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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2012 Altera Corporation <www.altera.com>
*/
#include <common.h>
#include <environment.h>
#include <asm/arch/reset_manager.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <i2c.h>
DECLARE_GLOBAL_DATA_PTR;
/*
* Miscellaneous platform dependent initialisations
*/
int board_late_init(void)
{
const unsigned int phy_nrst_gpio = 0;
const unsigned int usb_nrst_gpio = 35;
int ret;
status_led_set(1, CONFIG_LED_STATUS_ON);
status_led_set(2, CONFIG_LED_STATUS_ON);
/* Address of boot parameters for ATAG (if ATAG is used) */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
ret = gpio_request(phy_nrst_gpio, "phy_nrst_gpio");
if (!ret)
gpio_direction_output(phy_nrst_gpio, 1);
else
printf("Cannot remove PHY from reset!\n");
ret = gpio_request(usb_nrst_gpio, "usb_nrst_gpio");
if (!ret)
gpio_direction_output(usb_nrst_gpio, 1);
else
printf("Cannot remove USB from reset!\n");
mdelay(50);
return 0;
}
#ifndef CONFIG_SPL_BUILD
int misc_init_r(void)
{
uchar data[128];
char str[32];
u32 serial;
int ret;
/* EEPROM is at bus 0. */
ret = i2c_set_bus_num(0);
if (ret) {
puts("Cannot select EEPROM I2C bus.\n");
return 0;
}
/* EEPROM is at address 0x50. */
ret = eeprom_read(0x50, 0, data, sizeof(data));
if (ret) {
puts("Cannot read I2C EEPROM.\n");
return 0;
}
/* Check EEPROM signature. */
if (!(data[0] == 0xa5 && data[1] == 0x5a)) {
puts("Invalid I2C EEPROM signature.\n");
env_set("unit_serial", "invalid");
env_set("unit_ident", "VINing-xxxx-STD");
env_set("hostname", "vining-invalid");
return 0;
}
/* If 'unit_serial' is already set, do nothing. */
if (!env_get("unit_serial")) {
/* This field is Big Endian ! */
serial = (data[0x54] << 24) | (data[0x55] << 16) |
(data[0x56] << 8) | (data[0x57] << 0);
memset(str, 0, sizeof(str));
sprintf(str, "%07i", serial);
env_set("unit_serial", str);
}
if (!env_get("unit_ident")) {
memset(str, 0, sizeof(str));
memcpy(str, &data[0x2e], 18);
env_set("unit_ident", str);
}
/* Set ethernet address from EEPROM. */
if (!env_get("ethaddr") && is_valid_ethaddr(&data[0x62]))
eth_env_set_enetaddr("ethaddr", &data[0x62]);
return 0;
}
#endif
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