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      1 /* 	$NetBSD: xcvbus.c,v 1.4 2023/12/20 14:18:38 thorpej Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Jachym Holecek
      5  * All rights reserved.
      6  *
      7  * Written for DFC Design, s.r.o.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  *
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  *
     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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: xcvbus.c,v 1.4 2023/12/20 14:18:38 thorpej Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/types.h>
     38 #include <sys/device.h>
     39 
     40 #include <sys/bus.h>
     41 #include <powerpc/ibm4xx/dev/plbvar.h>
     42 
     43 #include <evbppc/virtex/dev/xcvbusvar.h>
     44 
     45 
     46 static int	xcvbus_match(device_t, cfdata_t, void *);
     47 static void	xcvbus_attach(device_t, device_t, void *);
     48 
     49 
     50 CFATTACH_DECL_NEW(xcvbus, 0,
     51     xcvbus_match, xcvbus_attach, NULL, NULL);
     52 
     53 
     54 static int
     55 xcvbus_match(device_t parent, cfdata_t cf, void *aux)
     56 {
     57 	struct plb_attach_args 		*paa = aux;
     58 
     59 	return (strcmp(paa->plb_name, cf->cf_name) == 0);
     60 }
     61 
     62 static void
     63 xcvbus_attach(device_t parent, device_t self, void *aux)
     64 {
     65 	struct plb_attach_args 		*paa = aux;
     66 
     67 	printf(": Xilinx Virtex FPGA\n");
     68 
     69 	virtex_autoconf(self, paa);
     70 }
     71 
     72 /*
     73  * Public interface.
     74  */
     75 
     76 int
     77 xcvbus_print(void *aux, const char *pnp)
     78 {
     79 	struct xcvbus_attach_args 	*vaa = aux;
     80 
     81 	if (pnp)
     82 		aprint_normal("%s at %s", vaa->vaa_name, pnp);
     83 
     84 	if (vaa->vaa_addr != -1) {
     85 		if (vaa->_vaa_is_dcr)
     86 			aprint_normal(" dcr 0x%x", vaa->vaa_iot->pbs_base);
     87 		else
     88 			aprint_normal(" mem 0x%x", vaa->vaa_addr);
     89 	}
     90 
     91 	if (vaa->vaa_intr != -1)
     92 		aprint_normal(" intr %d", vaa->vaa_intr);
     93 	if (vaa->vaa_tx_dmac != NULL)
     94 		aprint_normal(" tx %d", vaa->vaa_tx_dmac->dmac_chan);
     95 	if (vaa->vaa_rx_dmac != NULL)
     96 		aprint_normal(" rx %d", vaa->vaa_rx_dmac->dmac_chan);
     97 
     98 	return (UNCONF);
     99 }
    100 
    101 int
    102 xcvbus_child_match(device_t parent, cfdata_t cf, void *aux)
    103 {
    104 	struct xcvbus_attach_args *vaa = aux;
    105 
    106 	return (strcmp(vaa->vaa_name, cf->cf_name) == 0);
    107 }
    108