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2014-08-15intel/cpu: rename car.h to romstage.hAaron Durbin
This header has nothing to do with cache-as-ram. Therefore, 'car' is the wrong term to use. It is about providing a prototype for *romstage*. Change-Id: Ibc5bc6f3c38e74d6337c12f246846853ceae4743 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/6661 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2014-08-14Intel: Add common header file for CAR setupEdward O'Callaghan
When passing '-ffreestanding' the 'main' romstage.c may no longer necessarily be considered the entry point. From the C specification in 5.1.2.1 Freestanding environment; "In a freestanding environment (in which C program execution may take place without any benefit of an operating system), the name and type of the function called at program startup are implementation-defined." Clang complains about these being missing as Clang is somewhat more strict about the spec than GNU/GCC is. An advantage here is that a different entry-point type-signature shall now be warned about at compile time. Change-Id: I467001adabd47958c30c9a15e3248e42ed1151f3 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/5872 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2014-01-16cpu/intel: Make all Intel CPUs load microcode from CBFSAlexandru Gagniuc
The sequence to inject microcode updates is virtually the same for all Intel CPUs. The same function is used to inject the update in both CBFS and hardcoded cases, and in both of these cases, the microcode resides in the ROM. This should be a safe change across the board. The function which loaded compiled-in microcode is also removed here in order to prevent it from being used in the future. The dummy terminators from microcode need to be removed if this change is to work when generating microcode from several microcode_blob.c files, as is the case for older socketed CPUs. Removal of dummy terminators is done in a subsequent patch. Change-Id: I2cc8220cc4cd4a87aa7fc750e6c60ccdfa9986e9 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/4495 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@gmail.com>
2013-12-13cpu: Rename CPU_MICROCODE_IN_CBFS to SUPPORT_CPU_UCODE_IN_CBFSAlexandru Gagniuc
CPU_MICROCODE_IN_CBFS was designed to mean that loading microcode updates from a CBFS file is supported, however, the name implies that microcode is present in CBFS. This has recently caused confusion both with contributions from Google, as well as SAGE. Rename this option to SUPPORT_CPU_UCODE_IN_CBFS in order to make it clearer that what is meant is "hey, the code we have for this CPU supports loading microcode updates from CBFS", and prevent further confusion. Change-Id: I394555f690b5ab4cac6fbd3ddbcb740ab1138339 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/4482 Reviewed-by: Marc Jones <marc.jones@se-eng.com> Tested-by: build bot (Jenkins)
2013-05-10Drop prototype guarding for romccStefan Reinauer
Commit "romcc: Don't fail on function prototypes" (11a7db3b) [1] made romcc not choke on function prototypes anymore. This allows us to get rid of a lot of ifdefs guarding __ROMCC__ . [1] http://review.coreboot.org/2424 Change-Id: Ib1be3b294e5b49f5101f2e02ee1473809109c8ac Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/3216 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-04-03intel/microcode.h: Fix typo in comment: micr*o*codePaul Menzel
Introduced in commit »intel microcode: split up microcode loading stages« (98ffb426) [1]. [1] http://review.coreboot.org/2778 Change-Id: I626508b10f3998b43aaabd49853090b36f5d3eb0 Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/2992 Reviewed-by: Aaron Durbin <adurbin@google.com> Tested-by: build bot (Jenkins)
2013-03-19intel microcode: split up microcode loading stagesAaron Durbin
This patch only applies to CONFIG_MICROCODE_IN_CBFS. The intel microcode update routine would always walk the CBFS for the microcode file. Then it would loop through the whole file looking for a match then load the microcode. This process was maintained for intel_update_microcode_from_cbfs(), however 2 new functions were exported: 1. const void *intel_microcode_find(void) 2. void intel_microcode_load_unlocked(const void *microcode_patch) The first locates a matching microcode while the second loads that mircocode. These new functions can then be used to cache the found microcode blob w/o having to re-walk the CBFS. Booted baskingridge board to Linux and noted that all microcode revisions match on all the CPUs. Change-Id: Ifde3f3e5c100911c4f984dd56d36664a8acdf7d5 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2778 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2013-02-11Intel: Replace MSR 0xcd with MSR_FSB_FREQPatrick Georgi
And move the corresponding #define to speedstep.h Change-Id: I8c884b8ab9ba54e01cfed7647a59deafeac94f2d Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/2339 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2013-02-09speedstep: Deduplicate some MSR identifiersPatrick Georgi
In particular: MSR_PMG_CST_CONFIG_CONTROL MSR_PMG_IO_BASE_ADDR MSR_PMG_IO_CAPTURE_ADDR Change-Id: Ief2697312f0edf8c45f7d3550a7bedaff1b69dc6 Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-on: http://review.coreboot.org/2337 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-11-05Overhaul speedstep codeNico Huber
This adds proper support for turbo and super-low-frequency modes. Calculation of the p-states has been rewritten and moved into an extra file speedstep.c so it can be used for non-acpi stuff like EMTTM table generation. It has been tested with a Core2Duo T9400 (Penryn) and a Core Duo T2300 (Yonah) processor. Change-Id: I5f7104fc921ba67d85794254f11d486b6688ecec Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/1658 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-11-01Merge cpu/intel/acpi.h into cpu/intel/speedstep.hNico Huber
We had only some MSR definitions in there, which are used in speedstep related code. I think speedstep.h is the better and less confusing place for these. Change-Id: I1eddea72c1e2d3b2f651468b08b3c6f88b713149 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/1655 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-09-05buildsystem: Make CPU microcode updating more configurableAlexandru Gagniuc
