cuboot-85xx.c 1.5 KB

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  1. /*
  2. * Old U-boot compatibility for 85xx
  3. *
  4. * Author: Scott Wood <scottwood@freescale.com>
  5. *
  6. * Copyright (c) 2007 Freescale Semiconductor, Inc.
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License version 2 as published
  10. * by the Free Software Foundation.
  11. */
  12. #include "ops.h"
  13. #include "stdio.h"
  14. #include "cuboot.h"
  15. #define TARGET_85xx
  16. #include "ppcboot.h"
  17. static bd_t bd;
  18. static void platform_fixups(void)
  19. {
  20. void *soc;
  21. dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  22. dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  23. dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  24. dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
  25. dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
  26. /* Unfortunately, the specific model number is encoded in the
  27. * soc node name in existing dts files -- once that is fixed,
  28. * this can do a simple path lookup.
  29. */
  30. soc = find_node_by_devtype(NULL, "soc");
  31. if (soc) {
  32. void *serial = NULL;
  33. setprop(soc, "bus-frequency", &bd.bi_busfreq,
  34. sizeof(bd.bi_busfreq));
  35. while ((serial = find_node_by_devtype(serial, "serial"))) {
  36. if (get_parent(serial) != soc)
  37. continue;
  38. setprop(serial, "clock-frequency", &bd.bi_busfreq,
  39. sizeof(bd.bi_busfreq));
  40. }
  41. }
  42. }
  43. void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  44. unsigned long r6, unsigned long r7)
  45. {
  46. CUBOOT_INIT();
  47. fdt_init(_dtb_start);
  48. serial_console_init();
  49. platform_ops.fixups = platform_fixups;
  50. }