ar71xx: adding u-boot for nbg460n

This adds u-boot for nbg460n ar71xx target,
as it is required as second stage bootloader.

Signed-off-by: Michael Kurz <michi.kurz@googlemail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24418 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 974 insertions, 0 deletions

diff --git a/package/uboot-ar71xx/files/drivers/net/phy/rtl8366.h b/package/uboot-ar71xx/files/drivers/net/phy/rtl8366.h
new file mode 100644
index 0000000000..f0567dd64a
--- /dev/null
+++ b/package/uboot-ar71xx/files/drivers/net/phy/rtl8366.h
@@ -0,0 +1,188 @@
+/*
+ * (C) Copyright 2010
+ * Michael Kurz <michi.kurz@googlemail.com>.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef RTL8366_MII_H
+#define RTL8366_MII_H
+
+#define	MII_CONTROL_REG		    0
+#define	MII_STATUS_REG	    	1
+#define	MII_PHY_ID0		        2
+#define	MII_PHY_ID1		        3
+#define	MII_LOCAL_CAP	    	4
+#define	MII_REMOTE_CAP		    5
+#define	MII_EXT_AUTONEG		    6
+#define	MII_LOCAL_NEXT_PAGE	    7
+#define	MII_REMOTE_NEXT_PAGE	8
+#define	MII_GIGA_CONTROL	    9
+#define	MII_GIGA_STATUS		    10
+#define	MII_EXT_STATUS_REG	    15
+
+/* Control register */
+#define	MII_CONTROL_1000MBPS	6
+#define	MII_CONTROL_COLL_TEST	7
+#define	MII_CONTROL_FULLDUPLEX	8
+#define	MII_CONTROL_RENEG	    9
+#define	MII_CONTROL_ISOLATE	    10
+#define	MII_CONTROL_POWERDOWN	11
+#define	MII_CONTROL_AUTONEG	    12
+#define	MII_CONTROL_100MBPS	    13
+#define	MII_CONTROL_LOOPBACK	14
+#define	MII_CONTROL_RESET	    15
+
+/* Status/Extended status register */
+/* Basic status */
+#define	MII_STATUS_CAPABILITY	0
+#define	MII_STATUS_JABBER	    1
+#define	MII_STATUS_LINK_UP	    2
+#define	MII_STATUS_AUTONEG_ABLE	3
+#define	MII_STATUS_REMOTE_FAULT	4
+#define	MII_STATUS_AUTONEG_DONE	5
+#define	MII_STATUS_NO_PREAMBLE	6
+#define	MII_STATUS_RESERVED	    7
+#define	MII_STATUS_EXTENDED	    8
+#define	MII_STATUS_100_T2_HALF	9
+#define	MII_STATUS_100_T2_FULL	10
+#define	MII_STATUS_10_TX_HALF	11
+#define	MII_STATUS_10_TX_FULL	12
+#define	MII_STATUS_100_TX_HALF	13
+#define	MII_STATUS_100_TX_FULL	14
+#define	MII_STATUS_100_T4	    15
+
+#define	MII_GIGA_CONTROL_HALF	8
+#define	MII_GIGA_CONTROL_FULL	9
+#define	MII_GIGA_STATUS_HALF	10
+#define	MII_GIGA_STATUS_FULL	11
+
+/* Extended status */
+#define	MII_STATUS_1000_T_HALF	12
+#define	MII_STATUS_1000_T_FULL	13
+#define	MII_STATUS_1000_X_HALF	14
+#define	MII_STATUS_1000_X_FULL	15
+
+/* Local/Remmote capability register */
+#define	MII_CAP_10BASE_TX	    5
+#define	MII_CAP_10BASE_TX_FULL	6
+#define	MII_CAP_100BASE_TX	    7
+#define	MII_CAP_100BASE_TX_FULL	8
+#define	MII_CAP_100BASE_T4	    9
+#define	MII_CAP_SYMM_PAUSE	    10
+#define	MII_CAP_ASYMM_PAUSE	    11
+#define	MII_CAP_RESERVED	    12
+#define	MII_CAP_REMOTE_FAULT	13
+#define	MII_CAP_ACKNOWLEDGE	    14
+#define	MII_CAP_NEXT_PAGE	    15
+#define	MII_CAP_IEEE_802_3	    0x0001
+
+#define	MII_LINK_MODE_MASK	    0x1f
+
+#define REALTEK_RTL8366_CHIP_ID0    0x001C
+#define REALTEK_RTL8366_CHIP_ID1    0xC940
+#define REALTEK_RTL8366_CHIP_ID1_MP 0xC960
+
+#define REALTEK_MIN_PORT_ID     0
+#define REALTEK_MAX_PORT_ID     5
