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sbobio.c revision 1.2.2.3
      1  1.2.2.3  jdolecek /* $NetBSD: sbobio.c,v 1.2.2.3 2002/10/10 18:34:08 jdolecek Exp $ */
      2  1.2.2.2  jdolecek 
      3  1.2.2.2  jdolecek /*
      4  1.2.2.2  jdolecek  * Copyright 2000, 2001
      5  1.2.2.2  jdolecek  * Broadcom Corporation. All rights reserved.
      6  1.2.2.2  jdolecek  *
      7  1.2.2.2  jdolecek  * This software is furnished under license and may be used and copied only
      8  1.2.2.2  jdolecek  * in accordance with the following terms and conditions.  Subject to these
      9  1.2.2.2  jdolecek  * conditions, you may download, copy, install, use, modify and distribute
     10  1.2.2.2  jdolecek  * modified or unmodified copies of this software in source and/or binary
     11  1.2.2.2  jdolecek  * form. No title or ownership is transferred hereby.
     12  1.2.2.2  jdolecek  *
     13  1.2.2.2  jdolecek  * 1) Any source code used, modified or distributed must reproduce and
     14  1.2.2.2  jdolecek  *    retain this copyright notice and list of conditions as they appear in
     15  1.2.2.2  jdolecek  *    the source file.
     16  1.2.2.2  jdolecek  *
     17  1.2.2.2  jdolecek  * 2) No right is granted to use any trade name, trademark, or logo of
     18  1.2.2.2  jdolecek  *    Broadcom Corporation. Neither the "Broadcom Corporation" name nor any
     19  1.2.2.2  jdolecek  *    trademark or logo of Broadcom Corporation may be used to endorse or
     20  1.2.2.2  jdolecek  *    promote products derived from this software without the prior written
     21  1.2.2.2  jdolecek  *    permission of Broadcom Corporation.
     22  1.2.2.2  jdolecek  *
     23  1.2.2.2  jdolecek  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
     24  1.2.2.2  jdolecek  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
     25  1.2.2.2  jdolecek  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
     26  1.2.2.2  jdolecek  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
     27  1.2.2.2  jdolecek  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
     28  1.2.2.2  jdolecek  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  1.2.2.2  jdolecek  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  1.2.2.2  jdolecek  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     31  1.2.2.2  jdolecek  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     32  1.2.2.2  jdolecek  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     33  1.2.2.2  jdolecek  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34  1.2.2.2  jdolecek  */
     35  1.2.2.2  jdolecek 
     36  1.2.2.2  jdolecek #include <sys/param.h>
     37  1.2.2.2  jdolecek #include <sys/device.h>
     38  1.2.2.2  jdolecek #include <sys/systm.h>
     39  1.2.2.2  jdolecek 
     40  1.2.2.2  jdolecek #include <mips/sibyte/include/sb1250_regs.h>
     41  1.2.2.2  jdolecek #include <mips/sibyte/include/zbbusvar.h>
     42  1.2.2.2  jdolecek #include <mips/sibyte/dev/sbobiovar.h>
