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#include <asm/bootinfo-apollo.h>
9
10
11extern u_long apollo_model;
12
13
14/*
15   see scn2681 data sheet for more info.
16   member names are read_write.
17*/
18
19#define DECLARE_2681_FIELD(x) unsigned char x; unsigned char dummy##x
20
21struct SCN2681 {
22
23	DECLARE_2681_FIELD(mra);
24	DECLARE_2681_FIELD(sra_csra);
25	DECLARE_2681_FIELD(BRGtest_cra);
26	DECLARE_2681_FIELD(rhra_thra);
27	DECLARE_2681_FIELD(ipcr_acr);
28	DECLARE_2681_FIELD(isr_imr);
29	DECLARE_2681_FIELD(ctu_ctur);
30	DECLARE_2681_FIELD(ctl_ctlr);
31	DECLARE_2681_FIELD(mrb);
32	DECLARE_2681_FIELD(srb_csrb);
33	DECLARE_2681_FIELD(tst_crb);
34	DECLARE_2681_FIELD(rhrb_thrb);
35	DECLARE_2681_FIELD(reserved);
36	DECLARE_2681_FIELD(ip_opcr);
37	DECLARE_2681_FIELD(startCnt_setOutBit);
38	DECLARE_2681_FIELD(stopCnt_resetOutBit);
39
40};
41
42struct mc146818 {
43        unsigned char second, alarm_second;
44        unsigned char minute, alarm_minute;
45        unsigned char hours, alarm_hours;
46        unsigned char day_of_week, day_of_month;
47        unsigned char month, year;
48};
49
50
51#define IO_BASE 0x80000000
52
53extern u_long sio01_physaddr;
54extern u_long sio23_physaddr;
55extern u_long rtc_physaddr;
56extern u_long pica_physaddr;
57extern u_long picb_physaddr;
58extern u_long cpuctrl_physaddr;
59extern u_long timer_physaddr;
60
61#define SAU7_SIO01_PHYSADDR 0x10400
62#define SAU7_SIO23_PHYSADDR 0x10500
63#define SAU7_RTC_PHYSADDR 0x10900
64#define SAU7_PICA 0x11000
65#define SAU7_PICB 0x11100
66#define SAU7_CPUCTRL 0x10100
67#define SAU7_TIMER 0x010800
68
69#define SAU8_SIO01_PHYSADDR 0x8400
70#define SAU8_RTC_PHYSADDR 0x8900
71#define SAU8_PICA 0x9400
72#define SAU8_PICB 0x9500
73#define SAU8_CPUCTRL 0x8100
74#define SAU8_TIMER 0x8800
75
76#define sio01 ((*(volatile struct SCN2681 *)(IO_BASE + sio01_physaddr)))
77#define sio23 ((*(volatile struct SCN2681 *)(IO_BASE + sio23_physaddr)))
78#define rtc (((volatile struct mc146818 *)(IO_BASE + rtc_physaddr)))
79#define cpuctrl (*(volatile unsigned int *)(IO_BASE + cpuctrl_physaddr))
80#define pica (IO_BASE + pica_physaddr)
81#define picb (IO_BASE + picb_physaddr)
82#define apollo_timer (IO_BASE + timer_physaddr)
83#define addr_xlat_map ((unsigned short *)(IO_BASE + 0x17000))
84
85#define isaIO2mem(x) (((((x) & 0x3f8)  << 7) | (((x) & 0xfc00) >> 6) | ((x) & 0x7)) + 0x40000 + IO_BASE)
86
87#define IRQ_APOLLO	IRQ_USER
88
89#endif
90