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 <malloc.h>
  10#include <asm/bootm.h>
  11#include <asm/gpio.h>
  12#include <asm/setup.h>
  13#include <linux/delay.h>
  14
  15#include "common.h"
  16#include "eeprom.h"
  17
  18void cl_print_pcb_info(void)
  19{
  20        u32 board_rev = get_board_rev();
  21        u32 rev_major = board_rev / 100;
  22        u32 rev_minor = board_rev - (rev_major * 100);
  23
  24        if ((rev_minor / 10) * 10 == rev_minor)
  25                rev_minor = rev_minor / 10;
  26
  27        printf("PCB:   %u.%u\n", rev_major, rev_minor);
  28}
  29
  30#ifdef CONFIG_SERIAL_TAG
  31void __weak get_board_serial(struct tag_serialnr *serialnr)
  32{
  33        /*
  34         * This corresponds to what happens when we can communicate with the
  35         * eeprom but don't get a valid board serial value.
  36         */
  37        serialnr->low = 0;
  38        serialnr->high = 0;
  39};
  40#endif
  41
  42#ifdef CONFIG_CMD_USB
  43int cl_usb_hub_init(int gpio, const char *label)
  44{
  45        if (gpio_request(gpio, label)) {
  46                printf("Error: can't obtain GPIO%d for %s", gpio, label);
  47                return -1;
  48        }
  49
  50        gpio_direction_output(gpio, 0);
  51        udelay(10);
  52        gpio_set_value(gpio, 1);
  53        udelay(1000);
  54        return 0;
  55}
  56
  57void cl_usb_hub_deinit(int gpio)
  58{
  59        gpio_free(gpio);
  60}
  61#endif
  62