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//////////////////////////////////////////////////////////////////////
////                                                              ////
////  Generic Single-Port Synchronous RAM                         ////
////                                                              ////
////  This file is part of memory library available from          ////
////  http://www.opencores.org/cvsweb.shtml/generic_memories/     ////
////                                                              ////
////  Description                                                 ////
////  This block is a wrapper with common single-port             ////
////  synchronous memory interface for different                  ////
////  types of ASIC and FPGA RAMs. Beside universal memory        ////
////  interface it also provides behavioral model of generic      ////
////  single-port synchronous RAM.                                ////
////  It should be used in all OPENCORES designs that want to be  ////
////  portable accross different target technologies and          ////
////  independent of target memory.                               ////
////                                                              ////
////  Supported ASIC RAMs are:                                    ////
////  - Artisan Single-Port Sync RAM                              ////
////  - Avant! Two-Port Sync RAM (*)                              ////
////  - Virage Single-Port Sync RAM                               ////
////  - Virtual Silicon Single-Port Sync RAM                      ////
////                                                              ////
////  Supported FPGA RAMs are:                                    ////
////  - Xilinx Virtex RAMB4_S16                                   ////
////  - Altera LPM                                                ////
////                                                              ////
////  To Do:                                                      ////
////   - xilinx rams need external tri-state logic                ////
////   - fix avant! two-port ram                                  ////
////   - add additional RAMs                                      ////
////                                                              ////
////  Author(s):                                                  ////
////      - Damjan Lampret, lampret@opencores.org                 ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
////                                                              ////
//// Copyright (C) 2000 Authors and OPENCORES.ORG                 ////
////                                                              ////
//// This source file may be used and distributed without         ////
//// restriction provided that this copyright statement is not    ////
//// removed from the file and that any derivative work contains  ////
//// the original copyright notice and the associated disclaimer. ////
////                                                              ////
//// This source file is free software; you can redistribute it   ////
//// and/or modify it under the terms of the GNU Lesser General   ////
//// Public License as published by the Free Software Foundation; ////
//// either version 2.1 of the License, or (at your option) any   ////
//// later version.                                               ////
////                                                              ////
//// This source is distributed in the hope that it will be       ////
//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
//// PURPOSE.  See the GNU Lesser General Public License for more ////
//// details.                                                     ////
////                                                              ////
//// You should have received a copy of the GNU Lesser General    ////
//// Public License along with this source; if not, download it   ////
//// from http://www.opencores.org/lgpl.shtml                     ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
//
// CVS Revision History
//
// $Log: not supported by cvs2svn $
// Revision 1.6  2003/08/19 16:41:23  simons
// Scan signals mess fixed.
//
// Revision 1.5  2003/08/11 13:32:19  simons
// BIST interface added for Artisan memory instances.
//
// Revision 1.4  2003/04/07 01:19:07  lampret
// Added Altera LPM RAMs. Changed generic RAM output when OE inactive.
//
// Revision 1.3  2002/10/28 15:03:50  mohor
// Signal mbist_sen renamed to mbist_ctrl_i.
//
// Revision 1.2  2002/10/17 20:04:40  lampret
// Added BIST scan. Special VS RAMs need to be used to implement BIST.
//
// Revision 1.1  2002/01/03 08:16:15  lampret
// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.
//
// Revision 1.8  2001/11/02 18:57:14  lampret
// Modified virtual silicon instantiations.
//
// Revision 1.7  2001/10/21 17:57:16  lampret
// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.
//
// Revision 1.6  2001/10/14 13:12:09  lampret
// MP3 version.
//
// Revision 1.1.1.1  2001/10/06 10:18:36  igorm
// no message
//
// Revision 1.1  2001/08/09 13:39:33  lampret
// Major clean-up.
//
// Revision 1.2  2001/07/30 05:38:02  lampret
// Adding empty directories required by HDL coding guidelines
//
//
 
// synopsys translate_off
`include "timescale.v"
// synopsys translate_on
`include "or1200_defines.v"
 
module or1200_spram_2048x32(
`ifdef OR1200_BIST
        // RAM BIST
        mbist_si_i, mbist_so_o, mbist_ctrl_i,
`endif
        // Generic synchronous single-port RAM interface
        clk, rst, ce, we, oe, addr, di, do
);
 
