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Change subject: util/inteltool: Add support for Jasper Lake
......................................................................
Patch Set 17:
(3 comments)
File util/inteltool/gpio_names/jasperlake.h:
https://review.coreboot.org/c/coreboot/+/73934/comment/78b06e01_41c1957e
PS12, Line 539: // Deep Sleep Well group
> What was done? I see no change here. […]
Done
https://review.coreboot.org/c/coreboot/+/73934/comment/66814f09_7577b4c2
PS12, Line 553: "GPD_INPUT3VSEL", "GPD_INPUT3VSEL",
> ... […]
Done
https://review.coreboot.org/c/coreboot/+/73934/comment/5a95828c_1f476cf4
PS12, Line 584:
> I'm not against adding comments. […]
Done
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Dinesh Gehlot has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/74255 )
Change subject: soc/intel/cmd/block/cse: Add config option for storing fw version info
......................................................................
soc/intel/cmd/block/cse: Add config option for storing fw version info
This patch adds a configuration option, `CONFIG_CSE_FIRMWARE_VERSION',
which enables the storage of firmware version information in CBMEM
memory. This information can be used to identify the firmware version
that is currently installed on the system. The option depends on the
`DRIVERS_INTEL_ISH` option.
BUG=b:273661726
Test=None
Signed-off-by: Dinesh Gehlot <digehlot(a)google.com>
Change-Id: I78fef45fd2940536b3e91cfd4d184b7635238499
---
M src/soc/intel/common/block/cse/Kconfig
1 file changed, 27 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/74255/1
diff --git a/src/soc/intel/common/block/cse/Kconfig b/src/soc/intel/common/block/cse/Kconfig
index f1f53d6..8a2b37a 100644
--- a/src/soc/intel/common/block/cse/Kconfig
+++ b/src/soc/intel/common/block/cse/Kconfig
@@ -45,6 +45,14 @@
Use this config for SoC platform prior to CNL PCH (with postboot_sai implemented)
to make `HECI1` device disable using private configuration register (PCR) write.
+config SOC_INTEL_FIRMWARE_VERSION_STORAGE
+ bool
+ depends on DRIVERS_INTEL_ISH
+ help
+ This configuration option enables the storage of firmware version information in
+ CBMEM memory.This information can be used to identify the currently running firmware
+ partition version.
+
config SOC_INTEL_CSE_SEND_EOP_EARLY
bool "CSE send EOP early"
depends on SOC_INTEL_COMMON_BLOCK_CSE
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Change subject: mb/amd/mayan: Correct PCIe bridge for M.2 NVMe SSD0
......................................................................
Patch Set 5: Code-Review+1
(1 comment)
Patchset:
PS5:
Anand, thank you very much.
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Change subject: mb/google/brya/variants/hades: Update GPU power sequencing to add Hades support
......................................................................
Patch Set 22:
(1 comment)
File src/mainboard/google/brya/variants/hades/variant.c:
https://review.coreboot.org/c/coreboot/+/73896/comment/4100aa9d_95051fd2
PS22, Line 148: void variant_fill_ssdt(const struct device *dev)
> Since we have power.asl, why just put the _INI into it? It'd better all C code or all ASL code.
This is for logic meant to allow Agah devices to dynamically change these values at runtime based on board ID. It isn't really needed for Hades so why these seems a bit pointless here.
Once we drop Agah, we can get rid of this completely. I'm trying to keep power.asl as compatible/common with both devices (for now) and this was the most straightforward.
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Change subject: Reland drivers/intel/dptf: Add multiple fan support under dptf
......................................................................
Patch Set 4: Code-Review+1
(1 comment)
File src/include/acpi/acpigen_dptf.h:
https://review.coreboot.org/c/coreboot/+/73249/comment/2f785198_baa52570
PS3, Line 128: speed
> We have already added comment above for unit so would request to keep it as speed only here to make […]
I prefer to avoid comments, and have it in a variable name. The variable names would still be short. But it’s personal preference, so of course it’s fine.
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Change subject: soc/intel/cmn/cpu: Add function to disable 3-strike CATERR
......................................................................
Patch Set 5:
(1 comment)
Commit Message:
https://review.coreboot.org/c/coreboot/+/74158/comment/1c820686_92c2bb3c
PS3, Line 8:
> > ```
> > I'm not here to explain what 3-stick error mean/does. One can refer to the appropriate document for that.
> > ```
> > Than refer to it.
>
> Please try to understand we (googlers) working with Intel and have access to many docs (those are under NDA), we can't copy/paste some information from those docs and put them into the code review. Hence, we have to rely on the open source documentation and references. I can find some good reading here https://www.asset-intertech.com/resources/blog/2018/09/debug-of-intel-cater… in public
>
> Also, Intel doc:576242 to have more information.
If you got the information from a NDA document, than of course you can just add intel document ID and be done with it. I would never suggest to break any kind of NDA. For me it just looked like this is general public knowledge (since it is also explained in the blog post you mentioned).
> > ```
> > If I have to do a PCI BAR programming does that mean, I have to explain what is PCI and it's internal details ?
> > ```
> > Thats a poor comparison. PCI is a very broad and very well known subject in Firmware/Coreboot community. It is referenced in numerous coreboot patches and can therefore be seen as "common knowledge".
> > 3-three CATEER is a very specific thing that I assume is not known to "everyone" (at the very least its not known to me).
>
> I know this is a poor comparison but the point is hopefully clear, the purpose of the commit msg is not to educate about the technology. If the intention is to learn more on a certain topic, then a comment is more appropriate to know the source behind the technology like from where to learn more (isn't it ?). I can help here to share the possible information that I know. But as I said, some information are confidential and we can't just put those details to explain how CPU will collect more traces when 3-stike counter is disable vs enable.
I agree. A comment is much more useful for that.
> >
> > ```
> > I have wrote the commit msg to explain what this patch does
> > ```
> > Specifically I was missing the key information why disabling 3-three CATEER helps to do CPU traces. You say it does but you are not explaining why. At least one sentence about that would be enough for me.
> > So I basically have to trust, that what you say is true or google for half an hour to check -> review time is much longer
>
> I really don't know how to help here, those are very intel processor centric information and i won't be able to justify the expectation that you have here.
I think you misunderstood me. I don't expect you to write how CPU tracing works. Before reading this I was under the assumption that JTAG assisted hardware tracing is basically almost always possible, not matter what state the system is in. Therefore it was hard for me to grasp why a CATERR is preventing me from doing a proper CPU trace. Apparently according to the blog post, the JTAG debugger cannot put the hardware into probe mode then, but that wasn't obvious to me and therefore my confusion.
But I don't want to prolong your CL any longer and its only a minor problem for me anyway (despite how far the discussion went now).
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Change subject: mb/google/myst: Enable variants for Myst
......................................................................
Patch Set 15: Code-Review+2
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Change subject: mb/google/myst: Build for chromeOS
......................................................................
Patch Set 15: Code-Review+2
(1 comment)
File src/mainboard/google/myst/chromeos.c:
https://review.coreboot.org/c/coreboot/+/74097/comment/2bde321c_48852462
PS15, Line 9: void fill_lb_gpios(struct lb_gpios *gpios) {}
Not sure you even need this if this is going to be empty since VBOOT_NO_BOARD_SUPPORT will apply the same -
https://chromium.googlesource.com/chromiumos/third_party/coreboot/+/refs/he…
Is there somewhere up the CL stack you remove VBOOT_NO_BOARD_SUPPORT config?
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