lantiq: add v3.9 support

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37089 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 270 insertions, 0 deletions

diff --git a/target/linux/lantiq/patches-3.9/0009-NET-PHY-adds-driver-for-lantiq-PHY11G.patch b/target/linux/lantiq/patches-3.9/0009-NET-PHY-adds-driver-for-lantiq-PHY11G.patch
new file mode 100644
index 0000000000..3184ebf19b
--- /dev/null
+++ b/target/linux/lantiq/patches-3.9/0009-NET-PHY-adds-driver-for-lantiq-PHY11G.patch
@@ -0,0 +1,270 @@
+From 615cd43fa886a79cf717bba38a3243aeb3b66217 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sat, 29 Jun 2013 19:13:39 +0200
+Subject: [PATCH 09/22] NET: PHY: adds driver for lantiq PHY11G
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/net/phy/Kconfig  |    5 ++
+ drivers/net/phy/Makefile |    1 +
+ drivers/net/phy/lantiq.c |  220 ++++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 226 insertions(+)
+ create mode 100644 drivers/net/phy/lantiq.c
+
+diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
+index 4503452..edc61b0 100644
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -106,6 +106,11 @@ config MICREL_PHY
+ 	---help---
+ 	  Supports the KSZ9021, VSC8201, KS8001 PHYs.
+ 
++config LANTIQ_PHY
++	tristate "Driver for Lantiq PHYs"
++	---help---
++	  Supports the 11G and 22E PHYs.
++
+ config FIXED_PHY
+ 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ 	depends on PHYLIB=y
+diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
+index 9645e38..e2eeee3 100644
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -23,6 +23,7 @@ obj-$(CONFIG_NATIONAL_PHY)	+= national.o
+ obj-$(CONFIG_DP83640_PHY)	+= dp83640.o
+ obj-$(CONFIG_STE10XP)		+= ste10Xp.o
+ obj-$(CONFIG_MICREL_PHY)	+= micrel.o
++obj-$(CONFIG_LANTIQ_PHY)        += lantiq.o
+ obj-$(CONFIG_MDIO_OCTEON)	+= mdio-octeon.o
+ obj-$(CONFIG_MICREL_KS8995MA)	+= spi_ks8995.o
+ obj-$(CONFIG_AT803X_PHY)	+= at803x.o
+diff --git a/drivers/net/phy/lantiq.c b/drivers/net/phy/lantiq.c
+new file mode 100644
+index 0000000..418dff0
+--- /dev/null
++++ b/drivers/net/phy/lantiq.c
+@@ -0,0 +1,220 @@
++/*
++ *   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.
++ *
++ *   Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
++ */
++
++#include <linux/module.h>
++#include <linux/phy.h>
++
++#define MII_MMDCTRL		0x0d
++#define MII_MMDDATA		0x0e
++
++#define MII_VR9_11G_IMASK	0x19	/* interrupt mask */
++#define MII_VR9_11G_ISTAT	0x1a	/* interrupt status */
++
++#define INT_VR9_11G_WOL		BIT(15)	/* Wake-On-LAN */
++#define INT_VR9_11G_ANE		BIT(11)	/* Auto-Neg error */
++#define INT_VR9_11G_ANC		BIT(10)	/* Auto-Neg complete */
++#define INT_VR9_11G_ADSC	BIT(5)	/* Link auto-downspeed detect */
++#define INT_VR9_11G_DXMC	BIT(2)	/* Duplex mode change */
++#define INT_VR9_11G_LSPC	BIT(1)	/* Link speed change */
++#define INT_VR9_11G_LSTC	BIT(0)	/* Link state change */
++#define INT_VR9_11G_MASK	(INT_VR9_11G_LSTC | INT_VR9_11G_ADSC)
++
++#define ADVERTISED_MPD		BIT(10)	/* Multi-port device */
++
++#define MMD_DEVAD		0x1f
++#define MMD_ACTYPE_SHIFT	14
++#define MMD_ACTYPE_ADDRESS	(0 << MMD_ACTYPE_SHIFT)
++#define MMD_ACTYPE_DATA		(1 << MMD_ACTYPE_SHIFT)
++#define MMD_ACTYPE_DATA_PI	(2 << MMD_ACTYPE_SHIFT)
++#define MMD_ACTYPE_DATA_PIWR	(3 << MMD_ACTYPE_SHIFT)
++
++static __maybe_unused int vr9_gphy_mmd_read(struct phy_device *phydev,
++						u16 regnum)
++{
++	phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_ADDRESS | MMD_DEVAD);
++	phy_write(phydev, MII_MMDDATA, regnum);
++	phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_DATA | MMD_DEVAD);
++
++	return phy_read(phydev, MII_MMDDATA);
++}
++
++static __maybe_unused int vr9_gphy_mmd_write(struct phy_device *phydev,
++						u16 regnum, u16 val)
++{
++	phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_ADDRESS | MMD_DEVAD);
++	phy_write(phydev, MII_MMDDATA, regnum);
++	phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_DATA | MMD_DEVAD);
++	phy_write(phydev, MII_MMDDATA, val);
++
++	return 0;
++}
++
++static int vr9_gphy_config_init(struct phy_device *phydev)
++{
++	int err;
++
++	dev_dbg(&phydev->dev, "%s\n", __func__);
++
++	/* Mask all interrupts */
++	err = phy_write(phydev, MII_VR9_11G_IMASK, 0);
++	if (err)
++		return err;
++
++	/* Clear all pending interrupts */
++	phy_read(phydev, MII_VR9_11G_ISTAT);
++
++	return 0;
++}
++
++static int vr9_gphy_config_aneg(struct phy_device *phydev)
++{
++	int reg, err;
++
++	/* Advertise as multi-port device */
++	reg = phy_read(phydev, MII_CTRL1000);
++	reg |= ADVERTISED_MPD;
++	err = phy_write(phydev, MII_CTRL1000, reg);
++	if (err)
++		return err;
++
++	return genphy_config_aneg(phydev);
++}
++
++static int vr9_gphy_ack_interrupt(struct phy_device *phydev)
++{
++	int reg;
++
++	/*
++	 * Possible IRQ numbers:
++	 * - IM3_IRL18 for GPHY0
++	 * - IM3_IRL17 for GPHY1
++	 *
++	 * Due to a silicon bug IRQ lines are not really independent from
++	 * each other. Sometimes the two lines are driven at the same time
++	 * if only one GPHY core raises the interrupt.
