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-rw-r--r--techlibs/ice40/brams_map.v311
1 files changed, 311 insertions, 0 deletions
diff --git a/techlibs/ice40/brams_map.v b/techlibs/ice40/brams_map.v
new file mode 100644
index 000000000..19a61d73b
--- /dev/null
+++ b/techlibs/ice40/brams_map.v
@@ -0,0 +1,311 @@
+
+module \$__ICE40_RAM4K (
+ output [15:0] RDATA,
+ input RCLK, RCLKE, RE,
+ input [10:0] RADDR,
+ input WCLK, WCLKE, WE,
+ input [10:0] WADDR,
+ input [15:0] MASK, WDATA
+);
+ parameter integer READ_MODE = 0;
+ parameter integer WRITE_MODE = 0;
+ parameter [0:0] NEGCLK_R = 0;
+ parameter [0:0] NEGCLK_W = 0;
+
+ parameter [255:0] INIT_0 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_1 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_2 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_5 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_6 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_7 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_8 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_9 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+ parameter [255:0] INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
+
+ generate
+ case ({NEGCLK_R, NEGCLK_W})
+ 2'b00:
+ SB_RAM40_4K #(
+ .READ_MODE(READ_MODE),
+ .WRITE_MODE(WRITE_MODE),
+ .INIT_0(INIT_0),
+ .INIT_1(INIT_1),
+ .INIT_2(INIT_2),
+ .INIT_3(INIT_3),
+ .INIT_4(INIT_4),
+ .INIT_5(INIT_5),
+ .INIT_6(INIT_6),
+ .INIT_7(INIT_7),
+ .INIT_8(INIT_8),
+ .INIT_9(INIT_9),
+ .INIT_A(INIT_A),
+ .INIT_B(INIT_B),
+ .INIT_C(INIT_C),
+ .INIT_D(INIT_D),
+ .INIT_E(INIT_E),
+ .INIT_F(INIT_F)
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(RDATA),
+ .RCLK (RCLK ),
+ .RCLKE(RCLKE),
+ .RE (RE ),
+ .RADDR(RADDR),
+ .WCLK (WCLK ),
+ .WCLKE(WCLKE),
+ .WE (WE ),
+ .WADDR(WADDR),
+ .MASK (MASK ),
+ .WDATA(WDATA)
+ );
+ 2'b01:
+ SB_RAM40_4KNW #(
+ .READ_MODE(READ_MODE),
+ .WRITE_MODE(WRITE_MODE),
+ .INIT_0(INIT_0),
+ .INIT_1(INIT_1),
+ .INIT_2(INIT_2),
+ .INIT_3(INIT_3),
+ .INIT_4(INIT_4),
+ .INIT_5(INIT_5),
+ .INIT_6(INIT_6),
+ .INIT_7(INIT_7),
+ .INIT_8(INIT_8),
+ .INIT_9(INIT_9),
+ .INIT_A(INIT_A),
+ .INIT_B(INIT_B),
+ .INIT_C(INIT_C),
+ .INIT_D(INIT_D),
+ .INIT_E(INIT_E),
+ .INIT_F(INIT_F)
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(RDATA),
+ .RCLK (RCLK ),
+ .RCLKE(RCLKE),
+ .RE (RE ),
+ .RADDR(RADDR),
