ip32-memory.c 1.1 KB

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  1. /*
  2. * This file is subject to the terms and conditions of the GNU General Public
  3. * License. See the file "COPYING" in the main directory of this archive
  4. * for more details.
  5. *
  6. * Copyright (C) 2003 Keith M Wesolowski
  7. * Copyright (C) 2005 Ilya A. Volynets (Total Knowledge)
  8. */
  9. #include <linux/types.h>
  10. #include <linux/init.h>
  11. #include <linux/kernel.h>
  12. #include <linux/memblock.h>
  13. #include <linux/mm.h>
  14. #include <asm/ip32/crime.h>
  15. #include <asm/bootinfo.h>
  16. #include <asm/page.h>
  17. extern void crime_init(void);
  18. void __init prom_meminit(void)
  19. {
  20. u64 base, size;
  21. int bank;
  22. crime_init();
  23. for (bank=0; bank < CRIME_MAXBANKS; bank++) {
  24. u64 bankctl = crime->bank_ctrl[bank];
  25. base = (bankctl & CRIME_MEM_BANK_CONTROL_ADDR) << 25;
  26. if (bank != 0 && base == 0)
  27. continue;
  28. size = (bankctl & CRIME_MEM_BANK_CONTROL_SDRAM_SIZE) ? 128 : 32;
  29. size <<= 20;
  30. if (base + size > (256 << 20))
  31. base += CRIME_HI_MEM_BASE;
  32. printk("CRIME MC: bank %u base 0x%016Lx size %LuMiB\n",
  33. bank, base, size >> 20);
  34. memblock_add(base, size);
  35. }
  36. }
  37. void __init prom_free_prom_memory(void)
  38. {
  39. }