diff options
| -rw-r--r-- | techlibs/ecp5/synth_ecp5.cc | 4 | ||||
| -rw-r--r-- | tests/arch/ecp5/memories.ys | 78 |
2 files changed, 65 insertions, 17 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index d47b2bed4..793ea15aa 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -279,7 +279,9 @@ struct SynthEcp5Pass : public ScriptPass if (check_label("map_ffram")) { run("opt -fast -mux_undef -undriven -fine"); - run("memory_map"); + run("memory_map -iattr -attr !ram_block -attr !rom_block -attr logic_block " + "-attr syn_ramstyle=auto -attr syn_ramstyle=registers " + "-attr syn_romstyle=auto -attr syn_romstyle=logic"); run("opt -undriven -fine"); } diff --git a/tests/arch/ecp5/memories.ys b/tests/arch/ecp5/memories.ys index 64005ba0b..e1f748e26 100644 --- a/tests/arch/ecp5/memories.ys +++ b/tests/arch/ecp5/memories.ys @@ -50,15 +50,25 @@ design -reset; read_verilog ../common/blockram.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_ram_sdp setattr -set syn_romstyle "ebr" m:memory synth_ecp5 -top sync_ram_sdp; cd sync_ram_sdp -select -assert-count 0 t:PDPW16KD # requested BROM but this is a RAM -select -assert-count 180 t:TRELLIS_FF +select -assert-count 1 t:$mem # requested BROM but this is a RAM design -reset; read_verilog ../common/blockram.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_ram_sdp setattr -set rom_block 1 m:memory synth_ecp5 -top sync_ram_sdp; cd sync_ram_sdp -select -assert-count 0 t:PDPW16KD # requested BROM but this is a RAM -select -assert-count 180 t:TRELLIS_FF +select -assert-count 1 t:$mem # requested BROM but this is a RAM + +design -reset; read_verilog ../common/blockram.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_ram_sdp +setattr -set syn_ramstyle "block_ram" m:memory +synth_ecp5 -top sync_ram_sdp -nobram; cd sync_ram_sdp +select -assert-count 1 t:$mem # requested BRAM but BRAM is disabled + +design -reset; read_verilog ../common/blockram.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_ram_sdp +setattr -set ram_block 1 m:memory +synth_ecp5 -top sync_ram_sdp -nobram; cd sync_ram_sdp +select -assert-count 1 t:$mem # requested BRAM but BRAM is disabled # RAM bits <= 18K; Data width <= 18; Address width <= 10: -> DP16KD @@ -131,15 +141,25 @@ design -reset; read_verilog ../common/blockram.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_ram_sdp setattr -set syn_romstyle "ebr" m:memory synth_ecp5 -top sync_ram_sdp; cd sync_ram_sdp -select -assert-count 0 t:DP16KD # requested BROM but this is a RAM -select -assert-count 90 t:TRELLIS_FF +select -assert-count 1 t:$mem # requested BROM but this is a RAM design -reset; read_verilog ../common/blockram.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_ram_sdp setattr -set rom_block 1 m:memory synth_ecp5 -top sync_ram_sdp; cd sync_ram_sdp -select -assert-count 0 t:DP16KD # requested BROM but this is a RAM -select -assert-count 90 t:TRELLIS_FF +select -assert-count 1 t:$mem # requested BROM but this is a RAM + +design -reset; read_verilog ../common/blockram.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_ram_sdp +setattr -set syn_ramstyle "block_ram" m:memory +synth_ecp5 -top sync_ram_sdp -nobram; cd sync_ram_sdp +select -assert-count 1 t:$mem # requested BRAM but BRAM is disabled + +design -reset; read_verilog ../common/blockram.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_ram_sdp +setattr -set ram_block 1 m:memory +synth_ecp5 -top sync_ram_sdp -nobram; cd sync_ram_sdp +select -assert-count 1 t:$mem # requested BRAM but BRAM is disabled # RAM bits <= 64; Data width <= 4; Address width <= 4: -> DPR16X4 @@ -170,6 +190,12 @@ synth_ecp5 -top sync_ram_sdp; cd sync_ram_sdp select -assert-count 0 t:TRELLIS_DPR16X4 # requested FFRAM explicitly select -assert-count 68 t:TRELLIS_FF +design -reset; read_verilog ../common/blockram.v +chparam -set ADDRESS_WIDTH 4 -set DATA_WIDTH 4 sync_ram_sdp +setattr -set syn_ramstyle "distributed" m:memory +synth_ecp5 -top sync_ram_sdp -nolutram; cd sync_ram_sdp +select -assert-count 1 t:$mem # requested LUTRAM but LUTRAM is disabled + # ================================ ROM ================================ # ROM bits <= 18K; Data width <= 36; Address width <= 9: -> PDPW16KD @@ -217,15 +243,25 @@ design -reset; read_verilog ../common/blockrom.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_rom setattr -set syn_ramstyle "block_ram" m:memory synth_ecp5 -top sync_rom; cd sync_rom -select -assert-count 0 t:PDPW16KD # requested BRAM but this is a ROM -select -assert-min 18 t:LUT4 +select -assert-count 1 t:$mem # requested BRAM but this is a ROM design -reset; read_verilog ../common/blockrom.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_rom setattr -set ram_block 1 m:memory synth_ecp5 -top sync_rom; cd sync_rom -select -assert-count 0 t:PDPW16KD # requested BRAM but this is a ROM -select -assert-min 18 t:LUT4 +select -assert-count 1 t:$mem # requested BRAM but this is a ROM + +design -reset; read_verilog ../common/blockrom.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_rom +setattr -set syn_ramstyle "block_rom" m:memory +synth_ecp5 -top sync_rom -nobram; cd sync_rom +select -assert-count 1 t:$mem # requested BROM but BRAM is disabled + +design -reset; read_verilog ../common/blockrom.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 36 sync_rom +setattr -set rom_block 1 m:memory +synth_ecp5 -top sync_rom -nobram; cd sync_rom +select -assert-count 1 t:$mem # requested BROM but BRAM is disabled # ROM bits <= 18K; Data width <= 18; Address width <= 10: -> DP16KD @@ -273,12 +309,22 @@ design -reset; read_verilog ../common/blockrom.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_rom setattr -set syn_ramstyle "block_ram" m:memory synth_ecp5 -top sync_rom; cd sync_rom -select -assert-count 0 t:DP16KD # requested BRAM but this is a ROM -select -assert-min 9 t:LUT4 +select -assert-count 1 t:$mem # requested BRAM but this is a ROM design -reset; read_verilog ../common/blockrom.v chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_rom setattr -set ram_block 1 m:memory synth_ecp5 -top sync_rom; cd sync_rom -select -assert-count 0 t:DP16KD # requested BRAM but this is a ROM -select -assert-min 9 t:LUT4 +select -assert-count 1 t:$mem # requested BRAM but this is a ROM + +design -reset; read_verilog ../common/blockrom.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_rom +setattr -set syn_ramstyle "block_rom" m:memory +synth_ecp5 -top sync_rom -nobram; cd sync_rom +select -assert-count 1 t:$mem # requested BROM but BRAM is disabled + +design -reset; read_verilog ../common/blockrom.v +chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 18 sync_rom +setattr -set rom_block 1 m:memory +synth_ecp5 -top sync_rom -nobram; cd sync_rom +select -assert-count 1 t:$mem # requested BROM but BRAM is disabled |