2 files changed, 100 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
new file mode 100644
index 000000000000..614650e9a71f
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2024 Hisilicon Limited. */
+
+#ifndef __HBG_COMMON_H
+#define __HBG_COMMON_H
+
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+
+struct hbg_priv {
+	struct net_device *netdev;
+	struct pci_dev *pdev;
+	u8 __iomem *io_base;
+};
+
+#endif
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
new file mode 100644
index 000000000000..86027434d5e0
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2024 Hisilicon Limited.
+
+#include <linux/etherdevice.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include "hbg_common.h"
+
+static int hbg_pci_init(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct hbg_priv *priv = netdev_priv(netdev);
+	struct device *dev = &pdev->dev;
+	int ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to enable PCI device\n");
+
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to set PCI DMA mask\n");
+
+	ret = pcim_iomap_regions(pdev, BIT(0), dev_driver_string(dev));
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to map PCI bar space\n");
+
+	priv->io_base = pcim_iomap_table(pdev)[0];
+	if (!priv->io_base)
+		return dev_err_probe(dev, -ENOMEM, "failed to get io base\n");
+
+	pci_set_master(pdev);
+	return 0;
+}
+
+static int hbg_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct device *dev = &pdev->dev;
+	struct net_device *netdev;
+	struct hbg_priv *priv;
+	int ret;
+
+	netdev = devm_alloc_etherdev(dev, sizeof(struct hbg_priv));
+	if (!netdev)
+		return -ENOMEM;
+
+	pci_set_drvdata(pdev, netdev);
+	SET_NETDEV_DEV(netdev, dev);
+
+	priv = netdev_priv(netdev);
+	priv->netdev = netdev;
+	priv->pdev = pdev;
+
+	ret = hbg_pci_init(pdev);
+	if (ret)
+		return ret;
+
+	netdev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
+
+	ret = devm_register_netdev(dev, netdev);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to register netdev\n");
+
+	netif_carrier_off(netdev);
+	return 0;
+}
+
+static const struct pci_device_id hbg_pci_tbl[] = {
+	{PCI_VDEVICE(HUAWEI, 0x3730), 0},
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, hbg_pci_tbl);
+
+static struct pci_driver hbg_driver = {
+	.name		= "hibmcge",
+	.id_table	= hbg_pci_tbl,
+	.probe		= hbg_probe,
+};
+module_pci_driver(hbg_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Huawei Tech. Co., Ltd.");
+MODULE_DESCRIPTION("hibmcge driver");
+MODULE_VERSION("1.0");