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arch
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m68k
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coldfire
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dma.c

dma.c 1004 B
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  1. // SPDX-License-Identifier: GPL-2.0
    2. 

  2. /***************************************************************************/
    3. 

  3. 

  4. /*
    5. 

  5.  *	dma.c -- Freescale ColdFire DMA support
    6. 

  6.  *
    7. 

  7.  *	Copyright (C) 2007, Greg Ungerer (gerg@snapgear.com)
    8. 

  8.  */
    9. 

  9. 

  10. /***************************************************************************/
    11. 

  11. 

  12. #include <linux/kernel.h>
    13. 

  13. #include <linux/module.h>
    14. 

  14. #include <asm/dma.h>
    15. 

  15. #include <asm/coldfire.h>
    16. 

  16. #include <asm/mcfsim.h>
    17. 

  17. #include <asm/mcfdma.h>
    18. 

  18. 

  19. /***************************************************************************/
    20. 

  20. 

  21. /*
    22. 

  22.  *      DMA channel base address table.
    23. 

  23.  */
    24. 

  24. unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
    25. 

  25. #ifdef MCFDMA_BASE0
    26. 

  26. 	MCFDMA_BASE0,
    27. 

  27. #endif
    28. 

  28. #ifdef MCFDMA_BASE1
    29. 

  29. 	MCFDMA_BASE1,
    30. 

  30. #endif
    31. 

  31. #ifdef MCFDMA_BASE2
    32. 

  32. 	MCFDMA_BASE2,
    33. 

  33. #endif
    34. 

  34. #ifdef MCFDMA_BASE3
    35. 

  35. 	MCFDMA_BASE3,
    36. 

  36. #endif
    37. 

  37. };
    38. 

  38. EXPORT_SYMBOL(dma_base_addr);
    39. 

  39. 

  40. unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
    41. 

  41. EXPORT_SYMBOL(dma_device_address);
    42. 

  42. 

  43. /***************************************************************************/
    44. 

  44.