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authorIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 19:53:16 +0200
commit9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch)
tree0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /arch/powerpc/sysdev/fsl_msi.h
parentb8f8c3cf0a4ac0632ec3f0e15e9dc0c29de917af (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
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Merge branch 'linus' into timers/nohz
Diffstat (limited to 'arch/powerpc/sysdev/fsl_msi.h')
-rw-r--r--arch/powerpc/sysdev/fsl_msi.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/fsl_msi.h b/arch/powerpc/sysdev/fsl_msi.h
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+++ 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 */
+