diff options
Diffstat (limited to 'techlibs/nexus/brams.txt')
| -rw-r--r-- | techlibs/nexus/brams.txt | 108 |
1 files changed, 46 insertions, 62 deletions
diff --git a/techlibs/nexus/brams.txt b/techlibs/nexus/brams.txt index 086afe8bf..975a8d227 100644 --- a/techlibs/nexus/brams.txt +++ b/techlibs/nexus/brams.txt @@ -1,63 +1,47 @@ -bram $__NX_PDP16K - init 1 +ram block $__NX_DP16K_ { + abits 14; + widths 1 2 4 9 18 per_port; + byte 9; + cost 129; + init no_undef; + port srsw "A" "B" { + clock posedge; + clken; + wrbe_separate; + rdwr no_change; + portoption "RESETMODE" "SYNC" { + rdsrst zero gated_clken; + } + portoption "RESETMODE" "ASYNC" { + rdarst zero; + } + rdinit zero; + } +} - abits 9 @a9d36 - dbits 36 @a9d36 - abits 10 @a10d18 - dbits 18 @a10d18 - abits 11 @a11d9 - dbits 9 @a11d9 - abits 12 @a12d4 - dbits 4 @a12d4 - abits 13 @a13d2 - dbits 2 @a13d2 - abits 14 @a14d1 - dbits 1 @a14d1 - - groups 2 - ports 1 1 - wrmode 1 0 - enable 4 1 @a9d36 - enable 2 1 @a10d18 - enable 1 1 @a11d9 @a12d4 @a13d2 @a14d1 - transp 0 0 - clocks 2 3 - clkpol 2 3 -endbram - -match $__NX_PDP16K - # implicitly requested RAM or ROM - attribute !syn_ramstyle syn_ramstyle=auto - attribute !syn_romstyle syn_romstyle=auto - attribute !ram_block - attribute !rom_block - attribute !logic_block - min bits 2048 - min efficiency 5 - shuffle_enable A - make_transp - or_next_if_better -endmatch - -match $__NX_PDP16K - # explicitly requested RAM - attribute syn_ramstyle=block_ram ram_block - attribute !syn_romstyle - attribute !rom_block - attribute !logic_block - min wports 1 - shuffle_enable A - make_transp - or_next_if_better -endmatch - -match $__NX_PDP16K - # explicitly requested ROM - attribute syn_romstyle=ebr rom_block - attribute !syn_ramstyle - attribute !ram_block - attribute !logic_block - max wports 0 - make_transp - shuffle_enable A -endmatch +ram block $__NX_PDP16K_ { + abits 14; + widths 1 2 4 9 18 36 per_port; + byte 9; + option "SAME_CLOCK" 1 cost 128; + option "SAME_CLOCK" 0 cost 129; + init no_undef; + port sr "R" { + option "SAME_CLOCK" 1 clock posedge "C"; + option "SAME_CLOCK" 0 clock posedge; + clken; + portoption "RESETMODE" "SYNC" { + rdsrst zero gated_clken; + } + portoption "RESETMODE" "ASYNC" { + rdarst zero; + } + rdinit zero; + } + port sw "W" { + option "SAME_CLOCK" 1 clock posedge "C"; + option "SAME_CLOCK" 0 clock posedge; + clken; + option "SAME_CLOCK" 1 wrtrans all old; + } +} |