+#define REALTEK_MIN_PHY_ID      REALTEK_MIN_PORT_ID
+#define REALTEK_MAX_PHY_ID      4
+#define REALTEK_CPU_PORT_ID     REALTEK_MAX_PORT_ID
+#define REALTEK_PHY_PORT_MASK   ((1<<(REALTEK_MAX_PHY_ID+1)) - (1<<REALTEK_MIN_PHY_ID))
+#define REALTEK_CPU_PORT_MASK   (1<<REALTEK_CPU_PORT_ID)
+#define REALTEK_ALL_PORT_MASK   (REALTEK_PHY_PORT_MASK | REALTEK_CPU_PORT_MASK)
+
+/* port ability */
+#define RTL8366S_PORT_ABILITY_BASE			0x0011
+
+/* port vlan control register */
+#define RTL8366S_PORT_VLAN_CTRL_BASE			0x0058
+
+/* port linking status */
+#define RTL8366S_PORT_LINK_STATUS_BASE			0x0060
+#define RTL8366S_PORT_STATUS_SPEED_BIT			0
+#define RTL8366S_PORT_STATUS_SPEED_MSK			0x0003
+#define RTL8366S_PORT_STATUS_DUPLEX_BIT			2
+#define RTL8366S_PORT_STATUS_DUPLEX_MSK			0x0004
+#define RTL8366S_PORT_STATUS_LINK_BIT			4
+#define RTL8366S_PORT_STATUS_LINK_MSK			0x0010
+#define RTL8366S_PORT_STATUS_TXPAUSE_BIT		5
+#define RTL8366S_PORT_STATUS_TXPAUSE_MSK		0x0020
+#define RTL8366S_PORT_STATUS_RXPAUSE_BIT		6
+#define RTL8366S_PORT_STATUS_RXPAUSE_MSK		0x0040
+#define RTL8366S_PORT_STATUS_AN_BIT			7
+#define RTL8366S_PORT_STATUS_AN_MSK			0x0080
+
+/* internal control */
+#define RTL8366S_RESET_CONTROL_REG			0x0100
+#define RTL8366S_RESET_QUEUE_BIT			2
+
+#define RTL8366S_CHIP_ID_REG				0x0105
+
+/* MAC control */
+#define RTL8366S_MAC_FORCE_CTRL0_REG			0x0F04
+#define RTL8366S_MAC_FORCE_CTRL1_REG			0x0F05
+
+
+/* PHY registers control */
+#define RTL8366S_PHY_ACCESS_CTRL_REG			0x8028
+#define RTL8366S_PHY_ACCESS_DATA_REG			0x8029
+
+#define RTL8366S_PHY_CTRL_READ				1
+#define RTL8366S_PHY_CTRL_WRITE				0
+
+#define RTL8366S_PHY_REG_MASK				0x1F
+#define RTL8366S_PHY_PAGE_OFFSET			5
+#define RTL8366S_PHY_PAGE_MASK				(0x7<<5)
+#define RTL8366S_PHY_NO_OFFSET				9
+#define RTL8366S_PHY_NO_MASK				(0x1F<<9)
+
+#define RTL8366S_PHY_NO_MAX				4
+#define RTL8366S_PHY_PAGE_MAX				7
+#define RTL8366S_PHY_ADDR_MAX				31
+
+/* cpu port control reg */
+#define RTL8366S_CPU_CTRL_REG				0x004F
+#define RTL8366S_CPU_DRP_BIT				14
+#define RTL8366S_CPU_DRP_MSK				0x4000
+#define RTL8366S_CPU_INSTAG_BIT				15
+#define RTL8366S_CPU_INSTAG_MSK				0x8000
+
+/* LED registers*/
+#define RTL8366S_LED_BLINK_REG				0x420
+#define RTL8366S_LED_BLINKRATE_BIT			0
+#define RTL8366S_LED_BLINKRATE_MSK			0x0007
+#define RTL8366S_LED_INDICATED_CONF_REG			0x421
+#define RTL8366S_LED_0_1_FORCE_REG			0x422
+#define RTL8366S_LED_2_3_FORCE_REG			0x423
+#define RTL8366S_LEDCONF_LEDFORCE			0x1F
+#define RTL8366S_LED_GROUP_MAX				4
+
+#define RTL8366S_GREEN_FEATURE_REG			0x000A
+#define RTL8366S_GREEN_FEATURE_TX_BIT			3
+#define RTL8366S_GREEN_FEATURE_TX_MSK			0x0008
+#define RTL8366S_GREEN_FEATURE_RX_BIT			4
+#define RTL8366S_GREEN_FEATURE_RX_MSK			0x0010
+
+#define	RTL8366S_MODEL_ID_REG	0x5C
+#define	RTL8366S_REV_ID_REG	0x5D
+#define	RTL8366S_MODEL_8366SR	0x6027
+#define	RTL8366S_MODEL_8366RB	0x5937
+
+#endif
diff --git a/package/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c b/package/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c
new file mode 100644
index 0000000000..e3c5316543
