aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/mach-bf561/anomaly.h
blob: 4c108c99cb6ebca31efbab522674b58bedb23582 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
/*
 * DO NOT EDIT THIS FILE
 * This file is under version control at
 *   svn://sources.blackfin.uclinux.org/toolchain/trunk/proc-defs/header-frags/
 * and can be replaced with that version at any time
 * DO NOT EDIT THIS FILE
 *
 * Copyright 2004-2010 Analog Devices Inc.
 * Licensed under the ADI BSD license.
 *   https://docs.blackfin.uclinux.org/doku.php?id=adi_bsd
 */

/* This file should be up to date with:
 *  - Revision Q, 11/07/2008; ADSP-BF561 Blackfin Processor Anomaly List
 */

#ifndef _MACH_ANOMALY_H_
#define _MACH_ANOMALY_H_

/* We do not support 0.1, 0.2, or 0.4 silicon - sorry */
#if __SILICON_REVISION__ < 3 || __SILICON_REVISION__ == 4
# error will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4
#endif

/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */
#define ANOMALY_05000074 (1)
/* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */
#define ANOMALY_05000099 (__SILICON_REVISION__ < 5)
/* Trace Buffers May Contain Errors in Emulation Mode and/or Exception, NMI, Reset Handlers */
#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
/* TESTSET Instructions Restricted to 32-Bit Aligned Memory Locations */
#define ANOMALY_05000120 (1)
/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
#define ANOMALY_05000122 (1)
/* Erroneous Exception when Enabling Cache */
#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
/* SIGNBITS Instruction Not Functional under Certain Conditions */
#define ANOMALY_05000127 (1)
/* Two bits in the Watchpoint Status Register (WPSTAT) are swapped */
#define ANOMALY_05000134 (__SILICON_REVISION__ < 3)
/* Enable wires from the Data Watchpoint Address Control Register (WPDACTL) are swapped */
#define ANOMALY_05000135 (__SILICON_REVISION__ < 3)
/* Stall in multi-unit DMA operations */
#define ANOMALY_05000136 (__SILICON_REVISION__ < 3)
/* Allowing the SPORT RX FIFO to fill will cause an overflow */
#define ANOMALY_05000140 (__SILICON_REVISION__ < 3)
/* Infinite Stall may occur with a particular sequence of consecutive dual dag events */
#define ANOMALY_05000141 (__SILICON_REVISION__ < 3)
/* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */
#define ANOMALY_05000142 (__SILICON_REVISION__ < 3)
/* DMA and TESTSET conflict when both are accessing external memory */
#define ANOMALY_05000144 (__SILICON_REVISION__ < 3)
/* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */
#define ANOMALY_05000145 (__SILICON_REVISION__ < 3)
/* MDMA may lose the first few words of a descriptor chain */
#define ANOMALY_05000146 (__SILICON_REVISION__ < 3)
/* Source MDMA descriptor may stop with a DMA Error near beginning of descriptor fetch */
#define ANOMALY_05000147 (__SILICON_REVISION__ < 3)
/* IMDMA S1/D1 Channel May Stall */
#define ANOMALY_05000149 (1)
/* DMA engine may lose data due to incorrect handshaking */
#define ANOMALY_05000150 (__SILICON_REVISION__ < 3)
/* DMA stalls when all three controllers read data from the same source */
#define ANOMALY_05000151 (__SILICON_REVISION__ < 3)
/* Execution stall when executing in L2 and doing external accesses */
#define ANOMALY_05000152 (__SILICON_REVISION__ < 3)
/* Frame Delay in SPORT Multichannel Mode */
#define ANOMALY_05000153 (__SILICON_REVISION__ < 3)
/* SPORT TFS signal stays active in multichannel mode outside of valid channels */
#define ANOMALY_05000154 (__SILICON_REVISION__ < 3)
/* Timers in PWM-Out Mode with PPI GP Receive (Input) Mode with 0 Frame Syncs */
#define ANOMALY_05000156 (__SILICON_REVISION__ < 4)
/* Killed 32-Bit MMR Write Leads to Next System MMR Access Thinking It Should Be 32-Bit */
#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
#define ANOMALY_05000159 (__SILICON_REVISION__ < 3)
/* A read from external memory may return a wrong value with data cache enabled */
#define ANOMALY_05000160 (__SILICON_REVISION__ < 3)
