mirror of
https://github.com/YosysHQ/yosys
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nexus: Add LRAM inference
Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah
parent
264e924abb
commit
17812a1560
5 changed files with 227 additions and 1 deletions
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@ -9,6 +9,9 @@ $(eval $(call add_share_file,share/nexus,techlibs/nexus/lutrams.txt))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/brams_init.vh))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/brams_map.v))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/brams.txt))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/lrams_init.vh))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/lrams_map.v))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/lrams.txt))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/arith_map.v))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/latches_map.v))
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$(eval $(call add_share_file,share/nexus,techlibs/nexus/dsp_map.v))
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22
techlibs/nexus/lrams.txt
Normal file
22
techlibs/nexus/lrams.txt
Normal file
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@ -0,0 +1,22 @@
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bram $__NX_PDPSC512K
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init 1
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abits 14
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dbits 32
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groups 2
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ports 1 1
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wrmode 1 0
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enable 4 1
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transp 0 0
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clocks 2 2
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clkpol 2 2
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endbram
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match $__NX_PDPSC512K
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# explicitly requested LRAM only, due to limited availability and
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# slower Fmax
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attribute lram
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shuffle_enable A
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make_transp
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endmatch
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128
techlibs/nexus/lrams_init.vh
Normal file
128
techlibs/nexus/lrams_init.vh
Normal file
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@ -0,0 +1,128 @@
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.INITVAL_00($sformatf("0x%05120x", permute_init(INIT[0 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_01($sformatf("0x%05120x", permute_init(INIT[1 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_02($sformatf("0x%05120x", permute_init(INIT[2 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_03($sformatf("0x%05120x", permute_init(INIT[3 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_04($sformatf("0x%05120x", permute_init(INIT[4 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_05($sformatf("0x%05120x", permute_init(INIT[5 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_06($sformatf("0x%05120x", permute_init(INIT[6 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_07($sformatf("0x%05120x", permute_init(INIT[7 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_08($sformatf("0x%05120x", permute_init(INIT[8 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_09($sformatf("0x%05120x", permute_init(INIT[9 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0A($sformatf("0x%05120x", permute_init(INIT[10 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0B($sformatf("0x%05120x", permute_init(INIT[11 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0C($sformatf("0x%05120x", permute_init(INIT[12 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0D($sformatf("0x%05120x", permute_init(INIT[13 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0E($sformatf("0x%05120x", permute_init(INIT[14 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_0F($sformatf("0x%05120x", permute_init(INIT[15 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_10($sformatf("0x%05120x", permute_init(INIT[16 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_11($sformatf("0x%05120x", permute_init(INIT[17 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_12($sformatf("0x%05120x", permute_init(INIT[18 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_13($sformatf("0x%05120x", permute_init(INIT[19 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_14($sformatf("0x%05120x", permute_init(INIT[20 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_15($sformatf("0x%05120x", permute_init(INIT[21 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_16($sformatf("0x%05120x", permute_init(INIT[22 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_17($sformatf("0x%05120x", permute_init(INIT[23 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_18($sformatf("0x%05120x", permute_init(INIT[24 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_19($sformatf("0x%05120x", permute_init(INIT[25 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1A($sformatf("0x%05120x", permute_init(INIT[26 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1B($sformatf("0x%05120x", permute_init(INIT[27 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1C($sformatf("0x%05120x", permute_init(INIT[28 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1D($sformatf("0x%05120x", permute_init(INIT[29 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1E($sformatf("0x%05120x", permute_init(INIT[30 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_1F($sformatf("0x%05120x", permute_init(INIT[31 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_20($sformatf("0x%05120x", permute_init(INIT[32 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_21($sformatf("0x%05120x", permute_init(INIT[33 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_22($sformatf("0x%05120x", permute_init(INIT[34 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_23($sformatf("0x%05120x", permute_init(INIT[35 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_24($sformatf("0x%05120x", permute_init(INIT[36 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_25($sformatf("0x%05120x", permute_init(INIT[37 