[U-Boot] [PATCH v2 4/4] net: fec: add fuse check

[Ye Li]

Hi Peng,

> Add fuse check for fec. If the fuse indicates the module
> will not work in the SoC, let's fail the initialization.
> 
> Signed-off-by: Peng Fan <peng.fan at nxp.com>
> Acked-by: Joe Hershberger <joe.hershberger at ni.com>
> ---
> 
> V2:
>  Fix build for aarch64
>  Add ACK tag
> 
>  drivers/net/fec_mxc.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
> index 96e3ad9a1a..afc82dd08a 100644
> --- a/drivers/net/fec_mxc.c
> +++ b/drivers/net/fec_mxc.c
> @@ -1185,6 +1185,13 @@ int fecmxc_initialize_multi(bd_t *bd, int dev_id, int phy_id, uint32_t addr)
>  #endif
>  	int ret;
>  
> +	if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) {
> +		if (enet_fused((ulong)addr)) {
> +			printf("SoC fuse indicates Ethernet at 0x%x is unavailable.\n", addr);
> +			return -ENODEV;
> +		}
> +	}
> +
>  #ifdef CONFIG_FEC_MXC_MDIO_BASE
>  	/*
>  	 * The i.MX28 has two ethernet interfaces, but they are not equal.
> @@ -1323,6 +1330,13 @@ static int fecmxc_probe(struct udevice *dev)
>  	uint32_t start;
>  	int ret;
>  
> +	if (IS_ENABLED(CONFIG_IMX_MODULE_FUSE)) {
> +		if (enet_fused((ulong)priv->eth)) {
> +			printf("SoC fuse indicates Ethernet at 0x%lx is unavailable.\n", (ulong)priv->eth);
> +			return -ENODEV;
> +		}
> +	}
> +
>  	if (IS_ENABLED(CONFIG_IMX8)) {
>  		ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk);
>  		if (ret < 0) {
> 
Reviewed-by: Ye Li <ye.li at nxp.com>

Best regards,
Ye Li