Files
system76-coreboot/src/mainboard/lenovo/t520/cmos.layout
Patrick Rudolph 62bc1cb88b mb/lenovo/*: Add support for VBOOT on 8MiB devices
Enable VBOOT support on all devices that have a 8 MiB flash, using a
single RW_MAIN_A partition, allowing the use of tianocore payload in
both RW_MAIN_A and WP_RO.

* Add VBNV section to cmos.layout
* Add FMAP for VBOOT and regular boot
* Select Kconfigs for VBOOT
* Enable VBOOT_SLOTS_RW_A by default

Also build test VBOOT on Lenovo T420.

Tested on Lenovo T520 using Icb7b263ed86551cc53e1db7babccaca6b3ae2fe6.

Change-Id: Icb7b263ed86551cc53e1db7babccaca6b3ae2fe6
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32585
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2019-05-08 10:31:23 +00:00

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##
## This file is part of the coreboot project.
##
## Copyright (C) 2007-2008 coresystems GmbH
## Copyright (C) 2014 Vladimir Serbinenko
## Copyright (C) 2018 Nico Rikken
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
# -----------------------------------------------------------------
entries
# -----------------------------------------------------------------
# Status Register A
# -----------------------------------------------------------------
# Status Register B
# -----------------------------------------------------------------
# Status Register C
#96 4 r 0 status_c_rsvd
#100 1 r 0 uf_flag
#101 1 r 0 af_flag
#102 1 r 0 pf_flag
#103 1 r 0 irqf_flag
# -----------------------------------------------------------------
# Status Register D
#104 7 r 0 status_d_rsvd
#111 1 r 0 valid_cmos_ram
# -----------------------------------------------------------------
# Diagnostic Status Register
#112 8 r 0 diag_rsvd1
# -----------------------------------------------------------------
0 120 r 0 reserved_memory
#120 264 r 0 unused
# -----------------------------------------------------------------
# RTC_BOOT_BYTE (coreboot hardcoded)
384 1 e 4 boot_option
388 4 h 0 reboot_counter
#390 2 r 0 unused?
# -----------------------------------------------------------------
# coreboot config options: console
#392 3 r 0 unused
395 4 e 6 debug_level
#399 1 r 0 unused
#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
# coreboot config options: EC
411 1 e 8 first_battery
412 1 e 1 bluetooth
413 1 e 1 wwan
414 1 e 1 touchpad
415 1 e 1 wlan
416 1 e 1 trackpoint
417 1 e 1 fn_ctrl_swap
418 1 e 1 sticky_fn
419 2 e 13 usb_always_on
421 1 e 9 sata_mode
422 2 e 10 backlight
# coreboot config options: cpu
#424 8 r 0 unused
# coreboot config options: northbridge
432 3 e 11 gfx_uma_size
435 2 e 12 hybrid_graphics_mode
#437 3 r 0 unused
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
8 0 Secondary
8 1 Primary
9 0 AHCI
9 1 Compatible
10 0 Both
10 1 Keyboard only
10 2 Thinklight only
10 3 None
11 0 32M
11 1 64M
11 2 96M
11 3 128M
11 4 160M
11 5 192M
11 6 224M
12 0 Integrated Only
12 1 Discrete Only
12 2 Dual Graphics
13 0 Disable
13 1 AC and battery
13 2 AC only
# -----------------------------------------------------------------
checksums
checksum 392 447 984