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sbobio.c revision 1.18.4.1
      1  1.18.4.1     rmind /* $NetBSD: sbobio.c,v 1.18.4.1 2011/03/05 20:51:11 rmind Exp $ */
      2       1.1    simonb 
      3       1.1    simonb /*
      4       1.1    simonb  * Copyright 2000, 2001
      5       1.1    simonb  * Broadcom Corporation. All rights reserved.
      6       1.1    simonb  *
      7       1.1    simonb  * This software is furnished under license and may be used and copied only
      8       1.1    simonb  * in accordance with the following terms and conditions.  Subject to these
      9       1.1    simonb  * conditions, you may download, copy, install, use, modify and distribute
     10       1.1    simonb  * modified or unmodified copies of this software in source and/or binary
     11       1.1    simonb  * form. No title or ownership is transferred hereby.
     12       1.1    simonb  *
     13       1.1    simonb  * 1) Any source code used, modified or distributed must reproduce and
     14       1.1    simonb  *    retain this copyright notice and list of conditions as they appear in
     15       1.1    simonb  *    the source file.
     16       1.1    simonb  *
     17       1.1    simonb  * 2) No right is granted to use any trade name, trademark, or logo of
     18       1.9       cgd  *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
     19       1.9       cgd  *    used to endorse or promote products derived from this software
     20       1.9       cgd  *    without the prior written permission of Broadcom Corporation.
     21       1.1    simonb  *
     22       1.1    simonb  * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
     23       1.1    simonb  *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
     24       1.1    simonb  *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
     25       1.1    simonb  *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
     26       1.1    simonb  *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
     27       1.1    simonb  *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     28       1.1    simonb  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     29       1.1    simonb  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     30       1.1    simonb  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     31       1.1    simonb  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     32       1.1    simonb  *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33       1.1    simonb  */
     34      1.12     lukem 
     35      1.12     lukem #include <sys/cdefs.h>
     36  1.18.4.1     rmind __KERNEL_RCSID(0, "$NetBSD: sbobio.c,v 1.18.4.1 2011/03/05 20:51:11 rmind Exp $");
     37       1.1    simonb 
     38       1.1    simonb #include <sys/param.h>
     39       1.1    simonb #include <sys/device.h>
     40       1.1    simonb #include <sys/systm.h>
     41       1.1    simonb 
     42       1.7       cgd #include <machine/locore.h>
     43      1.17    simonb #include <mips/sibyte/include/sb1250_int.h>
     44       1.2    simonb #include <mips/sibyte/include/sb1250_regs.h>
     45       1.7       cgd #include <mips/sibyte/include/sb1250_scd.h>
     46       1.1    simonb #include <mips/sibyte/include/zbbusvar.h>
     47       1.1    simonb #include <mips/sibyte/dev/sbobiovar.h>
     48       1.1    simonb 
     49       1.1    simonb #include "locators.h"
     50       1.1    simonb 
     51  1.18.4.1     rmind static int	sbobio_match(device_t, cfdata_t, void *);
     52  1.18.4.1     rmind static void	sbobio_attach(device_t, device_t, void *);
     53       1.1    simonb 
     54  1.18.4.1     rmind CFATTACH_DECL_NEW(sbobio, 0,
     55       1.6   thorpej     sbobio_match, sbobio_attach, NULL, NULL);
     56       1.1    simonb 
     57       1.1    simonb static int	sbobio_print(void *, const char *);
     58       1.1    simonb static const char *sbobio_device_type_name(enum sbobio_device_type type);
     59       1.1    simonb 
     60      1.17    simonb /*
     61      1.17    simonb  * XXXsimonb:
     62      1.17    simonb  *	DUART register addresses seem to offset by 0x100 for some
     63      1.17    simonb  *	reason I can't fathom so we just can't use A_DUART for the
     64      1.17    simonb  *	address of the DUART.  Eg,
     65      1.17    simonb  *		A_DUART_CHANREG(0, 0) = 0x0010060000
     66      1.17    simonb  *	   and	R_DUART_MODE_REG_1 = 0x100 (first reg in the duart)
     67      1.17    simonb  *	but the 1125/1250 manual says the DUART starts at
     68      1.17    simonb  *	0x0010060100.
     69      1.17    simonb  *	We define our own R_DUART_REGBASE to R_DUART_MODE_REG_1
     70      1.17    simonb  *	so that we can use a symbolic name to refer to the start
     71      1.17    simonb  *	of the duart register space.
