diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/octopus/variants/bobba/overridetree.cb | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/bobba/overridetree.cb b/src/mainboard/google/octopus/variants/bobba/overridetree.cb index c0f37e2ec3..17686f6a60 100644 --- a/src/mainboard/google/octopus/variants/bobba/overridetree.cb +++ b/src/mainboard/google/octopus/variants/bobba/overridetree.cb @@ -1,5 +1,46 @@ chip soc/intel/apollolake + # EMMC Tx CMD Delay + # Refer to EDS-Vol2-16.32. + # [14:8] steps of delay for DDR mode, each 125ps. + # [6:0] steps of delay for SDR mode, each 125ps. + register "emmc_tx_cmd_cntl" = "0x505" + + # EMMC TX DATA Delay 1 + # Refer to EDS-Vol2-16.33. + # [14:8] steps of delay for HS400, each 125ps. + # [6:0] steps of delay for SDR104/HS200, each 125ps. + register "emmc_tx_data_cntl1" = "0x0a0b" + + # EMMC TX DATA Delay 2 + # Refer to EDS-Vol2-16.34. + # [30:24] steps of delay for SDR50, each 125ps. + # [22:16] steps of delay for DDR50, each 125ps. + # [14:8] steps of delay for SDR25/HS50, each 125ps. + # [6:0] steps of delay for SDR12, each 125ps. + register "emmc_tx_data_cntl2" = "0x1c272828" + + # EMMC RX CMD/DATA Delay 1 + # Refer to EDS-Vol2-16.35. + # [30:24] steps of delay for SDR50, each 125ps. + # [22:16] steps of delay for DDR50, each 125ps. + # [14:8] steps of delay for SDR25/HS50, each 125ps. + # [6:0] steps of delay for SDR12, each 125ps. + register "emmc_rx_cmd_data_cntl1" = "0x00181b1a" + + # EMMC RX CMD/DATA Delay 2 + # Refer to EDS-Vol2-16.37. + # [17:16] stands for Rx Clock before Output Buffer + # [14:8] steps of delay for Auto Tuning Mode, each 125ps. + # [6:0] steps of delay for HS200, each 125ps. + register "emmc_rx_cmd_data_cntl2" = "0x10021" + + # EMMC Rx Strobe Delay + # Refer to EDS-Vol2-16.36. + # [14:8] Rx Strobe Delay DLL 1(HS400 Mode), each 125ps. + # [6:0] Rx Strobe Delay DLL 2(HS400 Mode), each 125ps. + register "emmc_rx_strobe_cntl" = "0x0a0a" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value | |