7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * CDDL HEADER START
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * The contents of this file are subject to the terms of the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Common Development and Distribution License (the "License").
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * You may not use this file except in compliance with the License.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * or http://www.opensolaris.org/os/licensing.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * See the License for the specific language governing permissions
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * and limitations under the License.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
724365f7556fc4201fdb11766ebc6bd918523130sethg * When distributing Covered Code, include this CDDL HEADER in each
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
724365f7556fc4201fdb11766ebc6bd918523130sethg * If applicable, add the following below this CDDL HEADER, with the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * fields enclosed by brackets "[]" replaced with your own identifying
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * information: Portions Copyright [yyyy] [name of copyright owner]
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * CDDL HEADER END
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Use is subject to license terms.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#pragma ident "%Z%%M% %I% %E% SMI"
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * SUNW,Sun-Fire platform ioboard topology enumerator
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include <string.h>
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include <libdevinfo.h>
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#include <fm/topo_mod.h>
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi#include <fm/topo_hc.h>
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi#include <did.h>
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi#include <hostbridge.h>
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi#include <ioboard.h>
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi#include <util.h>
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiint
0eb822a1c0c2bea495647510b75f77f0e57633ebcindiplatform_iob_label(topo_mod_t *mod, tnode_t *node, nvlist_t *ignored,
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi nvlist_t **out)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi /*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * For E15K, the label is simply IOXX where XX is the
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * instance number of the ioboard.
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi char buf[10]; /* up to a million I/O boards :-) */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *out = NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi (void) snprintf(buf, 10, "IO%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 nvlist_free(*out);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi *out = NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (-1);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#define IOB_BASEADDR 0x1c
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi#define BUS_ADDRDIST 0x20
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi/*ARGSUSED*/
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindiint
0eb822a1c0c2bea495647510b75f77f0e57633ebcindiplatform_iob_enum(topo_mod_t *mod, tnode_t *parent, topo_instance_t imin,
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi topo_instance_t imax)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi{
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi /*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * An E15K and its successors may have up to 18 I/O boards,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * numbered 0 through 17. 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 */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_node_t devtree;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi di_node_t pnode;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi did_t *iobs[18][2][2];
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi int brd, br, bus, i;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi devtree = topo_mod_devinfo(mod);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (devtree == DI_NODE_NIL) {
724365f7556fc4201fdb11766ebc6bd918523130sethg topo_mod_dprintf(mod, "devinfo init failed.");
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (-1);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi for (i = 0; i < 18; i++) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi iobs[i][0][0] = iobs[i][0][1] = NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi iobs[i][1][0] = iobs[i][1][1] = NULL;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi pnode = di_drv_first_node(SCHIZO, devtree);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi while (pnode != DI_NODE_NIL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi did_t *d;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi d = split_bus_address(mod,
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi pnode, IOB_BASEADDR, BUS_ADDRDIST, 0, 17, &brd, &br, &bus);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (d == NULL) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi pnode = di_drv_next_node(pnode);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi continue;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi iobs[brd][br][bus] = d;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi pnode = di_drv_next_node(pnode);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi for (i = 0; i < 18; i++) {
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi tnode_t *ion;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi /*
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi * Make sure we found all the buses and bridges
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi */
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi if (iobs[i][0][0] == NULL || iobs[i][0][1] == NULL ||
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi iobs[i][1][0] == NULL || iobs[i][1][1] == NULL)
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi continue;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi did_did_link_set(iobs[i][0][0], iobs[i][0][1]);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi did_did_link_set(iobs[i][1][0], iobs[i][1][1]);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi did_did_chain_set(iobs[i][0][0], iobs[i][1][0]);
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi if ((ion = ioboard_declare(mod, parent, i, iobs[i][0][0]))
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi == NULL) {
724365f7556fc4201fdb11766ebc6bd918523130sethg topo_mod_dprintf(mod,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "Creation of tnode for %s%d failed.\n", IOBOARD, i);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi continue;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi if (topo_mod_enumerate(mod, ion, HOSTBRIDGE, HOSTBRIDGE, 0, 0,
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi iobs[i][0][0]) < 0) {
724365f7556fc4201fdb11766ebc6bd918523130sethg topo_mod_dprintf(mod,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "Enumeration of %s%d/%s%d failed.\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi IOBOARD, i, HOSTBRIDGE, 0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi continue;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi if (topo_mod_enumerate(mod, ion, HOSTBRIDGE, HOSTBRIDGE, 1, 1,
0eb822a1c0c2bea495647510b75f77f0e57633ebcindi iobs[i][0][0]) < 0) {
724365f7556fc4201fdb11766ebc6bd918523130sethg topo_mod_dprintf(mod,
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi "Enumeration of %s%d/%s%d failed.\n",
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi IOBOARD, i, HOSTBRIDGE, 1);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi continue;
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi }
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi return (0);
7aec1d6e253b21f9e9b7ef68b4d81ab9859b51fecindi}