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The ECC check bits of all ECC DIMMS were inadvertently initialized
twice in the same routine, significantly delaying startup. Part
of this was related to an obsolete MCA workaround that has been
fixed through multiple commits, therefore the workaround is no
longer needed.
Only initialize the ECC check bits once.
Change-Id: I90ac1147d9b006794d29b866a9cb5b7ead8f01e7
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14503
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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Change-Id: Idb948acd1a508379f600fbd2fd40fb26b7571d7c
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14545
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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During receiver enable cycle training on Family 15h the entire range
of possible delays is searched, even though the single passing window
is often found nearly immediately. Skip the remainder of the delay
range after the passing window has been located.
Change-Id: If98217fa8e7de77366762d3c7bb01049a1dc080f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14544
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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During DQS receiver enable cycle training on Family 15h platforms the
read data timing registers were inadvertently set to zero on every
lane training attempt.
Ensure that the read data timing registers are correctly set after
each lane is trained in receiver enable cycle training. This allows
more than one RDIMM to function on a given DCT channel.
Change-Id: I87d732f0383e9785a73b57e6f48855f3e872f1f9
Tested-On: ASUS KGPE-D16
Tested-With: 1x Opteron 6262HE
Tested-With: 4x Crucial 36KSF1G72PZ-1G6M1 (slots A2 / A1 / B2 / B1)
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14543
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Change-Id: I1f5b024606093dc81de3f3d69b7a43e20141b709
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14542
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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The existing Family 15h receiver enable training code stored
temporary delay values in the wrong variables, leading to
the requisite averaging of delays across nibbles not being
applied. This in turn made x4 DIMMs less stable than they
should have been.
Store temporary nibble delay values in a dedicated array.
Change-Id: Ic5da898af7d689db4110211f89b886ccdbb5f78f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14541
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Fix regression introduced by:
Ib48fe8380446846df17d37b22968f7d4fd6b9b13
Don't run channel_test on S3 resume as it overrides memory
that might be in use.
Fixes MCE events reported by the GNU/Linux kernel that
low memory has been modified.
Reset on failed s3 resume.
Change-Id: Ibadea286619c7906225f86a93aaa0b4caf26cabe
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14439
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
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DIMM training can sporadically fail due to external influences or various
errata. In these cases, restarting to retry training is a more appropriate
response than halting the system and requiring manual intervention.
Change-Id: Id49f7419f56e0640a84448cc06ecbaf62bed145e
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14529
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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The wrong DIMM number was used in the initial non-target MRS
setup routines. This had no functional impact other than to
print the wrong DIMM number in the DDR3 verbose debug output.
Change-Id: I480118ed00e1786a06e641a56f0fb19cd87f92eb
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14501
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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The existing RDIMM RC control word send routines were a hodgepodge
of various AGESA chunks with different ways of handling the same
task. Unify the control word chip select setup, use precise timing
routines on Family 15h, fix a couple of incorrect masks, and add
additional debugging statements.
It is believed that this patch is cosmetic and does not significantly
alter existing functionality.
Change-Id: Ie4ec7b6a7be7fce09e89f9eec146cc98b15b6160
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14500
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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When more than one DIMM is installed on a DCT, only the first DIMM
delay values are scaled to the new memory clock frequency after a
memory clock change during write leveling.
Store the previous memory clock of each DIMM during write leveling
to ensure that every DIMM has its delay values rescaled.
Change-Id: I56e816d3d3256925598219d92783246f5f4ab567
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14479
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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After substantial testing it has been determined that it is neither
required nor safe to disable the DRAM MCA during initial startup.
This (mostly) reverts commit c094d9961144871c472698c41ce634e58abb6a32.
The minor debugging enhancements from that commit were left in place.
