xref: /openbmc/linux/arch/m68k/include/asm/mvme16xhw.h (revision d0b73b48)
1 #ifndef _M68K_MVME16xHW_H_
2 #define _M68K_MVME16xHW_H_
3 
4 #include <asm/irq.h>
5 
6 /* Board ID data structure - pointer to this retrieved from Bug by head.S */
7 
8 /* Note, bytes 12 and 13 are board no in BCD (0162,0166,0167,0177,etc) */
9 
10 extern long mvme_bdid_ptr;
11 
12 typedef struct {
13 	char	bdid[4];
14 	u_char	rev, mth, day, yr;
15 	u_short	size, reserved;
16 	u_short	brdno;
17 	char brdsuffix[2];
18 	u_long	options;
19 	u_short	clun, dlun, ctype, dnum;
20 	u_long	option2;
21 } t_bdid, *p_bdid;
22 
23 
24 typedef struct {
25 	u_char	ack_icr,
26 		flt_icr,
27 		sel_icr,
28 		pe_icr,
29 		bsy_icr,
30 		spare1,
31 		isr,
32 		cr,
33 		spare2,
34 		spare3,
35 		spare4,
36 		data;
37 } MVMElp, *MVMElpPtr;
38 
39 #define MVME_LPR_BASE	0xfff42030
40 
41 #define mvmelp   ((*(volatile MVMElpPtr)(MVME_LPR_BASE)))
42 
43 typedef struct {
44 	unsigned char
45 		ctrl,
46 		bcd_sec,
47 		bcd_min,
48 		bcd_hr,
49 		bcd_dow,
50 		bcd_dom,
51 		bcd_mth,
52 		bcd_year;
53 } MK48T08_t, *MK48T08ptr_t;
54 
55 #define RTC_WRITE	0x80
56 #define RTC_READ	0x40
57 #define RTC_STOP	0x20
58 
59 #define MVME_RTC_BASE	0xfffc1ff8
60 
61 #define MVME_I596_BASE	0xfff46000
62 
63 #define MVME_SCC_A_ADDR	0xfff45005
64 #define MVME_SCC_B_ADDR	0xfff45001
65 #define MVME_SCC_PCLK	10000000
66 
67 #define MVME162_IRQ_TYPE_PRIO	0
68 
69 #define MVME167_IRQ_PRN		(IRQ_USER+20)
70 #define MVME16x_IRQ_I596	(IRQ_USER+23)
71 #define MVME16x_IRQ_SCSI	(IRQ_USER+21)
72 #define MVME16x_IRQ_FLY		(IRQ_USER+63)
73 #define MVME167_IRQ_SER_ERR	(IRQ_USER+28)
74 #define MVME167_IRQ_SER_MODEM	(IRQ_USER+29)
75 #define MVME167_IRQ_SER_TX	(IRQ_USER+30)
76 #define MVME167_IRQ_SER_RX	(IRQ_USER+31)
77 #define MVME16x_IRQ_TIMER	(IRQ_USER+25)
78 #define MVME167_IRQ_ABORT	(IRQ_USER+46)
79 #define MVME162_IRQ_ABORT	(IRQ_USER+30)
80 
81 /* SCC interrupts, for MVME162 */
82 #define MVME162_IRQ_SCC_BASE		(IRQ_USER+0)
83 #define MVME162_IRQ_SCCB_TX		(IRQ_USER+0)
84 #define MVME162_IRQ_SCCB_STAT		(IRQ_USER+2)
85 #define MVME162_IRQ_SCCB_RX		(IRQ_USER+4)
86 #define MVME162_IRQ_SCCB_SPCOND		(IRQ_USER+6)
87 #define MVME162_IRQ_SCCA_TX		(IRQ_USER+8)
88 #define MVME162_IRQ_SCCA_STAT		(IRQ_USER+10)
89 #define MVME162_IRQ_SCCA_RX		(IRQ_USER+12)
90 #define MVME162_IRQ_SCCA_SPCOND		(IRQ_USER+14)
91 
92 /* MVME162 version register */
93 
94 #define MVME162_VERSION_REG	0xfff4202e
95 
96 extern unsigned short mvme16x_config;
97 
98 /* Lower 8 bits must match the revision register in the MC2 chip */
99 
100 #define MVME16x_CONFIG_SPEED_32		0x0001
101 #define MVME16x_CONFIG_NO_VMECHIP2	0x0002
102 #define MVME16x_CONFIG_NO_SCSICHIP	0x0004
103 #define MVME16x_CONFIG_NO_ETHERNET	0x0008
104 #define MVME16x_CONFIG_GOT_FPU		0x0010
105 
106 #define MVME16x_CONFIG_GOT_LP		0x0100
107 #define MVME16x_CONFIG_GOT_CD2401	0x0200
108 #define MVME16x_CONFIG_GOT_SCCA		0x0400
109 #define MVME16x_CONFIG_GOT_SCCB		0x0800
110 
111 #endif
112