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sbobio.c revision 1.3 
      1 /* $NetBSD: sbobio.c,v 1.3 2002/09/27 03:17:59 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright 2000, 2001
      5  * Broadcom Corporation. All rights reserved.
      6  *
      7  * This software is furnished under license and may be used and copied only
      8  * in accordance with the following terms and conditions.  Subject to these
      9  * conditions, you may download, copy, install, use, modify and distribute
     10  * modified or unmodified copies of this software in source and/or binary
     11  * form. No title or ownership is transferred hereby.
     12  *
     13  * 1) Any source code used, modified or distributed must reproduce and
     14  *    retain this copyright notice and list of conditions as they appear in
     15  *    the source file.
     16  *
     17  * 2) No right is granted to use any trade name, trademark, or logo of
     18  *    Broadcom Corporation. Neither the "Broadcom Corporation" name nor any
     19  *    trademark or logo of Broadcom Corporation may be used to endorse or
     20  *    promote products derived from this software without the prior written
     21  *    permission of Broadcom Corporation.
     22  *
     23  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
     24  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
     25  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
     26  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
     27  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
     28  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     31  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     32  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     33  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/param.h>
     37 #include <sys/device.h>
     38 #include <sys/systm.h>
     39 
     40 #include <mips/sibyte/include/sb1250_regs.h>
     41 #include <mips/sibyte/include/zbbusvar.h>
     42 #include <mips/sibyte/dev/sbobiovar.h>
     43 
     44 #include "locators.h"
     45 
     46 static int	sbobio_match(struct device *, struct cfdata *, void *);
     47 static void	sbobio_attach(struct device *, struct device *, void *);
     48 
     49 struct cfattach sbobio_ca = {
     50 	sizeof(struct device), sbobio_match, sbobio_attach
     51 };
     52 
     53 static int	sbobio_print(void *, const char *);
     54 static int	sbobio_submatch(struct device *, struct cfdata *, void *);
     55 static const char *sbobio_device_type_name(enum sbobio_device_type type);
     56 
     57 static const struct sbobio_attach_locs sb1250_sbobio_devs[] = {
     58 	{ 0x0000, {6,-1},	SBOBIO_DEVTYPE_SMBUS		},
     59 	{ 0x0008, {7,-1},	SBOBIO_DEVTYPE_SMBUS		},
     60 	{ 0x0100, {8,9},	SBOBIO_DEVTYPE_DUART		},
     61 	{ 0x0400, {10,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     62 	{ 0x0800, {11,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     63 #if 0
     64 	{ 0x1000, {-1,-1},	SBOBIO_DEVTYPE_GBUS,		}, /* XXXCGD ??? */
     65 #endif
     66 	{ 0x4000, {19,-1},	SBOBIO_DEVTYPE_MAC,		},
     67 	{ 0x5000, {20,-1},	SBOBIO_DEVTYPE_MAC,		},
     68 	{ 0x6000, {21,-1},	SBOBIO_DEVTYPE_MAC,		},
     69 };
     70 static const int sb1250_sbobio_dev_count =
     71     sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0];
     72 
     73 static int
     74 sbobio_match(struct device *parent, struct cfdata *match, void *aux)
     75 {
     76 	struct zbbus_attach_args *zap = aux;
     77 
     78 	if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO)
     79 		return (0);
     80 
     81 	return 1;
     82 }
     83 
     84 static void
     85 sbobio_attach(struct device *parent, struct device *self, void *aux)
     86 {
     87 	struct sbobio_attach_args sa;
     88 	int i;
     89 
     90 	printf("\n");
     91 
     92 	for (i = 0; i < sb1250_sbobio_dev_count; i++) {
     93 		memset(&sa, 0, sizeof sa);
     94 		sa.sa_base = A_PHYS_IO_SYSTEM;
     95 		sa.sa_locs = sb1250_sbobio_devs[i];
     96 		config_found_sm(self, &sa, sbobio_print, sbobio_submatch);
     97 	}
     98 	return;
     99 }
    100 
    101 int
    102 sbobio_print(void *aux, const char *pnp)
    103 {
    104 	struct sbobio_attach_args *sap = aux;
    105 	int i;
    106 
    107 	if (pnp)
    108 		printf("%s at %s",
    109 		    sbobio_device_type_name(sap->sa_locs.sa_type), pnp);
    110 	printf(" offset 0x%lx", (long)sap->sa_locs.sa_offset);
    111 	for (i = 0; i < 2; i++) {
    112 		if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT)
    113 			printf("%s%ld", i == 0 ? " intr " : ",",
    114 			    (long)sap->sa_locs.sa_intr[i]);
    115 	}
    116 	return (UNCONF);
    117 }
    118 
    119 static int
    120 sbobio_submatch(struct device *parent, struct cfdata *cf, void *aux)
    121 {
    122 	struct sbobio_attach_args *sap = aux;
    123 	int i;
    124 
    125 	if (cf->cf_loc[SBOBIOCF_OFFSET] != SBOBIOCF_OFFSET_DEFAULT &&
    126 	    cf->cf_loc[SBOBIOCF_OFFSET] != sap->sa_locs.sa_offset)
    127 		return (0);
    128 
    129 	for (i = 0; i < 2; i++) {
    130 		if (cf->cf_loc[SBOBIOCF_INTR + i] != SBOBIOCF_INTR_DEFAULT &&
    131 		    cf->cf_loc[SBOBIOCF_INTR + i] != sap->sa_locs.sa_intr[i])
    132 			return (0);
    133 	}
    134 
    135 	return (config_match(parent, cf, aux));
    136 }
    137 
    138 static const char *
    139 sbobio_device_type_name(enum sbobio_device_type type)
    140 {
    141 
    142 	switch (type) {
    143 	case SBOBIO_DEVTYPE_SMBUS:
    144 		return ("sbsmbus");
    145 	case SBOBIO_DEVTYPE_DUART:
    146 		return ("sbscn");
    147 	case SBOBIO_DEVTYPE_SYNCSERIAL:
    148 		return ("sbsync");
    149 	case SBOBIO_DEVTYPE_GBUS:
    150 		return ("sbgbus");
    151 	case SBOBIO_DEVTYPE_MAC:
    152 		return ("sbmac");
    153 	}
    154 	panic("sbobio_device_type_name");
    155 	return ("panic");
    156 }
    157