Add APB4 cpuif

tests/lib/cpuifs/apb4/tb_inst.sv

@@ -0,0 +1,36 @@
+{% sv_line_anchor %}
+apb4_intf #(
+    .DATA_WIDTH({{exporter.cpuif.data_width}}),
+    .ADDR_WIDTH({{exporter.cpuif.addr_width}})
+) s_apb();
+apb4_intf_driver #(
+    .DATA_WIDTH({{exporter.cpuif.data_width}}),
+    .ADDR_WIDTH({{exporter.cpuif.addr_width}})
+) cpuif (
+    .clk(clk),
+    .rst(rst),
+    .m_apb(s_apb)
+);
+{% if type(cpuif).__name__.startswith("Flat") %}
+{% sv_line_anchor %}
+wire s_apb_psel;
+wire s_apb_penable;
+wire s_apb_pwrite;
+wire [2:0] s_apb_pprot;
+wire [{{exporter.cpuif.addr_width - 1}}:0] s_apb_paddr;
+wire [{{exporter.cpuif.data_width - 1}}:0] s_apb_pwdata;
+wire [{{exporter.cpuif.data_width_bytes - 1}}:0] s_apb_pstrb;
+wire s_apb_pready;
+wire [{{exporter.cpuif.data_width - 1}}:0] s_apb_prdata;
+wire s_apb_pslverr;
+assign s_apb_psel = s_apb.PSEL;
+assign s_apb_penable = s_apb.PENABLE;
+assign s_apb_pwrite = s_apb.PWRITE;
+assign s_apb_pprot = s_apb.PPROT;
+assign s_apb_paddr = s_apb.PADDR;
+assign s_apb_pwdata = s_apb.PWDATA;
+assign s_apb_pstrb = s_apb.PSTRB;
+assign s_apb.PREADY = s_apb_pready;
+assign s_apb.PRDATA = s_apb_prdata;
+assign s_apb.PSLVERR = s_apb_pslverr;
+{% endif %}