scx200.h

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/* linux/include/linux/scx200.h

   Copyright (c) 2001,2002 Christer Weinigel <[email protected]>

   Defines for the National Semiconductor SCx200 Processors
*/

/* Interesting stuff for the National Semiconductor SCx200 CPU */

extern unsigned scx200_cb_base;

#define scx200_cb_present() (scx200_cb_base!=0)

/* F0 PCI Header/Bridge Configuration Registers */
#define SCx200_DOCCS_BASE 0x78  /* DOCCS Base Address Register */
#define SCx200_DOCCS_CTRL 0x7c  /* DOCCS Control Register */

/* GPIO Register Block */
#define SCx200_GPIO_SIZE 0x2c   /* Size of GPIO register block */

/* General Configuration Block */
#define SCx200_CB_BASE_FIXED 0x9000 /* Base fixed at 0x9000 according to errata? */

/* Watchdog Timer */
#define SCx200_WDT_OFFSET 0x00  /* offset within configuration block */
#define SCx200_WDT_SIZE 0x05    /* size */

#define SCx200_WDT_WDTO 0x00    /* Time-Out Register */
#define SCx200_WDT_WDCNFG 0x02  /* Configuration Register */
#define SCx200_WDT_WDSTS 0x04   /* Status Register */
#define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */

/* High Resolution Timer */
#define SCx200_TIMER_OFFSET 0x08
#define SCx200_TIMER_SIZE 0x06

/* Clock Generators */
#define SCx200_CLOCKGEN_OFFSET 0x10
#define SCx200_CLOCKGEN_SIZE 0x10

/* Pin Multiplexing and Miscellaneous Configuration Registers */
#define SCx200_MISC_OFFSET 0x30
#define SCx200_MISC_SIZE 0x10

#define SCx200_PMR 0x30     /* Pin Multiplexing Register */
#define SCx200_MCR 0x34     /* Miscellaneous Configuration Register */
#define SCx200_INTSEL 0x38  /* Interrupt Selection Register */
#define SCx200_IID 0x3c     /* IA On a Chip Identification Number Reg */
#define SCx200_REV 0x3d     /* Revision Register */
#define SCx200_CBA 0x3e     /* Configuration Base Address Register */
#define SCx200_CBA_SCRATCH 0x64 /* Configuration Base Address Scratchpad */