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authorMatt DeVillier <matt.devillier@gmail.com>2017-08-29 00:21:10 -0500
committerMartin Roth <martinroth@google.com>2017-10-13 15:19:55 +0000
commitc8374e32920d2bffbd5fe7b65621fe0b90cfb19e (patch)
tree02733e664dd05f934800d70fe66a875ae0524b51 /src
parent35213664cf8f490df3e6b79199774b84f7648d01 (diff)
downloadcoreboot-c8374e32920d2bffbd5fe7b65621fe0b90cfb19e.tar.xz
google/relm: add new board as variant of cyan baseboard
Add support for google/relm (white label Chromebook) as a variant of the cyan Braswell baseboard. - Add board-specific code as the new relm variant - Add new shared SPD files to baseboard Sourced from Chromium branch firmware-strago-7287.B, commit 02dc8db: Banon: 2nd source DDR memory (Micro-MT52L256M32D1PF) Change-Id: Ife10f5f75435f356cd896588dd6f425e54f3c88e Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/21574 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/cyan/Kconfig4
-rw-r--r--src/mainboard/google/cyan/Kconfig.name4
-rw-r--r--src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8GTALAR-NUD.spd.hex32
-rw-r--r--src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8JTBLAR-NUD-1G-1866.spd.hex16
-rw-r--r--src/mainboard/google/cyan/variants/relm/Makefile.inc45
-rw-r--r--src/mainboard/google/cyan/variants/relm/board_info.txt6
-rw-r--r--src/mainboard/google/cyan/variants/relm/devicetree.cb157
-rw-r--r--src/mainboard/google/cyan/variants/relm/gpio.c262
-rw-r--r--src/mainboard/google/cyan/variants/relm/include/variant/acpi/dptf.asl85
-rw-r--r--src/mainboard/google/cyan/variants/relm/include/variant/acpi/mainboard.asl27
-rw-r--r--src/mainboard/google/cyan/variants/relm/include/variant/onboard.h70
-rw-r--r--src/mainboard/google/cyan/variants/relm/ramstage.c40
-rw-r--r--src/mainboard/google/cyan/variants/relm/romstage.c47
-rw-r--r--src/mainboard/google/cyan/variants/relm/spd_util.c76
14 files changed, 871 insertions, 0 deletions
diff --git a/src/mainboard/google/cyan/Kconfig b/src/mainboard/google/cyan/Kconfig
index 0726be8467..d9c4af08f0 100644
--- a/src/mainboard/google/cyan/Kconfig
+++ b/src/mainboard/google/cyan/Kconfig
@@ -48,6 +48,7 @@ config VARIANT_DIR
default "edgar" if BOARD_GOOGLE_EDGAR
default "kefka" if BOARD_GOOGLE_KEFKA
default "reks" if BOARD_GOOGLE_REKS
+ default "relm" if BOARD_GOOGLE_RELM
default "terra" if BOARD_GOOGLE_TERRA
config MAINBOARD_PART_NUMBER
@@ -58,6 +59,7 @@ config MAINBOARD_PART_NUMBER
default "Edgar" if BOARD_GOOGLE_EDGAR
default "Kefka" if BOARD_GOOGLE_KEFKA
default "Reks" if BOARD_GOOGLE_REKS
+ default "Relm" if BOARD_GOOGLE_RELM
default "Terra" if BOARD_GOOGLE_TERRA
config MAINBOARD_VENDOR
@@ -72,6 +74,7 @@ config DEVICETREE
default "variants/edgar/devicetree.cb" if BOARD_GOOGLE_EDGAR
default "variants/kefka/devicetree.cb" if BOARD_GOOGLE_KEFKA
default "variants/reks/devicetree.cb" if BOARD_GOOGLE_REKS
+ default "variants/relm/devicetree.cb" if BOARD_GOOGLE_RELM
default "variants/terra/devicetree.cb" if BOARD_GOOGLE_TERRA
config VGA_BIOS_FILE
@@ -100,6 +103,7 @@ config GBB_HWID
default "EDGAR TEST A-A 2507" if BOARD_GOOGLE_EDGAR
default "KEFKA TEST A-A 5397" if BOARD_GOOGLE_KEFKA
default "REKS TEST A-A 3004" if BOARD_GOOGLE_REKS
+ default "RELM TEST A-A 2323" if BOARD_GOOGLE_RELM
default "TERRA TEST A-A 1650" if BOARD_GOOGLE_TERRA
endif # BOARD_GOOGLE_BASEBOARD_CYAN
diff --git a/src/mainboard/google/cyan/Kconfig.name b/src/mainboard/google/cyan/Kconfig.name
index 82e801aff1..77acf3603c 100644
--- a/src/mainboard/google/cyan/Kconfig.name
+++ b/src/mainboard/google/cyan/Kconfig.name
@@ -22,6 +22,10 @@ config BOARD_GOOGLE_REKS
bool "Reks"
select BOARD_GOOGLE_BASEBOARD_CYAN
+config BOARD_GOOGLE_RELM
+ bool "Relm"
+ select BOARD_GOOGLE_BASEBOARD_CYAN
+
config BOARD_GOOGLE_TERRA
bool "Terra"
select BOARD_GOOGLE_BASEBOARD_CYAN
diff --git a/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8GTALAR-NUD.spd.hex b/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8GTALAR-NUD.spd.hex
new file mode 100644
index 0000000000..e0734c3318
--- /dev/null
+++ b/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8GTALAR-NUD.spd.hex
@@ -0,0 +1,32 @@
+91 20 F1 03 05 19 05 03
+03 11 01 08 09 00 40 05
+78 78 90 50 90 11 50 E0
+90 06 3C 3C 01 90 00 00
+00 00 CA FA 00 00 00 A8
+00 88 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 80 AD 01
+00 00 00 00 00 00 00 00
+48 39 43 43 4E 4E 4E 38
+47 54 41 4C 41 52 2D 4E
+55 44 00 00 80 AD 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
+ff ff ff ff ff ff ff ff
diff --git a/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8JTBLAR-NUD-1G-1866.spd.hex b/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8JTBLAR-NUD-1G-1866.spd.hex
new file mode 100644
index 0000000000..529b775c71
--- /dev/null
+++ b/src/mainboard/google/cyan/spd/hynix_dimm_H9CCNNN8JTBLAR-NUD-1G-1866.spd.hex
@@ -0,0 +1,16 @@
+91 20 F1 03 04 11 05 0B 03 11 01 08 09 00 40 05
+78 78 90 50 90 11 50 E0 10 04 3C 3C 01 90 00 00
+00 00 CA FA 00 00 00 A8 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 80 AD 01 00 00 00 00 00 00 00 00
+48 39 43 43 4E 4E 4E 38 4A 54 42 4C 41 52 2D 4E
+55 44 00 00 80 AD 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 \ No newline at end of file
diff --git a/src/mainboard/google/cyan/variants/relm/Makefile.inc b/src/mainboard/google/cyan/variants/relm/Makefile.inc
new file mode 100644
index 0000000000..c2c1b25155
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/Makefile.inc
@@ -0,0 +1,45 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2013 Google Inc.
