[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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