zircon/system/dev/board/sherlock/sherlock-nna.cc

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "sherlock.h"

#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/bus.h>
#include <soc/aml-t931/t931-hw.h>

namespace sherlock {

static pbus_mmio_t sherlock_nna_mmios[] = {
  {
    .base = T931_NNA_BASE,
    .length = T931_NNA_LENGTH,
  },
  // HIU for clocks.
  {
    .base = T931_HIU_BASE,
    .length = T931_HIU_LENGTH,
  },
  // Power domain
  {
    .base = T931_POWER_DOMAIN_BASE,
    .length = T931_POWER_DOMAIN_LENGTH,
  },
  // Memory PD
  {
    .base = T931_MEMORY_PD_BASE,
    .length = T931_MEMORY_PD_LENGTH,
  },
};

static pbus_bti_t nna_btis[] = {
  {
    .iommu_index = 0,
    .bti_id = BTI_NNA,
  },
};

static pbus_irq_t nna_irqs[] = {
  {
    .irq = T931_NNA_IRQ,
    .mode = ZX_INTERRUPT_MODE_LEVEL_HIGH,
  },
};

static pbus_dev_t nna_dev = []() {
  pbus_dev_t dev = {};
  dev.name = "aml-nna";
  dev.vid = PDEV_VID_AMLOGIC;
  dev.pid = PDEV_PID_AMLOGIC_T931;
  dev.did = PDEV_DID_AMLOGIC_NNA;
  dev.mmio_list = sherlock_nna_mmios;
  dev.mmio_count = countof(sherlock_nna_mmios);
  dev.bti_list = nna_btis;
  dev.bti_count = countof(nna_btis);
  dev.irq_list = nna_irqs;
  dev.irq_count = countof(nna_irqs);
  return dev;
}();

zx_status_t Sherlock::NnaInit() {
  zx_status_t status = pbus_.DeviceAdd(&nna_dev);
  if (status != ZX_OK) {
    zxlogf(ERROR, "Sherlock::NnaInit: pbus_device_add() failed for nna: %d\n", status);
    return status;
  }
  return ZX_OK;
}

} // namespace sherlock