//
// Default address and data buses width
//
parameter aw = 11;
parameter dw = 32;
 
`ifdef OR1200_BIST
//
// RAM BIST
//
input                   mbist_si_i;
input [`OR1200_MBIST_CTRL_WIDTH - 1:0] mbist_ctrl_i;       // bist chain shift control
output                  mbist_so_o;
`endif
 
//
// Generic synchronous single-port RAM interface
//
input                   clk;    // Clock
input                   rst;    // Reset
input                   ce;     // Chip enable input
input                   we;     // Write enable input
input                   oe;     // Output enable input
input   [aw-1:0] addr;   // address bus inputs
input   [dw-1:0] di;     // input data bus
output  [dw-1:0] do;     // output data bus
 
//
// Internal wires and registers
//
 
`ifdef OR1200_ARTISAN_SSP
`else
`ifdef OR1200_VIRTUALSILICON_SSP
`else
`ifdef OR1200_BIST
assign mbist_so_o = mbist_si_i;
`endif
`endif
`endif
 
 
`ifdef OR1200_ARTISAN_SSP
 
//
// Instantiation of ASIC memory:
//
// Artisan Synchronous Single-Port RAM (ra1sh)
//
`ifdef UNUSED
art_hdsp_2048x32 #(dw, 1<<aw, aw) artisan_ssp(
`else
`ifdef OR1200_BIST
art_hssp_2048x32_bist artisan_ssp(
`else
art_hssp_2048x32 artisan_ssp(
`endif
`endif
`ifdef OR1200_BIST
        // RAM BIST
        .mbist_si_i(mbist_si_i),
        .mbist_so_o(mbist_so_o),
        .mbist_ctrl_i(mbist_ctrl_i),
`endif
        .CLK(clk),
        .CEN(~ce),
        .WEN(~we),
        .A(addr),
        .D(di),
        .OEN(~oe),
        .Q(do)
);
 
`else
 
`ifdef OR1200_AVANT_ATP
 
//
// Instantiation of ASIC memory:
//
// Avant! Asynchronous Two-Port RAM
//
avant_atp avant_atp(
        .web(~we),
        .reb(),
        .oeb(~oe),
        .rcsb(),
        .wcsb(),
        .ra(addr),
        .wa(addr),
        .di(di),
        .do(do)
);
 
`else
 
`ifdef OR1200_VIRAGE_SSP
 
//
// Instantiation of ASIC memory:
//
// Virage Synchronous 1-port R/W RAM
//
virage_ssp virage_ssp(
        .clk(clk),
        .adr(addr),
        .d(di),
        .we(we),
        .oe(oe),
        .me(ce),
        .q(do)
);
 
`else
 
`ifdef OR1200_VIRTUALSILICON_SSP
 
//
// Instantiation of ASIC memory:
//
// Virtual Silicon Single-Port Synchronous SRAM
//
`ifdef UNUSED
vs_hdsp_2048x32 #(1<<aw, aw-1, dw-1) vs_ssp(
`else
`ifdef OR1200_BIST
vs_hdsp_2048x32_bist vs_ssp(
`else
vs_hdsp_2048x32 vs_ssp(
`endif
`endif
`ifdef OR1200_BIST
        // RAM BIST
        .mbist_si_i(mbist_si_i),
        .mbist_so_o(mbist_so_o),
        .mbist_ctrl_i(mbist_ctrl_i),
`endif
        .CK(clk),
        .ADR(addr),
        .DI(di),
        .WEN(~we),
        .CEN(~ce),
        .OEN(~oe),
        .DOUT(do)
);
 
`else
 
`ifdef OR1200_XILINX_RAMB4
 
//
// Instantiation of FPGA memory:
//
// Virtex/Spartan2
//
 
//
// Block 0
//
RAMB4_S2 ramb4_s2_0(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[1:0]),
        .EN(ce),
        .WE(we),
        .DO(do[1:0])
);
 
//
// Block 1
//
RAMB4_S2 ramb4_s2_1(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[3:2]),
        .EN(ce),
        .WE(we),
        .DO(do[3:2])
);
 
//
// Block 2
//
RAMB4_S2 ramb4_s2_2(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[5:4]),
        .EN(ce),
        .WE(we),
        .DO(do[5:4])
);
 
//
// Block 3
//
RAMB4_S2 ramb4_s2_3(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[7:6]),
        .EN(ce),
        .WE(we),
        .DO(do[7:6])
);
 
