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-rw-r--r--include/asm-sparc/chafsr.h241
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diff --git a/include/asm-sparc/chafsr.h b/include/asm-sparc/chafsr.h
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1#ifndef _SPARC64_CHAFSR_H
2#define _SPARC64_CHAFSR_H
3
4/* Cheetah Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */
5
6/* Comments indicate which processor variants on which the bit definition
7 * is valid. Codes are:
8 * ch --> cheetah
9 * ch+ --> cheetah plus
10 * jp --> jalapeno
11 */
12
13/* All bits of this register except M_SYNDROME and E_SYNDROME are
14 * read, write 1 to clear. M_SYNDROME and E_SYNDROME are read-only.
15 */
16
17/* Software bit set by linux trap handlers to indicate that the trap was
18 * signalled at %tl >= 1.
19 */
20#define CHAFSR_TL1 (1UL << 63UL) /* n/a */
21
22/* Unmapped error from system bus for prefetch queue or
23 * store queue read operation
24 */
25#define CHPAFSR_DTO (1UL << 59UL) /* ch+ */
26
27/* Bus error from system bus for prefetch queue or store queue
28 * read operation
29 */
30#define CHPAFSR_DBERR (1UL << 58UL) /* ch+ */
31
32/* Hardware corrected E-cache Tag ECC error */
33#define CHPAFSR_THCE (1UL << 57UL) /* ch+ */
34/* System interface protocol error, hw timeout caused */
35#define JPAFSR_JETO (1UL << 57UL) /* jp */
36
37/* SW handled correctable E-cache Tag ECC error */
38#define CHPAFSR_TSCE (1UL << 56UL) /* ch+ */
39/* Parity error on system snoop results */
40#define JPAFSR_SCE (1UL << 56UL) /* jp */
41
42/* Uncorrectable E-cache Tag ECC error */
43#define CHPAFSR_TUE (1UL << 55UL) /* ch+ */
44/* System interface protocol error, illegal command detected */
45#define JPAFSR_JEIC (1UL << 55UL) /* jp */
46
47/* Uncorrectable system bus data ECC error due to prefetch
48 * or store fill request
49 */
50#define CHPAFSR_DUE (1UL << 54UL) /* ch+ */
51/* System interface protocol error, illegal ADTYPE detected */
52#define JPAFSR_JEIT (1UL << 54UL) /* jp */
53
54/* Multiple errors of the same type have occurred. This bit is set when
55 * an uncorrectable error or a SW correctable error occurs and the status
56 * bit to report that error is already set. When multiple errors of
57 * different types are indicated by setting multiple status bits.
58 *
59 * This bit is not set if multiple HW corrected errors with the same
60 * status bit occur, only uncorrectable and SW correctable ones have
61 * this behavior.
62 *
63 * This bit is not set when multiple ECC errors happen within a single
64 * 64-byte system bus transaction. Only the first ECC error in a 16-byte
65 * subunit will be logged. All errors in subsequent 16-byte subunits
66 * from the same 64-byte transaction are ignored.
67 */
68#define CHAFSR_ME (1UL << 53UL) /* ch,ch+,jp */
69
70/* Privileged state error has occurred. This is a capture of PSTATE.PRIV
71 * at the time the error is detected.
72 */
73#define CHAFSR_PRIV (1UL << 52UL) /* ch,ch+,jp */
74
75/* The following bits 51 (CHAFSR_PERR) to 33 (CHAFSR_CE) are sticky error
76 * bits and record the most recently detected errors. Bits accumulate
77 * errors that have been detected since the last write to clear the bit.
78 */
79
80/* System interface protocol error. The processor asserts its' ERROR
81 * pin when this event occurs and it also logs a specific cause code
82 * into a JTAG scannable flop.
83 */
84#define CHAFSR_PERR (1UL << 51UL) /* ch,ch+,jp */
85
86/* Internal processor error. The processor asserts its' ERROR
87 * pin when this event occurs and it also logs a specific cause code
88 * into a JTAG scannable flop.
