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mb/trulo/var/uldrenite: Enable eMMC and DLL tuning parameters

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Enable eMMC and add DLL tuning parameters.

BUG=b:380789023
TEST=emerge-nissa coreboot

Change-Id: I5f0fdb31ce4eaad5537df36c4165c404239a7bd4
Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85579
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
This commit is contained in:
John Su 2024-12-13 13:56:22 +08:00 • committed by Subrata Banik
commit 113205bcd1
1 changed files with 50 additions and 0 deletions
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50
src/mainboard/google/brya/variants/uldrenite/overridetree.cb
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@ -9,6 +9,55 @@ chip soc/intel/alderlake
register "tcc_offset" = "5" # TCC of 100
# eMMC HS400
register "emmc_enable_hs400_mode" = "true"
#eMMC DLL tuning parameters
# 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" = "0x1004E"
# 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"
# Configure external V1P05/Vnn/VnnSx Rails
register "ext_fivr_settings" = "{
.configure_ext_fivr = 1,
@ -83,5 +132,6 @@ chip soc/intel/alderlake
device generic 0 on end
end
end # DPTF
device ref emmc on end
end
end