summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorPatrick Rudolph <patrick.rudolph@9elements.com>2018-05-15 11:37:26 +0200
committerPatrick Rudolph <siro@das-labor.org>2018-05-17 14:26:53 +0000
commit5c3452b80032eb81cc458d1fae63089ccc96d95a (patch)
tree5477069be86ed5fe9af183fcfb5f732518a28404 /src
parent735b9a0d1cc4b27647971cff96ad1270200e3cde (diff)
downloadcoreboot-5c3452b80032eb81cc458d1fae63089ccc96d95a.tar.xz
nb/intel/nehalem: Add ACPI path
Provide a valid ACPI path for coreboot's SSDT generators. Fixes all ACPI errors found while booting GNU Linux 4.15 on Lenovo T410. Change-Id: Idd4986f39f21cb53cb019d0893d40fed94c6505b Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/26287 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src')
-rw-r--r--src/northbridge/intel/nehalem/northbridge.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/northbridge/intel/nehalem/northbridge.c b/src/northbridge/intel/nehalem/northbridge.c
index fa5d595c63..0303e92f67 100644
--- a/src/northbridge/intel/nehalem/northbridge.c
+++ b/src/northbridge/intel/nehalem/northbridge.c
@@ -92,12 +92,33 @@ static void pci_domain_set_resources(struct device *dev)
assign_resources(dev->link_list);
}
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+static const char *northbridge_acpi_name(const struct device *dev)
+{
+ if (dev->path.type == DEVICE_PATH_DOMAIN)
+ return "PCI0";
+
+ if (dev->path.type != DEVICE_PATH_PCI || dev->bus->secondary != 0)
+ return NULL;
+
+ switch (dev->path.pci.devfn) {
+ case PCI_DEVFN(0, 0):
+ return "MCHC";
+ }
+
+ return NULL;
+}
+#endif
+
static struct device_operations pci_domain_ops = {
.read_resources = pci_domain_read_resources,
.set_resources = pci_domain_set_resources,
.enable_resources = NULL,
.init = NULL,
.scan_bus = pci_domain_scan_bus,
+#if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES)
+ .acpi_name = northbridge_acpi_name,
+#endif
};
static void mc_read_resources(struct device *dev)