diff options
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/ecp5/brams.txt | 62 | ||||
| -rw-r--r-- | techlibs/ecp5/lutrams.txt | 9 |
2 files changed, 71 insertions, 0 deletions
diff --git a/techlibs/ecp5/brams.txt b/techlibs/ecp5/brams.txt index 777ccaa2e..d34d9ec07 100644 --- a/techlibs/ecp5/brams.txt +++ b/techlibs/ecp5/brams.txt @@ -37,7 +37,17 @@ bram $__ECP5_DP16KD clkpol 2 3 endbram +# The syn_* attributes are described in: +# https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx +attr_icase 1 + match $__ECP5_PDPW16KD + # 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 @@ -45,8 +55,60 @@ match $__ECP5_PDPW16KD or_next_if_better endmatch +match $__ECP5_PDPW16KD + # 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 $__ECP5_PDPW16KD + # explicitly requested ROM + attribute syn_romstyle=ebr rom_block + attribute !syn_ramstyle + attribute !ram_block + attribute !logic_block + max wports 0 + shuffle_enable A + make_transp + or_next_if_better +endmatch + match $__ECP5_DP16KD + # 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 + or_next_if_better +endmatch + +match $__ECP5_DP16KD + # 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 + or_next_if_better +endmatch + +match $__ECP5_DP16KD + # explicitly requested ROM + attribute syn_romstyle=ebr rom_block + attribute !syn_ramstyle + attribute !ram_block + attribute !logic_block + max wports 0 + shuffle_enable A endmatch diff --git a/techlibs/ecp5/lutrams.txt b/techlibs/ecp5/lutrams.txt index b94357429..9e6a23eba 100644 --- a/techlibs/ecp5/lutrams.txt +++ b/techlibs/ecp5/lutrams.txt @@ -11,7 +11,16 @@ bram $__TRELLIS_DPR16X4 clkpol 0 2 endbram +# The syn_* attributes are described in: +# https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx +attr_icase 1 + match $__TRELLIS_DPR16X4 + attribute !syn_ramstyle syn_ramstyle=auto syn_ramstyle=distributed + attribute !syn_romstyle syn_romstyle=auto + attribute !ram_block + attribute !rom_block + attribute !logic_block make_outreg min wports 1 endmatch |