add a driver for rtl8306 switches

SVN-Revision: 17248

5 files changed, 1041 insertions, 0 deletions

diff --git a/target/linux/generic-2.6/config-2.6.28 b/target/linux/generic-2.6/config-2.6.28
index da0e1a57ae..0f530e92fb 100644
--- a/target/linux/generic-2.6/config-2.6.28
+++ b/target/linux/generic-2.6/config-2.6.28
@@ -1513,6 +1513,7 @@ CONFIG_RTC_INTF_SYSFS=y
 CONFIG_RTC_LIB=y
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
+# CONFIG_RTL8306_PHY is not set
 CONFIG_RT_MUTEXES=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
diff --git a/target/linux/generic-2.6/config-2.6.30 b/target/linux/generic-2.6/config-2.6.30
index 50a292ea81..6df8f526ed 100644
--- a/target/linux/generic-2.6/config-2.6.30
+++ b/target/linux/generic-2.6/config-2.6.30
@@ -1613,6 +1613,7 @@ CONFIG_RTC_INTF_SYSFS=y
 CONFIG_RTC_LIB=y
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
+# CONFIG_RTL8306_PHY is not set
 CONFIG_RT_MUTEXES=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_S2IO is not set
diff --git a/target/linux/generic-2.6/files/drivers/net/phy/rtl8306.c b/target/linux/generic-2.6/files/drivers/net/phy/rtl8306.c
new file mode 100644
index 0000000000..eba0babe28
--- /dev/null
+++ b/target/linux/generic-2.6/files/drivers/net/phy/rtl8306.c
@@ -0,0 +1,993 @@
+/*
+ * rtl8306.c: RTL8306S switch driver
+ *
+ * Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <linux/if.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/if_ether.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/netlink.h>
+#include <net/genetlink.h>
+#include <linux/switch.h>
+#include <linux/delay.h>
+#include <linux/phy.h>
+
+//#define DEBUG 1
+
+/* Global (PHY0) */
+#define RTL8306_REG_PAGE		16
+#define RTL8306_REG_PAGE_LO		(1 << 15)
+#define RTL8306_REG_PAGE_HI		(1 << 1) /* inverted */
+
+#define RTL8306_NUM_VLANS		16
+#define RTL8306_NUM_PORTS		6
+#define RTL8306_PORT_CPU		5
+#define RTL8306_NUM_PAGES		4
+#define RTL8306_NUM_REGS		32
+
+#define RTL_NAME_S          "RTL8306S"
+#define RTL_NAME_SD         "RTL8306SD"
+#define RTL_NAME_SDM        "RTL8306SDM"
+#define RTL_NAME_UNKNOWN    "RTL8306(unknown)"
+
+#define RTL8306_MAGIC	0x8306
+
+struct rtl_priv {
+	struct switch_dev dev;
+	int page;
+	int type;
+	int do_cpu;
+	struct mii_bus *bus;
+	char hwname[sizeof(RTL_NAME_UNKNOWN)];
+
+	/* temporary register saves for port operations */
+	int tmp_speed;
+	int tmp_nway;
+	int tmp_duplex;
+};
+
+#define to_rtl(_dev) container_of(_dev, struct rtl_priv, dev)
+
+enum {
+	RTL_TYPE_S,
+	RTL_TYPE_SD,
+	RTL_TYPE_SDM,
+};
+
+struct rtl_reg {
+	int page;
+	int phy;
+	int reg;
+	int bits;
+	int shift;
+	int inverted;
+};
+
+#define RTL_VLAN_REGOFS(name) \
+	(RTL_REG_VLAN1_##name - RTL_REG_VLAN0_##name)
+
+#define RTL_PORT_REGOFS(name) \
+	(RTL_REG_PORT1_##name - RTL_REG_PORT0_##name)
+
+#define RTL_PORT_REG(id, reg) \
+	(RTL_REG_PORT0_##reg + (id * RTL_PORT_REGOFS(reg)))
+
+#define RTL_VLAN_REG(id, reg) \
+	(RTL_REG_VLAN0_##reg + (id * RTL_VLAN_REGOFS(reg)))
+
+#define RTL_GLOBAL_REGATTR(reg) \
+	.id = RTL_REG_##reg, \
+	.type = SWITCH_TYPE_INT, \
+	.ofs = 0, \
+	.set = rtl_attr_set_int, \
+	.get = rtl_attr_get_int
+
+#define RTL_PORT_REGATTR(reg) \
+	.id = RTL_REG_PORT0_##reg, \
+	.type = SWITCH_TYPE_INT, \
+	.ofs = RTL_PORT_REGOFS(reg), \
+	.set = rtl_attr_set_port_int, \
+	.get = rtl_attr_get_port_int
+
