For xc7z boards the Debug bitstream is unavailable. To get the necessary
information we can use the FAR addresses present in the perframecrc
bitstream.
The gen_part_base_yaml tool has been modified to have the possibility to
read the FAR addresses depending on a flag setting.
Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
ConfigurationFrameAddress row-half and row fields translate directly to
the clock region structure used in 7-series parts. Break these concepts
out into separate classes and encode them as such in Part YAML.
Columns within a row are more complicated. Column indices are relative
to a BlockType. Think of each BlockType as a data bus that terminates at
some particular tile type (e.g. CLB_IO_CLK maps to INT_{L,R} tiles).
Column indices act as addresses of endpoints on the associated BlockType
bus. As the bus is 1 frame (101 words, 404 bytes) wide, each endpoint
feeds frames into multiple tiles simultaneously.
Minor addresses are frame addresses within a BlockType bus endpoint.
These can refer to frames either stored within the endpoint tiles
or in tiles chained behind them.
Note that a given tile can be connected on multiple BlockType buses.
For example, block RAMs appear to be attached both by being chained
behind an INT_{L,R} on the CLB_IO_CLK bus as well as being a direct
endpoint on the BLOCK_RAM bus. Due to this, tiles conceptually belong
to the row rather than a single column.
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Frame addresses are only used in the context of configuration frames.
Remove the prefix to reduce typing that does not improve clarity.
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
MemoryMappedFile's data() method returns a void* as it has no idea what
type the contents are. Viewing it as bytes is a very common operation
so add a convience method that wraps the pointer in a Span<uint8_t>.
Signed-off-by: Rick Altherr <kc8apf@kc8apf.net>
Tomasz Michalak
Alessandro Comodi
Rick Altherr