+ .WCLKN(WCLK ),
+ .WCLKE(WCLKE),
+ .WE (WE ),
+ .WADDR(WADDR),
+ .MASK (MASK ),
+ .WDATA(WDATA)
+ );
+ 2'b10:
+ SB_RAM40_4KNR #(
+ .READ_MODE(READ_MODE),
+ .WRITE_MODE(WRITE_MODE),
+ .INIT_0(INIT_0),
+ .INIT_1(INIT_1),
+ .INIT_2(INIT_2),
+ .INIT_3(INIT_3),
+ .INIT_4(INIT_4),
+ .INIT_5(INIT_5),
+ .INIT_6(INIT_6),
+ .INIT_7(INIT_7),
+ .INIT_8(INIT_8),
+ .INIT_9(INIT_9),
+ .INIT_A(INIT_A),
+ .INIT_B(INIT_B),
+ .INIT_C(INIT_C),
+ .INIT_D(INIT_D),
+ .INIT_E(INIT_E),
+ .INIT_F(INIT_F)
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(RDATA),
+ .RCLKN(RCLK ),
+ .RCLKE(RCLKE),
+ .RE (RE ),
+ .RADDR(RADDR),
+ .WCLK (WCLK ),
+ .WCLKE(WCLKE),
+ .WE (WE ),
+ .WADDR(WADDR),
+ .MASK (MASK ),
+ .WDATA(WDATA)
+ );
+ 2'b11:
+ SB_RAM40_4KNRNW #(
+ .READ_MODE(READ_MODE),
+ .WRITE_MODE(WRITE_MODE),
+ .INIT_0(INIT_0),
+ .INIT_1(INIT_1),
+ .INIT_2(INIT_2),
+ .INIT_3(INIT_3),
+ .INIT_4(INIT_4),
+ .INIT_5(INIT_5),
+ .INIT_6(INIT_6),
+ .INIT_7(INIT_7),
+ .INIT_8(INIT_8),
+ .INIT_9(INIT_9),
+ .INIT_A(INIT_A),
+ .INIT_B(INIT_B),
+ .INIT_C(INIT_C),
+ .INIT_D(INIT_D),
+ .INIT_E(INIT_E),
+ .INIT_F(INIT_F)
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(RDATA),
+ .RCLKN(RCLK ),
+ .RCLKE(RCLKE),
+ .RE (RE ),
+ .RADDR(RADDR),
+ .WCLKN(WCLK ),
+ .WCLKE(WCLKE),
+ .WE (WE ),
+ .WADDR(WADDR),
+ .MASK (MASK ),
+ .WDATA(WDATA)
+ );
+ endcase
+ endgenerate
+endmodule
+
+
+module \$__ICE40_RAM4K_M0 (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
+ parameter [0:0] CLKPOL2 = 1;
+ parameter [0:0] CLKPOL3 = 1;
+
+ parameter [4095:0] INIT = 4096'bx;
+
+ input CLK2;
+ input CLK3;
+
+ input [7:0] A1ADDR;
+ output [15:0] A1DATA;
+ input A1EN;
+
+ input [7:0] B1ADDR;
+ input [15:0] B1DATA;
+ input [15:0] B1EN;
+
+ wire [10:0] A1ADDR_11 = A1ADDR;
+ wire [10:0] B1ADDR_11 = B1ADDR;
+
+ \$__ICE40_RAM4K #(
+ .READ_MODE(0),
+ .WRITE_MODE(0),
+ .NEGCLK_R(!CLKPOL2),
+ .NEGCLK_W(!CLKPOL3),
+ .INIT_0(INIT[ 0*256 +: 256]),
+ .INIT_1(INIT[ 1*256 +: 256]),
+ .INIT_2(INIT[ 2*256 +: 256]),
+ .INIT_3(INIT[ 3*256 +: 256]),
+ .INIT_4(INIT[ 4*256 +: 256]),
+ .INIT_5(INIT[ 5*256 +: 256]),
+ .INIT_6(INIT[ 6*256 +: 256]),
+ .INIT_7(INIT[ 7*256 +: 256]),
+ .INIT_8(INIT[ 8*256 +: 256]),
+ .INIT_9(INIT[ 9*256 +: 256]),
+ .INIT_A(INIT[10*256 +: 256]),
+ .INIT_B(INIT[11*256 +: 256]),
+ .INIT_C(INIT[12*256 +: 256]),
+ .INIT_D(INIT[13*256 +: 256]),
+ .INIT_E(INIT[14*256 +: 256]),
