| /// 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 [1:0] 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 |