20 lines
665 B
Diff
20 lines
665 B
Diff
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Subject: decode-dimms: Fix DDR3 tRAS decoding
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Upstream: yes, r6152
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DDR3: Use the right nibble from byte 21 as the MSB of tRAS.
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---
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eeprom/decode-dimms | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/eeprom/decode-dimms
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+++ b/eeprom/decode-dimms
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@@ -1217,7 +1217,7 @@ sub decode_ddr3_sdram($)
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$taa = int($bytes->[16] / $bytes->[12]);
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$trcd = int($bytes->[18] / $bytes->[12]);
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$trp = int($bytes->[20] / $bytes->[12]);
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- $tras = int((($bytes->[21] >> 4) * 256 + $bytes->[22]) / $bytes->[12]);
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+ $tras = int(((($bytes->[21] & 0x0f) << 8) + $bytes->[22]) / $bytes->[12]);
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printl("tCL-tRCD-tRP-tRAS", join("-", $taa, $trcd, $trp, $tras));
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