     72      1.17    simonb  */
     73      1.17    simonb 
     74       1.7       cgd static const struct sbobio_attach_locs sb1250_rev1_sbobio_devs[] = {
     75      1.17    simonb 	{ A_SMB_0,
     76      1.17    simonb 	  { K_INT_SMB_0, -1 },
     77      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
     78      1.17    simonb 	{ A_SMB_1,
     79      1.17    simonb 	  { K_INT_SMB_1, -1 },
     80      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
     81      1.17    simonb 	{ A_DUART_CHANREG(0, R_DUART_REGBASE),
     82      1.17    simonb 	  { K_INT_UART_0, K_INT_UART_1 },
     83      1.17    simonb 	  SBOBIO_DEVTYPE_DUART },
     84      1.17    simonb 	{ A_SER_BASE_0,
     85      1.17    simonb 	  { K_INT_SER_0, -1 },
     86      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
     87      1.17    simonb 	{ A_SER_BASE_1,
     88      1.17    simonb 	  { K_INT_SER_1, -1 },
     89      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
     90       1.1    simonb #if 0
     91      1.17    simonb 	{ A_IO_EXT_BASE,
     92      1.17    simonb 	  { -1, -1 },
     93      1.17    simonb 	  SBOBIO_DEVTYPE_GBUS },
     94       1.1    simonb #endif
     95      1.17    simonb 	{ A_MAC_BASE_0,
     96      1.17    simonb 	  { K_INT_MAC_0, -1 },
     97      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
     98      1.17    simonb 	{ A_MAC_BASE_1,
     99      1.17    simonb 	  { K_INT_MAC_1, -1 },
    100      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    101      1.17    simonb 	{ A_MAC_BASE_2,
    102      1.17    simonb 	  { K_INT_MAC_2, -1 },
    103      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    104       1.1    simonb };
    105       1.7       cgd static const int sb1250_rev1_sbobio_dev_count =
    106       1.7       cgd     sizeof sb1250_rev1_sbobio_devs / sizeof sb1250_rev1_sbobio_devs[0];
    107       1.7       cgd 
    108       1.7       cgd static const struct sbobio_attach_locs sb1250_sbobio_devs[] = {
    109      1.17    simonb 	{ A_SMB_0,
    110      1.17    simonb 	  { K_INT_SMB_0, -1 },
    111      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
    112      1.17    simonb 	{ A_SMB_1,
    113      1.17    simonb 	  { K_INT_SMB_1, -1 },
    114      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
    115      1.17    simonb 	{ A_DUART_CHANREG(0, R_DUART_REGBASE),
    116      1.17    simonb 	  { K_INT_UART_0, K_INT_UART_1},
    117      1.17    simonb 	  SBOBIO_DEVTYPE_DUART },
    118      1.17    simonb 	{ A_SER_BASE_0,
    119      1.17    simonb 	  { K_INT_SER_0, -1 },
    120      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
    121      1.17    simonb 	{ A_SER_BASE_1,
    122      1.17    simonb 	  { K_INT_SER_1, -1 },
    123      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
    124       1.7       cgd #if 0
    125      1.17    simonb 	{ A_IO_EXT_BASE,
    126      1.17    simonb 	  { -1, -1 },
    127      1.17    simonb 	  SBOBIO_DEVTYPE_GBUS },
    128       1.7       cgd #endif
    129      1.17    simonb 	{ A_MAC_BASE_0,
    130      1.17    simonb 	  { K_INT_MAC_0, K_INT_MAC_0_CH1 },
    131      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    132      1.17    simonb 	{ A_MAC_BASE_1,
    133      1.17    simonb 	  { K_INT_MAC_1, K_INT_MAC_1_CH1 },
    134      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    135      1.17    simonb 	{ A_MAC_BASE_2,
    136      1.17    simonb 	  { K_INT_MAC_2, K_INT_MAC_2_CH1 },
    137      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    138       1.7       cgd };
    139       1.1    simonb static const int sb1250_sbobio_dev_count =
    140       1.1    simonb     sizeof sb1250_sbobio_devs / sizeof sb1250_sbobio_devs[0];
    141       1.1    simonb 
