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mpt_pci.c revision 1.13
      1 /*	$NetBSD: mpt_pci.c,v 1.13 2008/01/03 18:16:20 tron Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2003 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed for the NetBSD Project by
     20  *	Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 /*
     39  * Additional contributions by Garrett D'Amore on behalf of TELES AG.
     40  */
     41 
     42 /*
     43  * mpt_pci.c:
     44  *
     45  * NetBSD PCI-specific routines for LSI Fusion adapters.
     46  */
     47 
     48 #include <sys/cdefs.h>
     49 __KERNEL_RCSID(0, "$NetBSD: mpt_pci.c,v 1.13 2008/01/03 18:16:20 tron Exp $");
     50 
     51 #include <dev/ic/mpt.h>			/* pulls in all headers */
     52 
     53 #include <dev/pci/pcireg.h>
     54 #include <dev/pci/pcivar.h>
     55 #include <dev/pci/pcidevs.h>
     56 
     57 #define	MPT_PCI_MMBA		(PCI_MAPREG_START+0x04)
     58 
     59 struct mpt_pci_softc {
     60 	mpt_softc_t sc_mpt;
     61 
     62 	pci_chipset_tag_t sc_pc;
     63 	pcitag_t sc_tag;
     64 
     65 	void *sc_ih;
     66 
     67 	/* Saved volatile PCI configuration registers. */
     68 	pcireg_t sc_pci_csr;
     69 	pcireg_t sc_pci_bhlc;
     70 	pcireg_t sc_pci_io_bar;
     71 	pcireg_t sc_pci_mem0_bar[2];
     72 	pcireg_t sc_pci_mem1_bar[2];
     73 	pcireg_t sc_pci_rom_bar;
     74 	pcireg_t sc_pci_int;
     75 	pcireg_t sc_pci_pmcsr;
     76 };
     77 
     78 #define	MPP_F_FC	0x01	/* Fibre Channel adapter */
     79 #define	MPP_F_DUAL	0x02	/* Dual port adapter */
     80 
     81 static const struct mpt_pci_product {
     82 	pci_vendor_id_t		mpp_vendor;
     83 	pci_product_id_t	mpp_product;
     84 } mpt_pci_products[] = {
     85 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_1030 },
     86 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC909 },
     87 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC909A },
     88 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC929 },
     89 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC929_1 },
     90 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC919 },
     91 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC919_1},
     92 	{ PCI_VENDOR_SYMBIOS,   PCI_PRODUCT_SYMBIOS_FC929X },
     93 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC919X },
     94 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC929X },
     95 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC939X },
     96 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_FC949X },
     97 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1064 },
     98 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1064A },
     99 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1064E },
    100 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1064E_2 },
    101 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1066 },
    102 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1066E },
    103 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1068 },
    104 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1068_2 },
    105 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1078 },
    106 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1068E },
    107 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_SAS1068E_2 },
    108 	{ 0,			0 }
    109 };
    110 
    111 static int
    112 mpt_pci_match(struct device *parent, struct cfdata *cf, void *aux)
    113 {
    114 	struct pci_attach_args *pa = aux;
    115 	const struct mpt_pci_product *mpp;
    116 
    117 	for (mpp = mpt_pci_products; mpp->mpp_vendor != 0; mpp++) {
    118 		if (PCI_VENDOR(pa->pa_id) == mpp->mpp_vendor &&
    119 		    PCI_PRODUCT(pa->pa_id) == mpp->mpp_product)
    120 			return (1);
    121 	}
    122 
    123 	return (0);
    124 }
    125 
    126 static void
    127 mpt_pci_attach(struct device *parent, struct device *self, void *aux)
    128 {
    129 	struct mpt_pci_softc *psc = (void *) self;
    130 	mpt_softc_t *mpt = &psc->sc_mpt;
    131 	struct pci_attach_args *pa = aux;
    132 	pci_intr_handle_t ih;
    133 	const char *intrstr;
    134 	pcireg_t reg, memtype;
    135 	bus_space_tag_t memt;
    136 	bus_space_handle_t memh;
    137 	int memh_valid;
    138 	char devinfo[200];
    139 
    140 	pci_devinfo(pa->pa_id, 0, 0, devinfo, sizeof (devinfo));
    141 
    142 	aprint_naive("\n");
    143 	aprint_normal(": %s\n", devinfo);
    144 
    145 	psc->sc_pc = pa->pa_pc;
    146 	psc->sc_tag = pa->pa_tag;
    147 
    148 	mpt->sc_dmat = pa->pa_dmat;
    149 
    150 	/*
    151 	 * Map the device.
