config: Add Dell Latitude E5520

Tested by Minimum_Baseball_629 on Reddit

Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>

19 files changed, 2035 insertions, 1 deletions

diff --git a/config/coreboot/default/patches/0035-mb-dell-Add-Latitude-E5520-Sandybridge.patch b/config/coreboot/default/patches/0035-mb-dell-Add-Latitude-E5520-Sandybridge.patch
new file mode 100644
index 00000000..1ca4b950
--- /dev/null
+++ b/config/coreboot/default/patches/0035-mb-dell-Add-Latitude-E5520-Sandybridge.patch
@@ -0,0 +1,775 @@
+From 7c7ce2087e1ff5f0eedb65793254163d01be3056 Mon Sep 17 00:00:00 2001
+From: Nicholas Chin <nic.c3.14@gmail.com>
+Date: Wed, 7 Feb 2024 10:23:38 -0700
+Subject: [PATCH] mb/dell: Add Latitude E5520 (Sandybridge)
+
+Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>
+---
+ src/mainboard/dell/e5520/Kconfig           |  37 ++++
+ src/mainboard/dell/e5520/Kconfig.name      |   2 +
+ src/mainboard/dell/e5520/Makefile.inc      |   5 +
+ src/mainboard/dell/e5520/acpi/ec.asl       |   9 +
+ src/mainboard/dell/e5520/acpi/platform.asl |  12 ++
+ src/mainboard/dell/e5520/acpi/superio.asl  |   3 +
+ src/mainboard/dell/e5520/acpi_tables.c     |  16 ++
+ src/mainboard/dell/e5520/board_info.txt    |   6 +
+ src/mainboard/dell/e5520/cmos.default      |   9 +
+ src/mainboard/dell/e5520/cmos.layout       |  88 ++++++++++
+ src/mainboard/dell/e5520/data.vbt          | Bin 0 -> 6144 bytes
+ src/mainboard/dell/e5520/devicetree.cb     |  66 +++++++
+ src/mainboard/dell/e5520/dsdt.asl          |  30 ++++
+ src/mainboard/dell/e5520/early_init.c      |  32 ++++
+ src/mainboard/dell/e5520/gma-mainboard.ads |  20 +++
+ src/mainboard/dell/e5520/gpio.c            | 195 +++++++++++++++++++++
+ src/mainboard/dell/e5520/hda_verb.c        |  33 ++++
+ src/mainboard/dell/e5520/mainboard.c       |  21 +++
+ 18 files changed, 584 insertions(+)
+ create mode 100644 src/mainboard/dell/e5520/Kconfig
+ create mode 100644 src/mainboard/dell/e5520/Kconfig.name
+ create mode 100644 src/mainboard/dell/e5520/Makefile.inc
+ create mode 100644 src/mainboard/dell/e5520/acpi/ec.asl
+ create mode 100644 src/mainboard/dell/e5520/acpi/platform.asl
+ create mode 100644 src/mainboard/dell/e5520/acpi/superio.asl
+ create mode 100644 src/mainboard/dell/e5520/acpi_tables.c
+ create mode 100644 src/mainboard/dell/e5520/board_info.txt
+ create mode 100644 src/mainboard/dell/e5520/cmos.default
+ create mode 100644 src/mainboard/dell/e5520/cmos.layout
+ create mode 100644 src/mainboard/dell/e5520/data.vbt
+ create mode 100644 src/mainboard/dell/e5520/devicetree.cb
+ create mode 100644 src/mainboard/dell/e5520/dsdt.asl
+ create mode 100644 src/mainboard/dell/e5520/early_init.c
+ create mode 100644 src/mainboard/dell/e5520/gma-mainboard.ads
+ create mode 100644 src/mainboard/dell/e5520/gpio.c
+ create mode 100644 src/mainboard/dell/e5520/hda_verb.c
+ create mode 100644 src/mainboard/dell/e5520/mainboard.c
+
+diff --git a/src/mainboard/dell/e5520/Kconfig b/src/mainboard/dell/e5520/Kconfig
+new file mode 100644
+index 0000000000..213c54cf5c
+--- /dev/null
++++ b/src/mainboard/dell/e5520/Kconfig
+@@ -0,0 +1,37 @@
++if BOARD_DELL_LATITUDE_E5520
++
++config BOARD_SPECIFIC_OPTIONS
++	def_bool y
++	select BOARD_ROMSIZE_KB_6144
++	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 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/e5520"
++
++config MAINBOARD_PART_NUMBER
++	default "Latitude E5520"
++
++config USBDEBUG_HCD_INDEX
++	default 2
++
++config VGA_BIOS_ID
++	default "8086,0126"
++
++endif # BOARD_DELL_LATITUDE_E5520
+diff --git a/src/mainboard/dell/e5520/Kconfig.name b/src/mainboard/dell/e5520/Kconfig.name
+new file mode 100644
+index 0000000000..c88913e8b3
+--- /dev/null
++++ b/src/mainboard/dell/e5520/Kconfig.name
+@@ -0,0 +1,2 @@
++config BOARD_DELL_LATITUDE_E5520
++	bool "Latitude E5520"
+diff --git a/src/mainboard/dell/e5520/Makefile.inc b/src/mainboard/dell/e5520/Makefile.inc
+new file mode 100644
+index 0000000000..18391d8b18
+--- /dev/null
++++ b/src/mainboard/dell/e5520/Makefile.inc
+@@ -0,0 +1,5 @@
++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/e5520/acpi/ec.asl b/src/mainboard/dell/e5520/acpi/ec.asl
+new file mode 100644
+index 0000000000..0d429410a9
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/acpi/platform.asl b/src/mainboard/dell/e5520/acpi/platform.asl
+new file mode 100644
+index 0000000000..2d24bbd9b9
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/acpi/superio.asl b/src/mainboard/dell/e5520/acpi/superio.asl
+new file mode 100644
+index 0000000000..55b1db5b11
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/acpi_tables.c b/src/mainboard/dell/e5520/acpi_tables.c
+new file mode 100644
+index 0000000000..e2759659bf
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/board_info.txt b/src/mainboard/dell/e5520/board_info.txt
+new file mode 100644
+index 0000000000..34d5ad9e0b
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/cmos.default b/src/mainboard/dell/e5520/cmos.default
+new file mode 100644
+index 0000000000..279415dfd1
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/cmos.layout b/src/mainboard/dell/e5520/cmos.layout
+new file mode 100644
+index 0000000000..1aa7e77bce
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/data.vbt b/src/mainboard/dell/e5520/data.vbt
+new file mode 100644
+index 0000000000000000000000000000000000000000..b511e75262e37fa123d674e9a7b21a8dfe427729
+GIT binary patch
+literal 6144
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+
+diff --git a/src/mainboard/dell/e5520/devicetree.cb b/src/mainboard/dell/e5520/devicetree.cb
+new file mode 100644
+index 0000000000..bef96ac14c
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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" = "0x00000218"
++	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 0x049a 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, 0, 0, 0, 1, 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		off 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	off end
++			device ref pcie_rp5	on end
++			device ref pcie_rp6	on end
++			device ref pcie_rp7	on 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/e5520/dsdt.asl b/src/mainboard/dell/e5520/dsdt.asl
+new file mode 100644
+index 0000000000..7d13c55b08
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/early_init.c b/src/mainboard/dell/e5520/early_init.c
+new file mode 100644
+index 0000000000..7297921546
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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, 1, 2 },
++	{ 1, 1, 2 },
++	{ 1, 1, 3 },
++	{ 1, 1, 3 },
++	{ 1, 1, 5 },
++	{ 1, 1, 5 },
++	{ 1, 1, 7 },
++	{ 1, 1, 6 },
++	{ 1, 1, 6 },
++	{ 1, 1, 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/e5520/gma-mainboard.ads b/src/mainboard/dell/e5520/gma-mainboard.ads
+new file mode 100644
+index 0000000000..2a16f44360
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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/e5520/gpio.c b/src/mainboard/dell/e5520/gpio.c
+new file mode 100644
+index 0000000000..f76b93d9f0
+--- /dev/null
++++ b/src/mainboard/dell/e5520/gpio.c
+@@ -0,0 +1,195 @@
++/* 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_GPIO,
++	.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_GPIO,
++	.gpio13 = GPIO_MODE_GPIO,
++	.gpio14 = GPIO_MODE_GPIO,
++	.gpio15 = GPIO_MODE_GPIO,
++	.gpio16 = GPIO_MODE_NATIVE,
++	.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_NATIVE,
++};
++
++static const struct pch_gpio_set1 pch_gpio_set1_direction = {
++	.gpio0 = GPIO_DIR_INPUT,
