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mb/google/nissa/var/glassway: Tune eMMC DLL values

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Update eMMC DLL values to improve initialization reliability.

BUG=b:327123701
TEST=Improve reboot on MB with eMMC smoothly.

Change-Id: Ice9ee217acf7dc6e3e704bc82529e0b9a8faf184
Signed-off-by: Daniel Peng <Daniel_Peng@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80779
Reviewed-by: Shawn Ku <shawnku@google.com>
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Simon Yang <simon1.yang@intel.com>
This commit is contained in:
Daniel Peng 2024-02-29 15:21:54 +08:00 committed by Eric Lai
parent d31b1091e7
commit 384a9c973c
1 changed files with 45 additions and 0 deletions
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45
src/mainboard/google/brya/variants/glassway/overridetree.cb
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@ -23,6 +23,51 @@ end
chip soc/intel/alderlake
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" = "0x505"
# 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" = "0x909"
# 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" = "0x1C2A2828"
# 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" = "0x1C1B4F1B"
# 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" = "0x10048"
# 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" = "0x01515"
# SOC Aux orientation override:
# This is a bitfield that corresponds to up to 4 TCSS ports.
# Bits (0,1) allocated for TCSS Port1 configuration and Bits (2,3)for TCSS Port2.