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mb/system76/rpl: Allow 5600 MT/s memory for RPL-HX 

System76 only sells units with memory speeds up to 5200 MT/s, but the
i9-13900HX supports up to 5600 MT/s memory.

Tested by running memtest and checking dmidecode reports 5600 MT/s when
using 2x16 GB 5600 MT/s Crucial SODIMMs (CT2K16G56C46S5) on addw3,
bonw15, serw13.

Change-Id: I9bb0435769c70c1db06d2c5cca2dd28eb5331f49
Signed-off-by: Matt Parnell <mparnell@gmail.com>
Signed-off-by: Tim Crawford <tcrawford@system76.com>
Tested-by: Levi Portenier <levi@system76.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78912
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Matt Parnell 2023-09-11 23:16:25 -05:00 committed by Felix Held
parent a03999be25
commit 84e8037a43
3 changed files with 6 additions and 6 deletions
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4
src/mainboard/system76/rpl/variants/addw3/overridetree.cb
View File

@ -1,6 +1,6 @@
chip soc/intel/alderlake
# Support 5200 MT/s memory
register "max_dram_speed_mts" = "5200"
# Support 5600 MT/s memory
register "max_dram_speed_mts" = "5600"
device domain 0 on
subsystemid 0x1558 0xa671 inherit

4
src/mainboard/system76/rpl/variants/bonw15/overridetree.cb
View File

@ -1,6 +1,6 @@
chip soc/intel/alderlake
# Support 5200 MT/s memory
register "max_dram_speed_mts" = "5200"
# Support 5600 MT/s memory
register "max_dram_speed_mts" = "5600"
device domain 0 on
subsystemid 0x1558 0x3702 inherit

4
src/mainboard/system76/rpl/variants/serw13/overridetree.cb
View File

@ -1,6 +1,6 @@
chip soc/intel/alderlake
# Support 5200 MT/s memory
register "max_dram_speed_mts" = "5200"
# Support 5600 MT/s memory
register "max_dram_speed_mts" = "5600"
device domain 0 on
subsystemid 0x1558 0xd502 inherit