1/* $NetBSD: tlsbreg.h,v 1.7 2022/01/01 22:01:18 andvar Exp $ */
2
3/*
4 * Copyright (c) 1997, 2000 by Matthew Jacob
5 * NASA AMES Research Center.
6 * All rights reserved.
7 *
8 * Based in part upon a prototype version by Jason Thorpe
9 * Copyright (c) 1996 by Jason Thorpe.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice immediately at the beginning of the file, without modification,
16 *    this list of conditions, and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
25 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34/*
35 * Definitions for the TurboLaser System Bus found on
36 * AlphaServer 8200/8400 systems.
37 */
38
39/*
40 * There are 9 TurboLaser nodes, 0 though 8.  Their uses are defined as
41 * follows:
42 *
43 *	Node	Module
44 *	----    ------
45 *	0	CPU, Memory
46 *	1	CPU, Memory
47 *	2	CPU, Memory
48 *	3	CPU, Memory
49 *	4	CPU, Memory, I/O
50 *	5	CPU, Memory, I/O
51 *	6	CPU, Memory, I/O
52 *	7	CPU, Memory, I/O
53 *	8	I/O
54 *
55 * A node occurs every 0x00400000 bytes.
56 *
57 * Note, the AlphaServer 8200 only has nodes 4 though 8.
58 */
59
60#define TLSB_NODE_BASE		0x000000ff88000000	/* Dense */
61#define TLSB_NODE_SIZE		0x00400000
62#define TLSB_NODE_MAX		8	/* inclusive */
63
64/* Translate a node number to an address. */
65#define TLSB_NODE_ADDR(_node)					\
66	(long)(TLSB_NODE_BASE + ((_node) * TLSB_NODE_SIZE))
67
68#define TLSB_NODE_REG_ADDR(_node, _reg)				\
69	KV((long)TLSB_NODE_ADDR((_node)) + (_reg))
70
71/* Access the specified register on the specified node. */
72#define TLSB_GET_NODEREG(_node, _reg)				\
73	*(volatile uint32_t *)(TLSB_NODE_REG_ADDR((_node), (_reg)))
74#define TLSB_PUT_NODEREG(_node, _reg, _val)			\
75	*(volatile uint32_t *)(TLSB_NODE_REG_ADDR((_node), (_reg))) = (_val)
76
77/*
78 * Some registers are shared by all TurboLaser nodes, and appear in
79 * the TurboLaser Broadcast space.
80 */
81#define TLSB_BCAST_BASE		0x000000ff8e000000	/* Dense */
82
83#define TLSB_BCAST_REG_ADDR(_reg)	KV((long)(TLSB_BCASE_BASE + (_reg)))
84
85/* Access the specified register in the broadcast space. */
86#define TLSB_GET_BCASTREG(_reg)					\
87	*(volatile uint32_t *)(TLSB_BCAST_REG_ADDR + (_reg))
88#define TLSB_PUT_BCASTREG(_reg, _val)				\
89	*(volatile uint32_t *)(TLSB_BCAST_REG_ADDR + (_reg)) = (_val)
90
91/*
92 * Location of the Gbus, the per-CPU bus containing the clock and
93 * console hardware.
94 */
95#define TLSB_GBUS_BASE		0x000000ff90000000	/* Dense */
96
97/*
98 * Note that not every module type supports each TurboLaser register.
99 * The following defines the keys used to denote module support for
100 * a given register:
101 *
102 *	C	Supported by CPU module
103 *	M	Supported by Memory module
104 *	I	Supported by I/O module
105 */
106
107/*
108 * Per-node TurboLaser System Bus registers, offsets from the
109 * base of the node.
