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  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/arch/powerpc/sysdev/
1/*
2 * IPIC private definitions and structure.
3 *
4 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
5 *
6 * Copyright 2005 Freescale Semiconductor, Inc
7 *
8 * This program is free software; you can redistribute  it and/or modify it
9 * under  the terms of  the GNU General  Public License as published by the
10 * Free Software Foundation;  either version 2 of the  License, or (at your
11 * option) any later version.
12 */
13#ifndef __IPIC_H__
14#define __IPIC_H__
15
16#include <asm/ipic.h>
17
18#define NR_IPIC_INTS 128
19
20/* External IRQS */
21#define IPIC_IRQ_EXT0 48
22#define IPIC_IRQ_EXT1 17
23#define IPIC_IRQ_EXT7 23
24
25/* Default Priority Registers */
26#define IPIC_PRIORITY_DEFAULT 0x05309770
27
28/* System Global Interrupt Configuration Register */
29#define	SICFR_IPSA	0x00010000
30#define	SICFR_IPSB	0x00020000
31#define	SICFR_IPSC	0x00040000
32#define	SICFR_IPSD	0x00080000
33#define	SICFR_MPSA	0x00200000
34#define	SICFR_MPSB	0x00400000
35
36/* System External Interrupt Mask Register */
37#define	SEMSR_SIRQ0	0x00008000
38
39/* System Error Control Register */
40#define SERCR_MCPR	0x00000001
41
42struct ipic {
43	volatile u32 __iomem	*regs;
44
45	/* The remapper for this IPIC */
46	struct irq_host		*irqhost;
47};
48
49struct ipic_info {
50	u8	ack;		/* pending register offset from base if the irq
51				   supports ack operation */
52	u8	mask;		/* mask register offset from base */
53	u8	prio;		/* priority register offset from base */
54	u8	force;		/* force register offset from base */
55	u8	bit;		/* register bit position (as per doc)
56				   bit mask = 1 << (31 - bit) */
57	u8	prio_mask;	/* priority mask value */
58};
59
60#endif /* __IPIC_H__ */
61