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52964f87c6
The majority of irq_host implementations (3 out of 4) are associated with a device_node, and need to stash it somewhere. Rather than having it somewhere different for each host, add an optional device_node pointer to the irq_host structure. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* IPIC private definitions and structure.
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*
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* Maintainer: Kumar Gala <galak@kernel.crashing.org>
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*
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* Copyright 2005 Freescale Semiconductor, Inc
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef __IPIC_H__
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#define __IPIC_H__
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#include <asm/ipic.h>
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#define NR_IPIC_INTS 128
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/* External IRQS */
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#define IPIC_IRQ_EXT0 48
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#define IPIC_IRQ_EXT1 17
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#define IPIC_IRQ_EXT7 23
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/* Default Priority Registers */
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#define IPIC_SIPRR_A_DEFAULT 0x05309770
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#define IPIC_SIPRR_D_DEFAULT 0x05309770
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#define IPIC_SMPRR_A_DEFAULT 0x05309770
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#define IPIC_SMPRR_B_DEFAULT 0x05309770
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/* System Global Interrupt Configuration Register */
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#define SICFR_IPSA 0x00010000
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#define SICFR_IPSD 0x00080000
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#define SICFR_MPSA 0x00200000
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#define SICFR_MPSB 0x00400000
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/* System External Interrupt Mask Register */
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#define SEMSR_SIRQ0 0x00008000
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/* System Error Control Register */
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#define SERCR_MCPR 0x00000001
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struct ipic {
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volatile u32 __iomem *regs;
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/* The remapper for this IPIC */
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struct irq_host *irqhost;
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/* The "linux" controller struct */
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struct irq_chip hc_irq;
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};
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struct ipic_info {
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u8 pend; /* pending register offset from base */
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u8 mask; /* mask register offset from base */
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u8 prio; /* priority register offset from base */
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u8 force; /* force register offset from base */
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u8 bit; /* register bit position (as per doc)
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bit mask = 1 << (31 - bit) */
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u8 prio_mask; /* priority mask value */
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};
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#endif /* __IPIC_H__ */
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