module top_tukka_proj (clk1,clk2,reset_n,sel_clk2,cs,we,address,write_data,read_data,error);

input    clk1;      // Clock 1 supposed to be faster
input    clk2;      // Clock 2  supposed to be slower
input    reset_n;   // System reset
input    sel_clk2;  // Select clock2 when high
//for SHA
// Control.
input wire cs;
input wire we;
// Data ports.
input wire  [7 : 0]  address;
input wire  [31 : 0] write_data;
output wire [31 : 0] read_data;
output wire error;
//output clock
wire clk1or2;    // Selected clock

//clock mux instintiated
clock_mux clock_mux0(
.clk1(clk1),     
.clk2(clk2),     
.reset_n(reset_n),  
.sel_clk2(sel_clk2), 
.clk1or2(clk1or2)   
);
//sha instintiated
sha256 dut(
.clk(clk1or2),
.reset_n(reset_n),
.cs(cs),
.we(we),
.address(address),
.write_data(write_data),
.read_data(read_data),
.error(error)
);

endmodule