lbmk/config/coreboot/default/patches/0032-mb-dell-Add-Latitude-E...

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From 41002e64c92e90903fa591c4a8a1cc0108833743 Mon Sep 17 00:00:00 2001
From: Nicholas Chin <nic.c3.14@gmail.com>
Date: Sun, 26 Nov 2023 17:08:52 -0700
Subject: [PATCH] mb/dell: Add Latitude E6420 (Sandy Bridge)
Change-Id: Ic48d9ea58172a5b13958c8afebcb19c8929c4394
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
---
src/mainboard/dell/e6420/Kconfig | 38 ++++
src/mainboard/dell/e6420/Kconfig.name | 2 +
src/mainboard/dell/e6420/Makefile.inc | 6 +
src/mainboard/dell/e6420/acpi/ec.asl | 9 +
src/mainboard/dell/e6420/acpi/platform.asl | 12 ++
src/mainboard/dell/e6420/acpi/superio.asl | 3 +
src/mainboard/dell/e6420/acpi_tables.c | 16 ++
src/mainboard/dell/e6420/board_info.txt | 6 +
src/mainboard/dell/e6420/cmos.default | 9 +
src/mainboard/dell/e6420/cmos.layout | 88 ++++++++++
src/mainboard/dell/e6420/data.vbt | Bin 0 -> 6144 bytes
src/mainboard/dell/e6420/devicetree.cb | 66 +++++++
src/mainboard/dell/e6420/dsdt.asl | 30 ++++
src/mainboard/dell/e6420/early_init.c | 32 ++++
src/mainboard/dell/e6420/gma-mainboard.ads | 20 +++
src/mainboard/dell/e6420/gpio.c | 191 +++++++++++++++++++++
src/mainboard/dell/e6420/hda_verb.c | 33 ++++
src/mainboard/dell/e6420/mainboard.c | 21 +++
18 files changed, 582 insertions(+)
create mode 100644 src/mainboard/dell/e6420/Kconfig
create mode 100644 src/mainboard/dell/e6420/Kconfig.name
create mode 100644 src/mainboard/dell/e6420/Makefile.inc
create mode 100644 src/mainboard/dell/e6420/acpi/ec.asl
create mode 100644 src/mainboard/dell/e6420/acpi/platform.asl
create mode 100644 src/mainboard/dell/e6420/acpi/superio.asl
create mode 100644 src/mainboard/dell/e6420/acpi_tables.c
create mode 100644 src/mainboard/dell/e6420/board_info.txt
create mode 100644 src/mainboard/dell/e6420/cmos.default
create mode 100644 src/mainboard/dell/e6420/cmos.layout
create mode 100644 src/mainboard/dell/e6420/data.vbt
create mode 100644 src/mainboard/dell/e6420/devicetree.cb
create mode 100644 src/mainboard/dell/e6420/dsdt.asl
create mode 100644 src/mainboard/dell/e6420/early_init.c
create mode 100644 src/mainboard/dell/e6420/gma-mainboard.ads
create mode 100644 src/mainboard/dell/e6420/gpio.c
create mode 100644 src/mainboard/dell/e6420/hda_verb.c
create mode 100644 src/mainboard/dell/e6420/mainboard.c
diff --git a/src/mainboard/dell/e6420/Kconfig b/src/mainboard/dell/e6420/Kconfig
new file mode 100644
index 0000000000..cff62bf70c
--- /dev/null
+++ b/src/mainboard/dell/e6420/Kconfig
@@ -0,0 +1,38 @@
+if BOARD_DELL_LATITUDE_E6420
+
+config BOARD_SPECIFIC_OPTIONS
+ def_bool y
+ select BOARD_ROMSIZE_KB_10240
+ select EC_ACPI
+ select EC_DELL_MEC5035
+ select GFX_GMA_PANEL_1_ON_LVDS
+ select HAVE_ACPI_RESUME
+ select HAVE_ACPI_TABLES
+ select HAVE_CMOS_DEFAULT
+ select HAVE_OPTION_TABLE
+ select INTEL_GMA_HAVE_VBT
+ select INTEL_INT15
+ select MAINBOARD_HAS_LIBGFXINIT
+ select MAINBOARD_USES_IFD_GBE_REGION
