URL https://opencores.org/ocsvn/spi_boot/spi_boot/trunk

Subversion Repositories spi_boot

[/] [spi_boot/] [tags/] [rel_3_2_rev_C/] [README] - Diff between revs 49 and 72

Rev 49	Rev 72
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`README for the spi_boot core`	`README for the spi_boot core`
`============================`	`============================`
`Version: $Date: 2005-04-14 21:32:58 $`	`Version: $Date: 2007-08-08 22:55:46 $`
	$Name: not supported by cvs2svn $


`Description`	`Description`
`-----------`	`-----------`

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`All this works perfectly for my Spartan IIe device as this FPGA expects the`	`All this works perfectly for my Spartan IIe device as this FPGA expects the`
`configuration data as it is delivered from the card: Consecutive bytes each`	`configuration data as it is delivered from the card: Consecutive bytes each`
`with its most significant bit first. Altera devices like the FLEX family are`	`with its most significant bit first. Altera devices like the FLEX family are`
`different here. They expect the bytes with least significant bit`	`different here. They expect the bytes with least significant bit`
`first. Therefore, the configuration data has to be swapped bitwise before it`	`first. Therefore, the configuration data has to be swapped bitwise before it`
`is written to the card.`	`is written to the card. Michael Libeskind kindly provided a program that`
	`accimplishes this task. Find it in sw/misc/bit_reverse.c.`


`Verification`	`Verification`
`------------`	`------------`