common.c 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
  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. #include <common.h>
  8. #include <malloc.h>
  9. #include <asm/bootm.h>
  10. #include <asm/gpio.h>
  11. #include <asm/setup.h>
  12. #include "common.h"
  13. #include "eeprom.h"
  14. void cl_print_pcb_info(void)
  15. {
  16. u32 board_rev = get_board_rev();
  17. u32 rev_major = board_rev / 100;
  18. u32 rev_minor = board_rev - (rev_major * 100);
  19. if ((rev_minor / 10) * 10 == rev_minor)
  20. rev_minor = rev_minor / 10;
  21. printf("PCB: %u.%u\n", rev_major, rev_minor);
  22. }
  23. #ifdef CONFIG_SERIAL_TAG
  24. void __weak get_board_serial(struct tag_serialnr *serialnr)
  25. {
  26. /*
  27. * This corresponds to what happens when we can communicate with the
  28. * eeprom but don't get a valid board serial value.
  29. */
  30. serialnr->low = 0;
  31. serialnr->high = 0;
  32. };
  33. #endif
  34. #ifdef CONFIG_CMD_USB
  35. int cl_usb_hub_init(int gpio, const char *label)
  36. {
  37. if (gpio_request(gpio, label)) {
  38. printf("Error: can't obtain GPIO%d for %s", gpio, label);
  39. return -1;
  40. }
  41. gpio_direction_output(gpio, 0);
  42. udelay(10);
  43. gpio_set_value(gpio, 1);
  44. udelay(1000);
  45. return 0;
  46. }
  47. void cl_usb_hub_deinit(int gpio)
  48. {
  49. gpio_free(gpio);
  50. }
  51. #endif