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Known bugs of the spi_boot core
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Known bugs of the spi_boot core
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===============================
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===============================
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Version: $Date: 2007-08-08 00:40:46 $
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Version: $Id: KNOWN_BUGS 77 2009-04-01 19:53:14Z arniml $
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$Name: not supported by cvs2svn $
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Release 3.1, Rev C
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Release 3.1, Rev C
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------------------
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*******************************************************************************
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*******************************************************************************
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CMD55 assumed to be nonexistent for MMC
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CMD55 assumed to be nonexistent for MMC
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The controller FSM assumes that MMC cards result with
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The controller FSM assumes that MMC cards result with
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"Illegal Command" from CMD55. The card will be detected as an MMC once CMD55
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"Illegal Command" from CMD55. The card will be detected as an MMC once CMD55
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has been accepted. However, the MMC standard defines this command,
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has been accepted. However, the MMC standard defines this command,
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thus it is not save to rely on its nonexistence. Instead also a path from
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thus it is not save to rely on its nonexistence. Instead also a path from
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ACMD41 to CMD1 should be established.
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ACMD41 to CMD1 should be established.
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Fixed in:
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Fixed in:
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spi_boot.vhd 1.11
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spi_boot.vhd 1.11
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Fix will be included in next release.
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Fix will be included in next release.
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Release 3.0, Rev C
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Release 3.0, Rev C
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------------------
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*******************************************************************************
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*******************************************************************************
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CMD55 assumed to be nonexistent for MMC
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CMD55 assumed to be nonexistent for MMC
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See above.
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See above.
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Release 2.0, Rev B
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Release 2.0, Rev B
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*******************************************************************************
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*******************************************************************************
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CMD55 assumed to be nonexistent for MMC
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CMD55 assumed to be nonexistent for MMC
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See above.
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See above.
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Release 1.0, Rev A
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Release 1.0, Rev A
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------------------
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*******************************************************************************
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*******************************************************************************
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CMD55 assumed to be nonexistent for MMC
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CMD55 assumed to be nonexistent for MMC
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See above.
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See above.
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