++	.gpio2 = GPIO_DIR_INPUT,
++	.gpio3 = GPIO_DIR_INPUT,
++	.gpio4 = GPIO_DIR_INPUT,
++	.gpio6 = GPIO_DIR_INPUT,
++	.gpio7 = GPIO_DIR_INPUT,
++	.gpio8 = GPIO_DIR_INPUT,
++	.gpio12 = GPIO_DIR_OUTPUT,
++	.gpio13 = GPIO_DIR_INPUT,
++	.gpio14 = GPIO_DIR_INPUT,
++	.gpio15 = 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,
++};
++
++static const struct pch_gpio_set1 pch_gpio_set1_level = {
++	.gpio12 = GPIO_LEVEL_HIGH,
++	.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_NATIVE,
++	.gpio46 = GPIO_MODE_GPIO,
++	.gpio47 = GPIO_MODE_NATIVE,
++	.gpio48 = GPIO_MODE_GPIO,
++	.gpio49 = GPIO_MODE_NATIVE,
++	.gpio50 = GPIO_MODE_GPIO,
++	.gpio51 = GPIO_MODE_GPIO,
++	.gpio52 = GPIO_MODE_GPIO,
++	.gpio53 = GPIO_MODE_GPIO,
++	.gpio54 = GPIO_MODE_GPIO,
++	.gpio55 = GPIO_MODE_GPIO,
++	.gpio56 = GPIO_MODE_GPIO,
++	.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_OUTPUT,
++	.gpio38 = GPIO_DIR_INPUT,
++	.gpio39 = GPIO_DIR_INPUT,
++	.gpio46 = GPIO_DIR_OUTPUT,
++	.gpio48 = GPIO_DIR_INPUT,
++	.gpio50 = GPIO_DIR_OUTPUT,
++	.gpio51 = GPIO_DIR_OUTPUT,
++	.gpio52 = GPIO_DIR_INPUT,
++	.gpio53 = GPIO_DIR_INPUT,
++	.gpio54 = GPIO_DIR_INPUT,
++	.gpio55 = GPIO_DIR_OUTPUT,
++	.gpio56 = GPIO_DIR_INPUT,
++	.gpio57 = GPIO_DIR_INPUT,
++	.gpio60 = GPIO_DIR_OUTPUT,
++};
++
++static const struct pch_gpio_set2 pch_gpio_set2_level = {
++	.gpio34 = GPIO_LEVEL_LOW,
++	.gpio37 = GPIO_LEVEL_LOW,
++	.gpio46 = GPIO_LEVEL_HIGH,
++	.gpio50 = GPIO_LEVEL_HIGH,
++	.gpio51 = GPIO_LEVEL_LOW,
++	.gpio55 = 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_NATIVE,
++	.gpio69 = GPIO_MODE_NATIVE,
++	.gpio70 = GPIO_MODE_NATIVE,
++	.gpio71 = GPIO_MODE_NATIVE,
++	.gpio72 = GPIO_MODE_NATIVE,
++	.gpio73 = GPIO_MODE_NATIVE,
++	.gpio74 = GPIO_MODE_GPIO,
++	.gpio75 = GPIO_MODE_NATIVE,
++};
++
++static const struct pch_gpio_set3 pch_gpio_set3_direction = {
++	.gpio74 = 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/e5520/hda_verb.c b/src/mainboard/dell/e5520/hda_verb.c
+new file mode 100644
+index 0000000000..e2efee3646
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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 */
++	0x1028049a,	/* Subsystem ID */
++	11,		/* Number of 4 dword sets */
++	AZALIA_SUBVENDOR(0, 0x1028049a),
++	AZALIA_PIN_CFG(0, 0x0a, 0x04a11020),
++	AZALIA_PIN_CFG(0, 0x0b, 0x0421101f),
++	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, 0xd5a301a0),
++	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/e5520/mainboard.c b/src/mainboard/dell/e5520/mainboard.c
+new file mode 100644
+index 0000000000..31e49802fc
+--- /dev/null
++++ b/src/mainboard/dell/e5520/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
+
diff --git a/config/coreboot/dell9020mt_12mb/config/libgfxinit_corebootfb b/config/coreboot/dell9020mt_12mb/config/libgfxinit_corebootfb
index 7fc1d59a..3cbdbdd9 100644
--- a/config/coreboot/dell9020mt_12mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/dell9020mt_12mb/config/libgfxinit_corebootfb
@@ -135,6 +135,7 @@ CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
 CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/dell9020mt_12mb/config/libgfxinit_txtmode b/config/coreboot/dell9020mt_12mb/config/libgfxinit_txtmode
index 7b226448..e8b3d64f 100644
--- a/config/coreboot/dell9020mt_12mb/config/libgfxinit_txtmode
+++ b/config/coreboot/dell9020mt_12mb/config/libgfxinit_txtmode
@@ -133,6 +133,7 @@ CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
 CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e5520_6mb/config/libgfxinit_corebootfb b/config/coreboot/e5520_6mb/config/libgfxinit_corebootfb
new file mode 100644
index 00000000..5276c108
--- /dev/null
+++ b/config/coreboot/e5520_6mb/config/libgfxinit_corebootfb
@@ -0,0 +1,619 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# coreboot configuration
+#
+
+#
+# General setup
+#
+CONFIG_COREBOOT_BUILD=y
+CONFIG_LOCALVERSION=""
+CONFIG_CBFS_PREFIX="fallback"
+CONFIG_COMPILER_GCC=y
+# CONFIG_COMPILER_LLVM_CLANG is not set
+CONFIG_ARCH_SUPPORTS_CLANG=y
+# CONFIG_ANY_TOOLCHAIN is not set
+# CONFIG_CCACHE is not set
+# CONFIG_IWYU is not set
+# CONFIG_FMD_GENPARSER is not set
+# CONFIG_UTIL_GENPARSER is not set
+# CONFIG_OPTION_BACKEND_NONE is not set
+CONFIG_USE_OPTION_TABLE=y
+CONFIG_STATIC_OPTION_TABLE=y
+CONFIG_COMPRESS_RAMSTAGE_LZMA=y
+# CONFIG_COMPRESS_RAMSTAGE_LZ4 is not set
+CONFIG_SEPARATE_ROMSTAGE=y
+CONFIG_INCLUDE_CONFIG_FILE=y
+CONFIG_COLLECT_TIMESTAMPS=y
+# CONFIG_TIMESTAMPS_ON_CONSOLE is not set
+CONFIG_USE_BLOBS=y
+# CONFIG_USE_AMD_BLOBS is not set
+# CONFIG_USE_QC_BLOBS is not set
+# CONFIG_COVERAGE is not set
+# CONFIG_UBSAN is not set
+CONFIG_HAVE_ASAN_IN_RAMSTAGE=y
+# CONFIG_ASAN is not set
+CONFIG_NO_STAGE_CACHE=y
+# CONFIG_TSEG_STAGE_CACHE is not set
+# CONFIG_UPDATE_IMAGE is not set
+# CONFIG_BOOTSPLASH_IMAGE is not set
+# CONFIG_FW_CONFIG is not set
+
+#
+# Software Bill Of Materials (SBOM)
+#
+# CONFIG_SBOM is not set
+# end of Software Bill Of Materials (SBOM)
+# end of General setup
+
+#
+# Mainboard
+#
+
+#
+# Important: Run 'make distclean' before switching boards
+#
+# CONFIG_VENDOR_51NB is not set
+# CONFIG_VENDOR_ACER is not set
+# CONFIG_VENDOR_ADLINK is not set
+# CONFIG_VENDOR_AMD is not set
+# CONFIG_VENDOR_AOPEN is not set
+# CONFIG_VENDOR_APPLE is not set
+# CONFIG_VENDOR_ASROCK is not set
+# CONFIG_VENDOR_ASUS is not set
+# CONFIG_VENDOR_BIOSTAR is not set
+# CONFIG_VENDOR_BOSTENTECH is not set
+# CONFIG_VENDOR_BYTEDANCE is not set
+# CONFIG_VENDOR_CAVIUM is not set
+# CONFIG_VENDOR_CLEVO is not set
+# CONFIG_VENDOR_COMPULAB is not set
+CONFIG_VENDOR_DELL=y
+# CONFIG_VENDOR_EMULATION is not set
+# CONFIG_VENDOR_EXAMPLE is not set
+# CONFIG_VENDOR_FACEBOOK is not set
+# CONFIG_VENDOR_FOXCONN is not set
+# CONFIG_VENDOR_GETAC is not set
+# CONFIG_VENDOR_GIGABYTE is not set
+# CONFIG_VENDOR_GOOGLE is not set
+# CONFIG_VENDOR_HP is not set
+# CONFIG_VENDOR_IBASE is not set
+# CONFIG_VENDOR_IBM is not set
+# CONFIG_VENDOR_INTEL is not set
+# CONFIG_VENDOR_INVENTEC is not set
+# CONFIG_VENDOR_KONTRON is not set
+# CONFIG_VENDOR_LENOVO is not set
+# CONFIG_VENDOR_LIBRETREND is not set
+# CONFIG_VENDOR_MSI is not set
+# CONFIG_VENDOR_OCP is not set
+# CONFIG_VENDOR_OPENCELLULAR is not set
+# CONFIG_VENDOR_PACKARDBELL is not set
+# CONFIG_VENDOR_PCENGINES is not set
+# CONFIG_VENDOR_PINE64 is not set
+# CONFIG_VENDOR_PORTWELL is not set
+# CONFIG_VENDOR_PRODRIVE is not set
+# CONFIG_VENDOR_PROTECTLI is not set
+# CONFIG_VENDOR_PURISM is not set
+# CONFIG_VENDOR_RAZER is not set
+# CONFIG_VENDOR_RODA is not set
+# CONFIG_VENDOR_SAMSUNG is not set
+# CONFIG_VENDOR_SAPPHIRE is not set
+# CONFIG_VENDOR_SIEMENS is not set
+# CONFIG_VENDOR_SIFIVE is not set
+# CONFIG_VENDOR_STARLABS is not set
+# CONFIG_VENDOR_SUPERMICRO is not set
+# CONFIG_VENDOR_SYSTEM76 is not set
+# CONFIG_VENDOR_TI is not set
+# CONFIG_VENDOR_UP is not set
+CONFIG_BOARD_SPECIFIC_OPTIONS=y
+CONFIG_MAINBOARD_PART_NUMBER="Latitude E5520"
+CONFIG_MAINBOARD_VERSION="1.0"
+CONFIG_MAINBOARD_DIR="dell/e5520"
+CONFIG_VGA_BIOS_ID="8086,0126"
+CONFIG_DIMM_MAX=4
+CONFIG_DIMM_SPD_SIZE=256
+CONFIG_FMDFILE=""
+# CONFIG_NO_POST is not set
+CONFIG_MAINBOARD_VENDOR="Dell Inc."
+CONFIG_CBFS_SIZE=0x5ea000
+CONFIG_LINEAR_FRAMEBUFFER_MAX_HEIGHT=1600
+CONFIG_LINEAR_FRAMEBUFFER_MAX_WIDTH=2560
+CONFIG_MAX_CPUS=8
+# CONFIG_ONBOARD_VGA_IS_PRIMARY is not set
+CONFIG_POST_DEVICE=y
+CONFIG_POST_IO=y
+CONFIG_DEVICETREE="devicetree.cb"
+# CONFIG_VBOOT is not set
+CONFIG_OVERRIDE_DEVICETREE=""
+# CONFIG_VGA_BIOS is not set
+CONFIG_MAINBOARD_SMBIOS_MANUFACTURER="Dell Inc."