+ select NORTHBRIDGE_INTEL_SANDYBRIDGE
+ select SERIRQ_CONTINUOUS_MODE
+ select SOUTHBRIDGE_INTEL_BD82X6X
+ select SYSTEM_TYPE_LAPTOP
+ select USE_NATIVE_RAMINIT
+
+config DRAM_RESET_GATE_GPIO
+ default 60
+
+config MAINBOARD_DIR
+ default "dell/e6420"
+
+config MAINBOARD_PART_NUMBER
+ default "Latitude E6420"
+
+config USBDEBUG_HCD_INDEX
+ default 2
+
+config VGA_BIOS_ID
+ default "8086,0126"
+
+endif # BOARD_DELL_LATITUDE_E6420
diff --git a/src/mainboard/dell/e6420/Kconfig.name b/src/mainboard/dell/e6420/Kconfig.name
new file mode 100644
index 0000000000..1722891e7b
--- /dev/null
+++ b/src/mainboard/dell/e6420/Kconfig.name
@@ -0,0 +1,2 @@
+config BOARD_DELL_LATITUDE_E6420
+ bool "Latitude E6420"
diff --git a/src/mainboard/dell/e6420/Makefile.inc b/src/mainboard/dell/e6420/Makefile.inc
new file mode 100644
index 0000000000..ba64e93eb8
--- /dev/null
+++ b/src/mainboard/dell/e6420/Makefile.inc
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
+bootblock-y += early_init.c
+bootblock-y += gpio.c
+romstage-y += early_init.c
+romstage-y += gpio.c
+ramstage-$(CONFIG_MAINBOARD_USE_LIBGFXINIT) += gma-mainboard.ads
diff --git a/src/mainboard/dell/e6420/acpi/ec.asl b/src/mainboard/dell/e6420/acpi/ec.asl
new file mode 100644
index 0000000000..0d429410a9
--- /dev/null
+++ b/src/mainboard/dell/e6420/acpi/ec.asl
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Device(EC)
+{
+ Name (_HID, EISAID("PNP0C09"))
+ Name (_UID, 0)
+ Name (_GPE, 16)
+/* FIXME: EC support */
+}
diff --git a/src/mainboard/dell/e6420/acpi/platform.asl b/src/mainboard/dell/e6420/acpi/platform.asl
new file mode 100644
index 0000000000..2d24bbd9b9
--- /dev/null
+++ b/src/mainboard/dell/e6420/acpi/platform.asl
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+Method(_WAK, 1)
+{
+ /* FIXME: EC support */
+ Return(Package() {0, 0})
+}
+
+Method(_PTS,1)
+{
+ /* FIXME: EC support */
+}
diff --git a/src/mainboard/dell/e6420/acpi/superio.asl b/src/mainboard/dell/e6420/acpi/superio.asl
new file mode 100644
index 0000000000..55b1db5b11
--- /dev/null
+++ b/src/mainboard/dell/e6420/acpi/superio.asl
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <drivers/pc80/pc/ps2_controller.asl>
diff --git a/src/mainboard/dell/e6420/acpi_tables.c b/src/mainboard/dell/e6420/acpi_tables.c
new file mode 100644
index 0000000000..e2759659bf
--- /dev/null
+++ b/src/mainboard/dell/e6420/acpi_tables.c
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi_gnvs.h>
+#include <soc/nvs.h>
+
+/* FIXME: check this function. */
+void mainboard_fill_gnvs(struct global_nvs *gnvs)
+{
+ /* The lid is open by default. */
+ gnvs->lids = 1;
+
+ /* Temperature at which OS will shutdown */
+ gnvs->tcrt = 100;
+ /* Temperature at which OS will throttle CPU */
+ gnvs->tpsv = 90;
+}
diff --git a/src/mainboard/dell/e6420/board_info.txt b/src/mainboard/dell/e6420/board_info.txt
new file mode 100644
index 0000000000..34d5ad9e0b
--- /dev/null
+++ b/src/mainboard/dell/e6420/board_info.txt
@@ -0,0 +1,6 @@
+Category: laptop
