1 files changed, 91 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/net/phy/generic_10g.c b/roms/u-boot/drivers/net/phy/generic_10g.c
new file mode 100644
index 000000000..b4384e1f7
--- /dev/null
+++ b/roms/u-boot/drivers/net/phy/generic_10g.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Generic PHY Management code
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ *
+ * Based loosely off of Linux's PHY Lib
+ */
+#include <common.h>
+#include <miiphy.h>
+#include <phy.h>
+
+int gen10g_shutdown(struct phy_device *phydev)
+{
+	return 0;
+}
+
+int gen10g_startup(struct phy_device *phydev)
+{
+	int devad, reg;
+	u32 mmd_mask = phydev->mmds & MDIO_DEVS_LINK;
+
+	phydev->link = 1;
+
+	/* For now just lie and say it's 10G all the time */
+	phydev->speed = SPEED_10000;
+	phydev->duplex = DUPLEX_FULL;
+
+	/*
+	 * Go through all the link-reporting devices, and make sure
+	 * they're all up and happy
+	 */
+	for (devad = 0; mmd_mask; devad++, mmd_mask = mmd_mask >> 1) {
+		if (!(mmd_mask & 1))
+			continue;
+
+		/* Read twice because link state is latched and a
+		 * read moves the current state into the register */
+		phy_read(phydev, devad, MDIO_STAT1);
+		reg = phy_read(phydev, devad, MDIO_STAT1);
+		if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS))
+			phydev->link = 0;
+	}
+
+	return 0;
+}
+
+int gen10g_discover_mmds(struct phy_device *phydev)
+{
+	int mmd, stat2, devs1, devs2;
+
+	/* Assume PHY must have at least one of PMA/PMD, WIS, PCS, PHY
+	 * XS or DTE XS; give up if none is present. */
+	for (mmd = 1; mmd <= 5; mmd++) {
+		/* Is this MMD present? */
+		stat2 = phy_read(phydev, mmd, MDIO_STAT2);
+		if (stat2 < 0 ||
+			(stat2 & MDIO_STAT2_DEVPRST) != MDIO_STAT2_DEVPRST_VAL)
+			continue;
+
+		/* It should tell us about all the other MMDs */
+		devs1 = phy_read(phydev, mmd, MDIO_DEVS1);
+		devs2 = phy_read(phydev, mmd, MDIO_DEVS2);
+		if (devs1 < 0 || devs2 < 0)
+			continue;
+
+		phydev->mmds = devs1 | (devs2 << 16);
+		return 0;
+	}
+
+	return 0;
+}
+
+int gen10g_config(struct phy_device *phydev)
+{
+	/* For now, assume 10000baseT. Fill in later */
+	phydev->supported = phydev->advertising = SUPPORTED_10000baseT_Full;
+
+	return gen10g_discover_mmds(phydev);
+}
+
+struct phy_driver gen10g_driver = {
+	.uid		= 0xffffffff,
+	.mask		= 0xffffffff,
+	.name		= "Generic 10G PHY",
+	.features	= 0,
+	.config		= gen10g_config,
+	.startup	= gen10g_startup,
+	.shutdown	= gen10g_shutdown,
+};