    142       1.7       cgd static const struct sbobio_attach_locs sb112x_sbobio_devs[] = {
    143      1.17    simonb 	{ A_SMB_0,
    144      1.17    simonb 	  { K_INT_SMB_0, -1 },
    145      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
    146      1.17    simonb 	{ A_SMB_1,
    147      1.17    simonb 	  { K_INT_SMB_1, -1 },
    148      1.17    simonb 	  SBOBIO_DEVTYPE_SMBUS },
    149      1.17    simonb 	{ A_DUART_CHANREG(0, R_DUART_REGBASE),
    150      1.17    simonb 	  { K_INT_UART_0, K_INT_UART_1 },
    151      1.17    simonb 	  SBOBIO_DEVTYPE_DUART },
    152      1.17    simonb 	{ A_SER_BASE_0,
    153      1.17    simonb 	  { K_INT_SER_0, -1 },
    154      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
    155      1.17    simonb 	{ A_SER_BASE_1,
    156      1.17    simonb 	  { K_INT_SER_1, -1 },
    157      1.17    simonb 	  SBOBIO_DEVTYPE_SYNCSERIAL },
    158       1.7       cgd #if 0
    159      1.17    simonb 	{ A_IO_EXT_BASE,
    160      1.17    simonb 	  { -1, -1 },
    161      1.17    simonb 	  SBOBIO_DEVTYPE_GBUS },
    162       1.7       cgd #endif
    163      1.17    simonb 	{ A_MAC_BASE_0,
    164      1.17    simonb 	  { K_INT_MAC_0, K_INT_MAC_0_CH1 },
    165      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    166      1.17    simonb 	{ A_MAC_BASE_1,
    167      1.17    simonb 	  { K_INT_MAC_1, K_INT_MAC_1_CH1 },
    168      1.17    simonb 	  SBOBIO_DEVTYPE_MAC },
    169       1.7       cgd };
    170       1.7       cgd static const int sb112x_sbobio_dev_count =
    171       1.7       cgd     sizeof sb112x_sbobio_devs / sizeof sb112x_sbobio_devs[0];
    172       1.7       cgd 
    173       1.1    simonb static int
    174  1.18.4.1     rmind sbobio_match(device_t parent, cfdata_t match, void *aux)
    175       1.1    simonb {
    176       1.1    simonb 	struct zbbus_attach_args *zap = aux;
    177       1.7       cgd 	uint64_t sysrev;
    178       1.1    simonb 
    179       1.1    simonb 	if (zap->za_locs.za_type != ZBBUS_ENTTYPE_OBIO)
    180       1.1    simonb 		return (0);
    181       1.1    simonb 
    182      1.18      matt 	sysrev = mips3_ld((volatile uint64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION));
    183       1.7       cgd 	switch (SYS_SOC_TYPE(sysrev)) {
    184       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1120:
    185       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1125:
    186       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1125H:
    187       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1250:
    188       1.7       cgd 		break;
    189       1.7       cgd 
    190       1.7       cgd 	default:
    191      1.10    simonb 		return (0);
    192       1.7       cgd 	}
    193       1.7       cgd 
    194      1.10    simonb 	return (1);
    195       1.1    simonb }
    196       1.1    simonb 
    197       1.1    simonb static void
    198  1.18.4.1     rmind sbobio_attach(device_t parent, device_t self, void *aux)
    199       1.1    simonb {
    200       1.1    simonb 	struct sbobio_attach_args sa;
    201       1.7       cgd 	const char *dscr;
    202       1.7       cgd 	const struct sbobio_attach_locs *devs;
    203       1.7       cgd 	uint64_t sysrev;
    204       1.7       cgd 	int i, devcount;
    205      1.14  drochner 	int locs[SBOBIOCF_NLOCS];
    206       1.7       cgd 
    207      1.18      matt 	sysrev = mips3_ld((volatile uint64_t *)MIPS_PHYS_TO_KSEG1(A_SCD_SYSTEM_REVISION));
    208       1.7       cgd 	switch (SYS_SOC_TYPE(sysrev)) {
    209       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1120:
    210       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1125:
    211       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1125H:
