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Gowin. Implement byte enable.

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Enable write port with byte enables for BSRAM primitives.

Signed-off-by: YRabbit <rabbit@yrabbit.cyou>
This commit is contained in:
YRabbit 2026-01-03 17:42:49 +10:00
parent 64a933d77b
commit ea90f54783
3 changed files with 32 additions and 10 deletions
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6
techlibs/gowin/brams.txt
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@ -2,6 +2,7 @@ ram block $__GOWIN_SP_ {
abits 14;
widths 1 2 4 9 18 36 per_port;
cost 128;
byte 9;
init no_undef;
port srsw "A" {
clock posedge;
@ -24,6 +25,7 @@ ram block $__GOWIN_SP_ {
rdwr old;
}
}
wrbe_separate;
}
}
@ -31,6 +33,7 @@ ram block $__GOWIN_DP_ {
abits 14;
widths 1 2 4 9 18 per_port;
cost 128;
byte 9;
init no_undef;
port srsw "A" "B" {
clock posedge;
@ -53,6 +56,7 @@ ram block $__GOWIN_DP_ {
rdwr old;
}
}
wrbe_separate;
}
}
@ -60,6 +64,7 @@ ram block $__GOWIN_SDP_ {
abits 14;
widths 1 2 4 9 18 36 per_port;
cost 128;
byte 9;
init no_undef;
port sr "R" {
clock posedge;
@ -75,5 +80,6 @@ ram block $__GOWIN_SDP_ {
port sw "W" {
clock posedge;
clken;
wrbe_separate;
}
}