+## Copyright (C) 2015 Intel Corp.
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; version 2 of the License.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+
+romstage-y += romstage.c
+romstage-y += spd_util.c
+
+ramstage-y += gpio.c
+ramstage-y += ramstage.c
+
+SPD_BIN = $(obj)/spd.bin
+
+SPD_SOURCES = samsung_2GiB_dimm_K4E8E304EE-EGCF
+SPD_SOURCES += hynix_2GiB_dimm_H9CCNNN8GTMLAR-NUD
+SPD_SOURCES += micron_2GiB_dimm_MT52L256M32D1PF
+SPD_SOURCES += samsung_2GiB_dimm_K4E8E324EB-EGCF
+SPD_SOURCES += micron_2GiB_dimm_EDF8132A3MA-JD-F
+SPD_SOURCES += hynix_dimm_H9CCNNN8JTBLAR-NUD-1G-1866
+SPD_SOURCES += hynix_dimm_H9CCNNN8GTALAR-NUD
+
+SPD_DEPS := $(foreach f, $(SPD_SOURCES), src/mainboard/$(MAINBOARDDIR)/spd/$(f).spd.hex)
+
+# Include spd ROM data
+$(SPD_BIN): $(SPD_DEPS)
+ for f in $+; \
+ do for c in $$(cat $$f | grep -v ^#); \
+ do printf $$(printf '\%o' 0x$$c); \
+ done; \
+ done > $@
+
+cbfs-files-y += spd.bin
+spd.bin-file := $(SPD_BIN)
+spd.bin-type := spd
diff --git a/src/mainboard/google/cyan/variants/relm/board_info.txt b/src/mainboard/google/cyan/variants/relm/board_info.txt
new file mode 100644
index 0000000000..94488183a2
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/board_info.txt
@@ -0,0 +1,6 @@
+Vendor name: Google
+Board name: Relm
+Category: laptop
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
diff --git a/src/mainboard/google/cyan/variants/relm/devicetree.cb b/src/mainboard/google/cyan/variants/relm/devicetree.cb
new file mode 100644
index 0000000000..eb48ace92c
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/devicetree.cb
@@ -0,0 +1,157 @@
+chip soc/intel/braswell
+
+ ############################################################
+ # Set the parameters for MemoryInit
+ ############################################################
+
+ register "PcdMrcInitTsegSize" = "8" # SMM Region size in MiB
+
+ register "PcdMrcInitMmioSize" = "0x0800"
+ register "PcdMrcInitSpdAddr1" = "0xa0"
+ register "PcdMrcInitSpdAddr2" = "0xa2"
+ register "PcdIgdDvmt50PreAlloc" = "1"
+ register "PcdApertureSize" = "2"
+ register "PcdGttSize" = "1"
+ register "PcdDvfsEnable" = "1"
+ register "PcdCaMirrorEn" = "1"
+
+ ############################################################
+ # Set the parameters for SiliconInit
+ ############################################################
+
+ register "PcdSdcardMode" = "PCH_ACPI_MODE"
+ register "PcdEnableHsuart0" = "0"
+ register "PcdEnableHsuart1" = "1"
+ register "PcdEnableAzalia" = "1"
+ register "PcdEnableXhci" = "1"
+ register "PcdEnableLpe" = "1"
+ register "PcdEnableDma0" = "1"
+ register "PcdEnableDma1" = "1"
+ register "PcdEnableI2C0" = "1"
+ register "PcdEnableI2C1" = "1"
+ register "PcdEnableI2C2" = "0"
+ register "PcdEnableI2C3" = "0"
+ register "PcdEnableI2C4" = "1"
+ register "PcdEnableI2C5" = "1"
+ register "PcdEnableI2C6" = "0"
+ register "PunitPwrConfigDisable" = "0" # Enable SVID
+ register "ChvSvidConfig" = "SVID_PMIC_CONFIG"
+ register "PcdEmmcMode" = "PCH_ACPI_MODE"
+ register "PcdUsb3ClkSsc" = "1"
+ register "PcdDispClkSsc" = "1"
+ register "PcdSataClkSsc" = "1"
+ register "PcdEnableSata" = "0" # Disable SATA
+ register "Usb2Port0PerPortPeTxiSet" = "7"
+ register "Usb2Port0PerPortTxiSet" = "5"
+ register "Usb2Port0IUsbTxEmphasisEn" = "2"
+ register "Usb2Port0PerPortTxPeHalf" = "1"
+ register "Usb2Port1PerPortPeTxiSet" = "7"
+ register "Usb2Port1PerPortTxiSet" = "3"
+ register "Usb2Port1IUsbTxEmphasisEn" = "2"
+ register "Usb2Port1PerPortTxPeHalf" = "1"
+ register "Usb2Port2PerPortPeTxiSet" = "7"
+ register "Usb2Port2PerPortTxiSet" = "3"
+ register "Usb2Port2IUsbTxEmphasisEn" = "2"
+ register "Usb2Port2PerPortTxPeHalf" = "1"
+ register "Usb2Port3PerPortPeTxiSet" = "7"
+ register "Usb2Port3PerPortTxiSet" = "3"
+ register "Usb2Port3IUsbTxEmphasisEn" = "2"
+ register "Usb2Port3PerPortTxPeHalf" = "1"
+ register "Usb2Port4PerPortPeTxiSet" = "7"
+ register "Usb2Port4PerPortTxiSet" = "3"
+ register "Usb2Port4IUsbTxEmphasisEn" = "2"
+ register "Usb2Port4PerPortTxPeHalf" = "1"
+ register "Usb3Lane0Ow2tapgen2deemph3p5" = "0x3a"
+ register "Usb3Lane1Ow2tapgen2deemph3p5" = "0x64"
+ register "Usb3Lane2Ow2tapgen2deemph3p5" = "0x64"