+#define RTL_VLAN_REGATTR(reg) \
+	.id = RTL_REG_VLAN0_##reg, \
+	.type = SWITCH_TYPE_INT, \
+	.ofs = RTL_VLAN_REGOFS(reg), \
+	.set = rtl_attr_set_vlan_int, \
+	.get = rtl_attr_get_vlan_int
+
+enum rtl_regidx {
+	RTL_REG_CHIPID,
+	RTL_REG_CHIPVER,
+	RTL_REG_CHIPTYPE,
+	RTL_REG_CPUPORT,
+
+	RTL_REG_EN_CPUPORT,
+	RTL_REG_EN_TAG_OUT,
+	RTL_REG_EN_TAG_CLR,
+	RTL_REG_EN_TAG_IN,
+	RTL_REG_TRAP_CPU,
+	RTL_REG_TRUNK_PORTSEL,
+	RTL_REG_EN_TRUNK,
+	RTL_REG_RESET,
+
+	RTL_REG_VLAN_ENABLE,
+	RTL_REG_VLAN_FILTER,
+	RTL_REG_VLAN_TAG_ONLY,
+	RTL_REG_VLAN_TAG_AWARE,
+#define RTL_VLAN_ENUM(id) \
+	RTL_REG_VLAN##id##_VID, \
+	RTL_REG_VLAN##id##_PORTMASK
+	RTL_VLAN_ENUM(0),
+	RTL_VLAN_ENUM(1),
+	RTL_VLAN_ENUM(2),
+	RTL_VLAN_ENUM(3),
+	RTL_VLAN_ENUM(4),
+	RTL_VLAN_ENUM(5),
+	RTL_VLAN_ENUM(6),
+	RTL_VLAN_ENUM(7),
+	RTL_VLAN_ENUM(8),
+	RTL_VLAN_ENUM(9),
+	RTL_VLAN_ENUM(10),
+	RTL_VLAN_ENUM(11),
+	RTL_VLAN_ENUM(12),
+	RTL_VLAN_ENUM(13),
+	RTL_VLAN_ENUM(14),
+	RTL_VLAN_ENUM(15),
+#define RTL_PORT_ENUM(id) \
+	RTL_REG_PORT##id##_PVID, \
+	RTL_REG_PORT##id##_NULL_VID_REPLACE, \
+	RTL_REG_PORT##id##_NON_PVID_DISCARD, \
+	RTL_REG_PORT##id##_VID_INSERT, \
+	RTL_REG_PORT##id##_TAG_INSERT, \
+	RTL_REG_PORT##id##_LINK, \
+	RTL_REG_PORT##id##_SPEED, \
+	RTL_REG_PORT##id##_NWAY, \
+	RTL_REG_PORT##id##_DUPLEX, \
+	RTL_REG_PORT##id##_RXEN, \
+	RTL_REG_PORT##id##_TXEN
+	RTL_PORT_ENUM(0),
+	RTL_PORT_ENUM(1),
+	RTL_PORT_ENUM(2),
+	RTL_PORT_ENUM(3),
+	RTL_PORT_ENUM(4),
+	RTL_PORT_ENUM(5),
+};
+
+static const struct rtl_reg rtl_regs[] = {
+	[RTL_REG_CHIPID]         = { 0, 4, 30, 16,  0, 0 },
+	[RTL_REG_CHIPVER]        = { 0, 4, 31,  8,  0, 0 },
+	[RTL_REG_CHIPTYPE]       = { 0, 4, 31,  2,  8, 0 },
+
+	/* CPU port number */
+	[RTL_REG_CPUPORT]        = { 2, 4, 21,  3,  0, 0 },
+	/* Enable CPU port function */
+	[RTL_REG_EN_CPUPORT]     = { 3, 2, 21,  1, 15, 1 },
+	/* Enable CPU port tag insertion */
+	[RTL_REG_EN_TAG_OUT]     = { 3, 2, 21,  1, 12, 0 },
+	/* Enable CPU port tag removal */
+	[RTL_REG_EN_TAG_CLR]     = { 3, 2, 21,  1, 11, 0 },
+	/* Enable CPU port tag checking */
+	[RTL_REG_EN_TAG_IN]      = { 0, 4, 21,  1,  7, 0 },
+	[RTL_REG_EN_TRUNK]       = { 0, 0, 19,  1, 11, 1 },
+	[RTL_REG_TRUNK_PORTSEL]  = { 0, 0, 16,  1,  6, 1 },
+	[RTL_REG_RESET]          = { 0, 0, 16,  1, 12, 0 },
+
+	[RTL_REG_TRAP_CPU]       = { 3, 2, 22,  1,  6, 0 },
+
+	[RTL_REG_VLAN_TAG_ONLY]  = { 0, 0, 16,  1,  8, 1 },
+	[RTL_REG_VLAN_FILTER]    = { 0, 0, 16,  1,  9, 1 },
+	[RTL_REG_VLAN_TAG_AWARE] = { 0, 0, 16,  1, 10, 1 },
+	[RTL_REG_VLAN_ENABLE]    = { 0, 0, 18,  1,  8, 1 },
+
+#define RTL_VLAN_REGS(id, phy, page, regofs) \
+	[RTL_REG_VLAN##id##_VID] = { page, phy, 25 + regofs, 12, 0, 0 }, \
+	[RTL_REG_VLAN##id##_PORTMASK] = { page, phy, 24 + regofs, 6, 0, 0 }
+	RTL_VLAN_REGS( 0, 0, 0, 0),
+	RTL_VLAN_REGS( 1, 1, 0, 0),
+	RTL_VLAN_REGS( 2, 2, 0, 0),
+	RTL_VLAN_REGS( 3, 3, 0, 0),
+	RTL_VLAN_REGS( 4, 4, 0, 0),
+	RTL_VLAN_REGS( 5, 0, 1, 2),
+	RTL_VLAN_REGS( 6, 1, 1, 2),
+	RTL_VLAN_REGS( 7, 2, 1, 2),
+	RTL_VLAN_REGS( 8, 3, 1, 2),
+	RTL_VLAN_REGS( 9, 4, 1, 2),
+	RTL_VLAN_REGS(10, 0, 1, 4),
+	RTL_VLAN_REGS(11, 1, 1, 4),
+	RTL_VLAN_REGS(12, 2, 1, 4),
+	RTL_VLAN_REGS(13, 3, 1, 4),
+	RTL_VLAN_REGS(14, 4, 1, 4),
+	RTL_VLAN_REGS(15, 0, 1, 6),
+
+#define REG_PORT_SETTING(port, phy) \
+	[RTL_REG_PORT##port##_SPEED] = { 0, phy, 0, 1, 13, 0 }, \
