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util/spd_tools/lp4x: Update README 

The lp4x spd_tools also support Alder Lake (ADL), so update the the
README to reflect this fact.

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: Iedb1ea1c3558e5f179feac2c725667db5b327b2e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56857
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Tim Wawrzynczak 2021-08-06 09:29:30 -06:00 committed by Nick Vaccaro
parent a7a49e64c8
commit 0e5b713d32
1 changed files with 10 additions and 9 deletions
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19
util/spd_tools/lp4x/README.md
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# LPDDR4x SPD tools README # LPDDR4x SPD tools README
Tools for generating SPD files for LPDDR4x memory used in memory down Tools for generating SPD files for LPDDR4x memory used in memory down
configurations on Intel Tiger Lake (TGL) and Jasper Lake (JSL) based configurations on Intel Tiger Lake (TGL), Jasper Lake (JSL), and Alder
platforms. These tools generate SPDs following JESD209-4C Lake (ADL) based platforms. These tools generate SPDs following
specification and Intel recommendations (doc #616599, #610202) for JESD209-4C specification and Intel recommendations (doc #616599,
LPDDR4x SPD. #610202, #634730) for LPDDR4x SPD.
There are two tools provided that assist TGL and JSL based mainboards There are two tools provided that assist TGL, JSL and ADL based
to generate SPDs and Makefile to integrate these SPDs in coreboot mainboards to generate SPDs and Makefile to integrate these SPDs in
build. These tools can also be used to allocate DRAM IDs (configure coreboot build. These tools can also be used to allocate DRAM IDs
DRAM hardware straps) for any LPDDR4x memory part used by the board. (configure DRAM hardware straps) for any LPDDR4x memory part used by the
board.
* gen_spd.go: Generates de-duplicated SPD files using a global memory * gen_spd.go: Generates de-duplicated SPD files using a global memory
part list provided by the mainboard in JSON format. Additionally, part list provided by the mainboard in JSON format. Additionally,
@ -32,7 +33,7 @@ This program takes as input:
attributes as per the datasheet. This is the list of all known attributes as per the datasheet. This is the list of all known
LPDDR4x memory parts irrespective of their usage on the board. LPDDR4x memory parts irrespective of their usage on the board.
* SoC platform name for which the SPDs are being generated. Currently * SoC platform name for which the SPDs are being generated. Currently
supported platform names are `TGL` and `JSL`. supported platform names are `TGL`, `JSL` and `ADL`.
Input JSON file requires the following two fields for every memory part: Input JSON file requires the following two fields for every memory part:
* `name`: Name of the memory part * `name`: Name of the memory part