+ROM package: SOIC-8
+ROM protocol: SPI
+ROM socketed: n
+Flashrom support: y
+Release year: 2011
diff --git a/src/mainboard/dell/e6420/cmos.default b/src/mainboard/dell/e6420/cmos.default
new file mode 100644
index 0000000000..279415dfd1
--- /dev/null
+++ b/src/mainboard/dell/e6420/cmos.default
@@ -0,0 +1,9 @@
+boot_option=Fallback
+debug_level=Debug
+power_on_after_fail=Disable
+nmi=Enable
+bluetooth=Enable
+wwan=Enable
+wlan=Enable
+sata_mode=AHCI
+me_state=Disabled
diff --git a/src/mainboard/dell/e6420/cmos.layout b/src/mainboard/dell/e6420/cmos.layout
new file mode 100644
index 0000000000..1aa7e77bce
--- /dev/null
+++ b/src/mainboard/dell/e6420/cmos.layout
@@ -0,0 +1,88 @@
+## SPDX-License-Identifier: GPL-2.0-only
+
+# -----------------------------------------------------------------
+entries
+
+# -----------------------------------------------------------------
+0 120 r 0 reserved_memory
+
+# -----------------------------------------------------------------
+# RTC_BOOT_BYTE (coreboot hardcoded)
+384 1 e 4 boot_option
+388 4 h 0 reboot_counter
+
+# -----------------------------------------------------------------
+# coreboot config options: console
+395 4 e 6 debug_level
+
+#400 8 r 0 reserved for century byte
+
+# coreboot config options: southbridge
+408 1 e 1 nmi
+409 2 e 7 power_on_after_fail
+411 1 e 9 sata_mode
+
+# coreboot config options: EC
+412 1 e 1 bluetooth
+413 1 e 1 wwan
+414 1 e 1 wlan
+
+# coreboot config options: ME
+424 1 e 14 me_state
+425 2 h 0 me_state_prev
+
+# coreboot config options: northbridge
+432 3 e 11 gfx_uma_size
+435 2 e 12 hybrid_graphics_mode
+440 8 h 0 volume
+
+# VBOOT
+448 128 r 0 vbnv
+
+# SandyBridge MRC Scrambler Seed values
+896 32 r 0 mrc_scrambler_seed
+928 32 r 0 mrc_scrambler_seed_s3
+960 16 r 0 mrc_scrambler_seed_chk
+
+# coreboot config options: check sums
+984 16 h 0 check_sum
+
+# -----------------------------------------------------------------
+
+enumerations
+
+#ID value text
+1 0 Disable
+1 1 Enable
+2 0 Enable
+2 1 Disable
+4 0 Fallback
+4 1 Normal
+6 0 Emergency
+6 1 Alert
+6 2 Critical
+6 3 Error
+6 4 Warning
+6 5 Notice
+6 6 Info
+6 7 Debug
+6 8 Spew
+7 0 Disable
+7 1 Enable
+7 2 Keep
+9 0 AHCI
+9 1 Compatible
+11 0 32M
+11 1 64M
+11 2 96M
+11 3 128M
+11 4 160M
+11 5 192M
+11 6 224M
+14 0 Normal
+14 1 Disabled
+
+# -----------------------------------------------------------------
+checksums
+
+checksum 392 447 984
diff --git a/src/mainboard/dell/e6420/data.vbt b/src/mainboard/dell/e6420/data.vbt
new file mode 100644
index 0000000000000000000000000000000000000000..d3662eea1bc78b60be6d0bd2cc38bb46b654afbd
GIT binary patch
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diff --git a/src/mainboard/dell/e6420/devicetree.cb b/src/mainboard/dell/e6420/devicetree.cb
new file mode 100644
index 0000000000..f9259f7175
--- /dev/null
+++ b/src/mainboard/dell/e6420/devicetree.cb
@@ -0,0 +1,66 @@
+chip northbridge/intel/sandybridge # FIXME: GPU registers may not always apply.
