include #if NPCI > 0 /* prototypes */ static void promise_timing(struct ata_softc *, int32_t, int32_t); static void hpt_timing(struct ata_softc *, int32_t, int32_t); /* misc defines */ #ifdef __alpha__ #undef vtophys #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va) #endif void ata_dmainit(struct ata_softc *scp, int32_t device, int32_t apiomode, int32_t wdmamode, int32_t udmamode) { device_t parent = device_get_parent(scp->dev); int devno = (scp->unit << 1) + ATA_DEV(device); int error; /* set our most pessimistic default mode */ scp->mode[ATA_DEV(device)] = ATA_PIO; if (!scp->bmaddr) return; /* if simplex controller, only allow DMA on primary channel */ if (scp->unit == 1) { outb(scp->bmaddr + ATA_BMSTAT_PORT, inb(scp->bmaddr + ATA_BMSTAT_PORT) & (ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE)); if (inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_DMA_SIMPLEX) { ata_printf(scp, device, "simplex device, DMA on primary only\n"); return; } } if (!scp->dmatab[ATA_DEV(device)]) { void *dmatab; if (!(dmatab = malloc(PAGE_SIZE, M_DEVBUF, M_NOWAIT))) return; 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); return; } scp->dmatab[ATA_DEV(device)] = dmatab; } if (udmamode > 2 && !ATA_PARAM(scp, device)->cblid) { ata_printf(scp, device, "DMA limited to UDMA33, non-ATA66 compliant cable\n"); udmamode = 2; } switch (scp->chiptype) { 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, 0, 0, ATA_UDMA5, ATA_C_F_SETXFER,ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on ICH2 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, 0, 0, ATA_UDMA4, ATA_C_F_SETXFER,ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on ICH%s chip\n", (error) ? "failed" : "success", (scp->chiptype == 0x244b8086) ? "2" : ""); 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 0x71998086: /* Intel PIIX4e */ case 0x24218086: /* Intel ICH0 */ if (udmamode >= 2) { int32_t mask48, new48; error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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 == 0x244b8086) ? "ICH2" : (scp->chiptype == 0x24118086) ? "ICH" : (scp->chiptype == 0x24218086) ? "ICH0" :"PIIX4"); 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->unit<<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, 0, 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 == 0x244b8086) ? "ICH2" : (scp->chiptype == 0x24118086) ? "ICH" : (scp->chiptype == 0x24218086) ? "ICH0" : (scp->chiptype == 0x70108086) ? "PIIX3":"PIIX4"); 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->unit) { 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->unit * 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, 0, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on PIIX chip\n", (error) ? "failed" : "success"); if (!error) { scp->mode[ATA_DEV(device)] = ATA_WDMA2; return; } } break; case 0x522910b9: /* AcerLabs Aladdin IV/V */ /* the Aladdin doesn't support ATAPI DMA on both master & slave */ if (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 >= 2) { int32_t word54 = pci_read_config(parent, 0x54, 4); error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on Aladdin chip\n", (error) ? "failed" : "success"); if (!error) { 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; } } 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) ata_printf(scp, device, "%s setting WDMA2 on Aladdin 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 0x74091022: /* AMD 756 */ if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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, 0xc3, 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, 0) || /* 82C686a */ ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */ if (udmamode >= 4) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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, 0, 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, 0x02)) { /* 82C586b */ via_82c586: if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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) ? "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, 0, 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, 0x82, 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 (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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, 0, 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 0x06461095: /* CMD 646 ATA controller */ 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) ata_printf(scp, device, "%s setting WDMA2 on CMD646 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, 0, 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->unit ? 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 0x4d33105a: /* Promise Ultra33 / FastTrak33 controllers */ case 0x4d38105a: /* Promise Ultra66 / FastTrak66 controllers */ case 0x4d30105a: /* Promise Ultra100 / FastTrak100 controllers */ /* the Promise can only do DMA on ATA disks not on ATAPI devices */ if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) break; if (udmamode >=5 && scp->chiptype == 0x4d30105a && !(pci_read_config(parent, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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; } } if (udmamode >=4 && (scp->chiptype == 0x4d38105a || scp->chiptype == 0x4d30105a) && !(pci_read_config(parent, 0x50, 2)&(scp->unit ? 1<<11 : 1<<10))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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 (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) 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, 0, 0, ata_pio2mode(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_pio2mode(apiomode)); scp->mode[ATA_DEV(device)] = ata_pio2mode(apiomode); return; case 0x00041103: /* HighPoint HPT366/368/370 controllers */ /* no ATAPI devices for now */ if ((device == ATA_MASTER && scp->devices & ATA_ATAPI_MASTER) || (device == ATA_SLAVE && scp->devices & ATA_ATAPI_SLAVE)) break; if (udmamode >=5 && pci_get_revid(parent) >= 0x03 && !(pci_read_config(parent, 0x5a, 1) & (scp->unit ? 0x01 : 0x02))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA5 on HPT370 chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA5); scp->mode[ATA_DEV(device)] = ATA_UDMA5; return; } } if (udmamode >=4 && !(pci_read_config(parent, 0x5a, 1) & (scp->unit ? 0x01 : 0x02))) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA4 on HPT366 chip\n", (error) ? "failed" : "success"); if (!error) { hpt_timing(scp, devno, ATA_UDMA4); scp->mode[ATA_DEV(device)] = ATA_UDMA4; return; } } if (udmamode >= 2) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 0, ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting UDMA2 on HPT366 chip\n", (error) ? "failed" : "success"); if (!error) { hpt_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, 0, 0, ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting WDMA2 on HPT366 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, 0, 0, ata_pio2mode(apiomode), ATA_C_F_SETXFER, ATA_WAIT_READY); if (bootverbose) ata_printf(scp, device, "%s setting PIO%d on HPT366 chip\n", (error) ? "failed" : "success", (apiomode >= 0) ? apiomode : 0); hpt_timing(scp, devno, ata_pio2mode(apiomode)); scp->mode[ATA_DEV(device)] = ata_pio2mode(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) && (inb(scp->bmaddr + 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->bmaddr) { error = ata_command(scp, device, ATA_C_SETFEATURES, 0, 0, 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, 0, 0, ata_pio2mode(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_pio2mode(apiomode); else { if (bootverbose) ata_printf(scp, device, "using PIO mode set by BIOS\n"); scp->mode[ATA_DEV(device)] = ATA_PIO; } } 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; int i = 0; if (((uintptr_t)data & 1) || (count & 1)) return -1; if (!count) { ata_printf(scp, device, "zero length DMA transfer attempted\n"); return -1; } dmatab = scp->dmatab[ATA_DEV(device)]; 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; outl(scp->bmaddr + ATA_BMDTP_PORT, vtophys(dmatab)); 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) { 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) { 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) { return inb(scp->bmaddr + ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK; } static void promise_timing(struct ata_softc *scp, int32_t devno, int32_t 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 33's */ 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 66's */ case 0x4d30105a: /* Promise 100's */ 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, int32_t devno, int32_t mode) { device_t parent = device_get_parent(scp->dev); u_int32_t timing; 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); } } #else /* NPCI > 0 */ void ata_dmainit(struct ata_softc *scp, int32_t device, int32_t piomode, int32_t wdmamode, int32_t udmamode) { } 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 */