api_public.h 4.2 KB

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  1. /*
  2. * (C) Copyright 2007-2008 Semihalf
  3. *
  4. * Written by: Rafal Jaworowski <raj@semihalf.com>
  5. *
  6. * This file is dual licensed; you can use it under the terms of
  7. * either the GPL, or the BSD license, at your option.
  8. *
  9. * I. GPL:
  10. *
  11. * This file is free software; you can redistribute it and/or
  12. * modify it under the terms of the GNU General Public License as
  13. * published by the Free Software Foundation; either version 2 of
  14. * the License, or (at your option) any later version.
  15. *
  16. * This file is distributed in the hope that it will be useful,
  17. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19. * GNU General Public License for more details.
  20. *
  21. * You should have received a copy of the GNU General Public License
  22. * along with this program; if not, write to the Free Software
  23. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  24. * MA 02111-1307 USA
  25. *
  26. * Alternatively,
  27. *
  28. * II. BSD license:
  29. *
  30. * Redistribution and use in source and binary forms, with or without
  31. * modification, are permitted provided that the following conditions
  32. * are met:
  33. * 1. Redistributions of source code must retain the above copyright
  34. * notice, this list of conditions and the following disclaimer.
  35. * 2. Redistributions in binary form must reproduce the above copyright
  36. * notice, this list of conditions and the following disclaimer in the
  37. * documentation and/or other materials provided with the distribution.
  38. *
  39. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  40. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  42. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  43. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  44. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  45. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  46. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  47. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  48. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  49. * SUCH DAMAGE.
  50. */
  51. #ifndef _API_PUBLIC_H_
  52. #define _API_PUBLIC_H_
  53. #define API_EINVAL 1 /* invalid argument(s) */
  54. #define API_ENODEV 2 /* no device */
  55. #define API_ENOMEM 3 /* no memory */
  56. #define API_EBUSY 4 /* busy, occupied etc. */
  57. #define API_EIO 5 /* I/O error */
  58. #define API_ESYSC 6 /* syscall error */
  59. typedef int (*scp_t)(int, int *, ...);
  60. #define API_SIG_VERSION 1
  61. #define API_SIG_MAGIC "UBootAPI"
  62. #define API_SIG_MAGLEN 8
  63. struct api_signature {
  64. char magic[API_SIG_MAGLEN]; /* magic string */
  65. uint16_t version; /* API version */
  66. uint32_t checksum; /* checksum of this sig struct */
  67. scp_t syscall; /* entry point to the API */
  68. };
  69. enum {
  70. API_RSVD = 0,
  71. API_GETC,
  72. API_PUTC,
  73. API_TSTC,
  74. API_PUTS,
  75. API_RESET,
  76. API_GET_SYS_INFO,
  77. API_UDELAY,
  78. API_GET_TIMER,
  79. API_DEV_ENUM,
  80. API_DEV_OPEN,
  81. API_DEV_CLOSE,
  82. API_DEV_READ,
  83. API_DEV_WRITE,
  84. API_ENV_ENUM,
  85. API_ENV_GET,
  86. API_ENV_SET,
  87. API_MAXCALL
  88. };
  89. #define MR_ATTR_FLASH 0x0001
  90. #define MR_ATTR_DRAM 0x0002
  91. #define MR_ATTR_SRAM 0x0003
  92. struct mem_region {
  93. unsigned long start;
  94. unsigned long size;
  95. int flags;
  96. };
  97. struct sys_info {
  98. unsigned long clk_bus;
  99. unsigned long clk_cpu;
  100. unsigned long bar;
  101. struct mem_region *mr;
  102. int mr_no; /* number of memory regions */
  103. };
  104. #undef CONFIG_SYS_64BIT_LBA
  105. #ifdef CONFIG_SYS_64BIT_LBA
  106. typedef u_int64_t lbasize_t;
  107. #else
  108. typedef unsigned long lbasize_t;
  109. #endif
  110. typedef unsigned long lbastart_t;
  111. #define DEV_TYP_NONE 0x0000
  112. #define DEV_TYP_NET 0x0001
  113. #define DEV_TYP_STOR 0x0002
  114. #define DT_STOR_IDE 0x0010
  115. #define DT_STOR_SCSI 0x0020
  116. #define DT_STOR_USB 0x0040
  117. #define DT_STOR_MMC 0x0080
  118. #define DT_STOR_SATA 0x0100
  119. #define DEV_STA_CLOSED 0x0000 /* invalid, closed */
  120. #define DEV_STA_OPEN 0x0001 /* open i.e. active */
  121. struct device_info {
  122. int type;
  123. void *cookie;
  124. union {
  125. struct {
  126. lbasize_t block_count; /* no of blocks */
  127. unsigned long block_size; /* size of one block */
  128. } storage;
  129. struct {
  130. unsigned char hwaddr[6];
  131. } net;
  132. } info;
  133. #define di_stor info.storage
  134. #define di_net info.net
  135. int state;
  136. };
  137. #endif /* _API_PUBLIC_H_ */