--- /dev/null
+++ b/package/uboot-ar71xx/files/drivers/net/phy/rtl8366_mii.c
@@ -0,0 +1,786 @@
+/*
+ * (C) Copyright 2010
+ * Michael Kurz <michi.kurz@googlemail.com>.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+
+#include <common.h>
+#include <net.h>
+#include <netdev.h>
+#include <miiphy.h>
+#include MII_GPIOINCLUDE
+
+#include "rtl8366.h"
+
+#ifdef DEBUG_RTL8366
+	#define DBG(fmt,args...)	printf (fmt ,##args)
+#else
+	#define DBG(fmt,args...)
+#endif
+
+
+//-------------------------------------------------------------------
+// Soft SMI functions
+//-------------------------------------------------------------------
+
+#define DELAY 2
+
+static void smi_init(void)
+{
+    MII_SDAINPUT;
+    MII_SCKINPUT;
+
+	MII_SETSDA(1);
+	MII_SETSCK(1);
+
+    udelay(20);
+}
+
+static void smi_start(void)
+{
+/*
+ * rtl8366 chip needs a extra clock with
+ * SDA high before start condition
+ */
+
+    /* set gpio pins output */
+    MII_SDAOUTPUT;
+    MII_SCKOUTPUT;
+    udelay(DELAY);
+
+    /* set initial state: SCK:0, SDA:1 */
+    MII_SETSCK(0);
+    MII_SETSDA(1);
+    udelay(DELAY);
+
+    /* toggle clock */
+    MII_SETSCK(1);
+    udelay(DELAY);
+    MII_SETSCK(0);
+    udelay(DELAY);
+
+    /* start condition */
+    MII_SETSCK(1);
+    udelay(DELAY);
+    MII_SETSDA(0);
+    udelay(DELAY);
+    MII_SETSCK(0);
+    udelay(DELAY);
+    MII_SETSDA(1);
+}
+
+static void smi_stop(void)
+{
+/*
+ * rtl8366 chip needs a extra clock with
+ * SDA high after stop condition
+ */
+
+    /* stop condition */
+	udelay(DELAY);
+    MII_SETSDA(0);
+    MII_SETSCK(1);
+    udelay(DELAY);
+    MII_SETSDA(1);
+    udelay(DELAY);
+    MII_SETSCK(1);
+    udelay(DELAY);
+    MII_SETSCK(0);
+    udelay(DELAY);
+
+    /* toggle clock */
+    MII_SETSCK(1);
+    udelay(DELAY);
+    MII_SETSCK(0);
+    udelay(DELAY);
+    MII_SETSCK(1);
+
+    /* set gpio pins input */
+    MII_SDAINPUT;
+    MII_SCKINPUT;
+}
+
+static void smi_writeBits(uint32_t data, uint8_t length)
+{
+    uint8_t test;
+
+    for( ; length > 0; length--) {
+        udelay(DELAY);
+
+        /* output data */
+        test = (((data & (1 << (length - 1))) != 0) ? 1 : 0);
+        MII_SETSDA(test);
+        udelay(DELAY);
+
+        /* toogle clock */
+        MII_SETSCK(1);
+        udelay(DELAY);
+        MII_SETSCK(0);
+    }
+}
+
+static uint32_t smi_readBits(uint8_t length)
+{
+    uint32_t ret;
+
+    MII_SDAINPUT;
+
+    for(ret = 0 ; length > 0; length--) {
+        udelay(DELAY);
+
+        ret <<= 1;
+
+        /* toogle clock */
+        MII_SETSCK(1);
+        udelay(DELAY);
+        ret |= MII_GETSDA;
+        MII_SETSCK(0);
+    }
+
+    MII_SDAOUTPUT;
+
+    return ret;
+}
+
+static int smi_waitAck(void)
+{
+    uint32_t retry = 0;
+
+	while (smi_readBits(1)) {
+		if (retry++ == 5)
+			return -1;
+	}
+
+	return 0;
+
+}
+
+static int smi_read(uint32_t reg, uint32_t *data)
+{
+    uint32_t rawData;
+
+    /* send start condition */
+    smi_start();
+    /* send CTRL1 code: 0b1010*/
+    smi_writeBits(0x0a, 4);
+    /* send CTRL2 code: 0b100 */
+    smi_writeBits(0x04, 3);
