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soc/src: Fix small FIFO bugs, correct DDR paramaterization

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This commit is contained in:
Marcus Mellor 2024-03-06 16:12:03 -06:00
parent 56b3192188
commit ce25816e44
3 changed files with 117 additions and 118 deletions
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54
soc/src/bsg_dmc_ahb.sv
View File

@ -32,41 +32,39 @@ module bsg_dmc_ahb
import bsg_tag_pkg::*;
import bsg_dmc_pkg::*;
#(
parameter ADDR_SIZE = 28,
parameter DATA_SIZE = 64,
parameter AHB_ADDR_SIZE = 28,
parameter AHB_DATA_SIZE = 64,
parameter DDR_DATA_SIZE = 32,
parameter BURST_LENGTH = 8,
parameter FIFO_DEPTH = 4,
parameter FIFO_DEPTH = 4
) (
input logic HCLK, HRESETn,
input logic HSEL,
input logic [ADDR_SIZE-1:0] HADDR,
input logic [DATA_SIZE-1:0] HWDATA,
input logic [DATA_SIZE/8-1:0] HWSTRB,
input logic [AHB_ADDR_SIZE-1:0] HADDR,
input logic [AHB_DATA_SIZE-1:0] HWDATA,
input logic [AHB_DATA_SIZE/8-1:0] HWSTRB,
input logic HWRITE,
input logic [1:0] HTRANS,
input logic HREADY,
output logic [DATA_SIZE-1:0] HRDATA,
output logic [AHB_DATA_SIZE-1:0] HRDATA,
output logic HRESP, HREADYOUT,
//input logic ui_clk // Add this once PLL is integrated
//input logic ui_clk, // Add this once PLL is integrated
output logic ddr_ck_p, ddr_ck_n, ddr_cke,
output logic [2:0] ddr_ba,
output logic [15:0] ddr_addr,
output logic [13:0] ddr_addr,
output logic ddr_cs, ddr_ras, ddr_cas,
output logic ddr_we, ddr_reset, ddr_odt,
output logic [DATA_SIZE/16-1:0] ddr_dm_oen, ddr_dm,
output logic [DATA_SIZE/16-1:0] ddr_dqs_p_oen, ddr_dqs_p_ien, ddr_dqs_p_out,
input logic [DATA_SIZE/16-1:0] ddr_dqs_p_in,
output logic [DATA_SIZE/16-1:0] ddr_dqs_n_oen, ddr_dqs_n_ien, ddr_dqs_n_out,
input logic [DATA_SIZE/16-1:0] ddr_dqs_n_in,
output logic [DATA_SIZE/2-1:0] ddr_dq_oen, ddr_dq_out,
input logic [DATA_SIZE/2-1:0] ddr_dq_in,
output logic [DDR_DATA_SIZE/8-1:0] ddr_dm_oen, ddr_dm,
output logic [DDR_DATA_SIZE/8-1:0] ddr_dqs_p_oen, ddr_dqs_p_ien, ddr_dqs_p_out,
input logic [DDR_DATA_SIZE/8-1:0] ddr_dqs_p_in,
output logic [DDR_DATA_SIZE/8-1:0] ddr_dqs_n_oen, ddr_dqs_n_ien, ddr_dqs_n_out,
input logic [DDR_DATA_SIZE/8-1:0] ddr_dqs_n_in,
output logic [DDR_DATA_SIZE-1:0] ddr_dq_oen, ddr_dq_out,
input logic [DDR_DATA_SIZE-1:0] ddr_dq_in,
input logic dfi_clk_2x,
output logic dfi_clk_1x
);
localparam BURST_DATA_SIZE = DATA_SIZE * BURST_LENGTH;
// localparam DQ_DATA_SIZE = DATA_SIZE >> 1;
// Global async reset
logic sys_reset;
@ -77,13 +75,13 @@ module bsg_dmc_ahb
// UI signals
logic ui_clk_sync_rst;
logic [ADDR_SIZE-1:0] app_addr;
logic [AHB_ADDR_SIZE-1:0] app_addr;
logic [2:0] app_cmd;
logic app_en, app_rdy, app_wdf_wren;
logic [DATA_SIZE-1:0] app_wdf_data;
logic [DATA_SIZE/8-1:0] app_wdf_mask;
logic [AHB_DATA_SIZE-1:0] app_wdf_data;
logic [AHB_DATA_SIZE/8-1:0] app_wdf_mask;
logic app_wdf_end, app_wdf_rdy;
logic [DATA_SIZE-1:0] app_rd_data;
logic [AHB_DATA_SIZE-1:0] app_rd_data;
logic app_rd_data_end, app_rd_data_valid;
logic app_ref_ack, app_zq_ack, app_sr_active; // Sink unused UI signals
logic init_calib_complete;
@ -120,7 +118,7 @@ module bsg_dmc_ahb
dmc_config.bank_pos = 25;
end
ahbxuiconverter #(ADDR_SIZE, DATA_SIZE) bsg_dmc_ahb_ui_converter (
ahbxuiconverter #(AHB_ADDR_SIZE, AHB_DATA_SIZE) bsg_dmc_ahb_ui_converter (
.HCLK, .HRESETn, .HSEL, .HADDR, .HWDATA, .HWSTRB, .HWRITE, .HTRANS, .HREADY, .HRDATA, .HRESP, .HREADYOUT,
.sys_reset, .ui_clk, .ui_clk_sync_rst,
.app_addr, .app_cmd, .app_en, .app_rdy,
@ -131,10 +129,10 @@ module bsg_dmc_ahb
bsg_dmc #(
.num_adgs_p(1),
.ui_addr_width_p(ADDR_SIZE),
.ui_data_width_p(DATA_SIZE),
.burst_data_width_p(BURST_DATA_SIZE),
.dq_data_width_p(DATA_SIZE/2),
.ui_addr_width_p(AHB_ADDR_SIZE),
.ui_data_width_p(AHB_DATA_SIZE),
.burst_data_width_p(AHB_DATA_SIZE * BURST_LENGTH),
.dq_data_width_p(DDR_DATA_SIZE),
.cmd_afifo_depth_p(FIFO_DEPTH),
.cmd_sfifo_depth_p(FIFO_DEPTH)
) dmc (

