diff options
author | Ian Feng <ian_feng@compal.corp-partner.google.com> | 2024-03-18 11:04:36 +0800 |
---|---|---|
committer | Felix Held <felix-coreboot@felixheld.de> | 2024-03-19 13:36:13 +0000 |
commit | d714ab63a486fe4d9d0476de2ad21217b8ad70a7 (patch) | |
tree | be5526481e6fa625d64ce230f8927d7444848d0b | |
parent | 19453ec7a63421e7dfe24e8ffec66aba16e7d177 (diff) |
mb/google/nissa/var/craaskov: Update eMMC DLL settings
Update eMMC DLL settings based on Craaskov board.
BUG=b:318323026
TEST=executed 2500 cycles of cold boot successfully on all eMMC sku
Change-Id: I56f8329c28261c2bcae9d058da929be6763b293c
Signed-off-by: Ian Feng <ian_feng@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81304
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Simon Yang <simon1.yang@intel.com>
Reviewed-by: Eric Lai <ericllai@google.com>
-rw-r--r-- | src/mainboard/google/brya/variants/craaskov/overridetree.cb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/craaskov/overridetree.cb b/src/mainboard/google/brya/variants/craaskov/overridetree.cb index a070b467c0..686c829349 100644 --- a/src/mainboard/google/brya/variants/craaskov/overridetree.cb +++ b/src/mainboard/google/brya/variants/craaskov/overridetree.cb @@ -8,6 +8,51 @@ 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" = "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" + # Bit 0 - C0 has no redriver, so enable SBU muxing in the SoC. # Bit 2 - C1 has a redriver which does SBU muxing. # Bit 1,3 - AUX lines are not swapped on the motherboard for either C0 or C1. |