Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
34struct ipic {
35 volatile u32 __iomem *regs;
36 unsigned int irq_offset;
37};
38
39struct 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__ */