Tested-On: ASUS KGPE-D16
Config-CPU: 1x Opteron 6262HE
Config-RAM: 4x Crucial 36KSF1G72PZ-1G6M1
Config-RAM: 1x Kingston 9965516-483.A00LF
Change-Id: I58fcc296b8c45ecaedf540951c365e4ce52baaf5
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14446
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Change-Id: I5056cf885b7063a97c095bfaaf01dd8da777a425
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14447
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Certain RDIMMs have inherently large write levelling delays,
in some cases exceeding 1.5 MEMCLK. When these DIMMs are
utilized, the phase recovery system requires special handling
due to the resultant offset exceeding the phase recovery reporting
capabilities.
Fix an old error where delays > 1.5 MEMCLK were not being programmed
(gross delay high bit was not in set range), and restore special
delay handling for delays greater than 1.5 MEMCLK.
Also enhance debugging for x4 DIMMs around the affected code.
Tested-On: ASUS KGPE-D16
Config-CPU: 1x Opteron 6262HE
Config-RAM: 4x Crucial 36KSF1G72PZ-1G6M1
Change-Id: I0fb5454c4d5a9f308cc735597607f095fe9188db
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14441
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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The BKDG requires phy fences to be re-trained after a memory clock change.
Memory training on the ASUS KGPE-D16 and KCMA-D8 somehow "mostly" worked
-- without actually following this requirement -- !
Fix the single typo that caused several weeks of delay in putting
servers with Kingston RAM (and others) into production...
Tested-On: ASUS KGPE-D16
Config-CPU: 1x Opteron 6262HE
Config-RAM: 4x Crucial 36KSF1G72PZ-1G6M1
Change-Id: I197e6728d2b0ac8c1535740599459d080b17af33
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14445
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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We never define B1_IMAGE or B2_IMAGE. These are about building
CIMx as separate binary modules, while coreboot builds these into
same romstage or ramstage module.
Change-Id: I9cfa3f0bff8332aff4b661d56d0e7b340a992992
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/14393
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Kerry Sheh <shekairui@gmail.com>
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Reorder drivers to fit src/drivers/[X]/[Y]/ scheme to make
them pluggable.
Also, fix up the following driver subdirectories by switching
to the src/drivers/[X]/[Y]/ scheme as these are hard requirements
for the main change:
* drivers/intel
* drivers/pc80
* drivers/dec
Change-Id: I455d3089a317181d5b99bf658df759ec728a5f6b
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/14047
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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gcc doesn't like these because they're undefined behavior, so use
zeroptr instead. For the loop that just does a number of writes (0..4),
use zeroptr + i.
Checked the disassembly (AMD_RUMBA and PCENGINES_ALIX2D) to not contain
ud2 anymore and to look reasonable where zeroptr was used.
Change-Id: I4a58220ec9a10c465909ca4ecbe5366d0a8cc0df
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/14345
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
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Trivial; Use tab over space for indent. Clean up some ASCII art
while here.
Change-Id: Id2478d140a98596c5eeefdf5b047c1ca23203909
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: https://review.coreboot.org/8016
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Two of the MCT data structures passed as substructures to ramstage were
not packed, and additionally no alignment was specified. On at least
SP5100-based platforms, specifying packed with no alignment caused boot
failure dependent on the exact compiled binary layout (LPC hang).
Specifying the alignment and packing the remaining structures appears to
have resolved the remaining LPC hang issues on the KGPE-D16. Note that
packing the remaining structures alone was not sufficient to eliminate
the hang, however removing the packed attribute entirely (during debugging)
did resolve the hang at the expense of potential problems in ramstage.
Change-Id: If3a7509ed438870d4d05caaaaa091e1c47bf9b97
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14303
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
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The SPI controller needs to be set up on devices such as the SP5100
before it can be accessed to write MCT backup data. Move the backup
data write after PCI configuration has been completed.
Change-Id: Ibcf31755242ac058407a422ce8aa33d6b0b293c7
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14305
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Always use MRC cache if possible.
Added a CRC16 array to make sure the DIMMs haven't been replaced.
In case one of the CRC's doesn't match, start normal RAM training.
Use new fallback in case of broken mrc cache.
Test system:
* Gigabyte GA-B75M-D3H
* Intel Pentium CPU G2130
Test result:
The system boots a lot faster using the MRC cache.
On swapping DIMMs the CRC16 doesn't match and normal ram training
is started.
