diff options
Diffstat (limited to 'board/LaCie/common/common.c')
| -rw-r--r-- | board/LaCie/common/common.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/board/LaCie/common/common.c b/board/LaCie/common/common.c new file mode 100644 index 0000000..a62bf9f --- /dev/null +++ b/board/LaCie/common/common.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com> + * + * 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. + */ + +#include <common.h> +#include <i2c.h> +#include <miiphy.h> + +#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) + +#define MII_MARVELL_PHY_PAGE 22 + +#define MV88E1116_LED_FCTRL_REG 10 +#define MV88E1116_CPRSP_CR3_REG 21 +#define MV88E1116_MAC_CTRL_REG 21 +#define MV88E1116_RGMII_TXTM_CTRL (1 << 4) +#define MV88E1116_RGMII_RXTM_CTRL (1 << 5) + +void mv_phy_88e1116_init(const char *name, u16 phyaddr) +{ + u16 reg; + + if (miiphy_set_current_dev(name)) + return; + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2); + miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®); + reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); + miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg); + miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0); + + if (miiphy_reset(name, phyaddr) == 0) + printf("88E1116 Initialized on %s\n", name); +} + +void mv_phy_88e1318_init(const char *name, u16 phyaddr) +{ + u16 reg; + + if (miiphy_set_current_dev(name)) + return; + + /* + * Set control mode 4 for LED[0]. + */ + miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 3); + miiphy_read(name, phyaddr, 16, ®); + reg |= 0xf; + miiphy_write(name, phyaddr, 16, reg); + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 2); + miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, ®); + reg |= (MV88E1116_RGMII_TXTM_CTRL | MV88E1116_RGMII_RXTM_CTRL); + miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg); + miiphy_write(name, phyaddr, MII_MARVELL_PHY_PAGE, 0); + + if (miiphy_reset(name, phyaddr) == 0) + printf("88E1318 Initialized on %s\n", name); +} +#endif /* CONFIG_CMD_NET && CONFIG_RESET_PHY_R */ + +#if defined(CONFIG_CMD_I2C) && defined(CONFIG_SYS_I2C_EEPROM_ADDR) +int lacie_read_mac_address(uchar *mac_addr) +{ + int ret; + ushort version; + + /* I2C-0 for on-board EEPROM */ + i2c_set_bus_num(0); + + /* Check layout version for EEPROM data */ + ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, + (uchar *) &version, 2); + if (ret != 0) { + printf("Error: failed to read I2C EEPROM @%02x\n", + CONFIG_SYS_I2C_EEPROM_ADDR); + return ret; + } + version = be16_to_cpu(version); + if (version < 1 || version > 3) { + printf("Error: unknown version %d for EEPROM data\n", + version); + return -1; + } + + /* Read Ethernet MAC address from EEPROM */ + ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac_addr, 6); + if (ret != 0) + printf("Error: failed to read I2C EEPROM @%02x\n", + CONFIG_SYS_I2C_EEPROM_ADDR); + return ret; +} +#endif /* CONFIG_CMD_I2C && CONFIG_SYS_I2C_EEPROM_ADDR */ |
