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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * PC-9800 machine types. |
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| 3 | * |
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| 4 | * Copyright (C) 1999 TAKAI Kosuke <tak@kmc.kyoto-u.ac.jp> |
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| 5 | * (Linux/98 Project) |
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| 6 | */ |
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| 7 | |||
| 8 | #ifndef _ASM_PC9800_H_ |
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| 9 | #define _ASM_PC9800_H_ |
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| 10 | |||
| 11 | #include <asm/pc9800_sca.h> |
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| 12 | #include <asm/types.h> |
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| 13 | |||
| 14 | #define __PC9800SCA(type, pa) (*(type *) phys_to_virt(pa)) |
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| 15 | #define __PC9800SCA_TEST_BIT(pa, n) \ |
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| 16 | ((__PC9800SCA(u8, pa) & (1U << (n))) != 0) |
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| 17 | |||
| 18 | #define PC9800_HIGHRESO_P() __PC9800SCA_TEST_BIT(PC9800SCA_BIOS_FLAG, 3) |
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| 19 | #define PC9800_8MHz_P() __PC9800SCA_TEST_BIT(PC9800SCA_BIOS_FLAG, 7) |
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| 20 | |||
| 21 | /* 0x2198 is 98 21 on memory... */ |
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| 22 | #define PC9800_9821_P() (__PC9800SCA(u16, PC9821SCA_ROM_ID) == 0x2198) |
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| 23 | |||
| 24 | /* Note PC9821_...() are valid only when PC9800_9821_P() was true. */ |
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| 25 | #define PC9821_IDEIF_DOUBLE_P() __PC9800SCA_TEST_BIT(PC9821SCA_ROM_FLAG4, 4) |
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| 26 | |||
| 27 | #endif |