//
// Block 4
//
RAMB4_S2 ramb4_s2_4(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[9:8]),
        .EN(ce),
        .WE(we),
        .DO(do[9:8])
);
 
//
// Block 5
//
RAMB4_S2 ramb4_s2_5(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[11:10]),
        .EN(ce),
        .WE(we),
        .DO(do[11:10])
);
 
//
// Block 6
//
RAMB4_S2 ramb4_s2_6(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[13:12]),
        .EN(ce),
        .WE(we),
        .DO(do[13:12])
);
 
//
// Block 7
//
RAMB4_S2 ramb4_s2_7(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[15:14]),
        .EN(ce),
        .WE(we),
        .DO(do[15:14])
);
 
//
// Block 8
//
RAMB4_S2 ramb4_s2_8(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[17:16]),
        .EN(ce),
        .WE(we),
        .DO(do[17:16])
);
 
//
// Block 9
//
RAMB4_S2 ramb4_s2_9(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[19:18]),
        .EN(ce),
        .WE(we),
        .DO(do[19:18])
);
 
//
// Block 10
//
RAMB4_S2 ramb4_s2_10(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[21:20]),
        .EN(ce),
        .WE(we),
        .DO(do[21:20])
);
 
//
// Block 11
//
RAMB4_S2 ramb4_s2_11(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[23:22]),
        .EN(ce),
        .WE(we),
        .DO(do[23:22])
);
 
//
// Block 12
//
RAMB4_S2 ramb4_s2_12(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[25:24]),
        .EN(ce),
        .WE(we),
        .DO(do[25:24])
);
 
//
// Block 13
//
RAMB4_S2 ramb4_s2_13(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[27:26]),
        .EN(ce),
        .WE(we),
        .DO(do[27:26])
);
 
//
// Block 14
//
RAMB4_S2 ramb4_s2_14(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[29:28]),
        .EN(ce),
        .WE(we),
        .DO(do[29:28])
);
 
//
// Block 15
//
RAMB4_S2 ramb4_s2_15(
        .CLK(clk),
        .RST(rst),
        .ADDR(addr),
        .DI(di[31:30]),
        .EN(ce),
        .WE(we),
        .DO(do[31:30])
);
 
`else
 
`ifdef OR1200_ALTERA_LPM
 
//
// Instantiation of FPGA memory:
//
// Altera LPM
//
// Added By Jamil Khatib
//
 
wire    wr;
 
assign  wr = ce & we;
 
initial $display("Using Altera LPM.");
 
lpm_ram_dq lpm_ram_dq_component (
        .address(addr),
        .inclock(clk),
        .outclock(clk),
        .data(di),
        .we(wr),
        .q(do)
);
 
defparam lpm_ram_dq_component.lpm_width = dw,
        lpm_ram_dq_component.lpm_widthad = aw,
        lpm_ram_dq_component.lpm_indata = "REGISTERED",
        lpm_ram_dq_component.lpm_address_control = "REGISTERED",
        lpm_ram_dq_component.lpm_outdata = "UNREGISTERED",
        lpm_ram_dq_component.lpm_hint = "USE_EAB=ON";
        // examplar attribute lpm_ram_dq_component NOOPT TRUE
 
`else
 
//
// Generic single-port synchronous RAM model
//
 
//
// Generic RAM's registers and wires
//
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [dw-1:0] do_reg;                 // RAM data output register
 
//
// Data output drivers
//
assign do = (oe) ? do_reg : {dw{1'b0}};
 
//
// RAM read and write
//
always @(posedge clk)
        if (ce && !we)
                do_reg <= #1 mem[addr];
        else if (ce && we)
                mem[addr] <= #1 di;
 