+	[RTL_REG_PORT##port##_NWAY] = { 0, phy, 0, 1, 12, 0 }, \
+	[RTL_REG_PORT##port##_DUPLEX] = { 0, phy, 0, 1, 8, 0 }, \
+	[RTL_REG_PORT##port##_TXEN] = { 0, phy, 24, 1, 11, 0 }, \
+	[RTL_REG_PORT##port##_RXEN] = { 0, phy, 24, 1, 10, 0 }, \
+	[RTL_REG_PORT##port##_LINK] = { 0, phy, 1, 1, 2, 0 }, \
+	[RTL_REG_PORT##port##_NULL_VID_REPLACE] = { 0, phy, 22, 1, 12, 0 }, \
+	[RTL_REG_PORT##port##_NON_PVID_DISCARD] = { 0, phy, 22, 1, 11, 0 }, \
+	[RTL_REG_PORT##port##_VID_INSERT] = { 0, phy, 22, 2, 9, 0 }, \
+	[RTL_REG_PORT##port##_TAG_INSERT] = { 0, phy, 22, 2, 0, 0 }
+
+	REG_PORT_SETTING(0, 0),
+	REG_PORT_SETTING(1, 1),
+	REG_PORT_SETTING(2, 2),
+	REG_PORT_SETTING(3, 3),
+	REG_PORT_SETTING(4, 4),
+	REG_PORT_SETTING(5, 6),
+
+#define REG_PORT_PVID(phy, page, regofs) \
+	{ page, phy, 24 + regofs, 4, 12, 0 }
+	[RTL_REG_PORT0_PVID] = REG_PORT_PVID(0, 0, 0),
+	[RTL_REG_PORT1_PVID] = REG_PORT_PVID(1, 0, 0),
+	[RTL_REG_PORT2_PVID] = REG_PORT_PVID(2, 0, 0),
+	[RTL_REG_PORT3_PVID] = REG_PORT_PVID(3, 0, 0),
+	[RTL_REG_PORT4_PVID] = REG_PORT_PVID(4, 0, 0),
+	[RTL_REG_PORT5_PVID] = REG_PORT_PVID(0, 1, 2),
+};
+
+
+/* IFXMIPS compat stuff - remove after PHY layer migration */
+static struct switch_dev rtldev;
+/* END IFXMIPS compat stuff */
+
+
+static inline void
+rtl_set_page(struct rtl_priv *priv, unsigned int page)
+{
+	struct mii_bus *bus = priv->bus;
+	u16 pgsel;
+
+	if (priv->page == page)
+		return;
+
+	BUG_ON(page > RTL8306_NUM_PAGES);
+	pgsel = bus->read(bus, 0, RTL8306_REG_PAGE);
+	pgsel &= ~(RTL8306_REG_PAGE_LO | RTL8306_REG_PAGE_HI);
+	if (page & (1 << 0))
+		pgsel |= RTL8306_REG_PAGE_LO;
+	if (!(page & (1 << 1))) /* bit is inverted */
+		pgsel |= RTL8306_REG_PAGE_HI;
+	bus->write(bus, 0, RTL8306_REG_PAGE, pgsel);
+}
+
+static inline int
+rtl_w16(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg, u16 val)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	struct mii_bus *bus = priv->bus;
+
+	rtl_set_page(priv, page);
+	bus->write(bus, phy, reg, val);
+	bus->read(bus, phy, reg); /* flush */
+	return 0;
+}
+
+static inline int
+rtl_r16(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	struct mii_bus *bus = priv->bus;
+
+	rtl_set_page(priv, page);
+	return bus->read(bus, phy, reg);
+}
+
+static inline u16
+rtl_rmw(struct switch_dev *dev, unsigned int page, unsigned int phy, unsigned int reg, u16 mask, u16 val)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	struct mii_bus *bus = priv->bus;
+	u16 r;
+
+	rtl_set_page(priv, page);
+	r = bus->read(bus, phy, reg);
+	r &= ~mask;
+	r |= val;
+	bus->write(bus, phy, reg, r);
+	return bus->read(bus, phy, reg); /* flush */
+}
+
+
+static inline int
+rtl_get(struct switch_dev *dev, enum rtl_regidx s)
+{
+	const struct rtl_reg *r = &rtl_regs[s];
+	u16 val;
+
+	BUG_ON(s >= ARRAY_SIZE(rtl_regs));
+	if (r->bits == 0) /* unimplemented */
+		return 0;
+
+	val = rtl_r16(dev, r->page, r->phy, r->reg);
+
+	if (r->shift > 0)
+		val >>= r->shift;
+
+	if (r->inverted)
+		val = ~val;
+
+	val &= (1 << r->bits) - 1;
+
+	return val;
+}
+
+static int
+rtl_set(struct switch_dev *dev, enum rtl_regidx s, unsigned int val)
+{
+	const struct rtl_reg *r = &rtl_regs[s];
+	u16 mask = 0xffff;
+
+	BUG_ON(s >= ARRAY_SIZE(rtl_regs));
+
+	if (r->bits == 0) /* unimplemented */
+		return 0;
+
+	if (r->shift > 0)
+		val <<= r->shift;
+
+	if (r->inverted)
+		val = ~val;
+
+	if (r->bits != 16) {
