ehci-ppc4xx.c 1.4 KB

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  1. /*
  2. * (C) Copyright 2010, Chris Zhang <chris@seamicro.com>
  3. *
  4. * Author: Chris Zhang <chris@seamicro.com>
  5. * This code is based on ehci freescale driver
  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. /*
  26. * Create the appropriate control structures to manage
  27. * a new EHCI host controller.
  28. */
  29. int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
  30. {
  31. *hccr = (struct ehci_hccr *)(CONFIG_SYS_PPC4XX_USB_ADDR);
  32. *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
  33. HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
  34. return 0;
  35. }
  36. /*
  37. * Destroy the appropriate control structures corresponding
  38. * the the EHCI host controller.
  39. */
  40. int ehci_hcd_stop(int index)
  41. {
  42. return 0;
  43. }