tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* apollohw.h : some structures to access apollo HW */
2
3#ifndef _ASMm68k_APOLLOHW_H_
4#define _ASMm68k_APOLLOHW_H_
5
6#include <linux/types.h>
7
8/*
9 apollo models
10*/
11
12extern u_long apollo_model;
13
14#define APOLLO_UNKNOWN (0)
15#define APOLLO_DN3000 (1)
16#define APOLLO_DN3010 (2)
17#define APOLLO_DN3500 (3)
18#define APOLLO_DN4000 (4)
19#define APOLLO_DN4500 (5)
20
21/*
22 see scn2681 data sheet for more info.
23 member names are read_write.
24*/
25
26#define DECLARE_2681_FIELD(x) unsigned char x; unsigned char dummy##x
27
28struct SCN2681 {
29
30 DECLARE_2681_FIELD(mra);
31 DECLARE_2681_FIELD(sra_csra);
32 DECLARE_2681_FIELD(BRGtest_cra);
33 DECLARE_2681_FIELD(rhra_thra);
34 DECLARE_2681_FIELD(ipcr_acr);
35 DECLARE_2681_FIELD(isr_imr);
36 DECLARE_2681_FIELD(ctu_ctur);
37 DECLARE_2681_FIELD(ctl_ctlr);
38 DECLARE_2681_FIELD(mrb);
39 DECLARE_2681_FIELD(srb_csrb);
40 DECLARE_2681_FIELD(tst_crb);
41 DECLARE_2681_FIELD(rhrb_thrb);
42 DECLARE_2681_FIELD(reserved);
43 DECLARE_2681_FIELD(ip_opcr);
44 DECLARE_2681_FIELD(startCnt_setOutBit);
45 DECLARE_2681_FIELD(stopCnt_resetOutBit);
46
47};
48
49#if 0
50struct mc146818 {
51
52 unsigned int second1:4, second2:4, alarm_second1:4, alarm_second2:4,
53 minute1:4, minute2:4, alarm_minute1:4, alarm_minute2:4;
54 unsigned int hours1:4, hours2:4, alarm_hours1:4, alarm_hours2:4,
55 day_of_week1:4, day_of_week2:4, day_of_month1:4, day_of_month2:4;
56 unsigned int month1:4, month2:4, year1:4, year2:4, :16;
57
58};
59#endif
60
61struct mc146818 {
62 unsigned char second, alarm_second;
63 unsigned char minute, alarm_minute;
64 unsigned char hours, alarm_hours;
65 unsigned char day_of_week, day_of_month;
66 unsigned char month, year;
67};
68
69
70#define IO_BASE 0x80000000
71
72extern u_long sio01_physaddr;
73extern u_long sio23_physaddr;
74extern u_long rtc_physaddr;
75extern u_long pica_physaddr;
76extern u_long picb_physaddr;
77extern u_long cpuctrl_physaddr;
78extern u_long timer_physaddr;
79
80#define SAU7_SIO01_PHYSADDR 0x10400
81#define SAU7_SIO23_PHYSADDR 0x10500
82#define SAU7_RTC_PHYSADDR 0x10900
83#define SAU7_PICA 0x11000
84#define SAU7_PICB 0x11100
85#define SAU7_CPUCTRL 0x10100
86#define SAU7_TIMER 0x010800
87
88#define SAU8_SIO01_PHYSADDR 0x8400
89#define SAU8_RTC_PHYSADDR 0x8900
90#define SAU8_PICA 0x9400
91#define SAU8_PICB 0x9500
92#define SAU8_CPUCTRL 0x8100
93#define SAU8_TIMER 0x8800
94
95#define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr)))
96#define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr)))
97#define rtc (((volatile struct mc146818 *)(IO_BASE + rtc_physaddr)))
98#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr))
99#define pica (IO_BASE + pica_physaddr)
100#define picb (IO_BASE + picb_physaddr)
101#define timer (IO_BASE + timer_physaddr)
102#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000))
103
104#define isaIO2mem(x) (((((x) & 0x3f8) << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)
105
106#define IRQ_APOLLO IRQ_USER
107
108#endif