/arch/unicore32/include/asm/memblock.h

http://github.com/mirrors/linux · C Header · 43 lines · 23 code · 9 blank · 11 comment · 1 complexity · 2eb5a0704312d6b6b1e8e3dd19de9bcf MD5 · raw file 

    

  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * linux/arch/unicore32/include/asm/memblock.h
    4. 

  4.  *
    5. 

  5.  * Code specific to PKUnity SoC and UniCore ISA
    6. 

  6.  *
    7. 

  7.  * Copyright (C) 2001-2010 GUAN Xue-tao
    8. 

  8.  */
    9. 

  9. 

  10. #ifndef __UNICORE_MEMBLOCK_H__
    11. 

  11. #define __UNICORE_MEMBLOCK_H__
    12. 

  12. 

  13. /*
    14. 

  14.  * Memory map description
    15. 

  15.  */
    16. 

  16. # define NR_BANKS 8
    17. 

  17. 

  18. struct membank {
    19. 

  19. 	unsigned long start;
    20. 

  20. 	unsigned long size;
    21. 

  21. 	unsigned int highmem;
    22. 

  22. };
    23. 

  23. 

  24. struct meminfo {
    25. 

  25. 	int nr_banks;
    26. 

  26. 	struct membank bank[NR_BANKS];
    27. 

  27. };
    28. 

  28. 

  29. extern struct meminfo meminfo;
    30. 

  30. 

  31. #define for_each_bank(iter, mi)				\
    32. 

  32. 	for (iter = 0; iter < (mi)->nr_banks; iter++)
    33. 

  33. 

  34. #define bank_pfn_start(bank)	__phys_to_pfn((bank)->start)
    35. 

  35. #define bank_pfn_end(bank)	__phys_to_pfn((bank)->start + (bank)->size)
    36. 

  36. #define bank_pfn_size(bank)	((bank)->size >> PAGE_SHIFT)
    37. 

  37. #define bank_phys_start(bank)	((bank)->start)
    38. 

  38. #define bank_phys_end(bank)	((bank)->start + (bank)->size)
    39. 

  39. #define bank_phys_size(bank)	((bank)->size)
    40. 

  40. 

  41. extern void uc32_memblock_init(struct meminfo *);
    42. 

  42. 

  43. #endif
    44.