Merge branch 'phylib' of git://git.denx.de/u-boot-mmc

1 files changed, 229 insertions, 0 deletions

diff --git a/include/phy.h b/include/phy.h
new file mode 100644
index 0000000..d5817bf
--- /dev/null
+++ b/include/phy.h
@@ -0,0 +1,229 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *	Andy Fleming <afleming@freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
+ */
+
+#ifndef _PHY_H
+#define _PHY_H
+
+#include <linux/list.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/mdio.h>
+
+#define PHY_MAX_ADDR 32
+
+#define PHY_BASIC_FEATURES	(SUPPORTED_10baseT_Half | \
+				 SUPPORTED_10baseT_Full | \
+				 SUPPORTED_100baseT_Half | \
+				 SUPPORTED_100baseT_Full | \
+				 SUPPORTED_Autoneg | \
+				 SUPPORTED_TP | \
+				 SUPPORTED_MII)
+
+#define PHY_GBIT_FEATURES	(PHY_BASIC_FEATURES | \
+				 SUPPORTED_1000baseT_Half | \
+				 SUPPORTED_1000baseT_Full)
+
+#define PHY_10G_FEATURES	(PHY_GBIT_FEATURES | \
+				SUPPORTED_10000baseT_Full)
+
+#define PHY_ANEG_TIMEOUT	4000
+
+
+typedef enum {
+	PHY_INTERFACE_MODE_MII,
+	PHY_INTERFACE_MODE_GMII,
+	PHY_INTERFACE_MODE_SGMII,
+	PHY_INTERFACE_MODE_TBI,
+	PHY_INTERFACE_MODE_RMII,
+	PHY_INTERFACE_MODE_RGMII,
+	PHY_INTERFACE_MODE_RGMII_ID,
+	PHY_INTERFACE_MODE_RGMII_RXID,
+	PHY_INTERFACE_MODE_RGMII_TXID,
+	PHY_INTERFACE_MODE_RTBI,
+	PHY_INTERFACE_MODE_XGMII,
+	PHY_INTERFACE_MODE_NONE	/* Must be last */
+} phy_interface_t;
+
+static const char *phy_interface_strings[] = {
+	[PHY_INTERFACE_MODE_MII]		= "mii",
+	[PHY_INTERFACE_MODE_GMII]		= "gmii",
+	[PHY_INTERFACE_MODE_SGMII]		= "sgmii",
+	[PHY_INTERFACE_MODE_TBI]		= "tbi",
+	[PHY_INTERFACE_MODE_RMII]		= "rmii",
+	[PHY_INTERFACE_MODE_RGMII]		= "rgmii",
+	[PHY_INTERFACE_MODE_RGMII_ID]		= "rgmii-id",
+	[PHY_INTERFACE_MODE_RGMII_RXID]		= "rgmii-rxid",
+	[PHY_INTERFACE_MODE_RGMII_TXID]		= "rgmii-txid",
+	[PHY_INTERFACE_MODE_RTBI]		= "rtbi",
+	[PHY_INTERFACE_MODE_XGMII]		= "xgmii",
+	[PHY_INTERFACE_MODE_NONE]		= "",
+};
+
+static inline const char *phy_string_for_interface(phy_interface_t i)
+{
+	/* Default to unknown */
+	if (i > PHY_INTERFACE_MODE_NONE)
+		i = PHY_INTERFACE_MODE_NONE;
+
+	return phy_interface_strings[i];
+}
+
+
+struct phy_device;
+
+#define MDIO_NAME_LEN 32
+
+struct mii_dev {
+	struct list_head link;
+	char name[MDIO_NAME_LEN];
+	void *priv;
+	int (*read)(struct mii_dev *bus, int addr, int devad, int reg);
+	int (*write)(struct mii_dev *bus, int addr, int devad, int reg,
+			u16 val);
+	int (*reset)(struct mii_dev *bus);
+	struct phy_device *phymap[PHY_MAX_ADDR];
+	u32 phy_mask;
+};
+
+/* struct phy_driver: a structure which defines PHY behavior
+ *
+ * uid will contain a number which represents the PHY.  During
+ * startup, the driver will poll the PHY to find out what its
+ * UID--as defined by registers 2 and 3--is.  The 32-bit result
+ * gotten from the PHY will be masked to
+ * discard any bits which may change based on revision numbers
+ * unimportant to functionality