+CONFIG_DRAM_RESET_GATE_GPIO=60
+CONFIG_INTEL_GMA_VBT_FILE="src/mainboard/$(MAINBOARDDIR)/data.vbt"
+CONFIG_PRERAM_CBMEM_CONSOLE_SIZE=0xc00
+CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
+CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
+CONFIG_USBDEBUG_HCD_INDEX=2
+CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
+# CONFIG_CONSOLE_POST is not set
+CONFIG_BOARD_DELL_LATITUDE_E5520=y
+# CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
+# CONFIG_BOARD_DELL_E6400 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6430 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6520 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6530 is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9020_SFF is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9020_MT is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9010 is not set
+# CONFIG_BOARD_DELL_PRECISION_T1650 is not set
+CONFIG_PS2K_EISAID="PNP0303"
+CONFIG_PS2M_EISAID="PNP0F13"
+CONFIG_ECAM_MMCONF_BASE_ADDRESS=0xf0000000
+CONFIG_ECAM_MMCONF_BUS_NUMBER=64
+CONFIG_MEMLAYOUT_LD_FILE="src/arch/x86/memlayout.ld"
+CONFIG_DCACHE_RAM_BASE=0xfefe0000
+CONFIG_DCACHE_RAM_SIZE=0x20000
+CONFIG_C_ENV_BOOTBLOCK_SIZE=0x40000
+CONFIG_DCACHE_BSP_STACK_SIZE=0x10000
+CONFIG_MAX_ACPI_TABLE_SIZE_KB=144
+CONFIG_HAVE_INTEL_FIRMWARE=y
+CONFIG_MRC_SETTINGS_CACHE_SIZE=0x10000
+CONFIG_SPI_FLASH_INCLUDE_ALL_DRIVERS=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DRIVERS_INTEL_WIFI=y
+CONFIG_IFD_BIN_PATH="../../../config/ifd/dell_sandybridge/6_ifd_nogbe"
+CONFIG_ME_BIN_PATH="../../../vendorfiles/dell_sandybridge/me.bin"
+CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x20000
+CONFIG_CARDBUS_PLUGIN_SUPPORT=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_STMICRO=y
+# CONFIG_DEBUG_SMI is not set
+CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME="Latitude E5520"
+CONFIG_HAVE_IFD_BIN=y
+CONFIG_PCIEXP_HOTPLUG_BUSES=8
+CONFIG_PCIEXP_HOTPLUG_MEM=0x800000
+CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM=0x10000000
+CONFIG_GFX_GMA_PANEL_1_PORT="LVDS"
+CONFIG_D3COLD_SUPPORT=y
+CONFIG_PCIEXP_ASPM=y
+# CONFIG_PCIEXP_L1_SUB_STATE is not set
+# CONFIG_PCIEXP_CLK_PM is not set
+# CONFIG_DRIVERS_UART_8250IO is not set
+CONFIG_PC_CMOS_BASE_PORT_BANK1=0x72
+CONFIG_EC_GPE_SCI=0x50
+CONFIG_BOARD_ROMSIZE_KB_6144=y
+# CONFIG_COREBOOT_ROMSIZE_KB_256 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_512 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_1024 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_2048 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_4096 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_5120 is not set
+CONFIG_COREBOOT_ROMSIZE_KB_6144=y
+# CONFIG_COREBOOT_ROMSIZE_KB_8192 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_10240 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_12288 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_16384 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_24576 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_32768 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_65536 is not set
+CONFIG_COREBOOT_ROMSIZE_KB=6144
+CONFIG_ROM_SIZE=0x00600000
+CONFIG_HAVE_POWER_STATE_AFTER_FAILURE=y
+CONFIG_HAVE_POWER_STATE_PREVIOUS_AFTER_FAILURE=y
+CONFIG_POWER_STATE_OFF_AFTER_FAILURE=y
+# CONFIG_POWER_STATE_ON_AFTER_FAILURE is not set
+# CONFIG_POWER_STATE_PREVIOUS_AFTER_FAILURE is not set
+CONFIG_MAINBOARD_POWER_FAILURE_STATE=0
+# end of Mainboard
+
+CONFIG_SYSTEM_TYPE_LAPTOP=y
+
+#
+# Chipset
+#
+
+#
+# SoC
+#
+CONFIG_CHIPSET_DEVICETREE="northbridge/intel/sandybridge/chipset.cb"
+CONFIG_CBFS_MCACHE_SIZE=0x4000
+CONFIG_ROMSTAGE_ADDR=0x2000000
+CONFIG_VERSTAGE_ADDR=0x2000000
+CONFIG_SMM_TSEG_SIZE=0x800000
+CONFIG_SMM_RESERVED_SIZE=0x100000
+CONFIG_SMM_MODULE_STACK_SIZE=0x400
+# CONFIG_USE_EXP_X86_64_SUPPORT is not set
+CONFIG_SERIRQ_CONTINUOUS_MODE=y
+CONFIG_PRERAM_CBFS_CACHE_SIZE=0x0
+CONFIG_EHCI_BAR=0xfef00000
+CONFIG_ACPI_CPU_STRING="CP%02X"
+CONFIG_STACK_SIZE=0x2000
+CONFIG_IED_REGION_SIZE=0x400000
+CONFIG_INTEL_GMA_BCLV_OFFSET=0x48254
+CONFIG_INTEL_GMA_BCLV_WIDTH=16
+CONFIG_INTEL_GMA_BCLM_OFFSET=0xc8256
+CONFIG_INTEL_GMA_BCLM_WIDTH=16
+CONFIG_BOOTBLOCK_IN_CBFS=y
+CONFIG_DOMAIN_RESOURCE_32BIT_LIMIT=0xfe000000
+CONFIG_DCACHE_RAM_MRC_VAR_SIZE=0x0
+CONFIG_HPET_MIN_TICKS=0x80
+CONFIG_FIXED_MCHBAR_MMIO_BASE=0xfed10000
+CONFIG_FIXED_DMIBAR_MMIO_BASE=0xfed18000
+CONFIG_FIXED_EPBAR_MMIO_BASE=0xfed19000
+CONFIG_PCIEXP_COMMON_CLOCK=y
+CONFIG_SOC_PHYSICAL_ADDRESS_WIDTH=0
+CONFIG_FIXED_SMBUS_IO_BASE=0x400
+CONFIG_CBFS_CACHE_ALIGN=8
+
+#
+# CPU
+#
+CONFIG_CPU_INTEL_MODEL_206AX=y
+CONFIG_CPU_INTEL_COMMON=y
+CONFIG_ENABLE_VMX=y
+CONFIG_SET_IA32_FC_LOCK_BIT=y
+CONFIG_SET_MSR_AESNI_LOCK_BIT=y
+CONFIG_CPU_INTEL_COMMON_TIMEBASE=y
+CONFIG_CPU_INTEL_COMMON_SMM=y
+CONFIG_MICROCODE_UPDATE_PRE_RAM=y
+CONFIG_PARALLEL_MP=y
+CONFIG_XAPIC_ONLY=y
+# CONFIG_X2APIC_ONLY is not set
+# CONFIG_X2APIC_RUNTIME is not set
+# CONFIG_X2APIC_LATE_WORKAROUND is not set
+CONFIG_UDELAY_TSC=y
+CONFIG_TSC_MONOTONIC_TIMER=y
+CONFIG_TSC_SYNC_MFENCE=y
+CONFIG_HAVE_SMI_HANDLER=y
+CONFIG_SMM_TSEG=y
+CONFIG_SMM_PCI_RESOURCE_STORE_NUM_SLOTS=8
+CONFIG_AP_STACK_SIZE=0x800
+CONFIG_SMP=y
+CONFIG_SSE=y
+CONFIG_SSE2=y
+CONFIG_SUPPORT_CPU_UCODE_IN_CBFS=y
+CONFIG_USE_CPU_MICROCODE_CBFS_BINS=y
+CONFIG_CPU_MICROCODE_CBFS_DEFAULT_BINS=y
+# CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS is not set
+# CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER is not set
+# CONFIG_CPU_MICROCODE_CBFS_NONE is not set
+
+#
+# Northbridge
+#
+CONFIG_USE_NATIVE_RAMINIT=y
+CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE=y
+# CONFIG_NATIVE_RAMINIT_IGNORE_MAX_MEM_FUSES is not set
+# CONFIG_NATIVE_RAMINIT_IGNORE_XMP_MAX_DIMMS is not set
+# CONFIG_NATIVE_RAMINIT_IGNORE_XMP_REQUESTED_VOLTAGE is not set
+# CONFIG_RAMINIT_ALWAYS_ALLOW_DLL_OFF is not set
+CONFIG_RAMINIT_ENABLE_ECC=y
+
+#
+# Southbridge
+#
+CONFIG_SOUTHBRIDGE_INTEL_BD82X6X_COMMON=y
+CONFIG_SOUTHBRIDGE_INTEL_BD82X6X=y
+# CONFIG_HIDE_MEI_ON_ERROR is not set
+CONFIG_PCIEXP_HOTPLUG=y
+CONFIG_INTEL_DESCRIPTOR_MODE_REQUIRED=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RESET=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RTC=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMCLIB=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMBASE=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_GPIO=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_ME=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMBUS=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH9=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PIRQ_ACPI_GEN=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RCBA_PIRQ=y
