Subversion Repositories shark

Rev

Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed

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