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-rw-r--r--drivers/net/zynq_gem.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c
index b3821c31a9..4049e1cb94 100644
--- a/drivers/net/zynq_gem.c
+++ b/drivers/net/zynq_gem.c
@@ -57,6 +57,8 @@ DECLARE_GLOBAL_DATA_PTR;
#define ZYNQ_GEM_NWCFG_SPEED1000 0x000000400 /* 1Gbps operation */
#define ZYNQ_GEM_NWCFG_FDEN 0x000000002 /* Full Duplex mode */
#define ZYNQ_GEM_NWCFG_FSREM 0x000020000 /* FCS removal */
+#define ZYNQ_GEM_NWCFG_SGMII_ENBL 0x080000000 /* SGMII Enable */
+#define ZYNQ_GEM_NWCFG_PCS_SEL 0x000000800 /* PCS select */
#ifdef CONFIG_ARM64
#define ZYNQ_GEM_NWCFG_MDCCLKDIV 0x000100000 /* Div pclk by 64, max 160MHz */
#else
@@ -330,10 +332,12 @@ static int zynq_phy_init(struct udevice *dev)
/* Enable only MDIO bus */
writel(ZYNQ_GEM_NWCTRL_MDEN_MASK, &regs->nwctrl);
- ret = phy_detection(dev);
- if (ret) {
- printf("GEM PHY init failed\n");
- return ret;
+ if (priv->interface != PHY_INTERFACE_MODE_SGMII) {
+ ret = phy_detection(dev);
+ if (ret) {
+ printf("GEM PHY init failed\n");
+ return ret;
+ }
}
priv->phydev = phy_connect(priv->bus, priv->phyaddr, dev,
@@ -351,7 +355,7 @@ static int zynq_phy_init(struct udevice *dev)
static int zynq_gem_init(struct udevice *dev)
{
- u32 i;
+ u32 i, nwconfig;
unsigned long clk_rate = 0;
struct zynq_gem_priv *priv = dev_get_priv(dev);
struct zynq_gem_regs *regs = priv->iobase;
@@ -426,14 +430,20 @@ static int zynq_gem_init(struct udevice *dev)
return -1;
}
+ nwconfig = ZYNQ_GEM_NWCFG_INIT;
+
+ if (priv->interface == PHY_INTERFACE_MODE_SGMII)
+ nwconfig |= ZYNQ_GEM_NWCFG_SGMII_ENBL |
+ ZYNQ_GEM_NWCFG_PCS_SEL;
+
switch (priv->phydev->speed) {
case SPEED_1000:
- writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED1000,
+ writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED1000,
&regs->nwcfg);
clk_rate = ZYNQ_GEM_FREQUENCY_1000;
break;
case SPEED_100:
- writel(ZYNQ_GEM_NWCFG_INIT | ZYNQ_GEM_NWCFG_SPEED100,
+ writel(nwconfig | ZYNQ_GEM_NWCFG_SPEED100,
&regs->nwcfg);
clk_rate = ZYNQ_GEM_FREQUENCY_100;
break;
@@ -663,6 +673,8 @@ static int zynq_gem_ofdata_to_platdata(struct udevice *dev)
}
priv->interface = pdata->phy_interface;
+ priv->emio = fdtdec_get_bool(gd->fdt_blob, dev->of_offset, "xlnx,emio");
+
printf("ZYNQ GEM: %lx, phyaddr %d, interface %s\n", (ulong)priv->iobase,
priv->phyaddr, phy_string_for_interface(priv->interface));
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