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| author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 10:40:14 -0400 |
| commit | ff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch) | |
| tree | 85205005c611ab774702148558321c6fb92f1ccd /arch/powerpc/sysdev/fsl_msi.h | |
| parent | 30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff) | |
| parent | d37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff) | |
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.h')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h new file mode 100644 index 000000000000..a653468521fa --- /dev/null +++ b/arch/powerpc/sysdev/fsl_msi.h @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2007-2008 Freescale Semiconductor, Inc. All rights reserved. + * + * Author: Tony Li <tony.li@freescale.com> + * Jason Jin <Jason.jin@freescale.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the + * License. + * + */ +#ifndef _POWERPC_SYSDEV_FSL_MSI_H +#define _POWERPC_SYSDEV_FSL_MSI_H + +#define NR_MSI_REG 8 +#define IRQS_PER_MSI_REG 32 +#define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG) + +#define FSL_PIC_IP_MASK 0x0000000F +#define FSL_PIC_IP_MPIC 0x00000001 +#define FSL_PIC_IP_IPIC 0x00000002 + +struct fsl_msi { + /* Device node of the MSI interrupt*/ + struct device_node *of_node; + + struct irq_host *irqhost; + + unsigned long cascade_irq; + + u32 msi_addr_lo; + u32 msi_addr_hi; + void __iomem *msi_regs; + u32 feature; + + unsigned long *fsl_msi_bitmap; + spinlock_t bitmap_lock; +}; + +#endif /* _POWERPC_SYSDEV_FSL_MSI_H */ + |