Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/drivers/net/phy/lxt.c b/qemu/roms/u-boot/drivers/net/phy/lxt.c
new file mode 100644 (file)
index 0000000..91838ce
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/lxt.c
@@ -0,0 +1,73 @@
+/*
+ * LXT PHY drivers
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ */
+#include <phy.h>
+
+/* LXT971 Status 2 registers */
+#define MIIM_LXT971_SR2                     0x11  /* Status Register 2  */
+#define MIIM_LXT971_SR2_SPEED_MASK 0x4200
+#define MIIM_LXT971_SR2_10HDX     0x0000  /*  10 Mbit half duplex selected */
+#define MIIM_LXT971_SR2_10FDX     0x0200  /*  10 Mbit full duplex selected */
+#define MIIM_LXT971_SR2_100HDX    0x4000  /* 100 Mbit half duplex selected */
+#define MIIM_LXT971_SR2_100FDX    0x4200  /* 100 Mbit full duplex selected */
+
+
+/* LXT971 */
+static int lxt971_parse_status(struct phy_device *phydev)
+{
+       int mii_reg;
+       int speed;
+
+       mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_LXT971_SR2);
+       speed = mii_reg & MIIM_LXT971_SR2_SPEED_MASK;
+
+       switch (speed) {
+       case MIIM_LXT971_SR2_10HDX:
+               phydev->speed = SPEED_10;
+               phydev->duplex = DUPLEX_HALF;
+               break;
+       case MIIM_LXT971_SR2_10FDX:
+               phydev->speed = SPEED_10;
+               phydev->duplex = DUPLEX_FULL;
+               break;
+       case MIIM_LXT971_SR2_100HDX:
+               phydev->speed = SPEED_100;
+               phydev->duplex = DUPLEX_HALF;
+               break;
+       default:
+               phydev->speed = SPEED_100;
+               phydev->duplex = DUPLEX_FULL;
+       }
+
+       return 0;
+}
+
+static int lxt971_startup(struct phy_device *phydev)
+{
+       genphy_update_link(phydev);
+       lxt971_parse_status(phydev);
+
+       return 0;
+}
+
+static struct phy_driver LXT971_driver = {
+       .name = "LXT971",
+       .uid = 0x1378e0,
+       .mask = 0xfffff0,
+       .features = PHY_BASIC_FEATURES,
+       .config = &genphy_config_aneg,
+       .startup = &lxt971_startup,
+       .shutdown = &genphy_shutdown,
+};
+
+int phy_lxt_init(void)
+{
+       phy_register(&LXT971_driver);
+
+       return 0;
+}