global_data.h 5.9 KB

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  1. /*
  2. * (C) Copyright 2002-2010
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  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 __ASM_GBL_DATA_H
  24. #define __ASM_GBL_DATA_H
  25. #include "config.h"
  26. #include "asm/types.h"
  27. /*
  28. * The following data structure is placed in some memory wich is
  29. * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
  30. * some locked parts of the data cache) to allow for a minimum set of
  31. * global variables during system initialization (until we have set
  32. * up the memory controller so that we can use RAM).
  33. *
  34. * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
  35. */
  36. typedef struct global_data {
  37. bd_t *bd;
  38. unsigned long flags;
  39. unsigned long baudrate;
  40. unsigned long cpu_clk; /* CPU clock in Hz! */
  41. unsigned long bus_clk;
  42. #if defined(CONFIG_8xx)
  43. unsigned long brg_clk;
  44. #endif
  45. #if defined(CONFIG_CPM2)
  46. /* There are many clocks on the MPC8260 - see page 9-5 */
  47. unsigned long vco_out;
  48. unsigned long cpm_clk;
  49. unsigned long scc_clk;
  50. unsigned long brg_clk;
  51. #ifdef CONFIG_PCI
  52. unsigned long pci_clk;
  53. #endif
  54. #endif
  55. unsigned long mem_clk;
  56. #if defined(CONFIG_MPC83xx)
  57. /* There are other clocks in the MPC83XX */
  58. u32 csb_clk;
  59. #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
  60. defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
  61. u32 tsec1_clk;
  62. u32 tsec2_clk;
  63. u32 usbdr_clk;
  64. #endif
  65. #if defined (CONFIG_MPC834x)
  66. u32 usbmph_clk;
  67. #endif /* CONFIG_MPC834x */
  68. #if defined(CONFIG_MPC8315)
  69. u32 tdm_clk;
  70. #endif
  71. u32 core_clk;
  72. u32 enc_clk;
  73. u32 lbiu_clk;
  74. u32 lclk_clk;
  75. u32 pci_clk;
  76. #if defined(CONFIG_MPC8308) || defined(CONFIG_MPC831x) || \
  77. defined(CONFIG_MPC837x)
  78. u32 pciexp1_clk;
  79. u32 pciexp2_clk;
  80. #endif
  81. #if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315)
  82. u32 sata_clk;
  83. #endif
  84. #if defined(CONFIG_MPC8360)
  85. u32 mem_sec_clk;
  86. #endif /* CONFIG_MPC8360 */
  87. #endif
  88. #if defined(CONFIG_FSL_ESDHC)
  89. u32 sdhc_clk;
  90. #endif
  91. #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
  92. u32 lbc_clk;
  93. void *cpu;
  94. #endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */
  95. #if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
  96. u32 i2c1_clk;
  97. u32 i2c2_clk;
  98. #endif
  99. #if defined(CONFIG_QE)
  100. u32 qe_clk;
  101. u32 brg_clk;
  102. uint mp_alloc_base;
  103. uint mp_alloc_top;
  104. #endif /* CONFIG_QE */
  105. #if defined(CONFIG_FSL_LAW)
  106. u32 used_laws;
  107. #endif
  108. #if defined(CONFIG_E500)
  109. u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32];
  110. #endif
  111. #if defined(CONFIG_MPC5xxx)
  112. unsigned long ipb_clk;
  113. unsigned long pci_clk;
  114. #endif
  115. #if defined(CONFIG_MPC512X)
  116. u32 ips_clk;
  117. u32 csb_clk;
  118. u32 pci_clk;
  119. #endif /* CONFIG_MPC512X */
  120. #if defined(CONFIG_MPC8220)
  121. unsigned long bExtUart;
  122. unsigned long inp_clk;
  123. unsigned long pci_clk;
  124. unsigned long vco_clk;
  125. unsigned long pev_clk;
  126. unsigned long flb_clk;
  127. #endif
  128. phys_size_t ram_size; /* RAM size */
  129. unsigned long reset_status; /* reset status register at boot */
  130. #if defined(CONFIG_MPC83xx)
  131. unsigned long arbiter_event_attributes;
  132. unsigned long arbiter_event_address;
  133. #endif
  134. unsigned long env_addr; /* Address of Environment struct */
  135. unsigned long env_valid; /* Checksum of Environment valid? */
  136. unsigned long have_console; /* serial_init() was called */
  137. #if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2)
  138. unsigned int dp_alloc_base;
  139. unsigned int dp_alloc_top;
  140. #endif
  141. #if defined(CONFIG_4xx)
  142. u32 uart_clk;
  143. #endif /* CONFIG_4xx */
  144. #if defined(CONFIG_SYS_GT_6426x)
  145. unsigned int mirror_hack[16];
  146. #endif
  147. #if defined(CONFIG_A3000) || \
  148. defined(CONFIG_HIDDEN_DRAGON) || \
  149. defined(CONFIG_MUSENKI) || \
  150. defined(CONFIG_SANDPOINT)
  151. void * console_addr;
  152. #endif
  153. unsigned long relocaddr; /* Start address of U-Boot in RAM */
  154. #if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
  155. unsigned long fb_base; /* Base address of framebuffer memory */
  156. #endif
  157. #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
  158. unsigned long post_log_word; /* Record POST activities */
  159. unsigned long post_init_f_time; /* When post_init_f started */
  160. #endif
  161. #ifdef CONFIG_BOARD_TYPES
  162. unsigned long board_type;
  163. #endif
  164. #ifdef CONFIG_MODEM_SUPPORT
  165. unsigned long do_mdm_init;
  166. unsigned long be_quiet;
  167. #endif
  168. #if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5)
  169. unsigned long kbd_status;
  170. #endif
  171. #if defined(CONFIG_WD_MAX_RATE)
  172. unsigned long long wdt_last; /* trace watch-dog triggering rate */
  173. #endif
  174. void **jt; /* jump table */
  175. char env_buf[32]; /* buffer for getenv() before reloc. */
  176. } gd_t;
  177. /*
  178. * Global Data Flags
  179. */
  180. #define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
  181. #define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
  182. #define GD_FLG_SILENT 0x00004 /* Silent mode */
  183. #define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
  184. #define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
  185. #define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
  186. #define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
  187. #define GD_FLG_ENV_READY 0x00080 /* Environment imported into hash table */
  188. #if 1
  189. #define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2")
  190. #else /* We could use plain global data, but the resulting code is bigger */
  191. #define XTRN_DECLARE_GLOBAL_DATA_PTR extern
  192. #define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \
  193. gd_t *gd
  194. #endif
  195. #endif /* __ASM_GBL_DATA_H */