+		mask = (1 << r->bits) - 1;
+		mask <<= r->shift;
+	}
+	val &= mask;
+	return rtl_rmw(dev, r->page, r->phy, r->reg, mask, val);
+}
+
+static void
+rtl_phy_save(struct switch_dev *dev, int port)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+
+	priv->tmp_nway = rtl_get(dev, RTL_PORT_REG(port, NWAY));
+	priv->tmp_speed = rtl_get(dev, RTL_PORT_REG(port, SPEED));
+	priv->tmp_duplex = rtl_get(dev, RTL_PORT_REG(port, DUPLEX));
+}
+
+static void
+rtl_phy_restore(struct switch_dev *dev, int port)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+
+	rtl_set(dev, RTL_PORT_REG(port, NWAY), priv->tmp_nway);
+	rtl_set(dev, RTL_PORT_REG(port, SPEED), priv->tmp_speed);
+	rtl_set(dev, RTL_PORT_REG(port, DUPLEX), priv->tmp_duplex);
+}
+
+static void
+rtl_port_set_enable(struct switch_dev *dev, int port, int enabled)
+{
+	rtl_set(dev, RTL_PORT_REG(port, RXEN), enabled);
+	rtl_set(dev, RTL_PORT_REG(port, TXEN), enabled);
+}
+
+static int
+rtl_hw_apply(struct switch_dev *dev)
+{
+	int i;
+	int trunk_en, trunk_psel;
+
+	rtl_phy_save(dev, 5);
+
+	/* disable rx/tx from PHYs */
+	for (i = 0; i < RTL8306_NUM_PORTS - 1; i++) {
+		rtl_port_set_enable(dev, i, 0);
+	}
+
+	/* save trunking status */
+	trunk_en = rtl_get(dev, RTL_REG_EN_TRUNK);
+	trunk_psel = rtl_get(dev, RTL_REG_TRUNK_PORTSEL);
+
+	/* trunk port 3 and 4
+	 * XXX: Big WTF, but RealTek seems to do it */
+	rtl_set(dev, RTL_REG_EN_TRUNK, 1);
+	rtl_set(dev, RTL_REG_TRUNK_PORTSEL, 1);
+
+	/* execute the software reset */
+	rtl_set(dev, RTL_REG_RESET, 1);
+
+	/* wait for the reset to complete,
+	 * but don't wait for too long */
+	for (i = 0; i < 10; i++) {
+		if (rtl_get(dev, RTL_REG_RESET) == 0)
+			break;
+
+		msleep(1);
+	}
+
+	/* enable rx/tx from PHYs */
+	for (i = 0; i < RTL8306_NUM_PORTS - 1; i++) {
+		rtl_port_set_enable(dev, i, 1);
+	}
+
+	/* restore trunking settings */
+	rtl_set(dev, RTL_REG_EN_TRUNK, trunk_en);
+	rtl_set(dev, RTL_REG_TRUNK_PORTSEL, trunk_psel);
+
+	rtl_phy_restore(dev, 5);
+
+	return 0;
+}
+
+static void
+rtl_hw_init(struct switch_dev *dev)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	int cpu_mask = 1 << dev->cpu_port;
+	int i;
+
+	rtl_set(dev, RTL_REG_VLAN_ENABLE, 0);
+	rtl_set(dev, RTL_REG_VLAN_FILTER, 0);
+	rtl_set(dev, RTL_REG_EN_TRUNK, 0);
+	rtl_set(dev, RTL_REG_TRUNK_PORTSEL, 0);
+
+	/* initialize cpu port settings */
+	if (priv->do_cpu) {
+		rtl_set(dev, RTL_REG_CPUPORT, dev->cpu_port);
+		rtl_set(dev, RTL_REG_EN_CPUPORT, 1);
+	} else {
+		rtl_set(dev, RTL_REG_CPUPORT, 7);
+		rtl_set(dev, RTL_REG_EN_CPUPORT, 0);
+	}
+	rtl_set(dev, RTL_REG_EN_TAG_OUT, 0);
+	rtl_set(dev, RTL_REG_EN_TAG_IN, 0);
+	rtl_set(dev, RTL_REG_EN_TAG_CLR, 0);
+
+	/* reset all vlans */
+	for (i = 0; i < RTL8306_NUM_VLANS; i++) {
+		rtl_set(dev, RTL_VLAN_REG(i, VID), i);
+		rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), 0);
+	}
+
+	/* default to port isolation */
+	for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+		unsigned long mask;
+
+		if ((1 << i) == cpu_mask)
+			mask = ((1 << RTL8306_NUM_PORTS) - 1) & ~cpu_mask; /* all bits set */
+		else
+			mask = cpu_mask | (1 << i);
+
+		rtl_set(dev, RTL_VLAN_REG(i, PORTMASK), mask);
+		rtl_set(dev, RTL_PORT_REG(i, PVID), i);
+		rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1);
+		rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), 1);
