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-rw-r--r--config/coreboot/default/patches/0031-mb-dell-Add-Latitude-E6420-Sandy-Bridge.patch774
1 files changed, 774 insertions, 0 deletions
diff --git a/config/coreboot/default/patches/0031-mb-dell-Add-Latitude-E6420-Sandy-Bridge.patch b/config/coreboot/default/patches/0031-mb-dell-Add-Latitude-E6420-Sandy-Bridge.patch
new file mode 100644
index 00000000..ddfc6571
--- /dev/null
+++ b/config/coreboot/default/patches/0031-mb-dell-Add-Latitude-E6420-Sandy-Bridge.patch
@@ -0,0 +1,774 @@
+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
+literal 6144
+zcmeHKeQZ-z6hE);wSBvNZ|mO1=*HLC2BQN8uVX6{N9eY)75ORymb$R8!YYuAZEgeE
+zKk|S@Fen*n41W-viAF;r%)~^EkpLz-B{2q##)LmGAtoY;7*Qhv_1yPbw$TC$2}G0K
+z=6Ao&x#ym9?z!i_&TOh(kLzky2cN8MTpny#R<;VU4Rkn?rBIz(YL~BBw<%b&zGhSH
+z$~AQ>@D0d=Xx6RE0BwSxspWdrW9y<FZGD@&x3_JL;p$p!;!BVdcKLkht0=-%(Jj&T
+z_GkyztZ%>#t7^)^(T-R<7W?O6ZTI%A+j=`<Jw3Q%dk6N!da<_?7oyiU3)^<~_TiSk
+zE$y+=RK3PGQ`gzmXYPRBx>C|f*UP9{h|4>ANrAe~?ymV*)83AaT#FuTjP=C2cg5P~
+zt4w78r$t#300cWY_k)mevmAmFI3&oBfytoAAPQiYK$XEIgHwV@5-gJ-Q-*p8yfTDj
+zaDz=1Y!X1B3`OpQ&Ik}bM|0xHn0gYNZw0rT=7AXS2in-q8K^?)0|el+Z6geW7i7MM
+zv~!|>HqL-|Fk}EYOa@)R<X)VQ7c}d8R1b@RTn5rq(90|QRg0?wwZZz(6Dz}w>zg9Y
+z8;!mD_V*XSjT33~$`o`s>zEGBq8AQ`HaH?y!Fh2QiX1v@aCo4LaENf&DZ_cE2A2qb
+z5@cC}X)=S^1RvpXLWs~v*hqMau$!=t@B-mg!XV)|;eEm>!Z6`H;R4|&!d1d`f|S7^
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+zvv*HR(#-ZwhA~7wcmxbe4%E?Y7P0y{1q|nqR1L29UR8v@#No^g5MH)7!>{%-$T|cR
+zZx5|xm>Fl>;@$m};P{0WC>O~<Nl1`*PLgPN_hP2a^h+L$ls&SYrkDYr+&l*%%S?^Q
+ziPSdtHE<LNEnr7cs=ihL-C>-p>*$9CpHRLgN|POkqD^UP4nw|4nf0bc8MOBk<;%js
+zfpCAWNzqSPlz@X%j9CGrwZDKUl@K{g6pzqiIIARDQ)#@^RW&0pmNG;XZ?!SlHB?L#
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+zn6%=L94~PR)%Ua_HTZcfTXD<p{%8p|<N<;Efw$Zb4$}{m8@7c((~<7^thaau&@Wx#
+zVGNL)lmH@{o=h*{muXGc!;nXrVgpp3;1V1stMj=4AtxyzX+?SoB~zN}!*r?9Qvs1P
+zmV_(CTmt0sY&6=F=_M>E34GYvuh1uQF+BUdWyQC5SaEM1QvKlHBMs13C}n{0SwRxW
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+z%F=<}dn(E}ADc03zJ>JvZe;_8f+WFLL4%qNYs`_aa`a$Pl5H;iO^Wt*cP3W(d=(g}
+zZ%nKT1$|r-tAv8($u2-BI2Uiz#%OT&!Q3b~Ru2P2j;Gem!@wfPsTR%J>W{8z)oq^J
+k^Qm&?O@bFkw4CTocwoW<6CRlGz=Q`TJTT#bN9KWl0rH4|j{pDw
+
+literal 0
+HcmV?d00001
+
+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
+