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analogdevices: Native LUTRAM primitives

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This commit is contained in:
Krystine Sherwin 2025-10-08 14:08:41 +13:00 • committed by Lofty
parent b1bc39bca4
commit 009bc900fb
3 changed files with 13 additions and 10 deletions
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2
techlibs/analogdevices/cells_sim.v
View file

@ -604,6 +604,8 @@ module RAMS64X1 (
endspecify
endmodule
// Dual port.
(* abc9_box, lib_whitebox *)
module RAMD32X1 (
output DPO, SPO,

12
techlibs/analogdevices/lutrams.txt
View file

@ -1,37 +1,39 @@
# Single-port RAMs.
ram distributed $__ANALOGDEVICES_LUTRAM_SP_ {
cost 1;
option "ABITS" 5 {
cost 1;
abits 5;
}
option "ABITS" 6 {
cost 2;
abits 6;
}
width 1;
init no_undef;
prune_rom;
port arsw "RW" {
clock posedge;
clock anyedge;
}
}
# Dual-port RAMs.
ram distributed $__ANALOGDEVICES_LUTRAM_DP_ {
cost 1;
option "ABITS" 5 {
cost 2;
abits 5;
}
option "ABITS" 6 {
cost 4;
abits 6;
}
width 1;
init no_undef;
prune_rom;
port ar "R" {
}
port arsw "RW" {
clock posedge;
}
port ar "R" {
}
}

9
techlibs/analogdevices/lutrams_map.v
View file

@ -28,7 +28,7 @@ case(OPTION_ABITS)
.WCLK(PORT_RW_CLK),
.WE(PORT_RW_WR_EN)
);
6: begin
6:
RAMS64X1
#(
.INIT(INIT)
@ -46,9 +46,8 @@ case(OPTION_ABITS)
.WCLK(PORT_RW_CLK),
.WE(PORT_RW_WR_EN)
);
end
default:
$error("invalid OPTION_ABITS/WIDTH combination");
$error("invalid OPTION_ABITS");
endcase
endgenerate
@ -78,8 +77,8 @@ case (OPTION_ABITS)
)
_TECHMAP_REPLACE_
(
.SPO(PORT_RW_RD_DATA),
.DPO(PORT_R_RD_DATA),
.SPO(PORT_RW_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
@ -101,8 +100,8 @@ case (OPTION_ABITS)
)
_TECHMAP_REPLACE_
(
.SPO(PORT_RW_RD_DATA),
.DPO(PORT_R_RD_DATA),
.SPO(PORT_RW_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),