xref: /openbmc/linux/arch/powerpc/sysdev/ipic.h (revision 87c2ce3b)
1 /*
2  * arch/ppc/kernel/ipic.h
3  *
4  * IPIC private definitions and structure.
5  *
6  * Maintainer: Kumar Gala <galak@kernel.crashing.org>
7  *
8  * Copyright 2005 Freescale Semiconductor, Inc
9  *
10  * This program is free software; you can redistribute  it and/or modify it
11  * under  the terms of  the GNU General  Public License as published by the
12  * Free Software Foundation;  either version 2 of the  License, or (at your
13  * option) any later version.
14  */
15 #ifndef __IPIC_H__
16 #define __IPIC_H__
17 
18 #include <asm/ipic.h>
19 
20 #define MPC83xx_IPIC_SIZE	(0x00100)
21 
22 /* System Global Interrupt Configuration Register */
23 #define	SICFR_IPSA	0x00010000
24 #define	SICFR_IPSD	0x00080000
25 #define	SICFR_MPSA	0x00200000
26 #define	SICFR_MPSB	0x00400000
27 
28 /* System External Interrupt Mask Register */
29 #define	SEMSR_SIRQ0	0x00008000
30 
31 /* System Error Control Register */
32 #define SERCR_MCPR	0x00000001
33 
34 struct ipic {
35 	volatile u32 __iomem	*regs;
36 	unsigned int		irq_offset;
37 };
38 
39 struct ipic_info {
40 	u8	pend;		/* pending register offset from base */
41 	u8	mask;		/* mask register offset from base */
42 	u8	prio;		/* priority register offset from base */
43 	u8	force;		/* force register offset from base */
44 	u8	bit;		/* register bit position (as per doc)
45 				   bit mask = 1 << (31 - bit) */
46 	u8	prio_mask;	/* priority mask value */
47 };
48 
49 #endif /* __IPIC_H__ */
50