+CONFIG_HAVE_INTEL_CHIPSET_LOCKDOWN=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMM=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_FINALIZE=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_USB_DEBUG=y
+CONFIG_INTEL_DESCRIPTOR_MODE_CAPABLE=y
+# CONFIG_VALIDATE_INTEL_DESCRIPTOR is not set
+CONFIG_INTEL_CHIPSET_LOCKDOWN=y
+CONFIG_TCO_SPACE_NOT_YET_SPLIT=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_WATCHDOG=y
+CONFIG_FIXED_RCBA_MMIO_BASE=0xfed1c000
+CONFIG_RCBA_LENGTH=0x4000
+
+#
+# Super I/O
+#
+
+#
+# Embedded Controllers
+#
+CONFIG_EC_ACPI=y
+CONFIG_EC_DELL_MEC5035=y
+
+#
+# Intel Firmware
+#
+CONFIG_HAVE_ME_BIN=y
+# CONFIG_STITCH_ME_BIN is not set
+# CONFIG_CHECK_ME is not set
+# CONFIG_ME_REGION_ALLOW_CPU_READ_ACCESS is not set
+# CONFIG_USE_ME_CLEANER is not set
+# CONFIG_DO_NOT_TOUCH_DESCRIPTOR_REGION is not set
+# CONFIG_LOCK_MANAGEMENT_ENGINE is not set
+CONFIG_UNLOCK_FLASH_REGIONS=y
+CONFIG_ARCH_X86=y
+CONFIG_ARCH_BOOTBLOCK_X86_32=y
+CONFIG_ARCH_VERSTAGE_X86_32=y
+CONFIG_ARCH_ROMSTAGE_X86_32=y
+CONFIG_ARCH_POSTCAR_X86_32=y
+CONFIG_ARCH_RAMSTAGE_X86_32=y
+CONFIG_ARCH_ALL_STAGES_X86_32=y
+CONFIG_HAVE_EXP_X86_64_SUPPORT=y
+CONFIG_RESERVED_PHYSICAL_ADDRESS_BITS_SUPPORT=y
+CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
+CONFIG_POSTRAM_CBFS_CACHE_IN_BSS=y
+CONFIG_RAMSTAGE_CBFS_CACHE_SIZE=0x4000
+CONFIG_PC80_SYSTEM=y
+CONFIG_HAVE_CMOS_DEFAULT=y
+CONFIG_POSTCAR_STAGE=y
+CONFIG_BOOTBLOCK_SIMPLE=y
+# CONFIG_BOOTBLOCK_NORMAL is not set
+CONFIG_COLLECT_TIMESTAMPS_TSC=y
+CONFIG_HAVE_CF9_RESET=y
+CONFIG_DEBUG_HW_BREAKPOINTS=y
+CONFIG_DEBUG_NULL_DEREF_BREAKPOINTS=y
+# CONFIG_DUMP_SMBIOS_TYPE17 is not set
+# end of Chipset
+
+#
+# Devices
+#
+CONFIG_HAVE_VGA_TEXT_FRAMEBUFFER=y
+CONFIG_HAVE_LINEAR_FRAMEBUFFER=y
+CONFIG_MAINBOARD_HAS_LIBGFXINIT=y
+CONFIG_MAINBOARD_USE_LIBGFXINIT=y
+# CONFIG_VGA_ROM_RUN is not set
+# CONFIG_NO_GFX_INIT is not set
+CONFIG_NO_EARLY_GFX_INIT=y
+
+#
+# Display
+#
+# CONFIG_VGA_TEXT_FRAMEBUFFER is not set
+CONFIG_GENERIC_LINEAR_FRAMEBUFFER=y
+CONFIG_LINEAR_FRAMEBUFFER=y
+# CONFIG_BOOTSPLASH is not set
+# end of Display
+
+CONFIG_PCI=y
+CONFIG_ECAM_MMCONF_SUPPORT=y
+CONFIG_PCIX_PLUGIN_SUPPORT=y
+CONFIG_AZALIA_HDA_CODEC_SUPPORT=y
+CONFIG_PCIEXP_PLUGIN_SUPPORT=y
+CONFIG_ECAM_MMCONF_LENGTH=0x04000000
+CONFIG_PCI_ALLOW_BUS_MASTER=y
+CONFIG_PCI_SET_BUS_MASTER_PCI_BRIDGES=y
+CONFIG_PCI_ALLOW_BUS_MASTER_ANY_DEVICE=y
+# CONFIG_PCIEXP_SUPPORT_RESIZABLE_BARS is not set
+# CONFIG_PCIEXP_LANE_ERR_STAT_CLEAR is not set
+CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM_ABOVE_4G=y
+# CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM_BELOW_4G is not set
+CONFIG_PCIEXP_HOTPLUG_IO=0x800
+# CONFIG_EARLY_PCI_BRIDGE is not set
+CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
+CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
+CONFIG_INTEL_GMA_HAVE_VBT=y
+CONFIG_INTEL_GMA_ADD_VBT=y
+# CONFIG_SOFTWARE_I2C is not set
+CONFIG_I2C_TRANSFER_TIMEOUT_US=500000
+CONFIG_RESOURCE_ALLOCATION_TOP_DOWN=y
+CONFIG_USE_DDR3=y
+# end of Devices
+
+#
+# Generic Drivers
+#
+CONFIG_CRB_TPM_BASE_ADDRESS=0xfed40000
+# CONFIG_ELOG is not set
+CONFIG_CACHE_MRC_SETTINGS=y
+# CONFIG_MRC_SETTINGS_PROTECT is not set
+# CONFIG_SMMSTORE is not set
+CONFIG_SPI_FLASH=y
+CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP=y
+CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY=y
+# CONFIG_SPI_FLASH_NO_FAST_READ is not set
+CONFIG_SPI_FLASH_ADESTO=y
+CONFIG_SPI_FLASH_AMIC=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_SST=y
+CONFIG_SPI_FLASH_ISSI=y
+# CONFIG_DRIVERS_UART_OXPCIE is not set
+CONFIG_HAVE_USBDEBUG=y
+CONFIG_HAVE_USBDEBUG_OPTIONS=y
+# CONFIG_USBDEBUG is not set
+# CONFIG_VPD is not set
+# CONFIG_DRIVERS_GENERIC_CBFS_SERIAL is not set
+# CONFIG_DRIVERS_GENERIC_CBFS_UUID is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9750 is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9755 is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9763E is not set
+# CONFIG_DRIVERS_I2C_MAX98396 is not set
+CONFIG_INTEL_INT15=y
+CONFIG_INTEL_GMA_ACPI=y
+CONFIG_VBT_CBFS_COMPRESSION_LZMA=y
+# CONFIG_VBT_CBFS_COMPRESSION_LZ4 is not set
+# CONFIG_VBT_CBFS_COMPRESSION_NONE is not set
+CONFIG_VBT_CBFS_COMPRESSION_ALGORITHM="lzma"
+CONFIG_GFX_GMA=y
+CONFIG_GFX_GMA_PANEL_1_ON_LVDS=y
+CONFIG_GFX_GMA_DYN_CPU=y
+CONFIG_GFX_GMA_GENERATION="Ironlake"
+CONFIG_GFX_GMA_PCH="Cougar_Point"
+CONFIG_GFX_GMA_PANEL_2_PORT="Disabled"
+CONFIG_GFX_GMA_ANALOG_I2C_PORT="PCH_DAC"
+# CONFIG_DRIVERS_NXP_UWB_SR1XX is not set
+# CONFIG_DRIVERS_PS2_KEYBOARD is not set
+CONFIG_DRIVERS_MC146818=y
+# CONFIG_USE_PC_CMOS_ALTCENTURY is not set
+CONFIG_PC_CMOS_BASE_PORT_BANK0=0x70
+# CONFIG_DRIVERS_SIL_3114 is not set
+CONFIG_DRIVERS_WIFI_GENERIC=y
+# end of Generic Drivers
+
+#
+# Security
+#
+
+#
+# CBFS verification
+#
+# CONFIG_CBFS_VERIFICATION is not set
+# end of CBFS verification
+
+#
+# Verified Boot (vboot)
+#
+# end of Verified Boot (vboot)
+
+#
+# Trusted Platform Module
+#
+CONFIG_NO_TPM=y
+CONFIG_PCR_BOOT_MODE=1
+CONFIG_PCR_HWID=1
+CONFIG_PCR_SRTM=2
+CONFIG_PCR_FW_VER=10
+CONFIG_PCR_RUNTIME_DATA=3
+# end of Trusted Platform Module
+
+#
+# Memory initialization
+#
+CONFIG_PLATFORM_HAS_DRAM_CLEAR=y
+CONFIG_SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT=y
+# end of Memory initialization
+
+# CONFIG_STM is not set
+CONFIG_BOOTMEDIA_LOCK_NONE=y
+# CONFIG_BOOTMEDIA_LOCK_CONTROLLER is not set
+# CONFIG_BOOTMEDIA_LOCK_CHIP is not set
+# CONFIG_BOOTMEDIA_SMM_BWP is not set
+# end of Security
+
+CONFIG_ACPI_HAVE_PCAT_8259=y
+CONFIG_ACPI_INTEL_HARDWARE_SLEEP_VALUES=y
+CONFIG_ACPI_SOC_NVS=y
+CONFIG_ACPI_NO_CUSTOM_MADT=y
+CONFIG_ACPI_COMMON_MADT_LAPIC=y
+CONFIG_ACPI_COMMON_MADT_IOAPIC=y
+CONFIG_HAVE_ACPI_TABLES=y
+CONFIG_BOOT_DEVICE_SPI_FLASH=y
+CONFIG_BOOT_DEVICE_MEMORY_MAPPED=y
+CONFIG_BOOT_DEVICE_SUPPORTS_WRITES=y
+CONFIG_RTC=y
+CONFIG_HEAP_SIZE=0x100000
+
+#
+# Console
+#
+CONFIG_BOOTBLOCK_CONSOLE=y
+CONFIG_POSTCAR_CONSOLE=y
+CONFIG_SQUELCH_EARLY_SMP=y
+# CONFIG_SPKMODEM is not set
+# CONFIG_CONSOLE_NE2K is not set
+CONFIG_CONSOLE_CBMEM=y
