diff options
Diffstat (limited to 'board/LaCie/net2big_v2/net2big_v2.c')
| -rw-r--r-- | board/LaCie/net2big_v2/net2big_v2.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/board/LaCie/net2big_v2/net2big_v2.c b/board/LaCie/net2big_v2/net2big_v2.c new file mode 100644 index 0000000000..16d1405478 --- /dev/null +++ b/board/LaCie/net2big_v2/net2big_v2.c @@ -0,0 +1,188 @@ +/* + * Copyright (C) 2011 Simon Guinot <sguinot@lacie.com> + * + * Based on Kirkwood support: + * (C) Copyright 2009 + * Marvell Semiconductor <www.marvell.com> + * Written-by: Prafulla Wadaskar <prafulla@marvell.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. + */ + +#include <common.h> +#include <miiphy.h> +#include <netdev.h> +#include <command.h> +#include <i2c.h> +#include <asm/arch/cpu.h> +#include <asm/arch/kirkwood.h> +#include <asm/arch/mpp.h> +#include <asm/arch/gpio.h> +#include "net2big_v2.h" + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* GPIO configuration */ + kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH, + NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH); + + /* Multi-Purpose Pins Functionality configuration */ + u32 kwmpp_config[] = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP6_SYSRST_OUTn, + MPP7_GPO, /* Request power-off */ + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_GPIO, /* Rear power switch (on|auto) */ + MPP14_GPIO, /* USB fuse alarm */ + MPP15_GPIO, /* Rear power switch (auto|off) */ + MPP16_GPIO, /* SATA HDD1 power */ + MPP17_GPIO, /* SATA HDD2 power */ + MPP20_SATA1_ACTn, + MPP21_SATA0_ACTn, + MPP24_GPIO, /* USB mode select */ + MPP26_GPIO, /* USB device vbus */ + MPP28_GPIO, /* USB enable host vbus */ + MPP29_GPIO, /* GPIO extension ALE */ + MPP34_GPIO, /* Rear Push button 0=on 1=off */ + MPP35_GPIO, /* Inhibit switch power-off */ + MPP36_GPIO, /* SATA HDD1 presence */ + MPP37_GPIO, /* SATA HDD2 presence */ + MPP40_GPIO, /* eSATA presence */ + MPP44_GPIO, /* GPIO extension (data 0) */ + MPP45_GPIO, /* GPIO extension (data 1) */ + MPP46_GPIO, /* GPIO extension (data 2) */ + MPP47_GPIO, /* GPIO extension (addr 0) */ + MPP48_GPIO, /* GPIO extension (addr 1) */ + MPP49_GPIO, /* GPIO extension (addr 2) */ + 0 + }; + + kirkwood_mpp_conf(kwmpp_config); + + return 0; +} + +int board_init(void) +{ + /* Machine number */ + gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2; + + /* Boot parameters address */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + return 0; +} + +int misc_init_r(void) +{ +#ifdef CONFIG_CMD_I2C + if (!getenv("ethaddr")) { + ushort version; + uchar mac[6]; + int ret; + + /* 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, 6); + if (ret != 0) { + printf("Error: failed to read I2C EEPROM @%02x\n", + CONFIG_SYS_I2C_EEPROM_ADDR); + return ret; + } + eth_setenv_enetaddr("ethaddr", mac); + } +#endif /* CONFIG_CMD_I2C */ + + return 0; +} + +void mv_phy_88e1116_init(char *name) +{ + u16 reg; + u16 devadr; + + if (miiphy_set_current_dev(name)) + return; + + /* command to read PHY dev address */ + if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { + printf("Err..(%s) could not read PHY dev address\n", __func__); + return; + } + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); + miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®); + reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); + miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg); + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); + + /* reset the phy */ + if (miiphy_read(name, devadr, MII_BMCR, ®) != 0) { + printf("Err..(%s) PHY status read failed\n", __func__); + return; + } + if (miiphy_write(name, devadr, MII_BMCR, reg | 0x8000) != 0) { + printf("Err..(%s) PHY reset failed\n", __func__); + return; + } + + debug("88E1116 Initialized on %s\n", name); +} + +/* Configure and initialize PHY */ +void reset_phy(void) +{ + mv_phy_88e1116_init("egiga0"); +} + +/* Return GPIO push button status */ +static int +do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON); +} + +U_BOOT_CMD(button, 1, 1, do_read_push_button, + "Return GPIO push button status 0=off 1=on", ""); |