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| author | Andrew Zonenberg <azonenberg@drawersteak.com> | 2017-09-13 15:47:06 -0700 |
|---|---|---|
| committer | Andrew Zonenberg <azonenberg@drawersteak.com> | 2017-09-14 10:26:32 -0700 |
| commit | 122532b7e137a53a91be155668687246a25d27e7 (patch) | |
| tree | 9b1dc818cc24503b83a0c107f4d1b9e60c6c08bd | |
| parent | 0484ad666d765c84d7a06a97ee9c7f6280733ed8 (diff) | |
| download | yosys-122532b7e137a53a91be155668687246a25d27e7.tar.gz yosys-122532b7e137a53a91be155668687246a25d27e7.tar.bz2 yosys-122532b7e137a53a91be155668687246a25d27e7.zip | |
Added RESET_TO_MAX parameter to $__COUNT_ cell. Cannot yet be extracted.
| -rw-r--r-- | passes/techmap/extract_counter.cc | 1 | ||||
| -rw-r--r-- | techlibs/greenpak4/cells_blackbox.v | 1 | ||||
| -rw-r--r-- | techlibs/greenpak4/cells_map.v | 5 |
3 files changed, 5 insertions, 2 deletions
diff --git a/passes/techmap/extract_counter.cc b/passes/techmap/extract_counter.cc index 3746a3cb6..1e20b1fd8 100644 --- a/passes/techmap/extract_counter.cc +++ b/passes/techmap/extract_counter.cc @@ -493,6 +493,7 @@ void counter_worker( //Hook up hard-wired ports (for now up/down are not supported), default to no parallel output cell->setParam("\\HAS_POUT", RTLIL::Const(0)); + cell->setParam("\\RESET_TO_MAX", RTLIL::Const(0)); cell->setParam("\\DIRECTION", RTLIL::Const("DOWN")); cell->setPort("\\CE", RTLIL::Const(1)); cell->setPort("\\UP", RTLIL::Const(0)); diff --git a/techlibs/greenpak4/cells_blackbox.v b/techlibs/greenpak4/cells_blackbox.v index 8dd38a027..1895b90de 100644 --- a/techlibs/greenpak4/cells_blackbox.v +++ b/techlibs/greenpak4/cells_blackbox.v @@ -9,6 +9,7 @@ module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP); parameter COUNT_TO = 1; parameter RESET_MODE = "RISING"; + parameter RESET_TO_MAX = "1"; parameter HAS_POUT = 0; parameter HAS_CE = 0; parameter WIDTH = 8; diff --git a/techlibs/greenpak4/cells_map.v b/techlibs/greenpak4/cells_map.v index 9897d4e35..b971a51fa 100644 --- a/techlibs/greenpak4/cells_map.v +++ b/techlibs/greenpak4/cells_map.v @@ -156,6 +156,7 @@ module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP); parameter COUNT_TO = 1; parameter RESET_MODE = "RISING"; + parameter RESET_TO_MAX = 0; parameter HAS_POUT = 0; parameter HAS_CE = 0; parameter WIDTH = 8; @@ -196,7 +197,7 @@ module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP); GP_COUNT8_ADV #( .COUNT_TO(COUNT_TO), .RESET_MODE(RESET_MODE), - .RESET_VALUE("COUNT_TO"), + .RESET_VALUE(RESET_TO_MAX ? "COUNT_TO" : "ZERO"), .CLKIN_DIVIDE(1) ) _TECHMAP_REPLACE_ ( .CLK(CLK), @@ -230,7 +231,7 @@ module \$__COUNT_ (CE, CLK, OUT, POUT, RST, UP); ); GP_COUNT14_ADV #( .COUNT_TO(COUNT_TO), - .RESET_MODE(RESET_MODE), + .RESET_MODE(RESET_TO_MAX ? "COUNT_TO" : "ZERO"), .RESET_VALUE("COUNT_TO"), .CLKIN_DIVIDE(1) ) _TECHMAP_REPLACE_ ( |