+ register "gfx" = "GMA_STATIC_DISPLAYS(1)"
+ register "gpu_cpu_backlight" = "0x0000054f"
+ register "gpu_dp_b_hotplug" = "4"
+ register "gpu_dp_c_hotplug" = "4"
+ register "gpu_dp_d_hotplug" = "4"
+ register "gpu_panel_port_select" = "0"
+ register "gpu_panel_power_backlight_off_delay" = "2300"
+ register "gpu_panel_power_backlight_on_delay" = "2300"
+ register "gpu_panel_power_cycle_delay" = "6"
+ register "gpu_panel_power_down_delay" = "400"
+ register "gpu_panel_power_up_delay" = "400"
+ register "gpu_pch_backlight" = "0x13121312"
+
+ register "spd_addresses" = "{0x50, 0, 0x52, 0}"
+
+ device domain 0x0 on
+ subsystemid 0x1028 0x0493 inherit
+
+ device ref host_bridge on end # Host bridge
+ device ref peg10 on end # PEG
+ device ref igd on end # iGPU
+
+ chip southbridge/intel/bd82x6x # Intel Series 6 Cougar Point PCH
+ register "docking_supported" = "1"
+ register "gen1_dec" = "0x007c0681"
+ register "gen2_dec" = "0x007c0901"
+ register "gen3_dec" = "0x003c07e1"
+ register "gen4_dec" = "0x001c0901"
+ register "gpi0_routing" = "2"
+ register "pcie_hotplug_map" = "{ 0, 0, 1, 1, 0, 0, 0, 0 }"
+ register "pcie_port_coalesce" = "1"
+ register "sata_interface_speed_support" = "0x3"
+ register "sata_port_map" = "0x3b"
+ register "spi_lvscc" = "0x2005"
+ register "spi_uvscc" = "0x2005"
+
+ device ref mei1 off end
+ device ref mei2 off end
+ device ref me_ide_r off end
+ device ref me_kt off end
+ device ref gbe on end
+ device ref ehci2 on end
+ device ref hda on end
+ device ref pcie_rp1 on end
+ device ref pcie_rp2 on end
+ device ref pcie_rp3 on end
+ device ref pcie_rp4 on end
+ device ref pcie_rp5 off end
+ device ref pcie_rp6 on end
+ device ref pcie_rp7 off end
+ device ref pcie_rp8 off end
+ device ref ehci1 on end
+ device ref pci_bridge off end
+ device ref lpc on
+ chip ec/dell/mec5035
+ device pnp ff.0 on end
+ end
+ end
+ device ref sata1 on end
+ device ref smbus on end
+ device ref sata2 off end
+ device ref thermal off end
+ end
+ end
+end
diff --git a/src/mainboard/dell/e6420/dsdt.asl b/src/mainboard/dell/e6420/dsdt.asl
new file mode 100644
index 0000000000..7d13c55b08
--- /dev/null
+++ b/src/mainboard/dell/e6420/dsdt.asl
@@ -0,0 +1,30 @@
+#define BRIGHTNESS_UP \_SB.PCI0.GFX0.INCB
+#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.DECB
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+
+#include <acpi/acpi.h>
+
+DefinitionBlock(
+ "dsdt.aml",
+ "DSDT",
+ ACPI_DSDT_REV_2,
+ OEM_ID,
+ ACPI_TABLE_CREATOR,
+ 0x20141018 /* OEM revision */
+)
+{
+ #include <acpi/dsdt_top.asl>
+ #include "acpi/platform.asl"
+ #include <cpu/intel/common/acpi/cpu.asl>
+ #include <southbridge/intel/common/acpi/platform.asl>
+ #include <southbridge/intel/bd82x6x/acpi/globalnvs.asl>
+ #include <southbridge/intel/common/acpi/sleepstates.asl>
+
+ Device (\_SB.PCI0)
+ {
+ #include <northbridge/intel/sandybridge/acpi/sandybridge.asl>
+ #include <drivers/intel/gma/acpi/default_brightness_levels.asl>
