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[DO NOT MERGE] #13082

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[DO NOT MERGE] #13082

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davids5
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@davids5 davids5 commented Oct 2, 2019

@igalloway Here is a Hack to Dump the RAMTRON info

K66 The is retaining parameters.
PN of chip
image

Expected:

WARN [mtd] mtd name:FM25V02A, id1:0x22 id2:0x08 size:0x00008000 speed:40000000

K66 not retaining parameters.
PN of chip
image

WARN [mtd] mtd name:FM25V10, id1:0x24 id2:0x00 size:0x00020000 speed:40000000

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A second batch board that works ok
WARN [mtd] mtd name:FM25V02A, id1:0x22 id2:0x08 size:0x00008000 speed:40000000

A fIrst batch board that works ok
WARN [mtd] mtd name:FM25V02A, id1:0x22 id2:0x08 size:0x00008000 speed:40000000

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davids5 commented Oct 3, 2019

Just for the record.

I have done more testing. When we write a block of 0xffff X 128 we get back 0x00ff X 128

I believe these parts are mis-configured (bonded or fused) from the factory or possibly are counterfeit.

the `mtd rwtest' would not detect this because it does a read then write.

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davids5 commented Oct 30, 2019

For test purposes only. Closed with out merging

@davids5 davids5 closed this Oct 30, 2019
@LorenzMeier LorenzMeier deleted the master_test_only_k66 branch January 18, 2021 14:40
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