u-boot-i386.h 2.2 KB

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  1. /*
  2. * (C) Copyright 2002
  3. * Daniel Engström, Omicron Ceti AB, daniel@omicron.se.
  4. *
  5. * See file CREDITS for list of people who contributed to this
  6. * project.
  7. *
  8. * This program is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU General Public License as
  10. * published by the Free Software Foundation; either version 2 of
  11. * the License, or (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21. * MA 02111-1307 USA
  22. */
  23. #ifndef _U_BOOT_I386_H_
  24. #define _U_BOOT_I386_H_ 1
  25. /* for the following variables, see start.S */
  26. extern ulong i386boot_start; /* code start (in flash) */
  27. extern ulong i386boot_end; /* code end (in flash) */
  28. extern ulong i386boot_romdata_start;/* datasegment in flash (also code+rodata end) */
  29. extern ulong i386boot_romdata_dest; /* data location segment in ram */
  30. extern ulong i386boot_romdata_size; /* size of data segment */
  31. extern ulong i386boot_bss_start; /* bss start */
  32. extern ulong i386boot_bss_size; /* bss size */
  33. extern ulong i386boot_stack_end; /* first usable RAM address after bss and stack */
  34. extern ulong i386boot_ram_end; /* end of ram */
  35. extern ulong i386boot_realmode; /* start of realmode entry code */
  36. extern ulong i386boot_realmode_size;/* size of realmode entry code */
  37. extern ulong i386boot_bios; /* start of BIOS emulation code */
  38. extern ulong i386boot_bios_size; /* size of BIOS emulation code */
  39. /* cpu/.../cpu.c */
  40. int cpu_init(void);
  41. int timer_init(void);
  42. /* cpu/.../interrupts.c */
  43. int cpu_init_interrupts(void);
  44. /* cpu/.../exceptions.c */
  45. int cpu_init_exceptions(void);
  46. /* board/.../... */
  47. int board_init(void);
  48. int dram_init(void);
  49. void isa_unmap_rom(u32 addr);
  50. u32 isa_map_rom(u32 bus_addr, int size);
  51. /* lib_i386/... */
  52. int video_bios_init(void);
  53. int video_init(void);
  54. #endif /* _U_BOOT_I386_H_ */