+ #include <southbridge/intel/bd82x6x/acpi/pch.asl>
+ }
+}
diff --git a/src/mainboard/dell/e6420/early_init.c b/src/mainboard/dell/e6420/early_init.c
new file mode 100644
index 0000000000..0682441ed6
--- /dev/null
+++ b/src/mainboard/dell/e6420/early_init.c
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+
+#include <bootblock_common.h>
+#include <device/pci_ops.h>
+#include <ec/dell/mec5035/mec5035.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+
+const struct southbridge_usb_port mainboard_usb_ports[] = {
+ { 1, 1, 0 },
+ { 1, 1, 0 },
+ { 1, 1, 1 },
+ { 1, 1, 1 },
+ { 1, 0, 2 },
+ { 1, 1, 2 },
+ { 1, 1, 3 },
+ { 1, 1, 3 },
+ { 1, 1, 5 },
+ { 1, 1, 5 },
+ { 1, 1, 7 },
+ { 1, 1, 6 },
+ { 1, 0, 6 },
+ { 1, 0, 7 },
+};
+
+void bootblock_mainboard_early_init(void)
+{
+ pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | MC_LPC_EN
+ | KBC_LPC_EN | FDD_LPC_EN | LPT_LPC_EN
+ | COMB_LPC_EN | COMA_LPC_EN);
+ mec5035_early_init();
+}
diff --git a/src/mainboard/dell/e6420/gma-mainboard.ads b/src/mainboard/dell/e6420/gma-mainboard.ads
new file mode 100644
index 0000000000..2a16f44360
--- /dev/null
+++ b/src/mainboard/dell/e6420/gma-mainboard.ads
@@ -0,0 +1,20 @@
+-- SPDX-License-Identifier: GPL-2.0-or-later
+
+with HW.GFX.GMA;
+with HW.GFX.GMA.Display_Probing;
+
+use HW.GFX.GMA;
+use HW.GFX.GMA.Display_Probing;
+
+private package GMA.Mainboard is
+
+ ports : constant Port_List :=
+ (
+ HDMI1, -- mainboard HDMI
+ DP2, -- dock DP
+ DP3, -- dock DP
+ Analog, -- mainboard VGA
+ LVDS,
+ others => Disabled);
+
+end GMA.Mainboard;
diff --git a/src/mainboard/dell/e6420/gpio.c b/src/mainboard/dell/e6420/gpio.c
new file mode 100644
index 0000000000..943c743f48
--- /dev/null
+++ b/src/mainboard/dell/e6420/gpio.c
@@ -0,0 +1,191 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <southbridge/intel/common/gpio.h>
+
+static const struct pch_gpio_set1 pch_gpio_set1_mode = {
+ .gpio0 = GPIO_MODE_GPIO,
+ .gpio1 = GPIO_MODE_NATIVE,
+ .gpio2 = GPIO_MODE_GPIO,
+ .gpio3 = GPIO_MODE_NATIVE,
+ .gpio4 = GPIO_MODE_GPIO,
+ .gpio5 = GPIO_MODE_NATIVE,
+ .gpio6 = GPIO_MODE_GPIO,
+ .gpio7 = GPIO_MODE_GPIO,
+ .gpio8 = GPIO_MODE_GPIO,
+ .gpio9 = GPIO_MODE_NATIVE,
+ .gpio10 = GPIO_MODE_NATIVE,
+ .gpio11 = GPIO_MODE_NATIVE,
+ .gpio12 = GPIO_MODE_NATIVE,
+ .gpio13 = GPIO_MODE_GPIO,
+ .gpio14 = GPIO_MODE_GPIO,
+ .gpio15 = GPIO_MODE_GPIO,
+ .gpio16 = GPIO_MODE_GPIO,
+ .gpio17 = GPIO_MODE_GPIO,
+ .gpio18 = GPIO_MODE_NATIVE,
+ .gpio19 = GPIO_MODE_GPIO,
+ .gpio20 = GPIO_MODE_NATIVE,
+ .gpio21 = GPIO_MODE_GPIO,
+ .gpio22 = GPIO_MODE_GPIO,
+ .gpio23 = GPIO_MODE_NATIVE,
+ .gpio24 = GPIO_MODE_GPIO,
+ .gpio25 = GPIO_MODE_NATIVE,
+ .gpio26 = GPIO_MODE_NATIVE,
+ .gpio27 = GPIO_MODE_GPIO,
+ .gpio28 = GPIO_MODE_GPIO,
+ .gpio29 = GPIO_MODE_GPIO,
+ .gpio30 = GPIO_MODE_GPIO,
+ .gpio31 = GPIO_MODE_GPIO,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_direction = {
+ .gpio0 = GPIO_DIR_INPUT,
