sys/arch/evbppc/virtex/dev/xcvbus.c

   1 /*      $NetBSD$ */
   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, "$NetBSD$");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/types.h>
  38 #include <sys/device.h>
  39 #include <sys/extent.h>
  40 #include <sys/malloc.h>
  41
  42 #include <machine/bus.h>
  43 #include <powerpc/ibm4xx/dev/plbvar.h>
  44
  45 #include <evbppc/virtex/dev/xcvbusvar.h>
  46
  47
  48 static int      xcvbus_match(device_t, cfdata_t, void *);
  49 static void     xcvbus_attach(device_t, device_t, void *);
  50
  51
  52 CFATTACH_DECL(xcvbus, sizeof(struct device),
  53     xcvbus_match, xcvbus_attach, NULL, NULL);
  54
  55
  56 static int
  57 xcvbus_match(device_t parent, cfdata_t cf, void *aux)
  58 {
  59         struct plb_attach_args          *paa = aux;
  60
  61         return (strcmp(paa->plb_name, cf->cf_name) == 0);
  62 }
  63
  64 static void
  65 xcvbus_attach(device_t parent, device_t self, void *aux)
  66 {
  67         struct plb_attach_args          *paa = aux;
  68
  69         printf(": Xilinx Virtex FPGA\n");
  70
  71         virtex_autoconf(self, paa);
  72 }
  73
  74 /*
  75  * Public interface.
  76  */
  77
  78 int
  79 xcvbus_print(void *aux, const char *pnp)
  80 {
  81         struct xcvbus_attach_args       *vaa = aux;
  82
  83         if (pnp)
  84                 aprint_normal("%s at %s", vaa->vaa_name, pnp);
  85
  86         if (vaa->vaa_addr != -1) {
  87                 if (vaa->_vaa_is_dcr)
  88                         aprint_normal(" dcr 0x%x", vaa->vaa_iot->pbs_base);
  89                 else
  90                         aprint_normal(" mem 0x%x", vaa->vaa_addr);
  91         }
  92
  93         if (vaa->vaa_intr != -1)
  94                 aprint_normal(" intr %d", vaa->vaa_intr);
  95         if (vaa->vaa_tx_dmac != NULL)
  96                 aprint_normal(" tx %d", vaa->vaa_tx_dmac->dmac_chan);
  97         if (vaa->vaa_rx_dmac != NULL)
  98                 aprint_normal(" rx %d", vaa->vaa_rx_dmac->dmac_chan);
  99
 100         return (UNCONF);
 101 }
 102
 103 int
 104 xcvbus_child_match(struct device *parent, struct cfdata *cf, void *aux)
 105 {
 106         struct xcvbus_attach_args *vaa = aux;
 107
 108         return (strcmp(vaa->vaa_name, cf->cf_name) == 0);
 109 }