+# CONFIG_CONSOLE_CBMEM_DUMP_TO_UART is not set
+# CONFIG_CONSOLE_SPI_FLASH is not set
+# CONFIG_CONSOLE_I2C_SMBUS is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_8 is not set
+CONFIG_DEFAULT_CONSOLE_LOGLEVEL_7=y
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_6 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_5 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_4 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_3 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_2 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_1 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_0 is not set
+CONFIG_DEFAULT_CONSOLE_LOGLEVEL=7
+CONFIG_CONSOLE_USE_LOGLEVEL_PREFIX=y
+CONFIG_CONSOLE_USE_ANSI_ESCAPES=y
+# CONFIG_CMOS_POST is not set
+CONFIG_POST_DEVICE_NONE=y
+# CONFIG_POST_DEVICE_LPC is not set
+# CONFIG_POST_DEVICE_PCI_PCIE is not set
+CONFIG_POST_IO_PORT=0x80
+CONFIG_HWBASE_DEBUG_CB=y
+# end of Console
+
+CONFIG_HAVE_ACPI_RESUME=y
+CONFIG_RESUME_PATH_SAME_AS_BOOT=y
+CONFIG_HAVE_MONOTONIC_TIMER=y
+CONFIG_HAVE_OPTION_TABLE=y
+CONFIG_IOAPIC=y
+CONFIG_USE_WATCHDOG_ON_BOOT=y
+
+#
+# System tables
+#
+CONFIG_GENERATE_SMBIOS_TABLES=y
+CONFIG_BIOS_VENDOR="coreboot"
+CONFIG_MAINBOARD_SERIAL_NUMBER="123456789"
+# end of System tables
+
+#
+# Payload
+#
+CONFIG_PAYLOAD_NONE=y
+# end of Payload
+
+#
+# Debugging
+#
+
+#
+# CPU Debug Settings
+#
+# CONFIG_DISPLAY_MTRRS is not set
+
+#
+# Vendorcode Debug Settings
+#
+
+#
+# BLOB Debug Settings
+#
+
+#
+# General Debug Settings
+#
+# CONFIG_FATAL_ASSERTS is not set
+# CONFIG_DEBUG_CBFS is not set
+CONFIG_HAVE_DEBUG_RAM_SETUP=y
+# CONFIG_DEBUG_RAM_SETUP is not set
+CONFIG_HAVE_DEBUG_SMBUS=y
+# CONFIG_DEBUG_SMBUS is not set
+# CONFIG_DEBUG_MALLOC is not set
+# CONFIG_DEBUG_CONSOLE_INIT is not set
+# CONFIG_DEBUG_SPI_FLASH is not set
+# CONFIG_DEBUG_BOOT_STATE is not set
+# CONFIG_DEBUG_ADA_CODE is not set
+CONFIG_HAVE_EM100_SUPPORT=y
+# CONFIG_EM100 is not set
+# CONFIG_DEBUG_ACPICA_COMPATIBLE is not set
+# end of Debugging
+
+CONFIG_RAMSTAGE_ADA=y
+CONFIG_RAMSTAGE_LIBHWBASE=y
+CONFIG_HWBASE_DYNAMIC_MMIO=y
+CONFIG_HWBASE_DEFAULT_MMCONF=0xf0000000
+CONFIG_HWBASE_DIRECT_PCIDEV=y
+CONFIG_DECOMPRESS_OFAST=y
+CONFIG_WARNINGS_ARE_ERRORS=y
+CONFIG_MAX_REBOOT_CNT=3
+CONFIG_RELOCATABLE_MODULES=y
+CONFIG_HAVE_BOOTBLOCK=y
+CONFIG_HAVE_ROMSTAGE=y
+CONFIG_HAVE_RAMSTAGE=y
diff --git a/config/coreboot/e5520_6mb/config/libgfxinit_txtmode b/config/coreboot/e5520_6mb/config/libgfxinit_txtmode
new file mode 100644
index 00000000..29148416
--- /dev/null
+++ b/config/coreboot/e5520_6mb/config/libgfxinit_txtmode
@@ -0,0 +1,616 @@
+#
+# Automatically generated file; DO NOT EDIT.
+# coreboot configuration
+#
+
+#
+# General setup
+#
+CONFIG_COREBOOT_BUILD=y
+CONFIG_LOCALVERSION=""
+CONFIG_CBFS_PREFIX="fallback"
+CONFIG_COMPILER_GCC=y
+# CONFIG_COMPILER_LLVM_CLANG is not set
+CONFIG_ARCH_SUPPORTS_CLANG=y
+# CONFIG_ANY_TOOLCHAIN is not set
+# CONFIG_CCACHE is not set
+# CONFIG_IWYU is not set
+# CONFIG_FMD_GENPARSER is not set
+# CONFIG_UTIL_GENPARSER is not set
+# CONFIG_OPTION_BACKEND_NONE is not set
+CONFIG_USE_OPTION_TABLE=y
+CONFIG_STATIC_OPTION_TABLE=y
+CONFIG_COMPRESS_RAMSTAGE_LZMA=y
+# CONFIG_COMPRESS_RAMSTAGE_LZ4 is not set
+CONFIG_SEPARATE_ROMSTAGE=y
+CONFIG_INCLUDE_CONFIG_FILE=y
+CONFIG_COLLECT_TIMESTAMPS=y
+# CONFIG_TIMESTAMPS_ON_CONSOLE is not set
+CONFIG_USE_BLOBS=y
+# CONFIG_USE_AMD_BLOBS is not set
+# CONFIG_USE_QC_BLOBS is not set
+# CONFIG_COVERAGE is not set
+# CONFIG_UBSAN is not set
+CONFIG_HAVE_ASAN_IN_RAMSTAGE=y
+# CONFIG_ASAN is not set
+CONFIG_NO_STAGE_CACHE=y
+# CONFIG_TSEG_STAGE_CACHE is not set
+# CONFIG_UPDATE_IMAGE is not set
+# CONFIG_BOOTSPLASH_IMAGE is not set
+# CONFIG_FW_CONFIG is not set
+
+#
+# Software Bill Of Materials (SBOM)
+#
+# CONFIG_SBOM is not set
+# end of Software Bill Of Materials (SBOM)
+# end of General setup
+
+#
+# Mainboard
+#
+
+#
+# Important: Run 'make distclean' before switching boards
+#
+# CONFIG_VENDOR_51NB is not set
+# CONFIG_VENDOR_ACER is not set
+# CONFIG_VENDOR_ADLINK is not set
+# CONFIG_VENDOR_AMD is not set
+# CONFIG_VENDOR_AOPEN is not set
+# CONFIG_VENDOR_APPLE is not set
+# CONFIG_VENDOR_ASROCK is not set
+# CONFIG_VENDOR_ASUS is not set
+# CONFIG_VENDOR_BIOSTAR is not set
+# CONFIG_VENDOR_BOSTENTECH is not set
+# CONFIG_VENDOR_BYTEDANCE is not set
+# CONFIG_VENDOR_CAVIUM is not set
+# CONFIG_VENDOR_CLEVO is not set
+# CONFIG_VENDOR_COMPULAB is not set
+CONFIG_VENDOR_DELL=y
+# CONFIG_VENDOR_EMULATION is not set
+# CONFIG_VENDOR_EXAMPLE is not set
+# CONFIG_VENDOR_FACEBOOK is not set
+# CONFIG_VENDOR_FOXCONN is not set
+# CONFIG_VENDOR_GETAC is not set
+# CONFIG_VENDOR_GIGABYTE is not set
+# CONFIG_VENDOR_GOOGLE is not set
+# CONFIG_VENDOR_HP is not set
+# CONFIG_VENDOR_IBASE is not set
+# CONFIG_VENDOR_IBM is not set
+# CONFIG_VENDOR_INTEL is not set
+# CONFIG_VENDOR_INVENTEC is not set
+# CONFIG_VENDOR_KONTRON is not set
+# CONFIG_VENDOR_LENOVO is not set
+# CONFIG_VENDOR_LIBRETREND is not set
+# CONFIG_VENDOR_MSI is not set
+# CONFIG_VENDOR_OCP is not set
+# CONFIG_VENDOR_OPENCELLULAR is not set
+# CONFIG_VENDOR_PACKARDBELL is not set
+# CONFIG_VENDOR_PCENGINES is not set
+# CONFIG_VENDOR_PINE64 is not set
+# CONFIG_VENDOR_PORTWELL is not set
+# CONFIG_VENDOR_PRODRIVE is not set
+# CONFIG_VENDOR_PROTECTLI is not set
+# CONFIG_VENDOR_PURISM is not set
+# CONFIG_VENDOR_RAZER is not set
+# CONFIG_VENDOR_RODA is not set
+# CONFIG_VENDOR_SAMSUNG is not set
+# CONFIG_VENDOR_SAPPHIRE is not set
+# CONFIG_VENDOR_SIEMENS is not set
+# CONFIG_VENDOR_SIFIVE is not set
+# CONFIG_VENDOR_STARLABS is not set
+# CONFIG_VENDOR_SUPERMICRO is not set
+# CONFIG_VENDOR_SYSTEM76 is not set
+# CONFIG_VENDOR_TI is not set
+# CONFIG_VENDOR_UP is not set
+CONFIG_BOARD_SPECIFIC_OPTIONS=y
+CONFIG_MAINBOARD_PART_NUMBER="Latitude E5520"
+CONFIG_MAINBOARD_VERSION="1.0"
+CONFIG_MAINBOARD_DIR="dell/e5520"
+CONFIG_VGA_BIOS_ID="8086,0126"
+CONFIG_DIMM_MAX=4
+CONFIG_DIMM_SPD_SIZE=256
+CONFIG_FMDFILE=""
+# CONFIG_NO_POST is not set
+CONFIG_MAINBOARD_VENDOR="Dell Inc."
+CONFIG_CBFS_SIZE=0x5ea000
+CONFIG_MAX_CPUS=8
+# CONFIG_ONBOARD_VGA_IS_PRIMARY is not set
+CONFIG_POST_DEVICE=y
+CONFIG_POST_IO=y
+CONFIG_DEVICETREE="devicetree.cb"
+# CONFIG_VBOOT is not set
+CONFIG_OVERRIDE_DEVICETREE=""
+# CONFIG_VGA_BIOS is not set
+CONFIG_MAINBOARD_SMBIOS_MANUFACTURER="Dell Inc."