110 */
111#define TLDEV		0x0000		/* CMI: Device Register */
112#define TLBER		0x0040		/* CMI: Bus Error Register */
113#define TLCNR		0x0080		/* CMI: Congfiguration Register */
114#define TLVID		0x00c0		/* CM: Virtual ID Register */
115#define TLMMR0		0x0200		/* CM: Memory Mapping Register 0 */
116#define TLMMR1		0x0240		/* CM: Memory Mapping Register 1 */
117#define TLMMR2		0x0280		/* CM: Memory Mapping Register 2 */
118#define TLMMR3		0x02c0		/* CM: Memory Mapping Register 3 */
119#define TLMMR4		0x0300		/* CM: Memory Mapping Register 4 */
120#define TLMMR5		0x0340		/* CM: Memory Mapping Register 5 */
121#define TLMMR6		0x0380		/* CM: Memory Mapping Register 6 */
122#define TLMMR7		0x03c0		/* CM: Memory Mapping Register 7 */
123#define TLFADR0		0x0600		/* MI: Failing Address Register 0 */
124#define TLFADR1		0x0640		/* MI: Failing Address Register 1 */
125#define TLESR0		0x0680		/* CMI: Error Syndrome Register 0 */
126#define TLESR1		0x06c0		/* CMI: Error Syndrome Register 1 */
127#define TLESR2		0x0700		/* CMI: Error Syndrome Register 2 */
128#define TLESR3		0x0740		/* CMI: Error Syndrome Register 3 */
129#define TLILID0		0x0a00		/* I: Int. Level 0 IDENT Register */
130#define TLILID1		0x0a40		/* I: Int. Level 1 IDENT Register */
131#define TLILID2		0x0a80		/* I: Int. Level 2 IDENT Register */
132#define TLILID3		0x0ac0		/* I: Int. Level 3 IDENT Register */
133#define TLCPUMASK	0x0b00		/* I: CPU Interrupt Mask Register */
134#define TLMBPTR		0x0c00		/* I: Mailbox Pointer Register */
135#define	TLINTRMASK0	0x1100		/* C: Interrupt Mask Register CPU 0 */
136#define	TLINTRMASK1	0x1140		/* C: Interrupt Mask Register CPU 1 */
137#define	TLINTRSUM0	0x1180		/* C: Interrupt Sum Register CPU 0 */
138#define	TLINTRSUM1	0x11C0		/* C: Interrupt Sum Register CPU 1 */
139#define	TLEPAERR	0x1500		/* C: ADG error register */
140#define	TLEPDERR	0x1540		/* C: DIGA error register */
141#define	TLEPMERR	0x1580		/* C: MMG error register */
142#define	TLDMCMD		0x1600		/* C: Data Mover Command */
143#define	TLDMADRA	0x1680		/* C: Data Mover Source */
144#define	TLDMADRB	0x16C0		/* C: Data Mover Destination */
145
146/*
147 * Registers shared between TurboLaser nodes, offsets from the
148 * TurboLaser Broadcast Base.
149 */
150#define TLPRIVATE	0x0000		/* CMI: private "global" space */
151#define TLIPINTR	0x0040		/* C: Interprocessor Int. Register */
152#define TLIOINTR4	0x0100		/* C: I/O Interrupt Register 4 */
153#define TLIOINTR5	0x0140		/* C: I/O Interrupt Register 5 */
154#define TLIOINTR6	0x0180		/* C: I/O Interrupt Register 6 */
155#define TLIOINTR7	0x01c0		/* C: I/O Interrupt Register 7 */
156#define TLIOINTR8	0x0200		/* C: I/O Interrupt Register 8 */
157#define TLWSDQR4	0x0400		/* C: Win Spc Dcr Que Ctr Reg 4 */
158#define TLWSDQR5	0x0440		/* C: Win Spc Dcr Que Ctr Reg 5 */
159#define TLWSDQR6	0x0480		/* C: Win Spc Dcr Que Ctr Reg 6 */
160#define TLWSDQR7	0x04c0		/* C: Win Spc Dcr Que Ctr Reg 7 */
161#define TLWSDQR8	0x0500		/* C: Win Spc Dcr Que Ctr Reg 8 */
162#define TLRMDQRX	0x0600		/* C: Mem Chan Dcr Que Ctr Reg X */
163#define TLRMDQR8	0x0640		/* C: Mem Chan Dcr Que Ctr Reg 8 */
164#define TLRDRD		0x0800		/* C: CSR Read Data Rtn Data Reg */
165#define TLRDRE		0x0840		/* C: CSR Read Data Rtn Error Reg */
166#define TLMCR		0x1880		/* M: Memory Control Register */
167
168/*
169 * TLDEV - Device Register
170 *
171 * Access: R/W
172 *
173 * Notes:
174 *	Register is loaded during initialization with information
175 *	that identifies a node.  A zero value indicates a non-initialized
176 *	(slot empty) node.
