Generate SHA256/SHA384 hash of the signed firmware so that PSP verstage
can pass it to PSP. The PSP will use these hashes to verify the
integrity of those signed firmwares.
BUG=b:203597980
TEST=Build Skyrim BIOS image.
Change-Id: I50d278536ba1eac754eb8a39c4c2e428a2371c44
Signed-off-by: Kangheui Won <khwon@chromium.org>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60290
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Add support for separating signed firmwares into another CBFS. If
sig_opt flag in AMD/PSPFW file header is 1, it means that the firmware
is signed against AMD chain of trust and will be verified by PSP. If
those firmware binaries are put outside FW_MAIN_[AB], vboot can skip
redundant verification, improving overall verification time.
BUG=b:206909680
TEST=Build amdfwtool. Build Skyrim BIOS image and boot to OS.
Change-Id: I9f3610a7002b2a9c70946b083b0b3be6934200b0
Signed-off-by: Kangheui Won <khwon@chromium.org>
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59866
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Add parameters to support adding the location and size of
the PSP NVRAM area to the PSP directory table.
Verified this change on PCO based Bilby platform.
Change-Id: I1664893db6f6dcdc588aeaf9448c2d81390af5fa
Signed-off-by: Ritul Guru <ritul.bits@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67137
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
changes to reserve space for AMD_BIOS_SIG when
BIOS image is signed with RTMSignature.
Change-Id: Ia832fe83a3e29279c029fefc934c3ef4d335e2ea
Signed-off-by: Ritul Guru <ritul.bits@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66259
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Consolidate MAX_BIOS_ENTRIES and MAX_PSP_ENTRIES definitions into one
file
Signed-off-by: Altamshali Hirani <al.hirani@amd.corp-partner.google.com>
Change-Id: Ie3c64a1875010e7fb368967283df6baf1cc7ba8d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62911
Reviewed-by: ritul guru <ritul.bits@gmail.com>
Reviewed-by: Bao Zheng <fishbaozi@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
'Mendocino' was an embargoed name and could previously not be used.
Update amdfwtool for consistency with the correct naming convention.
BUG=b:239072117
TEST=Builds
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I673a9b99d207603b605756fc7d277c54c5d0f311
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66467
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
On boards which use both PSP recovery A/B layout as well as VBOOT A/B
layout, ISH_B directory entry is pointing directly to PSP Level2
directory. This is not correct and either ISH_B should be marked as not
present or it should point to the ISH_A directory itself which in turn
point to PSP L2 directory. Fix it by choosing the latter option.
BUG=None
TEST=Build and boot to OS in Skyrim with PSP verstage.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I0a7a56e98de3f85669ff8ec2fcd1687aa33576a9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66445
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This is required to enable PSP verstage on SoCs with recovery A/B
layout.
BUG=b:217414563
TEST=Ensure that the concerned type 0x3a PSP entry is present in PSP L2
directory. Build and boot to OS in Skyrim with both PSP and x86
verstage.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I5fae2b5dbcc95a99af3df9f59bb8516280ec1281
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66246
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
On SoCs which use A/B recovery layout, PSP verstage and signing keys are
expected to be present only in PSP L2 directory. Update amdfwtool to
include the PSP verstage and signing key only in PSP L2 directory.
BUG=b:239519603, b:238938623
TEST=Build and boot to OS in Skyrim with PSP verstage.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: Ieeb415be800b7ccf10d6983eb0b567e0a5eaa955
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66128
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Not all of the fields of the amd_cb_config structure were properly
initialized. Rather than initialize each field individually, initialize
the entire structure to 0.
TEST: Boot chausie
Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: Ia343f01bce3956d66d01ce485b43963193c9df31
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65533
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Amdfwtool creates AMD firmware images however there is currently no way
to get information from an existing image. This commit adds amdfwread to
support that functionality. At the moment only reading PSP soft fuse
flags is supported. Example usage: `amdfwread --soft-fuse bios.bin`,
example output: `Soft-fuse:0x400000030000041`.
BUG=b:202397678
TEST=Ran amdfwread and verified that it correctly reads the soft fuse
bits, verified that built AMD FW still boots on DUT
Signed-off-by: Robert Zieba <robertzieba@google.com>
Change-Id: I15fa07c9cad8e4640e9c40e5539b0dab44424850
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62795
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
This binary file is required for use by Trusted Applications that
execute in PSP.
BUG=b:229947314
TEST=Build and boot to OS in Skyrim.
Change-Id: I2d05792cfd98fa9c38f5deef1ac3282625983eeb
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64040
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
The macro PSP_COMBO is removed and instead use the flag use_combo. As
long as this flag is false, the amdfwtool behaves the same way as the
macro does.
Change-Id: Ief0d78ae1e94b8183d6cf3195935ff9774fee426
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55455
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Use BHD instead of BDT as the name of cookie macro. Use L2 to make it
clear it is for level 2. The 'BHD2' is misleading, which is going to
be used for combo entry. The definition in psp_verstage is also changed.