3
soc/src/fifo/rptr_empty.sv
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@ -2,7 +2,7 @@
// rptr_empty.sv
//
// Written: Clifford E Cummings 16 June 2005
// Modified: james.stine@okstate.edu 19 February 2024
// Modified: infinitymdm@gmail.com 5 March 2024
//
// Purpose: FIFO read pointer and empty generation logic
//
@ -37,6 +37,7 @@ module rptr_empty #(parameter ADDRSIZE = 4)
output logic [ADDRSIZE-1:0] raddr;
output logic [ADDRSIZE :0] rptr;
logic rempty_val;
logic [ADDRSIZE:0] rbin;
logic [ADDRSIZE:0] rgraynext;
logic [ADDRSIZE:0] rbinnext;

4
soc/src/fifo/wptr_full.sv
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@ -2,7 +2,7 @@
// wptr_full.sv
//
// Written: Clifford E Cummings 16 June 2005
// Modified: james.stine@okstate.edu 19 February 2024
// Modified: infinitymdm@gmail.com 5 March 2024
//
// Purpose: FIFO write pointer and full generation logic
//
@ -33,11 +33,11 @@ module wptr_full #(parameter ADDRSIZE = 4)
input logic winc;
input logic wclk;
input logic wrst_n;
output logic wfull;
output logic [ADDRSIZE-1:0] waddr;
output logic [ADDRSIZE:0] wptr;
logic wfull_val;
logic [ADDRSIZE:0] wbin;
logic [ADDRSIZE:0] wgraynext;
logic [ADDRSIZE:0] wbinnext;