     43  1.2.2.2  jdolecek 
     44  1.2.2.2  jdolecek #include "locators.h"
     45  1.2.2.2  jdolecek 
     46  1.2.2.2  jdolecek static int	sbobio_match(struct device *, struct cfdata *, void *);
     47  1.2.2.2  jdolecek static void	sbobio_attach(struct device *, struct device *, void *);
     48  1.2.2.2  jdolecek 
     49  1.2.2.3  jdolecek CFATTACH_DECL(sbobio, sizeof(struct device),
     50  1.2.2.3  jdolecek     sbobio_match, sbobio_attach, NULL, NULL);
     51  1.2.2.2  jdolecek 
     52  1.2.2.2  jdolecek static int	sbobio_print(void *, const char *);
     53  1.2.2.2  jdolecek static int	sbobio_submatch(struct device *, struct cfdata *, void *);
     54  1.2.2.2  jdolecek static const char *sbobio_device_type_name(enum sbobio_device_type type);
     55  1.2.2.2  jdolecek 
     56  1.2.2.2  jdolecek static const struct sbobio_attach_locs sb1250_sbobio_devs[] = {
     57  1.2.2.2  jdolecek 	{ 0x0000, {6,-1},	SBOBIO_DEVTYPE_SMBUS		},
     58  1.2.2.2  jdolecek 	{ 0x0008, {7,-1},	SBOBIO_DEVTYPE_SMBUS		},
     59  1.2.2.2  jdolecek 	{ 0x0100, {8,9},	SBOBIO_DEVTYPE_DUART		},
     60  1.2.2.2  jdolecek 	{ 0x0400, {10,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     61  1.2.2.2  jdolecek 	{ 0x0800, {11,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     62  1.2.2.2  jdolecek #if 0
     63  1.2.2.2  jdolecek 	{ 0x1000, {-1,-1},	SBOBIO_DEVTYPE_GBUS,		}, /* XXXCGD ??? */
     64  1.2.2.2  jdolecek #endif
     65  1.2.2.2  jdolecek 	{ 0x4000, {19,-1},	SBOBIO_DEVTYPE_MAC,		},
     66  1.2.2.2  jdolecek 	{ 0x5000, {20,-1},	SBOBIO_DEVTYPE_MAC,		},
     67  1.2.2.2  jdolecek 	{ 0x6000, {21,-1},	SBOBIO_DEVTYPE_MAC,		},
     68  1.2.2.2  jdolecek };
     69  1.2.2.2  jdolecek static const int sb1250_sbobio_dev_count =
     70  1.2.2.2  jdolecek     sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0];
     71  1.2.2.2  jdolecek 
     72  1.2.2.2  jdolecek static int
     73  1.2.2.2  jdolecek sbobio_match(struct device *parent, struct cfdata *match, void *aux)
     74  1.2.2.2  jdolecek {
     75  1.2.2.2  jdolecek 	struct zbbus_attach_args *zap = aux;
     76  1.2.2.2  jdolecek 
     77  1.2.2.2  jdolecek 	if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO)
     78  1.2.2.2  jdolecek 		return (0);
     79  1.2.2.2  jdolecek 
     80  1.2.2.2  jdolecek 	return 1;
     81  1.2.2.2  jdolecek }
     82  1.2.2.2  jdolecek 
     83  1.2.2.2  jdolecek static void
     84  1.2.2.2  jdolecek sbobio_attach(struct device *parent, struct device *self, void *aux)
     85  1.2.2.2  jdolecek {
     86  1.2.2.2  jdolecek 	struct sbobio_attach_args sa;
     87  1.2.2.2  jdolecek 	int i;
     88  1.2.2.2  jdolecek 
     89  1.2.2.2  jdolecek 	printf("\n");
     90  1.2.2.2  jdolecek 
     91  1.2.2.2  jdolecek 	for (i = 0; i < sb1250_sbobio_dev_count; i++) {
     92  1.2.2.2  jdolecek 		memset(&sa, 0, sizeof sa);
     93  1.2.2.2  jdolecek 		sa.sa_base = A_PHYS_IO_SYSTEM;
     94  1.2.2.2  jdolecek 		sa.sa_locs = sb1250_sbobio_devs[i];