    212       1.7       cgd 		dscr = "BCM112x";
    213       1.7       cgd 		devs = sb112x_sbobio_devs;
    214       1.7       cgd 		devcount = sb112x_sbobio_dev_count;
    215       1.7       cgd 		break;
    216       1.7       cgd 
    217       1.7       cgd 	case K_SYS_SOC_TYPE_BCM1250:
    218       1.7       cgd 		if (G_SYS_REVISION(sysrev) >= K_SYS_REVISION_BCM1250_PASS2) {
    219       1.7       cgd 			dscr = "BCM1250 (rev2 and later)";
    220       1.7       cgd 			devs = sb1250_sbobio_devs;
    221       1.7       cgd 			devcount = sb1250_sbobio_dev_count;
    222       1.7       cgd 		} else {
    223       1.7       cgd 			dscr = "BCM1250 rev1";
    224       1.7       cgd 			devs = sb1250_rev1_sbobio_devs;
    225       1.7       cgd 			devcount = sb1250_rev1_sbobio_dev_count;
    226       1.7       cgd 		}
    227       1.7       cgd 		break;
    228       1.7       cgd 	default:
    229       1.7       cgd 		panic("un-matched in sbobio_attach");
    230       1.7       cgd 		break;
    231       1.7       cgd 	}
    232       1.1    simonb 
    233  1.18.4.1     rmind 	aprint_normal(": %s peripherals\n", dscr);
    234       1.1    simonb 
    235       1.7       cgd 	for (i = 0; i < devcount; i++) {
    236       1.1    simonb 		memset(&sa, 0, sizeof sa);
    237       1.7       cgd 		sa.sa_locs = devs[i];
    238      1.13  drochner 
    239  1.18.4.1     rmind 		locs[SBOBIOCF_OFFSET] = devs[i].sa_offset;
    240      1.14  drochner 		locs[SBOBIOCF_INTR + 0] = devs[i].sa_intr[0];
    241      1.14  drochner 		locs[SBOBIOCF_INTR + 1] = devs[i].sa_intr[1];
    242      1.13  drochner 
    243      1.14  drochner 		config_found_sm_loc(self, "sbobio", locs, &sa,
    244      1.15  drochner 				    sbobio_print, config_stdsubmatch);
    245       1.1    simonb 	}
    246       1.1    simonb 	return;
    247       1.1    simonb }
    248       1.1    simonb 
    249       1.1    simonb int
    250       1.1    simonb sbobio_print(void *aux, const char *pnp)
    251       1.1    simonb {
    252       1.1    simonb 	struct sbobio_attach_args *sap = aux;
    253       1.1    simonb 	int i;
    254       1.1    simonb 
    255       1.1    simonb 	if (pnp)
    256       1.8   thorpej 		aprint_normal("%s at %s",
    257       1.1    simonb 		    sbobio_device_type_name(sap->sa_locs.sa_type), pnp);
    258  1.18.4.1     rmind 	aprint_normal(" offset 0x%lx", sap->sa_locs.sa_offset);
    259       1.1    simonb 	for (i = 0; i < 2; i++) {
    260       1.2    simonb 		if (sap->sa_locs.sa_intr[i] != SBOBIOCF_INTR_DEFAULT)
    261      1.17    simonb 			aprint_normal("%s%d", i == 0 ? " intr " : ",",
    262      1.17    simonb 			    sap->sa_locs.sa_intr[i]);
    263       1.1    simonb 	}
    264       1.1    simonb 	return (UNCONF);
    265       1.1    simonb }
    266       1.1    simonb 
    267       1.1    simonb static const char *
    268       1.1    simonb sbobio_device_type_name(enum sbobio_device_type type)
    269       1.1    simonb {
    270       1.1    simonb 
    271       1.1    simonb 	switch (type) {
    272       1.1    simonb 	case SBOBIO_DEVTYPE_SMBUS:
    273       1.1    simonb 		return ("sbsmbus");
    274       1.1    simonb 	case SBOBIO_DEVTYPE_DUART:
    275       1.1    simonb 		return ("sbscn");
    276       1.1    simonb 	case SBOBIO_DEVTYPE_SYNCSERIAL:
    277       1.1    simonb 		return ("sbsync");
    278       1.1    simonb 	case SBOBIO_DEVTYPE_GBUS:
    279       1.1    simonb 		return ("sbgbus");
    280       1.1    simonb 	case SBOBIO_DEVTYPE_MAC:
    281       1.1    simonb 		return ("sbmac");
    282       1.1    simonb 	}
    283       1.1    simonb 	panic("sbobio_device_type_name");
    284       1.1    simonb 	return ("panic");
    285       1.1    simonb }
    286