mb/google/rex: Program EC ranges (host cmd and memory map)
This patch adds chip config entries for EC host cmd and memory map
ranges.
BUG=b:224325352
TEST=Able to build Google/Rex.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I84a3b128a05c013d659e490a01198955ef383f83
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65765
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index f9eb12f..d803670 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -1,5 +1,11 @@
chip soc/intel/meteorlake
+ # 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"
+
register "serial_io_uart_mode" = "{
[PchSerialIoIndexUART0] = PchSerialIoPci,
[PchSerialIoIndexUART1] = PchSerialIoDisabled,