diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.h')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_msi.h | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h index a653468521f..df9aa9fe093 100644 --- a/arch/powerpc/sysdev/fsl_msi.h +++ b/arch/powerpc/sysdev/fsl_msi.h @@ -13,29 +13,37 @@ #ifndef _POWERPC_SYSDEV_FSL_MSI_H #define _POWERPC_SYSDEV_FSL_MSI_H -#define NR_MSI_REG 8 +#include <linux/of.h> +#include <asm/msi_bitmap.h> + +#define NR_MSI_REG_MSIIR 8 /* MSIIR can index 8 MSI registers */ +#define NR_MSI_REG_MSIIR1 16 /* MSIIR1 can index 16 MSI registers */ +#define NR_MSI_REG_MAX NR_MSI_REG_MSIIR1 #define IRQS_PER_MSI_REG 32 -#define NR_MSI_IRQS (NR_MSI_REG * IRQS_PER_MSI_REG) +#define NR_MSI_IRQS_MAX (NR_MSI_REG_MAX * IRQS_PER_MSI_REG) -#define FSL_PIC_IP_MASK 0x0000000F -#define FSL_PIC_IP_MPIC 0x00000001 -#define FSL_PIC_IP_IPIC 0x00000002 +#define FSL_PIC_IP_MASK 0x0000000F +#define FSL_PIC_IP_MPIC 0x00000001 +#define FSL_PIC_IP_IPIC 0x00000002 +#define FSL_PIC_IP_VMPIC 0x00000003 struct fsl_msi { - /* Device node of the MSI interrupt*/ - struct device_node *of_node; - - struct irq_host *irqhost; + struct irq_domain *irqhost; unsigned long cascade_irq; - u32 msi_addr_lo; - u32 msi_addr_hi; + u32 msiir_offset; /* Offset of MSIIR, relative to start of CCSR */ + u32 ibs_shift; /* Shift of interrupt bit select */ + u32 srs_shift; /* Shift of the shared interrupt register select */ void __iomem *msi_regs; u32 feature; + int msi_virqs[NR_MSI_REG_MAX]; + + struct msi_bitmap bitmap; + + struct list_head list; /* support multiple MSI banks */ - unsigned long *fsl_msi_bitmap; - spinlock_t bitmap_lock; + phandle phandle; }; #endif /* _POWERPC_SYSDEV_FSL_MSI_H */ |