| 1 | /* linux/include/linux/scx200.h |
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| 2 | |
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| 3 | Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> |
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| 4 | |
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| 5 | Defines for the National Semiconductor SCx200 Processors |
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| 6 | */ |
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| 7 | |
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| 8 | /* Interesting stuff for the National Semiconductor SCx200 CPU */ |
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| 9 | |
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| 10 | extern unsigned scx200_cb_base; |
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| 11 | |
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| 12 | #define scx200_cb_present() (scx200_cb_base!=0) |
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| 13 | |
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| 14 | /* F0 PCI Header/Bridge Configuration Registers */ |
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| 15 | #define SCx200_DOCCS_BASE 0x78 /* DOCCS Base Address Register */ |
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| 16 | #define SCx200_DOCCS_CTRL 0x7c /* DOCCS Control Register */ |
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| 17 | |
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| 18 | /* GPIO Register Block */ |
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| 19 | #define SCx200_GPIO_SIZE 0x2c /* Size of GPIO register block */ |
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| 20 | |
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| 21 | /* General Configuration Block */ |
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| 22 | #define SCx200_CB_BASE_FIXED 0x9000 /* Base fixed at 0x9000 according to errata? */ |
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| 23 | |
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| 24 | /* Watchdog Timer */ |
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| 25 | #define SCx200_WDT_OFFSET 0x00 /* offset within configuration block */ |
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| 26 | #define SCx200_WDT_SIZE 0x05 /* size */ |
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| 27 | |
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| 28 | #define SCx200_WDT_WDTO 0x00 /* Time-Out Register */ |
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| 29 | #define SCx200_WDT_WDCNFG 0x02 /* Configuration Register */ |
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| 30 | #define SCx200_WDT_WDSTS 0x04 /* Status Register */ |
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| 31 | #define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */ |
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| 32 | |
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| 33 | /* High Resolution Timer */ |
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| 34 | #define SCx200_TIMER_OFFSET 0x08 |
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| 35 | #define SCx200_TIMER_SIZE 0x05 |
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| 36 | |
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| 37 | /* Clock Generators */ |
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| 38 | #define SCx200_CLOCKGEN_OFFSET 0x10 |
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| 39 | #define SCx200_CLOCKGEN_SIZE 0x10 |
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| 40 | |
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| 41 | /* Pin Multiplexing and Miscellaneous Configuration Registers */ |
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| 42 | #define SCx200_MISC_OFFSET 0x30 |
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| 43 | #define SCx200_MISC_SIZE 0x10 |
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| 44 | |
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| 45 | #define SCx200_PMR 0x30 /* Pin Multiplexing Register */ |
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| 46 | #define SCx200_MCR 0x34 /* Miscellaneous Configuration Register */ |
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| 47 | #define SCx200_INTSEL 0x38 /* Interrupt Selection Register */ |
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| 48 | #define SCx200_IID 0x3c /* IA On a Chip Identification Number Reg */ |
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| 49 | #define SCx200_REV 0x3d /* Revision Register */ |
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| 50 | #define SCx200_CBA 0x3e /* Configuration Base Address Register */ |
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| 51 | #define SCx200_CBA_SCRATCH 0x64 /* Configuration Base Address Scratchpad */ |
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| 52 | |
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| 53 | /* |
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| 54 | Local variables: |
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| 55 | compile-command: "make -C ../.. bzImage modules" |
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| 56 | c-basic-offset: 8 |
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| 57 | End: |
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| 58 | */ |
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