[PATCH] net: fec: Get rid of FEC_ENET_ENABLE_[TR]XC_DELAY

Oleksandr Suvorov oleksandr.suvorov at toradex.com
Wed Jan 20 09:17:09 CET 2021


Hi Marek,

On Tue, Jan 19, 2021 at 1:57 AM Marek Vasut <marex at denx.de> wrote:
>
> The FEC_ENET_ENABLE_.XC_DELAY setting is only used by one system which
> supports OF control, correctly set the rgmii-id PHY mode in the DT and
> then determine whether or not to enable the FEC RXC/TXC internal delay
> based on the PHY mode.
>
> Signed-off-by: Marek Vasut <marex at denx.de>

Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>

Thanks & Regards

> Cc: Oleksandr Suvorov <oleksandr.suvorov at toradex.com>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Ramon Fried <rfried.dev at gmail.com>
> ---
>  arch/arm/dts/fsl-imx8qm-apalis.dts  |  2 +-
>  arch/arm/dts/fsl-imx8qxp-apalis.dts |  2 +-
>  drivers/net/fec_mxc.c               | 14 ++++++--------
>  include/configs/apalis-imx8.h       |  3 ---
>  include/configs/apalis-imx8x.h      |  3 ---
>  5 files changed, 8 insertions(+), 16 deletions(-)
>
> diff --git a/arch/arm/dts/fsl-imx8qm-apalis.dts b/arch/arm/dts/fsl-imx8qm-apalis.dts
> index 5187b794527..0d8d3b3e8e8 100644
> --- a/arch/arm/dts/fsl-imx8qm-apalis.dts
> +++ b/arch/arm/dts/fsl-imx8qm-apalis.dts
> @@ -503,7 +503,7 @@
>         pinctrl-0 = <&pinctrl_fec1>;
>         fsl,magic-packet;
>         phy-handle = <&ethphy0>;
> -       phy-mode = "rgmii";
> +       phy-mode = "rgmii-id";
>         phy-reset-duration = <10>;
>         phy-reset-gpios = <&gpio1 11 1>;
>         status = "okay";
> diff --git a/arch/arm/dts/fsl-imx8qxp-apalis.dts b/arch/arm/dts/fsl-imx8qxp-apalis.dts
> index 6bd231b2834..9cb3d3a809b 100644
> --- a/arch/arm/dts/fsl-imx8qxp-apalis.dts
> +++ b/arch/arm/dts/fsl-imx8qxp-apalis.dts
> @@ -229,7 +229,7 @@
>         pinctrl-0 = <&pinctrl_fec1>;
>         fsl,magic-packet;
>         phy-handle = <&ethphy0>;
> -       phy-mode = "rgmii";
> +       phy-mode = "rgmii-id";
>         phy-reset-duration = <10>;
>         phy-reset-post-delay = <150>;
>         phy-reset-gpios = <&gpio3 4 GPIO_ACTIVE_LOW>;
> diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
> index bb55be9a267..73fc5f4c903 100644
> --- a/drivers/net/fec_mxc.c
> +++ b/drivers/net/fec_mxc.c
> @@ -507,15 +507,13 @@ static int fec_open(struct eth_device *edev)
>         writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN,
>                &fec->eth->ecntrl);
>
> -#ifdef FEC_ENET_ENABLE_TXC_DELAY
> -       writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_TXC_DLY,
> -              &fec->eth->ecntrl);
> -#endif
> +       if (fec->interface == PHY_INTERFACE_MODE_RGMII_ID ||
> +           fec->interface == PHY_INTERFACE_MODE_RGMII_TXID)
> +               setbits_le32(&fec->eth->ecntrl, FEC_ECNTRL_TXC_DLY);
>
> -#ifdef FEC_ENET_ENABLE_RXC_DELAY
> -       writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_RXC_DLY,
> -              &fec->eth->ecntrl);
> -#endif
> +       if (fec->interface == PHY_INTERFACE_MODE_RGMII_ID ||
> +           fec->interface == PHY_INTERFACE_MODE_RGMII_RXID)
> +               setbits_le32(&fec->eth->ecntrl, FEC_ECNTRL_RXC_DLY);
>
>  #if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
>         udelay(100);
> diff --git a/include/configs/apalis-imx8.h b/include/configs/apalis-imx8.h
> index db4e9011c0b..81441d7770f 100644
> --- a/include/configs/apalis-imx8.h
> +++ b/include/configs/apalis-imx8.h
> @@ -21,9 +21,6 @@
>  #define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
>
>  /* Networking */
> -#define FEC_QUIRK_ENET_MAC
> -#define FEC_ENET_ENABLE_TXC_DELAY
> -
>  #define CONFIG_TFTP_TSIZE
>
>  #define CONFIG_IPADDR                  192.168.10.2
> diff --git a/include/configs/apalis-imx8x.h b/include/configs/apalis-imx8x.h
> index db31c210f50..90bbeb926d3 100644
> --- a/include/configs/apalis-imx8x.h
> +++ b/include/configs/apalis-imx8x.h
> @@ -25,9 +25,6 @@
>  #define CONFIG_NETMASK                 255.255.255.0
>  #define CONFIG_SERVERIP                        192.168.10.1
>
> -#define FEC_ENET_ENABLE_TXC_DELAY
> -#define FEC_ENET_ENABLE_RXC_DELAY
> -
>  #define MEM_LAYOUT_ENV_SETTINGS \
>         "kernel_addr_r=0x80280000\0" \
>         "fdt_addr_r=0x83100000\0" \
> --
> 2.29.2
>


-- 
Best regards
Oleksandr Suvorov

Toradex AG
Ebenaustrasse 10 | 6048 Horw | Switzerland | T: +41 41 500 48 00


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