summaryrefslogtreecommitdiff
path: root/src/mainboard
diff options
context:
space:
mode:
authorKangheui Won <khwon@chromium.org>2019-12-18 12:22:43 -0800
committerEdward O'Callaghan <quasisec@chromium.org>2019-12-19 13:47:40 +0000
commitbd3037bfa70e2a0ccc1e7a7c89353bcb6491d527 (patch)
treefc50aca9688a1e7062a1258728639afa90568d9e /src/mainboard
parent9a5fc849fda7c2e5e6a57c3ed6bd8483269b3dfb (diff)
downloadcoreboot-bd3037bfa70e2a0ccc1e7a7c89353bcb6491d527.tar.xz
mainboard/google/puff: enable emmc
enable eMMC in puff/overridetree.cb BRANCH=none BUG=b:146455177 TEST=./util/abuild/abuild -p none -t google/hatch -x -a Change-Id: I432f437e0c9a618bbbf76d22976ea757c8fbdb83 Signed-off-by: Kangheui Won <khwon@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/37817 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/hatch/variants/puff/overridetree.cb49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index d5e2e5afb5..384bb9a6d0 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -15,6 +15,54 @@ chip soc/intel/cannonlake
[PchSerialIoIndexUART2] = PchSerialIoDisabled,
}"
+ # Enable eMMC HS400
+ register "ScsEmmcHs400Enabled" = "1"
+
+ # EMMC Tx CMD Delay
+ # Refer to EDS-Vol2-14.3.7.
+ # [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-Vol2-14.3.8.
+ # [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" = "0x911"
+
+ # EMMC TX DATA Delay 2
+ # Refer to EDS-Vol2-14.3.9.
+ # [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" = "0x1C262828"
+
+ # EMMC RX CMD/DATA Delay 1
+ # Refer to EDS-Vol2-14.3.10.
+ # [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" = "0x1C16583b"
+
+ # EMMC RX CMD/DATA Delay 2
+ # Refer to EDS-Vol2-14.3.12.
+ # [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" = "0x1001D"
+
+ # EMMC Rx Strobe Delay
+ # Refer to EDS-Vol2-14.3.11.
+ # [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" = "0x1515"
+
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |
@@ -94,6 +142,7 @@ chip soc/intel/cannonlake
device i2c 1a on end
end
end #I2C #4
+ device pci 1a.0 on end # eMMC
device pci 1e.3 off end # GSPI #1
end