xref: /openbmc/linux/arch/m68k/include/asm/apollohw.h (revision 52fb57e7)
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 
11 extern 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 
21 struct 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 
42 struct 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 
53 extern u_long sio01_physaddr;
54 extern u_long sio23_physaddr;
55 extern u_long rtc_physaddr;
56 extern u_long pica_physaddr;
57 extern u_long picb_physaddr;
58 extern u_long cpuctrl_physaddr;
59 extern 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