xref: /linux/arch/sparc/include/asm/fhc.h (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* fhc.h: FHC and Clock board register definitions.
3  *
4  * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com)
5  */
6 
7 #ifndef _SPARC64_FHC_H
8 #define _SPARC64_FHC_H
9 
10 /* Clock board register offsets. */
11 #define CLOCK_CTRL	0x00UL	/* Main control */
12 #define CLOCK_STAT1	0x10UL	/* Status one */
13 #define CLOCK_STAT2	0x20UL	/* Status two */
14 #define CLOCK_PWRSTAT	0x30UL	/* Power status */
15 #define CLOCK_PWRPRES	0x40UL	/* Power presence */
16 #define CLOCK_TEMP	0x50UL	/* Temperature */
17 #define CLOCK_IRQDIAG	0x60UL	/* IRQ diagnostics */
18 #define CLOCK_PWRSTAT2	0x70UL	/* Power status two */
19 
20 #define CLOCK_CTRL_LLED		0x04	/* Left LED, 0 == on */
21 #define CLOCK_CTRL_MLED		0x02	/* Mid LED, 1 == on */
22 #define CLOCK_CTRL_RLED		0x01	/* RIght LED, 1 == on */
23 
24 /* Firehose controller register offsets */
25 #define FHC_PREGS_ID	0x00UL	/* FHC ID */
26 #define  FHC_ID_VERS		0xf0000000 /* Version of this FHC		*/
27 #define  FHC_ID_PARTID		0x0ffff000 /* Part ID code (0x0f9f == FHC)	*/
28 #define  FHC_ID_MANUF		0x0000007e /* Manufacturer (0x3e == SUN's JEDEC)*/
29 #define  FHC_ID_RESV		0x00000001 /* Read as one			*/
30 #define FHC_PREGS_RCS	0x10UL	/* FHC Reset Control/Status Register */
31 #define  FHC_RCS_POR		0x80000000 /* Last reset was a power cycle	*/
32 #define  FHC_RCS_SPOR		0x40000000 /* Last reset was sw power on reset	*/
33 #define  FHC_RCS_SXIR		0x20000000 /* Last reset was sw XIR reset	*/
34 #define  FHC_RCS_BPOR		0x10000000 /* Last reset was due to POR button	*/
35 #define  FHC_RCS_BXIR		0x08000000 /* Last reset was due to XIR button	*/
36 #define  FHC_RCS_WEVENT		0x04000000 /* CPU reset was due to wakeup event	*/
37 #define  FHC_RCS_CFATAL		0x02000000 /* Centerplane Fatal Error signalled	*/
38 #define  FHC_RCS_FENAB		0x01000000 /* Fatal errors elicit system reset	*/
39 #define FHC_PREGS_CTRL	0x20UL	/* FHC Control Register */
40 #define  FHC_CONTROL_ICS	0x00100000 /* Ignore Centerplane Signals	*/
41 #define  FHC_CONTROL_FRST	0x00080000 /* Fatal Error Reset Enable		*/
42 #define  FHC_CONTROL_LFAT	0x00040000 /* AC/DC signalled a local error	*/
43 #define  FHC_CONTROL_SLINE	0x00010000 /* Firmware Synchronization Line	*/
44 #define  FHC_CONTROL_DCD	0x00008000 /* DC-->DC Converter Disable		*/
45 #define  FHC_CONTROL_POFF	0x00004000 /* AC/DC Controller PLL Disable	*/
46 #define  FHC_CONTROL_FOFF	0x00002000 /* FHC Controller PLL Disable	*/
47 #define  FHC_CONTROL_AOFF	0x00001000 /* CPU A SRAM/SBD Low Power Mode	*/
48 #define  FHC_CONTROL_BOFF	0x00000800 /* CPU B SRAM/SBD Low Power Mode	*/
49 #define  FHC_CONTROL_PSOFF	0x00000400 /* Turns off this FHC's power supply	*/
50 #define  FHC_CONTROL_IXIST	0x00000200 /* 0=FHC tells clock board it exists	*/
51 #define  FHC_CONTROL_XMSTR	0x00000100 /* 1=Causes this FHC to be XIR master*/
52 #define  FHC_CONTROL_LLED	0x00000040 /* 0=Left LED ON			*/
53 #define  FHC_CONTROL_MLED	0x00000020 /* 1=Middle LED ON			*/
54 #define  FHC_CONTROL_RLED	0x00000010 /* 1=Right LED			*/
55 #define  FHC_CONTROL_BPINS	0x00000003 /* Spare Bidirectional Pins		*/
56 #define FHC_PREGS_BSR	0x30UL	/* FHC Board Status Register */
57 #define  FHC_BSR_DA64		0x00040000 /* Port A: 0=128bit 1=64bit data path */
58 #define  FHC_BSR_DB64		0x00020000 /* Port B: 0=128bit 1=64bit data path */
59 #define  FHC_BSR_BID		0x0001e000 /* Board ID                           */
60 #define  FHC_BSR_SA		0x00001c00 /* Port A UPA Speed (from the pins)   */
61 #define  FHC_BSR_SB		0x00000380 /* Port B UPA Speed (from the pins)   */
62 #define  FHC_BSR_NDIAG		0x00000040 /* Not in Diag Mode                   */
63 #define  FHC_BSR_NTBED		0x00000020 /* Not in TestBED Mode                */
64 #define  FHC_BSR_NIA		0x0000001c /* Jumper, bit 18 in PROM space       */
65 #define  FHC_BSR_SI		0x00000001 /* Spare input pin value              */
66 #define FHC_PREGS_ECC	0x40UL	/* FHC ECC Control Register (16 bits) */
67 #define FHC_PREGS_JCTRL	0xf0UL	/* FHC JTAG Control Register */
68 #define  FHC_JTAG_CTRL_MENAB	0x80000000 /* Indicates this is JTAG Master	 */
69 #define  FHC_JTAG_CTRL_MNONE	0x40000000 /* Indicates no JTAG Master present	 */
70 #define FHC_PREGS_JCMD	0x100UL	/* FHC JTAG Command Register */
71 #define FHC_IREG_IGN	0x00UL	/* This FHC's IGN */
72 #define FHC_FFREGS_IMAP	0x00UL	/* FHC Fanfail IMAP */
73 #define FHC_FFREGS_ICLR	0x10UL	/* FHC Fanfail ICLR */
74 #define FHC_SREGS_IMAP	0x00UL	/* FHC System IMAP */
75 #define FHC_SREGS_ICLR	0x10UL	/* FHC System ICLR */
76 #define FHC_UREGS_IMAP	0x00UL	/* FHC Uart IMAP */
77 #define FHC_UREGS_ICLR	0x10UL	/* FHC Uart ICLR */
78 #define FHC_TREGS_IMAP	0x00UL	/* FHC TOD IMAP */
79 #define FHC_TREGS_ICLR	0x10UL	/* FHC TOD ICLR */
80 
81 #endif /* !(_SPARC64_FHC_H) */
82