+CONFIG_DRAM_RESET_GATE_GPIO=60
+CONFIG_INTEL_GMA_VBT_FILE="src/mainboard/$(MAINBOARDDIR)/data.vbt"
+CONFIG_PRERAM_CBMEM_CONSOLE_SIZE=0xc00
+CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
+CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
+CONFIG_USBDEBUG_HCD_INDEX=2
+CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
+# CONFIG_CONSOLE_POST is not set
+CONFIG_BOARD_DELL_LATITUDE_E5520=y
+# CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
+# CONFIG_BOARD_DELL_E6400 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6430 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6520 is not set
+# CONFIG_BOARD_DELL_LATITUDE_E6530 is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9020_SFF is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9020_MT is not set
+# CONFIG_BOARD_DELL_OPTIPLEX_9010 is not set
+# CONFIG_BOARD_DELL_PRECISION_T1650 is not set
+CONFIG_PS2K_EISAID="PNP0303"
+CONFIG_PS2M_EISAID="PNP0F13"
+CONFIG_ECAM_MMCONF_BASE_ADDRESS=0xf0000000
+CONFIG_ECAM_MMCONF_BUS_NUMBER=64
+CONFIG_MEMLAYOUT_LD_FILE="src/arch/x86/memlayout.ld"
+CONFIG_DCACHE_RAM_BASE=0xfefe0000
+CONFIG_DCACHE_RAM_SIZE=0x20000
+CONFIG_C_ENV_BOOTBLOCK_SIZE=0x40000
+CONFIG_DCACHE_BSP_STACK_SIZE=0x10000
+CONFIG_MAX_ACPI_TABLE_SIZE_KB=144
+CONFIG_HAVE_INTEL_FIRMWARE=y
+CONFIG_MRC_SETTINGS_CACHE_SIZE=0x10000
+CONFIG_SPI_FLASH_INCLUDE_ALL_DRIVERS=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_DRIVERS_INTEL_WIFI=y
+CONFIG_IFD_BIN_PATH="../../../config/ifd/dell_sandybridge/6_ifd_nogbe"
+CONFIG_ME_BIN_PATH="../../../vendorfiles/dell_sandybridge/me.bin"
+CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x20000
+CONFIG_CARDBUS_PLUGIN_SUPPORT=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_SPI_FLASH_STMICRO=y
+# CONFIG_DEBUG_SMI is not set
+CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME="Latitude E5520"
+CONFIG_HAVE_IFD_BIN=y
+CONFIG_PCIEXP_HOTPLUG_BUSES=8
+CONFIG_PCIEXP_HOTPLUG_MEM=0x800000
+CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM=0x10000000
+CONFIG_GFX_GMA_PANEL_1_PORT="LVDS"
+CONFIG_D3COLD_SUPPORT=y
+CONFIG_PCIEXP_ASPM=y
+# CONFIG_PCIEXP_L1_SUB_STATE is not set
+# CONFIG_PCIEXP_CLK_PM is not set
+# CONFIG_DRIVERS_UART_8250IO is not set
+CONFIG_PC_CMOS_BASE_PORT_BANK1=0x72
+CONFIG_EC_GPE_SCI=0x50
+CONFIG_BOARD_ROMSIZE_KB_6144=y
+# CONFIG_COREBOOT_ROMSIZE_KB_256 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_512 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_1024 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_2048 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_4096 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_5120 is not set
+CONFIG_COREBOOT_ROMSIZE_KB_6144=y
+# CONFIG_COREBOOT_ROMSIZE_KB_8192 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_10240 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_12288 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_16384 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_24576 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_32768 is not set
+# CONFIG_COREBOOT_ROMSIZE_KB_65536 is not set
+CONFIG_COREBOOT_ROMSIZE_KB=6144
+CONFIG_ROM_SIZE=0x00600000
+CONFIG_HAVE_POWER_STATE_AFTER_FAILURE=y
+CONFIG_HAVE_POWER_STATE_PREVIOUS_AFTER_FAILURE=y
+CONFIG_POWER_STATE_OFF_AFTER_FAILURE=y
+# CONFIG_POWER_STATE_ON_AFTER_FAILURE is not set
+# CONFIG_POWER_STATE_PREVIOUS_AFTER_FAILURE is not set
+CONFIG_MAINBOARD_POWER_FAILURE_STATE=0
+# end of Mainboard
+
+CONFIG_SYSTEM_TYPE_LAPTOP=y
+
+#
+# Chipset
+#
+
+#
+# SoC
+#
+CONFIG_CHIPSET_DEVICETREE="northbridge/intel/sandybridge/chipset.cb"
+CONFIG_CBFS_MCACHE_SIZE=0x4000
+CONFIG_ROMSTAGE_ADDR=0x2000000
+CONFIG_VERSTAGE_ADDR=0x2000000
+CONFIG_SMM_TSEG_SIZE=0x800000
+CONFIG_SMM_RESERVED_SIZE=0x100000
+CONFIG_SMM_MODULE_STACK_SIZE=0x400
+# CONFIG_USE_EXP_X86_64_SUPPORT is not set
+CONFIG_SERIRQ_CONTINUOUS_MODE=y
+CONFIG_PRERAM_CBFS_CACHE_SIZE=0x0
+CONFIG_EHCI_BAR=0xfef00000
+CONFIG_ACPI_CPU_STRING="CP%02X"
+CONFIG_STACK_SIZE=0x2000
+CONFIG_IED_REGION_SIZE=0x400000
+CONFIG_INTEL_GMA_BCLV_OFFSET=0x48254
+CONFIG_INTEL_GMA_BCLV_WIDTH=16
+CONFIG_INTEL_GMA_BCLM_OFFSET=0xc8256
+CONFIG_INTEL_GMA_BCLM_WIDTH=16
+CONFIG_BOOTBLOCK_IN_CBFS=y
+CONFIG_DOMAIN_RESOURCE_32BIT_LIMIT=0xfe000000
+CONFIG_DCACHE_RAM_MRC_VAR_SIZE=0x0
+CONFIG_HPET_MIN_TICKS=0x80
+CONFIG_FIXED_MCHBAR_MMIO_BASE=0xfed10000
+CONFIG_FIXED_DMIBAR_MMIO_BASE=0xfed18000
+CONFIG_FIXED_EPBAR_MMIO_BASE=0xfed19000
+CONFIG_PCIEXP_COMMON_CLOCK=y
+CONFIG_SOC_PHYSICAL_ADDRESS_WIDTH=0
+CONFIG_FIXED_SMBUS_IO_BASE=0x400
+CONFIG_CBFS_CACHE_ALIGN=8
+
+#
+# CPU
+#
+CONFIG_CPU_INTEL_MODEL_206AX=y
+CONFIG_CPU_INTEL_COMMON=y
+CONFIG_ENABLE_VMX=y
+CONFIG_SET_IA32_FC_LOCK_BIT=y
+CONFIG_SET_MSR_AESNI_LOCK_BIT=y
+CONFIG_CPU_INTEL_COMMON_TIMEBASE=y
+CONFIG_CPU_INTEL_COMMON_SMM=y
+CONFIG_MICROCODE_UPDATE_PRE_RAM=y
+CONFIG_PARALLEL_MP=y
+CONFIG_XAPIC_ONLY=y
+# CONFIG_X2APIC_ONLY is not set
+# CONFIG_X2APIC_RUNTIME is not set
+# CONFIG_X2APIC_LATE_WORKAROUND is not set
+CONFIG_UDELAY_TSC=y
+CONFIG_TSC_MONOTONIC_TIMER=y
+CONFIG_TSC_SYNC_MFENCE=y
+CONFIG_HAVE_SMI_HANDLER=y
+CONFIG_SMM_TSEG=y
+CONFIG_SMM_PCI_RESOURCE_STORE_NUM_SLOTS=8
+CONFIG_AP_STACK_SIZE=0x800
+CONFIG_SMP=y
+CONFIG_SSE=y
+CONFIG_SSE2=y
+CONFIG_SUPPORT_CPU_UCODE_IN_CBFS=y
+CONFIG_USE_CPU_MICROCODE_CBFS_BINS=y
+CONFIG_CPU_MICROCODE_CBFS_DEFAULT_BINS=y
+# CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS is not set
+# CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER is not set
+# CONFIG_CPU_MICROCODE_CBFS_NONE is not set
+
+#
+# Northbridge
+#
+CONFIG_USE_NATIVE_RAMINIT=y
+CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE=y
+# CONFIG_NATIVE_RAMINIT_IGNORE_MAX_MEM_FUSES is not set
+# CONFIG_NATIVE_RAMINIT_IGNORE_XMP_MAX_DIMMS is not set
+# CONFIG_NATIVE_RAMINIT_IGNORE_XMP_REQUESTED_VOLTAGE is not set
+# CONFIG_RAMINIT_ALWAYS_ALLOW_DLL_OFF is not set
+CONFIG_RAMINIT_ENABLE_ECC=y
+
+#
+# Southbridge
+#
+CONFIG_SOUTHBRIDGE_INTEL_BD82X6X_COMMON=y
+CONFIG_SOUTHBRIDGE_INTEL_BD82X6X=y
+# CONFIG_HIDE_MEI_ON_ERROR is not set
+CONFIG_PCIEXP_HOTPLUG=y
+CONFIG_INTEL_DESCRIPTOR_MODE_REQUIRED=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RESET=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RTC=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMCLIB=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMBASE=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_GPIO=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_ME=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMBUS=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH9=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_PIRQ_ACPI_GEN=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_RCBA_PIRQ=y
+CONFIG_HAVE_INTEL_CHIPSET_LOCKDOWN=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMM=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_FINALIZE=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_USB_DEBUG=y