`endif  // !OR1200_ALTERA_LPM
`endif  // !OR1200_XILINX_RAMB4_S16
`endif  // !OR1200_VIRTUALSILICON_SSP
`endif  // !OR1200_VIRAGE_SSP
`endif  // !OR1200_AVANT_ATP
`endif  // !OR1200_ARTISAN_SSP
 
endmodule

Line No.	Rev	Author	Line
1	504	lampret	`//////////////////////////////////////////////////////////////////////`
2			`//// ////`
3			`//// Generic Single-Port Synchronous RAM ////`
4			`//// ////`
5			`//// This file is part of memory library available from ////`
6			`//// http://www.opencores.org/cvsweb.shtml/generic_memories/ ////`
7			`//// ////`
8			`//// Description ////`
9			`//// This block is a wrapper with common single-port ////`
10			`//// synchronous memory interface for different ////`
11			`//// types of ASIC and FPGA RAMs. Beside universal memory ////`
12			`//// interface it also provides behavioral model of generic ////`
13			`//// single-port synchronous RAM. ////`
14			`//// It should be used in all OPENCORES designs that want to be ////`
15			`//// portable accross different target technologies and ////`
16			`//// independent of target memory. ////`
17			`//// ////`
18			`//// Supported ASIC RAMs are: ////`
19			`//// - Artisan Single-Port Sync RAM ////`
20			`//// - Avant! Two-Port Sync RAM (*) ////`
21			`//// - Virage Single-Port Sync RAM ////`
22			`//// - Virtual Silicon Single-Port Sync RAM ////`
23			`//// ////`
24			`//// Supported FPGA RAMs are: ////`
25			`//// - Xilinx Virtex RAMB4_S16 ////`
26	1129	lampret	`//// - Altera LPM ////`
27	504	lampret	`//// ////`
28			`//// To Do: ////`
29			`//// - xilinx rams need external tri-state logic ////`
30			`//// - fix avant! two-port ram ////`
31	1129	lampret	`//// - add additional RAMs ////`
32	504	lampret	`//// ////`
33			`//// Author(s): ////`
34			`//// - Damjan Lampret, lampret@opencores.org ////`
35			`//// ////`
36			`//////////////////////////////////////////////////////////////////////`
37			`//// ////`
38			`//// Copyright (C) 2000 Authors and OPENCORES.ORG ////`
39			`//// ////`
40			`//// This source file may be used and distributed without ////`
41			`//// restriction provided that this copyright statement is not ////`
42			`//// removed from the file and that any derivative work contains ////`
43			`//// the original copyright notice and the associated disclaimer. ////`
44			`//// ////`
45			`//// This source file is free software; you can redistribute it ////`
46			`//// and/or modify it under the terms of the GNU Lesser General ////`
47			`//// Public License as published by the Free Software Foundation; ////`
48			`//// either version 2.1 of the License, or (at your option) any ////`
49			`//// later version. ////`
50			`//// ////`
51			`//// This source is distributed in the hope that it will be ////`
52			`//// useful, but WITHOUT ANY WARRANTY; without even the implied ////`
53			`//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ////`
54			`//// PURPOSE. See the GNU Lesser General Public License for more ////`
55			`//// details. ////`
56			`//// ////`
57			`//// You should have received a copy of the GNU Lesser General ////`
58			`//// Public License along with this source; if not, download it ////`
59			`//// from http://www.opencores.org/lgpl.shtml ////`
60			`//// ////`