Change-Id: Ia10ac5e873dab6db7d66e63773a7c63f504950b2
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55411
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
AMDFWtool maintains 2 copies of PSP Level2 entries - one in primary slot
A (Type 0x48) and another in backup slot B (Type 0x4A). On boards which
use VBOOT with 2 RW firmware slots, maintaining 2 copies of PSP Level2
entries in each FW slot is redundant and space-consuming. Introduce
option to maintain only one copy of PSP Level2 entries and point to it
from both slots A & B.
BUG=None
TEST=Build and boot to OS in Skyrim. Ensure that only one copy is added
to each FW slot. This achieved a space saving of 1.5 MB in each FW slot.
Before:
apu/amdfw 0x415fc0 raw 3043328 none
After:
apu/amdfw 0x415fc0 raw 1556480 none
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Change-Id: I06eef8e14b9c14db1d02b621c2f7207188d86326
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63509
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This is for future feature combo, which gets the soc id from fw.cfg in
a loop instead of the command line, and the romsig is not set until
fw.cfg is processed.
Change-Id: Id50311034b46aa1791dcc10b107de4af6c86b927
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63344
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
It is more reasonable than getting the value from memset.
For the reserved bits, keep them as they were for old SOCs.
Change-Id: I65caa11e835d2ff52bec4b8904057bbced434891
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63319
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
The PSP in the Sabrina SoC uses the image slot header to find the second
level PSP directory table, so it needs the ISH to be generated.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I9e6308854147c9f6f72d722215c833ee86ee4f94
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63186
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Add PLATFORM_SABRINA to the enum of supported platforms and integrate it
into the existing code.
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ibe52b44395619f697686bd900a522562abbe7646
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63185
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
In newer AMD SoCs, the image slot header is used in the AMD A/B recovery
scheme, so set recovery_ab to true when need_ish is true. Also move the
block of code before the process_config call, since that call will
already use the recovery_ab field of the cb_config struct.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I65903765514f215bf5cc9b949d0b95aff781eb34
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63184
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
When the image slot header (ISH) is used, the addresses in the PSP and
BIOS directory tables need to be relative to the beginning of the table.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ia61f7c8313d5a1af95c68b9177a53a2f5443552a
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63183
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Image Slot Header (ISH) is a new feature.
The rom layout for A/B recovery with ISH:
EFS -> PSP L1 0x48 -> ISH A -> PSP L2 A -> BIOS L2 A
0x4A -> ISH B -> PSP L2 B -> BIOS L2 B
The newer 55758 will updated about the boot priority and update retry
in ISH header.
Change-Id: Ib0690cde1dce949514c7aacebe13096b7814ceff
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57747
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Compared to Cezanne, the Sabrina SoC has a 3 additional PSP firmware
table entries, so add those as a preparation for Sabrina support.
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Iaa5aacd53b3c7637f6d5e94b1a8d92bba57ddb9d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/63120
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
The Pubkey(0), PSP bootloader(1) and IKEK(0x21) should be put to
level 2 only for A/B recovery for Sabrina, which is going to be the
long term and A/B recovery layout only. So the amdfwtool should be
changed for Sabrina.
The old levels of these 3 FWs are for Cezanne, which doesn't use AB
recovery now. Just set the specific field levels in generic Cezanne
folder for demo. Leave the fw.cfg in Guybrush unchanged.
Change-Id: I11092b52927b2c526a5be719104ba39a790b6fa8
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62329
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Change-Id: I69c4b3cdd2473655064d1329d5319cffdba2425a
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62067
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Jason Glenesk <jason.glenesk@gmail.com>
Reviewed-by: Nikolai Vyssotski <nikolai.vyssotski@amd.corp-partner.google.com>
The rom layout for A/B recovery:
EFS -> PSP L1 0x48 -> PSP L2 A -> BIOS L2 A
0x4A -> PSP L2 B -> BIOS L2 B
The coreboot doesn't implement the AMD's A/B recovery. This is only
for the ROM layout. To save some flash space, the entire B section can
be eliminated.
To enable A/B recovery in PSP layout, add "--recovery-ab" to
amdfwtool.
TEST=Majolica(Cezanne)
Change-Id: I27f5d3476f648fcecafb8d258ccb6cfad4f50036
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56773
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
For the generic board which uses Cezanne, we use the generic SPL
table. For the Guybrush Chromebook, we need to use a customized SPL
file.
BUG=b:216096562
Change-Id: I385b0fe13cb78a053c07127ec3ea1c61dc42c7e4
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61836
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
SPL: Security Patch Level
The data in SPL is used for FW anti-rollback, preventing rollback of
platform level firmware to older version that are deemed vulnerable
from a security point of view.
