Add qemu 2.4.0

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

diff --git a/qemu/roms/u-boot/drivers/net/phy/davicom.c b/qemu/roms/u-boot/drivers/net/phy/davicom.c
new file mode 100644 (file)
index 0000000..0c039fe
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/davicom.c
@@ -0,0 +1,84 @@
+/*
+ * Davicom PHY drivers
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ *
+ * Copyright 2010-2011 Freescale Semiconductor, Inc.
+ * author Andy Fleming
+ */
+#include <phy.h>
+
+#define MIIM_DM9161_SCR                0x10
+#define MIIM_DM9161_SCR_INIT   0x0610
+
+/* DM9161 Specified Configuration and Status Register */
+#define MIIM_DM9161_SCSR       0x11
+#define MIIM_DM9161_SCSR_100F  0x8000
+#define MIIM_DM9161_SCSR_100H  0x4000
+#define MIIM_DM9161_SCSR_10F   0x2000
+#define MIIM_DM9161_SCSR_10H   0x1000
+
+/* DM9161 10BT Configuration/Status */
+#define MIIM_DM9161_10BTCSR    0x12
+#define MIIM_DM9161_10BTCSR_INIT       0x7800
+
+
+/* Davicom DM9161E */
+static int dm9161_config(struct phy_device *phydev)
+{
+       phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_ISOLATE);
+       /* Do not bypass the scrambler/descrambler */
+       phy_write(phydev, MDIO_DEVAD_NONE, MIIM_DM9161_SCR,
+                       MIIM_DM9161_SCR_INIT);
+       /* Clear 10BTCSR to default */
+       phy_write(phydev, MDIO_DEVAD_NONE, MIIM_DM9161_10BTCSR,
+                       MIIM_DM9161_10BTCSR_INIT);
+
+       genphy_config_aneg(phydev);
+
+       return 0;
+}
+
+static int dm9161_parse_status(struct phy_device *phydev)
+{
+       int mii_reg;
+
+       mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_DM9161_SCSR);
+
+       if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
+               phydev->speed = SPEED_100;
+       else
+               phydev->speed = SPEED_10;
+
+       if (mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
+               phydev->duplex = DUPLEX_FULL;
+       else
+               phydev->duplex = DUPLEX_HALF;
+
+       return 0;
+}
+
+static int dm9161_startup(struct phy_device *phydev)
+{
+       genphy_update_link(phydev);
+       dm9161_parse_status(phydev);
+
+       return 0;
+}
+
+static struct phy_driver DM9161_driver = {
+       .name = "Davicom DM9161E",
+       .uid = 0x181b880,
+       .mask = 0xffffff0,
+       .features = PHY_BASIC_FEATURES,
+       .config = &dm9161_config,
+       .startup = &dm9161_startup,
+       .shutdown = &genphy_shutdown,
+};
+
+int phy_davicom_init(void)
+{
+       phy_register(&DM9161_driver);
+
+       return 0;
+}