vexpress.S 1.3 KB

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  1. /* arch/arm/mach-realview/include/mach/debug-macro.S
  2. *
  3. * Debugging macro include header
  4. *
  5. * Copyright (C) 1994-1999 Russell King
  6. * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. */
  12. #define DEBUG_LL_PHYS_BASE 0x10000000
  13. #define DEBUG_LL_UART_OFFSET 0x00009000
  14. #define DEBUG_LL_PHYS_BASE_RS1 0x1c000000
  15. #define DEBUG_LL_UART_OFFSET_RS1 0x00090000
  16. #define DEBUG_LL_UART_PHYS_CRX 0xb0090000
  17. #define DEBUG_LL_VIRT_BASE 0xf8000000
  18. #if defined(CONFIG_DEBUG_VEXPRESS_UART0_DETECT)
  19. .macro addruart,rp,rv,tmp
  20. .arch armv7-a
  21. @ Make an educated guess regarding the memory map:
  22. @ - the original A9 core tile (based on ARM Cortex-A9 r0p1)
  23. @ should use UART at 0x10009000
  24. @ - all other (RS1 complaint) tiles use UART mapped
  25. @ at 0x1c090000
  26. mrc p15, 0, \rp, c0, c0, 0
  27. movw \rv, #0xc091
  28. movt \rv, #0x410f
  29. cmp \rp, \rv
  30. @ Original memory map
  31. moveq \rp, #DEBUG_LL_UART_OFFSET
  32. orreq \rv, \rp, #DEBUG_LL_VIRT_BASE
  33. orreq \rp, \rp, #DEBUG_LL_PHYS_BASE
  34. @ RS1 memory map
  35. movne \rp, #DEBUG_LL_UART_OFFSET_RS1
  36. orrne \rv, \rp, #DEBUG_LL_VIRT_BASE
  37. orrne \rp, \rp, #DEBUG_LL_PHYS_BASE_RS1
  38. .endm
  39. #include <debug/pl01x.S>
  40. #endif