+ .INIT_F(INIT[15*256 +: 256])
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(A1DATA),
+ .RADDR(A1ADDR_11),
+ .RCLK(CLK2),
+ .RCLKE(A1EN),
+ .RE(1'b1),
+ .WDATA(B1DATA),
+ .WADDR(B1ADDR_11),
+ .MASK(~B1EN),
+ .WCLK(CLK3),
+ .WCLKE(|B1EN),
+ .WE(1'b1)
+ );
+endmodule
+
+module \$__ICE40_RAM4K_M123 (CLK2, CLK3, A1ADDR, A1DATA, A1EN, B1ADDR, B1DATA, B1EN);
+ parameter CFG_ABITS = 9;
+ parameter CFG_DBITS = 8;
+
+ parameter [0:0] CLKPOL2 = 1;
+ parameter [0:0] CLKPOL3 = 1;
+
+ parameter [4095:0] INIT = 4096'bx;
+
+ localparam MODE =
+ CFG_ABITS == 9 ? 1 :
+ CFG_ABITS == 10 ? 2 :
+ CFG_ABITS == 11 ? 3 : 'bx;
+
+ input CLK2;
+ input CLK3;
+
+ input [CFG_ABITS-1:0] A1ADDR;
+ output [CFG_DBITS-1:0] A1DATA;
+ input A1EN;
+
+ input [CFG_ABITS-1:0] B1ADDR;
+ input [CFG_DBITS-1:0] B1DATA;
+ input B1EN;
+
+ wire [10:0] A1ADDR_11 = A1ADDR;
+ wire [10:0] B1ADDR_11 = B1ADDR;
+
+ wire [15:0] A1DATA_16, B1DATA_16;
+
+ generate
+ if (MODE == 1) begin
+ assign A1DATA = {A1DATA_16[14], A1DATA_16[12], A1DATA_16[10], A1DATA_16[ 8],
+ A1DATA_16[ 6], A1DATA_16[ 4], A1DATA_16[ 2], A1DATA_16[ 0]};
+ assign {B1DATA_16[14], B1DATA_16[12], B1DATA_16[10], B1DATA_16[ 8],
+ B1DATA_16[ 6], B1DATA_16[ 4], B1DATA_16[ 2], B1DATA_16[ 0]} = B1DATA;
+ `include "brams_init1.vh"
+ end
+ if (MODE == 2) begin
+ assign A1DATA = {A1DATA_16[13], A1DATA_16[9], A1DATA_16[5], A1DATA_16[1]};
+ assign {B1DATA_16[13], B1DATA_16[9], B1DATA_16[5], B1DATA_16[1]} = B1DATA;
+ `include "brams_init2.vh"
+ end
+ if (MODE == 3) begin
+ assign A1DATA = {A1DATA_16[11], A1DATA_16[3]};
+ assign {B1DATA_16[11], B1DATA_16[3]} = B1DATA;
+ `include "brams_init3.vh"
+ end
+ endgenerate
+
+ \$__ICE40_RAM4K #(
+ .READ_MODE(MODE),
+ .WRITE_MODE(MODE),
+ .NEGCLK_R(!CLKPOL2),
+ .NEGCLK_W(!CLKPOL3),
+ .INIT_0(INIT_0),
+ .INIT_1(INIT_1),
+ .INIT_2(INIT_2),
+ .INIT_3(INIT_3),
+ .INIT_4(INIT_4),
+ .INIT_5(INIT_5),
+ .INIT_6(INIT_6),
+ .INIT_7(INIT_7),
+ .INIT_8(INIT_8),
+ .INIT_9(INIT_9),
+ .INIT_A(INIT_A),
+ .INIT_B(INIT_B),
+ .INIT_C(INIT_C),
+ .INIT_D(INIT_D),
+ .INIT_E(INIT_E),
+ .INIT_F(INIT_F)
+ ) _TECHMAP_REPLACE_ (
+ .RDATA(A1DATA_16),
+ .RADDR(A1ADDR_11),
+ .RCLK(CLK2),
+ .RCLKE(A1EN),
+ .RE(1'b1),
+ .WDATA(B1DATA_16),
+ .WADDR(B1ADDR_11),
+ .WCLK(CLK3),
+ .WCLKE(|B1EN),
+ .WE(1'b1)
+ );
+endmodule
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-05 14:22:44 +0000