61			`//////////////////////////////////////////////////////////////////////`
62			`//`
63			`// CVS Revision History`
64			`//`
65			`// $Log: not supported by cvs2svn $`
66	1200	markom	`// Revision 1.6 2003/08/19 16:41:23 simons`
67			`// Scan signals mess fixed.`
68			`//`
69	1184	simons	`// Revision 1.5 2003/08/11 13:32:19 simons`
70			`// BIST interface added for Artisan memory instances.`
71			`//`
72	1179	simons	`// Revision 1.4 2003/04/07 01:19:07 lampret`
73			`// Added Altera LPM RAMs. Changed generic RAM output when OE inactive.`
74			`//`
75	1129	lampret	`// Revision 1.3 2002/10/28 15:03:50 mohor`
76	1200	markom	`// Signal mbist_sen renamed to mbist_ctrl_i.`
77	1129	lampret	`//`
78	1077	mohor	`// Revision 1.2 2002/10/17 20:04:40 lampret`
79			`// Added BIST scan. Special VS RAMs need to be used to implement BIST.`
80			`//`
81	1063	lampret	`// Revision 1.1 2002/01/03 08:16:15 lampret`
82			`// New prefixes for RTL files, prefixed module names. Updated cache controllers and MMUs.`
83			`//`
84	504	lampret	`// Revision 1.8 2001/11/02 18:57:14 lampret`
85			`// Modified virtual silicon instantiations.`
86			`//`
87			`// Revision 1.7 2001/10/21 17:57:16 lampret`
88			`// Removed params from generic_XX.v. Added translate_off/on in sprs.v and id.v. Removed spr_addr from dc.v and ic.v. Fixed CR+LF.`
89			`//`
90			`// Revision 1.6 2001/10/14 13:12:09 lampret`
91			`// MP3 version.`
92			`//`
93			`// Revision 1.1.1.1 2001/10/06 10:18:36 igorm`
94			`// no message`
95			`//`
96			`// Revision 1.1 2001/08/09 13:39:33 lampret`
97			`// Major clean-up.`
98			`//`
99			`// Revision 1.2 2001/07/30 05:38:02 lampret`
100			`// Adding empty directories required by HDL coding guidelines`
101			`//`
102			`//`
103
104			`// synopsys translate_off`
105			`include "timescale.v"
106			`// synopsys translate_on`
107			`include "or1200_defines.v"
108
109			`module or1200_spram_2048x32(`
110	1063	lampret	`ifdef OR1200_BIST
111			`// RAM BIST`
112	1200	markom	`mbist_si_i, mbist_so_o, mbist_ctrl_i,`
113	1063	lampret	`endif
114	504	lampret	`// Generic synchronous single-port RAM interface`
115			`clk, rst, ce, we, oe, addr, di, do`
116			`);`
117
118			`//`
119			`// Default address and data buses width`
120			`//`
121			`parameter aw = 11;`
122			`parameter dw = 32;`
123
124	1063	lampret	`ifdef OR1200_BIST
125	504	lampret	`//`
126	1063	lampret	`// RAM BIST`
127			`//`
128	1200	markom	`input mbist_si_i;`
129			input [`OR1200_MBIST_CTRL_WIDTH - 1:0] mbist_ctrl_i; // bist chain shift control
130			`output mbist_so_o;`
131	1063	lampret	`endif
132
133			`//`
134	504	lampret	`// Generic synchronous single-port RAM interface`
135			`//`
136			`input clk; // Clock`
137			`input rst; // Reset`
138			`input ce; // Chip enable input`
139			`input we; // Write enable input`
140			`input oe; // Output enable input`
141			`input [aw-1:0] addr; // address bus inputs`
142			`input [dw-1:0] di; // input data bus`
143			`output [dw-1:0] do; // output data bus`
144
145			`//`
146			`// Internal wires and registers`
147			`//`
148
149	1184	simons	`ifdef OR1200_ARTISAN_SSP
150			`else
151			`ifdef OR1200_VIRTUALSILICON_SSP
152			`else
153	1063	lampret	`ifdef OR1200_BIST
154	1200	markom	`assign mbist_so_o = mbist_si_i;`
155	1063	lampret	`endif
