| ////////////////////////////////////////////////////////////////////// |
| //// //// |
| //// Global confg register //// |
| //// //// |
| //// This file is part of the YIFive cores project //// |
| //// http://www.opencores.org/cores/yifive/ //// |
| //// //// |
| //// Description //// |
| //// This block generate all the global config and status //// |
| //// //// |
| //// To Do: //// |
| //// nothing //// |
| //// //// |
| //// Author(s): //// |
| //// - Dinesh Annayya, dinesha@opencores.org //// |
| //// //// |
| //// Revision : //// |
| //// 0.1 - 08 June 2021 Dinesh A //// |
| //// Initial version //// |
| //// //// |
| ////////////////////////////////////////////////////////////////////// |
| //// //// |
| //// 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 //// |
| //// //// |
| ////////////////////////////////////////////////////////////////////// |
| |
| module glbl_cfg ( |
| |
| input logic mclk, |
| input logic reset_n, |
| output logic [31:0] device_idcode, |
| |
| // Reg Bus Interface Signal |
| input logic reg_cs, |
| input logic reg_wr, |
| input logic [3:0] reg_addr, |
| input logic [31:0] reg_wdata, |
| input logic [3:0] reg_be, |
| |
| // Outputs |
| output logic [31:0] reg_rdata, |
| output logic reg_ack, |
| |
| // SDRAM Clock |
| |
| output logic sdram_clk, |
| |
| // reset |
| output logic cpu_rst_n, |
| output logic spi_rst_n, |
| output logic sdram_rst_n, |
| |
| // Risc configuration |
| output logic [31:0] fuse_mhartid, |
| output logic [15:0] irq_lines, |
| output logic soft_irq, |
| output logic [2:0] user_irq, |
| |
| // SDRAM Config |
| input logic sdr_init_done , // Indicate SDRAM Initialisation Done |
| output logic [1:0] cfg_sdr_width , // 2'b00 - 32 Bit SDR, 2'b01 - 16 Bit SDR, 2'b1x - 8 Bit |
| output logic [1:0] cfg_colbits , // 2'b00 - 8 Bit column address, |
| output logic [3:0] cfg_sdr_tras_d , // Active to precharge delay |
| output logic [3:0] cfg_sdr_trp_d , // Precharge to active delay |
| output logic [3:0] cfg_sdr_trcd_d , // Active to R/W delay |
| output logic cfg_sdr_en , // Enable SDRAM controller |
| output logic [1:0] cfg_req_depth , // Maximum Request accepted by SDRAM controller |
| output logic [12:0] cfg_sdr_mode_reg , |
| output logic [2:0] cfg_sdr_cas , // SDRAM CAS Latency |
| output logic [3:0] cfg_sdr_trcar_d , // Auto-refresh period |
| output logic [3:0] cfg_sdr_twr_d , // Write recovery delay |
| output logic [11:0] cfg_sdr_rfsh , |
| output logic [2:0] cfg_sdr_rfmax |
| |
| |
| ); |
| |
| |
| |
| //----------------------------------------------------------------------- |
| // Internal Wire Declarations |
| //----------------------------------------------------------------------- |
| |
| logic sw_rd_en; |
| logic sw_wr_en; |
| logic [3:0] sw_addr ; // addressing 16 registers |
| logic [3:0] wr_be ; |
| logic [31:0] sw_reg_wdata; |
| |
| logic reg_cs_l ; |
| logic reg_cs_2l ; |
| logic cfg_sdram_clk_div; |
| |
| |
| logic [31:0] reg_0; // Software_Reg_0 |
| logic [31:0] reg_1; // Software-Reg_1 |
| logic [31:0] reg_2; // Software-Reg_2 |
| logic [31:0] reg_3; // Software-Reg_3 |
| logic [31:0] reg_4; // Software-Reg_4 |
| logic [31:0] reg_5; // Software-Reg_5 |
| logic [31:0] reg_6; // Software-Reg_6 |
| logic [31:0] reg_7; // Software-Reg_7 |
| logic [31:0] reg_8; // Software-Reg_8 |
| logic [31:0] reg_9; // Software-Reg_9 |
| logic [31:0] reg_10; // Software-Reg_10 |
| logic [31:0] reg_11; // Software-Reg_11 |
| logic [31:0] reg_12; // Software-Reg_12 |
| logic [31:0] reg_13; // Software-Reg_13 |
| logic [31:0] reg_14; // Software-Reg_14 |
| logic [31:0] reg_15; // Software-Reg_15 |
| logic [31:0] reg_out; |
| |
| //----------------------------------------------------------------------- |
| // Main code starts here |
| //----------------------------------------------------------------------- |
| |
| //----------------------------------------------------------------------- |
| // To avoid interface timing, all the content are registered |
| //----------------------------------------------------------------------- |
| always @ (posedge mclk or negedge reset_n) |
| begin |
| if (reset_n == 1'b0) |
| begin |
| sw_addr <= '0; |
| sw_rd_en <= '0; |
| sw_wr_en <= '0; |
| sw_reg_wdata <= '0; |
| wr_be <= '0; |
| reg_cs_l <= '0; |
