u-boot.h 2.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869
  1. /*
  2. * (C) Copyright 2000 - 2003
  3. * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License as
  7. * published by the Free Software Foundation; either version 2 of
  8. * the License, or (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18. * MA 02111-1307 USA
  19. */
  20. #ifndef __U_BOOT_H__
  21. #define __U_BOOT_H__
  22. /*
  23. * Board information passed to Linux kernel from U-Boot
  24. *
  25. * include/asm-ppc/u-boot.h
  26. */
  27. #ifndef __ASSEMBLY__
  28. #include <linux/types.h>
  29. typedef struct bd_info {
  30. unsigned long bi_memstart; /* start of DRAM memory */
  31. unsigned long bi_memsize; /* size of DRAM memory in bytes */
  32. unsigned long bi_flashstart; /* start of FLASH memory */
  33. unsigned long bi_flashsize; /* size of FLASH memory */
  34. unsigned long bi_flashoffset; /* reserved area for startup monitor */
  35. unsigned long bi_sramstart; /* start of SRAM memory */
  36. unsigned long bi_sramsize; /* size of SRAM memory */
  37. unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */
  38. unsigned long bi_boot_params; /* where this board expects params */
  39. unsigned long bi_ip_addr; /* IP Address */
  40. unsigned char bi_enetaddr[6]; /* Ethernet adress */
  41. unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
  42. unsigned long bi_intfreq; /* Internal Freq, in MHz */
  43. unsigned long bi_busfreq; /* Bus Freq, in MHz */
  44. unsigned long bi_baudrate; /* Console Baudrate */
  45. } bd_t;
  46. #endif /* __ASSEMBLY__ */
  47. /* The following data structure is placed in DPRAM to allow for a
  48. * minimum set of global variables during system initialization
  49. * (until we have set up the memory controller so that we can use
  50. * RAM).
  51. *
  52. * Keep it *SMALL* and remember to set CFG_INIT_DATA_SIZE > sizeof(init_data_t)
  53. */
  54. typedef struct init_data {
  55. unsigned long cpu_clk; /* VCOOUT = CPU clock in Hz! */
  56. unsigned long env_addr; /* Address of Environment struct */
  57. unsigned long env_valid; /* Checksum of Environment valid? */
  58. unsigned long relocated; /* Relocat. offset when running in RAM */
  59. unsigned long have_console; /* serial_init() was called */
  60. #ifdef CONFIG_LCD
  61. unsigned long lcd_base; /* Base address of LCD frambuffer mem */
  62. #endif
  63. } init_data_t;
  64. #endif /* __U_BOOT_H__ */