Init

sys/sbusdev/lebuf.c

@@ -0,0 +1,100 @@
+#ident	"@(#)lebuf.c	1.1"
+
+/*
+ * Copyright (c) 1990 by Sun Microsystems, Inc.
+ */
+
+#include "le.h"
+#if	NLE > 0
+
+/*
+ * LANCE Ethernet Programmable I/O Buffer 'driver'.
+ *
+ * This driver identifies "lebuffer", maps in the memory associated
+ * with the device, attaches child nodes ("le"!) and calls the
+ * le driver routine leopsadd() to add an entry to the le driver
+ * ops linked list describing the lebuffer-specifics.
+ */
+
+#include <sys/param.h>
+#include <sys/buf.h>
+#include <sys/systm.h>
+
+#include <sys/time.h>
+#include <sys/kernel.h>
+#include <sys/debug.h>
+#include <sundev/mbvar.h>
+
+#include <sun/autoconf.h>
+#include <machine/mmu.h>
+
+#include <sys/socket.h>
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <sunif/if_lereg.h>
+#include <sunif/if_levar.h>
+
+static int lebufidentify(), lebufattach();
+struct	dev_ops lebuf_ops = {
+	1,
+	lebufidentify,
+	lebufattach
+};
+
+static int
+lebufidentify(name)
+char *name;
+{
+	if (strcmp(name, "lebuffer") == 0)
+		return (1);
+	else
+		return (0);
+}
+
+static int
+lebufattach(dev)
+register struct dev_info *dev;
+{
+	static	int	unit = 0;
+	addr_t	base;
+	struct	leops	*lop;
+
+	dev->devi_unit = unit++;
+
+	if (dev->devi_nreg > 1) {
+		printf("lebuf%d: bad regs specification\n", dev->devi_unit);
+		return (-1);
+	}
+
+	/* map in the buffer */
+	base = map_regs(dev->devi_reg->reg_addr, dev->devi_reg->reg_size,
+		dev->devi_reg->reg_bustype);
+	if (base == NULL) {
+		printf("lebuf%d: unable to map registers\n", dev->devi_unit);
+		return (-1);
+	}
+
+	report_dev(dev);
+	attach_devs(dev);	/* attach children */
+
+	/* add entry to le driver ops linked list */
+	if ((lop = (struct leops *) kmem_alloc(sizeof (struct leops))) == NULL) {
+		printf("lebuf%d:  kmem_alloc failed!\n", dev->devi_unit);
+		return (-1);
+	}
+	lop->lo_dev = dev->devi_slaves;
+	lop->lo_flags = LO_PIO | LO_IOADDR;
+	lop->lo_membase = base;
+	lop->lo_iobase = (caddr_t)0;
+	lop->lo_size = (int) dev->devi_reg->reg_size;
+	lop->lo_init = NULL;
+	lop->lo_intr = NULL;
+	lop->lo_arg = 0;
+	leopsadd(lop);
+
+	return (0);
+}
+
+#endif	NLE > 0