+ *
+ */
+struct phy_driver {
+	char *name;
+	unsigned int uid;
+	unsigned int mask;
+	unsigned int mmds;
+
+	u32 features;
+
+	/* Called to do any driver startup necessities */
+	/* Will be called during phy_connect */
+	int (*probe)(struct phy_device *phydev);
+
+	/* Called to configure the PHY, and modify the controller
+	 * based on the results.  Should be called after phy_connect */
+	int (*config)(struct phy_device *phydev);
+
+	/* Called when starting up the controller */
+	int (*startup)(struct phy_device *phydev);
+
+	/* Called when bringing down the controller */
+	int (*shutdown)(struct phy_device *phydev);
+
+	struct list_head list;
+};
+
+struct phy_device {
+	/* Information about the PHY type */
+	/* And management functions */
+	struct mii_dev *bus;
+	struct phy_driver *drv;
+	void *priv;
+
+	struct eth_device *dev;
+
+	/* forced speed & duplex (no autoneg)
+	 * partner speed & duplex & pause (autoneg)
+	 */
+	int speed;
+	int duplex;
+
+	/* The most recently read link state */
+	int link;
+	int port;
+	phy_interface_t interface;
+
+	u32 advertising;
+	u32 supported;
+	u32 mmds;
+
+	int autoneg;
+	int addr;
+	int pause;
+	int asym_pause;
+	u32 phy_id;
+	u32 flags;
+};
+
+static inline int phy_read(struct phy_device *phydev, int devad, int regnum)
+{
+	struct mii_dev *bus = phydev->bus;
+
+	return bus->read(bus, phydev->addr, devad, regnum);
+}
+
+static inline int phy_write(struct phy_device *phydev, int devad, int regnum,
+			u16 val)
+{
+	struct mii_dev *bus = phydev->bus;
+
+	return bus->write(bus, phydev->addr, devad, regnum, val);
+}
+
+#ifdef CONFIG_PHYLIB_10G
+extern struct phy_driver gen10g_driver;
+
+/* For now, XGMII is the only 10G interface */
+static inline int is_10g_interface(phy_interface_t interface)
+{
+	return interface == PHY_INTERFACE_MODE_XGMII;
+}
+
+#endif
+
+int phy_init(void);
+int phy_reset(struct phy_device *phydev);
+struct phy_device *phy_connect(struct mii_dev *bus, int addr,
+				struct eth_device *dev,
+				phy_interface_t interface);
+int phy_startup(struct phy_device *phydev);
+int phy_config(struct phy_device *phydev);
+int phy_shutdown(struct phy_device *phydev);
+int phy_register(struct phy_driver *drv);
+int genphy_config_aneg(struct phy_device *phydev);
+int genphy_update_link(struct phy_device *phydev);
+int genphy_config(struct phy_device *phydev);
+int genphy_startup(struct phy_device *phydev);
+int genphy_shutdown(struct phy_device *phydev);
+int gen10g_config(struct phy_device *phydev);
+int gen10g_startup(struct phy_device *phydev);
+int gen10g_shutdown(struct phy_device *phydev);
+int gen10g_discover_mmds(struct phy_device *phydev);
+
+int phy_atheros_init(void);
+int phy_broadcom_init(void);
+int phy_davicom_init(void);
+int phy_lxt_init(void);
+int phy_marvell_init(void);
+int phy_micrel_init(void);
+int phy_natsemi_init(void);
+int phy_realtek_init(void);
+int phy_teranetics_init(void);
+int phy_vitesse_init(void);
+#endif