+ register "Usb3Lane3Ow2tapgen2deemph3p5" = "0x3a"
+ register "PcdSataInterfaceSpeed" = "3"
+ register "PcdPchSsicEnable" = "1"
+ register "PcdRtcLock" = "0" # Disable RTC access locking to NVRAM
+ register "PMIC_I2CBus" = "1"
+ register "ISPEnable" = "0" # Disable IUNIT
+ register "ISPPciDevConfig" = "3"
+ register "PcdSdDetectChk" = "0" # Disable SD card detect
+ register "I2C0Frequency" = "1"
+ register "I2C1Frequency" = "2" # Set the PMIC clock speed to 1Mhz
+ register "I2C2Frequency" = "1"
+ register "I2C3Frequency" = "1"
+ register "I2C4Frequency" = "1"
+ register "I2C5Frequency" = "1"
+ register "I2C6Frequency" = "1"
+
+ # Follow Intel recommendation to set BSW D-stepping PERPORTRXISET 2 (low strength)
+ register "D0Usb2Port0PerPortRXISet" = "2"
+ register "D0Usb2Port1PerPortRXISet" = "2"
+ register "D0Usb2Port2PerPortRXISet" = "2"
+ register "D0Usb2Port3PerPortRXISet" = "2"
+ register "D0Usb2Port4PerPortRXISet" = "2"
+
+ # LPE audio codec settings
+ register "lpe_codec_clk_src" = "LPE_CLK_SRC_XTAL" # 19.2MHz clock
+
+ # Enable devices in ACPI mode
+ register "lpss_acpi_mode" = "1"
+ register "emmc_acpi_mode" = "1"
+ register "sd_acpi_mode" = "1"
+ register "lpe_acpi_mode" = "1"
+
+ # Disable SLP_X stretching after SUS power well fail.
+ register "disable_slp_x_stretch_sus_fail" = "1"
+
+ # Allow PCIe devices to wake system from suspend
+ register "pcie_wake_enable" = "1"
+
+ device cpu_cluster 0 on
+ device lapic 0 on end
+ end
+ device domain 0 on
+ # EDS Table 24-4, Figure 24-5
+ device pci 00.0 on end # 8086 2280 - SoC transaction router
+ device pci 02.0 on end # 8086 22b0/22b1 - B1/C0 stepping Graphics and Display
+ device pci 03.0 off end # 8086 22b8 - Camera and Image Processor
+ device pci 0b.0 on end # 8086 22dc - ?
+ device pci 10.0 on end # 8086 2294 - MMC Port
+ device pci 11.0 off end # 8086 0F15 - SDIO Port
+ device pci 12.0 on end # 8086 0F16 - SD Port
+ device pci 13.0 off end # 8086 22a3 - Sata controller
+ device pci 14.0 on end # 8086 22b5 - USB XHCI - Only 1 USB controller at a time
+ device pci 15.0 on end # 8086 22a8 - LP Engine Audio
+ device pci 16.0 off end # 8086 22b7 - USB device
+ device pci 18.0 on end # 8086 22c0 - SIO - DMA
+ device pci 18.1 on end # 8086 22c1 - I2C Port 1
+ device pci 18.2 on end # 8086 22c2 - I2C Port 2
+ device pci 18.3 off end # 8086 22c3 - I2C Port 3
+ device pci 18.4 off end # 8086 22c4 - I2C Port 4
+ device pci 18.5 on end # 8086 22c5 - I2C Port 5
+ device pci 18.6 on end # 8086 22c6 - I2C Port 6
+ device pci 18.7 off end # 8086 22c7 - I2C Port 7
+ device pci 1a.0 off end # 8086 0F18 - Trusted Execution Engine
+ device pci 1b.0 on end # 8086 0F04 - HD Audio
+ device pci 1c.0 on end # 8086 0000 - PCIe Root Port 1
+ device pci 1c.1 off end # 8086 0000 - PCIe Root Port 2
+ device pci 1c.2 on end # 8086 0000 - PCIe Root Port 3
+ device pci 1c.3 off end # 8086 0000 - PCIe Root Port 4
+ device pci 1e.0 on end # 8086 2286 - SIO - DMA
+ device pci 1e.1 off end # 8086 0F08 - PWM 1
+ device pci 1e.2 off end # 8086 0F09 - PWM 2
+ device pci 1e.3 off end # 8086 228a - HSUART 1
+ device pci 1e.4 off end # 8086 228c - HSUART 2
+ device pci 1e.5 on end # 8086 228e - SPI 1
+ device pci 1e.6 off end # 8086 2290 - SPI 2
+ device pci 1e.7 off end # 8086 22ac - SPI 3
+ device pci 1f.0 on # 8086 229c - LPC bridge
+ chip drivers/pc80/tpm
+ # Rising edge interrupt
+ register "irq_polarity" = "2"
+ device pnp 0c31.0 on
+ irq 0x70 = 10
+ end
+ end
+ chip ec/google/chromeec
+ device pnp 0c09.0 on end
+ end
+ end # LPC Bridge
+ device pci 1f.3 off end # 8086 0F12 - SMBus 0
+ end
+end
diff --git a/src/mainboard/google/cyan/variants/relm/gpio.c b/src/mainboard/google/cyan/variants/relm/gpio.c
new file mode 100644
index 0000000000..8bd911c18e
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/gpio.c
@@ -0,0 +1,262 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <mainboard/google/cyan/irqroute.h>
+#include <soc/gpio.h>
+#include <stdlib.h>
+
+
+/* South East Community */
+static const struct soc_gpio_map gpse_gpio_map[] = {
+ Native_M1,/* MF_PLT_CLK0 */
+ GPIO_NC, /* 01 PWM1 */
+ GPIO_INPUT_NO_PULL, /* 02 MF_PLT_CLK1, RAMID2 */
+ GPIO_NC, /* 03 MF_PLT_CLK4 */
+ GPIO_NC, /* 04 MF_PLT_CLK3 */
