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-rw-r--r--src/mainboard/emulation/qemu-x86/devicetree.cb8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mainboard/emulation/qemu-x86/devicetree.cb b/src/mainboard/emulation/qemu-x86/devicetree.cb
index ed64eefc3d..11b2a41977 100644
--- a/src/mainboard/emulation/qemu-x86/devicetree.cb
+++ b/src/mainboard/emulation/qemu-x86/devicetree.cb
@@ -1,10 +1,10 @@
chip mainboard/emulation/qemu-x86
device domain 0 on
- device pci 0.0 on end
-
+ device pci 0.0 on end # northbridge (i440fx)
chip southbridge/intel/i82371eb # southbridge
- device pci 01.0 on end
- device pci 01.1 on end
+ device pci 01.0 on end # ISA bridge
+ device pci 01.1 on end # IDE
+ device pci 01.3 on end # ACPI
register "ide0_enable" = "1"
register "ide1_enable" = "1"
register "gpo" = "0x7fffbbff"