On 23.11.2017 08:26, Siva Durga Prasad Paladugu wrote:
> Dont enable SGMII and PCS selection if internal PCS/PMA
> is not used, by getting the info about internal/external
> PCS/PMA usage from dt property "is-internal-phy".
>
> Signed-off-by: Siva Durga Prasad Paladugu <siva...@xilinx.com>
> ---
> drivers/net/zynq_gem.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
> index f6bbcdc..1dfd631 100644
> --- a/drivers/net/zynq_gem.c
> +++ b/drivers/net/zynq_gem.c
> @@ -182,6 +182,7 @@ struct zynq_gem_priv {
> int phy_of_handle;
> struct mii_dev *bus;
> struct clk clk;
> + bool int_pcs;
> };
>
> static u32 phy_setup_op(struct zynq_gem_priv *priv, u32 phy_addr, u32 regnum,
> @@ -425,7 +426,12 @@ static int zynq_gem_init(struct udevice *dev)
>
> nwconfig = ZYNQ_GEM_NWCFG_INIT;
>
> - if (priv->interface == PHY_INTERFACE_MODE_SGMII) {
> + /*
> + * Set SGMII enable PCS selection only if internal PCS/PMA
> + * core is used and interface is SGMII.
> + */
> + if (priv->interface == PHY_INTERFACE_MODE_SGMII &&
> + priv->int_pcs) {
> nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
> ZYNQ_GEM_NWCFG_PCS_SEL;
> #ifdef CONFIG_ARM64
> @@ -697,6 +703,9 @@ static int zynq_gem_ofdata_to_platdata(struct udevice
> *dev)
> }
> priv->interface = pdata->phy_interface;
>
> + priv->int_pcs = fdtdec_get_bool(gd->fdt_blob, node,
> + "is-internal-pcspma");
> +
> printf("ZYNQ GEM: %lx, phyaddr %x, interface %s\n", (ulong)priv->iobase,
> priv->phyaddr, phy_string_for_interface(priv->interface));
>
>
Applied.
Thanks,
Michal
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