From 47b5a9820f2f95fda349f298054ca40cc2149548 Mon Sep 17 00:00:00 2001 From: Nick Vaccaro Date: Thu, 21 May 2020 10:54:55 -0700 Subject: [PATCH] mb/google/volteer: set DRAM Max Cycle Time to 15 The DRAM Max Cycle Time (tCKmax) for Samsung's K4UBE3D4AA-MGCL DRAM part should be set to 0xF. BUG=b:157178553, b:156555863 TEST="emerge-volteer coreboot chromeos-bootimage", flash and boot a SKU4 volteer to the kernel and run "memtester 6G 100" and verify it completes successfully without error and does not crash. Change-Id: Id95b19fe261e3f57a52a43055acab99af66b14ab Signed-off-by: Nick Vaccaro Reviewed-on: https://review.coreboot.org/c/coreboot/+/41634 Reviewed-by: Tim Wawrzynczak Reviewed-by: Duncan Laurie Tested-by: build bot (Jenkins) --- .../spd/SPD_LPDDR4X_200b_8bank_2Rx16_32Gb_DDP_4267.spd.hex | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mainboard/google/volteer/variants/volteer/spd/SPD_LPDDR4X_200b_8bank_2Rx16_32Gb_DDP_4267.spd.hex b/src/mainboard/google/volteer/variants/volteer/spd/SPD_LPDDR4X_200b_8bank_2Rx16_32Gb_DDP_4267.spd.hex index 90202f983c..778967d5e7 100644 --- a/src/mainboard/google/volteer/variants/volteer/spd/SPD_LPDDR4X_200b_8bank_2Rx16_32Gb_DDP_4267.spd.hex +++ b/src/mainboard/google/volteer/variants/volteer/spd/SPD_LPDDR4X_200b_8bank_2Rx16_32Gb_DDP_4267.spd.hex @@ -1,5 +1,5 @@ 23 11 11 0E 15 21 B5 08 00 00 00 00 0A 01 00 00 -48 00 04 00 92 54 05 00 87 00 90 A8 90 C0 08 60 +48 00 04 0F 92 54 05 00 87 00 90 A8 90 C0 08 60 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00