target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_intc.h

   1 /*
   2  *  $Id$
   3  *
   4  *  ADM5120 interrupt controller definitions
   5  *
   6  *  This header file defines the hardware registers of the ADM5120 SoC
   7  *  built-in interrupt controller.
   8  *
   9  *  Copyright (C) 2007 OpenWrt.org
  10  *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
  11  *
  12  *  This program is free software; you can redistribute it and/or modify it
  13  *  under the terms of the GNU General Public License version 2 as published
  14  *  by the Free Software Foundation.
  15  *
  16  */
  17
  18 #ifndef _ADM5120_INTC_H_
  19 #define _ADM5120_INTC_H_
  20
  21 /*
  22  * INTC register offsets
  23  */
  24 #define INTC_REG_IRQ_STATUS             0x00 /* Interrupt status after masking */
  25 #define INTC_REG_IRQ_RAW_STATUS         0x04 /* Interrupt status before masking */
  26 #define INTC_REG_IRQ_ENABLE             0x08 /* Used to enable the interrupt sources */
  27 #define INTC_REG_IRQ_ENABLE_CLEAR       0x0C /* Used to disable the interrupt sources */
  28 #define INTC_REG_IRQ_DISABLE            INTC_REG_IRQ_ENABLE_CLEAR
  29 #define INTC_REG_INT_MODE               0x14 /* The interrupt mode of the sources */
  30 #define INTC_REG_FIQ_STATUS             0x18 /* FIQ status */
  31 #define INTC_REG_IRQ_TEST_SOURCE        0x1C
  32 #define INTC_REG_IRQ_SOURCE_SELECT      0x20
  33 #define INTC_REG_INT_LEVEL              0x24
  34
  35 /*
  36  * INTC IRQ numbers
  37  */
  38 #define INTC_IRQ_TIMER  0       /* built in timer */
  39 #define INTC_IRQ_UART0  1       /* built-in UART0 */
  40 #define INTC_IRQ_UART1  2       /* built-in UART1 */
  41 #define INTC_IRQ_USBC   3       /* USB Host Controller */
  42 #define INTC_IRQ_GPIO2  4       /* GPIO line 2 */
  43 #define INTC_IRQ_GPIO4  5       /* GPIO line 4 */
  44 #define INTC_IRQ_PCI0   6       /* PCI slot 2 */
  45 #define INTC_IRQ_PCI1   7       /* PCI slot 3 */
  46 #define INTC_IRQ_PCI2   8       /* PCI slot 4 */
  47 #define INTC_IRQ_SWITCH 9       /* built-in ethernet switch */
  48 #define INTC_IRQ_LAST   INTC_IRQ_SWITCH
  49 #define INTC_IRQ_COUNT  10
  50
  51 /*
  52  * INTC register bits
  53  */
  54 #define INTC_INT_TIMER  ( 1 << INTC_IRQ_TIMER )
  55 #define INTC_INT_UART0  ( 1 << INTC_IRQ_UART0 )
  56 #define INTC_INT_UART1  ( 1 << INTC_IRQ_UART1 )
  57 #define INTC_INT_USBC   ( 1 << INTC_IRQ_USBC )
  58 #define INTC_INT_INTX0  ( 1 << INTC_IRQ_INTX0 )
  59 #define INTC_INT_INTX1  ( 1 << INTC_IRQ_INTX1 )
  60 #define INTC_INT_PCI0   ( 1 << INTC_IRQ_PCI0 )
  61 #define INTC_INT_PCI1   ( 1 << INTC_IRQ_PCI1 )
  62 #define INTC_INT_PCI2   ( 1 << INTC_IRQ_PCI2 )
  63 #define INTC_INT_SWITCH ( 1 << INTC_IRQ_SWITCH )
  64 #define INTC_INT_ALL    (( 1 << INTC_IRQ_COUNT)-1)
  65
  66 #endif /* _ADM5120_INTC_H_ */