Bora Guvendik has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30073
Change subject: mb/google/octopus: Override emmc DLL values for Yorp ......................................................................
mb/google/octopus: Override emmc DLL values for Yorp
New emmc DLL values for Yorp.
BUG=b:120561055 BRANCH=octopus TEST=Boot to OS, chromeos-install, mmc_test
Change-Id: I771c959a15959160224f056c0a16aa65bfbba94e Signed-off-by: Bora Guvendik bora.guvendik@intel.com --- M src/mainboard/google/octopus/variants/yorp/overridetree.cb 1 file changed, 41 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/73/30073/1
diff --git a/src/mainboard/google/octopus/variants/yorp/overridetree.cb b/src/mainboard/google/octopus/variants/yorp/overridetree.cb index de711ba..8d4cd15 100644 --- a/src/mainboard/google/octopus/variants/yorp/overridetree.cb +++ b/src/mainboard/google/octopus/variants/yorp/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" = "0x0A12" + + # 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" = "0x1c282828" + + # 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" = "0x00195959" + + # 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" = "0x10025" + + # 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" + device domain 0 on device pci 16.0 on chip drivers/i2c/hid