map-base.h 1.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * Copyright 2003, 2007 Simtec Electronics
  4. * http://armlinux.simtec.co.uk/
  5. * Ben Dooks <[email protected]>
  6. *
  7. * S3C - Memory map definitions (virtual addresses)
  8. */
  9. #ifndef __ASM_PLAT_MAP_H
  10. #define __ASM_PLAT_MAP_H __FILE__
  11. /* Fit all our registers in at 0xF6000000 upwards, trying to use as
  12. * little of the VA space as possible so vmalloc and friends have a
  13. * better chance of getting memory.
  14. *
  15. * we try to ensure stuff like the IRQ registers are available for
  16. * an single MOVS instruction (ie, only 8 bits of set data)
  17. */
  18. #define S3C_ADDR_BASE 0xF6000000
  19. #ifndef __ASSEMBLY__
  20. #define S3C_ADDR(x) ((void __iomem __force *)S3C_ADDR_BASE + (x))
  21. #else
  22. #define S3C_ADDR(x) (S3C_ADDR_BASE + (x))
  23. #endif
  24. #define S3C_VA_IRQ S3C_ADDR(0x00000000) /* irq controller(s) */
  25. #define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */
  26. #define S3C_VA_MEM S3C_ADDR(0x00200000) /* memory control */
  27. #define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */
  28. #define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */
  29. #define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */
  30. /* ISA device mapping for BAST to use with inb()/outb() on 8-bit I/O.
  31. * 16-bit I/O on BAST now requires driver modifications to manually
  32. * ioremap CS3.
  33. */
  34. #define S3C24XX_VA_ISA_BYTE PCI_IOBASE
  35. /* This is used for the CPU specific mappings that may be needed, so that
  36. * they do not need to directly used S3C_ADDR() and thus make it easier to
  37. * modify the space for mapping.
  38. */
  39. #define S3C_ADDR_CPU(x) S3C_ADDR(0x00500000 + (x))
  40. #endif /* __ASM_PLAT_MAP_H */