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sbobio.c revision 1.8
      1 /* $NetBSD: sbobio.c,v 1.8 2003/01/01 01:48:55 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 <machine/locore.h>
     41 #include <mips/sibyte/include/sb1250_regs.h>
     42 #include <mips/sibyte/include/sb1250_scd.h>
     43 #include <mips/sibyte/include/zbbusvar.h>
     44 #include <mips/sibyte/dev/sbobiovar.h>
     45 
     46 #include "locators.h"
     47 
     48 static int	sbobio_match(struct device *, struct cfdata *, void *);
     49 static void	sbobio_attach(struct device *, struct device *, void *);
     50 
     51 CFATTACH_DECL(sbobio, sizeof(struct device),
     52     sbobio_match, sbobio_attach, NULL, NULL);
     53 
     54 static int	sbobio_print(void *, const char *);
     55 static int	sbobio_submatch(struct device *, struct cfdata *, void *);
     56 static const char *sbobio_device_type_name(enum sbobio_device_type type);
     57 
     58 static const struct sbobio_attach_locs sb1250_rev1_sbobio_devs[] = {
     59 	{ 0x0000, {6,-1},	SBOBIO_DEVTYPE_SMBUS		},
     60 	{ 0x0008, {7,-1},	SBOBIO_DEVTYPE_SMBUS		},
     61 	{ 0x0100, {8,9},	SBOBIO_DEVTYPE_DUART		},
     62 	{ 0x0400, {10,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     63 	{ 0x0800, {11,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     64 #if 0
     65 	{ 0x1000, {-1,-1},	SBOBIO_DEVTYPE_GBUS,		}, /* XXXCGD ??? */
     66 #endif
     67 	{ 0x4000, {19,-1},	SBOBIO_DEVTYPE_MAC,		},
     68 	{ 0x5000, {20,-1},	SBOBIO_DEVTYPE_MAC,		},
     69 	{ 0x6000, {21,-1},	SBOBIO_DEVTYPE_MAC,		},
     70 };
     71 static const int sb1250_rev1_sbobio_dev_count =
     72     sizeof sb1250_rev1_sbobio_devs / sizeof sb1250_rev1_sbobio_devs[0];
     73 
     74 static const struct sbobio_attach_locs sb1250_sbobio_devs[] = {
     75 	{ 0x0000, {6,-1},	SBOBIO_DEVTYPE_SMBUS		},
     76 	{ 0x0008, {7,-1},	SBOBIO_DEVTYPE_SMBUS		},
     77 	{ 0x0100, {8,9},	SBOBIO_DEVTYPE_DUART		},
     78 	{ 0x0400, {10,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     79 	{ 0x0800, {11,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     80 #if 0
     81 	{ 0x1000, {-1,-1},	SBOBIO_DEVTYPE_GBUS,		}, /* XXXCGD ??? */
     82 #endif
     83 	{ 0x4000, {19,61},	SBOBIO_DEVTYPE_MAC,		},
     84 	{ 0x5000, {20,62},	SBOBIO_DEVTYPE_MAC,		},
     85 	{ 0x6000, {21,63},	SBOBIO_DEVTYPE_MAC,		},
     86 };
     87 static const int sb1250_sbobio_dev_count =
     88     sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0];
     89 
     90 static const struct sbobio_attach_locs sb112x_sbobio_devs[] = {
     91 	{ 0x0000, {6,-1},	SBOBIO_DEVTYPE_SMBUS		},
     92 	{ 0x0008, {7,-1},	SBOBIO_DEVTYPE_SMBUS		},
     93 	{ 0x0100, {8,9},	SBOBIO_DEVTYPE_DUART		},
     94 	{ 0x0400, {10,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     95 	{ 0x0800, {11,-1},	SBOBIO_DEVTYPE_SYNCSERIAL	},
     96 #if 0
     97 	{ 0x1000, {-1,-1},	SBOBIO_DEVTYPE_GBUS,		}, /* XXXCGD ??? */
     98 #endif
     99 	{ 0x4000, {19,61},	SBOBIO_DEVTYPE_MAC,		},
    100 	{ 0x5000, {20,62},	SBOBIO_DEVTYPE_MAC,		},
    101 };
    102 static const int sb112x_sbobio_dev_count =
    103     sizeof sb112x_sbobio_devs / sizeof sb112x_sbobio_devs[0];
    104 
    105 static int
    106 sbobio_match(struct device *parent, struct cfdata *match, void *aux)
    107 {
    108 	struct zbbus_attach_args *zap = aux;
    109 	uint64_t sysrev;
    110 
    111 	if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO)
    112 		return (0);
    113 
    114 	sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION));
    115 	switch (SYS_SOC_TYPE(sysrev)) {
