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mb/google/nissa/var/yavilla: Update eMMC DLL settings

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Update eMMC DLL settings to prevent Ramaxel eMMC initialization error.

BUG=b:402260689
TEST=Verify on Ramaxel emmc warm/cold reboot stress test pass
     Verify on current emmc warm/cold reboot stress test pass

Change-Id: I2c560d63de7b596ee05ceb95726e4cb8001cf730
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86812
Reviewed-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Tony Huang 2025-03-11 15:06:18 +08:00 • committed by Matt DeVillier
commit 58f162b07e
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/brya/variants/yavilla/overridetree.cb
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@ -76,7 +76,7 @@ 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" = "0x1C171733"
register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl1" = "0x1C17171B"
# EMMC RX CMD/DATA Delay 2
# Refer to EDS-Vol2-42.3.12.