+		rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), 3);
+	}
+	rtl_hw_apply(dev);
+}
+
+#ifdef DEBUG
+static int
+rtl_set_use_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	priv->do_cpu = val->value.i;
+	rtl_hw_init(dev);
+	return 0;
+}
+
+static int
+rtl_get_use_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	val->value.i = priv->do_cpu;
+	return 0;
+}
+
+static int
+rtl_set_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	dev->cpu_port = val->value.i;
+	rtl_hw_init(dev);
+	return 0;
+}
+
+static int
+rtl_get_cpuport(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	val->value.i = dev->cpu_port;
+	return 0;
+}
+#endif
+
+static int
+rtl_reset(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	rtl_hw_init(dev);
+	return 0;
+}
+
+static int
+rtl_attr_set_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	int idx = attr->id + (val->port_vlan * attr->ofs);
+
+	if (attr->id >= ARRAY_SIZE(rtl_regs))
+		return -EINVAL;
+
+	if ((attr->max > 0) && (val->value.i > attr->max))
+		return -EINVAL;
+
+	/* access to phy register 22 on port 4/5
+	 * needs phy status save/restore */
+	if ((val->port_vlan > 3) &&
+		(rtl_regs[idx].reg == 22) &&
+		(rtl_regs[idx].page == 0)) {
+
+		rtl_phy_save(dev, val->port_vlan);
+		rtl_set(dev, idx, val->value.i);
+		rtl_phy_restore(dev, val->port_vlan);
+	} else {
+		rtl_set(dev, idx, val->value.i);
+	}
+
+	return 0;
+}
+
+static int
+rtl_attr_get_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	int idx = attr->id + (val->port_vlan * attr->ofs);
+
+	if (idx >= ARRAY_SIZE(rtl_regs))
+		return -EINVAL;
+
+	val->value.i = rtl_get(dev, idx);
+	return 0;
+}
+
+static int
+rtl_attr_set_port_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	if (val->port_vlan >= RTL8306_NUM_PORTS)
+		return -EINVAL;
+
+	return rtl_attr_set_int(dev, attr, val);
+}
+
+static int
+rtl_attr_get_port_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	if (val->port_vlan >= RTL8306_NUM_PORTS)
+		return -EINVAL;
+	return rtl_attr_get_int(dev, attr, val);
+}
+
+static int
+rtl_attr_set_vlan_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	if (val->port_vlan >= dev->vlans)
+		return -EINVAL;
+
+	return rtl_attr_set_int(dev, attr, val);
+}
+
+static int
+rtl_attr_get_vlan_int(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	if (val->port_vlan >= dev->vlans)
+		return -EINVAL;
+
+	return rtl_attr_get_int(dev, attr, val);
+}
+
+static int
+rtl_get_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	unsigned int i, mask;
+
+	mask = rtl_get(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK));
+	for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+		struct switch_port *port;
+
+		if (!(mask & (1 << i)))
+			continue;
+
+		port = &val->value.ports[val->len];
+		port->id = i;
+		port->flags = 0;
+		val->len++;
+	}
+
+	return 0;
+}
+
+static int
+rtl_set_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	struct rtl_priv *priv = to_rtl(dev);
+	int en = val->value.i;
+	int i;
+
+	rtl_set(dev, RTL_REG_EN_TAG_OUT, en && priv->do_cpu);
+	rtl_set(dev, RTL_REG_EN_TAG_IN, en && priv->do_cpu);
+	rtl_set(dev, RTL_REG_EN_TAG_CLR, en && priv->do_cpu);
+	rtl_set(dev, RTL_REG_VLAN_TAG_AWARE, en);
+	if (en)
+		rtl_set(dev, RTL_REG_VLAN_FILTER, en);
+
+	for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+		if (i > 3)
+			rtl_phy_save(dev, val->port_vlan);