Change-Id: Ib48fe8380446846df17d37b22968f7d4fd6b9b13
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14172
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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This reverts commit f961becc433bf23fc8744fdfd757f0cdb75c2c62.
On studying the BKDG more closely this is not the correct place
to enable DIMM parity. Further patches to clarify the parity
setup process on Family 15h are forthcoming.
Change-Id: I5a3a4f1621e3048f9dfc159709410be9de6ebecd
Reviewed-on: https://review.coreboot.org/14271
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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The sync flood reset fix in Change-Id: I62d897010a8120aa14b4cb8d096bc4f2edc5f248
and related changes have made it possible to move the sync flood enable statements
back into romstage.
Change-Id: I5a3a4f1621e3048f9dfc159709410be9de6ebece
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14270
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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When a fatal error and subsequent sync flood / reset occurs,
the MCA status registers may contain valuable information on
the cause of the fatal error. Add functions to report MCEs and
reset the MCA status registers early in the boot process.
Change-Id: Icde1051ac22f93688de1330f5e2c9ce28b14b59a
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14265
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Change-Id: I42d901ae9445943a863fb3ba9bda5a915f255e02
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14264
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Certain AMD platforms, such as those using the SP5100 southbridge,
contain a very poorly documented bug related to LPC ROM access,
which is triggered by repeated (hundreds or more) rapid calls to
get_option(). This bug manifests as a complete system deadlock
in ramstage device configuration, requiring standby power to be
removed from the system to release the deadlock.
Cache the platform ECC status to avoid repeated calls to get_option()
in the lane count detection logic.
Change-Id: I8b48c523218ccc8c113319957d6eca2d15e1070f
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14273
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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In error case die in top level function.
No functionality is changed.
Change-Id: Ie15b01184d40bdbce20d49dcab2f9fb607068c7a
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14171
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Return errors to top level ram init function.
Required by the folowing series to implement a fallback.
No functionality is changed.
On error case the system still halts in every test.
Change-Id: I6278c4a1d7b4a96be8988a60671fc3d72cd6cb3d
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14170
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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The revision mask for all DR-* series processors was incorrectly
set to only include the DR-B revision mask. Include all DR-*
series prcessors in the DR_ALL revision mask.
Change-Id: Iceda96aa6267b24abcbf78d39f4848d2be8053b8
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Found-by: Coverity, CID 1229627 (#1 of 1): Logically dead code (DEADCODE)
Reviewed-on: https://review.coreboot.org/14216
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
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Enabling sync flood on DRAM MCE directly after ECC clear can
lead to a system hang with no way to determine the offending
DRAM module. Clear MCEs after ECC setup, but do not enable
sync flood until NB setup in ramstage to allow time for any
MCEs to accumulate in the status registers. Before enabling
sync flood on MCE, determine if any MCEs were logged during
ramstage execution and display them on the serial console.
Also clear the DRAM ECC sync flood bits during DRAM training
and initial ramstage execution.
Change-Id: Ibd93801be2eed06d89c8d306c14aef5558dd5a15
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14192
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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During power on from cold (S5) state, numerous MCEs are generated
before DRAM training starts, e.g. during HT link training. Clear
these MCEs before DRAM training start, and report any MCEs generated
during DRAM training.
Change-Id: I7d047571242e5bd041e4aac22c1ec1d7d26ef0e6
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14191
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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On Family 15h processors, with certain RDIMMs, MCEs are generated
as a normal part of DCT startup / DRAM training. Disable sync
flood on parity or UC data error until ECC has been enabled.
Change-Id: Ife54751ff127ffd59baaad35d3fea14ea01ef505
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14186
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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This resolves a long-standing issue with RDIMM control word
configuration failure, likely due to random parity failure.
Change-Id: If8b8dc5b8b99f4c2fe29b3a133b064631e4693be
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14184
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Change-Id: I96d695ed10176276116fcf3a2b77605fb3f2d5db
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/13710
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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In order to add a fallback mechanism, move the ram training code
into a new function. This function will be called multiple times
and must return error or success to the calling function.
