Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / net / phy / generic_10g.c

diff --git a/qemu/roms/u-boot/drivers/net/phy/generic_10g.c b/qemu/roms/u-boot/drivers/net/phy/generic_10g.c
new file mode 100644 (file)
index 0000000..ed3dcd9
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/generic_10g.c
@@ -0,0 +1,94 @@
+/*
+ * Generic PHY Management code
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ *
+ * Based loosely off of Linux's PHY Lib
+ */
+
+#include <config.h>
+#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,
+};