89 */
90#define CHAFSR_IERR (1UL << 50UL) /* ch,ch+,jp */
91
92/* System request parity error on incoming address */
93#define CHAFSR_ISAP (1UL << 49UL) /* ch,ch+,jp */
94
95/* HW Corrected system bus MTAG ECC error */
96#define CHAFSR_EMC (1UL << 48UL) /* ch,ch+ */
97/* Parity error on L2 cache tag SRAM */
98#define JPAFSR_ETP (1UL << 48UL) /* jp */
99
100/* Uncorrectable system bus MTAG ECC error */
101#define CHAFSR_EMU (1UL << 47UL) /* ch,ch+ */
102/* Out of range memory error has occurred */
103#define JPAFSR_OM (1UL << 47UL) /* jp */
104
105/* HW Corrected system bus data ECC error for read of interrupt vector */
106#define CHAFSR_IVC (1UL << 46UL) /* ch,ch+ */
107/* Error due to unsupported store */
108#define JPAFSR_UMS (1UL << 46UL) /* jp */
109
110/* Uncorrectable system bus data ECC error for read of interrupt vector */
111#define CHAFSR_IVU (1UL << 45UL) /* ch,ch+,jp */
112
113/* Unmapped error from system bus */
114#define CHAFSR_TO (1UL << 44UL) /* ch,ch+,jp */
115
116/* Bus error response from system bus */
117#define CHAFSR_BERR (1UL << 43UL) /* ch,ch+,jp */
118
119/* SW Correctable E-cache ECC error for instruction fetch or data access
120 * other than block load.
121 */
122#define CHAFSR_UCC (1UL << 42UL) /* ch,ch+,jp */
123
124/* Uncorrectable E-cache ECC error for instruction fetch or data access
125 * other than block load.
126 */
127#define CHAFSR_UCU (1UL << 41UL) /* ch,ch+,jp */
128
129/* Copyout HW Corrected ECC error */
130#define CHAFSR_CPC (1UL << 40UL) /* ch,ch+,jp */
131
132/* Copyout Uncorrectable ECC error */
133#define CHAFSR_CPU (1UL << 39UL) /* ch,ch+,jp */
134
135/* HW Corrected ECC error from E-cache for writeback */
136#define CHAFSR_WDC (1UL << 38UL) /* ch,ch+,jp */
137
138/* Uncorrectable ECC error from E-cache for writeback */
139#define CHAFSR_WDU (1UL << 37UL) /* ch,ch+,jp */
140
141/* HW Corrected ECC error from E-cache for store merge or block load */
142#define CHAFSR_EDC (1UL << 36UL) /* ch,ch+,jp */
143
144/* Uncorrectable ECC error from E-cache for store merge or block load */
145#define CHAFSR_EDU (1UL << 35UL) /* ch,ch+,jp */
146
147/* Uncorrectable system bus data ECC error for read of memory or I/O */
148#define CHAFSR_UE (1UL << 34UL) /* ch,ch+,jp */
149
150/* HW Corrected system bus data ECC error for read of memory or I/O */
151#define CHAFSR_CE (1UL << 33UL) /* ch,ch+,jp */
152
153/* Uncorrectable ECC error from remote cache/memory */
154#define JPAFSR_RUE (1UL << 32UL) /* jp */
155
156/* Correctable ECC error from remote cache/memory */
157#define JPAFSR_RCE (1UL << 31UL) /* jp */
158
159/* JBUS parity error on returned read data */
160#define JPAFSR_BP (1UL << 30UL) /* jp */
161
162/* JBUS parity error on data for writeback or block store */
163#define JPAFSR_WBP (1UL << 29UL) /* jp */
164
165/* Foreign read to DRAM incurring correctable ECC error */
166#define JPAFSR_FRC (1UL << 28UL) /* jp */
167
168/* Foreign read to DRAM incurring uncorrectable ECC error */
169#define JPAFSR_FRU (1UL << 27UL) /* jp */
170
171#define CHAFSR_ERRORS (CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \
172 CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \
173 CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \
174 CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \
175 CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE)
176#define CHPAFSR_ERRORS (CHPAFSR_DTO | CHPAFSR_DBERR | CHPAFSR_THCE | \