177 *
178 *	Bits 0-15 contain the hardware device type, bits 16-23
179 *	the board's software revision, and bits 24-31 the board's
180 *	hardware revision.
181 *
182 *	The device type portion is laid out as follows:
183 *
184 *		Bit 15: identifies a CPU
185 *		Bit 14: identifies a memory board
186 *		Bit 13: identifies an I/O board
187 *		Bits 0-7: specify the ID of a node type
188 */
189#define TLDEV_DTYPE_MASK	0x0000ffff
190#define TLDEV_DTYPE_KFTHA	0x2000		/* KFTHA board, I/O */
191#define TLDEV_DTYPE_KFTIA	0x2020		/* KFTIA board, I/O */
192#define TLDEV_DTYPE_MS7CC	0x5000		/* Memory board */
193#define TLDEV_DTYPE_SCPU4	0x8011		/* 1 CPU, 4mb cache */
194#define TLDEV_DTYPE_SCPU16	0x8012		/* 1 CPU, 16mb cache */
195#define TLDEV_DTYPE_DCPU4	0x8014		/* 2 CPU, 4mb cache */
196#define TLDEV_DTYPE_DCPU16	0x8015		/* 2 CPU, 16mb cache */
197
198#define TLDEV_DTYPE(_val)	((_val) & TLDEV_DTYPE_MASK)
199#	define	TLDEV_ISCPU(_val)	(TLDEV_DTYPE(_val) & 0x8000)
200#	define	TLDEV_ISMEM(_val)	(TLDEV_DTYPE(_val) & 0x4000)
201#	define	TLDEV_ISIOPORT(_val)	(TLDEV_DTYPE(_val) & 0x2000)
202#define TLDEV_SWREV(_val)	(((_val) >> 16) & 0xff)
203#define TLDEV_HWREV(_val)	(((_val) >> 24) & 0xff)
204
205/*
206 * TLBER - Bus Error Register
207 *
208 * Access: R/W
209 *
210 * Notes:
211 *	This register contains information about TLSB errors detected by
212 *	nodes on the TLSB.  The register will become locked when:
213 *
214 *		* Any error occurs and the "lock on first error"
215 *		  bit of the Configuration Register is set.
216 *
217 *		* Any bit other than 20-23 (DS0-DS3) becomes set.
218 *
219 *	and will remain locked until either:
220 *
221 *		* All bits in the TLBER are cleared.
222 *
223 *		* The "lock on first error" bit is cleared.
224 *
225 *	TLBER locking is intended for diagnostic purposes only, and
226 *	not for general use.
227 */
228#define TLBER_ATCE	0x00000001	/* Addr Transmit Ck Error */
229#define TLBER_APE	0x00000002	/* Addr Parity Error */
230#define TLBER_BAE	0x00000004	/* Bank Avail Violation Error */
231#define TLBER_LKTO	0x00000008	/* Bank Lock Timeout */
232#define TLBER_NAE	0x00000010	/* No Ack Error */
233#define TLBER_RTCE	0x00000020	/* Read Transmit Ck Error */
234#define TLBER_ACKTCE	0x00000040	/* Ack Transmit Ck Error */
235#define TLBER_MMRE	0x00000080	/* Mem Mapping Register Error */
236#define TLBER_FNAE	0x00000100	/* Fatal No Ack Error */
237#define TLBER_REQDE	0x00000200	/* Request Deassertion Error */
238#define TLBER_ATDE	0x00000400	/* Addredd Transmitter During Error */
239#define TLBER_UDE	0x00010000	/* Uncorrectable Data Error */
240#define TLBER_CWDE	0x00020000	/* Correctable Write Data Error */
241#define TLBER_CRDE	0x00040000	/* Correctable Read Data Error */
242#define TLBER_CRDE2	0x00080000	/* ...ditto... */
243#define TLBER_DS0	0x00100000	/* Data Synd 0 */
244#define TLBER_DS1	0x00200000	/* Data Synd 1 */
245#define TLBER_DS2	0x00400000	/* Data Synd 2 */
246#define TLBER_DS3	0x00800000	/* Data Synd 3 */