BUG=b:216096562
Change-Id: I4665f2372ccd599ab835c8784da08cde5558a795
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61426
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Address Mode 0: Physical Address, bit 63~56: 0x00
Address Mode 1: Relative Address to entire BIOS image, bit 63~56: 0x40
Address Mode 2: Relative Address to PSP/BIOS directory, bit 63~56: 0x80
Address Mode 3: Relative Address to slot N, bit 63~56: 0xC0
It is the expanding mode for simple relative address mode, for which
address_mode equals 1.
Only mode 2 is added. We need to record current table base address and
calculate the offset. The ctx.current_table is zero outside the
table. When it goes into the function to integrate the table, it
should backup the old value and get current table base. Before it goes
out the function, it should restore the value.
If the table address mode is 2, the address in each entry should be
also add address mode information. If not, the address mode in entry
is meanless.
The old mode 0,1 should be back compatible.
Change-Id: I29a03f4381cd0507e2b2e3b359111e3375a73de1
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59308
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
The second generation EFS (offset 0x24[0]=0) uses "binary relative"
offsets and not "x86 physical MMIO address" like gen1.
The field additional_info in table header can tell if the absolute or
relative address is used.
Chips like Cezanne can run in both cases, so no problem
comes up so far.
The related change in psp_verstage has been uploaded.
https://review.coreboot.org/c/coreboot/+/58316
The relative mode is the mode 1 of four address modes. The absolute
mode is the mode 0. Later we will implement mode 2. Not sure if mode 3
is needed.
It needs to be simple to work with psp_verstage change to make SOC
Cezanne work quickly. This patch is defacto a subset of
https://review.coreboot.org/c/coreboot/+/59308
which implements the framework of address mode and covers mode
0,1,2. Some hardcode value like 29 can be removed in 59308.
BUG=b:188754219
Test=Majolica (Cezanne)
Change-Id: I7701c7819f03586d4ecab3d744056c8c902b630f
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56438
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Related to https://review.coreboot.org/c/coreboot/+/58555
commit-id: 35b7e0a2d82ac
In 58555, we added the SOC ID for Stoneyridge in amdfwtool
command line. But it raised building error because it then called
"set_efs_table" without setting SPI mode. So we skipped calling that.
But in set_efs_table, it has case for Stoneyridge. The boards also
need to have this setting. So we remove the skipping and give the
proper SPI mode in mainboard Kconfig.
Change-Id: I24499ff6daf7878b12b6044496f53379116c598f
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58871
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Fix the CL:
https://review.coreboot.org/c/coreboot/+/58942
The type comboable was int but set as true.
Change-Id: Id2c43378735c089a27a5aa683b55a0f7ec3677de
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59093
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
For combo layout, this is for combo header.
For non-combo layout, this is for PSP directory.
Change-Id: Ie7b5aec6b511ad61972908d1d22a13aeb7dd73a9
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58557
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
For the stoneyridge, soc_name is not set in Makefile, so set_efs_table
is not called. Keep it unchanged.
Change-Id: I0e82188ce64733420a578446e22a077ef789be92
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58555
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Need to check the FWs number limit several times. So pack the
duplicated steps into a function. And do it before access the new
entry.
Change-Id: I71117d1c817c0b6ddaea4ea47aea91672cc6d55a
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58764
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Nobody calls the function until combo or A/B is added, so suppress the
warning for now.
Test=Majolica (Cezanne)
Change-Id: I3082b850fb3fd2d7ae83a1c4dfd89eb7e1bd0f97
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55551
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
The element at offset 0x14 in the embedded_firmware struct is the
pointer to the combo PSP directory header, so rename it from comboable
to combo_psp_directory to clarify that this is not a flag, but a pointer
to a data structure. Also rename psp_entry to psp_directory since it
points to the PSP directory table.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: Ic6149c17ae813f4dcea71c308054849a1a2e4394
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58419
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
To save the space for FW, some of the FWs are going to be defined as
LVL2 entries. To be compatible to "flattened" layout, we still drop
the LVL2 entry to level1 if there is only one level.
Change-Id: Ibe8cdd5c14225899352b02bb19aae6059d56d428
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57063
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
This change can make the code be more flexible. And later we will use
amd_cb_config to transfer parameters.
Change-Id: Ic726aa9fc5f67803210af71d3e9cf2438b7e2a9b
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57062
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
The second generation EFS (offset 0x24[0]=0) uses
"binary relative" offsets and not "x86 physical
MMIO address" like gen1.
Chips like Cezanne can run in both cases, so no problem
comes up so far.
BUG=b:188754219
Test=Majolica (Cezanne)
Change-Id: I3a54f8ce5004915a7fa407dcd7d59a64d88aad0d
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55211
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
EFS: Embedded Firmware Structure
These structs and macros are defined in PSP specs(#55758).
They are supposed to be used by all C sources.
Change-Id: I8c7ed9fa626b249b4aa48544316a941dc2625c60
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54942
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Kangheui Won