| #!/usr/bin/env python3 |
| |
| from prjxray import util |
| ''' |
| Local utils script to hold shared code of the 005-tilegrid fuzzer scripts |
| ''' |
| |
| |
| def get_entry(tile_type, block_type): |
| """ Get frames and words for a given tile_type (e.g. CLBLL) and block_type (CLB_IO_CLK, BLOCK_RAM, etc). """ |
| return { |
| # (tile_type, block_type): (frames, words, height) |
| ("CLBLL", "CLB_IO_CLK"): (36, 2, None), |
| ("CLBLM", "CLB_IO_CLK"): (36, 2, None), |
| ("HCLK", "CLB_IO_CLK"): (26, 1, None), |
| ("INT", "CLB_IO_CLK"): (28, 2, None), |
| ("BRAM", "CLB_IO_CLK"): (28, 10, None), |
| ("BRAM", "BLOCK_RAM"): (128, 10, None), |
| ("DSP", "CLB_IO_CLK"): (28, 2, None), |
| }.get((tile_type, block_type), None) |
| |
| |
| def get_int_params(): |
| int_frames, int_words, _ = get_entry('INT', 'CLB_IO_CLK') |
| return int_frames, int_words |
| |
| |
| def add_tile_bits( |
| tile_name, tile_db, baseaddr, offset, frames, words, verbose=False): |
| ''' |
| Record data structure geometry for the given tile baseaddr |
| For most tiles there is only one baseaddr, but some like BRAM have multiple |
| Notes on multiple block types: |
| https://github.com/SymbiFlow/prjxray/issues/145 |
| ''' |
| bits = tile_db['bits'] |
| block_type = util.addr2btype(baseaddr) |
| |
| assert offset <= 100, (tile_name, offset) |
| # Few rare cases at X=0 for double width tiles split in half => small negative offset |
| assert offset >= 0 or "IOB" in tile_name, ( |
| tile_name, hex(baseaddr), offset) |
| assert 1 <= words <= 101, words |
| assert offset + words <= 101, ( |
| tile_name, offset + words, offset, words, block_type) |
| |
| baseaddr_str = '0x%08X' % baseaddr |
| block = bits.get(block_type, None) |
| if block is not None: |
| verbose and print( |
| "%s: existing defintion for %s" % (tile_name, block_type)) |
| assert block["baseaddr"] == baseaddr_str |
| assert block["frames"] == frames, (block, frames) |
| assert block["offset"] == offset, "%s; orig offset %s, new %s" % ( |
| tile_name, block["offset"], offset) |
| assert block["words"] == words |
| return |
| block = bits.setdefault(block_type, {}) |
| |
| # FDRI address |
| block["baseaddr"] = baseaddr_str |
| # Number of frames this entry is sretched across |
| # that is the following FDRI addresses are used: range(baseaddr, baseaddr + frames) |
| block["frames"] = frames |
| |
| # Index of first word used within each frame |
| block["offset"] = offset |
| |
| # Number of words used by tile. |
| block["words"] = words |
