ata-national.c revision 230132
1285SN/A/*- 2611Smkos * Copyright (c) 1998 - 2008 S��ren Schmidt <sos@FreeBSD.org> 3285SN/A * All rights reserved. 4285SN/A * 5285SN/A * Redistribution and use in source and binary forms, with or without 6285SN/A * modification, are permitted provided that the following conditions 7285SN/A * are met: 8285SN/A * 1. Redistributions of source code must retain the above copyright 9285SN/A * notice, this list of conditions and the following disclaimer, 10285SN/A * without modification, immediately at the beginning of the file. 11285SN/A * 2. Redistributions in binary form must reproduce the above copyright 12285SN/A * notice, this list of conditions and the following disclaimer in the 13285SN/A * documentation and/or other materials provided with the distribution. 14285SN/A * 15285SN/A * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16285SN/A * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17285SN/A * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18285SN/A * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19285SN/A * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20285SN/A * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21285SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22285SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23285SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24285SN/A * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25285SN/A */ 26285SN/A 27285SN/A#include <sys/cdefs.h> 28285SN/A__FBSDID("$FreeBSD: head/sys/dev/ata/chipsets/ata-national.c 230132 2012-01-15 13:23:18Z uqs $"); 29285SN/A 30285SN/A#include "opt_ata.h" 31611Smkos#include <sys/param.h> 32285SN/A#include <sys/module.h> 33285SN/A#include <sys/systm.h> 34285SN/A#include <sys/kernel.h> 35285SN/A#include <sys/ata.h> 36285SN/A#include <sys/bus.h> 37285SN/A#include <sys/endian.h> 38285SN/A#include <sys/malloc.h> 39285SN/A#include <sys/lock.h> 40285SN/A#include <sys/mutex.h> 41285SN/A#include <sys/sema.h> 42285SN/A#include <sys/taskqueue.h> 43285SN/A#include <vm/uma.h> 44521SN/A#include <machine/stdarg.h> 45285SN/A#include <machine/resource.h> 46285SN/A#include <machine/bus.h> 47285SN/A#include <sys/rman.h> 48285SN/A#include <dev/pci/pcivar.h> 49285SN/A#include <dev/pci/pcireg.h> 50285SN/A#include <dev/ata/ata-all.h> 51285SN/A#include <dev/ata/ata-pci.h> 52285SN/A#include <ata_if.h> 53285SN/A 54285SN/A/* local prototypes */ 55285SN/Astatic int ata_national_chipinit(device_t dev); 56285SN/Astatic int ata_national_ch_attach(device_t dev); 57285SN/Astatic int ata_national_setmode(device_t dev, int target, int mode); 58285SN/A 59/* 60 * National chipset support functions 61 */ 62static int 63ata_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 (BUS_PROBE_DEFAULT); 72 } 73 return ENXIO; 74} 75 76static int 77ata_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->ch_attach = ata_national_ch_attach; 85 ctlr->setmode = ata_national_setmode; 86 return 0; 87} 88 89static int 90ata_national_ch_attach(device_t dev) 91{ 92 struct ata_channel *ch = device_get_softc(dev); 93 94 ch->dma.alignment = 16; 95 ch->dma.max_iosize = 64 * DEV_BSIZE; 96 return (ata_pci_ch_attach(dev)); 97} 98 99static int 100ata_national_setmode(device_t dev, int target, int mode) 101{ 102 device_t parent = device_get_parent(dev); 103 struct ata_channel *ch = device_get_softc(dev); 104 int devno = (ch->unit << 1) + target; 105 int piomode; 106 u_int32_t piotiming[] = 107 { 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010, 108 0x9172d132, 0x20102010, 0x00100010 }; 109 u_int32_t dmatiming[] = { 0x80077771, 0x80012121, 0x80002020 }; 110 u_int32_t udmatiming[] = { 0x80921250, 0x80911140, 0x80911030 }; 111 112 mode = min(mode, ATA_UDMA2); 113 114 if (mode >= ATA_UDMA0) { 115 pci_write_config(parent, 0x44 + (devno << 3), 116 udmatiming[mode & ATA_MODE_MASK], 4); 117 piomode = ATA_PIO4; 118 } else if (mode >= ATA_WDMA0) { 119 pci_write_config(parent, 0x44 + (devno << 3), 120 dmatiming[mode & ATA_MODE_MASK], 4); 121 piomode = mode; 122 } else { 123 pci_write_config(parent, 0x44 + (devno << 3), 124 pci_read_config(parent, 0x44 + (devno << 3), 4) | 125 0x80000000, 4); 126 piomode = mode; 127 } 128 pci_write_config(parent, 0x40 + (devno << 3), 129 piotiming[ata_mode2idx(piomode)], 4); 130 return (mode); 131} 132 133ATA_DECLARE_DRIVER(ata_national); 134