LXR uboot/board/compulab/common/common.c

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