+ GPIO_NC, /* PWM0 05 */
+ GPIO_NC, /* 06 MF_PLT_CLK5 */
+ GPIO_NC, /* 07 MF_PLT_CLK2 */
+ GPIO_NC, /* 15 SDMMC2_D3_CD_B */
+ Native_M1, /* 16 SDMMC1_CLK */
+ NATIVE_PU20K(1), /* 17 SDMMC1_D0 */
+ GPIO_NC, /* 18 SDMMC2_D1 */
+ GPIO_NC, /* 19 SDMMC2_CLK */
+ NATIVE_PU20K(1),/* 20 SDMMC1_D2 */
+ GPIO_NC, /* 21 SDMMC2_D2 */
+ GPIO_NC, /* 22 SDMMC2_CMD */
+ NATIVE_PU20K(1), /* 23 SDMMC1_CMD */
+ NATIVE_PU20K(1), /* 24 SDMMC1_D1 */
+ GPIO_NC, /* 25 SDMMC2_D0 */
+ NATIVE_PU20K(1), /* 26 SDMMC1_D3_CD_B */
+ NATIVE_PU20K(1), /* 30 SDMMC3_D1 */
+ Native_M1, /* 31 SDMMC3_CLK */
+ NATIVE_PU20K(1), /* 32 SDMMC3_D3 */
+ NATIVE_PU20K(1), /* 33 SDMMC3_D2 */
+ NATIVE_PU20K(1), /* 34 SDMMC3_CMD */
+ NATIVE_PU20K(1), /* 35 SDMMC3_D0 */
+ NATIVE_PU20K(1), /* 45 MF_LPC_AD2 */
+ NATIVE_PU20K(1), /* 46 LPC_CLKRUNB */
+ NATIVE_PU20K(1), /* 47 MF_LPC_AD0 */
+ Native_M1, /* 48 LPC_FRAMEB */
+ Native_M1, /* 49 MF_LPC_CLKOUT1 */
+ NATIVE_PU20K(1), /* 50 MF_LPC_AD3 */
+ Native_M1, /* 51 MF_LPC_CLKOUT0 */
+ NATIVE_PU20K(1), /* 52 MF_LPC_AD1 */
+ Native_M1,/* SPI1_MISO */
+ Native_M1, /* 61 SPI1_CS0_B */
+ Native_M1, /* SPI1_CLK */
+ NATIVE_PU20K(1), /* 63 MMC1_D6 */
+ Native_M1, /* 62 SPI1_MOSI */
+ NATIVE_PU20K(1), /* 65 MMC1_D5 */
+ GPIO_NC, /* SPI1_CS1_B 66 */
+ NATIVE_PU20K(1), /* 67 MMC1_D4_SD_WE */
+ NATIVE_PU20K(1), /* 68 MMC1_D7 */
+ GPIO_NC, /* 69 MMC1_RCLK */
+ Native_M1, /* 75 GPO USB_OC1_B */
+ Native_M1, /* 76 PMU_RESETBUTTON_B */
+ GPI(trig_edge_both, L0, NA, non_maskable, en_edge_detect, NA , NA),
+ /* GPIO_ALERT 77 */
+ Native_M1, /* 78 SDMMC3_PWR_EN_B */
+ GPIO_NC, /* 79 GPI ILB_SERIRQ */
+ Native_M1, /* 80 USB_OC0_B */
+ NATIVE_INT_PU20K(1, L1), /* 81 SDMMC3_CD_B */
+ GPIO_NC, /* 82 spkr assumed gpio number */
+ Native_M1, /* 83 SUSPWRDNACK */
+ SPARE_PIN,/* 84 spare pin */
+ Native_M1, /* 85 SDMMC3_1P8_EN */
+ GPIO_END
+};
+
+
+/* South West Community */
+static const struct soc_gpio_map gpsw_gpio_map[] = {
+ GPIO_NC, /* 00 FST_SPI_D2 */
+ Native_M1, /* 01 FST_SPI_D0 */
+ Native_M1, /* 02 FST_SPI_CLK */
+ GPIO_NC, /* 03 FST_SPI_D3 */
+ GPIO_NC, /* GPO FST_SPI_CS1_B */
+ Native_M1, /* 05 FST_SPI_D1 */
+ Native_M1, /* 06 FST_SPI_CS0_B */
+ GPIO_NC, /* 07 FST_SPI_CS2_B */
+ GPIO_NC, /* 15 UART1_RTS_B */
+ Native_M2, /* 16 UART1_RXD */
+ GPIO_NC, /* 17 UART2_RXD */
+ GPIO_NC, /* 18 UART1_CTS_B */
+ GPIO_NC, /* 19 UART2_RTS_B */
+ Native_M2, /* 20 UART1_TXD */
+ GPIO_NC, /* 21 UART2_TXD */
+ GPIO_NC, /* 22 UART2_CTS_B */
+ GPIO_NC, /* 30 MF_HDA_CLK */
+ GPIO_NC, /* 31 GPIO_SW31/MF_HDA_RSTB */
+ GPIO_NC, /* 32 GPIO_SW32 /MF_HDA_SDI0 */
+ GPIO_NC, /* 33 MF_HDA_SDO */
+ GPI(trig_edge_both, L3, P_1K_H, non_maskable, en_edge_detect, NA, NA),
+ /* 34 MF_HDA_DOCKRSTB */
+ GPIO_NC, /* 35 MF_HDA_SYNC */
+ GPIO_NC, /* 36 GPIO_SW36 MF_HDA_SDI1 */
+ GPI(trig_edge_both, L2, P_1K_H, non_maskable, en_edge_detect, NA, NA),
+ /* 37 MF_HDA_DOCKENB */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 45 I2C5_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 46 I2C4_SDA */
+ NATIVE_PU20K(2), /* 47 I2C6_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 48 I2C5_SCL */
+ GPIO_NC, /* 49 I2C_NFC_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 50 I2C4_SCL */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 51 I2C6_SCL */
+ GPIO_NC, /* 52 I2C_NFC_SCL */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 60 I2C1_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 61 I2C0_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 62 I2C2_SDA */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 63 I2C1_SCL */
+ GPIO_INPUT_NO_PULL, /* 64 I2C3_SDA RAMID3*/
+ NATIVE_PU1K_CSEN_INVTX(1), /* 65 I2C0_SCL */
+ NATIVE_PU1K_CSEN_INVTX(1), /* 66 I2C2_SCL */
+ GPIO_INPUT_NO_PULL,/* 67 I2C3_SCL,RAMID1 */
+ GPIO_OUT_HIGH, /* 75 SATA_GP0 */
+ GPIO_NC,
+ /* 76 GPI SATA_GP1 */
+ GPIO_INPUT_PU_20K, /* 77 SATA_LEDN */
+ GPIO_NC, /* 80 SATA_GP3 */
+ Native_M1, /* 81 NFC_DEV_WAKE , MF_SMB_CLK */
+ GPIO_INPUT_NO_PULL, /* 80 SATA_GP3,RAMID0 */
+ Native_M1, /* 81 NFC_DEV_WAKE , MF_SMB_CLK */
+ Native_M1, /* 82 NFC_FW_DOWNLOAD, MF_SMB_DATA */
+ /* Per DE request, change PCIE_CLKREQ0123B to GPIO_INPUT */
+ Native_M1, /* 90 PCIE_CLKREQ0B */
+ GPIO_INPUT_PU_20K, /* 91 GPI PCIE_CLKREQ1B/LTE_WAKE# */