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_26($sformatf("0x%05120x", permute_init(INIT[38 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_27($sformatf("0x%05120x", permute_init(INIT[39 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_28($sformatf("0x%05120x", permute_init(INIT[40 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_29($sformatf("0x%05120x", permute_init(INIT[41 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2A($sformatf("0x%05120x", permute_init(INIT[42 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2B($sformatf("0x%05120x", permute_init(INIT[43 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2C($sformatf("0x%05120x", permute_init(INIT[44 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2D($sformatf("0x%05120x", permute_init(INIT[45 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2E($sformatf("0x%05120x", permute_init(INIT[46 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_2F($sformatf("0x%05120x", permute_init(INIT[47 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_30($sformatf("0x%05120x", permute_init(INIT[48 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_31($sformatf("0x%05120x", permute_init(INIT[49 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_32($sformatf("0x%05120x", permute_init(INIT[50 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_33($sformatf("0x%05120x", permute_init(INIT[51 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_34($sformatf("0x%05120x", permute_init(INIT[52 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_35($sformatf("0x%05120x", permute_init(INIT[53 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_36($sformatf("0x%05120x", permute_init(INIT[54 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_37($sformatf("0x%05120x", permute_init(INIT[55 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_38($sformatf("0x%05120x", permute_init(INIT[56 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_39($sformatf("0x%05120x", permute_init(INIT[57 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3A($sformatf("0x%05120x", permute_init(INIT[58 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3B($sformatf("0x%05120x", permute_init(INIT[59 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3C($sformatf("0x%05120x", permute_init(INIT[60 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3D($sformatf("0x%05120x", permute_init(INIT[61 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3E($sformatf("0x%05120x", permute_init(INIT[62 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_3F($sformatf("0x%05120x", permute_init(INIT[63 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_40($sformatf("0x%05120x", permute_init(INIT[64 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_41($sformatf("0x%05120x", permute_init(INIT[65 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_42($sformatf("0x%05120x", permute_init(INIT[66 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_43($sformatf("0x%05120x", permute_init(INIT[67 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_44($sformatf("0x%05120x", permute_init(INIT[68 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_45($sformatf("0x%05120x", permute_init(INIT[69 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_46($sformatf("0x%05120x", permute_init(INIT[70 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_47($sformatf("0x%05120x", permute_init(INIT[71 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_48($sformatf("0x%05120x", permute_init(INIT[72 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_49($sformatf("0x%05120x", permute_init(INIT[73 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4A($sformatf("0x%05120x", permute_init(INIT[74 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4B($sformatf("0x%05120x", permute_init(INIT[75 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4C($sformatf("0x%05120x", permute_init(INIT[76 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4D($sformatf("0x%05120x", permute_init(INIT[77 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4E($sformatf("0x%05120x", permute_init(INIT[78 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_4F($sformatf("0x%05120x", permute_init(INIT[79 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_50($sformatf("0x%05120x", permute_init(INIT[80 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_51($sformatf("0x%05120x", permute_init(INIT[81 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_52($sformatf("0x%05120x", permute_init(INIT[82 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_53($sformatf("0x%05120x", permute_init(INIT[83 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_54($sformatf("0x%05120x", permute_init(INIT[84 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_55($sformatf("0x%05120x", permute_init(INIT[85 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_56($sformatf("0x%05120x", permute_init(INIT[86 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_57($sformatf("0x%05120x", permute_init(INIT[87 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_58($sformatf("0x%05120x", permute_init(INIT[88 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_59($sformatf("0x%05120x", permute_init(INIT[89 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5A($sformatf("0x%05120x", permute_init(INIT[90 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5B($sformatf("0x%05120x", permute_init(INIT[91 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5C($sformatf("0x%05120x", permute_init(INIT[92 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5D($sformatf("0x%05120x", permute_init(INIT[93 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5E($sformatf("0x%05120x", permute_init(INIT[94 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_5F($sformatf("0x%05120x", permute_init(INIT[95 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_60($sformatf("0x%05120x", permute_init(INIT[96 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_61($sformatf("0x%05120x", permute_init(INIT[97 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_62($sformatf("0x%05120x", permute_init(INIT[98 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_63($sformatf("0x%05120x", permute_init(INIT[99 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_64($sformatf("0x%05120x", permute_init(INIT[100 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_65($sformatf("0x%05120x", permute_init(INIT[101 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_66($sformatf("0x%05120x", permute_init(INIT[102 