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google/kahlee: Use devicetree register values for UMA 

Set the UMA memory size to 128 MiB. This value was empirically tested
by AMD as the lowest value one could use.

BUG=b:64927639

TEST=default, and 64, 128, 256, 384MB non-legacy configurations.

Change-Id: I2bc808d8b402c3eb16a1a5962f3fa9d6b224cf52
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/21335
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Marshall Dawson 2017-09-25 12:04:18 -06:00 committed by Aaron Durbin
parent 36dbf1d74a
commit f79b636088
1 changed files with 2 additions and 0 deletions
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2
src/mainboard/google/kahlee/variants/kahlee/devicetree.cb
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@ -19,6 +19,8 @@ chip soc/amd/stoneyridge
{ {0xA0, 0x00} }, // socket 0 - Channel 0, slot 0
}"
register "dram_clear_on_reset" = "DRAM_CONTENTS_KEEP"
register "uma_mode" = "UMAMODE_SPECIFIED_SIZE"
register "uma_size" = "128 * MiB"
device cpu_cluster 0 on
device lapic 10 on end