iob_platform.c revision 0eb822a1c0c2bea495647510b75f77f0e57633eb
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7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Use is subject to license terms.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#pragma ident "%Z%%M% %I% %E% SMI"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * SUNW,Sun-Fire platform ioboard topology enumerator
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
0eb822a1c0c2bea495647510b75f77f0e57633ebcindiplatform_iob_label(topo_mod_t *mod, tnode_t *node, nvlist_t *ignored,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * For SUNW,Sun-Fire the label is simply N0.IBXX where XX is the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * instance number of the ioboard.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi (void) snprintf(buf, 10, "N0.IB%d", topo_node_instance(node));
724365f7556fc4201fdb11766ebc6bd918523130sethg if (topo_mod_nvalloc(mod, out, NV_UNIQUE_NAME) == 0 &&
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi nvlist_add_string(*out, TOPO_METH_LABEL_RET_STR, buf) == 0)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (-1);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
0eb822a1c0c2bea495647510b75f77f0e57633ebcindiplatform_iob_enum(topo_mod_t *mod, tnode_t *parent, topo_instance_t imin,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * A SUNW,Sun-Fire and its successors may have up to 4 I/O boards,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * numbered 6 through 9. Each board has two hostbridges, and
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * there are a pair of PCI buses under each hostbridge. We can
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * discover the existence of a board by the presence of
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * devinfo nodes for those hostbridges. We let the hostbridge
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * enumerator actually create nodes for the hostbridges,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * passing them the did_t's for all the hostbridge nodes we
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * know indicate that the ioboard exists.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (-1);
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi pnode, IOB_BASEADDR, BUS_ADDRDIST, 6, 9, &brd, &br, &bus);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (d == NULL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Make sure we found all the buses and bridges
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi if ((ion = ioboard_declare(mod, parent, i, iobs[i][0][0]))
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi ion, HOSTBRIDGE, HOSTBRIDGE, 0, 0, iobs[i][0][0]) < 0) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "Enumeration of %s%d/%s%d failed.\n",
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi ion, HOSTBRIDGE, HOSTBRIDGE, 1, 1, iobs[i][0][0]) < 0) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "Enumeration of %s%d/%s%d failed.\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);