diff options
author | Lawrence Chang <lawrence.chang@intel.corp-partner.google.com> | 2022-11-22 21:33:26 +0800 |
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committer | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2022-12-02 03:11:41 +0000 |
commit | cab2c53e3cabb16d662dc45c43c141e2d9a89ce9 (patch) | |
tree | 191e7bb54379b915fcda09949b7b1ea358c9a076 /src/mainboard/google/brya | |
parent | 69cab3a0446acae01e0ed09ea1304878e1aa9bc6 (diff) |
mb/google/nissa/var/xivu: Fine-tune eMMC DLL
Fine-tune eMMC DLL based on Xivu EVT system.
BUG=b:256538132
TEST=executed 3000 cycles of cold boot successfully
Change-Id: Iaa8338fd0faa0e01f42ee77dea135c7a241ed3be
Signed-off-by: Lawrence Chang <lawrence.chang@intel.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69892
Reviewed-by: Jamie Chen <jamie.chen@intel.com>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r-- | src/mainboard/google/brya/variants/xivu/overridetree.cb | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/xivu/overridetree.cb b/src/mainboard/google/brya/variants/xivu/overridetree.cb index ac23c68517..bfaa639f41 100644 --- a/src/mainboard/google/brya/variants/xivu/overridetree.cb +++ b/src/mainboard/google/brya/variants/xivu/overridetree.cb @@ -16,6 +16,51 @@ 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" = "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" + # Disable CNVi BT register "cnvi_bt_core" = "false" |