++	 */
++
++	reg = phy_read(phydev, MII_VR9_11G_ISTAT);
++
++	return (reg < 0) ? reg : 0;
++}
++
++static int vr9_gphy_did_interrupt(struct phy_device *phydev)
++{
++	int reg;
++
++	reg = phy_read(phydev, MII_VR9_11G_ISTAT);
++
++	return reg > 0;
++}
++
++static int vr9_gphy_config_intr(struct phy_device *phydev)
++{
++	int err;
++
++	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
++		err = phy_write(phydev, MII_VR9_11G_IMASK, INT_VR9_11G_MASK);
++	else
++		err = phy_write(phydev, MII_VR9_11G_IMASK, 0);
++
++	return err;
++}
++
++static struct phy_driver lantiq_phy[] = {
++	{
++		.phy_id		= 0xd565a400,
++		.phy_id_mask	= 0xffffffff,
++		.name		= "Lantiq XWAY PEF7071",
++		.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
++		.flags		= 0, /*PHY_HAS_INTERRUPT,*/
++		.config_init	= vr9_gphy_config_init,
++		.config_aneg	= vr9_gphy_config_aneg,
++		.read_status	= genphy_read_status,
++		.ack_interrupt	= vr9_gphy_ack_interrupt,
++		.did_interrupt	= vr9_gphy_did_interrupt,
++		.config_intr	= vr9_gphy_config_intr,
++		.driver		= { .owner = THIS_MODULE },
++	}, {
++		.phy_id		= 0x030260D0,
++		.phy_id_mask	= 0xfffffff0,
++		.name		= "Lantiq XWAY VR9 GPHY 11G v1.3",
++		.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
++		.flags		= 0, /*PHY_HAS_INTERRUPT,*/
++		.config_init	= vr9_gphy_config_init,
++		.config_aneg	= vr9_gphy_config_aneg,
++		.read_status	= genphy_read_status,
++		.ack_interrupt	= vr9_gphy_ack_interrupt,
++		.did_interrupt	= vr9_gphy_did_interrupt,
++		.config_intr	= vr9_gphy_config_intr,
++		.driver		= { .owner = THIS_MODULE },
++	}, {
++		.phy_id		= 0xd565a408,
++		.phy_id_mask	= 0xfffffff8,
++		.name		= "Lantiq XWAY VR9 GPHY 11G v1.4",
++		.features	= (PHY_GBIT_FEATURES | SUPPORTED_Pause),
++		.flags		= 0, /*PHY_HAS_INTERRUPT,*/
++		.config_init	= vr9_gphy_config_init,
++		.config_aneg	= vr9_gphy_config_aneg,
++		.read_status	= genphy_read_status,
++		.ack_interrupt	= vr9_gphy_ack_interrupt,
++		.did_interrupt	= vr9_gphy_did_interrupt,
++		.config_intr	= vr9_gphy_config_intr,
++		.driver		= { .owner = THIS_MODULE },
++	}, {
++		.phy_id		= 0xd565a418,
++		.phy_id_mask	= 0xfffffff8,
++		.name		= "Lantiq XWAY XRX PHY22F v1.4",
++		.features	= (PHY_BASIC_FEATURES | SUPPORTED_Pause),
++		.flags		= 0, /*PHY_HAS_INTERRUPT,*/
++		.config_init	= vr9_gphy_config_init,
++		.config_aneg	= vr9_gphy_config_aneg,
++		.read_status	= genphy_read_status,
++		.ack_interrupt	= vr9_gphy_ack_interrupt,
++		.did_interrupt	= vr9_gphy_did_interrupt,
++		.config_intr	= vr9_gphy_config_intr,
++		.driver		= { .owner = THIS_MODULE },
++	},
++};
++
++static int __init ltq_phy_init(void)
++{
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(lantiq_phy); i++) {
++		int err = phy_driver_register(&lantiq_phy[i]);
++		if (err)
++			pr_err("lantiq_phy: failed to load %s\n", lantiq_phy[i].name);
++	}
++
++	return 0;
++}
++
++static void __exit ltq_phy_exit(void)
++{
++	int i;
++
++	for (i = 0; i < ARRAY_SIZE(lantiq_phy); i++)
++		phy_driver_unregister(&lantiq_phy[i]);
++}
++
++module_init(ltq_phy_init);
++module_exit(ltq_phy_exit);
++
++MODULE_DESCRIPTION("Lantiq PHY drivers");
++MODULE_AUTHOR("Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>");
++MODULE_LICENSE("GPL");
+-- 
+1.7.10.4
+