Subversion Repositories minsoc

`include "uart_defines.v"

module uart_top (

        wb_clk_i,

        // Wishbone signals

        wb_rst_i, wb_adr_i, wb_dat_i, wb_dat_o, wb_we_i, wb_stb_i, wb_cyc_i, wb_ack_o, wb_sel_i,

        int_o, // interrupt request

        // UART signals

        // serial input/output

        stx_pad_o, srx_pad_i,

        // modem signals

        rts_pad_o, cts_pad_i, dtr_pad_o, dsr_pad_i, ri_pad_i, dcd_pad_i

`ifdef UART_HAS_BAUDRATE_OUTPUT

        , baud_o

`endif

        );

parameter                                                        uart_data_width = `UART_DATA_WIDTH;

parameter                                                        uart_addr_width = `UART_ADDR_WIDTH;

input                                                            wb_clk_i;

// WISHBONE interface

input                                                            wb_rst_i;

input [uart_addr_width-1:0]       wb_adr_i;

input [uart_data_width-1:0]       wb_dat_i;

output [uart_data_width-1:0]      wb_dat_o;

input                                                            wb_we_i;

input                                                            wb_stb_i;

input                                                            wb_cyc_i;

input [3:0]                                                       wb_sel_i;

output                                                           wb_ack_o;

output                                                           int_o;

// UART signals

input                                                            srx_pad_i;

output                                                           stx_pad_o;

output                                                           rts_pad_o;

input                                                            cts_pad_i;

output                                                           dtr_pad_o;

input                                                            dsr_pad_i;

input                                                            ri_pad_i;

input                                                            dcd_pad_i;

// optional baudrate output

`ifdef UART_HAS_BAUDRATE_OUTPUT

output  baud_o;

`endif

endmodule