xref: /openbmc/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