diff options
Diffstat (limited to 'package/boot/uboot-ar71xx/src/drivers/net/phy/rtl8366_mii.c')
| -rw-r--r-- | package/boot/uboot-ar71xx/src/drivers/net/phy/rtl8366_mii.c | 786 |
1 files changed, 0 insertions, 786 deletions
diff --git a/package/boot/uboot-ar71xx/src/drivers/net/phy/rtl8366_mii.c b/package/boot/uboot-ar71xx/src/drivers/net/phy/rtl8366_mii.c deleted file mode 100644 index e3c5316543..0000000000 --- a/package/boot/uboot-ar71xx/src/drivers/net/phy/rtl8366_mii.c +++ /dev/null @@ -1,786 +0,0 @@ -/* - * (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, ®Data)) { - 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, ®Data)) - 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, ®Data)) - 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, ®Data)) { - 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, ®Data)) - 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, ®Data)) - 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, ®Data)) { - 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, ®Data)) { - 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, ®Data)) - 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, ®Data); - 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; -} |