Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/drivers/net/phy/realtek.c b/qemu/roms/u-boot/drivers/net/phy/realtek.c
new file mode 100644 (file)
index 0000000..a3ace68
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/realtek.c
@@ -0,0 +1,141 @@
+/*
+ * RealTek PHY drivers
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ */
+#include <config.h>
+#include <common.h>
+#include <phy.h>
+
+#define PHY_AUTONEGOTIATE_TIMEOUT 5000
+
+/* RTL8211x PHY Status Register */
+#define MIIM_RTL8211x_PHY_STATUS       0x11
+#define MIIM_RTL8211x_PHYSTAT_SPEED    0xc000
+#define MIIM_RTL8211x_PHYSTAT_GBIT     0x8000
+#define MIIM_RTL8211x_PHYSTAT_100      0x4000
+#define MIIM_RTL8211x_PHYSTAT_DUPLEX   0x2000
+#define MIIM_RTL8211x_PHYSTAT_SPDDONE  0x0800
+#define MIIM_RTL8211x_PHYSTAT_LINK     0x0400
+
+
+/* RealTek RTL8211x */
+static int rtl8211x_config(struct phy_device *phydev)
+{
+       phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
+
+       genphy_config_aneg(phydev);
+
+       return 0;
+}
+
+static int rtl8211x_parse_status(struct phy_device *phydev)
+{
+       unsigned int speed;
+       unsigned int mii_reg;
+
+       mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_RTL8211x_PHY_STATUS);
+
+       if (!(mii_reg & MIIM_RTL8211x_PHYSTAT_SPDDONE)) {
+               int i = 0;
+
+               /* in case of timeout ->link is cleared */
+               phydev->link = 1;
+               puts("Waiting for PHY realtime link");
+               while (!(mii_reg & MIIM_RTL8211x_PHYSTAT_SPDDONE)) {
+                       /* Timeout reached ? */
+                       if (i > PHY_AUTONEGOTIATE_TIMEOUT) {
+                               puts(" TIMEOUT !\n");
+                               phydev->link = 0;
+                               break;
+                       }
+
+                       if ((i++ % 1000) == 0)
+                               putc('.');
+                       udelay(1000);   /* 1 ms */
+                       mii_reg = phy_read(phydev, MDIO_DEVAD_NONE,
+                                       MIIM_RTL8211x_PHY_STATUS);
+               }
+               puts(" done\n");
+               udelay(500000); /* another 500 ms (results in faster booting) */
+       } else {
+               if (mii_reg & MIIM_RTL8211x_PHYSTAT_LINK)
+                       phydev->link = 1;
+               else
+                       phydev->link = 0;
+       }
+
+       if (mii_reg & MIIM_RTL8211x_PHYSTAT_DUPLEX)
+               phydev->duplex = DUPLEX_FULL;
+       else
+               phydev->duplex = DUPLEX_HALF;
+
+       speed = (mii_reg & MIIM_RTL8211x_PHYSTAT_SPEED);
+
+       switch (speed) {
+       case MIIM_RTL8211x_PHYSTAT_GBIT:
+               phydev->speed = SPEED_1000;
+               break;
+       case MIIM_RTL8211x_PHYSTAT_100:
+               phydev->speed = SPEED_100;
+               break;
+       default:
+               phydev->speed = SPEED_10;
+       }
+
+       return 0;
+}
+
+static int rtl8211x_startup(struct phy_device *phydev)
+{
+       /* Read the Status (2x to make sure link is right) */
+       genphy_update_link(phydev);
+       rtl8211x_parse_status(phydev);
+
+       return 0;
+}
+
+/* Support for RTL8211B PHY */
+static struct phy_driver RTL8211B_driver = {
+       .name = "RealTek RTL8211B",
+       .uid = 0x1cc910,
+       .mask = 0xffffff,
+       .features = PHY_GBIT_FEATURES,
+       .config = &rtl8211x_config,
+       .startup = &rtl8211x_startup,
+       .shutdown = &genphy_shutdown,
+};
+
+/* Support for RTL8211E-VB-CG, RTL8211E-VL-CG and RTL8211EG-VB-CG PHYs */
+static struct phy_driver RTL8211E_driver = {
+       .name = "RealTek RTL8211E",
+       .uid = 0x1cc915,
+       .mask = 0xffffff,
+       .features = PHY_GBIT_FEATURES,
+       .config = &rtl8211x_config,
+       .startup = &rtl8211x_startup,
+       .shutdown = &genphy_shutdown,
+};
+
+/* Support for RTL8211DN PHY */
+static struct phy_driver RTL8211DN_driver = {
+       .name = "RealTek RTL8211DN",
+       .uid = 0x1cc914,
+       .mask = 0xffffff,
+       .features = PHY_GBIT_FEATURES,
+       .config = &rtl8211x_config,
+       .startup = &rtl8211x_startup,
+       .shutdown = &genphy_shutdown,
+};
+
+int phy_realtek_init(void)
+{
+       phy_register(&RTL8211B_driver);
+       phy_register(&RTL8211E_driver);
+       phy_register(&RTL8211DN_driver);
+
+       return 0;
+}