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authorKumar Gala <galak@gate.crashing.org>2005-11-14 12:54:33 -0600
committerPaul Mackerras <paulus@samba.org>2006-01-09 14:48:57 +1100
commit1cd8e506209223ed10da805d99be55e268f4023c (patch)
treeccec0c8aff4f351baebad5dcc213915c3379ca6e /arch/powerpc/sysdev/ipic.h
parent3d1229d6ae92ed1994f4411b8493327ef8f4b76f (diff)
[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>
Diffstat (limited to 'arch/powerpc/sysdev/ipic.h')
-rw-r--r--arch/powerpc/sysdev/ipic.h49
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 00000000000..a7ce7da8785
--- /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__ */