xref: /linux/arch/m68k/include/asm/mvme16xhw.h (revision 498495dba268b20e8eadd7fe93c140c68b6cc9d2)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _M68K_MVME16xHW_H_
3 #define _M68K_MVME16xHW_H_
4 
5 #include <asm/irq.h>
6 
7 
8 typedef struct {
9 	u_char	ack_icr,
10 		flt_icr,
11 		sel_icr,
12 		pe_icr,
13 		bsy_icr,
14 		spare1,
15 		isr,
16 		cr,
17 		spare2,
18 		spare3,
19 		spare4,
20 		data;
21 } MVMElp, *MVMElpPtr;
22 
23 #define MVME_LPR_BASE	0xfff42030
24 
25 #define mvmelp   ((*(volatile MVMElpPtr)(MVME_LPR_BASE)))
26 
27 typedef struct {
28 	unsigned char
29 		ctrl,
30 		bcd_sec,
31 		bcd_min,
32 		bcd_hr,
33 		bcd_dow,
34 		bcd_dom,
35 		bcd_mth,
36 		bcd_year;
37 } MK48T08_t, *MK48T08ptr_t;
38 
39 #define RTC_WRITE	0x80
40 #define RTC_READ	0x40
41 #define RTC_STOP	0x20
42 
43 #define MVME_RTC_BASE	0xfffc1ff8
44 
45 #define MVME_I596_BASE	0xfff46000
46 
47 #define MVME_SCC_A_ADDR	0xfff45005
48 #define MVME_SCC_B_ADDR	0xfff45001
49 #define MVME_SCC_PCLK	10000000
50 
51 #define MVME162_IRQ_TYPE_PRIO	0
52 
53 #define MVME167_IRQ_PRN		(IRQ_USER+20)
54 #define MVME16x_IRQ_I596	(IRQ_USER+23)
55 #define MVME16x_IRQ_SCSI	(IRQ_USER+21)
56 #define MVME16x_IRQ_FLY		(IRQ_USER+63)
57 #define MVME167_IRQ_SER_ERR	(IRQ_USER+28)
58 #define MVME167_IRQ_SER_MODEM	(IRQ_USER+29)
59 #define MVME167_IRQ_SER_TX	(IRQ_USER+30)
60 #define MVME167_IRQ_SER_RX	(IRQ_USER+31)
61 #define MVME16x_IRQ_TIMER	(IRQ_USER+25)
62 #define MVME167_IRQ_ABORT	(IRQ_USER+46)
63 #define MVME162_IRQ_ABORT	(IRQ_USER+30)
64 
65 /* SCC interrupts, for MVME162 */
66 #define MVME162_IRQ_SCC_BASE		(IRQ_USER+0)
67 #define MVME162_IRQ_SCCB_TX		(IRQ_USER+0)
68 #define MVME162_IRQ_SCCB_STAT		(IRQ_USER+2)
69 #define MVME162_IRQ_SCCB_RX		(IRQ_USER+4)
70 #define MVME162_IRQ_SCCB_SPCOND		(IRQ_USER+6)
71 #define MVME162_IRQ_SCCA_TX		(IRQ_USER+8)
72 #define MVME162_IRQ_SCCA_STAT		(IRQ_USER+10)
73 #define MVME162_IRQ_SCCA_RX		(IRQ_USER+12)
74 #define MVME162_IRQ_SCCA_SPCOND		(IRQ_USER+14)
75 
76 /* MVME162 version register */
77 
78 #define MVME162_VERSION_REG	0xfff4202e
79 
80 extern unsigned short mvme16x_config;
81 
82 /* Lower 8 bits must match the revision register in the MC2 chip */
83 
84 #define MVME16x_CONFIG_SPEED_32		0x0001
85 #define MVME16x_CONFIG_NO_VMECHIP2	0x0002
86 #define MVME16x_CONFIG_NO_SCSICHIP	0x0004
87 #define MVME16x_CONFIG_NO_ETHERNET	0x0008
88 #define MVME16x_CONFIG_GOT_FPU		0x0010
89 
90 #define MVME16x_CONFIG_GOT_LP		0x0100
91 #define MVME16x_CONFIG_GOT_CD2401	0x0200
92 #define MVME16x_CONFIG_GOT_SCCA		0x0400
93 #define MVME16x_CONFIG_GOT_SCCB		0x0800
94 
95 #endif
96