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@@ -0,0 +1,67 @@
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+// SPDX-License-Identifier: GPL-2.0+
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+/*
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+ * Copyright (C) 2020 Amit Singh Tomar <amittomer25@gmail.com>
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+ *
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+ * Actions DWMAC specific glue layer
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+ */
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+
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+#include <common.h>
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+#include <asm/io.h>
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+#include <dm.h>
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+#include <clk.h>
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+#include <phy.h>
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+#include <regmap.h>
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+#include <reset.h>
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+#include <syscon.h>
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+#include "designware.h"
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+#include <asm/arch-owl/regs_s700.h>
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+#include <linux/bitops.h>
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+
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+/* pin control for MAC */
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+#define RMII_TXD01_MFP_CTL0 (0x0 << 16)
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+#define RMII_RXD01_MFP_CTL0 (0x0 << 8)
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+#define RMII_TXEN_TXER_MFP_CTL0 (0x0 << 13)
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+#define RMII_REF_CLK_MFP_CTL0 (0x0 << 6)
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+#define CLKO_25M_EN_MFP_CTL3 BIT(30)
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+static void dwmac_board_setup(void)
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+{
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+ clrbits_le32(MFP_CTL0, (RMII_TXD01_MFP_CTL0 | RMII_RXD01_MFP_CTL0 |
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+ RMII_TXEN_TXER_MFP_CTL0 | RMII_REF_CLK_MFP_CTL0));
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+
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+ setbits_le32(MFP_CTL3, CLKO_25M_EN_MFP_CTL3);
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+}
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+
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+static int dwmac_s700_probe(struct udevice *dev)
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+{
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+ dwmac_board_setup();
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+
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+ /* This is undocumented, phy interface select register */
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+ writel(0x4, 0xe024c0a0);
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+
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+ return designware_eth_probe(dev);
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+}
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+
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+static int dwmac_s700_ofdata_to_platdata(struct udevice *dev)
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+{
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+ return designware_eth_ofdata_to_platdata(dev);
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+}
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+
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+static const struct udevice_id dwmac_s700_ids[] = {
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+ {.compatible = "actions,s700-ethernet"},
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+ { }
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+};
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+
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+U_BOOT_DRIVER(dwmac_s700) = {
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+ .name = "dwmac_s700",
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+ .id = UCLASS_ETH,
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+ .of_match = dwmac_s700_ids,
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+ .ofdata_to_platdata = dwmac_s700_ofdata_to_platdata,
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+ .probe = dwmac_s700_probe,
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+ .ops = &designware_eth_ops,
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+ .priv_auto_alloc_size = sizeof(struct dw_eth_dev),
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+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
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+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
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+};
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