/* Data Cache Fill data can be corrupted after/during Instruction DMA if certain core stalls exist */
#define ANOMALY_05000161 (__SILICON_REVISION__ < 3)
/* DMEM_CONTROL<12> is not set on Reset */
#define ANOMALY_05000162 (__SILICON_REVISION__ < 3)
/* SPORT Transmit Data Is Not Gated by External Frame Sync in Certain Conditions */
#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
/* PPI Data Lengths between 8 and 16 Do Not Zero Out Upper Bits */
#define ANOMALY_05000166 (1)
/* Turning SPORTs on while External Frame Sync Is Active May Corrupt Data */
#define ANOMALY_05000167 (1)
/* Undefined Behavior when Power-Up Sequence Is Issued to SDRAM during Auto-Refresh */
#define ANOMALY_05000168 (__SILICON_REVISION__ < 5)
/* DATA CPLB Page Miss Can Result in Lost Write-Through Data Cache Writes */
#define ANOMALY_05000169 (__SILICON_REVISION__ < 5)
/* Boot-ROM Modifies SICA_IWRx Wakeup Registers */
#define ANOMALY_05000171 (__SILICON_REVISION__ < 5)
/* DSPID register values incorrect */
#define ANOMALY_05000172 (__SILICON_REVISION__ < 3)
/* DMA vs Core accesses to external memory */
#define ANOMALY_05000173 (__SILICON_REVISION__ < 3)
/* Cache Fill Buffer Data lost */
#define ANOMALY_05000174 (__SILICON_REVISION__ < 5)
/* Overlapping Sequencer and Memory Stalls */
#define ANOMALY_05000175 (__SILICON_REVISION__ < 5)
/* Overflow Bit Asserted when Multiplication of -1 by -1 Followed by Accumulator Saturation */
#define ANOMALY_05000176 (__SILICON_REVISION__ < 5)
/* PPI_COUNT Cannot Be Programmed to 0 in General Purpose TX or RX Modes */
#define ANOMALY_05000179 (__SILICON_REVISION__ < 5)
/* PPI_DELAY Not Functional in PPI Modes with 0 Frame Syncs */
#define ANOMALY_05000180 (1)
/* Disabling the PPI Resets the PPI Configuration Registers */
#define ANOMALY_05000181 (__SILICON_REVISION__ < 5)
/* Internal Memory DMA Does Not Operate at Full Speed */
#define ANOMALY_05000182 (1)
/* Timer Pin Limitations for PPI TX Modes with External Frame Syncs */
#define ANOMALY_05000184 (__SILICON_REVISION__ < 5)
/* Early PPI Transmit when FS1 Asserts before FS2 in TX Mode with 2 External Frame Syncs */
#define ANOMALY_05000185 (__SILICON_REVISION__ < 5)
/* Upper PPI Pins Driven when PPI Packing Enabled and Data Length >8 Bits */
#define ANOMALY_05000186 (__SILICON_REVISION__ < 5)
/* IMDMA Corrupted Data after a Halt */
#define ANOMALY_05000187 (1)
/* IMDMA Restrictions on Descriptor and Buffer Placement in Memory */
#define ANOMALY_05000188 (__SILICON_REVISION__ < 5)
/* False Protection Exceptions when Speculative Fetch Is Cancelled */
#define ANOMALY_05000189 (__SILICON_REVISION__ < 5)
/* PPI Not Functional at Core Voltage < 1Volt */
#define ANOMALY_05000190 (1)
/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
#define ANOMALY_05000193 (__SILICON_REVISION__ < 5)
/* Restarting SPORT in Specific Modes May Cause Data Corruption */
#define ANOMALY_05000194 (__SILICON_REVISION__ < 5)
/* Failing MMR Accesses when Preceding Memory Read Stalls */
#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
/* Current DMA Address Shows Wrong Value During Carry Fix */
#define ANOMALY_05000199 (__SILICON_REVISION__ < 5)
/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
#define ANOMALY_05000200 (__SILICON_REVISION__ < 5)
/* Possible Infinite Stall with Specific Dual-DAG Situation */
#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
/* Incorrect Data Read with Writethrough "Allocate Cache Lines on Reads Only" Cache Mode */
#define ANOMALY_05000204 (__SILICON_REVISION__ < 5)
/* Specific Sequence that Can Cause DMA Error or DMA Stopping */
#define ANOMALY_05000205 (__SILICON_REVISION__ < 5)
/* Recovery from "Brown-Out" Condition */
#define ANOMALY_05000207 (__SILICON_REVISION__ < 5)
/* VSTAT Status Bit in PLL_STAT Register Is Not Functional */
#define ANOMALY_05000208 (1)
/* Speed Path in Computational Unit Affects Certain Instructions */
#define ANOMALY_05000209 (__SILICON_REVISION__ < 5)
/* UART TX Interrupt Masked Erroneously */
#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