| reg_cs_2l <= '0; |
| end else begin |
| sw_addr <= reg_addr [3:0]; |
| sw_rd_en <= reg_cs & !reg_wr; |
| sw_wr_en <= reg_cs & reg_wr; |
| sw_reg_wdata <= reg_wdata; |
| wr_be <= reg_be; |
| reg_cs_l <= reg_cs; |
| reg_cs_2l <= reg_cs_l; |
| end |
| end |
| |
| |
| //----------------------------------------------------------------------- |
| // Read path mux |
| //----------------------------------------------------------------------- |
| |
| always @ (posedge mclk or negedge reset_n) |
| begin : preg_out_Seq |
| if (reset_n == 1'b0) begin |
| reg_rdata [31:0] <= 32'h0000_0000; |
| reg_ack <= 1'b0; |
| end else if (sw_rd_en && !reg_ack && !reg_cs_2l) begin |
| reg_rdata [31:0] <= reg_out [31:0]; |
| reg_ack <= 1'b1; |
| end else if (sw_wr_en && !reg_ack && !reg_cs_2l) begin |
| reg_ack <= 1'b1; |
| end else begin |
| reg_ack <= 1'b0; |
| end |
| end |
| |
| |
| //----------------------------------------------------------------------- |
| // register read enable and write enable decoding logic |
| //----------------------------------------------------------------------- |
| wire sw_wr_en_0 = sw_wr_en & (sw_addr == 4'h0); |
| wire sw_rd_en_0 = sw_rd_en & (sw_addr == 4'h0); |
| wire sw_wr_en_1 = sw_wr_en & (sw_addr == 4'h1); |
| wire sw_rd_en_1 = sw_rd_en & (sw_addr == 4'h1); |
| wire sw_wr_en_2 = sw_wr_en & (sw_addr == 4'h2); |
| wire sw_rd_en_2 = sw_rd_en & (sw_addr == 4'h2); |
| wire sw_wr_en_3 = sw_wr_en & (sw_addr == 4'h3); |
| wire sw_rd_en_3 = sw_rd_en & (sw_addr == 4'h3); |
| wire sw_wr_en_4 = sw_wr_en & (sw_addr == 4'h4); |
| wire sw_rd_en_4 = sw_rd_en & (sw_addr == 4'h4); |
| wire sw_wr_en_5 = sw_wr_en & (sw_addr == 4'h5); |
| wire sw_rd_en_5 = sw_rd_en & (sw_addr == 4'h5); |
| wire sw_wr_en_6 = sw_wr_en & (sw_addr == 4'h6); |
| wire sw_rd_en_6 = sw_rd_en & (sw_addr == 4'h6); |
| wire sw_wr_en_7 = sw_wr_en & (sw_addr == 4'h7); |
| wire sw_rd_en_7 = sw_rd_en & (sw_addr == 4'h7); |
| wire sw_wr_en_8 = sw_wr_en & (sw_addr == 4'h8); |
| wire sw_rd_en_8 = sw_rd_en & (sw_addr == 4'h8); |
| wire sw_wr_en_9 = sw_wr_en & (sw_addr == 4'h9); |
| wire sw_rd_en_9 = sw_rd_en & (sw_addr == 4'h9); |
| wire sw_wr_en_10 = sw_wr_en & (sw_addr == 4'hA); |
| wire sw_rd_en_10 = sw_rd_en & (sw_addr == 4'hA); |
| wire sw_wr_en_11 = sw_wr_en & (sw_addr == 4'hB); |
| wire sw_rd_en_11 = sw_rd_en & (sw_addr == 4'hB); |
| wire sw_wr_en_12 = sw_wr_en & (sw_addr == 4'hC); |
| wire sw_rd_en_12 = sw_rd_en & (sw_addr == 4'hC); |
| wire sw_wr_en_13 = sw_wr_en & (sw_addr == 4'hD); |
| wire sw_rd_en_13 = sw_rd_en & (sw_addr == 4'hD); |
| wire sw_wr_en_14 = sw_wr_en & (sw_addr == 4'hE); |
| wire sw_rd_en_14 = sw_rd_en & (sw_addr == 4'hE); |
| wire sw_wr_en_15 = sw_wr_en & (sw_addr == 4'hF); |
| wire sw_rd_en_15 = sw_rd_en & (sw_addr == 4'hF); |
| |
| |
| always @( *) |
| begin : preg_sel_Com |
| |
| reg_out [31:0] = 32'd0; |
| |
| case (sw_addr [3:0]) |
| 4'b0000 : reg_out [31:0] = reg_0 [31:0]; |
| 4'b0001 : reg_out [31:0] = reg_1 [31:0]; |
| 4'b0010 : reg_out [31:0] = reg_2 [31:0]; |
| 4'b0011 : reg_out [31:0] = reg_3 [31:0]; |
| 4'b0100 : reg_out [31:0] = reg_4 [31:0]; |
| 4'b0101 : reg_out [31:0] = reg_5 [31:0]; |
| 4'b0110 : reg_out [31:0] = reg_6 [31:0]; |
| 4'b0111 : reg_out [31:0] = reg_7 [31:0]; |
| 4'b1000 : reg_out [31:0] = reg_8 [31:0]; |
| 4'b1001 : reg_out [31:0] = reg_9 [31:0]; |
| 4'b1010 : reg_out [31:0] = reg_10 [31:0]; |
| 4'b1011 : reg_out [31:0] = reg_11 [31:0]; |
| 4'b1100 : reg_out [31:0] = reg_12 [31:0]; |
| 4'b1101 : reg_out [31:0] = reg_13 [31:0]; |
| 4'b1110 : reg_out [31:0] = reg_14 [31:0]; |
| 4'b1111 : reg_out [31:0] = reg_15 [31:0]; |
| endcase |
| end |
| |
| |
| |
| //----------------------------------------------------------------------- |
| // Individual register assignments |
| //----------------------------------------------------------------------- |
| //----------------------------------------------------------------------- |
| // reg-0 |
| // ----------------------------------------------------------------- |
| |
| assign cpu_rst_n = reg_0[0]; |
| assign spi_rst_n = reg_0[1]; |
| assign sdram_rst_n = reg_0[2]; |
| assign cfg_sdram_clk_div = reg_0[3]; |
| |
| |
| |
| generic_register #(8,0 ) u_reg0_be0 ( |
| .we ({8{sw_wr_en_0 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_0[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg0_be1 ( |
