1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
4 *
5 * Authors: Igor Grinberg <grinberg@compulab.co.il>
6 */
7
8 #include <malloc.h>
9 #include <asm/bootm.h>
10 #include <asm/gpio.h>
11 #include <asm/setup.h>
12 #include <linux/delay.h>
13
14 #include "common.h"
15 #include "eeprom.h"
16
cl_print_pcb_info(void)17 void cl_print_pcb_info(void)
18 {
19 u32 board_rev = get_board_rev();
20 u32 rev_major = board_rev / 100;
21 u32 rev_minor = board_rev - (rev_major * 100);
22
23 if ((rev_minor / 10) * 10 == rev_minor)
24 rev_minor = rev_minor / 10;
25
26 printf("PCB: %u.%u\n", rev_major, rev_minor);
27 }
28
29 #ifdef CONFIG_SERIAL_TAG
get_board_serial(struct tag_serialnr * serialnr)30 void __weak get_board_serial(struct tag_serialnr *serialnr)
31 {
32 /*
33 * This corresponds to what happens when we can communicate with the
34 * eeprom but don't get a valid board serial value.
35 */
36 serialnr->low = 0;
37 serialnr->high = 0;
38 };
39 #endif
40
41 #ifdef CONFIG_CMD_USB
cl_usb_hub_init(int gpio,const char * label)42 int cl_usb_hub_init(int gpio, const char *label)
43 {
44 if (gpio_request(gpio, label)) {
45 printf("Error: can't obtain GPIO%d for %s", gpio, label);
46 return -1;
47 }
48
49 gpio_direction_output(gpio, 0);
50 udelay(10);
51 gpio_set_value(gpio, 1);
52 udelay(1000);
53 return 0;
54 }
55
cl_usb_hub_deinit(int gpio)56 void cl_usb_hub_deinit(int gpio)
57 {
58 gpio_free(gpio);
59 }
60 #endif
61