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[Bug 1001069] New: SST 39VFxxx bad command code for erasing block
- From: bugzilla-daemon at bugs dot ecos dot sourceware dot org
- To: ecos-bugs at ecos dot sourceware dot org
- Date: Mon, 8 Nov 2010 13:03:16 +0000
- Subject: [Bug 1001069] New: SST 39VFxxx bad command code for erasing block
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Summary: SST 39VFxxx bad command code for erasing block
Product: eCos
Version: CVS
Platform: Other (please specify)
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: low
Component: Flash
AssignedTo: unassigned@bugs.ecos.sourceware.org
ReportedBy: jf.argentino@osean.fr
CC: ecos-bugs@ecos.sourceware.org
Class: Advice Request
Created an attachment (id=1009)
--> (http://bugs.ecos.sourceware.org/attachment.cgi?id=1009)
patch proposal
Current SST 39VFxxx driver use command code "0x30" to erase a block, but it
must use the command code "0x50" instead.
In fact, according to the SST 39VF640 datasheet, Sector-Erase (0x50) erase
2Kword while Block-Erase (0x30) erase 32Kword.
Attached a patch against the CVS head which use the 0x50 op-code and add
support for 39VF6401B and 39VF6402B.
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