mb/google/nissa/var/uldren: Fine tune eMMC DLL settings
Fine tune eMMC DLL settings based on Uldren board.
BUG=b:280120229
TEST=executed 2500 cycles of cold boot successfully on all eMMC sku.
Change-Id: I82a55a1fe17aa910eb02464df463603dcbbbef05
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75459
Reviewed-by: Derek Huang <derekhuang@google.com>
Reviewed-by: Jamie Chen <jamie.chen@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb
index 8784e88..6f54e69 100644
--- a/src/mainboard/google/brya/variants/uldren/overridetree.cb
+++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb
@@ -32,7 +32,7 @@
# Refer to EDS-Vol2-42.3.8.
# [14:8] steps of delay for HS400, each 125ps, range: 0 - 78.
# [6:0] steps of delay for SDR104/HS200, each 125ps, range: 0 - 79.
- register "common_soc_config.emmc_dll.emmc_tx_data_cntl1" = "0x00000a12"
+ register "common_soc_config.emmc_dll.emmc_tx_data_cntl1" = "0x00000909"
# EMMC TX DATA Delay 2
# Refer to EDS-Vol2-42.3.9.
@@ -40,7 +40,7 @@
# [22:16] steps of delay for DDR50, each 125ps, range: 0 - 78.
# [14:8] steps of delay for SDR25/HS50, each 125ps, range: 0 -79.
# [6:0] steps of delay for SDR12, each 125ps. Range: 0 - 79.
- register "common_soc_config.emmc_dll.emmc_tx_data_cntl2" = "0x1c292828"
+ register "common_soc_config.emmc_dll.emmc_tx_data_cntl2" = "0x1c272828"
# EMMC RX CMD/DATA Delay 1
# Refer to EDS-Vol2-42.3.10.
@@ -48,7 +48,7 @@
# [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" = "0x1c175a3b"
+ register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl1" = "0x1c171835"
# EMMC RX CMD/DATA Delay 2
# Refer to EDS-Vol2-42.3.12.
@@ -59,13 +59,13 @@
# 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" = "0x00010023"
+ register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl2" = "0x00010025"
# EMMC Rx Strobe Delay
# Refer to EDS-Vol2-42.3.11.
# [14:8] Rx Strobe Delay DLL 1(HS400 Mode), each 125ps, range: 0 - 39.
# [6:0] Rx Strobe Delay DLL 2(HS400 Mode), each 125ps, range: 0 - 39.
- register "common_soc_config.emmc_dll.emmc_rx_strobe_cntl" = "0x00011111"
+ register "common_soc_config.emmc_dll.emmc_rx_strobe_cntl" = "0x00001111"
# SOC Aux orientation override:
# This is a bitfield that corresponds to up to 4 TCSS ports.