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-rw-r--r--src/soc/amd/picasso/acpi/sb_pci0_fch.asl5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
index 27c46611b3..7488b550bb 100644
--- a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
+++ b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl
@@ -101,6 +101,11 @@ Method(_CRS, 0) {
Subtract(Local0, TOM1, Local0)
Store(Local0, MM1L)
+ CreateWordField(CRES, ^PSB0._MAX, BMAX)
+ CreateWordField(CRES, ^PSB0._LEN, BLEN)
+ Store(CONFIG_MMCONF_BUS_NUMBER - 1, BMAX)
+ Store(CONFIG_MMCONF_BUS_NUMBER, BLEN)
+
Return(CRES) /* note to change the Name buffer */
} /* end of Method(_SB.PCI0._CRS) */