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));
--
2.7.4
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