Files
FPGA-Neural/hardware/v3/rtl
micheleandClaude Sonnet 5 786464ee21 feat: host_mem_bridge.v, word<->burst translator for host DDR3 access (EXP-0071)
Closes part of the gap found re-auditing spi_host_bridge.v against V3:
V3 had no host raw-memory-access path into DDR3 at all. This module
translates single-16-bit-word req/wr/addr/wdata/lb_n/ub_n transactions
(spi_host_bridge.v's own WRITE_MEM/READ_MEM shape) into BURST_LEN=8
transactions on the shared arbiter, using the project's existing
DQM-style partial-burst masking technique.

Verified standalone against the SDR SDRAM placeholder: 16/16 tests,
0 errors, including cross-word-corruption checks on every burst
offset. Not yet wired into the N=2 system or driven by real SPI
opcode decode.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MUG92aM9m68TRc4rG55BcC
2026-09-17 08:53:23 +02:00
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