From e954b93ae98299baca70ca6eed045aa4067d5ecb Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Tue, 7 Jun 2016 13:49:50 -0700 Subject: [PATCH] rockchip: kevin/gru: Slow memory down to 300 MHz At the higher speeds stressapptest shows memory errors. We don't want to track down random problems due to simple memory corruption, so slow memory back down to 300 MHz until someone figures out how to make it faster without sacrificing reliability. BRANCH=None BUG=chrome-os-partner:54144 TEST=stressapptest -M 1024 -s 240 Change-Id: I02182b25e677e27e8541445938f9da9ae9553fa6 Signed-off-by: Douglas Anderson Reviewed-on: https://chromium-review.googlesource.com/350480 Reviewed-by: Vadim Bendebury --- .../google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc | 2 +- .../google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc b/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc index 41643f36b2..05ad2fdfc7 100644 --- a/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc +++ b/src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc @@ -52,7 +52,7 @@ } } }, - .ddr_freq = 928*MHz, + .ddr_freq = 300*MHz, .dramtype = LPDDR3, .num_channels = 2, .stride = 13, diff --git a/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc b/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc index 31b45546c0..9a890af339 100644 --- a/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc +++ b/src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc @@ -51,7 +51,7 @@ } } }, - .ddr_freq = 666*MHz, + .ddr_freq = 300*MHz, .dramtype = LPDDR3, .num_channels = 2, .stride = 13,