ehci-tegra.c 1.5 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
  1. /*
  2. * Copyright (c) 2009 NVIDIA Corporation
  3. *
  4. * See file CREDITS for list of people who contributed to this
  5. * project.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License as
  9. * published by the Free Software Foundation; either version 2 of
  10. * the License, or (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with this program; if not, write to the Free Software
  19. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  20. * MA 02111-1307 USA
  21. */
  22. #include <common.h>
  23. #include <usb.h>
  24. #include "ehci.h"
  25. #include "ehci-core.h"
  26. #include <asm/errno.h>
  27. #include <asm/arch/usb.h>
  28. /*
  29. * Create the appropriate control structures to manage
  30. * a new EHCI host controller.
  31. */
  32. int ehci_hcd_init(void)
  33. {
  34. u32 our_hccr, our_hcor;
  35. /*
  36. * Select the first port, as we don't have a way of selecting others
  37. * yet
  38. */
  39. if (tegrausb_start_port(0, &our_hccr, &our_hcor))
  40. return -1;
  41. hccr = (struct ehci_hccr *)our_hccr;
  42. hcor = (struct ehci_hcor *)our_hcor;
  43. return 0;
  44. }
  45. /*
  46. * Destroy the appropriate control structures corresponding
  47. * the the EHCI host controller.
  48. */
  49. int ehci_hcd_stop(void)
  50. {
  51. tegrausb_stop_port();
  52. return 0;
  53. }