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fsl_msi.h

fsl_msi.h 984 B
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  1. /*
    2. 

  2.  * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved.
    3. 

  3.  *
    4. 

  4.  * Author: Tony Li <tony.li@freescale.com>
    5. 

  5.  *	   Jason Jin <Jason.jin@freescale.com>
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or
    8. 

  8.  * modify it under the terms of the GNU General Public License
    9. 

  9.  * as published by the Free Software Foundation; version 2 of the
    10. 

  10.  * License.
    11. 

  11.  *
    12. 

  12.  */
    13. 

  13. #ifndef _POWERPC_SYSDEV_FSL_MSI_H
    14. 

  14. #define _POWERPC_SYSDEV_FSL_MSI_H
    15. 

  15. 

  16. #define NR_MSI_REG		8
    17. 

  17. #define IRQS_PER_MSI_REG	32
    18. 

  18. #define NR_MSI_IRQS	(NR_MSI_REG * IRQS_PER_MSI_REG)
    19. 

  19. 

  20. #define FSL_PIC_IP_MASK	0x0000000F
    21. 

  21. #define FSL_PIC_IP_MPIC	0x00000001
    22. 

  22. #define FSL_PIC_IP_IPIC	0x00000002
    23. 

  23. 

  24. struct fsl_msi {
    25. 

  25. 	/* Device node of the MSI interrupt*/
    26. 

  26. 	struct device_node *of_node;
    27. 

  27. 

  28. 	struct irq_host *irqhost;
    29. 

  29. 

  30. 	unsigned long cascade_irq;
    31. 

  31. 

  32. 	u32 msi_addr_lo;
    33. 

  33. 	u32 msi_addr_hi;
    34. 

  34. 	void __iomem *msi_regs;
    35. 

  35. 	u32 feature;
    36. 

  36. 

  37. 	unsigned long *fsl_msi_bitmap;
    38. 

  38. 	spinlock_t bitmap_lock;
    39. 

  39. };
    40. 

  40. 

  41. #endif /* _POWERPC_SYSDEV_FSL_MSI_H */
    42. 

  42.