+		rtl_set(dev, RTL_PORT_REG(i, NULL_VID_REPLACE), 1);
+		rtl_set(dev, RTL_PORT_REG(i, VID_INSERT), (en ? (i == dev->cpu_port ? 0 : 1) : 1));
+		rtl_set(dev, RTL_PORT_REG(i, TAG_INSERT), (en ? (i == dev->cpu_port ? 2 : 1) : 3));
+		if (i > 3)
+			rtl_phy_restore(dev, val->port_vlan);
+	}
+	rtl_set(dev, RTL_REG_VLAN_ENABLE, en);
+
+	return 0;
+}
+
+static int
+rtl_get_vlan(struct switch_dev *dev, const struct switch_attr *attr, struct switch_val *val)
+{
+	return rtl_get(dev, RTL_REG_VLAN_ENABLE);
+}
+
+static int
+rtl_set_ports(struct switch_dev *dev, struct switch_val *val)
+{
+	unsigned int mask = 0;
+	unsigned int oldmask;
+	int i;
+
+	for(i = 0; i < val->len; i++)
+	{
+		struct switch_port *port = &val->value.ports[i];
+		bool tagged = false;
+
+		mask |= (1 << port->id);
+
+		if (port->id == dev->cpu_port)
+			continue;
+
+		if ((i == dev->cpu_port) ||
+			(port->flags & (1 << SWITCH_PORT_FLAG_TAGGED)))
+			tagged = true;
+
+		/* fix up PVIDs for added ports */
+		if (!tagged)
+			rtl_set(dev, RTL_PORT_REG(port->id, PVID), val->port_vlan);
+
+		rtl_set(dev, RTL_PORT_REG(port->id, NON_PVID_DISCARD), (tagged ? 0 : 1));
+		rtl_set(dev, RTL_PORT_REG(port->id, VID_INSERT), (tagged ? 0 : 1));
+		rtl_set(dev, RTL_PORT_REG(port->id, TAG_INSERT), (tagged ? 2 : 1));
+	}
+
+	oldmask = rtl_get(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK));
+	rtl_set(dev, RTL_VLAN_REG(val->port_vlan, PORTMASK), mask);
+
+	/* fix up PVIDs for removed ports, default to last vlan */
+	oldmask &= ~mask;
+	for (i = 0; i < RTL8306_NUM_PORTS; i++) {
+		if (!(oldmask & (1 << i)))
+			continue;
+
+		if (i == dev->cpu_port)
+			continue;
+
+		if (rtl_get(dev, RTL_PORT_REG(i, PVID)) == val->port_vlan)
+			rtl_set(dev, RTL_PORT_REG(i, PVID), dev->vlans - 1);
+	}
+
+	return 0;
+}
+
+static int
+rtl8306_config_init(struct phy_device *pdev)
+{
+	struct net_device *netdev = pdev->attached_dev;
+	struct rtl_priv *priv = pdev->priv;
+	struct switch_dev *dev = &priv->dev;
+	struct switch_val val;
+	unsigned int chipid, chipver, chiptype;
+	int err;
+
+	val.value.i = 1;
+	memcpy(&priv->dev, &rtldev, sizeof(struct switch_dev));
+	priv->do_cpu = 0;
+	priv->page = -1;
+	priv->bus = pdev->bus;
+
+	dev->priv = priv;
+
+	chipid = rtl_get(dev, RTL_REG_CHIPID);
+	chipver = rtl_get(dev, RTL_REG_CHIPVER);
+	chiptype = rtl_get(dev, RTL_REG_CHIPTYPE);
+	switch(chiptype) {
+	case 0:
+	case 2:
+		strncpy(priv->hwname, RTL_NAME_S, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_S;
+		break;
+	case 1:
+		strncpy(priv->hwname, RTL_NAME_SD, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_SD;
+		break;
+	case 3:
+		strncpy(priv->hwname, RTL_NAME_SDM, sizeof(priv->hwname));
+		priv->type = RTL_TYPE_SDM;
+		break;
+	default:
+		strncpy(priv->hwname, RTL_NAME_UNKNOWN, sizeof(priv->hwname));
+		break;
+	}
+
+	dev->name = priv->hwname;
+	rtl_hw_init(dev);
+
+	printk(KERN_INFO "Registering %s switch with Chip ID: 0x%04x, version: 0x%04x\n", priv->hwname, chipid, chipver);
+
+	err = register_switch(dev, netdev);
+	if (err < 0) {
+		kfree(priv);
+		return err;
+	}
+
+	return 0;
+}
+
+static struct switch_attr rtl_globals[] = {
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "reset",
+		.description = "Reset the switch",
+		.set = rtl_reset,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "enable_vlan",
