Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/75812?usp=email )
Change subject: mb/google/nissa/yaviks: Tune eMMC DLL value for boot issue ......................................................................
mb/google/nissa/yaviks: Tune eMMC DLL value for boot issue
Resolve boot issue by tuning RX HS50 and HS200.
BUG=b:265611305 TEST=Reboot test 2500 times pass
Change-Id: I8a2727dc0ce9dc86c6bfb6d85567afee1734db62 Signed-off-by: Chia-Ling Hou chia-ling.hou@intel.com Reviewed-on: https://review.coreboot.org/c/coreboot/+/75812 Reviewed-by: Eric Lai eric_lai@quanta.corp-partner.google.com Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Wisley Chen wisley.chen@quanta.corp-partner.google.com --- M src/mainboard/google/brya/variants/yaviks/overridetree.cb 1 file changed, 2 insertions(+), 2 deletions(-)
Approvals: build bot (Jenkins): Verified Eric Lai: Looks good to me, approved Wisley Chen: Looks good to me, approved
diff --git a/src/mainboard/google/brya/variants/yaviks/overridetree.cb b/src/mainboard/google/brya/variants/yaviks/overridetree.cb index 65da4fa..7f72f8c 100644 --- a/src/mainboard/google/brya/variants/yaviks/overridetree.cb +++ b/src/mainboard/google/brya/variants/yaviks/overridetree.cb @@ -59,7 +59,7 @@ # [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" = "0x1C1B223b" + register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl1" = "0x1C1B193b"
# EMMC RX CMD/DATA Delay 2 # Refer to EDS-Vol2-42.3.12. @@ -70,7 +70,7 @@ # 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" = "0x1004b" + register "common_soc_config.emmc_dll.emmc_rx_cmd_data_cntl2" = "0x10004"
# EMMC Rx Strobe Delay # Refer to EDS-Vol2-42.3.11.