fdt.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. /*
  3. * Copyright 2008, 2011 Freescale Semiconductor, Inc.
  4. */
  5. #include <common.h>
  6. #include <linux/libfdt.h>
  7. #include <fdt_support.h>
  8. #include <asm/mp.h>
  9. DECLARE_GLOBAL_DATA_PTR;
  10. extern void ft_fixup_num_cores(void *blob);
  11. extern void ft_srio_setup(void *blob);
  12. void ft_cpu_setup(void *blob, struct bd_info *bd)
  13. {
  14. #ifdef CONFIG_MP
  15. int off;
  16. u32 bootpg = determine_mp_bootpg(NULL);
  17. #endif
  18. do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  19. "timebase-frequency", bd->bi_busfreq / 4, 1);
  20. do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  21. "bus-frequency", bd->bi_busfreq, 1);
  22. do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  23. "clock-frequency", bd->bi_intfreq, 1);
  24. do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
  25. "bus-frequency", bd->bi_busfreq, 1);
  26. fdt_fixup_memory(blob, (u64)gd->ram_base, (u64)gd->ram_size);
  27. #ifdef CONFIG_SYS_NS16550
  28. do_fixup_by_compat_u32(blob, "ns16550",
  29. "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  30. #endif
  31. #ifdef CONFIG_MP
  32. /* Reserve the boot page so OSes dont use it */
  33. off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
  34. if (off < 0)
  35. printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
  36. ft_fixup_num_cores(blob);
  37. #endif
  38. #ifdef CONFIG_SYS_SRIO
  39. ft_srio_setup(blob);
  40. #endif
  41. }