mvme7100.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Motload compatibility for the Emerson/Artesyn MVME7100
  4. *
  5. * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
  6. *
  7. * Author: Alessio Igor Bogani <alessio.bogani@elettra.eu>
  8. */
  9. #include "ops.h"
  10. #include "stdio.h"
  11. #include "cuboot.h"
  12. #define TARGET_86xx
  13. #define TARGET_HAS_ETH1
  14. #define TARGET_HAS_ETH2
  15. #define TARGET_HAS_ETH3
  16. #include "ppcboot.h"
  17. static bd_t bd;
  18. BSS_STACK(16384);
  19. static void mvme7100_fixups(void)
  20. {
  21. void *devp;
  22. unsigned long busfreq = bd.bi_busfreq * 1000000;
  23. dt_fixup_cpu_clocks(bd.bi_intfreq * 1000000, busfreq / 4, busfreq);
  24. devp = finddevice("/soc@f1000000");
  25. if (devp)
  26. setprop(devp, "bus-frequency", &busfreq, sizeof(busfreq));
  27. devp = finddevice("/soc/serial@4500");
  28. if (devp)
  29. setprop(devp, "clock-frequency", &busfreq, sizeof(busfreq));
  30. dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  31. dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  32. dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  33. dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
  34. dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
  35. }
  36. void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  37. unsigned long r6, unsigned long r7)
  38. {
  39. CUBOOT_INIT();
  40. fdt_init(_dtb_start);
  41. serial_console_init();
  42. platform_ops.fixups = mvme7100_fixups;
  43. }