xref: /titanic_41/usr/src/uts/sun4u/starfire/sys/pda.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1998-2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_PDA_H
28 #define	_SYS_PDA_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 #include <sys/types.h>
37 
38 /*
39  * Contains definitions used for PDA (Post Descriptor Array) [post2obp]
40  * support.
41  *
42  * XXX - These data structures is defined in SSP-land in:
43  *	 src/post/export/xf_postif.h.  It is not anticipated
44  *	 that any future changes will be made to this data
45  *	 structure so we'll allow this hack on this go around.
46  */
47 
48 #define	MAX_ABUSES		4	/* Address buses */
49 #define	MAX_DBUSES		2	/* Data buses */
50 
51 #define	MAX_SYSBDS		16	/* no more than 16 system boards */
52 #define	MAX_PROCMODS		4	/* Per system board */
53 #define	MAX_PC			3	/* Per system board */
54 #define	MAX_XDB			4	/* Per system board */
55 #define	MAX_CIC			4	/* Per system board */
56 #define	MAX_MGROUPS		4	/* Per MC and system board */
57 #define	MAX_IOCS		2	/* Per system board */
58 #define	MAX_SLOTS_PER_IOC	4	/* Per ioc */
59 
60 typedef struct {
61 	ushort_t	bda_board;		/* BDAN 0|Anyred|mem|Board */
62 	ushort_t	bda_proc;		/* BDAN Processor 3:0	*/
63 	ushort_t	bda_pc;			/* BDAN PC asic 2:0	*/
64 	ushort_t	bda_xdb;		/* BDAN XDB asic 3:0	*/
65 	ushort_t	bda_cic;		/* BDAN CIC asic 3:0	*/
66 	ushort_t	bda_ldpath;		/* BDAN 0|0| ldpath [dbus] */
67 	ushort_t	bda_ioc;		/* BDAN 0|0| ioc 1:0	*/
68 	ushort_t	bda_ios[MAX_IOCS];	/* BDAN Scard 3:0	*/
69 	ushort_t	bda_mgroup;		/* BDAN memory group 3:0 */
70 } board_desc_t;
71 
72 typedef struct {
73 	ushort_t	bada_proc [MAX_PROCMODS];  /* Extra status on procs */
74 	uchar_t		bada_iom_type;		/* I/O module type. */
75 	uchar_t		bada_fill[3];
76 	ushort_t	bada_ioc[MAX_IOCS];	/* Extra status on iocs	*/
77 } board_auxdesc_t;
78 
79 /*
80  * The three lsb of bada_proc holds the ecache size of that proc
81  * module, as (log-base-2 - 19), so 1/2 MB is 0, 1 MB is 1, ...
82  * 32 MB is 6. 7 is a bogus value.
83  */
84 #define	BADA_PROC_GET_ECL2M19(bada_proc)	((bada_proc) & 0x7)
85 
86 typedef struct {
87 	uint32_t	bmda_adr;		/* MC ADR */
88 	uint32_t	bmda_gab_bank_sel;	/* MC gab bank sel reg */
89 	ushort_t	bmda_bank_setup;	/* MC gab bank setup reg */
90 	ushort_t	bmda_filler;
91 	int32_t		bmda_badpage[MAX_MGROUPS];
92 						/*
93 						 * One bad page offset per
94 						 * mgroup is allowed. No
95 						 * bad page if < 0.
96 						 */
97 } board_mdesc_t;
98 
99 /*
100  * BDA nibble status definitions:
101  * These are ordered in terms of preserving interesting information
102  * in POST displays where all configurations are displayed in a
103  * single value. The highest value for a resource over all
104  * configurations is shown.
105  * Of course, this is just for help to engineers/technicians in
106  * understanding what happened; for the most part, everything
107  * except "GOOD" is just different flavors of "BAD".
108  * Note the special macro SET_BDA_NBL_CRUNCH below which requires
109  * that BDAN_CRUNCH be 0.