156	1184	simons	`endif
157			`endif
158	504	lampret
159	1184	simons
160	504	lampret	`ifdef OR1200_ARTISAN_SSP
161
162			`//`
163			`// Instantiation of ASIC memory:`
164			`//`
165			`// Artisan Synchronous Single-Port RAM (ra1sh)`
166			`//`
167			`ifdef UNUSED
168			`art_hdsp_2048x32 #(dw, 1<<aw, aw) artisan_ssp(`
169			`else
170	1179	simons	`ifdef OR1200_BIST
171			`art_hssp_2048x32_bist artisan_ssp(`
172			`else
173			`art_hssp_2048x32 artisan_ssp(`
174	504	lampret	`endif
175	1179	simons	`endif
176			`ifdef OR1200_BIST
177			`// RAM BIST`
178	1200	markom	`.mbist_si_i(mbist_si_i),`
179			`.mbist_so_o(mbist_so_o),`
180			`.mbist_ctrl_i(mbist_ctrl_i),`
181	1179	simons	`endif
182			`.CLK(clk),`
183			`.CEN(~ce),`
184			`.WEN(~we),`
185			`.A(addr),`
186			`.D(di),`
187			`.OEN(~oe),`
188			`.Q(do)`
189	504	lampret	`);`
190
191			`else
192
193			`ifdef OR1200_AVANT_ATP
194
195			`//`
196			`// Instantiation of ASIC memory:`
197			`//`
198			`// Avant! Asynchronous Two-Port RAM`
199			`//`
200			`avant_atp avant_atp(`
201			`.web(~we),`
202			`.reb(),`
203			`.oeb(~oe),`
204			`.rcsb(),`
205			`.wcsb(),`
206			`.ra(addr),`
207			`.wa(addr),`
208			`.di(di),`
209			`.do(do)`
210			`);`
211
212			`else
213
214			`ifdef OR1200_VIRAGE_SSP
215
216			`//`
217			`// Instantiation of ASIC memory:`
218			`//`
219			`// Virage Synchronous 1-port R/W RAM`
220			`//`
221			`virage_ssp virage_ssp(`
222			`.clk(clk),`
223			`.adr(addr),`
224			`.d(di),`
225			`.we(we),`
226			`.oe(oe),`
227			`.me(ce),`
228			`.q(do)`
229			`);`
230
231			`else
232
233			`ifdef OR1200_VIRTUALSILICON_SSP
234
235			`//`
236			`// Instantiation of ASIC memory:`
237			`//`
238			`// Virtual Silicon Single-Port Synchronous SRAM`
239			`//`
240			`ifdef UNUSED
241			`vs_hdsp_2048x32 #(1<<aw, aw-1, dw-1) vs_ssp(`
242			`else
243	1063	lampret	`ifdef OR1200_BIST
244			`vs_hdsp_2048x32_bist vs_ssp(`
245			`else
246	504	lampret	`vs_hdsp_2048x32 vs_ssp(`
247			`endif
248	1063	lampret	`endif
249			`ifdef OR1200_BIST
250			`// RAM BIST`
251	1200	markom	`.mbist_si_i(mbist_si_i),`
252			`.mbist_so_o(mbist_so_o),`
253			`.mbist_ctrl_i(mbist_ctrl_i),`
254	1063	lampret	`endif
255	504	lampret	`.CK(clk),`
256			`.ADR(addr),`
257			`.DI(di),`
258			`.WEN(~we),`
259			`.CEN(~ce),`
260			`.OEN(~oe),`
261			`.DOUT(do)`
262			`);`
263
264			`else
265
266			`ifdef OR1200_XILINX_RAMB4
267
268			`//`
269			`// Instantiation of FPGA memory:`
270			`//`
271			`// Virtex/Spartan2`
272			`//`
273
274			`//`
275			`// Block 0`
276			`//`
277			`RAMB4_S2 ramb4_s2_0(`
278			`.CLK(clk),`
279			`.RST(rst),`
280			`.ADDR(addr),`
281			`.DI(di[1:0]),`
282			`.EN(ce),`
283			`.WE(we),`
284			`.DO(do[1:0])`
285			`);`
286
287			`//`
288			`// Block 1`
289			`//`
290			`RAMB4_S2 ramb4_s2_1(`
291			`.CLK(clk),`
292			`.RST(rst),`
293			`.ADDR(addr),`
294			`.DI(di[3:2]),`
295			`.EN(ce),`
296			`.WE(we),`
297			`.DO(do[3:2])`
298			`);`
299
300			`//`
301			`// Block 2`
302			`//`
303			`RAMB4_S2 ramb4_s2_2(`
304			`.CLK(clk),`
305			`.RST(rst),`
306			`.ADDR(addr),`
307			`.DI(di[5:4]),`
308			`.EN(ce),`
309			`.WE(we),`
310			`.DO(do[5:4])`
311			`);`
312
313			`//`
314			`// Block 3`
315			`//`
316			`RAMB4_S2 ramb4_s2_3(`
317			`.CLK(clk),`
318			`.RST(rst),`