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_67($sformatf("0x%05120x", permute_init(INIT[103 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_68($sformatf("0x%05120x", permute_init(INIT[104 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_69($sformatf("0x%05120x", permute_init(INIT[105 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6A($sformatf("0x%05120x", permute_init(INIT[106 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6B($sformatf("0x%05120x", permute_init(INIT[107 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6C($sformatf("0x%05120x", permute_init(INIT[108 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6D($sformatf("0x%05120x", permute_init(INIT[109 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6E($sformatf("0x%05120x", permute_init(INIT[110 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_6F($sformatf("0x%05120x", permute_init(INIT[111 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_70($sformatf("0x%05120x", permute_init(INIT[112 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_71($sformatf("0x%05120x", permute_init(INIT[113 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_72($sformatf("0x%05120x", permute_init(INIT[114 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_73($sformatf("0x%05120x", permute_init(INIT[115 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_74($sformatf("0x%05120x", permute_init(INIT[116 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_75($sformatf("0x%05120x", permute_init(INIT[117 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_76($sformatf("0x%05120x", permute_init(INIT[118 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_77($sformatf("0x%05120x", permute_init(INIT[119 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_78($sformatf("0x%05120x", permute_init(INIT[120 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_79($sformatf("0x%05120x", permute_init(INIT[121 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7A($sformatf("0x%05120x", permute_init(INIT[122 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7B($sformatf("0x%05120x", permute_init(INIT[123 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7C($sformatf("0x%05120x", permute_init(INIT[124 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7D($sformatf("0x%05120x", permute_init(INIT[125 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7E($sformatf("0x%05120x", permute_init(INIT[126 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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.INITVAL_7F($sformatf("0x%05120x", permute_init(INIT[127 * INIT_CHUNK_SIZE +: INIT_CHUNK_SIZE]))),
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56
techlibs/nexus/lrams_map.v
Normal file
56
techlibs/nexus/lrams_map.v
Normal file
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@ -0,0 +1,56 @@
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module \$__NX_PDPSC512K (CLK2, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
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parameter CFG_ABITS = 14;
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parameter CFG_DBITS = 32;
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parameter CFG_ENABLE_A = 4;
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parameter CLKPOL2 = 1;
|
||||
parameter [524287:0] INIT = 524287'b0;
|
||||
|
||||
input CLK2;
|
||||
|
||||
input [CFG_ABITS-1:0] A1ADDR;
|
||||
input [CFG_DBITS-1:0] A1DATA;
|
||||
input [CFG_ENABLE_A-1:0] A1EN;
|
||||
|
||||
input [CFG_ABITS-1:0] B1ADDR;
|
||||
output [CFG_DBITS-1:0] B1DATA;
|
||||
input B1EN;
|
||||
|
||||
wire clk;
|
||||
wire [31:0] rd;
|
||||
assign B1DATA = rd[CFG_DBITS-1:0];
|
||||
|
||||
generate
|
||||
if (CLKPOL2)
|
||||
assign clk = CLK2;
|
||||
else
|
||||
INV clk_inv_i (.A(CLK2), .Z(clk));
|
||||
endgenerate
|
||||
|
||||
wire we = |A1EN;
|
||||
|
||||
localparam INIT_CHUNK_SIZE = 4096;
|
||||
|
||||
function [5119:0] permute_init;
|
||||
input [INIT_CHUNK_SIZE-1:0] chunk;
|
||||
integer i;
|
||||
begin
|
||||
for (i = 0; i < 128; i = i + 1'b1)
|
||||
permute_init[i * 40 +: 40] = {8'b0, chunk[i * 32 +: 32]};
|
||||
end
|
||||
endfunction
|
||||
|
||||
generate
|
||||
PDPSC512K #(
|
||||
.OUTREG("NO_REG"),
|
||||
.ECC_BYTE_SEL("BYTE_EN"),
|
||||
`include "lrams_init.vh"
|
||||
.GSR("DISABLED")
|
||||
) _TECHMAP_REPLACE_ (
|
||||
.CLK(clk), .RSTR(1'b0),
|
||||
.DI(A1DATA), .ADW(A1ADDR), .CEW(we), .WE(we), .CSW(1'b1),
|
||||
.ADR(B1ADDR), .DO(rd), .CER(B1EN), .CSR(1'b1),
|
||||
);
|
||||
endgenerate
|
||||
|
||||
endmodule
|
||||
|
|
@ -77,6 +77,11 @@ struct SynthNexusPass : public ScriptPass
|
|||
log(" -nodffe\n");
|
||||
log(" do not use flipflops with CE in output netlist\n");
|
||||
log("\n");
|
||||
log(" -nolram\n");
|
||||
log(" do not use large RAM cells in output netlist\n");
|
||||
log(" note that large RAM must be explicitly requested with a (* lram *)\n");
|
||||
log(" attribute on the memory.\n");
|
||||
log("\n");
|
||||
log(" -nobram\n");
|
||||
log(" do not use block RAM cells in output netlist\n");
|
||||
log("\n");
|
||||
|
|
@ -101,7 +106,7 @@ struct SynthNexusPass : public ScriptPass
|
|||
}
|
||||
|
||||
string top_opt, json_file, vm_file, family;
|
||||
bool noccu2, nodffe, nobram, nolutram, nowidelut, noiopad, nodsp, flatten, dff, retime, abc9;
|
||||
bool noccu2, nodffe, nolram, nobram, nolutram, nowidelut, noiopad, nodsp, flatten, dff, retime, abc9;
|
||||
|
||||
void clear_flags() override
|
||||
{
|
||||
|
|
@ -111,6 +116,7 @@ struct SynthNexusPass : public ScriptPass
|
|||
vm_file = "";
|
||||
noccu2 = false;
|
||||
nodffe = false;
|
||||
nolram = false;
|
||||
nobram = false;
|
||||
nolutram = false;
|
||||
nowidelut = false;
|
||||
|
|
@ -181,6 +187,10 @@ struct SynthNexusPass : public ScriptPass
|
|||
nodffe = true;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-nolram") {
|
||||
nolram = true;
|
||||
continue;
|
||||
}
|
||||
if (args[argidx] == "-nobram") {
|
||||
nobram = true;
|
||||
continue;
|
||||
|
|
@ -286,6 +296,13 @@ struct SynthNexusPass : public ScriptPass
|
|||
run("opt_clean");
|
||||
}
|
||||
|
||||
if (!nolram && check_label("map_lram", "(skip if -nolram)"))
|
||||
{
|
||||
run("memory_bram -rules +/nexus/lrams.txt");
|
||||
run("setundef -zero -params t:$__NX_PDPSC512K");
|
||||
run("techmap -map +/nexus/lrams_map.v");
|
||||
}
|
||||
|
||||
if (!nobram && check_label("map_bram", "(skip if -nobram)"))
|
||||
{
|
||||
run("memory_bram -rules +/nexus/brams.txt");
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue