189 lines
4.8 KiB
C
189 lines
4.8 KiB
C
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/*
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* Copyright (C) 2011 Simon Guinot <sguinot@lacie.com>
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*
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* Based on Kirkwood support:
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <command.h>
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#include <i2c.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/kirkwood.h>
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#include <asm/arch/mpp.h>
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#include <asm/arch/gpio.h>
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#include "net2big_v2.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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/* GPIO configuration */
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kw_config_gpio(NET2BIG_V2_OE_VAL_LOW, NET2BIG_V2_OE_VAL_HIGH,
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NET2BIG_V2_OE_LOW, NET2BIG_V2_OE_HIGH);
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/* Multi-Purpose Pins Functionality configuration */
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u32 kwmpp_config[] = {
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MPP0_SPI_SCn,
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MPP1_SPI_MOSI,
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MPP2_SPI_SCK,
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MPP3_SPI_MISO,
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MPP6_SYSRST_OUTn,
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MPP7_GPO, /* Request power-off */
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MPP8_TW_SDA,
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MPP9_TW_SCK,
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MPP10_UART0_TXD,
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MPP11_UART0_RXD,
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MPP13_GPIO, /* Rear power switch (on|auto) */
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MPP14_GPIO, /* USB fuse alarm */
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MPP15_GPIO, /* Rear power switch (auto|off) */
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MPP16_GPIO, /* SATA HDD1 power */
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MPP17_GPIO, /* SATA HDD2 power */
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MPP20_SATA1_ACTn,
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MPP21_SATA0_ACTn,
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MPP24_GPIO, /* USB mode select */
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MPP26_GPIO, /* USB device vbus */
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MPP28_GPIO, /* USB enable host vbus */
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MPP29_GPIO, /* GPIO extension ALE */
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MPP34_GPIO, /* Rear Push button 0=on 1=off */
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MPP35_GPIO, /* Inhibit switch power-off */
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MPP36_GPIO, /* SATA HDD1 presence */
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MPP37_GPIO, /* SATA HDD2 presence */
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MPP40_GPIO, /* eSATA presence */
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MPP44_GPIO, /* GPIO extension (data 0) */
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MPP45_GPIO, /* GPIO extension (data 1) */
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MPP46_GPIO, /* GPIO extension (data 2) */
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MPP47_GPIO, /* GPIO extension (addr 0) */
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MPP48_GPIO, /* GPIO extension (addr 1) */
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MPP49_GPIO, /* GPIO extension (addr 2) */
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0
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};
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kirkwood_mpp_conf(kwmpp_config);
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return 0;
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}
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int board_init(void)
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{
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/* Machine number */
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gd->bd->bi_arch_number = MACH_TYPE_NET2BIG_V2;
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/* Boot parameters address */
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gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
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return 0;
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}
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int misc_init_r(void)
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{
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#ifdef CONFIG_CMD_I2C
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if (!getenv("ethaddr")) {
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ushort version;
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uchar mac[6];
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int ret;
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/* I2C-0 for on-board EEPROM */
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i2c_set_bus_num(0);
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/* Check layout version for EEPROM data */
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ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0,
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN,
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(uchar *) &version, 2);
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if (ret != 0) {
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printf("Error: failed to read I2C EEPROM @%02x\n",
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CONFIG_SYS_I2C_EEPROM_ADDR);
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return ret;
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}
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version = be16_to_cpu(version);
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if (version < 1 || version > 3) {
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printf("Error: unknown version %d for EEPROM data\n",
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version);
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return -1;
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}
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/* Read Ethernet MAC address from EEPROM */
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ret = i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 2,
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CONFIG_SYS_I2C_EEPROM_ADDR_LEN, mac, 6);
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if (ret != 0) {
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printf("Error: failed to read I2C EEPROM @%02x\n",
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CONFIG_SYS_I2C_EEPROM_ADDR);
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return ret;
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}
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eth_setenv_enetaddr("ethaddr", mac);
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}
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#endif /* CONFIG_CMD_I2C */
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return 0;
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}
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void mv_phy_88e1116_init(char *name)
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{
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u16 reg;
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u16 devadr;
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if (miiphy_set_current_dev(name))
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return;
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/* command to read PHY dev address */
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if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
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printf("Err..(%s) could not read PHY dev address\n", __func__);
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return;
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}
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/*
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* Enable RGMII delay on Tx and Rx for CPU port
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* Ref: sec 4.7.2 of chip datasheet
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*/
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
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miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
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reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
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miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
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/* reset the phy */
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if (miiphy_read(name, devadr, MII_BMCR, ®) != 0) {
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printf("Err..(%s) PHY status read failed\n", __func__);
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return;
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}
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if (miiphy_write(name, devadr, MII_BMCR, reg | 0x8000) != 0) {
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printf("Err..(%s) PHY reset failed\n", __func__);
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return;
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}
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debug("88E1116 Initialized on %s\n", name);
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}
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/* Configure and initialize PHY */
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void reset_phy(void)
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{
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mv_phy_88e1116_init("egiga0");
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}
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/* Return GPIO push button status */
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static int
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do_read_push_button(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return !kw_gpio_get_value(NET2BIG_V2_GPIO_PUSH_BUTTON);
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}
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U_BOOT_CMD(button, 1, 1, do_read_push_button,
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"Return GPIO push button status 0=off 1=on", "");
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