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Gowin. Disable unsupported BSRAM mode in GW5A

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All supported (and planned to be supported) GW5A series chips do not
support the 2: Read-before-Write write mode.

Here, we prohibit the generation of BSRAM with this mode.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
This commit is contained in:
YRabbit 2025-10-21 12:36:06 +10:00
parent 37875fdedf
commit b3f7f0d8dc
3 changed files with 71 additions and 1 deletions
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1
techlibs/gowin/Makefile.inc
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@ -10,5 +10,6 @@ $(eval $(call add_share_file,share/gowin,techlibs/gowin/arith_map.v))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map.v))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_map_gw5a.v))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams.txt))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/brams_gw5a.txt))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams_map.v))
$(eval $(call add_share_file,share/gowin,techlibs/gowin/lutrams.txt))