247#define TLBER_DTDE	0x01000000	/* Data Transmitter During Error */
248#define TLBER_FDTCE	0x02000000	/* Fatal Data Transmit Ck Error */
249#define TLBER_UACKE	0x04000000	/* Unexpected Ack Error */
250#define TLBER_ABTCE	0x08000000	/* Addr Bus Transmit Error */
251#define TLBER_DCTCE	0x10000000	/* Data Control Transmit Ck Error */
252#define TLBER_SEQE	0x20000000	/* Sequence Error */
253#define TLBER_DSE	0x40000000	/* Data Status Error */
254#define TLBER_DTO	0x80000000	/* Data Timeout Error */
255
256/*
257 * TLCNR - Configuration Register
258 *
259 * Access: R/W
260 */
261#define TLCNR_CWDD	0x00000001	/* Corr Write Data Err INTR Dis */
262#define TLCNR_CRDD	0x00000002	/* Corr Read Data Err INTR Dis */
263#define TLCNR_LKTOD	0x00000004	/* Bank Lock Timeout Disable */
264#define TLCNR_DTOD	0x00000008	/* Data Timeout Disable */
265#define TLCNR_STF_A	0x00001000	/* Self-Test Fail A */
266#define TLCNR_STF_B	0x00002000	/* Self-Test Fail B */
267#define TLCNR_HALT_A	0x00100000	/* Halt A */
268#define TLCNR_HALT_B	0x00200000	/* Halt B */
269#define TLCNR_RSTSTAT	0x10000000	/* Reset Status */
270#define TLCNR_NRST	0x40000000	/* Node Reset */
271#define TLCNR_LOFE	0x80000000	/* Lock On First Error */
272
273#define TLCNR_NODE_MASK	0x000000f0	/* Node ID mask */
274#define TLCNR_NODE_SHIFT	 4
275
276#define TLCNR_VCNT_MASK	0x00000f00	/* VCNT mask */
277#define TLCNR_VCNT_SHIFT	 8
278
279/*
280 * TLVID - Virtual ID Register
281 *
282 * Access: R/W
283 *
284 * Notes:
285 *	Virtual units can be CPUs or Memory boards.  The units are
286 *	are addressed using virtual IDs.  These virtual IDs are assigned
287 *	by writing to the TLVID register.  The upper 24 bits of this
288 *	register are reserved and must be written as `0'.
289 */
290#define TLVID_VIDA_MASK	0x0000000f	/* Virtual ID for unit 0 */
291#define TLVID_VIDA_SHIFT	 0
292
293#define TLVID_VIDB_MASK	0x000000f0	/* Virtual ID for unit 1 */
294#define TLVID_VIDB_SHIFT	 4
295
296/*
297 * TLMMRn - Memory Mapping Registers
298 *
299 * Access: W
300 *
301 * Notes:
302 *	Contains mapping information for doing a bank-decode.
303 */
304#define TLMMR_INTMASK	0x00000003	/* Valid bits in Interleave */
305#define TLMMR_ADRMASK	0x000000f0	/* Valid bits in Address */
306#define TLMMR_SBANK	0x00000800	/* Single-bank indicator */
307#define TLMMR_VALID	0x80000000	/* Indicated mapping is valid */
308
309#define TLMMR_INTLV_MASK 0x00000700	/* Mask for interleave value */
310#define TLMMR_INTLV_SHIFT	  8
311
312#define TLMMR_ADDRESS_MASK 0x03fff000	/* Mask for address value */
313#define TLMMR_ADDRESS_SHIFT	   12
314
315/*
316 * TLFADRn - Failing Address Registers
317 *
318 * Access: R/W
319 *
320 * Notes:
321 *	These registers contain status information for a failed address.
322 *	Not all nodes preserve this information.  The validation bits
323 *	indicate the validity of a given field.
324 */
325
326
327/*
328 * CPU Interrupt Mask Register
329 *
330 * The PAL code reads this register for each CPU on a TLSB CPU board
331 * to see what is or isn't enabled.