This patch aims to improve the microcode in CBFS handling that was brought by the last patches from Stefan and the Chromium team. Choices in Kconfig - 1) Generate microcode from tree (default) - 2) Include external microcode file - 3) Do not put microcode in CBFS The idea is to give the user full control over including non-free blobs in the final ROM image. MICROCODE_INCLUDE_PATH Kconfig variable is eliminated. Microcode is handled by a special class, cpu_microcode, as such: cpu_microcode-y += microcode_file.c MICROCODE_IN_CBFS should, in the future, be eliminated. Right now it is needed by intel microcode updating. Once all intel cpus are converted to cbfs updating, this variable can go away. These files are then compiled and assembled into a binary CBFS file. The advantage of doing it this way versus the current method is that 1) The rule is CPU-agnostic 2) Gives user more control over if and how to include microcode blobs 3) The rules for building the microcode binary are kept in src/cpu/Makefile.inc, and thus would not clobber the other makefiles, which are already overloaded and very difficult to navigate. Change-Id: I38d0c9851691aa112e93031860e94895857ebb76 Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com> Reviewed-on: http://review.coreboot.org/1245 Tested-by: build bot (Jenkins) Reviewed-by: Anton Kochkov <anton.kochkov@gmail.com> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
2012-07-24Add code to read Intel microcode from CBFSVadim Bendebury
When CONFIG_MICROCODE_IN_CBFS is enabled, find the microcode blob in CBFS and pass it to intel_update_microcode() instead of using the compiled in array. CBFS accesses in pre-RAM and 'normal' environments are provided through different API. Change-Id: I35c1480edf87e550a7b88c4aadf079cf3ff86b5d Signed-off-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: http://review.coreboot.org/1296 Tested-by: build bot (Jenkins)
2012-07-02Intel CPUs: execute microcode update only once per coreKyösti Mälkki
Early HT-enabled CPUs do not serialize microcode updates within a core. Solve this by running microcode updates on the thread with the smallest lapic ID of a core only. Also set MTRRs once per core only. Change-Id: I6a3cc9ecec2d8e0caed29605a9b19ec35a817620 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: http://review.coreboot.org/1142 Tested-by: build bot (Jenkins) Reviewed-by: Sven Schnelle <svens@stackframe.org> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2012-04-26Revamp Intel microcode update codeStefan Reinauer
- add GPLv2 + copyright header after talking to Ron - "bits" in struct microcode served no real purpose but getting its address taken. Hence drop it - use asm volatile instead of __asm__ volatile - drop superfluous wrmsr (that seems to be harmless but is still wrong) in read_microcode_rev - use u32 instead of unsigned int where appropriate - make code usable both in bootblock and in ramstage - drop ROMCC style print_debug statements - drop microcode update copy in Sandybridge bootblock Change-Id: Iec4d5c7bfac210194caf577e8d72446e6dfb4b86 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/928 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-04-06Fixes and Sandybridge support for lapic cpu initStefan Reinauer
- preprocessor macros should not use defined(CONFIG_*) but just CONFIG_* - drop AMD CPU model 14XXX config variable use. Those do not exist. - skip some delays on Sandybridge systems - Count how long we're waiting for each AP to stop - Skip speedstep specific CPU entries Change-Id: I13db384ba4e28acbe7f0f8c9cd169954b39f167d Signed-off-by: Stefan Reinauer <reinauer@google.com> Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: http://review.coreboot.org/871 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2012-04-03Add support for Intel Turbo Boost featureStefan Reinauer
From wikipedia: Intel Turbo Boost is a technology implemented by Intel in certain versions of their Nehalem- and Sandy Bridge-based CPUs, including Core i5 and Core i7 that enables the processor to run above its base operating frequency via dynamic control of the CPU's "clock rate". It is activated when the operating system requests the highest performance state of the processor. Change-Id: I166ead7c219083006c2b05859eb18749c6fbe832 Signed-off-by: Duncan Laurie <dlaurie@google.com> Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/844 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2011-08-04cpu/intel/slot_1: Init L2 cache on SECC(2) CPUs.Keith Hui
Bring from coreboot v1 support for initializing L2 cache on Slot 1 Pentium II/III CPUs, code names Klamath, Deschutes and Katmai. Build tested on ASUS P2B-LS and P3B-F. Boot tested on P2B-LS with Pentium III 600MHz, Katmai core. Also add missing include of model_68x in slot_1, to address a similar problem fixed for model_6bx by r5945. Also change Deschutes CPU init sequence to match Katmai. Change-Id: I502e8481d1a20f0a2504685e7be16b57f59c8257 Signed-off-by: Keith Hui <buurin@gmail.com> Reviewed-on: http://review.coreboot.org/122 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2010-12-11factor out cpu power management base into a separate file. And fix a bug inStefan Reinauer
model_1067x Signed-off-by: Stefan Reinauer <stepan@coreboot.org> Acked-by: Stefan Reinauer <stepan@coreboot.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6164 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-11-18For completeness sake: License header.Patrick Georgi
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Acked-by: Patrick Georgi <patrick@georgi-clan.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6087 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2010-11-17Move Intel power management related defines to some central location.Patrick Georgi
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de> Acked-by: Patrick Georgi <patrick@georgi-clan.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6085 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2009-01-20fix compiler warnings (trivial)Stefan Reinauer
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3878 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2004-10-14- Renamed cpu header filesEric Biederman
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1659 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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