From da2827949eb108381068272354b9f92f39b84086 Mon Sep 17 00:00:00 2001 From: Jonathan Zhang Date: Mon, 22 Mar 2021 16:27:56 -0700 Subject: [PATCH] mb/facebook/watson/v2: Reserve memory region for CPLD access For watson_v2 variant, add lpc_lgmr register in device tree configuration to access CPLD regsiters. TESTED=booted watson_v2 server into target OS, confirm CPLD register access: devmem2 0xB0000100 Value at address 0xb0000100: 0x00020003 Signed-off-by: Jonathan Zhang Signed-off-by: Ravi Rama Change-Id: I43ee89b8609c64bccf5a21171d8ff192e6aca0ef Reviewed-on: https://review.coreboot.org/c/coreboot/+/51718 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb b/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb index 276dea0c8b..e019a4eb2c 100644 --- a/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb +++ b/src/mainboard/facebook/watson/variants/watson_v2/devicetree.cb @@ -1,4 +1,5 @@ chip soc/intel/fsp_broadwell_de + register "lpc_lgmr" = "0xb0000001" # CPLD device cpu_cluster 0 on device lapic 0 on end end