1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2012 Altera Corporation <www.altera.com>
4 */
5
6 #include <common.h>
7 #include <eeprom.h>
8 #include <env.h>
9 #include <init.h>
10 #include <status_led.h>
11 #include <asm/arch/reset_manager.h>
12 #include <asm/io.h>
13 #include <asm/gpio.h>
14 #include <i2c.h>
15
16 DECLARE_GLOBAL_DATA_PTR;
17
18 /*
19 * Miscellaneous platform dependent initialisations
20 */
board_late_init(void)21 int board_late_init(void)
22 {
23 const unsigned int phy_nrst_gpio = 0;
24 const unsigned int usb_nrst_gpio = 35;
25 int ret;
26
27 status_led_set(1, CONFIG_LED_STATUS_ON);
28 status_led_set(2, CONFIG_LED_STATUS_ON);
29
30 /* Address of boot parameters for ATAG (if ATAG is used) */
31 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
32
33 ret = gpio_request(phy_nrst_gpio, "phy_nrst_gpio");
34 if (!ret)
35 gpio_direction_output(phy_nrst_gpio, 1);
36 else
37 printf("Cannot remove PHY from reset!\n");
38
39 ret = gpio_request(usb_nrst_gpio, "usb_nrst_gpio");
40 if (!ret)
41 gpio_direction_output(usb_nrst_gpio, 1);
42 else
43 printf("Cannot remove USB from reset!\n");
44
45 mdelay(50);
46
47 return 0;
48 }
49
50 #ifndef CONFIG_SPL_BUILD
misc_init_r(void)51 int misc_init_r(void)
52 {
53 uchar data[128];
54 char str[32];
55 u32 serial;
56 int ret;
57
58 /* EEPROM is at address 0x50 (at bus CONFIG_SYS_EEPROM_BUS_NUM). */
59 ret = eeprom_read(0x50, 0, data, sizeof(data));
60 if (ret) {
61 puts("Cannot read I2C EEPROM.\n");
62 return 0;
63 }
64
65 /* Check EEPROM signature. */
66 if (!(data[0] == 0xa5 && data[1] == 0x5a)) {
67 puts("Invalid I2C EEPROM signature.\n");
68 env_set("unit_serial", "invalid");
69 env_set("unit_ident", "VINing-xxxx-STD");
70 env_set("hostname", "vining-invalid");
71 return 0;
72 }
73
74 /* If 'unit_serial' is already set, do nothing. */
75 if (!env_get("unit_serial")) {
76 /* This field is Big Endian ! */
77 serial = (data[0x54] << 24) | (data[0x55] << 16) |
78 (data[0x56] << 8) | (data[0x57] << 0);
79 memset(str, 0, sizeof(str));
80 sprintf(str, "%07i", serial);
81 env_set("unit_serial", str);
82 }
83
84 if (!env_get("unit_ident")) {
85 memset(str, 0, sizeof(str));
86 memcpy(str, &data[0x2e], 18);
87 env_set("unit_ident", str);
88 }
89
90 /* Set ethernet address from EEPROM. */
91 if (!env_get("ethaddr") && is_valid_ethaddr(&data[0x62]))
92 eth_env_set_enetaddr("ethaddr", &data[0x62]);
93 if (!env_get("eth1addr") && is_valid_ethaddr(&data[0x6a]))
94 eth_env_set_enetaddr("eth1addr", &data[0x6a]);
95
96 return 0;
97 }
98 #endif
99