diff options
Diffstat (limited to 'techlibs/ice40/brams_init.py')
| -rw-r--r-- | techlibs/ice40/brams_init.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/techlibs/ice40/brams_init.py b/techlibs/ice40/brams_init.py new file mode 100644 index 000000000..4a1485110 --- /dev/null +++ b/techlibs/ice40/brams_init.py @@ -0,0 +1,14 @@ +#!/usr/bin/env python3 + +def write_init_vh(filename, initbits): + with open(filename, "w") as f: + for i in range(16): + print("localparam [255:0] INIT_%X = {" % i, file=f) + for k in range(32): + print(" %s%s" % (", ".join(["INIT[%4d]" % initbits[i*256 + 255 - k*8 - l] for l in range(8)]), "," if k != 31 else ""), file=f) + print("};", file=f); + +write_init_vh("techlibs/ice40/brams_init1.vh", [i//2 + 2048*(i%2) for i in range(4096)]) +write_init_vh("techlibs/ice40/brams_init2.vh", [i//4 + 1024*(i%4) for i in range(4096)]) +write_init_vh("techlibs/ice40/brams_init3.vh", [i//8 + 512*(i%8) for i in range(4096)]) + |