+    /* send READ command */
+    smi_writeBits(0x01, 1);
+
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+
+    /* send address low */
+    smi_writeBits(reg & 0xFF, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+    /* send address high */
+    smi_writeBits((reg & 0xFF00) >> 8, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+
+    /* read data low */
+    rawData = (smi_readBits(8) & 0xFF);
+    /* send ACK */
+    smi_writeBits(0, 1);
+    /* read data high */
+    rawData |= (smi_readBits(8) & 0xFF) << 8;
+    /* send NACK */
+    smi_writeBits(1, 1);
+
+    /* send stop condition */
+    smi_stop();
+
+    if (data)
+        *data = rawData;
+
+    return 0;
+}
+
+static int smi_write(uint32_t reg, uint32_t data)
+{
+    /* send start condition */
+    smi_start();
+    /* send CTRL1 code: 0b1010*/
+    smi_writeBits(0x0a, 4);
+    /* send CTRL2 code: 0b100 */
+    smi_writeBits(0x04, 3);
+    /* send WRITE command */
+    smi_writeBits(0x00, 1);
+
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+
+    /* send address low */
+    smi_writeBits(reg & 0xFF, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+    /* send address high */
+    smi_writeBits((reg & 0xFF00) >> 8, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+
+    /* send data low */
+    smi_writeBits(data & 0xFF, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+    /* send data high */
+    smi_writeBits((data & 0xFF00) >> 8, 8);
+    /* wait for ACK */
+    if (smi_waitAck())
+        return -1;
+
+    /* send stop condition */
+    smi_stop();
+
+    return 0;
+}
+
+
+//-------------------------------------------------------------------
+// Switch register read / write functions
+//-------------------------------------------------------------------
+static int rtl8366_readRegister(uint32_t reg, uint16_t *data)
+{
+    uint32_t regData;
+
+    DBG("rtl8366: read register=%#04x, data=", reg);
+
+    if (smi_read(reg, &regData)) {
+        printf("\nrtl8366 smi read failed!\n");
+        return -1;
+    }
+
+    if (data)
+        *data = regData;
+
+    DBG("%#04x\n", regData);
+
+    return 0;
+}
+
+static int rtl8366_writeRegister(uint32_t reg, uint16_t data)
+{
+    DBG("rtl8366: write register=%#04x, data=%#04x\n", reg, data);
+
+    if (smi_write(reg, data)) {
+        printf("rtl8366 smi write failed!\n");
+        return -1;
+    }
+
+    return 0;
+}
+
+static int rtl8366_setRegisterBit(uint32_t reg, uint32_t bitNum, uint32_t value)
+{
+    uint16_t regData;
+
+    if (bitNum >= 16)
+        return -1;
+
+    if (rtl8366_readRegister(reg, &regData))
+        return -1;
+
+    if (value)
+        regData |= (1 << bitNum);
+    else
+        regData &= ~(1 << bitNum);
+
+    if (rtl8366_writeRegister(reg, regData))
+        return -1;
+
+    return 0;
+}
+
+//-------------------------------------------------------------------
+// MII PHY read / write functions
+//-------------------------------------------------------------------
+static int rtl8366_getPhyReg(uint32_t phyNum, uint32_t reg, uint16_t *data)
+{
+    uint16_t phyAddr, regData;