+ .gpio2 = GPIO_DIR_INPUT,
+ .gpio4 = GPIO_DIR_INPUT,
+ .gpio6 = GPIO_DIR_INPUT,
+ .gpio7 = GPIO_DIR_INPUT,
+ .gpio8 = GPIO_DIR_INPUT,
+ .gpio13 = GPIO_DIR_INPUT,
+ .gpio14 = GPIO_DIR_INPUT,
+ .gpio15 = GPIO_DIR_INPUT,
+ .gpio16 = GPIO_DIR_INPUT,
+ .gpio17 = GPIO_DIR_INPUT,
+ .gpio19 = GPIO_DIR_INPUT,
+ .gpio21 = GPIO_DIR_INPUT,
+ .gpio22 = GPIO_DIR_INPUT,
+ .gpio24 = GPIO_DIR_INPUT,
+ .gpio27 = GPIO_DIR_INPUT,
+ .gpio28 = GPIO_DIR_INPUT,
+ .gpio29 = GPIO_DIR_INPUT,
+ .gpio30 = GPIO_DIR_OUTPUT,
+ .gpio31 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_level = {
+ .gpio30 = GPIO_LEVEL_HIGH,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_reset = {
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_invert = {
+ .gpio0 = GPIO_INVERT,
+ .gpio8 = GPIO_INVERT,
+ .gpio14 = GPIO_INVERT,
+};
+
+static const struct pch_gpio_set1 pch_gpio_set1_blink = {
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_mode = {
+ .gpio32 = GPIO_MODE_NATIVE,
+ .gpio33 = GPIO_MODE_GPIO,
+ .gpio34 = GPIO_MODE_GPIO,
+ .gpio35 = GPIO_MODE_GPIO,
+ .gpio36 = GPIO_MODE_GPIO,
+ .gpio37 = GPIO_MODE_GPIO,
+ .gpio38 = GPIO_MODE_GPIO,
+ .gpio39 = GPIO_MODE_GPIO,
+ .gpio40 = GPIO_MODE_NATIVE,
+ .gpio41 = GPIO_MODE_NATIVE,
+ .gpio42 = GPIO_MODE_NATIVE,
+ .gpio43 = GPIO_MODE_NATIVE,
+ .gpio44 = GPIO_MODE_NATIVE,
+ .gpio45 = GPIO_MODE_GPIO,
+ .gpio46 = GPIO_MODE_NATIVE,
+ .gpio47 = GPIO_MODE_NATIVE,
+ .gpio48 = GPIO_MODE_GPIO,
+ .gpio49 = GPIO_MODE_GPIO,
+ .gpio50 = GPIO_MODE_NATIVE,
+ .gpio51 = GPIO_MODE_GPIO,
+ .gpio52 = GPIO_MODE_GPIO,
+ .gpio53 = GPIO_MODE_NATIVE,
+ .gpio54 = GPIO_MODE_GPIO,
+ .gpio55 = GPIO_MODE_NATIVE,
+ .gpio56 = GPIO_MODE_NATIVE,
+ .gpio57 = GPIO_MODE_GPIO,
+ .gpio58 = GPIO_MODE_NATIVE,
+ .gpio59 = GPIO_MODE_NATIVE,
+ .gpio60 = GPIO_MODE_GPIO,
+ .gpio61 = GPIO_MODE_NATIVE,
+ .gpio62 = GPIO_MODE_NATIVE,
+ .gpio63 = GPIO_MODE_NATIVE,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_direction = {
+ .gpio33 = GPIO_DIR_INPUT,
+ .gpio34 = GPIO_DIR_OUTPUT,
+ .gpio35 = GPIO_DIR_INPUT,
+ .gpio36 = GPIO_DIR_INPUT,
+ .gpio37 = GPIO_DIR_INPUT,
+ .gpio38 = GPIO_DIR_INPUT,
+ .gpio39 = GPIO_DIR_INPUT,
+ .gpio45 = GPIO_DIR_OUTPUT,
+ .gpio48 = GPIO_DIR_INPUT,
+ .gpio49 = GPIO_DIR_OUTPUT,
+ .gpio51 = GPIO_DIR_INPUT,
+ .gpio52 = GPIO_DIR_INPUT,
+ .gpio54 = GPIO_DIR_INPUT,
+ .gpio57 = GPIO_DIR_INPUT,
+ .gpio60 = GPIO_DIR_OUTPUT,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_level = {
+ .gpio34 = GPIO_LEVEL_HIGH,
+ .gpio45 = GPIO_LEVEL_LOW,
+ .gpio49 = GPIO_LEVEL_LOW,
+ .gpio60 = GPIO_LEVEL_HIGH,
+};
+
+static const struct pch_gpio_set2 pch_gpio_set2_reset = {
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_mode = {
+ .gpio64 = GPIO_MODE_NATIVE,
+ .gpio65 = GPIO_MODE_NATIVE,
+ .gpio66 = GPIO_MODE_NATIVE,
+ .gpio67 = GPIO_MODE_NATIVE,
+ .gpio68 = GPIO_MODE_GPIO,
+ .gpio69 = GPIO_MODE_GPIO,
+ .gpio70 = GPIO_MODE_GPIO,
+ .gpio71 = GPIO_MODE_GPIO,
+ .gpio72 = GPIO_MODE_NATIVE,
