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authorChia-Ling Hou <chia-ling.hou@intel.com>2023-06-13 13:54:54 +0800
committerFelix Held <felix-coreboot@felixheld.de>2023-07-03 12:46:40 +0000
commit8c9ec5af5326fc74d245c8fd1cf5c412099170c5 (patch)
tree444baf1b65b3705fb00d9b7e0606f1c7e4a4f5af /src
parent165cbe505aeae882fab39ec2087b518ea6cf2059 (diff)
mb/google/nissa/yaviks: Tune eMMC DLL value for boot issue
Resolve boot issue by tuning RX HS50 and HS200. BUG=b:265611305 TEST=Reboot test 2500 times pass Change-Id: I8a2727dc0ce9dc86c6bfb6d85567afee1734db62 Signed-off-by: Chia-Ling Hou <chia-ling.hou@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/75812 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/brya/variants/yaviks/overridetree.cb4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/variants/yaviks/overridetree.cb b/src/mainboard/google/brya/variants/yaviks/overridetree.cb
index 65da4faa65..7f72f8c88b 100644
--- a/src/mainboard/google/brya/variants/yaviks/overridetree.cb
+++ b/src/mainboard/google/brya/variants/yaviks/overridetree.cb
@@ -59,7 +59,7 @@ chip soc/intel/alderlake
# [22:16] steps of delay for DDR50, each 125ps, range: 0 - 78.
# [14:8] steps of delay for SDR25/HS50, each 125ps, range: 0 - 119.
# [6:0] steps of delay for SDR12, each 125ps, range: 0 - 119.
- register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl1" = "0x1C1B223b"
+ register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl1" = "0x1C1B193b"
# EMMC RX CMD/DATA Delay 2
# Refer to EDS-Vol2-42.3.12.
@@ -70,7 +70,7 @@ chip soc/intel/alderlake
# 11: Reserved
# [14:8] steps of delay for Auto Tuning Mode, each 125ps, range: 0 - 39.
# [6:0] steps of delay for HS200, each 125ps, range: 0 - 79.
- register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl2" = "0x1004b"
+ register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl2" = "0x10004"
# EMMC Rx Strobe Delay
# Refer to EDS-Vol2-42.3.11.