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authorDouglas Anderson <dianders@chromium.org>2016-06-07 13:49:50 -0700
committerMartin Roth <martinroth@google.com>2016-06-21 22:52:32 +0200
commite00b2de71cc234a9d043125539d503bbaf08aa26 (patch)
tree9908d24e81ed10047a088105540fa1ed1ba99503 /src/mainboard
parent9a5c4fefec14302ca70e8f1ac046ce03fcbb728b (diff)
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: I2417f93f65b1491a028a63ce563ed7dd7831becc Signed-off-by: Martin Roth <martinroth@chromium.org> Original-Commit-Id: Original-Change-Id: I02182b25e677e27e8541445938f9da9ae9553fa6 Original-Signed-off-by: Douglas Anderson <dianders@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/350480 Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org> Reviewed-on: https://review.coreboot.org/15120 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/gru/sdram_inf/gru-sdram-lpddr3-hynix-4GB.inc2
-rw-r--r--src/mainboard/google/gru/sdram_inf/kevin-sdram-lpddr3-hynix-4GB.inc2
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,