+CONFIG_INTEL_DESCRIPTOR_MODE_CAPABLE=y
+# CONFIG_VALIDATE_INTEL_DESCRIPTOR is not set
+CONFIG_INTEL_CHIPSET_LOCKDOWN=y
+CONFIG_TCO_SPACE_NOT_YET_SPLIT=y
+CONFIG_SOUTHBRIDGE_INTEL_COMMON_WATCHDOG=y
+CONFIG_FIXED_RCBA_MMIO_BASE=0xfed1c000
+CONFIG_RCBA_LENGTH=0x4000
+
+#
+# Super I/O
+#
+
+#
+# Embedded Controllers
+#
+CONFIG_EC_ACPI=y
+CONFIG_EC_DELL_MEC5035=y
+
+#
+# Intel Firmware
+#
+CONFIG_HAVE_ME_BIN=y
+# CONFIG_STITCH_ME_BIN is not set
+# CONFIG_CHECK_ME is not set
+# CONFIG_ME_REGION_ALLOW_CPU_READ_ACCESS is not set
+# CONFIG_USE_ME_CLEANER is not set
+# CONFIG_DO_NOT_TOUCH_DESCRIPTOR_REGION is not set
+# CONFIG_LOCK_MANAGEMENT_ENGINE is not set
+CONFIG_UNLOCK_FLASH_REGIONS=y
+CONFIG_ARCH_X86=y
+CONFIG_ARCH_BOOTBLOCK_X86_32=y
+CONFIG_ARCH_VERSTAGE_X86_32=y
+CONFIG_ARCH_ROMSTAGE_X86_32=y
+CONFIG_ARCH_POSTCAR_X86_32=y
+CONFIG_ARCH_RAMSTAGE_X86_32=y
+CONFIG_ARCH_ALL_STAGES_X86_32=y
+CONFIG_HAVE_EXP_X86_64_SUPPORT=y
+CONFIG_RESERVED_PHYSICAL_ADDRESS_BITS_SUPPORT=y
+CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
+CONFIG_POSTRAM_CBFS_CACHE_IN_BSS=y
+CONFIG_RAMSTAGE_CBFS_CACHE_SIZE=0x4000
+CONFIG_PC80_SYSTEM=y
+CONFIG_HAVE_CMOS_DEFAULT=y
+CONFIG_POSTCAR_STAGE=y
+CONFIG_BOOTBLOCK_SIMPLE=y
+# CONFIG_BOOTBLOCK_NORMAL is not set
+CONFIG_COLLECT_TIMESTAMPS_TSC=y
+CONFIG_HAVE_CF9_RESET=y
+CONFIG_DEBUG_HW_BREAKPOINTS=y
+CONFIG_DEBUG_NULL_DEREF_BREAKPOINTS=y
+# CONFIG_DUMP_SMBIOS_TYPE17 is not set
+# end of Chipset
+
+#
+# Devices
+#
+CONFIG_HAVE_VGA_TEXT_FRAMEBUFFER=y
+CONFIG_HAVE_LINEAR_FRAMEBUFFER=y
+CONFIG_MAINBOARD_HAS_LIBGFXINIT=y
+CONFIG_MAINBOARD_USE_LIBGFXINIT=y
+# CONFIG_VGA_ROM_RUN is not set
+# CONFIG_NO_GFX_INIT is not set
+CONFIG_NO_EARLY_GFX_INIT=y
+
+#
+# Display
+#
+CONFIG_VGA_TEXT_FRAMEBUFFER=y
+# CONFIG_GENERIC_LINEAR_FRAMEBUFFER is not set
+# end of Display
+
+CONFIG_PCI=y
+CONFIG_ECAM_MMCONF_SUPPORT=y
+CONFIG_PCIX_PLUGIN_SUPPORT=y
+CONFIG_AZALIA_HDA_CODEC_SUPPORT=y
+CONFIG_PCIEXP_PLUGIN_SUPPORT=y
+CONFIG_ECAM_MMCONF_LENGTH=0x04000000
+CONFIG_PCI_ALLOW_BUS_MASTER=y
+CONFIG_PCI_SET_BUS_MASTER_PCI_BRIDGES=y
+CONFIG_PCI_ALLOW_BUS_MASTER_ANY_DEVICE=y
+# CONFIG_PCIEXP_SUPPORT_RESIZABLE_BARS is not set
+# CONFIG_PCIEXP_LANE_ERR_STAT_CLEAR is not set
+CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM_ABOVE_4G=y
+# CONFIG_PCIEXP_HOTPLUG_PREFETCH_MEM_BELOW_4G is not set
+CONFIG_PCIEXP_HOTPLUG_IO=0x800
+# CONFIG_EARLY_PCI_BRIDGE is not set
+CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
+CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
+CONFIG_INTEL_GMA_HAVE_VBT=y
+CONFIG_INTEL_GMA_ADD_VBT=y
+# CONFIG_SOFTWARE_I2C is not set
+CONFIG_I2C_TRANSFER_TIMEOUT_US=500000
+CONFIG_RESOURCE_ALLOCATION_TOP_DOWN=y
+CONFIG_USE_DDR3=y
+# end of Devices
+
+#
+# Generic Drivers
+#
+CONFIG_CRB_TPM_BASE_ADDRESS=0xfed40000
+# CONFIG_ELOG is not set
+CONFIG_CACHE_MRC_SETTINGS=y
+# CONFIG_MRC_SETTINGS_PROTECT is not set
+# CONFIG_SMMSTORE is not set
+CONFIG_SPI_FLASH=y
+CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP=y
+CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY=y
+# CONFIG_SPI_FLASH_NO_FAST_READ is not set
+CONFIG_SPI_FLASH_ADESTO=y
+CONFIG_SPI_FLASH_AMIC=y
+CONFIG_SPI_FLASH_ATMEL=y
+CONFIG_SPI_FLASH_EON=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SPI_FLASH_SPANSION=y
+CONFIG_SPI_FLASH_SST=y
+CONFIG_SPI_FLASH_ISSI=y
+# CONFIG_DRIVERS_UART_OXPCIE is not set
+CONFIG_HAVE_USBDEBUG=y
+CONFIG_HAVE_USBDEBUG_OPTIONS=y
+# CONFIG_USBDEBUG is not set
+# CONFIG_VPD is not set
+# CONFIG_DRIVERS_GENERIC_CBFS_SERIAL is not set
+# CONFIG_DRIVERS_GENERIC_CBFS_UUID is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9750 is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9755 is not set
+# CONFIG_DRIVERS_GENESYSLOGIC_GL9763E is not set
+# CONFIG_DRIVERS_I2C_MAX98396 is not set
+CONFIG_INTEL_INT15=y
+CONFIG_INTEL_GMA_ACPI=y
+CONFIG_VBT_CBFS_COMPRESSION_LZMA=y
+# CONFIG_VBT_CBFS_COMPRESSION_LZ4 is not set
+# CONFIG_VBT_CBFS_COMPRESSION_NONE is not set
+CONFIG_VBT_CBFS_COMPRESSION_ALGORITHM="lzma"
+CONFIG_GFX_GMA=y
+CONFIG_GFX_GMA_PANEL_1_ON_LVDS=y
+CONFIG_GFX_GMA_DYN_CPU=y
+CONFIG_GFX_GMA_GENERATION="Ironlake"
+CONFIG_GFX_GMA_PCH="Cougar_Point"
+CONFIG_GFX_GMA_PANEL_2_PORT="Disabled"
+CONFIG_GFX_GMA_ANALOG_I2C_PORT="PCH_DAC"
+# CONFIG_DRIVERS_NXP_UWB_SR1XX is not set
+# CONFIG_DRIVERS_PS2_KEYBOARD is not set
+CONFIG_DRIVERS_MC146818=y
+# CONFIG_USE_PC_CMOS_ALTCENTURY is not set
+CONFIG_PC_CMOS_BASE_PORT_BANK0=0x70
+CONFIG_VGA=y
+# CONFIG_DRIVERS_SIL_3114 is not set
+CONFIG_DRIVERS_WIFI_GENERIC=y
+# end of Generic Drivers
+
+#
+# Security
+#
+
+#
+# CBFS verification
+#
+# CONFIG_CBFS_VERIFICATION is not set
+# end of CBFS verification
+
+#
+# Verified Boot (vboot)
+#
+# end of Verified Boot (vboot)
+
+#
+# Trusted Platform Module
+#
+CONFIG_NO_TPM=y
+CONFIG_PCR_BOOT_MODE=1
+CONFIG_PCR_HWID=1
+CONFIG_PCR_SRTM=2
+CONFIG_PCR_FW_VER=10
+CONFIG_PCR_RUNTIME_DATA=3
+# end of Trusted Platform Module
+
+#
+# Memory initialization
+#
+CONFIG_PLATFORM_HAS_DRAM_CLEAR=y
+CONFIG_SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT=y
+# end of Memory initialization
+
+# CONFIG_STM is not set
+CONFIG_BOOTMEDIA_LOCK_NONE=y
+# CONFIG_BOOTMEDIA_LOCK_CONTROLLER is not set
+# CONFIG_BOOTMEDIA_LOCK_CHIP is not set
+# CONFIG_BOOTMEDIA_SMM_BWP is not set
+# end of Security
+
+CONFIG_ACPI_HAVE_PCAT_8259=y
+CONFIG_ACPI_INTEL_HARDWARE_SLEEP_VALUES=y
+CONFIG_ACPI_SOC_NVS=y
+CONFIG_ACPI_NO_CUSTOM_MADT=y
+CONFIG_ACPI_COMMON_MADT_LAPIC=y
+CONFIG_ACPI_COMMON_MADT_IOAPIC=y
+CONFIG_HAVE_ACPI_TABLES=y
+CONFIG_BOOT_DEVICE_SPI_FLASH=y
+CONFIG_BOOT_DEVICE_MEMORY_MAPPED=y
+CONFIG_BOOT_DEVICE_SUPPORTS_WRITES=y
+CONFIG_RTC=y
+CONFIG_HEAP_SIZE=0x100000
+
+#
+# Console
+#
+CONFIG_BOOTBLOCK_CONSOLE=y
+CONFIG_POSTCAR_CONSOLE=y
+CONFIG_SQUELCH_EARLY_SMP=y
+# CONFIG_SPKMODEM is not set
+# CONFIG_CONSOLE_NE2K is not set
+CONFIG_CONSOLE_CBMEM=y
+# CONFIG_CONSOLE_CBMEM_DUMP_TO_UART is not set
+# CONFIG_CONSOLE_SPI_FLASH is not set
+# CONFIG_CONSOLE_I2C_SMBUS is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_8 is not set
+CONFIG_DEFAULT_CONSOLE_LOGLEVEL_7=y
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_6 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_5 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_4 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_3 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_2 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_1 is not set
+# CONFIG_DEFAULT_CONSOLE_LOGLEVEL_0 is not set
+CONFIG_DEFAULT_CONSOLE_LOGLEVEL=7
+CONFIG_CONSOLE_USE_LOGLEVEL_PREFIX=y
+CONFIG_CONSOLE_USE_ANSI_ESCAPES=y
+# CONFIG_CMOS_POST is not set
+CONFIG_POST_DEVICE_NONE=y
+# CONFIG_POST_DEVICE_LPC is not set
+# CONFIG_POST_DEVICE_PCI_PCIE is not set
+CONFIG_POST_IO_PORT=0x80