    116 	case K_SYS_SOC_TYPE_BCM1120:
    117 	case K_SYS_SOC_TYPE_BCM1125:
    118 	case K_SYS_SOC_TYPE_BCM1125H:
    119 	case K_SYS_SOC_TYPE_BCM1250:
    120 		break;
    121 
    122 	default:
    123 		return 0;
    124 	}
    125 
    126 	return 1;
    127 }
    128 
    129 static void
    130 sbobio_attach(struct device *parent, struct device *self, void *aux)
    131 {
    132 	struct sbobio_attach_args sa;
    133 	const char *dscr;
    134 	const struct sbobio_attach_locs *devs;
    135 	uint64_t sysrev;
    136 	int i, devcount;
    137 
    138 	sysrev = mips3_ld((u_int64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION));
    139 	switch (SYS_SOC_TYPE(sysrev)) {
    140 	case K_SYS_SOC_TYPE_BCM1120:
    141 	case K_SYS_SOC_TYPE_BCM1125:
    142 	case K_SYS_SOC_TYPE_BCM1125H:
    143 		dscr = "BCM112x";
    144 		devs = sb112x_sbobio_devs;
    145 		devcount = sb112x_sbobio_dev_count;
    146 		break;
    147 
    148 	case K_SYS_SOC_TYPE_BCM1250:
    149 		if (G_SYS_REVISION(sysrev) >= K_SYS_REVISION_BCM1250_PASS2) {
    150 			dscr = "BCM1250 (rev2 and later)";
    151 			devs = sb1250_sbobio_devs;
    152 			devcount = sb1250_sbobio_dev_count;
    153 		} else {
    154 			dscr = "BCM1250 rev1";
    155 			devs = sb1250_rev1_sbobio_devs;
    156 			devcount = sb1250_rev1_sbobio_dev_count;
    157 		}
    158 		break;
    159 #ifdef DIAGNOSTIC
    160 	default:
    161 		panic("un-matched in sbobio_attach");
    162 		break;
    163 #endif
    164 	}
    165 
    166 	printf(": %s peripherals\n", dscr);
    167 
    168 	for (i = 0; i < devcount; i++) {
    169 		memset(&sa, 0, sizeof sa);
    170 		sa.sa_base = A_PHYS_IO_SYSTEM;
    171 		sa.sa_locs = devs[i];
    172 		config_found_sm(self, &sa, sbobio_print, sbobio_submatch);
    173 	}
    174 	return;
    175 }
    176 
    177 int
    178 sbobio_print(void *aux, const char *pnp)
    179 {
    180 	struct sbobio_attach_args *sap = aux;
    181 	int i;
    182 
    183 	if (pnp)
    184 		aprint_normal("%s at %s",
    185 		    sbobio_device_type_name(sap->sa_locs.sa_type), pnp);
    186 	aprint_normal(" offset 0x%lx", (long)sap->sa_locs.sa_offset);
    187 	for (i = 0; i < 2; i++) {
    188 		if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT)
    189 			aprint_normal("%s%ld", i == 0 ? " intr " : ",",
    190 			    (long)sap->sa_locs.sa_intr[i]);
    191 	}
    192 	return (UNCONF);
    193 }
    194 
    195 static int
    196 sbobio_submatch(struct device *parent, struct cfdata *cf, void *aux)
    197 {
    198 	struct sbobio_attach_args *sap = aux;
    199 	int i;
    200 
    201 	if (cf->cf_loc[SBOBIOCF_OFFSET] != SBOBIOCF_OFFSET_DEFAULT &&
    202 	    cf->cf_loc[SBOBIOCF_OFFSET] != sap->sa_locs.sa_offset)
    203 		return (0);
    204 
    205 	for (i = 0; i < 2; i++) {
    206 		if (cf->cf_loc[SBOBIOCF_INTR + i] != SBOBIOCF_INTR_DEFAULT &&
    207 		    cf->cf_loc[SBOBIOCF_INTR + i] != sap->sa_locs.sa_intr[i])
    208 			return (0);
    209 	}
    210 
    211 	return (config_match(parent, cf, aux));
    212 }
    213 
    214 static const char *
    215 sbobio_device_type_name(enum sbobio_device_type type)
    216 {
    217 
    218 	switch (type) {
    219 	case SBOBIO_DEVTYPE_SMBUS:
    220 		return ("sbsmbus");
    221 	case SBOBIO_DEVTYPE_DUART:
    222 		return ("sbscn");
    223 	case SBOBIO_DEVTYPE_SYNCSERIAL:
    224 		return ("sbsync");
    225 	case SBOBIO_DEVTYPE_GBUS:
    226 		return ("sbgbus");
    227 	case SBOBIO_DEVTYPE_MAC:
    228 		return ("sbmac");
    229 	}
    230 	panic("sbobio_device_type_name");
    231 	return ("panic");
    232 }
    233