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authorPaul Mackerras <paulus@samba.org>2006-08-31 15:45:48 +1000
committerPaul Mackerras <paulus@samba.org>2006-08-31 15:45:48 +1000
commitaa43f77939c97bf9d3580c6a5e71a5a40290e451 (patch)
tree095c0b8b3da4b6554a3f8ef4b39240a5d9216d4d /arch/ppc/syslib/ipic.h
parent2818c5dec5e28d65d52afbb7695bbbafe6377ee5 (diff)
parent4c15343167b5febe7bb0ba96aad5bef42ae94d3b (diff)
Merge branch 'merge'
Diffstat (limited to 'arch/ppc/syslib/ipic.h')
-rw-r--r--arch/ppc/syslib/ipic.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/ppc/syslib/ipic.h b/arch/ppc/syslib/ipic.h
new file mode 100644
index 00000000000..a60c9d18bb7
--- /dev/null
+++ b/arch/ppc/syslib/ipic.h
@@ -0,0 +1,47 @@
+/*
+ * IPIC private definitions and structure.
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * Copyright 2005 Freescale Semiconductor, Inc
+ *
+ * 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; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+#ifndef __IPIC_H__
+#define __IPIC_H__
+
+#include <asm/ipic.h>
+
+#define MPC83xx_IPIC_SIZE (0x00100)
+
+/* System Global Interrupt Configuration Register */
+#define SICFR_IPSA 0x00010000
+#define SICFR_IPSD 0x00080000
+#define SICFR_MPSA 0x00200000
+#define SICFR_MPSB 0x00400000
+
+/* System External Interrupt Mask Register */
+#define SEMSR_SIRQ0 0x00008000
+
+/* System Error Control Register */
+#define SERCR_MCPR 0x00000001
+
+struct ipic {
+ volatile u32 __iomem *regs;
+ unsigned int irq_offset;
+};
+
+struct ipic_info {
+ u8 pend; /* pending register offset from base */
+ u8 mask; /* mask register offset from base */
+ u8 prio; /* priority register offset from base */
+ u8 force; /* force register offset from base */
+ u8 bit; /* register bit position (as per doc)
+ bit mask = 1 << (31 - bit) */
+ u8 prio_mask; /* priority mask value */
+};
+
+#endif /* __IPIC_H__ */