bubinga.h 1.6 KB

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  1. /*
  2. * arch/ppc/platforms/4xx/bubinga.h
  3. *
  4. * Bubinga board definitions
  5. *
  6. * Copyright (c) 2005 DENX Software Engineering
  7. * Stefan Roese <sr@denx.de>
  8. *
  9. * Based on original work by
  10. * SAW (IBM)
  11. * 2003 (c) MontaVista Softare Inc.
  12. *
  13. * This program is free software; you can redistribute it and/or modify it
  14. * under the terms of the GNU General Public License as published by the
  15. * Free Software Foundation; either version 2 of the License, or (at your
  16. * option) any later version.
  17. *
  18. */
  19. #ifdef __KERNEL__
  20. #ifndef __BUBINGA_H__
  21. #define __BUBINGA_H__
  22. #include <linux/config.h>
  23. #include <platforms/4xx/ibm405ep.h>
  24. #include <asm/ppcboot.h>
  25. /* Memory map for the Bubinga board.
  26. * Generic 4xx plus RTC.
  27. */
  28. #define BUBINGA_RTC_PADDR ((uint)0xf0000000)
  29. #define BUBINGA_RTC_VADDR BUBINGA_RTC_PADDR
  30. #define BUBINGA_RTC_SIZE ((uint)8*1024)
  31. /* The UART clock is based off an internal clock -
  32. * define BASE_BAUD based on the internal clock and divider(s).
  33. * Since BASE_BAUD must be a constant, we will initialize it
  34. * using clock/divider values which OpenBIOS initializes
  35. * for typical configurations at various CPU speeds.
  36. * The base baud is calculated as (FWDA / EXT UART DIV / 16)
  37. */
  38. #define BASE_BAUD 0
  39. /* Flash */
  40. #define PPC40x_FPGA_BASE 0xF0300000
  41. #define PPC40x_FPGA_REG_OFFS 1 /* offset to flash map reg */
  42. #define PPC40x_FLASH_ONBD_N(x) (x & 0x02)
  43. #define PPC40x_FLASH_SRAM_SEL(x) (x & 0x01)
  44. #define PPC40x_FLASH_LOW 0xFFF00000
  45. #define PPC40x_FLASH_HIGH 0xFFF80000
  46. #define PPC40x_FLASH_SIZE 0x80000
  47. #define PPC4xx_MACHINE_NAME "IBM Bubinga"
  48. #endif /* __BUBINGA_H__ */
  49. #endif /* __KERNEL__ */