| .we ({8{sw_wr_en_0 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_0[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg0_be2 ( |
| .we ({8{sw_wr_en_0 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_0[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg0_be3 ( |
| .we ({8{sw_wr_en_0 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_0[31:24] ) |
| ); |
| |
| |
| |
| //----------------------------------------------------------------------- |
| // reg-1, reset value = 32'hA55A_A55A |
| // ----------------------------------------------------------------- |
| assign device_idcode = reg_1[31:0]; |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'h5A)) u_reg1_be0 ( |
| .we ({8{sw_wr_en_1 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_1[7:0] ) |
| ); |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hA5) ) u_reg1_be1 ( |
| .we ({8{sw_wr_en_1 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_1[15:8] ) |
| ); |
| generic_register #(.WD(8),.RESET_DEFAULT(8'h5A) ) u_reg1_be2 ( |
| .we ({8{sw_wr_en_1 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_1[23:16] ) |
| ); |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hA5) ) u_reg1_be3 ( |
| .we ({8{sw_wr_en_1 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_1[31:24] ) |
| ); |
| |
| //----------------------------------------------------------------------- |
| // reg-2, reset value = 32'hAABBCCDD |
| //----------------------------------------------------------------- |
| assign fuse_mhartid = reg_1[31:0]; |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hDD) ) u_reg2_be0 ( |
| .we ({8{sw_wr_en_2 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_2[7:0] ) |
| ); |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hCC) ) u_reg2_be1 ( |
| .we ({8{sw_wr_en_2 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_2[15:8] ) |
| ); |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hBB) ) u_reg2_be2 ( |
| .we ({8{sw_wr_en_2 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_2[23:16] ) |
| ); |
| |
| generic_register #(.WD(8),.RESET_DEFAULT(8'hAA) ) u_reg2_be3 ( |
| .we ({8{sw_wr_en_2 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_2[31:24] ) |
| ); |
| |
| //----------------------------------------------------------------------- |
| // reg-3 |
| //----------------------------------------------------------------- |
| assign irq_lines = reg_3[15:0]; |
| assign soft_irq = reg_3[16]; |
| assign user_irq = reg_3[19:17]; |
| |
| generic_register #(8,0 ) u_reg3_be0 ( |
| .we ({8{sw_wr_en_3 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_3[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg3_be1 ( |
| .we ({8{sw_wr_en_3 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_3[15:8] ) |
| ); |
| generic_register #(4,0 ) u_reg3_be2 ( |
| .we ({1{sw_wr_en_3 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[19:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_3[19:16] ) |
| ); |
| |
| assign reg_3[31:20] = '0; |
| |
| |
| //----------------------------------------------------------------------- |
| // reg-4 |
| // recommended Default value: |
| // 1'b1,3'h3,2'h3,4'h1,4'h7',4'h2,4'h2,4'h4,2'b00,2'b10 = 32'h2F17_2242 |
| //----------------------------------------------------------------- |
| assign cfg_sdr_width = reg_4[1:0] ; // 2'b10 // 2'b00 - 32 Bit SDR, 2'b01 - 16 Bit SDR, 2'b1x - 8 Bit |
| assign cfg_colbits = reg_4[3:2] ; // 2'b00 // 8 Bit column address, |
| assign cfg_sdr_tras_d = reg_4[7:4] ; // 4'h4 // Active to precharge delay |
| assign cfg_sdr_trp_d = reg_4[11:8]; // 4'h2 // Precharge to active delay |
| assign cfg_sdr_trcd_d = reg_4[15:12]; // 4'h2 // Active to R/W delay |
| assign cfg_sdr_trcar_d = reg_4[19:16]; // 4'h7 // Auto-refresh period |
| assign cfg_sdr_twr_d = reg_4[23:20]; // 4'h1 // Write recovery delay |
| assign cfg_req_depth = reg_4[25:24]; // 2'h3 // Maximum Request accepted by SDRAM controller |
| assign cfg_sdr_cas = reg_4[28:26]; // 3'h3 // SDRAM CAS Latency |
| assign cfg_sdr_en = reg_4[29] ; // 1'b1 // Enable SDRAM controller |
| assign reg_4[30] = sdr_init_done ; // Indicate SDRAM Initialisation Done |
| assign reg_4[31] = 1'b0; |
| |
| |
| generic_register #(8,0 ) u_reg4_be0 ( |
