cuboot.c 795 B

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * Compatibility for old (not device tree aware) U-Boot versions
  4. *
  5. * Author: Scott Wood <[email protected]>
  6. * Consolidated using macros by David Gibson <[email protected]>
  7. *
  8. * Copyright 2007 David Gibson, IBM Corporation.
  9. * Copyright (c) 2007 Freescale Semiconductor, Inc.
  10. */
  11. #include "ops.h"
  12. #include "stdio.h"
  13. #include "ppcboot.h"
  14. void cuboot_init(unsigned long r4, unsigned long r5,
  15. unsigned long r6, unsigned long r7,
  16. unsigned long end_of_ram)
  17. {
  18. unsigned long avail_ram = end_of_ram - (unsigned long)_end;
  19. loader_info.initrd_addr = r4;
  20. loader_info.initrd_size = r4 ? r5 - r4 : 0;
  21. loader_info.cmdline = (char *)r6;
  22. loader_info.cmdline_len = r7 - r6;
  23. simple_alloc_init(_end, avail_ram - 1024*1024, 32, 64);
  24. }