sw/device/lib/dif/dif_smc_ctrl.c

// Copyright 2022 Google LLC.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

#include "sw/device/lib/dif/dif_smc_ctrl.h"

#include <stddef.h>

#include "sw/device/lib/base/bitfield.h"
#include "sw/device/lib/base/macros.h"
#include "sw/device/lib/dif/dif_base.h"

#include "smc_ctrl_regs.h"  // Generated.


dif_result_t dif_smc_ctrl_set_regwen(const dif_smc_ctrl_t *smc_ctrl) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  mmio_region_write32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_REGWEN_REG_OFFSET, 1);
  return kDifOk;
}

dif_result_t dif_smc_ctrl_clear_regwen(const dif_smc_ctrl_t *smc_ctrl) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  mmio_region_write32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_REGWEN_REG_OFFSET, 0);
  return kDifOk;
}

dif_result_t dif_smc_ctrl_read_regwen(const dif_smc_ctrl_t *smc_ctrl, uint32_t *result) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  *result = mmio_region_read32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_REGWEN_REG_OFFSET);
  return kDifOk;
}

dif_result_t dif_smc_ctrl_set_en(const dif_smc_ctrl_t *smc_ctrl) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  mmio_region_write32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_CTRL_REG_OFFSET, 1);
  return kDifOk;
}

dif_result_t dif_smc_ctrl_clear_en(const dif_smc_ctrl_t *smc_ctrl) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  mmio_region_write32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_CTRL_REG_OFFSET, 0);
  return kDifOk;
}

dif_result_t dif_smc_ctrl_read_en(const dif_smc_ctrl_t *smc_ctrl, uint32_t *result) {

  if (smc_ctrl == NULL) {
    return kDifBadArg;
  }

  *result = mmio_region_read32(smc_ctrl->base_addr, SMC_CTRL_SMC_BOOT_EN_CTRL_REG_OFFSET);
  return kDifOk;
}