| .we ({8{sw_wr_en_4 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_4[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg4_be1 ( |
| .we ({8{sw_wr_en_4 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_4[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg4_be2 ( |
| .we ({8{sw_wr_en_4 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_4[23:16] ) |
| ); |
| |
| generic_register #(6,0 ) u_reg4_be3 ( |
| .we ({6{sw_wr_en_4 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[29:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_4[29:24] ) |
| ); |
| //----------------------------------------------------------------------- |
| // reg-5, recomended default value {12'h100,13'h33,3'h6} = 32'h100_019E |
| //----------------------------------------------------------------- |
| assign cfg_sdr_rfmax = reg_5[2:0] ; // 3'h6 |
| assign cfg_sdr_mode_reg = reg_5[15:3] ; // 13'h033 |
| assign cfg_sdr_rfsh = reg_5[27:16]; // 12'h100 |
| |
| generic_register #(8,0 ) u_reg5_be0 ( |
| .we ({8{sw_wr_en_5 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_5[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg5_be1 ( |
| .we ({8{sw_wr_en_5 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_5[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg5_be2 ( |
| .we ({8{sw_wr_en_5 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_5[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg5_be3 ( |
| .we ({8{sw_wr_en_5 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_5[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 6 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg6_be0 ( |
| .we ({8{sw_wr_en_6 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_6[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg6_be1 ( |
| .we ({8{sw_wr_en_6 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_6[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg6_be2 ( |
| .we ({8{sw_wr_en_6 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_6[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg6_be3 ( |
| .we ({8{sw_wr_en_6 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_6[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 7 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg7_be0 ( |
| .we ({8{sw_wr_en_7 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_7[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg7_be1 ( |
| .we ({8{sw_wr_en_7 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_7[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg7_be2 ( |
| .we ({8{sw_wr_en_7 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_7[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg7_be3 ( |
| .we ({8{sw_wr_en_7 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_7[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 8 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg8_be0 ( |
| .we ({8{sw_wr_en_8 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_8[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg8_be1 ( |
| .we ({8{sw_wr_en_8 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_8[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg8_be2 ( |
| .we ({8{sw_wr_en_8 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_8[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg8_be3 ( |
| .we ({8{sw_wr_en_8 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_8[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 9 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg9_be0 ( |
| .we ({8{sw_wr_en_9 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_9[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg9_be1 ( |
| .we ({8{sw_wr_en_9 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_9[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg9_be2 ( |
| .we ({8{sw_wr_en_9 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_9[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg9_be3 ( |
| .we ({8{sw_wr_en_9 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_9[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 10 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg10_be0 ( |
| .we ({8{sw_wr_en_10 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_10[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg10_be1 ( |
