1 /*- 2 * Copyright (c) 1998 - 2008 S�ren Schmidt <sos@FreeBSD.org> 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 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_ata.h" 31 #include <sys/param.h> 32 #include <sys/module.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/ata.h> 36 #include <sys/bus.h> 37 #include <sys/endian.h> 38 #include <sys/malloc.h> 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 #include <sys/sema.h> 42 #include <sys/taskqueue.h> 43 #include <vm/uma.h> 44 #include <machine/stdarg.h> 45 #include <machine/resource.h> 46 #include <machine/bus.h> 47 #include <sys/rman.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcireg.h> 50 #include <dev/ata/ata-all.h> 51 #include <dev/ata/ata-pci.h> 52 #include <ata_if.h> 53 54 /* local prototypes */ 55 static int ata_national_chipinit(device_t dev); 56 static void ata_national_setmode(device_t dev, int mode); 57 58 59 /* 60 * National chipset support functions 61 */ 62 static int 63 ata_national_probe(device_t dev) 64 { 65 struct ata_pci_controller *ctlr = device_get_softc(dev); 66 67 /* this chip is a clone of the Cyrix chip, bugs and all */ 68 if (pci_get_devid(dev) == ATA_SC1100) { 69 device_set_desc(dev, "National Geode SC1100 ATA33 controller"); 70 ctlr->chipinit = ata_national_chipinit; 71 return 0; 72 } 73 return ENXIO; 74 } 75 76 static int 77 ata_national_chipinit(device_t dev) 78 { 79 struct ata_pci_controller *ctlr = device_get_softc(dev); 80 81 if (ata_setup_interrupt(dev, ata_generic_intr)) 82 return ENXIO; 83 84 ctlr->setmode = ata_national_setmode; 85 return 0; 86 } 87 88 static void 89 ata_national_setmode(device_t dev, int mode) 90 { 91 device_t gparent = GRANDPARENT(dev); 92 struct ata_channel *ch = device_get_softc(device_get_parent(dev)); 93 struct ata_device *atadev = device_get_softc(dev); 94 int devno = (ch->unit << 1) + atadev->unit; 95 u_int32_t piotiming[] = 96 { 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 97 0x00803020, 0x20102010, 0x00100010, 98 0x00100010, 0x00100010, 0x00100010 }; 99 u_int32_t dmatiming[] = { 0x80077771, 0x80012121, 0x80002020 }; 100 u_int32_t udmatiming[] = { 0x80921250, 0x80911140, 0x80911030 }; 101 int error; 102 103 ch->dma.alignment = 16; 104 ch->dma.max_iosize = 64 * DEV_BSIZE; 105 106 mode = ata_limit_mode(dev, mode, ATA_UDMA2); 107 108 error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode); 109 110 if (bootverbose) 111 device_printf(dev, "%s setting %s on National chip\n", 112 (error) ? "failed" : "success", ata_mode2str(mode)); 113 if (!error) { 114 if (mode >= ATA_UDMA0) { 115 pci_write_config(gparent, 0x44 + (devno << 3), 116 udmatiming[mode & ATA_MODE_MASK], 4); 117 } 118 else if (mode >= ATA_WDMA0) { 119 pci_write_config(gparent, 0x44 + (devno << 3), 120 dmatiming[mode & ATA_MODE_MASK], 4); 121 } 122 else { 123 pci_write_config(gparent, 0x44 + (devno << 3), 124 pci_read_config(gparent, 0x44 + (devno << 3), 4) | 125 0x80000000, 4); 126 } 127 pci_write_config(gparent, 0x40 + (devno << 3), 128 piotiming[ata_mode2idx(mode)], 4); 129 atadev->mode = mode; 130 } 131 } 132 133 ATA_DECLARE_DRIVER(ata_national); 134