1 /* 2 * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com> 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License as 6 * published by the Free Software Foundation; either version 2 of 7 * the License, or (at your option) any later version. 8 */ 9 10 #include <common.h> 11 #include <i2c.h> 12 #include <miiphy.h> 13 14 #if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) 15 16 #define MII_MARVELL_PHY_PAGE 22 17 18 #define MV88E1116_LED_FCTRL_REG 10 19 #define MV88E1116_CPRSP_CR3_REG 21 20 #define MV88E1116_MAC_CTRL_REG 21 21 #define MV88E1116_RGMII_TXTM_CTRL (1 << 4) 22 #define MV88E1116_RGMII_RXTM_CTRL (1 << 5) 23 24 void mv_phy_88e1116_init(const char *name, u16 phyaddr) 25 { 26 u16 reg; 27 28 if (miiphy_set_current_dev(name)) 29 return; 30 31 /* 32 * Enable RGMII delay on Tx and Rx for CPU port 33 * Ref: sec 4.7.2 of chip datasheet 34 */ 35 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2); 36 miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®); 37 reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); 38 miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg); 39 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0); 40 41 if (miiphy_reset(name, phyaddr) == 0) 42 printf("88E1116 Initialized on %s\n", name); 43 } 44 45 void mv_phy_88e1318_init(const char *name, u16 phyaddr) 46 { 47 u16 reg; 48 49 if (miiphy_set_current_dev(name)) 50 return; 51 52 /* 53 * Set control mode 4 for LED[0]. 54 */ 55 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 3); 56 miiphy_read(name, phyaddr, 16, ®); 57 reg |= 0xf; 58 miiphy_write(name, phyaddr, 16, reg); 59 60 /* 61 * Enable RGMII delay on Tx and Rx for CPU port 62 * Ref: sec 4.7.2 of chip datasheet 63 */ 64 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2); 65 miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®); 66 reg |= (MV88E1116_RGMII_TXTM_CTRL | MV88E1116_RGMII_RXTM_CTRL); 67 miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg); 68 miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0); 69 70 if (miiphy_reset(name, phyaddr) == 0) 71 printf("88E1318 Initialized on %s\n", name); 72 } 73 #endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */ 74 75 #if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) 76 int lacie_read_mac_address(uchar *mac_addr) 77 { 78 int ret; 79 ushort version; 80 81 /* I2C-0 for on-board EEPROM */ 82 i2c_set_bus_num(0); 83 84 /* Check layout version for EEPROM data */ 85 ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, 86 CONFIG_SYS_I2C_EEPROM_ADDR_LEN, 87 (uchar *) &version, 2); 88 if (ret != 0) { 89 printf("Error: failed to read I2C EEPROM @%02x\n", 90 CONFIG_SYS_I2C_EEPROM_ADDR); 91 return ret; 92 } 93 version = be16_to_cpu(version); 94 if (version < 1 || version > 3) { 95 printf("Error: unknown version %d for EEPROM data\n", 96 version); 97 return -1; 98 } 99 100 /* Read Ethernet MAC address from EEPROM */ 101 ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2, 102 CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6); 103 if (ret != 0) 104 printf("Error: failed to read I2C EEPROM @%02x\n", 105 CONFIG_SYS_I2C_EEPROM_ADDR); 106 return ret; 107 } 108 #endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */ 109