mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-08 14:14:32 +00:00
9de0f144c7
The DM DWMAC driver is perfectly capable of configuring the ethernet PHY reset GPIO, let the driver do it instead of doing it in the board file. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Siew Chin Lim <elly.siew.chin.lim@intel.com> Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tien Fong Chee <tien.fong.chee@intel.com>
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2012 Altera Corporation <www.altera.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <eeprom.h>
|
|
#include <env.h>
|
|
#include <init.h>
|
|
#include <net.h>
|
|
#include <status_led.h>
|
|
#include <asm/arch/reset_manager.h>
|
|
#include <asm/global_data.h>
|
|
#include <asm/io.h>
|
|
#include <asm/gpio.h>
|
|
#include <i2c.h>
|
|
#include <linux/delay.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
/*
|
|
* Miscellaneous platform dependent initialisations
|
|
*/
|
|
int board_late_init(void)
|
|
{
|
|
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(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 address 0x50 (at bus CONFIG_SYS_EEPROM_BUS_NUM). */
|
|
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]);
|
|
if (!env_get("eth1addr") && is_valid_ethaddr(&data[0x6a]))
|
|
eth_env_set_enetaddr("eth1addr", &data[0x6a]);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|