nb/intel/sandybridge: Add a chipset devicetree
This only moves CPU configuration to a common place. Other PCI devices
can be done in follow-ups.
Change-Id: I9c5b6f25b779e28b6719cf70455ff0f1a916ad87
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56912
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/northbridge/intel/sandybridge/chipset.cb b/src/northbridge/intel/sandybridge/chipset.cb
new file mode 100644
index 0000000..ae02a5b
--- /dev/null
+++ b/src/northbridge/intel/sandybridge/chipset.cb
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+chip northbridge/intel/sandybridge
+ device cpu_cluster 0 on
+ chip cpu/intel/model_206ax
+ # Magic APIC ID to locate this chip
+ device lapic 0 on end
+ device lapic 0xacac off end
+
+ register "acpi_c1" = "1" # ACPI(C1) = MWAIT(C1)
+ register "acpi_c2" = "3" # ACPI(C2) = MWAIT(C3)
+ register "acpi_c3" = "5" # ACPI(C3) = MWAIT(C7)
+ end
+ end
+
+ device domain 0 on
+ end
+end