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authorBora Guvendik <bora.guvendik@intel.com>2018-12-05 15:10:30 -0800
committerAaron Durbin <adurbin@chromium.org>2018-12-19 15:59:39 +0000
commitd652a92a6a9e846347e5a97bf2f986b09b9b7d2f (patch)
treeb3ed2860db789f9155cff4b780b9dc881d43aee3 /src/mainboard
parent817994c1bec48733679c34fe717a07ad81af18ac (diff)
downloadcoreboot-d652a92a6a9e846347e5a97bf2f986b09b9b7d2f.tar.xz
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> Reviewed-on: https://review.coreboot.org/c/30073 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Justin TerAvest <teravest@chromium.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/octopus/variants/yorp/overridetree.cb41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/yorp/overridetree.cb b/src/mainboard/google/octopus/variants/yorp/overridetree.cb
index de711bae08..8d4cd15003 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