diff options
Diffstat (limited to 'src/soc/amd/common')
| -rw-r--r-- | src/soc/amd/common/fsp/pci/pci_routing_info.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/soc/amd/common/fsp/pci/pci_routing_info.c b/src/soc/amd/common/fsp/pci/pci_routing_info.c index 21423da210..2ea8dfcdbf 100644 --- a/src/soc/amd/common/fsp/pci/pci_routing_info.c +++ b/src/soc/amd/common/fsp/pci/pci_routing_info.c @@ -11,23 +11,27 @@ const struct pci_routing_info *get_pci_routing_table(size_t *entries) { static const struct pci_routing_info *routing_table; static size_t routing_table_entries; - size_t hob_size = 0; + const struct { + uint32_t num_of_entries; + struct pci_routing_info routing_table[]; + } __packed *routing_hob; if (routing_table) { *entries = routing_table_entries; return routing_table; } - routing_table = fsp_find_extension_hob_by_guid(AMD_FSP_PCIE_DEVFUNC_REMAP_HOB_GUID.b, + routing_hob = fsp_find_extension_hob_by_guid(AMD_FSP_PCIE_DEVFUNC_REMAP_HOB_GUID.b, &hob_size); - if (routing_table == NULL || hob_size == 0) { - printk(BIOS_ERR, "Couldn't find PCIe routing HOB.\n"); + if (routing_hob == NULL || hob_size == 0 || routing_hob->num_of_entries == 0) { + printk(BIOS_ERR, "ERROR: Couldn't find valid PCIe interrupt routing HOB.\n"); return NULL; } - routing_table_entries = hob_size / sizeof(struct pci_routing_info); + routing_table = routing_hob->routing_table; + routing_table_entries = routing_hob->num_of_entries; for (size_t i = 0; i < routing_table_entries; ++i) { printk(BIOS_DEBUG, "%02x.%x: group: %u, swizzle: %u, irq: %u\n", |