From 232113e7cdc08c4dad7c7914af937717e9c1b144 Mon Sep 17 00:00:00 2001 From: Jamie Chen Date: Tue, 14 May 2019 17:18:52 +0800 Subject: mb/google/octopus: Override emmc DLL values for Casta New emmc DLL values for Casta BUG=b:122307918 TEST=Boot to OS on 12 systems Change-Id: Ie51885fb9628fa093ecc38f4a3f3157f751ca9ab Signed-off-by: Jamie Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/32799 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh Reviewed-by: Karthik Ramasubramanian --- .../google/octopus/variants/casta/overridetree.cb | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'src/mainboard/google/octopus') diff --git a/src/mainboard/google/octopus/variants/casta/overridetree.cb b/src/mainboard/google/octopus/variants/casta/overridetree.cb index dc9c9118af..091b3027f4 100644 --- a/src/mainboard/google/octopus/variants/casta/overridetree.cb +++ b/src/mainboard/google/octopus/variants/casta/overridetree.cb @@ -1,4 +1,45 @@ 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" = "0x00000505" + + # 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" = "0x00000c0d" + + # 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" = "0x1c2a2a2a" + + # 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" = "0x00181b1b" + + # 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" = "0x0001000f" + + # 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" = "0x00000a0a" + # Override USB2 PER PORT register (PORT 4) register "usb2eye[4]" = "{ .Usb20OverrideEn = 1, -- cgit v1.2.3