+
+    if (phyNum > RTL8366S_PHY_NO_MAX) {
+		printf("rtl8366s: invalid phy number!\n");
+		return -1;
+	}
+
+    if (phyNum > RTL8366S_PHY_ADDR_MAX) {
+		printf("rtl8366s: invalid phy register number!\n");
+		return -1;
+	}
+
+	if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG,
+                           RTL8366S_PHY_CTRL_READ))
+        return -1;
+
+    phyAddr = 0x8000 | (1 << (phyNum + RTL8366S_PHY_NO_OFFSET))
+                     | (reg & RTL8366S_PHY_REG_MASK);
+    if (rtl8366_writeRegister(phyAddr, 0))
+        return -1;
+
+    if (rtl8366_readRegister(RTL8366S_PHY_ACCESS_DATA_REG, &regData))
+        return -1;
+
+    if (data)
+        *data = regData;
+
+    return 0;
+}
+
+static int rtl8366_setPhyReg(uint32_t phyNum, uint32_t reg, uint16_t data)
+{
+    uint16_t phyAddr;
+
+    if (phyNum > RTL8366S_PHY_NO_MAX) {
+		printf("rtl8366s: invalid phy number!\n");
+		return -1;
+	}
+
+    if (phyNum > RTL8366S_PHY_ADDR_MAX) {
+		printf("rtl8366s: invalid phy register number!\n");
+		return -1;
+	}
+
+	if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG,
+                           RTL8366S_PHY_CTRL_WRITE))
+        return -1;
+
+    phyAddr = 0x8000 | (1 << (phyNum + RTL8366S_PHY_NO_OFFSET))
+                     | (reg & RTL8366S_PHY_REG_MASK);
+    if (rtl8366_writeRegister(phyAddr, data))
+        return -1;
+
+    return 0;
+}
+
+static int rtl8366_miiread(char *devname, uchar phy_adr, uchar reg, ushort *data)
+{
+    uint16_t regData;
+
+    DBG("rtl8366_miiread: devname=%s, addr=%#02x, reg=%#02x\n",
+          devname, phy_adr, reg);
+
+    if (strcmp(devname, RTL8366_DEVNAME) != 0)
+        return -1;
+
+    if (rtl8366_getPhyReg(phy_adr, reg, &regData)) {
+        printf("rtl8366_miiread: write failed!\n");
+        return -1;
+    }
+
+    if (data)
+        *data = regData;
+
+    return 0;
+}
+
+static int rtl8366_miiwrite(char *devname, uchar phy_adr, uchar reg, ushort data)
+{
+    DBG("rtl8366_miiwrite: devname=%s, addr=%#02x, reg=%#02x, data=%#04x\n",
+          devname, phy_adr, reg, data);
+
+    if (strcmp(devname, RTL8366_DEVNAME) != 0)
+        return -1;
+
+    if (rtl8366_setPhyReg(phy_adr, reg, data)) {
+        printf("rtl8366_miiwrite: write failed!\n");
+        return -1;
+    }
+
+    return 0;
+}
+
+int rtl8366_mii_register(bd_t *bis)
+{
+    miiphy_register(strdup(RTL8366_DEVNAME), rtl8366_miiread,
+			rtl8366_miiwrite);
+
+    return 0;
+}
+
+
+//-------------------------------------------------------------------
+// Switch management functions
+//-------------------------------------------------------------------
+
+int rtl8366s_setGreenFeature(uint32_t tx, uint32_t rx)
+{
+    if (rtl8366_setRegisterBit(RTL8366S_GREEN_FEATURE_REG,
+                               RTL8366S_GREEN_FEATURE_TX_BIT, tx))
+        return -1;
+
+    if (rtl8366_setRegisterBit(RTL8366S_GREEN_FEATURE_REG,
+                               RTL8366S_GREEN_FEATURE_RX_BIT, rx))
+        return -1;
+
+    return 0;
+}
+
+int rtl8366s_setPowerSaving(uint32_t phyNum, uint32_t enabled)
+{
+    uint16_t regData;
+
