From 995772f0c3126672773983cb8e7a7d8f0b23b379 Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Wed, 3 May 2023 17:24:16 +0800 Subject: mb/google/nissa/var/uldren: Update eMMC DLL settings Update eMMC DLL settings based on Uldren board. BUG=b:280120229 TEST=executed 10 cycles of cold boot successfully Change-Id: I46e2f9df0e82e66fa3ae32aa87b4bcf30d5737ab Signed-off-by: Dtrain Hsu Reviewed-on: https://review.coreboot.org/c/coreboot/+/74925 Tested-by: build bot (Jenkins) Reviewed-by: Derek Huang Reviewed-by: Eric Lai --- .../google/brya/variants/uldren/overridetree.cb | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) diff --git a/src/mainboard/google/brya/variants/uldren/overridetree.cb b/src/mainboard/google/brya/variants/uldren/overridetree.cb index 63e14c56fb..9ca61b7c4e 100644 --- a/src/mainboard/google/brya/variants/uldren/overridetree.cb +++ b/src/mainboard/google/brya/variants/uldren/overridetree.cb @@ -1,6 +1,51 @@ 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" = "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" + # 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. -- cgit v1.2.3