1183724Ssos/*- 2230132Suqs * Copyright (c) 1998 - 2008 S��ren Schmidt <sos@FreeBSD.org> 3183724Ssos * All rights reserved. 4183724Ssos * 5183724Ssos * Redistribution and use in source and binary forms, with or without 6183724Ssos * modification, are permitted provided that the following conditions 7183724Ssos * are met: 8183724Ssos * 1. Redistributions of source code must retain the above copyright 9183724Ssos * notice, this list of conditions and the following disclaimer, 10183724Ssos * without modification, immediately at the beginning of the file. 11183724Ssos * 2. Redistributions in binary form must reproduce the above copyright 12183724Ssos * notice, this list of conditions and the following disclaimer in the 13183724Ssos * documentation and/or other materials provided with the distribution. 14183724Ssos * 15183724Ssos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16183724Ssos * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17183724Ssos * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18183724Ssos * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19183724Ssos * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20183724Ssos * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21183724Ssos * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22183724Ssos * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23183724Ssos * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24183724Ssos * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25183724Ssos */ 26183724Ssos 27183724Ssos#include <sys/cdefs.h> 28183724Ssos__FBSDID("$FreeBSD$"); 29183724Ssos 30183724Ssos#include <sys/param.h> 31183724Ssos#include <sys/module.h> 32183724Ssos#include <sys/systm.h> 33183724Ssos#include <sys/kernel.h> 34183724Ssos#include <sys/ata.h> 35183724Ssos#include <sys/bus.h> 36183724Ssos#include <sys/endian.h> 37183724Ssos#include <sys/malloc.h> 38183724Ssos#include <sys/lock.h> 39183724Ssos#include <sys/mutex.h> 40183724Ssos#include <sys/sema.h> 41183724Ssos#include <sys/taskqueue.h> 42183724Ssos#include <vm/uma.h> 43183724Ssos#include <machine/stdarg.h> 44183724Ssos#include <machine/resource.h> 45183724Ssos#include <machine/bus.h> 46183724Ssos#include <sys/rman.h> 47183724Ssos#include <dev/pci/pcivar.h> 48183724Ssos#include <dev/pci/pcireg.h> 49183724Ssos#include <dev/ata/ata-all.h> 50183724Ssos#include <dev/ata/ata-pci.h> 51183724Ssos#include <ata_if.h> 52183724Ssos 53183724Ssos/* local prototypes */ 54183724Ssosstatic int ata_national_chipinit(device_t dev); 55200171Smavstatic int ata_national_ch_attach(device_t dev); 56200171Smavstatic int ata_national_setmode(device_t dev, int target, int mode); 57183724Ssos 58183724Ssos/* 59183724Ssos * National chipset support functions 60183724Ssos */ 61183724Ssosstatic int 62183724Ssosata_national_probe(device_t dev) 63183724Ssos{ 64183724Ssos struct ata_pci_controller *ctlr = device_get_softc(dev); 65183724Ssos 66183724Ssos /* this chip is a clone of the Cyrix chip, bugs and all */ 67183724Ssos if (pci_get_devid(dev) == ATA_SC1100) { 68183724Ssos device_set_desc(dev, "National Geode SC1100 ATA33 controller"); 69183724Ssos ctlr->chipinit = ata_national_chipinit; 70281140Smav return (BUS_PROBE_LOW_PRIORITY); 71183724Ssos } 72183724Ssos return ENXIO; 73183724Ssos} 74183724Ssos 75183724Ssosstatic int 76183724Ssosata_national_chipinit(device_t dev) 77183724Ssos{ 78183724Ssos struct ata_pci_controller *ctlr = device_get_softc(dev); 79183724Ssos 80183724Ssos if (ata_setup_interrupt(dev, ata_generic_intr)) 81183724Ssos return ENXIO; 82183724Ssos 83200171Smav ctlr->ch_attach = ata_national_ch_attach; 84183724Ssos ctlr->setmode = ata_national_setmode; 85183724Ssos return 0; 86183724Ssos} 87183724Ssos 88200171Smavstatic int 89200171Smavata_national_ch_attach(device_t dev) 90183724Ssos{ 91200171Smav struct ata_channel *ch = device_get_softc(dev); 92200171Smav 93200171Smav ch->dma.alignment = 16; 94200171Smav ch->dma.max_iosize = 64 * DEV_BSIZE; 95216013Smarius return (ata_pci_ch_attach(dev)); 96200171Smav} 97183724Ssos 98200171Smavstatic int 99200171Smavata_national_setmode(device_t dev, int target, int mode) 100200171Smav{ 101200171Smav device_t parent = device_get_parent(dev); 102200171Smav struct ata_channel *ch = device_get_softc(dev); 103200171Smav int devno = (ch->unit << 1) + target; 104200171Smav int piomode; 105233282Smarius static const uint32_t piotiming[] = 106200171Smav { 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 107200171Smav 0x9172d132, 0x20102010, 0x00100010 }; 108233282Smarius static const uint32_t dmatiming[] = 109233282Smarius { 0x80077771, 0x80012121, 0x80002020 }; 110233282Smarius static const uint32_t udmatiming[] = 111233282Smarius { 0x80921250, 0x80911140, 0x80911030 }; 112183724Ssos 113200171Smav mode = min(mode, ATA_UDMA2); 114183724Ssos 115183724Ssos if (mode >= ATA_UDMA0) { 116200171Smav pci_write_config(parent, 0x44 + (devno << 3), 117183724Ssos udmatiming[mode & ATA_MODE_MASK], 4); 118200171Smav piomode = ATA_PIO4; 119200171Smav } else if (mode >= ATA_WDMA0) { 120200171Smav pci_write_config(parent, 0x44 + (devno << 3), 121183724Ssos dmatiming[mode & ATA_MODE_MASK], 4); 122200171Smav piomode = mode; 123200171Smav } else { 124200171Smav pci_write_config(parent, 0x44 + (devno << 3), 125200171Smav pci_read_config(parent, 0x44 + (devno << 3), 4) | 126183724Ssos 0x80000000, 4); 127200171Smav piomode = mode; 128183724Ssos } 129200171Smav pci_write_config(parent, 0x40 + (devno << 3), 130200171Smav piotiming[ata_mode2idx(piomode)], 4); 131200171Smav return (mode); 132183724Ssos} 133183724Ssos 134183724SsosATA_DECLARE_DRIVER(ata_national); 135