1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer, 12 * without modification, immediately at the beginning of the file. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/module.h> 34 #include <sys/systm.h> 35 #include <sys/kernel.h> 36 #include <sys/ata.h> 37 #include <sys/bus.h> 38 #include <sys/endian.h> 39 #include <sys/malloc.h> 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 #include <sys/sema.h> 43 #include <sys/taskqueue.h> 44 #include <vm/uma.h> 45 #include <machine/stdarg.h> 46 #include <machine/resource.h> 47 #include <machine/bus.h> 48 #include <sys/rman.h> 49 #include <dev/pci/pcivar.h> 50 #include <dev/pci/pcireg.h> 51 #include <dev/ata/ata-all.h> 52 #include <dev/ata/ata-pci.h> 53 #include <ata_if.h> 54 55 /* local prototypes */ 56 static int ata_marvell_chipinit(device_t dev); 57 static int ata_marvell_ch_attach(device_t dev); 58 static int ata_marvell_setmode(device_t dev, int target, int mode); 59 static int ata_marvell_dummy_chipinit(device_t dev); 60 61 /* misc defines */ 62 #define MV_61XX 61 63 #define MV_91XX 91 64 65 /* 66 * Marvell chipset support functions 67 */ 68 #define ATA_MV_HOST_BASE(ch) \ 69 ((ch->unit & 3) * 0x0100) + (ch->unit > 3 ? 0x30000 : 0x20000) 70 #define ATA_MV_EDMA_BASE(ch) \ 71 ((ch->unit & 3) * 0x2000) + (ch->unit > 3 ? 0x30000 : 0x20000) 72 73 struct ata_marvell_response { 74 u_int16_t tag; 75 u_int8_t edma_status; 76 u_int8_t dev_status; 77 u_int32_t timestamp; 78 }; 79 80 struct ata_marvell_dma_prdentry { 81 u_int32_t addrlo; 82 u_int32_t count; 83 u_int32_t addrhi; 84 u_int32_t reserved; 85 }; 86 87 static int 88 ata_marvell_probe(device_t dev) 89 { 90 struct ata_pci_controller *ctlr = device_get_softc(dev); 91 static const struct ata_chip_id ids[] = 92 {{ ATA_M88SE6101, 0, 0, MV_61XX, ATA_UDMA6, "88SE6101" }, 93 { ATA_M88SE6102, 0, 0, MV_61XX, ATA_UDMA6, "88SE6102" }, 94 { ATA_M88SE6111, 0, 1, MV_61XX, ATA_UDMA6, "88SE6111" }, 95 { ATA_M88SE6121, 0, 2, MV_61XX, ATA_UDMA6, "88SE6121" }, 96 { ATA_M88SE6141, 0, 4, MV_61XX, ATA_UDMA6, "88SE6141" }, 97 { ATA_M88SE6145, 0, 4, MV_61XX, ATA_UDMA6, "88SE6145" }, 98 { 0x91a41b4b, 0, 0, MV_91XX, ATA_UDMA6, "88SE912x" }, 99 { 0, 0, 0, 0, 0, 0}}; 100 101 if (pci_get_vendor(dev) != ATA_MARVELL_ID && 102 pci_get_vendor(dev) != ATA_MARVELL2_ID) 103 return ENXIO; 104 105 if (!(ctlr->chip = ata_match_chip(dev, ids))) 106 return ENXIO; 107 108 ata_set_desc(dev); 109 110 switch (ctlr->chip->cfg2) { 111 case MV_61XX: 112 ctlr->chipinit = ata_marvell_chipinit; 113 break; 114 case MV_91XX: 115 ctlr->chipinit = ata_marvell_dummy_chipinit; 116 break; 117 } 118 return (BUS_PROBE_LOW_PRIORITY); 119 } 120 121 static int 122 ata_marvell_chipinit(device_t dev) 123 { 124 struct ata_pci_controller *ctlr = device_get_softc(dev); 125 device_t child; 126 127 if (ata_setup_interrupt(dev, ata_generic_intr)) 128 return ENXIO; 129 /* Create AHCI subdevice if AHCI part present. */ 130 if (ctlr->chip->cfg1) { 131 child = device_add_child(dev, NULL, -1); 132 if (child != NULL) { 133 device_set_ivars(child, (void *)(intptr_t)-1); 134 bus_generic_attach(dev); 135 } 136 } 137 ctlr->ch_attach = ata_marvell_ch_attach; 138 ctlr->ch_detach = ata_pci_ch_detach; 139 ctlr->reset = ata_generic_reset; 140 ctlr->setmode = ata_marvell_setmode; 141 ctlr->channels = 1; 142 return (0); 143 } 144 145 static int 146 ata_marvell_ch_attach(device_t dev) 147 { 148 struct ata_channel *ch = device_get_softc(dev); 149 int error; 150 151 error = ata_pci_ch_attach(dev); 152 /* dont use 32 bit PIO transfers */ 153 ch->flags |= ATA_USE_16BIT; 154 ch->flags |= ATA_CHECKS_CABLE; 155 return (error); 156 } 157 158 static int 159 ata_marvell_setmode(device_t dev, int target, int mode) 160 { 161 struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev)); 162 struct ata_channel *ch = device_get_softc(dev); 163 164 mode = min(mode, ctlr->chip->max_dma); 165 /* Check for 80pin cable present. */ 166 if (ata_dma_check_80pin && mode > ATA_UDMA2 && 167 ATA_IDX_INB(ch, ATA_BMDEVSPEC_0) & 0x01) { 168 ata_print_cable(dev, "controller"); 169 mode = ATA_UDMA2; 170 } 171 /* Nothing to do to setup mode, the controller snoop SET_FEATURE cmd. */ 172 return (mode); 173 } 174 175 static int 176 ata_marvell_dummy_chipinit(device_t dev) 177 { 178 struct ata_pci_controller *ctlr = device_get_softc(dev); 179 180 ctlr->channels = 0; 181 return (0); 182 } 183 184 ATA_DECLARE_DRIVER(ata_marvell); 185