+ Native_M1, /* 92 GP_SSP_2_CLK */
+ NATIVE_PU20K(1), /* 93 PCIE_CLKREQ2B/PCIE_CLKREQ_WLAN# */
+ Native_M1, /* 94 GP_SSP_2_RXD */
+ GPI(trig_edge_both, L1, P_5K_H, non_maskable, en_edge_detect, NA, NA),
+ /* 95 PCIE_CLKREQ3B/AUDIO_CODEC_IRQ */
+ Native_M1, /* 96 GP_SSP_2_FS */
+ NATIVE_FUNC(1, 0, inv_tx_enable), /* 97 GP_SSP_2f_TXD */
+ GPIO_END
+};
+
+
+/* North Community */
+static const struct soc_gpio_map gpn_gpio_map[] = {
+ GPIO_NC, /* 00 GPIO_DFX0 */
+ GPIO_NC, /* 01 GPIO_DFX3 */
+ GPIO_NC, /* 02 GPIO_DFX7 */
+ GPIO_NC, /* 03 GPIO_DFX1 */
+ GPIO_NC, /* 04 GPIO_DFX5 */
+ GPIO_NC, /* 05 GPIO_DFX4 */
+ GPIO_NC, /* 06 GPIO_DFX8 */
+ GPIO_NC, /* 07 GPIO_DFX2 */
+ GPIO_NC, /* 08 GPIO_DFX6 */
+ GPI(trig_edge_low, L8, NA, non_maskable, en_edge_rx_data ,
+ UNMASK_WAKE, SCI), /* 15 GPIO_SUS0 */
+ GPO_FUNC(NA, NA), /* 16 SEC_GPIO_SUS10 */
+ GPI(trig_edge_low, L0, P_1K_H, non_maskable, NA, NA, NA),
+ /* 17 GPIO_SUS3 */
+ GPI(trig_edge_low, L1, P_1K_H, non_maskable, NA, UNMASK_WAKE, NA),
+ /* 18 GPIO_SUS7 */
+ GPI(trig_edge_low, L3, P_1K_H, non_maskable, NA, UNMASK_WAKE, NA),
+ /* 19 GPIO_SUS1 */
+ GPIO_NC, /* 20 GPIO_SUS5 */
+ GPIO_NC, /* 21 SEC_GPIO_SUS11 */
+ GPIO_NC, /* 22 GPIO_SUS4 */
+ GPIO_NC,
+ /* 23 SEC_GPIO_SUS8 */
+ Native_M6, /* 24 GPIO_SUS2 */
+ GPIO_INPUT_PU_5K,/* 25 GPIO_SUS6 */
+ Native_M1, /* 26 CX_PREQ_B */
+ GPIO_NC, /* 27 SEC_GPIO_SUS9 */
+ Native_M1, /* 30 TRST_B */
+ Native_M1, /* 31 TCK */
+ GPIO_SKIP, /* 32 PROCHOT_B */
+ GPIO_SKIP, /* 33 SVID0_DATA */
+ Native_M1, /* 34 TMS */
+ GPIO_NC, /* 35 CX_PRDY_B_2 */
+ GPIO_NC, /* 36 TDO_2 */
+ Native_M1, /* 37 CX_PRDY_B */
+ GPIO_SKIP, /* 38 SVID0_ALERT_B */
+ Native_M1, /* 39 TDO */
+ GPIO_SKIP, /* 40 SVID0_CLK */
+ Native_M1, /* 41 TDI */
+ Native_M2, /* 45 GP_CAMERASB05 */
+ Native_M2, /* 46 GP_CAMERASB02 */
+ Native_M2, /* 47 GP_CAMERASB08 */
+ Native_M2, /* 48 GP_CAMERASB00 */
+ Native_M2, /* 49 GP_CAMERASBO6 */
+ GPIO_NC, /* 50 GP_CAMERASB10 */
+ Native_M2, /* 51 GP_CAMERASB03 */
+ GPIO_NC, /* 52 GP_CAMERASB09 */
+ Native_M2, /* 53 GP_CAMERASB01 */
+ Native_M2, /* 54 GP_CAMERASB07 */
+ GPIO_NC, /* 55 GP_CAMERASB11 */
+ Native_M2, /* 56 GP_CAMERASB04 */
+ GPIO_NC, /* 60 PANEL0_BKLTEN */
+ Native_M1, /* 61 HV_DDI0_HPD */
+ NATIVE_PU1K_M1, /* 62 HV_DDI2_DDC_SDA */
+ Native_M1, /* 63 PANEL1_BKLTCTL */
+ NATIVE_TX_RX_EN, /* 64 HV_DDI1_HPD */
+ GPIO_NC, /* 65 PANEL0_BKLTCTL */
+ GPIO_NC, /* 66 HV_DDI0_DDC_SDA */
+ NATIVE_PU1K_M1, /* 67 HV_DDI2_DDC_SCL */
+ NATIVE_TX_RX_EN, /* 68 HV_DDI2_HPD */
+ Native_M1, /* 69 PANEL1_VDDEN */
+ Native_M1, /* 70 PANEL1_BKLTEN */
+ GPIO_NC, /* 71 HV_DDI0_DDC_SCL */
+ GPIO_NC, /* 72 PANEL0_VDDEN */
+ GPIO_END
+};
+
+
+/* East Community */
+static const struct soc_gpio_map gpe_gpio_map[] = {
+ Native_M1, /* 00 PMU_SLP_S3_B */
+ GPIO_NC, /* 01 PMU_BATLOW_B */
+ Native_M1, /* 02 SUS_STAT_B */
+ Native_M1, /* 03 PMU_SLP_S0IX_B */
+ Native_M1, /* 04 PMU_AC_PRESENT */
+ Native_M1, /* 05 PMU_PLTRST_B */
+ Native_M1, /* 06 PMU_SUSCLK */
+ GPIO_NC, /* 07 PMU_SLP_LAN_B */
+ Native_M1, /* 08 PMU_PWRBTN_B */
+ Native_M1, /* 09 PMU_SLP_S4_B */
+ NATIVE_FUNC(M1, P_1K_H, NA), /* 10 PMU_WAKE_B */
+ GPIO_NC, /* 11 PMU_WAKE_LAN_B */
+ GPIO_NC, /* 15 MF_GPIO_3 */
+ GPIO_NC, /* 16 MF_GPIO_7 */
+ GPIO_NC, /* 17 MF_I2C1_SCL */
+ GPIO_NC, /* 18 MF_GPIO_1 */
+ GPIO_NC, /* 19 MF_GPIO_5 */
+ GPIO_NC, /* 20 MF_GPIO_9 */
+ GPIO_NC, /* 21 MF_GPIO_0 */
+ GPIO_INPUT_PU_20K, /* 22 MF_GPIO_4 */
+ GPIO_NC, /* 23 MF_GPIO_8 */
+ GPIO_NC, /* 24 MF_GPIO_2 */
+ GPIO_NC, /* 25 MF_GPIO_6 */
+ GPIO_NC, /* 26 MF_I2C1_SDA */
+ GPIO_END
+};
+
+
+static struct soc_gpio_config gpio_config = {
+ /* BSW */
+ .north = gpn_gpio_map,
+ .southeast = gpse_gpio_map,
+ .southwest = gpsw_gpio_map,
+ .east = gpe_gpio_map
+};
+
+struct soc_gpio_config *mainboard_get_gpios(void)
+{
+ return &gpio_config;
+}
diff --git a/src/mainboard/google/cyan/variants/relm/include/variant/acpi/dptf.asl b/src/mainboard/google/cyan/variants/relm/include/variant/acpi/dptf.asl
new file mode 100644
index 0000000000..2c93061857
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/include/variant/acpi/dptf.asl
@@ -0,0 +1,85 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Google Inc.
