diff --git a/bmc/pci_nuvoton_handler.cpp b/bmc/pci_nuvoton_handler.cpp
new file mode 100644
index 0000000..0a3f62e
--- /dev/null
+++ b/bmc/pci_nuvoton_handler.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "data.hpp"
+#include "pci_handler.hpp"
+
+#include <fcntl.h>
+
+#include <cstdint>
+#include <cstring>
+#include <string>
+#include <vector>
+
+namespace ipmi_flash
+{
+
+bool PciDataHandler::open()
+{
+    static constexpr auto devmem = "/dev/mem";
+
+    mappedFd = sys->open(devmem, O_RDWR | O_SYNC);
+    if (mappedFd == -1)
+    {
+        std::fprintf(stderr, "PciDataHandler::Unable to open /dev/mem");
+        return false;
+    }
+
+    mapped = reinterpret_cast<uint8_t*>(sys->mmap(
+        0, memoryRegionSize, PROT_READ, MAP_SHARED, mappedFd, regionAddress));
+    if (mapped == MAP_FAILED)
+    {
+        sys->close(mappedFd);
+        mappedFd = -1;
+        mapped = nullptr;
+
+        std::fprintf(stderr, "PciDataHandler::Unable to map region");
+        return false;
+    }
+
+    return true;
+}
+
+bool PciDataHandler::close()
+{
+    /* TODO: Turn off the P2A bridge and region to disable host-side access.
+     */
+    if (mapped)
+    {
+        sys->munmap(mapped, memoryRegionSize);
+        mapped = nullptr;
+    }
+
+    if (mappedFd != -1)
+    {
+        sys->close(mappedFd);
+        mappedFd = -1;
+    }
+
+    return true;
+}
+
+std::vector<std::uint8_t> PciDataHandler::copyFrom(std::uint32_t length)
+{
+    std::vector<std::uint8_t> results(length);
+    std::memcpy(results.data(), mapped, length);
+
+    return results;
+}
+
+bool PciDataHandler::writeMeta(const std::vector<std::uint8_t>& configuration)
+{
+    /* PCI handler doesn't require configuration write, only read. */
+    return false;
+}
+
+std::vector<std::uint8_t> PciDataHandler::readMeta()
+{
+    /* PCI handler does require returning a configuration from read. */
+    struct PciConfigResponse reply;
+    reply.address = regionAddress;
+
+    std::vector<std::uint8_t> bytes;
+    bytes.resize(sizeof(reply));
+    std::memcpy(bytes.data(), &reply, sizeof(reply));
+
+    return bytes;
+}
+
+} // namespace ipmi_flash