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/* Copyright 2013-2015 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <skiboot.h>
#include <device.h>
#include <fsp.h>
#include <p7ioc.h>
#include <pci-cfg.h>
#include <pci.h>
#include <pci-slot.h>
#include "ibm-fsp.h"
#include "lxvpd.h"
/* Debugging option */
#define APOLLO_PCI_DBG(fmt, a...) \
prlog(PR_DEBUG, "APOLLO-PCI: " fmt, ##a)
#define APOLLO_PCI_INFO(fmt, a...) \
prlog(PR_INFO, "APOLLO-PCI: " fmt, ##a)
#define APOLLO_PCI_ERR(fmt, a...) \
prlog(PR_ERR, "APOLLO-PCI: " fmt, ##a)
void apollo_pci_setup_phb(struct phb *phb, unsigned int index)
{
struct dt_node *ioc_node;
/* Grab the device-tree node of the IOC */
ioc_node = phb->dt_node->parent;
if (!ioc_node) {
APOLLO_PCI_DBG("No IOC devnode for PHB%04x\n",
phb->opal_id);
return;
}
/*
* Process the pcie slot entries from the lx vpd lid
*
* FIXME: We currently assume chip 1 always, this will have to be
* fixed once we understand the right way to get the BRxy/BRxy "x"
* "x" value. It's not working well. I found 2 different root ports
* on Firebird-L has been assigned to same slot label.
*/
lxvpd_process_slot_entries(phb, ioc_node, 1,
index, sizeof(struct lxvpd_pci_slot));
}
void apollo_pci_get_slot_info(struct phb *phb, struct pci_device *pd)
{
struct pci_slot *slot;
struct lxvpd_pci_slot *s = NULL;
if (pd->dev_type != PCIE_TYPE_ROOT_PORT &&
pd->dev_type != PCIE_TYPE_SWITCH_UPPORT &&
pd->dev_type != PCIE_TYPE_SWITCH_DNPORT &&
pd->dev_type != PCIE_TYPE_PCIE_TO_PCIX)
return;
/* Create PCIe slot */
slot = pcie_slot_create(phb, pd);
if (!slot)
return;
/* Root complex inherits methods from PHB slot */
if (!pd->parent && phb->slot)
memcpy(&slot->ops, &phb->slot->ops, sizeof(struct pci_slot_ops));
/* Patch PCIe slot */
s = lxvpd_get_slot(slot);
if (s) {
lxvpd_extract_info(slot, s);
slot->ops.add_properties = lxvpd_add_slot_properties;
}
}
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