LXR uboot/board/compulab/imx8mm-cl-iot-gate/imx8mm-cl-iot-gate.c

   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright 2018 NXP
   4 * Copyright 2020 Linaro
   5 */
   6
   7#include <common.h>
   8#include <env.h>
   9#include <init.h>
  10#include <miiphy.h>
  11#include <netdev.h>
  12
  13#include <asm/arch/clock.h>
  14#include <asm/arch/sys_proto.h>
  15#include <asm/io.h>
  16
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19static int setup_fec(void)
  20{
  21        if (IS_ENABLED(CONFIG_FEC_MXC)) {
  22                struct iomuxc_gpr_base_regs *gpr =
  23                        (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
  24
  25                /* Use 125M anatop REF_CLK1 for ENET1, not from external */
  26                clrsetbits_le32(&gpr->gpr[1], 0x2000, 0);
  27        }
  28
  29        return 0;
  30}
  31
  32int board_phy_config(struct phy_device *phydev)
  33{
  34        if (IS_ENABLED(CONFIG_FEC_MXC)) {
  35                /* enable rgmii rxc skew and phy mode select to RGMII copper */
  36                phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
  37                phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
  38
  39                phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
  40                phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
  41                phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
  42                phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
  43
  44                if (phydev->drv->config)
  45                        phydev->drv->config(phydev);
  46        }
  47        return 0;
  48}
  49
  50int board_init(void)
  51{
  52        if (IS_ENABLED(CONFIG_FEC_MXC))
  53                setup_fec();
  54
  55        return 0;
  56}
  57
  58int board_mmc_get_env_dev(int devno)
  59{
  60        return devno;
  61}
  62
  63int board_late_init(void)
  64{
  65        if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
  66                env_set("board_name", "IOT-GATE-IMX8");
  67                env_set("board_rev", "SBC-IOTMX8");
  68        }
  69
  70        return 0;
  71}
  72