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mb/google/nissa/var/xivu: Fine-tune eMMC DLL 

Fine-tune eMMC DLL based on Xivu EVT system.

BUG=b:256538132
TEST=executed 3000 cycles of cold boot successfully

Change-Id: Iaa8338fd0faa0e01f42ee77dea135c7a241ed3be
Signed-off-by: Lawrence Chang <lawrence.chang@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69892
Reviewed-by: Jamie Chen <jamie.chen@intel.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Lawrence Chang 2022-11-22 21:33:26 +08:00 committed by Eric Lai
parent 69cab3a044
commit cab2c53e3c
1 changed files with 45 additions and 0 deletions
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45
src/mainboard/google/brya/variants/xivu/overridetree.cb
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@ -16,6 +16,51 @@ end
chip soc/intel/alderlake chip soc/intel/alderlake
register "sagv" = "SaGv_Enabled" register "sagv" = "SaGv_Enabled"
# EMMC Tx CMD Delay
# Refer to EDS-Vol2-42.3.7.
# [14:8] steps of delay for DDR mode, each 125ps, range: 0 - 39.
# [6:0] steps of delay for SDR mode, each 125ps, range: 0 - 39.
register "common_soc_config.emmc_dll.emmc_tx_cmd_cntl" = "0x00000505"
# EMMC TX DATA Delay 1
# 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"
# EMMC TX DATA Delay 2
# Refer to EDS-Vol2-42.3.9.
# [30:24] steps of delay for SDR50, each 125ps, range: 0 - 79.
# [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"
# EMMC RX CMD/DATA Delay 1
# Refer to EDS-Vol2-42.3.10.
# [30:24] steps of delay for SDR50, each 125ps, range: 0 - 119.
# [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"
# EMMC RX CMD/DATA Delay 2
# Refer to EDS-Vol2-42.3.12.
# [17:16] stands for Rx Clock before Output Buffer,
# 00: Rx clock after output buffer,
# 01: Rx clock before output buffer,
# 10: Automatic selection based on working mode.
# 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"
# 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"
# Disable CNVi BT # Disable CNVi BT
register "cnvi_bt_core" = "false" register "cnvi_bt_core" = "false"