LXR uboot/board/LaCie/common/common.c

   1/*
   2 * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <i2c.h>
   9#include <miiphy.h>
  10
  11#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R)
  12
  13#define MII_MARVELL_PHY_PAGE            22
  14
  15#define MV88E1116_LED_FCTRL_REG         10
  16#define MV88E1116_CPRSP_CR3_REG         21
  17#define MV88E1116_MAC_CTRL_REG          21
  18#define MV88E1116_RGMII_TXTM_CTRL       (1 << 4)
  19#define MV88E1116_RGMII_RXTM_CTRL       (1 << 5)
  20
  21void mv_phy_88e1116_init(const char *name, u16 phyaddr)
  22{
  23        u16 reg;
  24
  25        if (miiphy_set_current_dev(name))
  26                return;
  27
  28        /*
  29         * Enable RGMII delay on Tx and Rx for CPU port
  30         * Ref: sec 4.7.2 of chip datasheet
  31         */
  32        miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
  33        miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, &reg);
  34        reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
  35        miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
  36        miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
  37
  38        if (miiphy_reset(name, phyaddr) == 0)
  39                printf("88E1116 Initialized on %s\n", name);
  40}
  41
  42void mv_phy_88e1318_init(const char *name, u16 phyaddr)
  43{
  44        u16 reg;
  45
  46        if (miiphy_set_current_dev(name))
  47                return;
  48
  49        /*
  50         * Set control mode 4 for LED[0].
  51         */
  52        miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 3);
  53        miiphy_read(name, phyaddr, 16, &reg);
  54        reg |= 0xf;
  55        miiphy_write(name, phyaddr, 16, reg);
  56
  57        /*
  58         * Enable RGMII delay on Tx and Rx for CPU port
  59         * Ref: sec 4.7.2 of chip datasheet
  60         */
  61        miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2);
  62        miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, &reg);
  63        reg |= (MV88E1116_RGMII_TXTM_CTRL | MV88E1116_RGMII_RXTM_CTRL);
  64        miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
  65        miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0);
  66
  67        if (miiphy_reset(name, phyaddr) == 0)
  68                printf("88E1318 Initialized on %s\n", name);
  69}
  70#endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */
  71
  72#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR)
  73int lacie_read_mac_address(uchar *mac_addr)
  74{
  75        int ret;
  76        ushort version;
  77
  78        /* I2C-0 for on-board EEPROM */
  79        i2c_set_bus_num(0);
  80
  81        /* Check layout version for EEPROM data */
  82        ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
  83                        CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
  84                        (uchar *) &version, 2);
  85        if (ret != 0) {
  86                printf("Error: failed to read I2C EEPROM @%02x\n",
  87                        CONFIG_SYS_I2C_EEPROM_ADDR);
  88                return ret;
  89        }
  90        version = be16_to_cpu(version);
  91        if (version < 1 || version > 3) {
  92                printf("Error: unknown version %d for EEPROM data\n",
  93                        version);
  94                return -1;
  95        }
  96
  97        /* Read Ethernet MAC address from EEPROM */
  98        ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
  99                        CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6);
 100        if (ret != 0)
 101                printf("Error: failed to read I2C EEPROM @%02x\n",
 102                        CONFIG_SYS_I2C_EEPROM_ADDR);
 103        return ret;
 104}
 105#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */
 106