     95  1.2.2.2  jdolecek 		config_found_sm(self, &sa, sbobio_print, sbobio_submatch);
     96  1.2.2.2  jdolecek 	}
     97  1.2.2.2  jdolecek 	return;
     98  1.2.2.2  jdolecek }
     99  1.2.2.2  jdolecek 
    100  1.2.2.2  jdolecek int
    101  1.2.2.2  jdolecek sbobio_print(void *aux, const char *pnp)
    102  1.2.2.2  jdolecek {
    103  1.2.2.2  jdolecek 	struct sbobio_attach_args *sap = aux;
    104  1.2.2.2  jdolecek 	int i;
    105  1.2.2.2  jdolecek 
    106  1.2.2.2  jdolecek 	if (pnp)
    107  1.2.2.2  jdolecek 		printf("%s at %s",
    108  1.2.2.2  jdolecek 		    sbobio_device_type_name(sap->sa_locs.sa_type), pnp);
    109  1.2.2.2  jdolecek 	printf(" offset 0x%lx", (long)sap->sa_locs.sa_offset);
    110  1.2.2.2  jdolecek 	for (i = 0; i < 2; i++) {
    111  1.2.2.2  jdolecek 		if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT)
    112  1.2.2.2  jdolecek 			printf("%s%ld", i == 0 ? " intr " : ",",
    113  1.2.2.2  jdolecek 			    (long)sap->sa_locs.sa_intr[i]);
    114  1.2.2.2  jdolecek 	}
    115  1.2.2.2  jdolecek 	return (UNCONF);
    116  1.2.2.2  jdolecek }
    117  1.2.2.2  jdolecek 
    118  1.2.2.2  jdolecek static int
    119  1.2.2.2  jdolecek sbobio_submatch(struct device *parent, struct cfdata *cf, void *aux)
    120  1.2.2.2  jdolecek {
    121  1.2.2.2  jdolecek 	struct sbobio_attach_args *sap = aux;
    122  1.2.2.2  jdolecek 	int i;
    123  1.2.2.2  jdolecek 
    124  1.2.2.2  jdolecek 	if (cf->cf_loc[SBOBIOCF_OFFSET] != SBOBIOCF_OFFSET_DEFAULT &&
    125  1.2.2.2  jdolecek 	    cf->cf_loc[SBOBIOCF_OFFSET] != sap->sa_locs.sa_offset)
    126  1.2.2.2  jdolecek 		return (0);
    127  1.2.2.2  jdolecek 
    128  1.2.2.2  jdolecek 	for (i = 0; i < 2; i++) {
    129  1.2.2.2  jdolecek 		if (cf->cf_loc[SBOBIOCF_INTR + i] != SBOBIOCF_INTR_DEFAULT &&
    130  1.2.2.2  jdolecek 		    cf->cf_loc[SBOBIOCF_INTR + i] != sap->sa_locs.sa_intr[i])
    131  1.2.2.2  jdolecek 			return (0);
    132  1.2.2.2  jdolecek 	}
    133  1.2.2.2  jdolecek 
    134  1.2.2.3  jdolecek 	return (config_match(parent, cf, aux));
    135  1.2.2.2  jdolecek }
    136  1.2.2.2  jdolecek 
    137  1.2.2.2  jdolecek static const char *
    138  1.2.2.2  jdolecek sbobio_device_type_name(enum sbobio_device_type type)
    139  1.2.2.2  jdolecek {
    140  1.2.2.2  jdolecek 
    141  1.2.2.2  jdolecek 	switch (type) {
    142  1.2.2.2  jdolecek 	case SBOBIO_DEVTYPE_SMBUS:
    143  1.2.2.2  jdolecek 		return ("sbsmbus");
    144  1.2.2.2  jdolecek 	case SBOBIO_DEVTYPE_DUART:
    145  1.2.2.2  jdolecek 		return ("sbscn");
    146  1.2.2.2  jdolecek 	case SBOBIO_DEVTYPE_SYNCSERIAL:
    147  1.2.2.2  jdolecek 		return ("sbsync");
    148  1.2.2.2  jdolecek 	case SBOBIO_DEVTYPE_GBUS:
    149  1.2.2.2  jdolecek 		return ("sbgbus");
    150  1.2.2.2  jdolecek 	case SBOBIO_DEVTYPE_MAC:
    151  1.2.2.2  jdolecek 		return ("sbmac");
    152  1.2.2.2  jdolecek 	}
    153  1.2.2.2  jdolecek 	panic("sbobio_device_type_name");
    154  1.2.2.2  jdolecek 	return ("panic");
    155  1.2.2.2  jdolecek }
    156