include/linux/scx200.h

   1 /* linux/include/linux/scx200.h
   2
   3    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>
   4
   5    Defines for the National Semiconductor SCx200 Processors
   6 */
   7
   8 /* Interesting stuff for the National Semiconductor SCx200 CPU */
   9
  10 extern unsigned scx200_cb_base;
  11
  12 #define scx200_cb_present() (scx200_cb_base!=0)
  13
  14 /* F0 PCI Header/Bridge Configuration Registers */
  15 #define SCx200_DOCCS_BASE 0x78  /* DOCCS Base Address Register */
  16 #define SCx200_DOCCS_CTRL 0x7c  /* DOCCS Control Register */
  17
  18 /* GPIO Register Block */
  19 #define SCx200_GPIO_SIZE 0x2c   /* Size of GPIO register block */
  20
  21 /* General Configuration Block */
  22 #define SCx200_CB_BASE_FIXED 0x9000     /* Base fixed at 0x9000 according to errata? */
  23
  24 /* Watchdog Timer */
  25 #define SCx200_WDT_OFFSET 0x00  /* offset within configuration block */
  26 #define SCx200_WDT_SIZE 0x05    /* size */
  27
  28 #define SCx200_WDT_WDTO 0x00    /* Time-Out Register */
  29 #define SCx200_WDT_WDCNFG 0x02  /* Configuration Register */
  30 #define SCx200_WDT_WDSTS 0x04   /* Status Register */
  31 #define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */
  32
  33 /* High Resolution Timer */
  34 #define SCx200_TIMER_OFFSET 0x08
  35 #define SCx200_TIMER_SIZE 0x06
  36
  37 /* Clock Generators */
  38 #define SCx200_CLOCKGEN_OFFSET 0x10
  39 #define SCx200_CLOCKGEN_SIZE 0x10
  40
  41 /* Pin Multiplexing and Miscellaneous Configuration Registers */
  42 #define SCx200_MISC_OFFSET 0x30
  43 #define SCx200_MISC_SIZE 0x10
  44
  45 #define SCx200_PMR 0x30         /* Pin Multiplexing Register */
  46 #define SCx200_MCR 0x34         /* Miscellaneous Configuration Register */
  47 #define SCx200_INTSEL 0x38      /* Interrupt Selection Register */
  48 #define SCx200_IID 0x3c         /* IA On a Chip Identification Number Reg */
  49 #define SCx200_REV 0x3d         /* Revision Register */
  50 #define SCx200_CBA 0x3e         /* Configuration Base Address Register */
  51 #define SCx200_CBA_SCRATCH 0x64 /* Configuration Base Address Scratchpad */