+    if (phyNum > RTL8366S_PHY_NO_MAX)
+        return -1;
+
+    if (rtl8366_getPhyReg(phyNum, 12, &regData))
+        return -1;
+
+    if (enabled)
+        regData |= (1 << 12);
+    else
+        regData &= ~(1 << 12);
+
+    if (rtl8366_setPhyReg(phyNum, 12, regData))
+        return -1;
+
+    return 0;
+}
+
+int rtl8366s_setGreenEthernet(uint32_t greenFeature, uint32_t powerSaving)
+{
+    uint32_t phyNum, i;
+    uint16_t regData;
+
+	const uint16_t greenSettings[][2] =
+	{
+		{0xBE5B,0x3500},
+		{0xBE5C,0xB975},
+		{0xBE5D,0xB9B9},
+		{0xBE77,0xA500},
+		{0xBE78,0x5A78},
+		{0xBE79,0x6478}
+	};
+
+    if (rtl8366_readRegister(RTL8366S_MODEL_ID_REG, &regData))
+        return -1;
+
+	switch (regData)
+	{
+		case 0x0000:
+			for (i = 0; i < 6; i++) {
+				if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, RTL8366S_PHY_CTRL_WRITE))
+					return -1;
+				if (rtl8366_writeRegister(greenSettings[i][0], greenSettings[i][1]))
+					return -1;
+			}
+			break;
+
+		case RTL8366S_MODEL_8366SR:
+			if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG, RTL8366S_PHY_CTRL_WRITE))
+				return -1;
+			if (rtl8366_writeRegister(greenSettings[0][0], greenSettings[0][1]))
+				return -1;
+			break;
+
+		default:
+			printf("rtl8366s_initChip: unsupported chip found!\n");
+			return -1;
+	}
+
+    if (rtl8366s_setGreenFeature(greenFeature, powerSaving))
+        return -1;
+
+    for (phyNum = 0; phyNum <= RTL8366S_PHY_NO_MAX; phyNum++) {
+        if (rtl8366s_setPowerSaving(phyNum, powerSaving))
+            return -1;
+    }
+
+    return 0;
+}
+
+int rtl8366s_setCPUPortMask(uint8_t port, uint32_t enabled)
+{
+	if(port >= 6){
+		printf("rtl8366s_setCPUPortMask: invalid port number\n");
+		return -1;
+	}
+
+	return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG, port, enabled);
+}
+
+int rtl8366s_setCPUDisableInsTag(uint32_t enable)
+{
+	return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG,
+		RTL8366S_CPU_INSTAG_BIT, enable);
+}
+
+int rtl8366s_setCPUDropUnda(uint32_t enable)
+{
+	return rtl8366_setRegisterBit(RTL8366S_CPU_CTRL_REG,
+		RTL8366S_CPU_DRP_BIT, enable);
+}
+
+int rtl8366s_setCPUPort(uint8_t port, uint32_t noTag, uint32_t dropUnda)
+{
+	uint32_t i;
+
+	if(port >= 6){
+		printf("rtl8366s_setCPUPort: invalid port number\n");
+		return -1;
+	}
+
+	/* reset register */
+	for(i = 0; i < 6; i++)
+	{
+		if(rtl8366s_setCPUPortMask(i, 0)){
+			printf("rtl8366s_setCPUPort: rtl8366s_setCPUPortMask failed\n");
+			return -1;
+		}
+	}
+
+	if(rtl8366s_setCPUPortMask(port, 1)){
+		printf("rtl8366s_setCPUPort: rtl8366s_setCPUPortMask failed\n");
+		return -1;
+	}
+
+	if(rtl8366s_setCPUDisableInsTag(noTag)){
+		printf("rtl8366s_setCPUPort: rtl8366s_setCPUDisableInsTag fail\n");
+		return -1;
+	}
+
+	if(rtl8366s_setCPUDropUnda(dropUnda)){
+		printf("rtl8366s_setCPUPort: rtl8366s_setCPUDropUnda fail\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+int rtl8366s_setLedConfig(uint32_t ledNum, uint8_t config)
+{
+    uint16_t regData;
+
+	if(ledNum >= RTL8366S_LED_GROUP_MAX) {
+		DBG("rtl8366s_setLedConfig: invalid led group\n");
+		return -1;
+	}
+
