release/src-rt-6.x.4708/linux/linux-2.6.36/arch/mips/include/asm/mach-cobalt/irq.h

   1 /*
   2  * Cobalt IRQ definitions.
   3  *
   4  * This file is subject to the terms and conditions of the GNU General Public
   5  * License.  See the file "COPYING" in the main directory of this archive
   6  * for more details.
   7  *
   8  * Copyright (C) 1997 Cobalt Microserver
   9  * Copyright (C) 1997, 2003 Ralf Baechle
  10  * Copyright (C) 2001-2003 Liam Davies (ldavies@agile.tv)
  11  * Copyright (C) 2007 Yoichi Yuasa <yuasa@linux-mips.org>
  12  */
  13 #ifndef _ASM_COBALT_IRQ_H
  14 #define _ASM_COBALT_IRQ_H
  15
  16 /*
  17  * i8259 interrupts used on Cobalt:
  18  *
  19  *      8  - RTC
  20  *      9  - PCI slot
  21  *      14 - IDE0
  22  *      15 - IDE1(no connector on board)
  23  */
  24 #define I8259A_IRQ_BASE                 0
  25
  26 #define PCISLOT_IRQ                     (I8259A_IRQ_BASE + 9)
  27
  28 /*
  29  * CPU interrupts used on Cobalt:
  30  *
  31  *      0 - Software interrupt 0 (unused)
  32  *      1 - Software interrupt 0 (unused)
  33  *      2 - cascade GT64111
  34  *      3 - ethernet or SCSI host controller
  35  *      4 - ethernet
  36  *      5 - 16550 UART
  37  *      6 - cascade i8259
  38  *      7 - CP0 counter
  39  */
  40 #define MIPS_CPU_IRQ_BASE               16
  41
  42 #define GT641XX_CASCADE_IRQ             (MIPS_CPU_IRQ_BASE + 2)
  43 #define RAQ2_SCSI_IRQ                   (MIPS_CPU_IRQ_BASE + 3)
  44 #define ETH0_IRQ                        (MIPS_CPU_IRQ_BASE + 3)
  45 #define QUBE1_ETH0_IRQ                  (MIPS_CPU_IRQ_BASE + 4)
  46 #define ETH1_IRQ                        (MIPS_CPU_IRQ_BASE + 4)
  47 #define SERIAL_IRQ                      (MIPS_CPU_IRQ_BASE + 5)
  48 #define SCSI_IRQ                        (MIPS_CPU_IRQ_BASE + 5)
  49 #define I8259_CASCADE_IRQ               (MIPS_CPU_IRQ_BASE + 6)
  50
  51 #define GT641XX_IRQ_BASE                24
  52
  53 #include <asm/irq_gt641xx.h>
  54
  55 #define NR_IRQS                                 (GT641XX_PCI_INT3_IRQ + 1)
  56
  57 #endif /* _ASM_COBALT_IRQ_H */