[PATCH] powerpc: moved ipic code to arch/powerpc

Moved 83xx and QUICC Engine interrupt handling code into arch/powerpc
as a precursor of getting 83xx sub-arch building in arch/powerpc.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/ipic.h b/arch/powerpc/sysdev/ipic.h
new file mode 100644
index 000000000000..a7ce7da8785c
--- /dev/null
+++ b/arch/powerpc/sysdev/ipic.h
@@ -0,0 +1,49 @@
+/*
+ * arch/ppc/kernel/ipic.h
+ *
+ * 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__ */