Init

src/includes/scr1_ahb.svh

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+/// Copyright by Syntacore LLC © 2016-2021. See LICENSE for details
+/// @file       <scr1_ahb.svh>
+/// @brief      AHB header file
+///
+
+`ifndef SCR1_AHB_SVH
+`define SCR1_AHB_SVH
+
+`include "scr1_arch_description.svh"
+
+parameter SCR1_AHB_WIDTH  = 32;
+
+// Encoding for HTRANS signal
+parameter logic [1:0] SCR1_HTRANS_IDLE   = 2'b00;
+parameter logic [1:0] SCR1_HTRANS_NONSEQ = 2'b10;
+`ifdef SCR1_XPROP_EN
+parameter logic [1:0] SCR1_HTRANS_ERR    = 'x;
+`else // SCR1_XPROP_EN
+parameter logic [1:0] SCR1_HTRANS_ERR    = '0;
+`endif // SCR1_XPROP_EN
+
+// Encoding for HBURST signal
+parameter logic [2:0] SCR1_HBURST_SINGLE = 3'b000;
+`ifdef SCR1_XPROP_EN
+parameter logic [2:0] SCR1_HBURST_ERR    = 'x;
+`else // SCR1_XPROP_EN
+parameter logic [1:0] SCR1_HBURST_ERR    = '0;
+`endif // SCR1_XPROP_EN
+
+// Encoding for HSIZE signal
+parameter logic [2:0] SCR1_HSIZE_8B    = 3'b000;
+parameter logic [2:0] SCR1_HSIZE_16B   = 3'b001;
+parameter logic [2:0] SCR1_HSIZE_32B   = 3'b010;
+`ifdef SCR1_XPROP_EN
+parameter logic [2:0] SCR1_HSIZE_ERR   = 'x;
+`else // SCR1_XPROP_EN
+parameter logic [2:0] SCR1_HSIZE_ERR   = '0;
+`endif // SCR1_XPROP_EN
+
+// Encoding HPROT signal
+// HPROT[0] : 0 - instr;      1 - data
+// HPROT[1] : 0 - user;       1 - privilege
+// HPROT[2] : 0 - not buffer; 1 - buffer
+// HPROT[3] : 0 - cacheable;  1 - cacheable
+parameter SCR1_HPROT_DATA  = 0;
+parameter SCR1_HPROT_PRV   = 1;
+parameter SCR1_HPROT_BUF   = 2;
+parameter SCR1_HPROT_CACHE = 3;
+
+// Encoding HRESP signal
+parameter logic SCR1_HRESP_OKAY  = 1'b0;
+parameter logic SCR1_HRESP_ERROR = 1'b1;
+`ifdef SCR1_XPROP_EN
+parameter logic SCR1_HRESP_ERR   = 1'bx;
+`else // SCR1_XPROP_EN
+parameter logic SCR1_HRESP_ERR   = 1'b0;
+`endif // SCR1_XPROP_EN
+
+`endif // SCR1_AHB_SVH