+CONFIG_HWBASE_DEBUG_CB=y
+# end of Console
+
+CONFIG_HAVE_ACPI_RESUME=y
+CONFIG_RESUME_PATH_SAME_AS_BOOT=y
+CONFIG_HAVE_MONOTONIC_TIMER=y
+CONFIG_HAVE_OPTION_TABLE=y
+CONFIG_IOAPIC=y
+CONFIG_USE_WATCHDOG_ON_BOOT=y
+
+#
+# System tables
+#
+CONFIG_GENERATE_SMBIOS_TABLES=y
+CONFIG_BIOS_VENDOR="coreboot"
+CONFIG_MAINBOARD_SERIAL_NUMBER="123456789"
+# end of System tables
+
+#
+# Payload
+#
+CONFIG_PAYLOAD_NONE=y
+# end of Payload
+
+#
+# Debugging
+#
+
+#
+# CPU Debug Settings
+#
+# CONFIG_DISPLAY_MTRRS is not set
+
+#
+# Vendorcode Debug Settings
+#
+
+#
+# BLOB Debug Settings
+#
+
+#
+# General Debug Settings
+#
+# CONFIG_FATAL_ASSERTS is not set
+# CONFIG_DEBUG_CBFS is not set
+CONFIG_HAVE_DEBUG_RAM_SETUP=y
+# CONFIG_DEBUG_RAM_SETUP is not set
+CONFIG_HAVE_DEBUG_SMBUS=y
+# CONFIG_DEBUG_SMBUS is not set
+# CONFIG_DEBUG_MALLOC is not set
+# CONFIG_DEBUG_CONSOLE_INIT is not set
+# CONFIG_DEBUG_SPI_FLASH is not set
+# CONFIG_DEBUG_BOOT_STATE is not set
+# CONFIG_DEBUG_ADA_CODE is not set
+CONFIG_HAVE_EM100_SUPPORT=y
+# CONFIG_EM100 is not set
+# CONFIG_DEBUG_ACPICA_COMPATIBLE is not set
+# end of Debugging
+
+CONFIG_RAMSTAGE_ADA=y
+CONFIG_RAMSTAGE_LIBHWBASE=y
+CONFIG_HWBASE_DYNAMIC_MMIO=y
+CONFIG_HWBASE_DEFAULT_MMCONF=0xf0000000
+CONFIG_HWBASE_DIRECT_PCIDEV=y
+CONFIG_DECOMPRESS_OFAST=y
+CONFIG_WARNINGS_ARE_ERRORS=y
+CONFIG_MAX_REBOOT_CNT=3
+CONFIG_RELOCATABLE_MODULES=y
+CONFIG_HAVE_BOOTBLOCK=y
+CONFIG_HAVE_ROMSTAGE=y
+CONFIG_HAVE_RAMSTAGE=y
diff --git a/config/coreboot/e5520_6mb/target.cfg b/config/coreboot/e5520_6mb/target.cfg
new file mode 100644
index 00000000..1cf0792e
--- /dev/null
+++ b/config/coreboot/e5520_6mb/target.cfg
@@ -0,0 +1,11 @@
+tree="default"
+romtype="normal"
+arch="x86_64"
+payload_grub="n"
+payload_grub_withseabios="n"
+payload_seabios="y"
+payload_memtest="y"
+payload_seabios_withgrub="y"
+payload_seabios_grubonly="y"
+grub_scan_disk="ahci"
+microcode_required="n"
diff --git a/config/coreboot/e5530_12mb/config/libgfxinit_corebootfb b/config/coreboot/e5530_12mb/config/libgfxinit_corebootfb
index 2020f782..a93401db 100644
--- a/config/coreboot/e5530_12mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/e5530_12mb/config/libgfxinit_corebootfb
@@ -134,6 +134,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 CONFIG_BOARD_DELL_LATITUDE_E5530=y
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e5530_12mb/config/libgfxinit_txtmode b/config/coreboot/e5530_12mb/config/libgfxinit_txtmode
index fa6e674f..e42a9972 100644
--- a/config/coreboot/e5530_12mb/config/libgfxinit_txtmode
+++ b/config/coreboot/e5530_12mb/config/libgfxinit_txtmode
@@ -132,6 +132,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 CONFIG_BOARD_DELL_LATITUDE_E5530=y
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6420_10mb/config/libgfxinit_corebootfb b/config/coreboot/e6420_10mb/config/libgfxinit_corebootfb
index 32f725ee..d3cc4360 100644
--- a/config/coreboot/e6420_10mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/e6420_10mb/config/libgfxinit_corebootfb
@@ -134,6 +134,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 CONFIG_BOARD_DELL_LATITUDE_E6420=y
diff --git a/config/coreboot/e6420_10mb/config/libgfxinit_txtmode b/config/coreboot/e6420_10mb/config/libgfxinit_txtmode
index ea1dbf5b..5766398d 100644
--- a/config/coreboot/e6420_10mb/config/libgfxinit_txtmode
+++ b/config/coreboot/e6420_10mb/config/libgfxinit_txtmode
@@ -132,6 +132,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 CONFIG_BOARD_DELL_LATITUDE_E6420=y
diff --git a/config/coreboot/e6430_12mb/config/libgfxinit_corebootfb b/config/coreboot/e6430_12mb/config/libgfxinit_corebootfb
index b44ba752..b7a11ae9 100644
--- a/config/coreboot/e6430_12mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/e6430_12mb/config/libgfxinit_corebootfb
@@ -134,6 +134,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6430_12mb/config/libgfxinit_txtmode b/config/coreboot/e6430_12mb/config/libgfxinit_txtmode
index d43a36ea..694f1eab 100644
--- a/config/coreboot/e6430_12mb/config/libgfxinit_txtmode
+++ b/config/coreboot/e6430_12mb/config/libgfxinit_txtmode
@@ -132,6 +132,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6520_10mb/config/libgfxinit_corebootfb b/config/coreboot/e6520_10mb/config/libgfxinit_corebootfb
index 80feff08..28214b76 100644
--- a/config/coreboot/e6520_10mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/e6520_10mb/config/libgfxinit_corebootfb
@@ -134,6 +134,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6520_10mb/config/libgfxinit_txtmode b/config/coreboot/e6520_10mb/config/libgfxinit_txtmode
index bcced3ee..31c9df68 100644
--- a/config/coreboot/e6520_10mb/config/libgfxinit_txtmode
+++ b/config/coreboot/e6520_10mb/config/libgfxinit_txtmode
@@ -132,6 +132,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6530_12mb/config/libgfxinit_corebootfb b/config/coreboot/e6530_12mb/config/libgfxinit_corebootfb
index b3bda195..6344db92 100644
--- a/config/coreboot/e6530_12mb/config/libgfxinit_corebootfb
+++ b/config/coreboot/e6530_12mb/config/libgfxinit_corebootfb
@@ -134,6 +134,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/e6530_12mb/config/libgfxinit_txtmode b/config/coreboot/e6530_12mb/config/libgfxinit_txtmode
index 294afc15..59f22da1 100644
--- a/config/coreboot/e6530_12mb/config/libgfxinit_txtmode
+++ b/config/coreboot/e6530_12mb/config/libgfxinit_txtmode
@@ -132,6 +132,7 @@ CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/coreboot/t1650_12mb/config/libgfxinit_txtmode b/config/coreboot/t1650_12mb/config/libgfxinit_txtmode
index 205a12a5..b88ef084 100644
--- a/config/coreboot/t1650_12mb/config/libgfxinit_txtmode
+++ b/config/coreboot/t1650_12mb/config/libgfxinit_txtmode
@@ -135,6 +135,7 @@ CONFIG_USBDEBUG_HCD_INDEX=2
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 # CONFIG_CONSOLE_POST is not set
 CONFIG_TPM_PIRQ=0x0
+# CONFIG_BOARD_DELL_LATITUDE_E5520 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E5530 is not set
 # CONFIG_BOARD_DELL_E6400 is not set
 # CONFIG_BOARD_DELL_LATITUDE_E6420 is not set
diff --git a/config/ifd/dell_sandybridge/6_ifd_nogbe b/config/ifd/dell_sandybridge/6_ifd_nogbe
new file mode 100644
index 00000000..c0cff8ba
--- /dev/null
+++ b/config/ifd/dell_sandybridge/6_ifd_nogbe
diff --git a/config/vendor/sources b/config/vendor/sources
index f4ec2842..ffdd2810 100644
--- a/config/vendor/sources
+++ b/config/vendor/sources
@@ -143,7 +143,7 @@
 	E6400_VGA_romname mod_21.bin
 }
 
-{e6420 e6520}{
+{e5520 e6420 e6520}{
 	DL_hash 81c9917938c4a2a4f128c976250451931efd0f25b51ff34f058ddacb8eec27272691371864a683ec7abcb924fea32592d061584c7b2571a5d3e84eb870281cc3
 	DL_url https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/83rf46ww.exe
 	DL_url_bkup https://web.archive.org/web/20220202201637/https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/83rf46ww.exe