+		.description = "Enable VLAN mode",
+		.max = 1,
+		.set = rtl_set_vlan,
+		.get = rtl_get_vlan,
+	},
+	{
+		RTL_GLOBAL_REGATTR(EN_TRUNK),
+		.name = "trunk",
+		.description = "Enable port trunking",
+		.max = 1,
+	},
+	{
+		RTL_GLOBAL_REGATTR(TRUNK_PORTSEL),
+		.name = "trunk_sel",
+		.description = "Select ports for trunking (0: 0,1 - 1: 3,4)",
+		.max = 1,
+	},
+#ifdef DEBUG
+	{
+		RTL_GLOBAL_REGATTR(VLAN_FILTER),
+		.name = "vlan_filter",
+		.description = "Filter incoming packets for allowed VLANS",
+		.max = 1,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "cpuport",
+		.description = "CPU Port",
+		.set = rtl_set_cpuport,
+		.get = rtl_get_cpuport,
+		.max = RTL8306_NUM_PORTS,
+	},
+	{
+		.type = SWITCH_TYPE_INT,
+		.name = "use_cpuport",
+		.description = "CPU Port handling flag",
+		.set = rtl_set_use_cpuport,
+		.get = rtl_get_use_cpuport,
+		.max = RTL8306_NUM_PORTS,
+	},
+	{
+		RTL_GLOBAL_REGATTR(TRAP_CPU),
+		.name = "trap_cpu",
+		.description = "VLAN trap to CPU",
+		.max = 1,
+	},
+	{
+		RTL_GLOBAL_REGATTR(VLAN_TAG_AWARE),
+		.name = "vlan_tag_aware",
+		.description = "Enable VLAN tag awareness",
+		.max = 1,
+	},
+	{
+		RTL_GLOBAL_REGATTR(VLAN_TAG_ONLY),
+		.name = "tag_only",
+		.description = "Only accept tagged packets",
+		.max = 1,
+	},
+#endif
+};
+static struct switch_attr rtl_port[] = {
+	{
+		RTL_PORT_REGATTR(PVID),
+		.name = "pvid",
+		.description = "Port VLAN ID",
+		.max = RTL8306_NUM_VLANS - 1,
+	},
+	{
+		RTL_PORT_REGATTR(LINK),
+		.name = "link",
+		.description = "get the current link state",
+		.max = 1,
+		.set = NULL,
+	},
+#ifdef DEBUG
+	{
+		RTL_PORT_REGATTR(NULL_VID_REPLACE),
+		.name = "null_vid",
+		.description = "NULL VID gets replaced by port default vid",
+		.max = 1,
+	},
+	{
+		RTL_PORT_REGATTR(NON_PVID_DISCARD),
+		.name = "non_pvid_discard",
+		.description = "discard packets with VID != PVID",
+		.max = 1,
+	},
+	{
+		RTL_PORT_REGATTR(VID_INSERT),
+		.name = "vid_insert_remove",
+		.description = "how should the switch insert and remove vids ?",
+		.max = 3,
+	},
+	{
+		RTL_PORT_REGATTR(TAG_INSERT),
+		.name = "tag_insert",
+		.description = "tag insertion handling",
+		.max = 3,
+	},
+#endif
+	{
+		RTL_PORT_REGATTR(SPEED),
+		.name = "speed",
+		.description = "current link speed",
+		.max = 1,
+	},
+	{
+		RTL_PORT_REGATTR(NWAY),
+		.name = "nway",
+		.description = "enable autonegotiation",
+		.max = 1,
+	},
+};
+
+static struct switch_attr rtl_vlan[] = {
+	{
+		RTL_VLAN_REGATTR(VID),
+		.name = "vid",
+		.description = "VLAN ID",
+		.max = 4095,
+	},
+};
+
+/* template */
+static struct switch_dev rtldev = {
+	.cpu_port = RTL8306_PORT_CPU,
+	.ports = RTL8306_NUM_PORTS,
+	.vlans = RTL8306_NUM_VLANS,
+	.attr_global = {
+		.attr = rtl_globals,
+		.n_attr = ARRAY_SIZE(rtl_globals),
+	},
+	.attr_port = {
+		.attr = rtl_port,
+		.n_attr = ARRAY_SIZE(rtl_port),
+	},
+	.attr_vlan = {
+		.attr = rtl_vlan,
+		.n_attr = ARRAY_SIZE(rtl_vlan),
+	},
+
+	.get_vlan_ports = rtl_get_ports,
+	.set_vlan_ports = rtl_set_ports,
+	.apply_config = rtl_hw_apply,
+};
+
+
+static int
+rtl8306_fixup(struct phy_device *pdev)
+{
+	struct rtl_priv priv;
+	u16 chipid;
+
+	priv.page = -1;
+	priv.bus = pdev->bus;
+	chipid = rtl_get(&priv.dev, RTL_REG_CHIPID);
+	if (chipid == 0x5988)
+		pdev->phy_id = RTL8306_MAGIC;
+
+	return 0;
+}
+
+static int
