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arm-trusted-firmware
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arm-trusted-fir...
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plat
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allwinner
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common
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plat_helpers.S

plat_helpers.S 1.0 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
    3. 

  3.  *
    4. 

  4.  * SPDX-License-Identifier: BSD-3-Clause
    5. 

  5.  */
    6. 

  6. 

  7. #include <arch.h>
    8. 

  8. #include <asm_macros.S>
    9. 

  9. #include <sunxi_def.h>
    10. 

  10. #include <sunxi_mmap.h>
    11. 

  11. 

  12. 	.globl	plat_crash_console_init
    13. 

  13. 	.globl	plat_crash_console_putc
    14. 

  14. 	.globl	plat_crash_console_flush
    15. 

  15. 	.globl	plat_my_core_pos
    16. 

  16. 	.globl	platform_mem_init
    17. 

  17. 	.globl	plat_report_exception
    18. 

  18. 

  19. func plat_crash_console_init
    20. 

  20. 	mov_imm x0, SUNXI_UART0_BASE
    21. 

  21. 	mov_imm x1, SUNXI_UART0_CLK_IN_HZ
    22. 

  22. 	mov_imm x2, SUNXI_UART0_BAUDRATE
    23. 

  23. 	b	console_16550_core_init
    24. 

  24. endfunc plat_crash_console_init
    25. 

  25. 

  26. func plat_crash_console_putc
    27. 

  27. 	mov_imm x1, SUNXI_UART0_BASE
    28. 

  28. 	b	console_16550_core_putc
    29. 

  29. endfunc plat_crash_console_putc
    30. 

  30. 

  31. func plat_crash_console_flush
    32. 

  32. 	ret
    33. 

  33. endfunc plat_crash_console_flush
    34. 

  34. 

  35. func plat_my_core_pos
    36. 

  36. 	mrs	x0, mpidr_el1
    37. 

  37. 	and	x1, x0, #MPIDR_CLUSTER_MASK
    38. 

  38. 	and	x0, x0, #MPIDR_CPU_MASK
    39. 

  39. 	add	x0, x0, x1, LSR #6
    40. 

  40. 	ret
    41. 

  41. endfunc plat_my_core_pos
    42. 

  42. 

  43. func platform_mem_init
    44. 

  44. 	ret
    45. 

  45. endfunc platform_mem_init
    46. 

  46. 

  47. func plat_report_exception
    48. 

  48. 	ret
    49. 

  49. endfunc plat_report_exception
    50.