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sirf.S

sirf.S 1021 B
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  1. /*
    2. 

  2.  * arch/arm/mach-prima2/include/mach/debug-macro.S
    3. 

  3.  *
    4. 

  4.  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
    5. 

  5.  *
    6. 

  6.  * Licensed under GPLv2 or later.
    7. 

  7.  */
    8. 

  8. 

  9. #if defined(CONFIG_DEBUG_SIRFPRIMA2_UART1)
    10. 

  10. #define SIRFSOC_UART1_PA_BASE          0xb0060000
    11. 

  11. #elif defined(CONFIG_DEBUG_SIRFMARCO_UART1)
    12. 

  12. #define SIRFSOC_UART1_PA_BASE          0xcc060000
    13. 

  13. #else
    14. 

  14. #define SIRFSOC_UART1_PA_BASE          0
    15. 

  15. #endif
    16. 

  16. 

  17. #define SIRFSOC_UART1_VA_BASE		0xFEC60000
    18. 

  18. 

  19. #define SIRFSOC_UART_TXFIFO_STATUS	0x0114
    20. 

  20. #define SIRFSOC_UART_TXFIFO_DATA	0x0118
    21. 

  21. 

  22. #define SIRFSOC_UART1_TXFIFO_FULL                       (1 << 5)
    23. 

  23. #define SIRFSOC_UART1_TXFIFO_EMPTY			(1 << 6)
    24. 

  24. 

  25. 	.macro	addruart, rp, rv, tmp
    26. 

  26. 	ldr	\rp, =SIRFSOC_UART1_PA_BASE		@ physical
    27. 

  27. 	ldr	\rv, =SIRFSOC_UART1_VA_BASE		@ virtual
    28. 

  28. 	.endm
    29. 

  29. 

  30. 	.macro	senduart,rd,rx
    31. 

  31. 	str	\rd, [\rx, #SIRFSOC_UART_TXFIFO_DATA]
    32. 

  32. 	.endm
    33. 

  33. 

  34. 	.macro	busyuart,rd,rx
    35. 

  35. 	.endm
    36. 

  36. 

  37. 	.macro	waituart,rd,rx
    38. 

  38. 1001:	ldr	\rd, [\rx, #SIRFSOC_UART_TXFIFO_STATUS]
    39. 

  39. 	tst	\rd, #SIRFSOC_UART1_TXFIFO_EMPTY
    40. 

  40. 	beq	1001b
    41. 

  41. 	.endm
    42. 

  42.