release/src-rt-6.x/linux/linux-2.6/arch/ppc/syslib/ipic.h

   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 MPC83xx_IPIC_SIZE       (0x00100)
  19
  20 /* System Global Interrupt Configuration Register */
  21 #define SICFR_IPSA      0x00010000
  22 #define SICFR_IPSD      0x00080000
  23 #define SICFR_MPSA      0x00200000
  24 #define SICFR_MPSB      0x00400000
  25
  26 /* System External Interrupt Mask Register */
  27 #define SEMSR_SIRQ0     0x00008000
  28
  29 /* System Error Control Register */
  30 #define SERCR_MCPR      0x00000001
  31
  32 struct ipic {
  33         volatile u32 __iomem    *regs;
  34         unsigned int            irq_offset;
  35 };
  36
  37 struct ipic_info {
  38         u8      pend;           /* pending register offset from base */
  39         u8      mask;           /* mask register offset from base */
  40         u8      prio;           /* priority register offset from base */
  41         u8      force;          /* force register offset from base */
  42         u8      bit;            /* register bit position (as per doc)
  43                                    bit mask = 1 << (31 - bit) */
  44         u8      prio_mask;      /* priority mask value */
  45 };
  46
  47 #endif /* __IPIC_H__ */