zynq-sandbox

commit 4d881b967400969a06531d2c372f1bd1f9b9dc81
parent 25aa415874e0ab76776b6da4edb0dd8c1a6b8f22
Author: Brian Swetland <swetland@frotz.net>
Date:   Sun, 27 Jul 2014 20:38:47 -0700

axi-sram: handle axi3 lengths (4 vs 8bit) and single-count bursts

Diffstat:
M
hdl/axi_sram.sv
 | 
5
+++--

1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/hdl/axi_sram.sv b/hdl/axi_sram.sv
@@ -24,6 +24,7 @@ module axi_sram(
 `define IWIDTH $bits(s.awid)
 `define AWIDTH $bits(s.awaddr)
 `define DWIDTH $bits(s.wdata)
+`define LWIDTH $bits(s.awlen)
 
 // LIMITATIONS / TODO
 // - only supports INCR bursts (and treats all bursts as INCR type)
@@ -101,8 +102,8 @@ reg next_arready;
 reg next_rvalid;
 reg next_rlast;
 
-reg [7:0]rcount = 0;
-reg [7:0]next_rcount;
+reg [`LWIDTH-1:0]rcount = 0;
+reg [`LWIDTH-1:0]next_rcount;
 reg [`AWIDTH-1:0]raddr = 0;
 reg [`AWIDTH-1:0]next_raddr;