| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2016 Amarula Solutions B.V. |
| * Copyright (C) 2016 Engicam S.r.l. |
| * Author: Jagan Teki <jagan@amarulasolutions.com> |
| */ |
| |
| #include <common.h> |
| #include <miiphy.h> |
| #include <netdev.h> |
| |
| #include <asm/io.h> |
| #include <asm-generic/gpio.h> |
| |
| #include <linux/delay.h> |
| |
| #include <asm/arch/clock.h> |
| #include <asm/arch/imx8mm_pins.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/mach-imx/gpio.h> |
| #include <asm/mach-imx/iomux-v3.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #if IS_ENABLED(CONFIG_FEC_MXC) |
| |
| #define FEC_RST_PAD IMX_GPIO_NR(3, 7) |
| static iomux_v3_cfg_t const fec1_rst_pads[] = { |
| IMX8MM_PAD_NAND_DATA01_GPIO3_IO7 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| }; |
| |
| static void setup_fec(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(fec1_rst_pads, |
| ARRAY_SIZE(fec1_rst_pads)); |
| |
| gpio_request(FEC_RST_PAD, "fec1_rst"); |
| gpio_direction_output(FEC_RST_PAD, 0); |
| udelay(500); |
| gpio_direction_output(FEC_RST_PAD, 1); |
| } |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| /* enable rgmii rxc skew and phy mode select to RGMII copper */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); |
| |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); |
| |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| #endif |
| |
| int board_init(void) |
| { |
| if (IS_ENABLED(CONFIG_FEC_MXC)) |
| setup_fec(); |
| |
| return 0; |
| } |
| |
| int board_mmc_get_env_dev(int devno) |
| { |
| return devno; |
| } |