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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2020 Amit Singh Tomar <amittomer25@gmail.com>
- *
- * Actions DWMAC specific glue layer
- */
- #include <common.h>
- #include <asm/global_data.h>
- #include <asm/io.h>
- #include <dm.h>
- #include <clk.h>
- #include <phy.h>
- #include <regmap.h>
- #include <reset.h>
- #include <syscon.h>
- #include "designware.h"
- #include <asm/arch-owl/regs_s700.h>
- #include <linux/bitops.h>
- /* pin control for MAC */
- #define RMII_TXD01_MFP_CTL0 (0x0 << 16)
- #define RMII_RXD01_MFP_CTL0 (0x0 << 8)
- #define RMII_TXEN_TXER_MFP_CTL0 (0x0 << 13)
- #define RMII_REF_CLK_MFP_CTL0 (0x0 << 6)
- #define CLKO_25M_EN_MFP_CTL3 BIT(30)
- DECLARE_GLOBAL_DATA_PTR;
- static void dwmac_board_setup(void)
- {
- clrbits_le32(MFP_CTL0, (RMII_TXD01_MFP_CTL0 | RMII_RXD01_MFP_CTL0 |
- RMII_TXEN_TXER_MFP_CTL0 | RMII_REF_CLK_MFP_CTL0));
- setbits_le32(MFP_CTL3, CLKO_25M_EN_MFP_CTL3);
- }
- static int dwmac_s700_probe(struct udevice *dev)
- {
- dwmac_board_setup();
- /* This is undocumented, phy interface select register */
- writel(0x4, 0xe024c0a0);
- return designware_eth_probe(dev);
- }
- static int dwmac_s700_of_to_plat(struct udevice *dev)
- {
- return designware_eth_of_to_plat(dev);
- }
- static const struct udevice_id dwmac_s700_ids[] = {
- {.compatible = "actions,s700-ethernet"},
- { }
- };
- U_BOOT_DRIVER(dwmac_s700) = {
- .name = "dwmac_s700",
- .id = UCLASS_ETH,
- .of_match = dwmac_s700_ids,
- .of_to_plat = dwmac_s700_of_to_plat,
- .probe = dwmac_s700_probe,
- .ops = &designware_eth_ops,
- .priv_auto = sizeof(struct dw_eth_dev),
- .plat_auto = sizeof(struct eth_pdata),
- .flags = DM_FLAG_ALLOC_PRIV_DMA,
- };
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