+ * Copyright (C) 2105 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#define DPTF_TSR0_SENSOR_ID 0
+#define DPTF_TSR0_SENSOR_NAME "TMP432_PMIC"
+#define DPTF_TSR0_PASSIVE 49
+#define DPTF_TSR0_CRITICAL 70
+
+
+#define DPTF_TSR1_SENSOR_ID 1
+#define DPTF_TSR1_SENSOR_NAME "TMP432_Charger"
+#define DPTF_TSR1_PASSIVE 65
+#define DPTF_TSR1_CRITICAL 70
+
+#define DPTF_TSR2_SENSOR_ID 2
+#define DPTF_TSR2_SENSOR_NAME "TMP432_CPU_Vcore"
+#define DPTF_TSR2_PASSIVE 48
+#define DPTF_TSR2_CRITICAL 70
+
+
+#define DPTF_ENABLE_CHARGER
+
+/* Charger performance states, board-specific values from charger and EC */
+Name (CHPS, Package () {
+ Package () { 0, 0, 0, 0, 255, 0x6a4, "mA", 0 }, /* 1.7A (MAX) */
+ Package () { 0, 0, 0, 0, 24, 0x600, "mA", 0 }, /* 1.5A */
+ Package () { 0, 0, 0, 0, 16, 0x400, "mA", 0 }, /* 1.0A */
+ Package () { 0, 0, 0, 0, 8, 0x200, "mA", 0 }, /* 0.5A */
+ Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 }, /* 0.0A */
+})
+
+/* Mainboard specific _PDL is 1GHz */
+Name (MPDL, 8)
+
+Name (DTRT, Package () {
+ /* CPU Throttle Effect on CPU */
+ Package () { \_SB.PCI0.B0DB, \_SB.PCI0.B0DB, 100, 50, 0, 0, 0, 0 },
+
+ /* CPU Effect on Temp Sensor 0 */
+ Package () { \_SB.PCI0.B0DB, \_SB.DPTF.TSR0, 100, 100, 0, 0, 0, 0 },
+#ifdef DPTF_ENABLE_CHARGER
+ /* Charger Effect on Temp Sensor 1 */
+ Package () { \_SB.DPTF.TCHG, \_SB.DPTF.TSR1, 200, 600, 0, 0, 0, 0 },
+#endif
+
+ /* CPU Effect on Temp Sensor 1 */
+ Package () { \_SB.PCI0.B0DB, \_SB.DPTF.TSR1, 100, 600, 0, 0, 0, 0 },
+
+ /* CPU Effect on Temp Sensor 2 */
+ Package () { \_SB.PCI0.B0DB, \_SB.DPTF.TSR2, 100, 600, 0, 0, 0, 0 },
+})
+
+Name (MPPC, Package ()
+{
+ 0x2, /* Revision */
+ Package () { /* Power Limit 1 */
+ 0, /* PowerLimitIndex, 0 for Power Limit 1 */
+ 2600, /* PowerLimitMinimum */
+ 5000, /* PowerLimitMaximum */
+ 1000, /* TimeWindowMinimum */
+ 1000, /* TimeWindowMaximum */
+ 200 /* StepSize */
+ },
+ Package () { /* Power Limit 2 */
+ 1, /* PowerLimitIndex, 1 for Power Limit 2 */
+ 8000, /* PowerLimitMinimum */
+ 8000, /* PowerLimitMaximum */
+ 1000, /* TimeWindowMinimum */
+ 1000, /* TimeWindowMaximum */
+ 1000 /* StepSize */
+ }
+})
diff --git a/src/mainboard/google/cyan/variants/relm/include/variant/acpi/mainboard.asl b/src/mainboard/google/cyan/variants/relm/include/variant/acpi/mainboard.asl
new file mode 100644
index 0000000000..4eeab42822
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/include/variant/acpi/mainboard.asl
@@ -0,0 +1,27 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Matt DeVillier
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/* Melfas touchscreen */
+#include <acpi/touchscreen_melfas.asl>
+
+/* Elan touchscreen */
+#include <acpi/touchscreen_elan.asl>
+
+/* Elan trackpad */
+#include <acpi/trackpad_elan.asl>
+
+/* Realtek audio codec */
+#include <acpi/codec_realtek.asl>
diff --git a/src/mainboard/google/cyan/variants/relm/include/variant/onboard.h b/src/mainboard/google/cyan/variants/relm/include/variant/onboard.h
new file mode 100644
index 0000000000..2854ee9eed
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/include/variant/onboard.h
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef ONBOARD_H
