Home Esplora Aiuto
Registrati Accedi
phyus
/
linux-vybrid_public
8
0
Forka 0
File Problemi 0 Pull Requests 0 Wiki
Albero (Tree): aa93466bdf
Rami (Branch) Tag
linux-vybrid_pu...
/
include
/
asm-sh64
/
platform.h

platform.h 2.0 KB
Cronologia Originale

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869 
  1. #ifndef __ASM_SH64_PLATFORM_H
    2. 

  2. #define __ASM_SH64_PLATFORM_H
    3. 

  3. 

  4. /*
    5. 

  5.  * This file is subject to the terms and conditions of the GNU General Public
    6. 

  6.  * License.  See the file "COPYING" in the main directory of this archive
    7. 

  7.  * for more details.
    8. 

  8.  *
    9. 

  9.  * include/asm-sh64/platform.h
    10. 

  10.  *
    11. 

  11.  * Copyright (C) 2000, 2001  Paolo Alberelli
    12. 

  12.  *
    13. 

  13.  * benedict.gaster@superh.com:	 3rd May 2002
    14. 

  14.  *    Added support for ramdisk, removing statically linked romfs at the same time.
    15. 

  15.  */
    16. 

  16. 

  17. #include <linux/ioport.h>
    18. 

  18. #include <asm/irq.h>
    19. 

  19. 

  20. 

  21. /*
    22. 

  22.  * Platform definition structure.
    23. 

  23.  */
    24. 

  24. struct sh64_platform {
    25. 

  25. 	unsigned int readonly_rootfs;
    26. 

  26. 	unsigned int ramdisk_flags;
    27. 

  27. 	unsigned int initial_root_dev;
    28. 

  28. 	unsigned int loader_type;
    29. 

  29. 	unsigned int initrd_start;
    30. 

  30. 	unsigned int initrd_size;
    31. 

  31. 	unsigned int fpu_flags;
    32. 

  32. 	unsigned int io_res_count;
    33. 

  33. 	unsigned int kram_res_count;
    34. 

  34. 	unsigned int xram_res_count;
    35. 

  35. 	unsigned int rom_res_count;
    36. 

  36. 	struct resource *io_res_p;
    37. 

  37. 	struct resource *kram_res_p;
    38. 

  38. 	struct resource *xram_res_p;
    39. 

  39. 	struct resource *rom_res_p;
    40. 

  40. };
    41. 

  41. 

  42. extern struct sh64_platform platform_parms;
    43. 

  43. 

  44. extern unsigned long long memory_start, memory_end;
    45. 

  45. 

  46. extern unsigned long long fpu_in_use;
    47. 

  47. 

  48. extern int platform_int_priority[NR_INTC_IRQS];
    49. 

  49. 

  50. #define FPU_FLAGS		(platform_parms.fpu_flags)
    51. 

  51. #define STANDARD_IO_RESOURCES	(platform_parms.io_res_count)
    52. 

  52. #define STANDARD_KRAM_RESOURCES	(platform_parms.kram_res_count)
    53. 

  53. #define STANDARD_XRAM_RESOURCES	(platform_parms.xram_res_count)
    54. 

  54. #define STANDARD_ROM_RESOURCES	(platform_parms.rom_res_count)
    55. 

  55. 

  56. /*
    57. 

  57.  * Kernel Memory description, Respectively:
    58. 

  58.  * code = last but one memory descriptor
    59. 

  59.  * data = last memory descriptor
    60. 

  60.  */
    61. 

  61. #define code_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 2])
    62. 

  62. #define data_resource (platform_parms.kram_res_p[STANDARD_KRAM_RESOURCES - 1])
    63. 

  63. 

  64. /* Be prepared to 64-bit sign extensions */
    65. 

  65. #define PFN_UP(x)       ((((x) + PAGE_SIZE-1) >> PAGE_SHIFT) & 0x000fffff)
    66. 

  66. #define PFN_DOWN(x)     (((x) >> PAGE_SHIFT) & 0x000fffff)
    67. 

  67. #define PFN_PHYS(x)     ((x) << PAGE_SHIFT)
    68. 

  68. 

  69. #endif	/* __ASM_SH64_PLATFORM_H */
    70.