332 */
333#define	TLINTRMASK_CONHALT	0x100	/* Enable ^P Halt */
334#define	TLINTRMASK_HALT		0x080	/* Enable Halt */
335#define	TLINTRMASK_CLOCK	0x040	/* Enable Clock Interrupts */
336#define	TLINTRMASK_XCALL	0x020	/* Enable Interprocessor Interrupts */
337#define	TLINTRMASK_IPL17	0x010	/* Enable IPL 17 Interrupts */
338#define	TLINTRMASK_IPL16	0x008	/* Enable IPL 16 Interrupts */
339#define	TLINTRMASK_IPL15	0x004	/* Enable IPL 15 Interrupts */
340#define	TLINTRMASK_IPL14	0x002	/* Enable IPL 14 Interrupts */
341#define	TLINTRMASK_DUART	0x001	/* Enable GBUS Duart0 Interrupts */
342
343/*
344 * CPU Interrupt Summary Register
345 *
346 * The PAL code reads this register at interrupt time to figure out
347 * which interrupt line to assert to the CPU. Note that when the
348 * interrupt is actually vectored through the PAL code, it arrives
349 * here already presorted as to type (clock, halt, iointr).
350 */
351#define	TLINTRSUM_HALT		(1 << 28)	/* Halted via TLCNR register */
352#define	TLINTRSUM_CONHALT	(1 << 27)	/* Halted via ^P (W1C) */
353#define	TLINTRSUM_CLOCK		(1 << 6)	/* Clock Interrupt (W1C) */
354#define	TLINTRSUM_XCALL		(1 << 5)	/* Interprocessor Int (W1C) */
355#define	TLINTRSUM_IPL17		(1 << 4)	/* IPL 17 Interrupt Summary */
356#define	TLINTRSUM_IPL16		(1 << 3)	/* IPL 16 Interrupt Summary */
357#define	TLINTRSUM_IPL15		(1 << 2)	/* IPL 15 Interrupt Summary */
358#define	TLINTRSUM_IPL14		(1 << 1)	/* IPL 14 Interrupt Summary */
359#define	TLINTRSUM_DUART		(1 << 0)	/* Duart Int (W1C) */
360/* after checking the summaries, you can get the source node for each level */
361#define	TLINTRSUM_IPL17_SOURCE(x)	((x >> 22) & 0x1f)
362#define	TLINTRSUM_IPL16_SOURCE(x)	((x >> 17) & 0x1f)
363#define	TLINTRSUM_IPL15_SOURCE(x)	((x >> 12) & 0x1f)
364#define	TLINTRSUM_IPL14_SOURCE(x)	((x >> 7) & 0x1f)
365
366/*
367 * (some of) TurboLaser CPU ADG error register defines.
368 */
369#define	TLEPAERR_IBOX_TMO	0x1800	/* window space read failed */
370#define	TLEPAERR_WSPC_RD	0x0600	/* window space read failed */
371
372/*
373 * (some of) TurboLaser CPU DIGA error register defines.
374 */
375#define	TLEPDERR_GBTMO		0x4	/* GBus timeout */
376
377/*
378 * Platform specific uncorrectable machine check logout frame.
379 */
380struct tlsb_mchk_fatal {
381	uint64_t	rsvdheader;
382	uint32_t	tldev;
383	uint32_t	tlber;
384	uint32_t	tlcnr;
385	uint32_t	tlvid;
386	uint32_t	tlesr0;
387	uint32_t	tlesr1;
388	uint32_t	tlesr2;
389	uint32_t	tlesr3;
390	uint32_t	tlepaerr;
391	uint32_t	tlmodconfig;
392	uint32_t	tlepmerr;
393	uint32_t	tlepderr;
394	uint32_t	tlintrmask0;
395	uint32_t	tlintrmask1;
396	uint32_t	tlintrsum0;
397	uint32_t	tlintrsum1;
398	uint32_t	tlep_vmg;
399	uint32_t	spare[5];
400};
401/*
402 * Magic values from Digital Unix- if these bits are set in these
403 * registers in the fatal mcheck frame, then we *don't* take a look
404 * at system TLSB registers.
405 */
406#define	AERR_NO_TLSBSNAP	0x7B	/* errors on bits TLEPAERR <6:3,1,0>  */
407#define	DERR_NO_TLSBSNAP	0x07	/* errors on bits TLEPDERR <2:0>  */
408#define	MERR_NO_TLSBSNAP	0x3F	/* errors on bits TLEPMERR <5:0>  */
409
410/*
411 * Platform specific correctable machine check logout frame.
412 */
413struct tlsb_mchk_soft {
414	uint64_t	rsvdheader;
415	uint32_t	tldev;
416	uint32_t	tlber;
417	uint32_t	tlesr0;
418	uint32_t	tlesr1;
419	uint32_t	tlesr2;
420	uint32_t	tlesr3;
421};
422