cuboot-85xx-cpm2.c 1.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Old U-boot compatibility for 85xx
  4. *
  5. * Author: Scott Wood <scottwood@freescale.com>
  6. *
  7. * Copyright (c) 2007 Freescale Semiconductor, Inc.
  8. */
  9. #include "ops.h"
  10. #include "stdio.h"
  11. #include "cuboot.h"
  12. #define TARGET_85xx
  13. #define TARGET_CPM2
  14. #include "ppcboot.h"
  15. static bd_t bd;
  16. static void platform_fixups(void)
  17. {
  18. void *devp;
  19. dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  20. dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  21. dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  22. dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
  23. dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
  24. /* Unfortunately, the specific model number is encoded in the
  25. * soc node name in existing dts files -- once that is fixed,
  26. * this can do a simple path lookup.
  27. */
  28. devp = find_node_by_devtype(NULL, "soc");
  29. if (devp) {
  30. void *serial = NULL;
  31. setprop(devp, "bus-frequency", &bd.bi_busfreq,
  32. sizeof(bd.bi_busfreq));
  33. while ((serial = find_node_by_devtype(serial, "serial"))) {
  34. if (get_parent(serial) != devp)
  35. continue;
  36. setprop(serial, "clock-frequency", &bd.bi_busfreq,
  37. sizeof(bd.bi_busfreq));
  38. }
  39. }
  40. devp = find_node_by_compatible(NULL, "fsl,cpm2-brg");
  41. if (devp)
  42. setprop(devp, "clock-frequency", &bd.bi_brgfreq,
  43. sizeof(bd.bi_brgfreq));
  44. }
  45. void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  46. unsigned long r6, unsigned long r7)
  47. {
  48. CUBOOT_INIT();
  49. fdt_init(_dtb_start);
  50. serial_console_init();
  51. platform_ops.fixups = platform_fixups;
  52. }