From 0ac29ad3ce7340c462d9580aafc6f965a3014137 Mon Sep 17 00:00:00 2001 From: Maximilian Brune Date: Thu, 12 Sep 2024 17:36:13 -0700 Subject: [PATCH] device/dram/ddr5: Add 7500 MT/s support Before I got the following error: [ERROR] DDR5 speed of 3750 MHz is out of range tested: glinda based mainboard Change-Id: I141f63c4fc505a9e16eed132a9a550441f4ad68d Signed-off-by: Maximilian Brune Reviewed-on: https://review.coreboot.org/c/coreboot/+/86543 Reviewed-by: Paul Menzel Reviewed-by: Alicja Michalska Reviewed-by: Andy Ebrahiem Reviewed-by: Marvin Drees Tested-by: build bot (Jenkins) Reviewed-by: Angel Pons Reviewed-by: Naresh Solanki --- src/device/dram/ddr5.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/device/dram/ddr5.c b/src/device/dram/ddr5.c index b546abf4d4..90b67f857b 100644 --- a/src/device/dram/ddr5.c +++ b/src/device/dram/ddr5.c @@ -21,6 +21,7 @@ enum ddr5_speed_grade { DDR5_5500, DDR5_6000, DDR5_6400, + DDR5_7500, }; struct ddr5_speed_attr { @@ -108,6 +109,11 @@ static const struct ddr5_speed_attr ddr5_speeds[] = { .max_clock_mhz = 3200, .reported_mts = 6400 }, + [DDR5_7500] = { + .min_clock_mhz = 3201, + .max_clock_mhz = 3750, + .reported_mts = 7500 + }, }; /**