+rtl8306_probe(struct phy_device *pdev)
+{
+	struct rtl_priv *priv;
+
+	priv = kzalloc(sizeof(struct rtl_priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
+	pdev->priv = priv;
+	return 0;
+}
+
+static void
+rtl8306_remove(struct phy_device *pdev)
+{
+	struct rtl_priv *priv = pdev->priv;
+	unregister_switch(&priv->dev);
+	kfree(priv);
+}
+
+static int
+rtl8306_config_aneg(struct phy_device *pdev)
+{
+	return 0;
+}
+
+static int
+rtl8306_read_status(struct phy_device *pdev)
+{
+	pdev->speed = SPEED_100;
+	pdev->duplex = DUPLEX_FULL;
+	pdev->state = PHY_UP;
+
+	return 0;
+}
+
+
+static struct phy_driver rtl8306_driver = {
+	.name		= "Realtek RTL8306S",
+	.phy_id		= RTL8306_MAGIC,
+	.phy_id_mask	= 0xffffffff,
+	.features	= PHY_BASIC_FEATURES,
+	.probe		= &rtl8306_probe,
+	.remove		= &rtl8306_remove,
+	.config_init	= &rtl8306_config_init,
+	.config_aneg	= &rtl8306_config_aneg,
+	.read_status	= &rtl8306_read_status,
+	.driver		= { .owner = THIS_MODULE,},
+};
+
+
+static int __init
+rtl_init(void)
+{
+	phy_register_fixup_for_id(PHY_ANY_ID, rtl8306_fixup);
+	return phy_driver_register(&rtl8306_driver);
+}
+
+static void __exit
+rtl_exit(void)
+{
+	phy_driver_unregister(&rtl8306_driver);
+}
+
+module_init(rtl_init);
+module_exit(rtl_exit);
+MODULE_LICENSE("GPL");
+
diff --git a/target/linux/generic-2.6/patches-2.6.28/690-phy_rtl8306.patch b/target/linux/generic-2.6/patches-2.6.28/690-phy_rtl8306.patch
new file mode 100644
index 0000000000..e88db16649
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.28/690-phy_rtl8306.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -88,6 +88,10 @@ config AR8216_PHY
+ 	tristate "Driver for Atheros AR8216 switches"
+ 	select SWCONFIG
+ 
++config RTL8306_PHY
++	tristate "Driver for Realtek RTL8306S switches"
++	select SWCONFIG
++
+ config FIXED_PHY
+ 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ 	depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -17,6 +17,7 @@ obj-$(CONFIG_ADM6996_PHY)	+= adm6996.o
+ obj-$(CONFIG_MVSWITCH_PHY)	+= mvswitch.o
+ obj-$(CONFIG_IP175C_PHY)	+= ip175c.o
+ obj-$(CONFIG_AR8216_PHY)	+= ar8216.o
++obj-$(CONFIG_RTL8306_PHY)	+= rtl8306.o
+ obj-$(CONFIG_REALTEK_PHY)	+= realtek.o
+ obj-$(CONFIG_FIXED_PHY)		+= fixed.o
+ obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o
diff --git a/target/linux/generic-2.6/patches-2.6.30/690-phy_rtl8306.patch b/target/linux/generic-2.6/patches-2.6.30/690-phy_rtl8306.patch
new file mode 100644
index 0000000000..bfebbcff51
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.30/690-phy_rtl8306.patch
@@ -0,0 +1,23 @@
+--- a/drivers/net/phy/Kconfig
++++ b/drivers/net/phy/Kconfig
+@@ -104,6 +104,10 @@ config AR8216_PHY
+ 	tristate "Driver for Atheros AR8216 switches"
+ 	select SWCONFIG
+ 
++config RTL8306_PHY
++	tristate "Driver for Realtek RTL8306S switches"
++	select SWCONFIG
++
+ config FIXED_PHY
+ 	bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
+ 	depends on PHYLIB=y
+--- a/drivers/net/phy/Makefile
++++ b/drivers/net/phy/Makefile
+@@ -18,6 +18,7 @@ obj-$(CONFIG_MVSWITCH_PHY)	+= mvswitch.o
+ obj-$(CONFIG_IP175C_PHY)	+= ip175c.o
+ obj-$(CONFIG_REALTEK_PHY)	+= realtek.o
+ obj-$(CONFIG_AR8216_PHY)	+= ar8216.o
++obj-$(CONFIG_RTL8306_PHY)	+= rtl8306.o
+ obj-$(CONFIG_LSI_ET1011C_PHY)	+= et1011c.o
+ obj-$(CONFIG_FIXED_PHY)		+= fixed.o
+ obj-$(CONFIG_MDIO_BITBANG)	+= mdio-bitbang.o