exynos.S 1.3 KB

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  1. /*
  2. * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
  3. * http://www.samsung.com
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License version 2 as
  7. * published by the Free Software Foundation.
  8. */
  9. /* pull in the relevant register and map files. */
  10. #define S3C_ADDR_BASE 0xF6000000
  11. #define S3C_VA_UART S3C_ADDR_BASE + 0x01000000
  12. #define EXYNOS4_PA_UART 0x13800000
  13. #define EXYNOS5_PA_UART 0x12C00000
  14. /* note, for the boot process to work we have to keep the UART
  15. * virtual address aligned to an 1MiB boundary for the L1
  16. * mapping the head code makes. We keep the UART virtual address
  17. * aligned and add in the offset when we load the value here.
  18. */
  19. .macro addruart, rp, rv, tmp
  20. mrc p15, 0, \tmp, c0, c0, 0
  21. and \tmp, \tmp, #0xf0
  22. teq \tmp, #0xf0 @@ A15
  23. beq 100f
  24. mrc p15, 0, \tmp, c0, c0, 5
  25. and \tmp, \tmp, #0xf00
  26. teq \tmp, #0x100 @@ A15 + A7 but boot to A7
  27. 100: ldreq \rp, =EXYNOS5_PA_UART
  28. movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4
  29. ldr \rv, =S3C_VA_UART
  30. #if CONFIG_DEBUG_S3C_UART != 0
  31. add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
  32. add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)
  33. #endif
  34. .endm
  35. #define fifo_full fifo_full_s5pv210
  36. #define fifo_level fifo_level_s5pv210
  37. #include <debug/samsung.S>