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