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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* linux/include/linux/scx200.h |
| 2 | |||
| 3 | Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> |
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| 4 | |||
| 5 | Defines for the National Semiconductor SCx200 Processors |
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| 6 | */ |
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| 7 | |||
| 8 | /* Interesting stuff for the National Semiconductor SCx200 CPU */ |
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| 9 | |||
| 10 | /* F0 PCI Header/Bridge Configuration Registers */ |
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| 11 | #define SCx200_DOCCS_BASE 0x78 /* DOCCS Base Address Register */ |
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| 12 | #define SCx200_DOCCS_CTRL 0x7c /* DOCCS Control Register */ |
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| 13 | |||
| 14 | /* GPIO Register Block */ |
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| 15 | #define SCx200_GPIO_SIZE 0x2c /* Size of GPIO register block */ |
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| 16 | |||
| 17 | /* General Configuration Block */ |
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| 18 | #define SCx200_CB_BASE 0x9000 /* Base fixed at 0x9000 according to errata */ |
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| 19 | |||
| 20 | /* Watchdog Timer */ |
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| 21 | #define SCx200_WDT_OFFSET 0x00 /* offset within configuration block */ |
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| 22 | #define SCx200_WDT_SIZE 0x05 /* size */ |
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| 23 | |||
| 24 | #define SCx200_WDT_WDTO 0x00 /* Time-Out Register */ |
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| 25 | #define SCx200_WDT_WDCNFG 0x02 /* Configuration Register */ |
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| 26 | #define SCx200_WDT_WDSTS 0x04 /* Status Register */ |
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| 27 | #define SCx200_WDT_WDSTS_WDOVF (1<<0) /* Overflow bit */ |
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| 28 | |||
| 29 | /* High Resolution Timer */ |
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| 30 | #define SCx200_TIMER_OFFSET 0x08 |
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| 31 | #define SCx200_TIMER_SIZE 0x05 |
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| 32 | |||
| 33 | /* Clock Generators */ |
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| 34 | #define SCx200_CLOCKGEN_OFFSET 0x10 |
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| 35 | #define SCx200_CLOCKGEN_SIZE 0x10 |
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| 36 | |||
| 37 | /* Pin Multiplexing and Miscellaneous Configuration Registers */ |
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| 38 | #define SCx200_MISC_OFFSET 0x30 |
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| 39 | #define SCx200_MISC_SIZE 0x10 |
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| 40 | |||
| 41 | #define SCx200_PMR 0x30 /* Pin Multiplexing Register */ |
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| 42 | #define SCx200_MCR 0x34 /* Miscellaneous Configuration Register */ |
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| 43 | #define SCx200_INTSEL 0x38 /* Interrupt Selection Register */ |
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| 44 | #define SCx200_IID 0x3c /* IA On a Chip Identification Number Reg */ |
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| 45 | #define SCx200_REV 0x3d /* Revision Register */ |
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| 46 | #define SCx200_CBA 0x3e /* Configuration Base Address Register */ |
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| 47 | |||
| 48 | /* Verify that the configuration block really is there */ |
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| 49 | #define scx200_cb_probe(base) (inw((base) + SCx200_CBA) == (base)) |
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| 50 | |||
| 51 | /* |
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| 52 | Local variables: |
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| 53 | compile-command: "make -C ../.. bzImage modules" |
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| 54 | c-basic-offset: 8 |
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| 55 | End: |
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| 56 | */ |