xref: /openbmc/linux/arch/sparc/include/asm/auxio_64.h (revision bc5aa3a0)
1 /*
2  * auxio.h:  Definitions and code for the Auxiliary I/O registers.
3  *
4  * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
5  *
6  * Refactoring for unified NCR/PCIO support 2002 Eric Brower (ebrower@usa.net)
7  */
8 #ifndef _SPARC64_AUXIO_H
9 #define _SPARC64_AUXIO_H
10 
11 /* AUXIO implementations:
12  * sbus-based NCR89C105 "Slavio"
13  *	LED/Floppy (AUX1) register
14  *	Power (AUX2) register
15  *
16  * ebus-based auxio on PCIO
17  *	LED Auxio Register
18  *	Power Auxio Register
19  *
20  * Register definitions from NCR _NCR89C105 Chip Specification_
21  *
22  * SLAVIO AUX1 @ 0x1900000
23  * -------------------------------------------------
24  * | (R) | (R) |  D  | (R) |  E  |  M  |  T  |  L  |
25  * -------------------------------------------------
26  * (R) - bit 7:6,4 are reserved and should be masked in s/w
27  *  D  - Floppy Density Sense (1=high density) R/O
28  *  E  - Link Test Enable, directly reflected on AT&T 7213 LTE pin
29  *  M  - Monitor/Mouse Mux, directly reflected on MON_MSE_MUX pin
30  *  T  - Terminal Count: sends TC pulse to 82077 floppy controller
31  *  L  - System LED on front panel (0=off, 1=on)
32  */
33 #define AUXIO_AUX1_MASK		0xc0 /* Mask bits 		*/
34 #define AUXIO_AUX1_FDENS	0x20 /* Floppy Density Sense	*/
35 #define AUXIO_AUX1_LTE 		0x08 /* Link Test Enable 	*/
36 #define AUXIO_AUX1_MMUX		0x04 /* Monitor/Mouse Mux	*/
37 #define AUXIO_AUX1_FTCNT	0x02 /* Terminal Count, 	*/
38 #define AUXIO_AUX1_LED		0x01 /* System LED		*/
39 
40 /* SLAVIO AUX2 @ 0x1910000
41  * -------------------------------------------------
42  * | (R) | (R) |  D  | (R) | (R) | (R) |  C  |  F  |
43  * -------------------------------------------------
44  * (R) - bits 7:6,4:2 are reserved and should be masked in s/w
45  *  D  - Power Failure Detect (1=power fail)
46  *  C  - Clear Power Failure Detect Int (1=clear)
47  *  F  - Power Off (1=power off)
48  */
49 #define AUXIO_AUX2_MASK		0xdc /* Mask Bits		*/
50 #define AUXIO_AUX2_PFAILDET	0x20 /* Power Fail Detect	*/
51 #define AUXIO_AUX2_PFAILCLR 	0x02 /* Clear Pwr Fail Det Intr	*/
52 #define AUXIO_AUX2_PWR_OFF	0x01 /* Power Off		*/
53 
54 /* Register definitions from Sun Microsystems _PCIO_ p/n 802-7837
55  *
56  * PCIO LED Auxio @ 0x726000
57  * -------------------------------------------------
58  * |             31:1 Unused                 | LED |
59  * -------------------------------------------------
60  * Bits 31:1 unused
61  * LED - System LED on front panel (0=off, 1=on)
62  */
63 #define AUXIO_PCIO_LED		0x01 /* System LED 		*/
64 
65 /* PCIO Power Auxio @ 0x724000
66  * -------------------------------------------------
67  * |             31:2 Unused           | CPO | SPO |
68  * -------------------------------------------------
69  * Bits 31:2 unused
70  * CPO - Courtesy Power Off (1=off)
71  * SPO - System Power Off   (1=off)
72  */
73 #define AUXIO_PCIO_CPWR_OFF	0x02 /* Courtesy Power Off	*/
74 #define AUXIO_PCIO_SPWR_OFF	0x01 /* System Power Off	*/
75 
76 #ifndef __ASSEMBLY__
77 
78 #define AUXIO_LTE_ON	1
79 #define AUXIO_LTE_OFF	0
80 
81 /* auxio_set_lte - Set Link Test Enable (TPE Link Detect)
82  *
83  * on - AUXIO_LTE_ON or AUXIO_LTE_OFF
84  */
85 void auxio_set_lte(int on);
86 
87 #define AUXIO_LED_ON	1
88 #define AUXIO_LED_OFF	0
89 
90 /* auxio_set_led - Set system front panel LED
91  *
92  * on - AUXIO_LED_ON or AUXIO_LED_OFF
93  */
94 void auxio_set_led(int on);
95 
96 #endif /* ifndef __ASSEMBLY__ */
97 
98 #endif /* !(_SPARC64_AUXIO_H) */
99