177 CHPAFSR_TSCE | CHPAFSR_TUE | CHPAFSR_DUE | \
178 CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \
179 CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \
180 CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \
181 CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \
182 CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE)
183#define JPAFSR_ERRORS (JPAFSR_JETO | JPAFSR_SCE | JPAFSR_JEIC | \
184 JPAFSR_JEIT | CHAFSR_PERR | CHAFSR_IERR | \
185 CHAFSR_ISAP | JPAFSR_ETP | JPAFSR_OM | \
186 JPAFSR_UMS | CHAFSR_IVU | CHAFSR_TO | \
187 CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | \
188 CHAFSR_CPC | CHAFSR_CPU | CHAFSR_WDC | \
189 CHAFSR_WDU | CHAFSR_EDC | CHAFSR_EDU | \
190 CHAFSR_UE | CHAFSR_CE | JPAFSR_RUE | \
191 JPAFSR_RCE | JPAFSR_BP | JPAFSR_WBP | \
192 JPAFSR_FRC | JPAFSR_FRU)
193
194/* Active JBUS request signal when error occurred */
195#define JPAFSR_JBREQ (0x7UL << 24UL) /* jp */
196#define JPAFSR_JBREQ_SHIFT 24UL
197
198/* L2 cache way information */
199#define JPAFSR_ETW (0x3UL << 22UL) /* jp */
200#define JPAFSR_ETW_SHIFT 22UL
201
202/* System bus MTAG ECC syndrome. This field captures the status of the
203 * first occurrence of the highest-priority error according to the M_SYND
204 * overwrite policy. After the AFSR sticky bit, corresponding to the error
205 * for which the M_SYND is reported, is cleared, the contents of the M_SYND
206 * field will be unchanged by will be unfrozen for further error capture.
207 */
208#define CHAFSR_M_SYNDROME (0xfUL << 16UL) /* ch,ch+,jp */
209#define CHAFSR_M_SYNDROME_SHIFT 16UL
210
211/* Agenid Id of the foreign device causing the UE/CE errors */
212#define JPAFSR_AID (0x1fUL << 9UL) /* jp */
213#define JPAFSR_AID_SHIFT 9UL
214
215/* System bus or E-cache data ECC syndrome. This field captures the status
216 * of the first occurrence of the highest-priority error according to the
217 * E_SYND overwrite policy. After the AFSR sticky bit, corresponding to the
218 * error for which the E_SYND is reported, is cleare, the contents of the E_SYND
219 * field will be unchanged but will be unfrozen for further error capture.
220 */
221#define CHAFSR_E_SYNDROME (0x1ffUL << 0UL) /* ch,ch+,jp */
222#define CHAFSR_E_SYNDROME_SHIFT 0UL
223
224/* The AFSR must be explicitly cleared by software, it is not cleared automatically
225 * by a read. Writes to bits <51:33> with bits set will clear the corresponding
226 * bits in the AFSR. Bits associated with disrupting traps must be cleared before
227 * interrupts are re-enabled to prevent multiple traps for the same error. I.e.
228 * PSTATE.IE and AFSR bits control delivery of disrupting traps.
229 *
230 * Since there is only one AFAR, when multiple events have been logged by the
231 * bits in the AFSR, at most one of these events will have its status captured
232 * in the AFAR. The highest priority of those event bits will get AFAR logging.
233 * The AFAR will be unlocked and available to capture the address of another event
234 * as soon as the one bit in AFSR that corresponds to the event logged in AFAR is
235 * cleared. For example, if AFSR.CE is detected, then AFSR.UE (which overwrites
236 * the AFAR), and AFSR.UE is cleared by not AFSR.CE, then the AFAR will be unlocked
237 * and ready for another event, even though AFSR.CE is still set. The same rules
238 * also apply to the M_SYNDROME and E_SYNDROME fields of the AFSR.
239 */
240
241#endif /* _SPARC64_CHAFSR_H */