Rev 422 |
Blame |
Compare with Previous |
Last modification |
View Log
| RSS feed
/*
* PC-9800 machine types.
*
* Copyright (C) 1999 TAKAI Kosuke <tak@kmc.kyoto-u.ac.jp>
* (Linux/98 Project)
*/
#ifndef _ASM_PC9800_H_
#define _ASM_PC9800_H_
#include <asm/pc9800_sca.h>
#include <asm/types.h>
#define __PC9800SCA(type, pa) (*(type *) phys_to_virt(pa))
#define __PC9800SCA_TEST_BIT(pa, n) \
((__PC9800SCA(u8, pa) & (1U << (n))) != 0)
#define PC9800_HIGHRESO_P() __PC9800SCA_TEST_BIT(PC9800SCA_BIOS_FLAG, 3)
#define PC9800_8MHz_P() __PC9800SCA_TEST_BIT(PC9800SCA_BIOS_FLAG, 7)
/* 0x2198 is 98 21 on memory... */
#define PC9800_9821_P() (__PC9800SCA(u16, PC9821SCA_ROM_ID) == 0x2198)
/* Note PC9821_...() are valid only when PC9800_9821_P() was true. */
#define PC9821_IDEIF_DOUBLE_P() __PC9800SCA_TEST_BIT(PC9821SCA_ROM_FLAG4, 4)
#endif