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-rw-r--r--src/mainboard/intel/amenia/devicetree.cb22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/mainboard/intel/amenia/devicetree.cb b/src/mainboard/intel/amenia/devicetree.cb
index 4b620a04bc..0e47d2ec2a 100644
--- a/src/mainboard/intel/amenia/devicetree.cb
+++ b/src/mainboard/intel/amenia/devicetree.cb
@@ -7,11 +7,31 @@ chip soc/intel/apollolake
register "pcie_rp0_clkreq_pin" = "3" # wifi/bt
register "pcie_rp2_clkreq_pin" = "0" # SSD
- # EMMC TX DATA Delay 1#
+ # eMMC TX DATA Delay 1#
# 0x1A[14:8] stands for 26*125 = 3250 pSec delay for HS400
# 0x1A[6:0] stands for 26*125 = 3250 pSec delay for SDR104/HS200
register "emmc_tx_data_cntl1" = "0x1A1A" # HS400 required
+ # eMMC TX DATA Delay 2#
+ # 0x1C[30:24] stands for 28*125 = 3500 pSec delay for SDR50
+ # 0x1C[22:16] stands for 28*125 = 3500 pSec delay for DDR50
+ # 0x1C[14:8] stands for 28*125 = 3500 pSec delay for SDR25/HS50
+ # 0x00[6:0] stands for 0 delay for SDR12/Compatibility mode
+ register "emmc_tx_data_cntl2" = "0x1c1c1c00"
+
+ # eMMC RX CMD/DATA Delay 1#
+ # 0x1C[30:24] stands for 28*125 = 3500 pSec delay for SDR50
+ # 0x1C[22:16] stands for 28*125 = 3500 pSec delay for DDR50
+ # 0x1C[14:8] stands for 28*125 = 3500 pSec delay for SDR25/HS50
+ # 0x00[6:0] stands for 0 delay for SDR12/Compatibility
+ register "emmc_rx_cmd_data_cntl1" = "0x1c1c1c00"
+
+ # eMMC RX CMD/DATA Delay 2#
+ # 0x01[17:16] stands for Rx Clock before Output Buffer
+ # 0x00[14:8] stands for 0 delay for Auto Tuning Mode
+ # 0x1C[6:0] stands for 28*125 = 3500 pSec delay for SDR104/HS200
+ register "emmc_rx_cmd_data_cntl2" = "0x1001c"
+
# LPSS S0ix Enable
register "lpss_s0ix_enable" = "1"