Change-Id: I5ee1b3a528290d8252d236b9152b81291736958a
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14169
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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It's required to store the dimm_info in ramctr_timing as only ramctr_timing
is written to mrc cache.
Allows to fill SMBIOS type 17 if mrc cache is used.
Change-Id: I7634b05069df307d471938d9854997a018de81b3
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14168
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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Replace open coded memset() functions with calls to the library function.
The new code also explicitly backs up and restores the data structures
that are preserved across calls to mct_ResetDataStruct_D(), and no longer
relies on structure member order to function correctly.
Change-Id: I6dd6377deda0087cd1b65f7555588978657d6516
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14165
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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Change-Id: Ic5482dc13ab7b53ec4df408bbe32d20888ae2e12
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: https://review.coreboot.org/13725
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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During maximum read latency training on Family 15h processors,
the maximum read latency was incorrectly set from the NBP1
value instead of the correct NBP0 value.
Modify maximimum read latency training to explicitly operate
on the NBP0 value, and store the previously calculated NBP1
value for reference by other portions of the training algorithm.
Change-Id: I5d4a6c2def83df3e23f1a4c598314c31a0172cd7
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14150
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
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dqsTrainMaxRdLatency_SW_Fam15()
Change-Id: Ic3f636983cf6ba2796ee56e2a25b56513a4343c1
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14148
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
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Under certain conditions (training abort) BlockRxDqsLock could
remain set in violation of the BKDG. Ensure BlockRxDqsLock is
reset to 0 after a lane training abort.
Change-Id: I1a49a24d02b2b7cacae074794ec274a424a9e66b
Reviewed-on: https://review.coreboot.org/14144
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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The Intel i3100 northbridge code is the only user of
cache_ramstage(). Therefore, place it next to the sole
consumer.
Change-Id: If15fb8d84f98dce7f4de9e089ec33035622d8f74
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/14097
Tested-by: build bot (Jenkins)
Reviewed-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Rebasing change I3be808db5d15ceec4c36d17582756b01425df09a
did not take into account the default UI setting introduced in
change I6ae88c891e92b21dc0ca3c47b8f3d269f83b3204 , causing DRAM
instability and occassional failure to boot.
Use the correct 1UI value for the modified function semantics.
Change-Id: I9fd24cf83e4c4083c6e467d49021c98e5f5f2c53
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/14073
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>
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Instead of manually including udelay_io.c in each romstage,
select UDELAY_IO for all i3100 boards in the chipset.
Change-Id: Ia66a0561c75777a9e98bb87117859808a2ff3732
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/13786
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Instead of manually including udelay_io.c in each romstage,
select UDELAY_IO for all i810 boards in the chipset.
Change-Id: Ifda7dcfdf37b6affce838ee96ca6382b2d4be8c3
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/13784
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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Instead of manually including udelay_io.c in each romstage,
select UDELAY_IO for all i830 boards in the chipset.
Change-Id: I0a63ddd3c5e43ea65f776385f54eceb6569751ac
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: https://review.coreboot.org/13783
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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read_dqs_read_data_timing_registers() and
read_read_dqs_timing_control_registers() served essentially
the same function but had slightly different semantics,
causing confusion and needlessly complex Family15h code.
Consolidate both into read_dqs_read_data_timing_registers()
and adjust surrounding code to match new semantics.
Change-Id: I3be808db5d15ceec4c36d17582756b01425df09a
Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-on: https://review.coreboot.org/13994
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Martin Roth <martinroth@google.com>
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The sourcecode is 99% the same. Only two lines differ, but not
in functionality.
Also rename mrccache.c -> mrc_cache.c
Tested-on: boot + suspend/resume on x220
Change-Id: I36f79d066336f223b608c70c847ea6ea6e4ad287
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: https://review.coreboot.org/14007
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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The mrc_cache definition and the struct mrc_container are the same
over all intel platforms.
Change-Id: I128a4b5693d27ead709325c597ffe68a0cc78bab
Signed-off-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-on: https://review.coreboot.org/13998
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
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