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 /* F0 PCI Header/Bridge Configuration Registers */
  11 #define SCx200_DOCCS_BASE 0x78  /* DOCCS Base Address Register */
  12 #define SCx200_DOCCS_CTRL 0x7c  /* DOCCS Control Register */
  13
  14 /* GPIO Register Block */
  15 #define SCx200_GPIO_SIZE 0x2c   /* Size of GPIO register block */
  16
  17 /* General Configuration Block */
  18 #define SCx200_CB_BASE 0x9000   /* Base fixed at 0x9000 according to errata */
  19
  20 /* Watchdog Timer */
  21 #define SCx200_WDT_OFFSET 0x00  /* offset within configuration block */
  22 #define SCx200_WDT_SIZE 0x05    /* size */
  23
  24 #define SCx200_WDT_WDTO 0x00    /* Time-Out Register */
  25 #define SCx200_WDT_WDCNFG 0x02  /* Configuration Register */
  26 #define SCx200_WDT_WDSTS 0x04   /* Status Register */
  27 #define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */
  28
  29 /* High Resolution Timer */
  30 #define SCx200_TIMER_OFFSET 0x08
  31 #define SCx200_TIMER_SIZE 0x05
  32
  33 /* Clock Generators */
  34 #define SCx200_CLOCKGEN_OFFSET 0x10
  35 #define SCx200_CLOCKGEN_SIZE 0x10
  36
  37 /* Pin Multiplexing and Miscellaneous Configuration Registers */
  38 #define SCx200_MISC_OFFSET 0x30
  39 #define SCx200_MISC_SIZE 0x10
  40
  41 #define SCx200_PMR 0x30         /* Pin Multiplexing Register */
  42 #define SCx200_MCR 0x34         /* Miscellaneous Configuration Register */
  43 #define SCx200_INTSEL 0x38      /* Interrupt Selection Register */
  44 #define SCx200_IID 0x3c         /* IA On a Chip Identification Number Reg */
  45 #define SCx200_REV 0x3d         /* Revision Register */
  46 #define SCx200_CBA 0x3e         /* Configuration Base Address Register */
  47
  48 /* Verify that the configuration block really is there */
  49 #define scx200_cb_probe(base) (inw((base) + SCx200_CBA) == (base))
  50
  51 /*
  52     Local variables:
  53         compile-command: "make -C ../.. bzImage modules"
  54         c-basic-offset: 8
  55     End:
  56 */