Function n3000_write_done

dpdk/drivers/raw/ifpga/base/ifpga_sec_mgr.c:284–349

}

static int n3000_write_done(struct ifpga_sec_mgr *smgr)
{
	struct intel_max10_device *dev = NULL;
	uint32_t doorbell = 0;
	uint32_t prog = 0;
	uint32_t status = 0;
	int ret = 0;

	if (!smgr || !smgr->max10_dev)
		return -ENODEV;
	dev = (struct intel_max10_device *)smgr->max10_dev;

	ret = max10_sys_read(dev, MAX10_DOORBELL, &doorbell);
	if (ret < 0) {
		dev_err(dev,
			"Failed to read max10 doorbell register [e:%d]\n",
			ret);
		return ret;
	}

	prog = SEC_PROGRESS_G(doorbell);
	if (prog != SEC_PROGRESS_READY)
		return -EBUSY;

	ret = max10_sys_update_bits(dev, MAX10_DOORBELL, HOST_STATUS,
		HOST_STATUS_S(HOST_STATUS_WRITE_DONE));
	if (ret < 0) {
		dev_err(dev,
			"Failed to update max10 doorbell register [e:%d]\n",
			ret);
		return ret;
	}

	ret = poll_timeout(dev, MAX10_DOORBELL, secure_prog_ready,
		IFPGA_NIOS_HANDSHAKE_INTERVAL_MS,
		IFPGA_NIOS_HANDSHAKE_TIMEOUT_MS);
	if (ret < 0) {
		dev_err(dev,
			"Failed to poll max10 doorbell register [e:%d]\n",
			ret);
		return ret;
	}

	ret = max10_sys_read(dev, MAX10_DOORBELL, &doorbell);
	if (ret < 0) {
		dev_err(dev,
			"Failed to read max10 doorbell register [e:%d]\n",
			ret);
		return ret;
	}

	status = SEC_STATUS_G(doorbell);
	switch (status) {
	case SEC_STATUS_NORMAL:
	case SEC_STATUS_NIOS_OK:
	case SEC_STATUS_USER_OK:
	case SEC_STATUS_FACTORY_OK:
		ret = 0;