sw/device/lib/arch/device_sim_dv.c

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

#include "sw/device/lib/arch/device.h"

/**
 * Device-specific symbol definitions for the Verilator device.
 */

const device_type_t kDeviceType = kDeviceSimDV;

// TODO: DV testbench completely randomizes these. Need to add code to
// retrieve these from a preloaded memory location set by the testbench.

const uint64_t kClockFreqCpuHz = 100 * 1000 * 1000;  // 100MHz

const uint64_t kClockFreqPeripheralHz = 24 * 1000 * 1000;  // 24MHz

const uint64_t kClockFreqUsbHz = 48 * 1000 * 1000;  // 48MHz

const uint64_t kClockFreqAonHz = 200 * 1000;  // 200kHz

const uint64_t kUartBaudrate = 1 * 1000 * 1000;  // 1Mbps

const uint32_t kUartNCOValue =
    CALCULATE_UART_NCO(kUartBaudrate, kClockFreqPeripheralHz);

const uint32_t kUartTxFifoCpuCycles =
    CALCULATE_UART_TX_FIFO_CPU_CYCLES(kUartBaudrate, kClockFreqCpuHz);

// Defined in `hw/top_earlgrey/dv/env/chip_env_pkg.sv`
const uintptr_t kDeviceTestStatusAddress = 0x30000000;

// Defined in `hw/top_earlgrey/dv/env/chip_env_pkg.sv`
const uintptr_t kDeviceLogBypassUartAddress = 0x30000004;