319			`.ADDR(addr),`
320			`.DI(di[7:6]),`
321			`.EN(ce),`
322			`.WE(we),`
323			`.DO(do[7:6])`
324			`);`
325
326			`//`
327			`// Block 4`
328			`//`
329			`RAMB4_S2 ramb4_s2_4(`
330			`.CLK(clk),`
331			`.RST(rst),`
332			`.ADDR(addr),`
333			`.DI(di[9:8]),`
334			`.EN(ce),`
335			`.WE(we),`
336			`.DO(do[9:8])`
337			`);`
338
339			`//`
340			`// Block 5`
341			`//`
342			`RAMB4_S2 ramb4_s2_5(`
343			`.CLK(clk),`
344			`.RST(rst),`
345			`.ADDR(addr),`
346			`.DI(di[11:10]),`
347			`.EN(ce),`
348			`.WE(we),`
349			`.DO(do[11:10])`
350			`);`
351
352			`//`
353			`// Block 6`
354			`//`
355			`RAMB4_S2 ramb4_s2_6(`
356			`.CLK(clk),`
357			`.RST(rst),`
358			`.ADDR(addr),`
359			`.DI(di[13:12]),`
360			`.EN(ce),`
361			`.WE(we),`
362			`.DO(do[13:12])`
363			`);`
364
365			`//`
366			`// Block 7`
367			`//`
368			`RAMB4_S2 ramb4_s2_7(`
369			`.CLK(clk),`
370			`.RST(rst),`
371			`.ADDR(addr),`
372			`.DI(di[15:14]),`
373			`.EN(ce),`
374			`.WE(we),`
375			`.DO(do[15:14])`
376			`);`
377
378			`//`
379			`// Block 8`
380			`//`
381			`RAMB4_S2 ramb4_s2_8(`
382			`.CLK(clk),`
383			`.RST(rst),`
384			`.ADDR(addr),`
385			`.DI(di[17:16]),`
386			`.EN(ce),`
387			`.WE(we),`
388			`.DO(do[17:16])`
389			`);`
390
391			`//`
392			`// Block 9`
393			`//`
394			`RAMB4_S2 ramb4_s2_9(`
395			`.CLK(clk),`
396			`.RST(rst),`
397			`.ADDR(addr),`
398			`.DI(di[19:18]),`
399			`.EN(ce),`
400			`.WE(we),`
401			`.DO(do[19:18])`
402			`);`
403
404			`//`
405			`// Block 10`
406			`//`
407			`RAMB4_S2 ramb4_s2_10(`
408			`.CLK(clk),`
409			`.RST(rst),`
410			`.ADDR(addr),`
411			`.DI(di[21:20]),`
412			`.EN(ce),`
413			`.WE(we),`
414			`.DO(do[21:20])`
415			`);`
416
417			`//`
418			`// Block 11`
419			`//`
420			`RAMB4_S2 ramb4_s2_11(`
421			`.CLK(clk),`
422			`.RST(rst),`
423			`.ADDR(addr),`
424			`.DI(di[23:22]),`
425			`.EN(ce),`
426			`.WE(we),`
427			`.DO(do[23:22])`
428			`);`
429
430			`//`
431			`// Block 12`
432			`//`
433			`RAMB4_S2 ramb4_s2_12(`
434			`.CLK(clk),`
435			`.RST(rst),`
436			`.ADDR(addr),`
437			`.DI(di[25:24]),`
438			`.EN(ce),`
439			`.WE(we),`
440			`.DO(do[25:24])`
441			`);`
442
443			`//`
444			`// Block 13`
445			`//`
446			`RAMB4_S2 ramb4_s2_13(`
447			`.CLK(clk),`
448			`.RST(rst),`
449			`.ADDR(addr),`
450			`.DI(di[27:26]),`
451			`.EN(ce),`
452			`.WE(we),`
453			`.DO(do[27:26])`
454			`);`
455
456			`//`
457			`// Block 14`
458			`//`
459			`RAMB4_S2 ramb4_s2_14(`
460			`.CLK(clk),`
461			`.RST(rst),`
462			`.ADDR(addr),`
463			`.DI(di[29:28]),`
464			`.EN(ce),`
465			`.WE(we),`
466			`.DO(do[29:28])`
467			`);`
468
469			`//`
470			`// Block 15`
471			`//`
472			`RAMB4_S2 ramb4_s2_15(`
473			`.CLK(clk),`
474			`.RST(rst),`
475			`.ADDR(addr),`
476			`.DI(di[31:30]),`
477			`.EN(ce),`
478			`.WE(we),`
479			`.DO(do[31:30])`
480			`);`
481
482			`else
483
484	1129	lampret	`ifdef OR1200_ALTERA_LPM
485
486	504	lampret	`//`
487	1129	lampret	`// Instantiation of FPGA memory:`
488			`//`
489			`// Altera LPM`
490			`//`
491			`// Added By Jamil Khatib`
492			`//`
493
494			`wire wr;`
495
496			`assign wr = ce & we;`
497
498			`initial $display("Using Altera LPM.");`
499
500			`lpm_ram_dq lpm_ram_dq_component (`

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