+    if(config > RTL8366S_LEDCONF_LEDFORCE) {
+		DBG("rtl8366s_setLedConfig: invalid led config\n");
+		return -1;
+	}
+
+	if (rtl8366_readRegister(RTL8366S_LED_INDICATED_CONF_REG, &regData)) {
+        printf("rtl8366s_setLedConfig: failed to get led register!\n");
+        return -1;
+	}
+
+	regData &= ~(0xF << (ledNum * 4));
+	regData |= config << (ledNum * 4);
+
+	if (rtl8366_writeRegister(RTL8366S_LED_INDICATED_CONF_REG, regData)) {
+        printf("rtl8366s_setLedConfig: failed to set led register!\n");
+        return -1;
+	}
+
+	return 0;
+}
+
+int rtl8366s_getLedConfig(uint32_t ledNum, uint8_t *config)
+{
+    uint16_t regData;
+
+	if(ledNum >= RTL8366S_LED_GROUP_MAX) {
+		DBG("rtl8366s_getLedConfig: invalid led group\n");
+		return -1;
+	}
+
+    if (rtl8366_readRegister(RTL8366S_LED_INDICATED_CONF_REG, &regData)) {
+        printf("rtl8366s_getLedConfig: failed to get led register!\n");
+        return -1;
+	}
+
+	if (config)
+        *config = (regData >> (ledNum * 4)) & 0xF;
+
+    return 0;
+}
+
+int rtl8366s_setLedForceValue(uint32_t group0, uint32_t group1,
+                              uint32_t group2, uint32_t group3)
+{
+    uint16_t regData;
+
+    regData = (group0 & 0x3F) | ((group1 & 0x3F) << 6);
+	if (rtl8366_writeRegister(RTL8366S_LED_0_1_FORCE_REG, regData)) {
+        printf("rtl8366s_setLedForceValue: failed to set led register!\n");
+        return -1;
+	}
+
+    regData = (group2 & 0x3F) | ((group3 & 0x3F) << 6);
+	if (rtl8366_writeRegister(RTL8366S_LED_2_3_FORCE_REG, regData)) {
+        printf("rtl8366s_setLedForceValue: failed to set led register!\n");
+        return -1;
+	}
+
+	return 0;
+}
+
+int rtl8366s_initChip(void)
+{
+    uint32_t ledGroup, i = 0;
+    uint16_t regData;
+    uint8_t ledData[RTL8366S_LED_GROUP_MAX];
+	const uint16_t (*chipData)[2];
+
+	const uint16_t chipB[][2] =
+	{
+		{0x0000,	0x0038},{0x8100,	0x1B37},{0xBE2E,	0x7B9F},{0xBE2B,	0xA4C8},
+		{0xBE74,	0xAD14},{0xBE2C,	0xDC00},{0xBE69,	0xD20F},{0xBE3B,	0xB414},
+		{0xBE24,	0x0000},{0xBE23,	0x00A1},{0xBE22,	0x0008},{0xBE21,	0x0120},
+		{0xBE20,	0x1000},{0xBE24,	0x0800},{0xBE24,	0x0000},{0xBE24,	0xF000},
+		{0xBE23,	0xDF01},{0xBE22,	0xDF20},{0xBE21,	0x101A},{0xBE20,	0xA0FF},
+		{0xBE24,	0xF800},{0xBE24,	0xF000},{0x0242,	0x02BF},{0x0245,	0x02BF},
+		{0x0248,	0x02BF},{0x024B,	0x02BF},{0x024E,	0x02BF},{0x0251,	0x02BF},
+		{0x0230,	0x0A32},{0x0233,	0x0A32},{0x0236,	0x0A32},{0x0239,	0x0A32},
+		{0x023C,	0x0A32},{0x023F,	0x0A32},{0x0254,	0x0A3F},{0x0255,	0x0064},
+		{0x0256,	0x0A3F},{0x0257,	0x0064},{0x0258,	0x0A3F},{0x0259,	0x0064},
+		{0x025A,	0x0A3F},{0x025B,	0x0064},{0x025C,	0x0A3F},{0x025D,	0x0064},
+		{0x025E,	0x0A3F},{0x025F,	0x0064},{0x0260,	0x0178},{0x0261,	0x01F4},
+		{0x0262,	0x0320},{0x0263,	0x0014},{0x021D,	0x9249},{0x021E,	0x0000},
+		{0x0100,	0x0004},{0xBE4A,	0xA0B4},{0xBE40,	0x9C00},{0xBE41,	0x501D},
+		{0xBE48,	0x3602},{0xBE47,	0x8051},{0xBE4C,	0x6465},{0x8000,	0x1F00},
+		{0x8001,	0x000C},{0x8008,	0x0000},{0x8007,	0x0000},{0x800C,	0x00A5},
+		{0x8101,	0x02BC},{0xBE53,	0x0005},{0x8E45,	0xAFE8},{0x8013,	0x0005},
+		{0xBE4B,	0x6700},{0x800B,	0x7000},{0xBE09,	0x0E00},
