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-rw-r--r--src/mainboard/google/dedede/variants/baseboard/devicetree.cb6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
index 2529e53feb..d5f58bae3e 100644
--- a/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/dedede/variants/baseboard/devicetree.cb
@@ -20,6 +20,12 @@ chip soc/intel/tigerlake
register "pmc_gpe0_dw1" = "GPP_C"
register "pmc_gpe0_dw2" = "GPP_D"
+ # EC host command ranges are in 0x800-0x8ff & 0x200-0x20f
+ register "gen1_dec" = "0x00fc0801"
+ register "gen2_dec" = "0x000c0201"
+ # EC memory map range is 0x900-0x9ff
+ register "gen3_dec" = "0x00fc0901"
+
# USB Port Configuration
register "usb2_ports[0]" = "USB2_PORT_MID(OC_SKIP)" # Type-C Port C0
register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # Type-C Port C1