mb/google/brya/var/trulo: Add eMMC descriptions

This patch adds descriptions for eMMC device (supported mode and DLL
tuning) to the device tree.

BUG=b:351976770
TEST=Builds successfully for google/trulo.

Change-Id: I8f1310313b8114731aa417610f245f94c8978ac0
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83552
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
This commit is contained in:
Subrata Banik
2024-07-19 00:08:46 +05:30
parent 5b761660c6
commit 1629f4bf7c

View File

@@ -19,6 +19,55 @@ chip soc/intel/alderlake
# Enable CNVi BT
register "cnvi_bt_core" = "true"
# eMMC HS400
register "emmc_enable_hs400_mode" = "1"
#eMMC DLL tuning parameters
# 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" = "0x505"
# 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" = "0x909"
# 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" = "0x1C2A2828"
# 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" = "0x1C1B4F1B"
# 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" = "0x1004E"
# 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" = "0x01515"
register "usb2_ports[0]" = "USB2_PORT_MID(OC1)" # USB2_A0(MLB)
register "usb2_ports[1]" = "USB2_PORT_MID(OC_SKIP)" # USB2_A1 (DB)
register "usb2_ports[2]" = "USB2_PORT_MID(OC_SKIP)" # M.2 Camera