hw/dv/sv/uart_agent/uart_agent_pkg.sv

// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

package uart_agent_pkg;
  // dep packages
  import uvm_pkg::*;
  import dv_utils_pkg::*;
  import dv_lib_pkg::*;

  // macro includes
  `include "uvm_macros.svh"
  `include "dv_macros.svh"

  // 1 start + 8 data + 1 stop
  parameter uint NUM_UART_XFER_BITS_WO_PARITY = 10;

  // local types
  typedef enum bit {
    UartTx,
    UartRx
  } uart_dir_e;

  typedef enum int {
    BaudRate9600    = 9600,
    BaudRate115200  = 115200,
    BaudRate230400  = 230400,
    BaudRate1Mbps   = 1048576,
    BaudRate2Mbps   = 2097152
  } baud_rate_e;

  typedef enum {
    UartIdle,
    UartStart,
    UartData,
    UartStop
  } uart_state_e;

  // functions
  function automatic real get_baud_rate_period_ns(baud_rate_e baud_rate);
    // return 10^9 / baud_rate ns upto 3 decimal places
    case(baud_rate)
      BaudRate9600  : return 104166.667;
      BaudRate115200: return 8680.556;
      BaudRate230400: return 4340.278;
      BaudRate1Mbps : return 953.674;
      BaudRate2Mbps : return 476.837;
    endcase
  endfunction

  // package sources
  `include "uart_item.sv"
  `include "uart_agent_cfg.sv"
  `include "uart_agent_cov.sv"
  `include "uart_monitor.sv"
  `include "uart_driver.sv"
  `include "uart_sequencer.sv"
  `include "uart_agent.sv"
  `include "uart_seq_list.sv"

endpackage