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authorKane Chen <kane.chen@intel.com>2019-01-21 10:19:46 +0800
committerFurquan Shaikh <furquan@google.com>2019-01-23 06:42:23 +0000
commitd78a202843f4de515b772630a7ae335c8b0f83fa (patch)
treecded7aa96518f90f427fa3ad611c44c2acad0fce /src/mainboard/google/octopus
parent6b239d8e08a8cf61bbadc562a3e397386da737f3 (diff)
downloadcoreboot-d78a202843f4de515b772630a7ae335c8b0f83fa.tar.xz
mb/google/octopus: Override emmc DLL values for Meep
New emmc DLL values for Meep. BUG=b:122308271 TEST=Boot to OS on 13 Meep system Change-Id: I4247114ed69ff3aa283f0f72d5531ad0f37309ad Signed-off-by: Kane Chen <kane.chen@intel.com> Reviewed-on: https://review.coreboot.org/c/31021 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Justin TerAvest <teravest@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/octopus')
-rw-r--r--src/mainboard/google/octopus/variants/meep/overridetree.cb41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/meep/overridetree.cb b/src/mainboard/google/octopus/variants/meep/overridetree.cb
index f7aeac1085..c639b733f1 100644
--- a/src/mainboard/google/octopus/variants/meep/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/meep/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" = "0x0b0d"
+
+ # 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" = "0x00171a1a"
+
+ # 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" = "0x10028"
+
+ # 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" = "0x0b0b"
+
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |