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analogdevices: LUTRAM config

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This commit is contained in:
Lofty 2025-10-09 04:38:49 +01:00
parent 763c69b554
commit b1bc39bca4
4 changed files with 191 additions and 2544 deletions
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2218
techlibs/analogdevices/cells_sim.v
View file

File diff suppressed because it is too large Load diff

45
techlibs/analogdevices/lutrams.txt
View file

@ -1,19 +1,14 @@
# LUT RAMs for Virtex 5, Virtex 6, Spartan 6, Series 7.
# The corresponding mapping file is lutrams_xc5v_map.v
# Single-port RAMs.
ram distributed $__ANALOGDEVICES_LUTRAM_SP_ {
cost 8;
widthscale;
cost 1;
option "ABITS" 5 {
abits 5;
widths 8 global;
}
option "ABITS" 6 {
abits 6;
widths 4 global;
}
width 1;
init no_undef;
prune_rom;
port arsw "RW" {
@ -24,47 +19,19 @@ ram distributed $__ANALOGDEVICES_LUTRAM_SP_ {
# Dual-port RAMs.
ram distributed $__ANALOGDEVICES_LUTRAM_DP_ {
cost 8;
widthscale;
cost 1;
option "ABITS" 5 {
abits 5;
widths 4 global;
}
option "ABITS" 6 {
abits 6;
widths 2 global;
}
option "ABITS" 7 {
abits 7;
widths 1 global;
}
width 1;
init no_undef;
prune_rom;
port ar "R" {
}
port arsw "RW" {
clock posedge;
}
port ar "R" {
}
}
# Simple dual port RAMs.
ram distributed $__ANALOGDEVICES_LUTRAM_SDP_ {
cost 8;
widthscale 7;
option "ABITS" 5 {
abits 5;
widths 6 global;
}
option "ABITS" 6 {
abits 6;
widths 3 global;
}
init no_undef;
prune_rom;
port sw "W" {
clock posedge;
}
port ar "R" {
}
}

470
techlibs/analogdevices/lutrams_map.v
View file

@ -1,123 +1,51 @@
// LUT RAMs for Virtex 5, Virtex 6, Spartan 6, Series 7, Ultrascale.
// The definitions are in lutrams_xc5v.txt.
module $__ANALOGDEVICES_LUTRAM_SP_ (...);
parameter INIT = 0;
parameter OPTION_ABITS = 5;
parameter WIDTH = 8;
parameter BITS_USED = 0;
output [WIDTH-1:0] PORT_RW_RD_DATA;
input [WIDTH-1:0] PORT_RW_WR_DATA;
output PORT_RW_RD_DATA;
input PORT_RW_WR_DATA;
input [OPTION_ABITS-1:0] PORT_RW_ADDR;
input PORT_RW_WR_EN;
input PORT_RW_CLK;
function [(1 << OPTION_ABITS)-1:0] init_slice;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice[i] = INIT[i * WIDTH + idx];
endfunction
function [(2 << OPTION_ABITS)-1:0] init_slice2;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice2[2 * i +: 2] = INIT[i * WIDTH + idx * 2 +: 2];
endfunction
generate
case(OPTION_ABITS)
5: if (WIDTH == 8)
RAM32M
5:
RAMS32X1
#(
.INIT_D(init_slice2(0)),
.INIT_C(init_slice2(1)),
.INIT_B(init_slice2(2)),
.INIT_A(init_slice2(3)),
.INIT(INIT)
)
_TECHMAP_REPLACE_
(
.DOA(PORT_RW_RD_DATA[7:6]),
.DOB(PORT_RW_RD_DATA[5:4]),
.DOC(PORT_RW_RD_DATA[3:2]),
.DOD(PORT_RW_RD_DATA[1:0]),
.DIA(PORT_RW_WR_DATA[7:6]),
.DIB(PORT_RW_WR_DATA[5:4]),
.DIC(PORT_RW_WR_DATA[3:2]),
.DID(PORT_RW_WR_DATA[1:0]),
.ADDRA(PORT_RW_ADDR),
.ADDRB(PORT_RW_ADDR),
.ADDRC(PORT_RW_ADDR),
.ADDRD(PORT_RW_ADDR),
.WE(PORT_RW_WR_EN),
.WCLK(PORT_RW_CLK),
);
else
RAM32M16
#(
.INIT_H(init_slice2(0)),
.INIT_G(init_slice2(1)),
.INIT_F(init_slice2(2)),
.INIT_E(init_slice2(3)),
.INIT_D(init_slice2(4)),
.INIT_C(init_slice2(5)),
.INIT_B(init_slice2(6)),
.INIT_A(init_slice2(7)),
)
_TECHMAP_REPLACE_
(
.DOA(PORT_RW_RD_DATA[15:14]),
.DOB(PORT_RW_RD_DATA[13:12]),
.DOC(PORT_RW_RD_DATA[11:10]),
.DOD(PORT_RW_RD_DATA[9:8]),
.DOE(PORT_RW_RD_DATA[7:6]),
.DOF(PORT_RW_RD_DATA[5:4]),
.DOG(PORT_RW_RD_DATA[3:2]),
.DOH(PORT_RW_RD_DATA[1:0]),
.DIA(PORT_RW_WR_DATA[15:14]),
.DIB(PORT_RW_WR_DATA[13:12]),
.DIC(PORT_RW_WR_DATA[11:10]),
.DID(PORT_RW_WR_DATA[9:8]),
.DIE(PORT_RW_WR_DATA[7:6]),
.DIF(PORT_RW_WR_DATA[5:4]),
.DIG(PORT_RW_WR_DATA[3:2]),
.DIH(PORT_RW_WR_DATA[1:0]),
.ADDRA(PORT_RW_ADDR),
.ADDRB(PORT_RW_ADDR),
.ADDRC(PORT_RW_ADDR),
.ADDRD(PORT_RW_ADDR),
.ADDRE(PORT_RW_ADDR),
.ADDRF(PORT_RW_ADDR),
.ADDRG(PORT_RW_ADDR),
.ADDRH(PORT_RW_ADDR),
.WE(PORT_RW_WR_EN),
.O(PORT_RW_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.D(PORT_RW_WR_DATA),
.WCLK(PORT_RW_CLK),
.WE(PORT_RW_WR_EN)
);
6: begin
genvar i;
for (i = 0; i < WIDTH; i = i + 1)
if (BITS_USED[i])
RAM64X1S
#(
.INIT(init_slice(i)),
)
slice
(
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.A5(PORT_RW_ADDR[5]),
.D(PORT_RW_WR_DATA[i]),
.O(PORT_RW_RD_DATA[i]),
.WE(PORT_RW_WR_EN),
.WCLK(PORT_RW_CLK),
);
RAMS64X1
#(
.INIT(INIT)
)
_TECHMAP_REPLACE_
(
.O(PORT_RW_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.A5(PORT_RW_ADDR[5]),
.D(PORT_RW_WR_DATA),
.WCLK(PORT_RW_CLK),
.WE(PORT_RW_WR_EN)
);
end
default:
$error("invalid OPTION_ABITS/WIDTH combination");
@ -131,325 +59,65 @@ module $__ANALOGDEVICES_LUTRAM_DP_ (...);
parameter INIT = 0;
parameter OPTION_ABITS = 5;
parameter WIDTH = 4;
parameter BITS_USED = 0;
output [WIDTH-1:0] PORT_RW_RD_DATA;
input [WIDTH-1:0] PORT_RW_WR_DATA;
output PORT_RW_RD_DATA;
input PORT_RW_WR_DATA;
input [OPTION_ABITS-1:0] PORT_RW_ADDR;
input PORT_RW_WR_EN;
input PORT_RW_CLK;
output [WIDTH-1:0] PORT_R_RD_DATA;
output PORT_R_RD_DATA;
input [OPTION_ABITS-1:0] PORT_R_ADDR;
function [(1 << OPTION_ABITS)-1:0] init_slice;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice[i] = INIT[i * WIDTH + idx];
endfunction
function [(2 << OPTION_ABITS)-1:0] init_slice2;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice2[2 * i +: 2] = INIT[i * WIDTH + idx * 2 +: 2];
endfunction
generate
case (OPTION_ABITS)
5: if (WIDTH == 4)
RAM32M
5:
RAMD32X1
#(
.INIT_D(init_slice2(0)),
.INIT_C(init_slice2(0)),
.INIT_B(init_slice2(1)),
.INIT_A(init_slice2(1)),
.INIT(INIT)
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[3:2]),
.DOB(PORT_RW_RD_DATA[3:2]),
.DOC(PORT_R_RD_DATA[1:0]),
.DOD(PORT_RW_RD_DATA[1:0]),
.DIA(PORT_RW_WR_DATA[3:2]),
.DIB(PORT_RW_WR_DATA[3:2]),
.DIC(PORT_RW_WR_DATA[1:0]),
.DID(PORT_RW_WR_DATA[1:0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_RW_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_RW_ADDR),
.WE(PORT_RW_WR_EN),
.SPO(PORT_RW_RD_DATA),
.DPO(PORT_R_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.D(PORT_RW_WR_DATA),
.DPRA0(PORT_R_ADDR[0]),
.DPRA1(PORT_R_ADDR[1]),
.DPRA2(PORT_R_ADDR[2]),
.DPRA3(PORT_R_ADDR[3]),
.DPRA4(PORT_R_ADDR[4]),
.WCLK(PORT_RW_CLK),
.WE(PORT_RW_WR_EN)
);
else
RAM32M16
6:
RAMD64X1
#(
.INIT_H(init_slice2(0)),
.INIT_G(init_slice2(0)),
.INIT_F(init_slice2(1)),
.INIT_E(init_slice2(1)),
.INIT_D(init_slice2(2)),
.INIT_C(init_slice2(2)),
.INIT_B(init_slice2(3)),
.INIT_A(init_slice2(3)),
.INIT(INIT)
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[7:6]),
.DOB(PORT_RW_RD_DATA[7:6]),
.DOC(PORT_R_RD_DATA[5:4]),
.DOD(PORT_RW_RD_DATA[5:4]),
.DOE(PORT_R_RD_DATA[3:2]),
.DOF(PORT_RW_RD_DATA[3:2]),
.DOG(PORT_R_RD_DATA[1:0]),
.DOH(PORT_RW_RD_DATA[1:0]),
.DIA(PORT_RW_WR_DATA[7:6]),
.DIB(PORT_RW_WR_DATA[7:6]),
.DIC(PORT_RW_WR_DATA[5:4]),
.DID(PORT_RW_WR_DATA[5:4]),
.DIE(PORT_RW_WR_DATA[3:2]),
.DIF(PORT_RW_WR_DATA[3:2]),
.DIG(PORT_RW_WR_DATA[1:0]),
.DIH(PORT_RW_WR_DATA[1:0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_RW_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_RW_ADDR),
.ADDRE(PORT_R_ADDR),
.ADDRF(PORT_RW_ADDR),
.ADDRG(PORT_R_ADDR),
.ADDRH(PORT_RW_ADDR),
.WE(PORT_RW_WR_EN),
.SPO(PORT_RW_RD_DATA),
.DPO(PORT_R_RD_DATA),
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.A5(PORT_RW_ADDR[5]),
.D(PORT_RW_WR_DATA),
.DPRA0(PORT_R_ADDR[0]),
.DPRA1(PORT_R_ADDR[1]),
.DPRA2(PORT_R_ADDR[2]),
.DPRA3(PORT_R_ADDR[3]),
.DPRA4(PORT_R_ADDR[4]),
.DPRA5(PORT_R_ADDR[5]),
.WCLK(PORT_RW_CLK),
);
6: begin
genvar i;
for (i = 0; i < WIDTH; i = i + 1)
if (BITS_USED[i])
RAM64X1D
#(
.INIT(init_slice(i)),
)
slice
(
.A0(PORT_RW_ADDR[0]),
.A1(PORT_RW_ADDR[1]),
.A2(PORT_RW_ADDR[2]),
.A3(PORT_RW_ADDR[3]),
.A4(PORT_RW_ADDR[4]),
.A5(PORT_RW_ADDR[5]),
.D(PORT_RW_WR_DATA[i]),
.SPO(PORT_RW_RD_DATA[i]),
.WE(PORT_RW_WR_EN),
.WCLK(PORT_RW_CLK),
.DPRA0(PORT_R_ADDR[0]),
.DPRA1(PORT_R_ADDR[1]),
.DPRA2(PORT_R_ADDR[2]),
.DPRA3(PORT_R_ADDR[3]),
.DPRA4(PORT_R_ADDR[4]),
.DPRA5(PORT_R_ADDR[5]),
.DPO(PORT_R_RD_DATA[i]),
);
end
7: begin
genvar i;
for (i = 0; i < WIDTH; i = i + 1)
if (BITS_USED[i])
RAM128X1D
#(
.INIT(init_slice(i)),
)
slice
(
.A(PORT_RW_ADDR),
.D(PORT_RW_WR_DATA[i]),
.SPO(PORT_RW_RD_DATA[i]),
.WE(PORT_RW_WR_EN),
.WCLK(PORT_RW_CLK),
.DPRA(PORT_R_ADDR),
.DPO(PORT_R_RD_DATA[i]),
);
end
8: begin
genvar i;
for (i = 0; i < WIDTH; i = i + 1)
if (BITS_USED[i])
RAM256X1D
#(
.INIT(init_slice(i)),
)
slice
(
.A(PORT_RW_ADDR),
.D(PORT_RW_WR_DATA[i]),
.SPO(PORT_RW_RD_DATA[i]),
.WE(PORT_RW_WR_EN),
.WCLK(PORT_RW_CLK),
.DPRA(PORT_R_ADDR),
.DPO(PORT_R_RD_DATA[i]),
);
end
default:
$error("invalid OPTION_ABITS/WIDTH combination");
endcase
endgenerate
endmodule
module $__ANALOGDEVICES_LUTRAM_SDP_ (...);
parameter INIT = 0;
parameter OPTION_ABITS = 5;
parameter WIDTH = 6;
parameter BITS_USED = 0;
input [WIDTH-1:0] PORT_W_WR_DATA;
input [OPTION_ABITS-1:0] PORT_W_ADDR;
input PORT_W_WR_EN;
input PORT_W_CLK;
output [WIDTH-1:0] PORT_R_RD_DATA;
input [OPTION_ABITS-1:0] PORT_R_ADDR;
function [(1 << OPTION_ABITS)-1:0] init_slice;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice[i] = INIT[i * WIDTH + idx];
endfunction
function [(2 << OPTION_ABITS)-1:0] init_slice2;
input integer idx;
integer i;
for (i = 0; i < (1 << OPTION_ABITS); i = i + 1)
init_slice2[2 * i +: 2] = INIT[i * WIDTH + idx * 2 +: 2];
endfunction
generate
case (OPTION_ABITS)
5: if (WIDTH == 6)
RAM32M
#(
.INIT_C(init_slice2(0)),
.INIT_B(init_slice2(1)),
.INIT_A(init_slice2(2)),
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[5:4]),
.DOB(PORT_R_RD_DATA[3:2]),
.DOC(PORT_R_RD_DATA[1:0]),
.DIA(PORT_W_WR_DATA[5:4]),
.DIB(PORT_W_WR_DATA[3:2]),
.DIC(PORT_W_WR_DATA[1:0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_R_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_W_ADDR),
.WE(PORT_W_WR_EN),
.WCLK(PORT_W_CLK),
);
else
RAM32M16
#(
.INIT_G(init_slice2(0)),
.INIT_F(init_slice2(1)),
.INIT_E(init_slice2(2)),
.INIT_D(init_slice2(3)),
.INIT_C(init_slice2(4)),
.INIT_B(init_slice2(5)),
.INIT_A(init_slice2(6)),
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[13:12]),
.DOB(PORT_R_RD_DATA[11:10]),
.DOC(PORT_R_RD_DATA[9:8]),
.DOD(PORT_R_RD_DATA[7:6]),
.DOE(PORT_R_RD_DATA[5:4]),
.DOF(PORT_R_RD_DATA[3:2]),
.DOG(PORT_R_RD_DATA[1:0]),
.DIA(PORT_W_WR_DATA[13:12]),
.DIB(PORT_W_WR_DATA[11:10]),
.DIC(PORT_W_WR_DATA[9:8]),
.DID(PORT_W_WR_DATA[7:6]),
.DIE(PORT_W_WR_DATA[5:4]),
.DIF(PORT_W_WR_DATA[3:2]),
.DIG(PORT_W_WR_DATA[1:0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_R_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_R_ADDR),
.ADDRE(PORT_R_ADDR),
.ADDRF(PORT_R_ADDR),
.ADDRG(PORT_R_ADDR),
.ADDRH(PORT_W_ADDR),
.WE(PORT_W_WR_EN),
.WCLK(PORT_W_CLK),
);
6: if (WIDTH == 3)
RAM64M
#(
.INIT_C(init_slice(0)),
.INIT_B(init_slice(1)),
.INIT_A(init_slice(2)),
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[2]),
.DOB(PORT_R_RD_DATA[1]),
.DOC(PORT_R_RD_DATA[0]),
.DIA(PORT_W_WR_DATA[2]),
.DIB(PORT_W_WR_DATA[1]),
.DIC(PORT_W_WR_DATA[0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_R_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_W_ADDR),
.WE(PORT_W_WR_EN),
.WCLK(PORT_W_CLK),
);
else
RAM64M8
#(
.INIT_G(init_slice(0)),
.INIT_F(init_slice(1)),
.INIT_E(init_slice(2)),
.INIT_D(init_slice(3)),
.INIT_C(init_slice(4)),
.INIT_B(init_slice(5)),
.INIT_A(init_slice(6)),
)
_TECHMAP_REPLACE_
(
.DOA(PORT_R_RD_DATA[6]),
.DOB(PORT_R_RD_DATA[5]),
.DOC(PORT_R_RD_DATA[4]),
.DOD(PORT_R_RD_DATA[3]),
.DOE(PORT_R_RD_DATA[2]),
.DOF(PORT_R_RD_DATA[1]),
.DOG(PORT_R_RD_DATA[0]),
.DIA(PORT_W_WR_DATA[6]),
.DIB(PORT_W_WR_DATA[5]),
.DIC(PORT_W_WR_DATA[4]),
.DID(PORT_W_WR_DATA[3]),
.DIE(PORT_W_WR_DATA[2]),
.DIF(PORT_W_WR_DATA[1]),
.DIG(PORT_W_WR_DATA[0]),
.ADDRA(PORT_R_ADDR),
.ADDRB(PORT_R_ADDR),
.ADDRC(PORT_R_ADDR),
.ADDRD(PORT_R_ADDR),
.ADDRE(PORT_R_ADDR),
.ADDRF(PORT_R_ADDR),
.ADDRG(PORT_R_ADDR),
.ADDRH(PORT_W_ADDR),
.WE(PORT_W_WR_EN),
.WCLK(PORT_W_CLK),
.WE(PORT_RW_WR_EN)
);
default:
$error("invalid OPTION_ABITS/WIDTH combination");

2
techlibs/analogdevices/synth_analogdevices.cc
View file

@ -416,7 +416,7 @@ struct SynthAnalogDevicesPass : public ScriptPass
// Needs to be done before logic optimization, so that inverters (inserted
// here because of negative-polarity output enable) are handled.
if (help_mode || !noiopad)
run("iopadmap -bits -outpad OUTBUF I:O -inpad INBUF O:I -toutpad OBUFT ~T:I:O -tinoutpad IOBUF ~T:O:I:IO A:top", "(skip if '-noiopad')");
run("iopadmap -bits -outpad OUTBUF I:O -inpad INBUF O:I A:top", "(skip if '-noiopad')");
std::string techmap_args = "-map +/techmap.v -map +/analogdevices/cells_map.v";
if (widemux > 0)
techmap_args += stringf(" -D MIN_MUX_INPUTS=%d", widemux);