110  */
111 #define	BDAN_CRUNCH	0x0		/* Unusable by implication */
112 #define	BDAN_UNDEFINED	0x1		/* Architecturally Missing */
113 #define	BDAN_MISS	0x2		/* Missing */
114 #define	BDAN_FAIL	0x3		/* Tested and failed */
115 #define	BDAN_BLACK	0x4		/* Blacklisted */
116 #define	BDAN_RED	0x5		/* Redlisted */
117 #define	BDAN_EXCLUDED	0x6		/* Board is not in this domain */
118 #define	BDAN_UNCONFIG	0x7		/* Good, but not in config. */
119 #define	BDAN_GOOD	0x8		/* Like it says. */
120 #define	BDAN_MASK	0xF
121 
122 
123 /* Macros for accessing BDA nibbles */
124 #define	BDA_NBL(shrt, nibix) \
125 		(((shrt) >> ((nibix) << 2)) & BDAN_MASK)
126 #define	SET_BDA_NBL(shrt, nibix, val) \
127 { \
128 	shrt &= ~(BDAN_MASK << ((nibix) << 2)); \
129 	shrt |= (val) << ((nibix) << 2); \
130 }
131 
132 /*
133  * This exists to keep lint from complaining about statements with
134  * null efect when we OR in a constant 0 in SET_BDA_NBL. It's a pain,
135  * but it does save the code optimizer some work. ;-{
136  */
137 #define	SET_BDA_NBL_CRUNCH(shrt, nibix) \
138 		(shrt &= ~(BDAN_MASK << ((nibix) << 2)))
139 
140 /* Definitions for nibbles in the bda_board element: */
141 #define	BDA_GEN_NBL	0	/* Overall state of the board */
142 #define	BDA_MC_NBL	1	/* State of the memory. */
143 /*
144  * BDAN_RED if anything red on board, or board is BDAN_EXCLUDED;
145  * otherwise BDAN_GOOD
146  */
147 #define	BDA_ANYRED_NBL	2
148 /*
149  * Macro BDA_PAGESHIFT hides Solaris page size to Starfire POST, as POST
150  * assumes Solaris basic page size as 8K.
151  * Note: Only BDA_PAGESHIFT is used, BDA_PAGESIZE is added for readability.
152  */
153 #define	BDA_PAGESHIFT	13
154 #define	BDA_PAGESIZE	(1<<BDA_PAGESHIFT)
155 
156 typedef struct {			/* Memory Total Descriptor */
157 	int32_t	Memt_NumPages;		/* 8 KB each */
158 	int32_t	Memt_NumChunks;
159 } MemoryTotal_t;
160 
161 typedef struct {				/* Chunk Descriptor */
162 	uint32_t	Memc_StartAddress;	/* In 8 KB pages */
163 	int32_t		Memc_Size;		/* In 8 KB pages */
164 } MemChunk_t;
165 
166 
167 #define	P2OBP_MAGIC	"XFPOST_2OBP"
168 #define	VAR_ARRAY_LEN	1
169 
170 typedef struct {
171 	char		p2o_magic[12];		/* magic cookie = P2OBP_MAGIC */
172 	int32_t		p2o_struct_version;	/* equal to P2OBP_VERSION */
173 	uint32_t	p2o_csum;		/* sum(uint[]) */
174 	uint32_t	p2o_post_time;		/* creation time */
175 	uint32_t	p2o_post_pid;		/* pid of sequencer on SSP */
176 	uint32_t	p2o_post_level;		/* level at which hpost ran */
177 	short		p2o_abus_mask;		/* [3:0] = Valid PA buses */
178 						/* [5:4] = bus shuffle mode */
179 	short		p2o_dbus_mask;		/* Valid physdata buses */
180 	uint32_t	p2o_intercon_freq;	/* hz */
181 	uint32_t	p2o_procssor_freq;	/* hz */
182 	int32_t		p2o_post_private;
183 	uint32_t	p2o_flags;		/* See P2OFLAG_XXX */
184 	uchar_t		p2o_procint_intx_freq_ratio;	/* 0 if not known */
185 	uchar_t		p2o_fill_byte[3];
186 	uint_t		p2o_filler[6];		/* for expansion */
187 	board_desc_t	p2o_bdinfo[MAX_SYSBDS];
188 	board_mdesc_t	p2o_bdminfo[MAX_SYSBDS];
189 	board_auxdesc_t	p2o_auxinfo[MAX_SYSBDS];
190 	MemoryTotal_t	p2o_memtotal;
191 	/*
192 	 * Array of descriptors of existing memory.
193 	 * Number of descriptors is given in memtotal.NumChunks.
194 	 */
195 	MemChunk_t	p2o_mchunks[VAR_ARRAY_LEN];
196 } post2obp_info_t;
197 
198 #ifdef _KERNEL
199 /*
200  * Following definitions in support of DR.
201  */
202 typedef void		*pda_handle_t;
203 
204 extern pda_handle_t	pda_open();
205 extern void		pda_close(pda_handle_t ph);
206 extern int		pda_board_present(pda_handle_t ph, int boardnum);
207 extern void		*pda_get_board_info(pda_handle_t ph, int boardnum);
208 extern uint_t		pda_get_mem_size(pda_handle_t ph, int boardnum);
209 extern void		pda_mem_add_span(pda_handle_t ph,
210 						uint64_t basepa,
211 						uint64_t nbytes);
212 extern void		pda_mem_del_span(pda_handle_t ph,
213 						uint64_t basepa,
214 						uint64_t nbytes);
215 extern void		pda_mem_sync(pda_handle_t ph, int board, int unit);
216 extern void		pda_get_busmask(pda_handle_t ph,
217 						short *amask, short *dmask);
218 extern int		pda_is_valid(pda_handle_t ph);
219 
220 #endif /* _KERNEL */
221 
222 #ifdef	__cplusplus
223 }
224 #endif
225 
226 #endif /* _SYS_PDA_H */
227