| .we ({8{sw_wr_en_10 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_10[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg10_be2 ( |
| .we ({8{sw_wr_en_10 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_10[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg10_be3 ( |
| .we ({8{sw_wr_en_10 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_10[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 11 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg11_be0 ( |
| .we ({8{sw_wr_en_11 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_11[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg11_be1 ( |
| .we ({8{sw_wr_en_11 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_11[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg11_be2 ( |
| .we ({8{sw_wr_en_11 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_11[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg11_be3 ( |
| .we ({8{sw_wr_en_11 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_11[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 12 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg12_be0 ( |
| .we ({8{sw_wr_en_12 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_12[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg12_be1 ( |
| .we ({8{sw_wr_en_12 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_12[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg12_be2 ( |
| .we ({8{sw_wr_en_12 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_12[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg12_be3 ( |
| .we ({8{sw_wr_en_12 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_12[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 13 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg13_be0 ( |
| .we ({8{sw_wr_en_13 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_13[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg13_be1 ( |
| .we ({8{sw_wr_en_13 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_13[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg13_be2 ( |
| .we ({8{sw_wr_en_13 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_13[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg13_be3 ( |
| .we ({8{sw_wr_en_13 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_13[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 14 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg14_be0 ( |
| .we ({8{sw_wr_en_14 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_14[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg14_be1 ( |
| .we ({8{sw_wr_en_14 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_14[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg14_be2 ( |
| .we ({8{sw_wr_en_14 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_14[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg14_be3 ( |
| .we ({8{sw_wr_en_14 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_14[31:24] ) |
| ); |
| |
| |
| //----------------------------------------------------------------- |
| // reg- 15 |
| //----------------------------------------------------------------- |
| |
| generic_register #(8,0 ) u_reg15_be0 ( |
| .we ({8{sw_wr_en_15 & |
| wr_be[0] }} ), |
| .data_in (sw_reg_wdata[7:0] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_15[7:0] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg15_be1 ( |
| .we ({8{sw_wr_en_15 & |
| wr_be[1] }} ), |
| .data_in (sw_reg_wdata[15:8] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_15[15:8] ) |
| ); |
| generic_register #(8,0 ) u_reg15_be2 ( |
| .we ({8{sw_wr_en_15 & |
| wr_be[2] }} ), |
| .data_in (sw_reg_wdata[23:16] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_15[23:16] ) |
| ); |
| |
| generic_register #(8,0 ) u_reg15_be3 ( |
| .we ({8{sw_wr_en_15 & |
| wr_be[3] }} ), |
| .data_in (sw_reg_wdata[31:24] ), |
| .reset_n (reset_n ), |
| .clk (mclk ), |
| |
| //List of Outs |
| .data_out (reg_15[31:24] ) |
| ); |
| |
| |
| |
| |
| //---------------------------------- |
| // Generate SDRAM Div-2 Clock |
| //---------------------------------- |
| wire sdram_clk_div2; |
| |
| assign sdram_clk = (cfg_sdram_clk_div) ? sdram_clk_div2 : mclk; |
| |
| |
| clk_ctl #(1) u_sdramclk ( |
| // Outputs |
| .clk_o (sdram_clk_div2), |
| // Inputs |
| .mclk (mclk), |
| .reset_n (reset_n), |
| .clk_div_ratio (2'b00) |
| ); |
| |
| |
| |
| endmodule |
