[PATCH] mx6ullevk: Enable Ethernet support

Peng Fan peng.fan at nxp.com
Wed Feb 5 08:22:46 CET 2020


> Subject: [PATCH] mx6ullevk: Enable Ethernet support
> 
> Add Ethernet support using DM_ETH.
> 
> Signed-off-by: Fabio Estevam <festevam at gmail.com>

Reviewed-by: Peng Fan <peng.fan at nxp.com>

> ---
>  board/freescale/mx6ullevk/mx6ullevk.c | 47
> +++++++++++++++++++++++++++
>  configs/mx6ull_14x14_evk_defconfig    |  8 +++++
>  include/configs/mx6ullevk.h           |  9 +++++
>  3 files changed, 64 insertions(+)
> 
> diff --git a/board/freescale/mx6ullevk/mx6ullevk.c
> b/board/freescale/mx6ullevk/mx6ullevk.c
> index e1eddbff95..3f1ecce10f 100644
> --- a/board/freescale/mx6ullevk/mx6ullevk.c
> +++ b/board/freescale/mx6ullevk/mx6ullevk.c
> @@ -19,6 +19,7 @@
>  #include <fsl_esdhc_imx.h>
>  #include <linux/sizes.h>
>  #include <mmc.h>
> +#include <miiphy.h>
> 
>  DECLARE_GLOBAL_DATA_PTR;
> 
> @@ -60,11 +61,57 @@ int board_early_init_f(void)
>  	return 0;
>  }
> 
> +#ifdef CONFIG_FEC_MXC
> +static int setup_fec(int fec_id)
> +{
> +	struct iomuxc *const iomuxc_regs = (struct iomuxc
> *)IOMUXC_BASE_ADDR;
> +	int ret;
> +
> +	if (fec_id == 0) {
> +		/*
> +		 * Use 50MHz anatop loopback REF_CLK1 for ENET1,
> +		 * clear gpr1[13], set gpr1[17].
> +		 */
> +		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
> +				IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
> +	} else {
> +		/*
> +		 * Use 50MHz anatop loopback REF_CLK2 for ENET2,
> +		 * clear gpr1[14], set gpr1[18].
> +		 */
> +		clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
> +				IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
> +	}
> +
> +	ret = enable_fec_anatop_clock(fec_id, ENET_50MHZ);
> +	if (ret)
> +		return ret;
> +
> +	enable_enet_clk(1);
> +
> +	return 0;
> +}
> +
> +int board_phy_config(struct phy_device *phydev) {
> +	phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
> +
> +	if (phydev->drv->config)
> +		phydev->drv->config(phydev);
> +
> +	return 0;
> +}
> +#endif
> +
>  int board_init(void)
>  {
>  	/* Address of boot parameters */
>  	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
> 
> +#ifdef	CONFIG_FEC_MXC
> +	setup_fec(CONFIG_FEC_ENET_DEV);
> +#endif
> +
>  	return 0;
>  }
> 
> diff --git a/configs/mx6ull_14x14_evk_defconfig
> b/configs/mx6ull_14x14_evk_defconfig
> index 2c69d8d6de..c16ecfab49 100644
> --- a/configs/mx6ull_14x14_evk_defconfig
> +++ b/configs/mx6ull_14x14_evk_defconfig
> @@ -38,9 +38,17 @@ CONFIG_DM_SPI_FLASH=y
>  CONFIG_SF_DEFAULT_MODE=0
>  CONFIG_SF_DEFAULT_SPEED=40000000
>  CONFIG_SPI_FLASH_STMICRO=y
> +CONFIG_PHYLIB=y
> +CONFIG_PHY_MICREL=y
> +CONFIG_PHY_MICREL_KSZ8XXX=y
> +CONFIG_FEC_MXC=y
> +CONFIG_DM_ETH=y
> +CONFIG_MII=y
>  CONFIG_PINCTRL=y
>  CONFIG_PINCTRL_IMX6=y
>  CONFIG_DM_REGULATOR=y
> +CONFIG_DM_REGULATOR_FIXED=y
> +CONFIG_DM_REGULATOR_GPIO=y
>  CONFIG_SPI=y
>  CONFIG_DM_SPI=y
>  CONFIG_FSL_QSPI=y
> diff --git a/include/configs/mx6ullevk.h b/include/configs/mx6ullevk.h index
> 7cce911314..af335bcfff 100644
> --- a/include/configs/mx6ullevk.h
> +++ b/include/configs/mx6ullevk.h
> @@ -166,4 +166,13 @@
>  #define FSL_QSPI_FLASH_SIZE		SZ_32M
>  #endif
> 
> +#ifdef CONFIG_CMD_NET
> +#define CONFIG_FEC_ENET_DEV		1
> +#if (CONFIG_FEC_ENET_DEV == 0)
> +#define CONFIG_ETHPRIME			"eth0"
> +#elif (CONFIG_FEC_ENET_DEV == 1)
> +#define CONFIG_ETHPRIME			"eth1"
> +#endif
> +#endif
> +
>  #endif
> --
> 2.17.1



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