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They're listed in AUTHORS and often incorrect anyway, for example:
- What's a "Copyright $year-present"?
- Which incarnation of Google (Inc, LLC, ...) is the current
copyright holder?
- People sometimes have their editor auto-add themselves to files even
though they only deleted stuff
- Or they let the editor automatically update the copyright year,
because why not?
- Who is the copyright holder "The coreboot project Authors"?
- Or "Generated Code"?
Sidestep all these issues by simply not putting these notices in
individual files, let's list all copyright holders in AUTHORS instead
and use the git history to deal with the rest.
Change-Id: I4c110f60b764c97fab2a29f6f04680196f156da5
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39610
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
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This cpuid function (0) is same across Intel and AMD so having it in
arch/x86 seems like a good idea.
Change-Id: I38f1c40bceac38ed6428f74b08bf60b971644f5a
Signed-off-by: Andrey Petrov <anpetrov@fb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36282
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
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Change-Id: Ibcb1cafe36c255b4c5bd0a4faeedb95e91048709
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36372
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
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BUG=b:139798422, b:129839774
TEST=Able to build and boot KBL/CML/ICL.
Change-Id: I341eec13d275504545511904db0acd23ad34e940
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35234
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Reviewed-by: Maulik V Vaghela <maulik.v.vaghela@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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tsc_freq_mhz() had a static table of Intel CPU families and crystal
clock, but it is possible to calculate the crystal clock speed dynamically,
and this is preferred over hardcoded table.
On SKL/KBL/CML CPUID.15h.ecx = nominal core crystal clock = 0 Hz
hence we had to use static table to calculate crystal clock.
Recommendation is to make use of CPUID.16h where crystal clock frequency
was not reported by CPUID.15h to calculate the crystal clock.
BUG=b:139798422, b:129839774
TEST=Able to build and boot KBL/CML/ICL.
Change-Id: If660a4b8d12e54b39252bce62bcc0ffcc967f5da
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35148
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: V Sowmya <v.sowmya@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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This patch moves USE_LEGACY_8254_TIMER Kconfig into common/block/timer
for better code sharing. Also ported CB:33512 for SPT and ICP PCH.
Change-Id: Ic767ff97aaa3eb7fa35ffa38fa416d006eaa6e78
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34132
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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This patch ensures to follow Intel SDM Vol 3B Sec 18.7.3 to
calculate nominal TSC frequency.
As per SDM recommendation:
For any processor in which CPUID.15H is enumerated and
MSR_PLATFORM_INFO[15:8] (which gives the scalable bus frequency) is
available, a more accurate frequency can be obtained by using CPUID.15H
This patch also adds header file to capture Intel processor model number.
BUG=b:129839774
TEST=Boot ICL platform and calculate TSC frequency using below methods
1. TSC freq calculated based on MSR 0xCE
tsc: Detected 1600.000 MHz processor
2. TSC freq calculated based on CPUID 0x15
tsc: Detected 1612.800 MHz TSC
Method 2 actually reduce ~25ms of boot performance time.
Note: Method 2 is recommended from gen 6 processor onwards.
Change-Id: I9ff4b9159a94e61b7e634bd6095f7cc6d7df87c7
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32283
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Aamir Bohra <aamir.bohra@intel.com>
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Add common timer code to get tsc frequency(Mhz).
Change-Id: Ifd4b24735c74c636348fc32afbcc267e384cb610
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/19911
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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