/* linux/include/linux/scx200.h

   Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>

   Defines for the National Semiconductor SCx200 Processors
*/

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

/* 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 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 0x05

/* 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 */

/* Verify that the configuration block really is there */
#define scx200_cb_probe(base) (inw((base) + SCx200_CBA) == (base))

/*
    Local variables:
        compile-command: "make -C ../.. bzImage modules"
        c-basic-offset: 8
    End:
*/
