From a7d92072c0bdc3a3e1c99de64f353e932846bc2a Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sat, 4 May 2024 14:19:48 -0600
Subject: rtl/pkt_switch: replace axi_timer example with pkt_switch

---
 rtl/axi_timer/axi_timer.sv | 125 ---------------------------------------------
 1 file changed, 125 deletions(-)
 delete mode 100644 rtl/axi_timer/axi_timer.sv

(limited to 'rtl/axi_timer/axi_timer.sv')

diff --git a/rtl/axi_timer/axi_timer.sv b/rtl/axi_timer/axi_timer.sv
deleted file mode 100644
index 80a1805..0000000
--- a/rtl/axi_timer/axi_timer.sv
+++ /dev/null
@@ -1,125 +0,0 @@
-//axi_timer top file
-
-module axi_timer(
-  input i_clk,
-  input i_rst_n,
-
-  axi_bus.Slave axi_slave,
-
-  output logic  o_IRQ
-  );
-
-// verilator lint_off CASEINCOMPLETE
-// verilator lint_off WIDTHEXPAND
-// verilator lint_off WIDTHTRUNC
-
-enum logic [2:0] {
-  CR_ADDR       = 3'd0,
-  SR_ADDR       = 3'd1,
-  PERIOD_ADDR   = 3'd2,
-  COUNTER_ADDR  = 3'd3,
-  IRQ_CNT_ADDR  = 3'd4
-} address_map;
-
-/*Register map for axi_timer */
-//CR register
-logic         enable;
-//SR register
-logic         irq;
-//PERIOD register
-logic [31:0]  period;
-//COUNTER register
-logic [31:0]  counter;
-//IRQ_CNT register
-logic [31:0]  irq_cnt;
-
-/* Native interface for access to register */
-logic         addr_valid;
-logic         addr;
-logic         addr_ready;
-logic         addr_write;
-
-logic         write_valid;
-logic [31:0]  wdata;
-logic         write_ready;
-
-logic         read_valid;
-logic [31:0]  rdata;
-logic         read_ready;
-
-/* Address section */
-assign  addr_valid        = axi_slave.AVALID;
-assign  addr_write        = axi_slave.AWRITE;
-assign  axi_slave.AREADY  = addr_ready;
-
-always_ff @ (posedge i_clk, negedge i_rst_n)
-  if(!i_rst_n)
-    addr_ready  <=  1'b0;
-  else if(addr_valid & addr_write)
-    addr_ready  <=  1'b1;
-  else
-    addr_ready  <=  1'b0;
-
-always_ff @ (posedge i_clk, negedge i_rst_n)
-  if(!i_rst_n)
-    addr  <=  'h0;
-  else if(addr_ready & addr_write)
-    addr  <=  axi_slave.ADDR;
-
-/*Write section */
-assign  write_valid       = axi_slave.WVALID;
-assign  axi_slave.WREADY  = write_ready;
-assign  wdata             = axi_slave.WDATA;
-
-always_ff @ (posedge i_clk, negedge i_rst_n)
-  if(!i_rst_n)
-    write_ready <=  1'b0;
-  else if(write_valid)
-    write_ready <=  1'b1;
-  else
-    write_ready <=  1'b0;
-
-/* registers write logic */
-always_ff @ (posedge i_clk, negedge i_rst_n)
-  if(!i_rst_n) begin
-    enable  <=  1'b0;
-    period  <=  32'd0;
-    irq_cnt <=  32'd0;
-  end
-  else if(write_valid) begin
-    case(addr)
-      CR_ADDR:      enable  <=  wdata[0];
-      PERIOD_ADDR:  counter <=  wdata;
-      IRQ_CNT_ADDR: irq_cnt <=  wdata;
-    endcase
-  end
-
-/*Read section */
-assign axi_slave.RVALID = read_valid;
-assign read_ready = axi_slave.RREADY;
-assign axi_slave.RDATA = rdata;
-
-always_ff @ (posedge i_clk, negedge i_rst_n)
-  if(!i_rst_n) begin
-    rdata       <=  32'd0;
-    read_valid  <=  1'b0;
-  end
-  else if(read_ready) begin
-    read_valid  <=  1'b1;
-    case(addr)
-      CR_ADDR:      rdata <=  {31'd0, enable};
-      SR_ADDR:      rdata <=  {31'd0, irq};
-      PERIOD_ADDR:  rdata <=  period;
-      COUNTER_ADDR: rdata <=  counter;
-      IRQ_CNT_ADDR: rdata <=  irq_cnt;
-    endcase
-  end
-  else begin
-    read_valid  <=  1'b0;
-    rdata       <=  32'd0;
-  end
-
-
-
-
-endmodule //axi_timer
-- 
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