X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fdrivers%2Fnet%2Fphy%2Fet1011c.c;fp=qemu%2Froms%2Fu-boot%2Fdrivers%2Fnet%2Fphy%2Fet1011c.c;h=70c15e2f20c9fe63778d7c2e6caa481e9e556035;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/drivers/net/phy/et1011c.c b/qemu/roms/u-boot/drivers/net/phy/et1011c.c
new file mode 100644
index 000000000..70c15e2f2
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/net/phy/et1011c.c
@@ -0,0 +1,101 @@
+/*
+ * ET1011C PHY driver
+ *
+ * Derived from Linux kernel driver by Chaithrika U S
+ * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <config.h>
+#include <phy.h>
+
+#define ET1011C_CONFIG_REG		(0x16)
+#define ET1011C_TX_FIFO_MASK		(0x3 << 12)
+#define ET1011C_TX_FIFO_DEPTH_8		(0x0 << 12)
+#define ET1011C_TX_FIFO_DEPTH_16	(0x1 << 12)
+#define ET1011C_INTERFACE_MASK		(0x7 << 0)
+#define ET1011C_GMII_INTERFACE		(0x2 << 0)
+#define ET1011C_SYS_CLK_EN		(0x1 << 4)
+#define ET1011C_TX_CLK_EN		(0x1 << 5)
+
+#define ET1011C_STATUS_REG		(0x1A)
+#define ET1011C_DUPLEX_STATUS		(0x1 << 7)
+#define ET1011C_SPEED_MASK		(0x3 << 8)
+#define ET1011C_SPEED_1000		(0x2 << 8)
+#define ET1011C_SPEED_100		(0x1 << 8)
+#define ET1011C_SPEED_10		(0x0 << 8)
+
+static int et1011c_config(struct phy_device *phydev)
+{
+	int ctl = 0;
+	ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
+	if (ctl < 0)
+		return ctl;
+	ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 |
+		 BMCR_ANENABLE);
+	/* First clear the PHY */
+	phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, ctl | BMCR_RESET);
+
+	return genphy_config_aneg(phydev);
+}
+
+static int et1011c_parse_status(struct phy_device *phydev)
+{
+	int mii_reg;
+	int speed;
+
+	mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, ET1011C_STATUS_REG);
+
+	if (mii_reg & ET1011C_DUPLEX_STATUS)
+		phydev->duplex = DUPLEX_FULL;
+	else
+		phydev->duplex = DUPLEX_HALF;
+
+	speed = mii_reg & ET1011C_SPEED_MASK;
+	switch (speed) {
+	case ET1011C_SPEED_1000:
+		phydev->speed = SPEED_1000;
+		mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, ET1011C_CONFIG_REG);
+		mii_reg &= ~ET1011C_TX_FIFO_MASK;
+		phy_write(phydev, MDIO_DEVAD_NONE, ET1011C_CONFIG_REG,
+			  mii_reg |
+			  ET1011C_GMII_INTERFACE |
+			  ET1011C_SYS_CLK_EN |
+#ifdef CONFIG_PHY_ET1011C_TX_CLK_FIX
+			  ET1011C_TX_CLK_EN |
+#endif
+			  ET1011C_TX_FIFO_DEPTH_16);
+		break;
+	case ET1011C_SPEED_100:
+		phydev->speed = SPEED_100;
+		break;
+	case ET1011C_SPEED_10:
+		phydev->speed = SPEED_10;
+		break;
+	}
+
+	return 0;
+}
+
+static int et1011c_startup(struct phy_device *phydev)
+{
+	genphy_update_link(phydev);
+	et1011c_parse_status(phydev);
+	return 0;
+}
+
+static struct phy_driver et1011c_driver = {
+	.name		= "ET1011C",
+	.uid		= 0x0282f014,
+	.mask		= 0xfffffff0,
+	.features	= PHY_GBIT_FEATURES,
+	.config		= &et1011c_config,
+	.startup	= &et1011c_startup,
+};
+
+int phy_et1011c_init(void)
+{
+	phy_register(&et1011c_driver);
+
+	return 0;
+}