    152 	 */
    153 	memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, MPT_PCI_MMBA);
    154 	switch (memtype) {
    155 	case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT:
    156 	case PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_64BIT:
    157 		memh_valid = (pci_mapreg_map(pa, MPT_PCI_MMBA,
    158 		    memtype, 0, &memt, &memh, NULL, NULL) == 0);
    159 		break;
    160 
    161 	default:
    162 		memh_valid = 0;
    163 	}
    164 
    165 	if (memh_valid) {
    166 		mpt->sc_st = memt;
    167 		mpt->sc_sh = memh;
    168 	} else {
    169 		aprint_error("%s: unable to map device registers\n",
    170 		    mpt->sc_dev.dv_xname);
    171 		return;
    172 	}
    173 
    174 	/*
    175 	 * Make sure the PCI command register is properly configured.
    176 	 */
    177 	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
    178 	reg |= PCI_COMMAND_MASTER_ENABLE;
    179 	/* XXX PCI_COMMAND_INVALIDATE_ENABLE */
    180 	/* XXX PCI_COMMAND_PARITY_ENABLE */
    181 	/* XXX PCI_COMMAND_SERR_ENABLE */
    182 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
    183 
    184 	/*
    185 	 * Disable split transactions on the 53c1020 and 53c1030 for
    186 	 * revisions older than 8.
    187 	 */
    188 	if ((PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_SYMBIOS_1030) &&
    189 	    (PCI_REVISION(pa->pa_class) < 0x08)) {
    190 		aprint_normal("%s: applying 1030 quirk\n",
    191 		    mpt->sc_dev.dv_xname);
    192 		reg = pci_conf_read(pa->pa_pc, pa->pa_tag, 0x6a);
    193 		reg &= 0x8f;
    194 		pci_conf_write(pa->pa_pc, pa->pa_tag, 0x6a, reg);
    195 	}
    196 
    197 	/*
    198 	 * Ensure that the ROM is disabled.
    199 	 */
    200 	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM);
    201 	reg &= ~1;
    202 	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM, reg);
    203 
    204 	/*
    205 	 * Map and establish our interrupt.
    206 	 */
    207 	if (pci_intr_map(pa, &ih) != 0) {
    208 		aprint_error("%s: unable to map interrupt\n",
    209 		    mpt->sc_dev.dv_xname);
    210 		return;
    211 	}
    212 	intrstr = pci_intr_string(pa->pa_pc, ih);
    213 	psc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, mpt_intr, mpt);
    214 	if (psc->sc_ih == NULL) {
    215 		aprint_error("%s: unable to establish interrupt",
    216 		    mpt->sc_dev.dv_xname);
    217 		if (intrstr != NULL)
    218 			aprint_normal(" at %s", intrstr);
    219 		aprint_normal("\n");
    220 		return;
    221 	}
    222 	aprint_normal("%s: interrupting at %s\n", mpt->sc_dev.dv_xname,
    223 	    intrstr);
    224 
    225 	/* Disable interrupts on the part. */
    226 	mpt_disable_ints(mpt);
    227 
    228 	/* Allocate DMA memory. */
    229 	if (mpt_dma_mem_alloc(mpt) != 0) {
    230 		aprint_error("%s: unable to allocate DMA memory\n",
    231 		    mpt->sc_dev.dv_xname);
    232 		return;
    233 	}
    234 
    235 	/* Initialize the hardware. */
    236 	if (mpt_init(mpt, MPT_DB_INIT_HOST) != 0) {
    237 		/* Error message already printed. */
    238 		return;
    239 	}
    240 
    241 	/* Attach to scsipi. */
    242 	mpt_scsipi_attach(mpt);
    243 }
    244 
    245 CFATTACH_DECL(mpt_pci, sizeof(struct mpt_pci_softc),
    246     mpt_pci_match, mpt_pci_attach, NULL, NULL);
    247 
    248