From 1a718642ead0aa42561e4db30431066d53fdb57c Mon Sep 17 00:00:00 2001 From: "Zhao, Lijian" Date: Tue, 17 May 2016 19:26:18 -0700 Subject: intel/amenia: Program EMMC dll setting EMMC TX DATA Control needs to be programmed to 0x1A1A to make amenia system can run stable on EMMC with HS400 mode. Change-Id: I42c23ff7e6956e75de5e1b1339a570b35d999301 Signed-off-by: Zhao, Lijian Tested-by: Petrov, Andrey Reviewed-on: https://review.coreboot.org/15092 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/mainboard/intel/amenia/devicetree.cb | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src') diff --git a/src/mainboard/intel/amenia/devicetree.cb b/src/mainboard/intel/amenia/devicetree.cb index af06848a84..8128c713ee 100644 --- a/src/mainboard/intel/amenia/devicetree.cb +++ b/src/mainboard/intel/amenia/devicetree.cb @@ -10,6 +10,11 @@ chip soc/intel/apollolake # Integrated Sensor Hub register "integrated_sensor_hub_enable" = "0" + # EMMC TX DATA Delay 1# + # 0x1A[14:8] stands for 26*125 = 3250 pSec delay for HS400 + # 0x1A[6:0] stands for 26*125 = 3250 pSec delay for SDR104/HS200 + register "emmc_tx_data_cntl1" = "0x1A1A" # HS400 required + device domain 0 on device pci 00.0 on end # - Host Bridge device pci 00.1 on end # - DPTF -- cgit v1.2.3