+ .gpio73 = GPIO_MODE_NATIVE,
+ .gpio74 = GPIO_MODE_NATIVE,
+ .gpio75 = GPIO_MODE_NATIVE,
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_direction = {
+ .gpio68 = GPIO_DIR_INPUT,
+ .gpio69 = GPIO_DIR_INPUT,
+ .gpio70 = GPIO_DIR_INPUT,
+ .gpio71 = GPIO_DIR_INPUT,
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_level = {
+};
+
+static const struct pch_gpio_set3 pch_gpio_set3_reset = {
+};
+
+const struct pch_gpio_map mainboard_gpio_map = {
+ .set1 = {
+ .mode = &pch_gpio_set1_mode,
+ .direction = &pch_gpio_set1_direction,
+ .level = &pch_gpio_set1_level,
+ .blink = &pch_gpio_set1_blink,
+ .invert = &pch_gpio_set1_invert,
+ .reset = &pch_gpio_set1_reset,
+ },
+ .set2 = {
+ .mode = &pch_gpio_set2_mode,
+ .direction = &pch_gpio_set2_direction,
+ .level = &pch_gpio_set2_level,
+ .reset = &pch_gpio_set2_reset,
+ },
+ .set3 = {
+ .mode = &pch_gpio_set3_mode,
+ .direction = &pch_gpio_set3_direction,
+ .level = &pch_gpio_set3_level,
+ .reset = &pch_gpio_set3_reset,
+ },
+};
diff --git a/src/mainboard/dell/e6420/hda_verb.c b/src/mainboard/dell/e6420/hda_verb.c
new file mode 100644
index 0000000000..b3803b7c65
--- /dev/null
+++ b/src/mainboard/dell/e6420/hda_verb.c
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/azalia_device.h>
+
+const u32 cim_verb_data[] = {
+ 0x111d76e7, /* Codec Vendor / Device ID: IDT */
+ 0x10280493, /* Subsystem ID */
+ 11, /* Number of 4 dword sets */
+ AZALIA_SUBVENDOR(0, 0x10280493),
+ AZALIA_PIN_CFG(0, 0x0a, 0x03a11020),
+ AZALIA_PIN_CFG(0, 0x0b, 0x0321101f),
+ AZALIA_PIN_CFG(0, 0x0c, 0x400000f0),
+ AZALIA_PIN_CFG(0, 0x0d, 0x90170110),
+ AZALIA_PIN_CFG(0, 0x0e, 0x23011050),
+ AZALIA_PIN_CFG(0, 0x0f, 0x23a1102e),
+ AZALIA_PIN_CFG(0, 0x10, 0x400000f3),
+ AZALIA_PIN_CFG(0, 0x11, 0xd5a30130),
+ AZALIA_PIN_CFG(0, 0x1f, 0x400000f0),
+ AZALIA_PIN_CFG(0, 0x20, 0x400000f0),
+
+ 0x80862805, /* Codec Vendor / Device ID: Intel */
+ 0x80860101, /* Subsystem ID */
+ 4, /* Number of 4 dword sets */
+ AZALIA_SUBVENDOR(3, 0x80860101),
+ AZALIA_PIN_CFG(3, 0x05, 0x18560010),
+ AZALIA_PIN_CFG(3, 0x06, 0x18560020),
+ AZALIA_PIN_CFG(3, 0x07, 0x18560030),
+
+};
+
+const u32 pc_beep_verbs[0] = {};
+
+AZALIA_ARRAY_SIZES;
diff --git a/src/mainboard/dell/e6420/mainboard.c b/src/mainboard/dell/e6420/mainboard.c
new file mode 100644
index 0000000000..31e49802fc
--- /dev/null
+++ b/src/mainboard/dell/e6420/mainboard.c
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/device.h>
+#include <drivers/intel/gma/int15.h>
+#include <southbridge/intel/bd82x6x/pch.h>
+#include <ec/acpi/ec.h>
+#include <console/console.h>
+#include <pc80/keyboard.h>
+
+static void mainboard_enable(struct device *dev)
+{
+
+ /* FIXME: fix these values. */
+ install_intel_vga_int15_handler(GMA_INT15_ACTIVE_LFP_INT_LVDS,
+ GMA_INT15_PANEL_FIT_DEFAULT,
+ GMA_INT15_BOOT_DISPLAY_DEFAULT, 0);
+}
+
+struct chip_operations mainboard_ops = {
+ .enable_dev = mainboard_enable,
+};
--
2.43.0