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      1 /*	$NetBSD: ebus_emips.c,v 1.3 2011/06/12 04:00:33 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code was written by Alessandro Forin and Neil Pittman
      8  * at Microsoft Research and contributed to The NetBSD Foundation
      9  * by Microsoft Corporation.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     34 __KERNEL_RCSID(0, "$NetBSD: ebus_emips.c,v 1.3 2011/06/12 04:00:33 tsutsui Exp $");
     35 
     36 #include "opt_xilinx_ml40x.h"
     37 #include "opt_xs_bee3.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/device.h>
     42 
     43 #include <emips/ebus/ebusvar.h>
     44 
     45 #include <machine/autoconf.h>
     46 #include <machine/sysconf.h>
     47 
     48 #include <machine/emipsreg.h>
     49 #include <emips/emips/emipstype.h>
     50 
     51 static int	ebus_emips_match(device_t, cfdata_t, void *);
     52 static void	ebus_emips_attach(device_t, device_t, void *);
     53 
     54 CFATTACH_DECL_NEW(ebus_emips, 0,
     55     ebus_emips_match, ebus_emips_attach, NULL, NULL);
     56 
     57 #if defined(XILINX_ML40x) || defined(XS_BEE3)
     58 struct ebus_attach_args ebus_emips_devs[] = {
     59    /* NAME     INTERRUPT        PHYS                      VIRT  PHYS_SIZE */
     60    { "eclock", AIC_TIMER,       TIMER_DEFAULT_ADDRESS,    NULL, sizeof(struct _Tc) },
     61    { "dz",     AIC_USART,       USART_DEFAULT_ADDRESS,    NULL, sizeof(struct _Usart)},
     62    { "ace",    AIC_SYSTEM_ACE,  IDE_DEFAULT_ADDRESS,      NULL, sizeof(struct _Sac) },
     63    { "ace",    AIC_SYSTEM_ACE2, IDE_DEFAULT_ADDRESS+256,  NULL, sizeof(struct _Sac) },
     64    { "enic",   AIC_ETHERNET,    ETHERNET_DEFAULT_ADDRESS, NULL, sizeof(struct _Enic) },
     65    { "icap",   AIC_ICAP,        ICAP_DEFAULT_ADDRESS,     NULL, sizeof(struct _Icap) },
     66    { "gpio",   AIC_GPIO,        GPIO_DEFAULT_ADDRESS,     NULL, sizeof(struct _Pio) },
     67    { "flash",  0,               FLASH_0_DEFAULT_ADDRESS,  NULL, sizeof(struct _Flash) },
     68    { "lcd",    0,               LCD_DEFAULT_ADDRESS,      NULL, sizeof(struct _Lcd) },
     69    { "evga",   AIC_VGA,         VGA_DEFAULT_ADDRESS,      NULL, sizeof(struct _Evga) },
     70    { "ps2",    AIC_PS2,         PS2_DEFAULT_ADDRESS,      NULL, sizeof(struct _Cpbdi) },
     71    { "ac97",   AIC_AC97,        AC97_DEFAULT_ADDRESS,     NULL, sizeof(struct _Cpbdi) },
     72 };
     73 static const int ebus_emips_ndevs =
     74 	sizeof(ebus_emips_devs)/sizeof(ebus_emips_devs[0]);
     75 #endif /* XILINX_ML40x */
     76 
     77 static int ebus_attached;
     78 
     79 static int
     80 ebus_emips_match(device_t parent, cfdata_t cf, void *aux)
     81 {
     82 	struct mainbus_attach_args *ma = aux;
     83 
     84 	if (ebus_attached)
     85 		return 0;
     86 	if (systype != XS_ML40x && systype != XS_BE3 && systype != XS_ML50x)
     87 		return 0;
     88 	if (strcmp(ma->ma_name, "baseboard") != 0)
     89 		return 0;
     90 
     91 	return 1;
     92 }
     93 
     94 static void
     95 ebus_emips_attach(device_t parent, device_t self, void *aux)
     96 {
     97 	struct ebus_dev_attach_args ida;
     98 
     99 	ebus_attached = 1;
    100 
    101 	ida.ida_busname = "ebus";
    102 	switch (systype) {
    103 #if defined(XILINX_ML40x) || defined(XS_BEE3)
    104 	case XS_ML40x:
    105 	case XS_ML50x:
    106 	case XS_BE3:
    107 		ida.ida_devs = ebus_emips_devs;
    108 		ida.ida_ndevs = ebus_emips_ndevs;
    109 		break;
    110 #endif
    111 	default:
    112 		panic("ebus_emips_attach: no ebus configured for systype = %d",
    113 		    systype);
    114 	}
    115 
    116 	ebusattach(parent, self, &ida);
    117 }
    118