+#define ONBOARD_H
+
+#include <mainboard/google/cyan/irqroute.h>
+
+/*
+ * Calculation of gpio based irq.
+ * Gpio banks ordering : GPSW, GPNC, GPEC, GPSE
+ * Max direct irq (MAX_DIRECT_IRQ) is 114.
+ * Size of gpio banks are
+ * GPSW_SIZE = 98
+ * GPNC_SIZE = 73
+ * GPEC_SIZE = 27
+ * GPSE_SIZE = 86
+ */
+
+#define BOARD_TOUCH_IRQ 184
+
+/* KBD: Gpio index in N bank */
+#define BOARD_I8042_GPIO_INDEX 17
+/* Audio: Gpio index in SW bank */
+#define JACK_DETECT_GPIO_INDEX 95
+/* SCI: Gpio index in N bank */
+#define BOARD_SCI_GPIO_INDEX 15
+/* Trackpad: Gpio index in N bank */
+#define BOARD_TRACKPAD_GPIO_INDEX 18
+
+#define BOARD_TRACKPAD_NAME "trackpad"
+#define BOARD_TRACKPAD_WAKE_GPIO ACPI_ENABLE_WAKE_SUS_GPIO(1)
+#define BOARD_TRACKPAD_I2C_BUS 5
+#define BOARD_TRACKPAD_I2C_ADDR 0x15
+
+#define BOARD_TOUCHSCREEN_NAME "touchscreen"
+#define BOARD_TOUCHSCREEN_WAKE_GPIO ACPI_ENABLE_WAKE_SUS_GPIO(2)
+#define BOARD_TOUCHSCREEN_I2C_BUS 0
+#define BOARD_TOUCHSCREEN_I2C_ADDR 0x4a
+
+/* SD CARD gpio */
+#define SDCARD_CD 81
+
+#define AUDIO_CODEC_HID "10EC5650"
+#define AUDIO_CODEC_CID "10EC5650"
+#define AUDIO_CODEC_DDN "RTEK Codec Controller"
+#define AUDIO_CODEC_I2C_ADDR 0x1A
+#define BCRD2_PMIC_I2C_BUS 0x01
+
+#define DPTF_CPU_PASSIVE 80
+#define DPTF_CPU_CRITICAL 90
+
+/* I2C data hold time */
+#define BOARD_I2C1_DATA_HOLD_TIME 0x1E
+#define BOARD_I2C6_DATA_HOLD_TIME 0x1E
+
+#endif
diff --git a/src/mainboard/google/cyan/variants/relm/ramstage.c b/src/mainboard/google/cyan/variants/relm/ramstage.c
new file mode 100644
index 0000000000..27f9dfa241
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/ramstage.c
@@ -0,0 +1,40 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <soc/ramstage.h>
+
+void board_silicon_USB2_override(SILICON_INIT_UPD *params)
+{
+ if (SocStepping() >= SocD0) {
+ //D-Stepping
+ //USB2[1] right external port
+ params->Usb2Port1PerPortPeTxiSet = 7;
+ params->Usb2Port1PerPortTxiSet = 3;
+ params->Usb2Port1IUsbTxEmphasisEn = 2;
+ params->Usb2Port1PerPortTxPeHalf = 1;
+
+ //USB2[2] left external port
+ params->Usb2Port2PerPortPeTxiSet = 7;
+ params->Usb2Port2PerPortTxiSet = 0;
+ params->Usb2Port2IUsbTxEmphasisEn = 2;
+ params->Usb2Port2PerPortTxPeHalf = 1;
+
+ //USB2[3] CCD
+ params->Usb2Port3PerPortPeTxiSet = 7;
+ params->Usb2Port3PerPortTxiSet = 0;
+ params->Usb2Port3IUsbTxEmphasisEn = 2;
+ params->Usb2Port3PerPortTxPeHalf = 1;
+ }
+}
diff --git a/src/mainboard/google/cyan/variants/relm/romstage.c b/src/mainboard/google/cyan/variants/relm/romstage.c
new file mode 100644
index 0000000000..5414cbd7d5
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/romstage.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <soc/romstage.h>
+#include <baseboard/variants.h>
+#include <mainboard/google/cyan/spd/spd_util.h>
+
+void variant_memory_init_params(MEMORY_INIT_UPD *memory_params)
+{
+ int ram_id = get_ramid();
+
+ /*
+ * RAMID = A - 4GiB Micron MT52L256M32D1PF-107
+ * RAMID = 2 - 2GiB Micron MT52L256M32D1PF-107
+ */
+ if (ram_id == 2 || ram_id == 0xA) {
+
+ /*
+ * For new micron part, it requires read/receive
+ * enable training before sending cmds to get MR8.
