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Currently, we're building support for all memory types into every board,
and letting the linker remove anything that isn't needed. This is okay,
but it'd be nice to be able to build in just what's actually needed.
This change adds options to specify both what is used and what is not.
By doing it that way, the default values don't change, but platforms can
start removing support for memory types that are not needed. When all
platforms (SoCs, CPUs and/or Northbridge chips) specify what memory
types they support, the defaults on the options to use a particular
memory type can be set to no, and the options not to use a memory type
can be removed.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I07c98a702e0d67c5ad7bd9b8a4ff24c9288ab569
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68992
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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As the frequency field in the SMBIOS type 17 table is deprecated,
we need to provide the maximum and configured speed in MT/s. Add
a method to convert from frequency to MT/s using a lookup table.
BUG=b:239000826
TEST=Build and verify with other patches in train
Change-Id: I0402b33a667f7d72918365a6a79b13c5b1719c0d
Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
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Add lpddr4.c utility file with lpddr4_speed_mhz_to_reported_mts.
Fill in lpddr4_speeds using JDEC 209-4C table 210.
LPDDR4 SPD decoding utilities are not included since there isn't
a present need.
BUG=b:184124605
TEST=Build and run on guybrush
Change-Id: Id8ddfc98fff4255670c50e1ddd4d0a1326265772
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52745
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Move SPD manufacturer ID decoding to device/dram. Will be used by the
following patch outside of SMBIOS scope as well.
Change-Id: Iec175cd6ab1d20761da955785e4bc0e87ae02dbb
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50544
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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Add method for converting DDR4 speed in MHz to MT/s. Checks that MHz is
within a speed grade range.
BUG=b:167155849
TEST=ddr4-test unit test
BRANCH=Zork
Change-Id: I1433f028afb794fe3e397b03f5bd0565494c8130
Signed-off-by: Rob Barnes <robbarnes@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45343
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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Add ability to decode basic fields of DDR4 SPDs and produce SMBIOS table
17. XMP, schemas, extended field parising is totally not yet implemented.
Also, put CRC function used in DDR2, DDR3 and DDR4 ina common file.
Signed-off-by: Andrey Petrov <anpetrov@fb.com>
Change-Id: If3befbc55cf37e1018baa432cb2f03743b929211
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34680
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
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Decode DDR2 SPD similar to DDR3 SPD decoder to ease
readability, reduce code complexity and reduce size of
maintainable code.
Rename dimm_is_registered to spd_dimm_is_registered_ddr3 to avoid
compilation errors.
Change-Id: I741f0e61ab23e3999ae9e31f57228ba034c2509e
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/18273
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins)
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It's an attempt to consolidate the access code, even if there are still
multiple implementations in the code.
Change-Id: I4b2b9cbc24a445f8fa4e0148f52fd15950535240
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: https://review.coreboot.org/18265
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This code is not specific to any board or AGESA family.
Change-Id: I26c32fbe8e45018e239762b072dfe3da05271697
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5690
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
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