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| author | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
|---|---|---|
| committer | root <root@artemis.panaceas.org> | 2015-12-25 04:40:36 +0000 |
| commit | 849369d6c66d3054688672f97d31fceb8e8230fb (patch) | |
| tree | 6135abc790ca67dedbe07c39806591e70eda81ce /arch/powerpc/sysdev/fsl_msi.h | |
| download | linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.gz linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.tar.bz2 linux-3.0.35-kobo-849369d6c66d3054688672f97d31fceb8e8230fb.zip | |
initial_commit
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.h')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h new file mode 100644 index 00000000..624580c2 --- /dev/null +++ b/arch/powerpc/sysdev/fsl_msi.h @@ -0,0 +1,43 @@ +/* + * 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 + +#include <asm/msi_bitmap.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 { + struct irq_host *irqhost; + + unsigned long cascade_irq; + + u32 msi_addr_lo; + u32 msi_addr_hi; + void __iomem *msi_regs; + u32 feature; + int msi_virqs[NR_MSI_REG]; + + struct msi_bitmap bitmap; + + struct list_head list; /* support multiple MSI banks */ +}; + +#endif /* _POWERPC_SYSDEV_FSL_MSI_H */ + |