+ * To override dram geometry settings as below:
+ *
+ * PcdDramWidth = x32
+ * PcdDramDensity = 8Gb
+ * PcdDualRankDram = disable
+ */
+ memory_params->PcdRxOdtLimitChannel0 = 1;
+ memory_params->PcdRxOdtLimitChannel1 = 1;
+ memory_params->PcdDisableAutoDetectDram = 1;
+ memory_params->PcdDramWidth = 2;
+ memory_params->PcdDramDensity = 3;
+ memory_params->PcdDualRankDram = 0;
+ }
+}
diff --git a/src/mainboard/google/cyan/variants/relm/spd_util.c b/src/mainboard/google/cyan/variants/relm/spd_util.c
new file mode 100644
index 0000000000..904c8c186e
--- /dev/null
+++ b/src/mainboard/google/cyan/variants/relm/spd_util.c
@@ -0,0 +1,76 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2013 Google Inc.
+ * Copyright (C) 2015 Intel Corp.
+ * Copyright (C) 2017 Matt DeVillier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <console/console.h>
+#include <mainboard/google/cyan/spd/spd_util.h>
+
+/* We use RAM_ID3 to indicate dual channel config.
+ *
+ * 0b0000 - 2GiB total - 1 x 2GiB Samsung K4E8E304EE-EGCF 1600MHz
+ * 0b0001 - 2GiB total - 1 x 2GiB Hynix H9CCNNN8GTMLAR-NUD 1600MHz
+ * 0b0010 - 2GiB total - 1 x 2GiB Micron MT52L256M32D1PF-107 1600MHz
+ * 0b0011 - 2GiB total - 1 x 2GiB Samsung K4E8E324EB-EGCF 1600MHz
+ * 0b0100 - 2GiB total - 1 x 2GiB Micron EDF8132A3MA-JD-F 1600MHz
+ * 0b0101 - 2GiB total - 1 x 2GiB Hynix H9CCNNN8JTBLAR-NUD-1G-1866 1866MHz
+ * 0b0110 - 2GiB total - 1 x 2GiB Hynix H9CCNNN8GTALAR-NUD 1600MHz
+ *
+ * 0b1000 - 4GiB total - 2 x 2GiB Samsung K4E8E304EE-EGCF 1600MHz
+ * 0b1001 - 4GiB total - 2 x 2GiB Hynix H9CCNNN8GTMLAR-NUD 1600MHz
+ * 0b1010 - 4GiB total - 2 x 2GiB Micron MT52L256M32D1PF-107 1600MHz
+ * 0b1011 - 4GiB total - 2 x 2GiB Samsung K4E8E324EB-EGCF 1600MHz
+ * 0b1100 - 4GiB total - 2 x 2GiB Micron EDF8132A3MA-JD-F 1600MHz
+ * 0b1101 - 4GiB total - 2 x 2GiB Hynix H9CCNNN8JTBLAR-NUD-1G-1866 1866MHz
+ * 0b1110 - 4GiB total - 2 x 2GiB Hynix H9CCNNN8GTALAR-NUD 1600MHz
+ *
+ */
+
+int get_variant_spd_index(int ram_id, int *dual)
+{
+ int spd_index = ram_id & 0x7;
+
+ /* Determine if single or dual channel memory system */
+ /* RAMID3 is deterministic for relm */
+ *dual = ((ram_id >> 3) & 0x1) ? 1 : 0;
+
+ /* Display the RAM type */
+ printk(BIOS_DEBUG, *dual ? "4GiB " : "2GiB ");
+ switch (spd_index) {
+ case 0:
+ printk(BIOS_DEBUG, "Samsung K4E8E304EE-EGCF\n");
+ break;
+ case 1:
+ printk(BIOS_DEBUG, "Hynix H9CCNNN8GTMLAR-NUD\n");
+ break;
+ case 2:
+ printk(BIOS_DEBUG, "Micron MT52L256M32D1PF-107\n");
+ break;
+ case 3:
+ printk(BIOS_DEBUG, "Samsung K4E8E324EB-EGCF\n");
+ break;
+ case 4:
+ printk(BIOS_DEBUG, "Micron EDF8132A3MA-JD-F\n");
+ break;
+ case 5:
+ printk(BIOS_DEBUG, "Hynix H9CCNNN8JTBLAR-NUD-1G\n");
+ break;
+ case 6:
+ printk(BIOS_DEBUG, "H9CCNNN8GTALAR-NUD\n");
+ break;
+ }
+
+ return spd_index;
+}