mirror of https://github.com/YosysHQ/yosys.git
115 lines
2.2 KiB
Plaintext
115 lines
2.2 KiB
Plaintext
bram $__ECP5_PDPW16KD
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init 1
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abits 9
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dbits 36
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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 3
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clkpol 2 3
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endbram
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bram $__ECP5_DP16KD
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init 1
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abits 10 @a10d18
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dbits 18 @a10d18
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abits 11 @a11d9
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dbits 9 @a11d9
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abits 12 @a12d4
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dbits 4 @a12d4
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abits 13 @a13d2
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dbits 2 @a13d2
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abits 14 @a14d1
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dbits 1 @a14d1
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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 2 1 @a10d18
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enable 1 1 @a11d9 @a12d4 @a13d2 @a14d1
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transp 0 2
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clocks 2 3
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clkpol 2 3
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endbram
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# The syn_* attributes are described in:
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# https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx
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attr_icase 1
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match $__ECP5_PDPW16KD
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# implicitly requested RAM or ROM
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attribute !syn_ramstyle syn_ramstyle=auto
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attribute !syn_romstyle syn_romstyle=auto
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attribute !ram_block
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attribute !rom_block
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attribute !logic_block
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min bits 2048
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min efficiency 5
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shuffle_enable A
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make_transp
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or_next_if_better
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endmatch
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match $__ECP5_PDPW16KD
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# explicitly requested RAM
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attribute syn_ramstyle=block_ram ram_block
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attribute !syn_romstyle
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attribute !rom_block
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attribute !logic_block
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min wports 1
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shuffle_enable A
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make_transp
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or_next_if_better
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endmatch
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match $__ECP5_PDPW16KD
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# explicitly requested ROM
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attribute syn_romstyle=ebr rom_block
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attribute !syn_ramstyle
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attribute !ram_block
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attribute !logic_block
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max wports 0
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shuffle_enable A
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make_transp
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or_next_if_better
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endmatch
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match $__ECP5_DP16KD
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# implicitly requested RAM or ROM
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attribute !syn_ramstyle syn_ramstyle=auto
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attribute !syn_romstyle syn_romstyle=auto
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attribute !ram_block
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attribute !rom_block
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attribute !logic_block
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min bits 2048
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min efficiency 5
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shuffle_enable A
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or_next_if_better
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endmatch
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match $__ECP5_DP16KD
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# explicitly requested RAM
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attribute syn_ramstyle=block_ram ram_block
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attribute !syn_romstyle
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attribute !rom_block
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attribute !logic_block
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min wports 1
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shuffle_enable A
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or_next_if_better
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endmatch
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match $__ECP5_DP16KD
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# explicitly requested ROM
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attribute syn_romstyle=ebr rom_block
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attribute !syn_ramstyle
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attribute !ram_block
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attribute !logic_block
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max wports 0
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shuffle_enable A
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endmatch
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