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authorMatt DeVillier <matt.devillier@amd.corp-partner.google.com>2022-08-22 17:30:00 -0500
committerMartin L Roth <gaumless@gmail.com>2022-08-25 01:01:29 +0000
commit32bb6b6500eab66658928c5930e899577e5a44b8 (patch)
tree906e285baaf42dbce23b7854a615c78f3acb9b5a /src/soc/amd
parentbb9d106eab6212229fb1d6d4645f93bb883850ac (diff)
soc/amd/common/fsp/dmi: Translate DRAM speeds for (LP)DDR5
Hook up newly-added method to convert from frequency to MT/s so that boards which use (LP)DDR5 report their capability properly. BUG=b:239000826 TEST=build/boot google/skyrim, verify SMBIOS Type 17 table reports DRAM speeds correctly. Change-Id: I694b6c227a8d8fb40c897053808bc79df330ed0c Signed-off-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66954 Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Raul Rangel <rrangel@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/soc/amd')
-rw-r--r--src/soc/amd/common/fsp/dmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/amd/common/fsp/dmi.c b/src/soc/amd/common/fsp/dmi.c
index b500155a03..872417ba44 100644
--- a/src/soc/amd/common/fsp/dmi.c
+++ b/src/soc/amd/common/fsp/dmi.c
@@ -16,6 +16,7 @@
#include <dmi_info.h>
#include <device/dram/ddr4.h>
#include <device/dram/lpddr4.h>
+#include <device/dram/ddr5.h>
/**
* Convert DDR clock speed (based on memory type) in MHz to the standard reported speed in MT/s
@@ -27,6 +28,9 @@ static uint16_t ddr_speed_mhz_to_reported_mts(uint16_t ddr_type, uint16_t speed)
return ddr4_speed_mhz_to_reported_mts(speed);
case MEMORY_TYPE_LPDDR4:
return lpddr4_speed_mhz_to_reported_mts(speed);
+ case MEMORY_TYPE_DDR5:
+ case MEMORY_TYPE_LPDDR5:
+ return ddr5_speed_mhz_to_reported_mts(speed);
default:
printk(BIOS_ERR, "Unknown memory type %x\n", ddr_type);
return 0;