//#############################################################################
//# Function: Single Port Memory                                              #
//#############################################################################
//# Author:   Andreas Olofsson                                                #
//# License:  MIT (see LICENSE file in OH! repository)                        # 
//#############################################################################

module oh_memory_sp  # (parameter DW    = 104,          // memory width
			parameter DEPTH = 32,           // memory depth
			parameter MCW   = 8,            // repair/config width
			parameter AW    = $clog2(DEPTH) // address bus width  
		       ) 
   (// memory interface (single port)
    input 	    clk, // clock
    input 	    en, // memory access   
    input 	    we, // write enable global signal   
    input [DW-1:0]  wem, // write enable vector
    input [AW-1:0]  addr, // address
    input [DW-1:0]  din, // data input
    output [DW-1:0] dout, // data output
    // Power/repair (ASICs)
    input 	    vss, // common ground   
    input 	    vdd, // periphery power rail
    input 	    vddm, // sram array power rail
    input 	    shutdown, // shutdown signal from always on domain   
    input [MCW-1:0] memconfig, // generic memory config      
    input [MCW-1:0] memrepair, // repair vector   
    // BIST interface (ASICs)
    input 	    bist_en, // bist enable
    input 	    bist_we, // write enable global signal   
    input [DW-1:0]  bist_wem, // write enable vector
    input [AW-1:0]  bist_addr, // address
    input [DW-1:0]  bist_din  // data input
    );


`ifdef CFG_ASIC
   asic_sram_sp #(.DW(DW),
		  .DEPTH(DEPTH),
		  .MCW(MCW))	     
   macro (// Outputs
	  .dout       (dout[DW-1:0]),
	  // Inputs
	  .clk        (clk),
	  .en         (en),
	  .we         (we),
	  .wem        (wem[DW-1:0]),
	  .addr       (addr[AW-1:0]),
	  .din        (din[DW-1:0]),
	  .vdd        (vdd),
	  .vddm       (vddm),
	  .vss        (vss),
	  .shutdown   (shutdown),
	  .memconfig  (memconfig[MCW-1:0]),
	  .memrepair  (memrepair[MCW-1:0]),
	  .bist_en    (bist_en),
	  .bist_we    (bist_we),
	  .bist_wem   (bist_wem[DW-1:0]),
	  .bist_addr  (bist_addr[AW-1:0]),
	  .bist_din   (bist_din[DW-1:0]));
`else // !`ifdef CFG_ASIC
   oh_memory_ram #(.DW(DW),
		   .DEPTH(DEPTH))	     
   macro (//read port
	  .rd_dout (dout[DW-1:0]),
	  .rd_clk  (clk),
	  .rd_addr (addr[AW-1:0]),
	  .rd_en   (en & ~we),
	  //write port
	  .wr_clk  (clk),
	  .wr_en   (en & we),
	  .wr_addr (addr[AW-1:0]),
	  .wr_wem  (wem[DW-1:0]),
	  .wr_din  (din[DW-1:0]));
`endif
  
endmodule // oh_memory_sp