+		{0xFFFF, 0xABCD}
+	};
+
+    const uint16_t chipDefault[][2] =
+    {
+        {0x0242, 0x02BF},{0x0245, 0x02BF},{0x0248, 0x02BF},{0x024B, 0x02BF},
+		{0x024E, 0x02BF},{0x0251, 0x02BF},
+		{0x0254, 0x0A3F},{0x0256, 0x0A3F},{0x0258, 0x0A3F},{0x025A, 0x0A3F},
+		{0x025C, 0x0A3F},{0x025E, 0x0A3F},
+		{0x0263, 0x007C},{0x0100, 0x0004},
+		{0xBE5B, 0x3500},{0x800E, 0x200F},{0xBE1D, 0x0F00},{0x8001, 0x5011},
+		{0x800A, 0xA2F4},{0x800B, 0x17A3},{0xBE4B, 0x17A3},{0xBE41, 0x5011},
+		{0xBE17, 0x2100},{0x8000, 0x8304},{0xBE40, 0x8304},{0xBE4A, 0xA2F4},
+		{0x800C, 0xA8D5},{0x8014, 0x5500},{0x8015, 0x0004},{0xBE4C, 0xA8D5},
+		{0xBE59, 0x0008},{0xBE09, 0x0E00},{0xBE36, 0x1036},{0xBE37, 0x1036},
+		{0x800D, 0x00FF},{0xBE4D, 0x00FF},
+		{0xFFFF, 0xABCD}
+    };
+
+	DBG("rtl8366s_initChip\n");
+
+    /* save current led config and set to led force */
+    for (ledGroup = 0; ledGroup < RTL8366S_LED_GROUP_MAX; ledGroup++) {
+        if (rtl8366s_getLedConfig(ledGroup, &ledData[ledGroup]))
+            return -1;
+
+        if (rtl8366s_setLedConfig(ledGroup, RTL8366S_LEDCONF_LEDFORCE))
+            return -1;
+    }
+
+    if (rtl8366s_setLedForceValue(0,0,0,0))
+        return -1;
+
+    if (rtl8366_readRegister(RTL8366S_MODEL_ID_REG, &regData))
+        return -1;
+
+	switch (regData)
+	{
+		case 0x0000:
+			chipData = chipB;
+			break;
+
+		case RTL8366S_MODEL_8366SR:
+			chipData = chipDefault;
+			break;
+
+		default:
+			printf("rtl8366s_initChip: unsupported chip found!\n");
+			return -1;
+	}
+
+    DBG("rtl8366s_initChip: found %x chip\n", regData);
+
+    while ((chipData[i][0] != 0xFFFF) && (chipData[i][1] != 0xABCD)) {
+
+        /* phy settings*/
+        if ((chipData[i][0] & 0xBE00) == 0xBE00) {
+            if (rtl8366_writeRegister(RTL8366S_PHY_ACCESS_CTRL_REG,
+                                      RTL8366S_PHY_CTRL_WRITE))
+                return -1;
+        }
+
+        if (rtl8366_writeRegister(chipData[i][0], chipData[i][1]))
+            return -1;
+
+        i++;
+    }
+
+    /* chip needs some time */
+    udelay(100 * 1000);
+
+    /* restore led config */
+    for (ledGroup = 0; ledGroup < RTL8366S_LED_GROUP_MAX; ledGroup++) {
+        if (rtl8366s_setLedConfig(ledGroup, ledData[ledGroup]))
+            return -1;
+    }
+
+    return 0;
+}
+
+int rtl8366s_initialize(void)
+{
+	uint16_t regData;
+
+    DBG("rtl8366s_initialize: start setup\n");
+
+    smi_init();
+
+	rtl8366_readRegister(RTL8366S_CHIP_ID_REG, &regData);
+	DBG("Realtek 8366SR switch ID %#04x\n", regData);
+
+	if (regData != 0x8366) {
+		printf("rtl8366s_initialize: found unsupported switch\n");
+		return -1;
+	}
+
+    if (rtl8366s_initChip()) {
+        printf("rtl8366s_initialize: init chip failed\n");
+        return -1;
+    }
+
+	if (rtl8366s_setGreenEthernet(1, 1)) {
+       printf("rtl8366s_initialize: set green ethernet failed\n");
+       return -1;
+   }
+
+   	/* Set port 5 noTag and don't dropUnda */
+	if (rtl8366s_setCPUPort(5, 1, 0)) {
+		printf("rtl8366s_initialize: set CPU port failed\n");
+		return -1;
+	}
+
+    return 0;
+}