diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/devicetree.cb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/siemens/mc_apl1/devicetree.cb b/src/mainboard/siemens/mc_apl1/devicetree.cb index 7cb9337d44..3ad85f62ee 100644 --- a/src/mainboard/siemens/mc_apl1/devicetree.cb +++ b/src/mainboard/siemens/mc_apl1/devicetree.cb @@ -12,6 +12,35 @@ chip soc/intel/apollolake register "pcie_rp4_clkreq_pin" = "CLKREQ_DISABLED" register "pcie_rp5_clkreq_pin" = "CLKREQ_DISABLED" + # EMMC TX DATA Delay 1 + # Refer to EDS-Vol2-22.3. + # [14:8] steps of delay for HS400, each 125ps. + # [6:0] steps of delay for SDR104/HS200, each 125ps. + register "emmc_tx_data_cntl1" = "0x0C16" + + # EMMC TX DATA Delay 2 + # Refer to EDS-Vol2-22.3. + # [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" = "0x28162828" + + # EMMC RX CMD/DATA Delay 1 + # Refer to EDS-Vol2-22.3. + # [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" = "0x00181717" + + # EMMC RX CMD/DATA Delay 2 + # Refer to EDS-Vol2-22.3. + # [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" = "0x10008" + device domain 0 on device pci 00.0 on end # - Host Bridge device pci 00.1 off end # - DPTF |