/* NMI Event at Boot Time Results in Unpredictable State */
#define ANOMALY_05000219 (__SILICON_REVISION__ < 5)
/* Data Corruption/Core Hang with L2/L3 Configured in Writeback Cache Mode */
#define ANOMALY_05000220 (__SILICON_REVISION__ < 4)
/* Incorrect Pulse-Width of UART Start Bit */
#define ANOMALY_05000225 (__SILICON_REVISION__ < 5)
/* Scratchpad Memory Bank Reads May Return Incorrect Data */
#define ANOMALY_05000227 (__SILICON_REVISION__ < 5)
/* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */
#define ANOMALY_05000230 (__SILICON_REVISION__ < 5)
/* UART STB Bit Incorrectly Affects Receiver Setting */
#define ANOMALY_05000231 (__SILICON_REVISION__ < 5)
/* SPORT Data Transmit Lines Are Incorrectly Driven in Multichannel Mode */
#define ANOMALY_05000232 (__SILICON_REVISION__ < 5)
/* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */
#define ANOMALY_05000242 (__SILICON_REVISION__ < 5)
/* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */
#define ANOMALY_05000244 (__SILICON_REVISION__ < 5)
/* False Hardware Error from an Access in the Shadow of a Conditional Branch */
#define ANOMALY_05000245 (__SILICON_REVISION__ < 5)
/* TESTSET Operation Forces Stall on the Other Core */
#define ANOMALY_05000248 (__SILICON_REVISION__ < 5)
/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
#define ANOMALY_05000250 (__SILICON_REVISION__ > 2 && __SILICON_REVISION__ < 5)
/* Exception Not Generated for MMR Accesses in Reserved Region */
#define ANOMALY_05000251 (__SILICON_REVISION__ < 5)
/* Maximum External Clock Speed for Timers */
#define ANOMALY_05000253 (__SILICON_REVISION__ < 5)
/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
#define ANOMALY_05000254 (__SILICON_REVISION__ > 3)
/* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */
#define ANOMALY_05000257 (__SILICON_REVISION__ < 5)
/* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */
#define ANOMALY_05000258 (__SILICON_REVISION__ < 5)
/* ICPLB_STATUS MMR Register May Be Corrupted */
#define ANOMALY_05000260 (__SILICON_REVISION__ < 5)
/* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */
#define ANOMALY_05000261 (__SILICON_REVISION__ < 5)
/* Stores To Data Cache May Be Lost */
#define ANOMALY_05000262 (__SILICON_REVISION__ < 5)
/* Hardware Loop Corrupted When Taking an ICPLB Exception */
#define ANOMALY_05000263 (__SILICON_REVISION__ < 5)
/* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */
#define ANOMALY_05000264 (__SILICON_REVISION__ < 5)
/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
#define ANOMALY_05000265 (__SILICON_REVISION__ < 5)
/* IMDMA Destination IRQ Status Must Be Read Prior to Using IMDMA */
#define ANOMALY_05000266 (__SILICON_REVISION__ > 3)
/* IMDMA May Corrupt Data under Certain Conditions */
#define ANOMALY_05000267 (1)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
#define ANOMALY_05000269 (1)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
#define ANOMALY_05000270 (1)
/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
#define ANOMALY_05000272 (1)
/* Data Cache Write Back to External Synchronous Memory May Be Lost */
#define ANOMALY_05000274 (1)
/* PPI Timing and Sampling Information Updates */
#define ANOMALY_05000275 (__SILICON_REVISION__ > 2)
/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
#define ANOMALY_05000276 (__SILICON_REVISION__ < 5)
/* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */
#define ANOMALY_05000277 (__SILICON_REVISION__ < 3)
/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
#define ANOMALY_05000278 (__SILICON_REVISION__ < 5)
/* False Hardware Error Exception when ISR Context Is Not Restored */
/* Temporarily walk around for bug 5423 till this issue is confirmed by
 * official anomaly document. It looks 05000281 still exists on bf561
 * v0.5.
 */
#define ANOMALY_05000281 (__SILICON_REVISION__ <= 5)
/* System MMR Write Is Stalled Indefinitely when Killed in a Particular Stage */
#define ANOMALY_05000283 (1)
/* Reads Will Receive Incorrect Data under Certain Conditions */
#define ANOMALY_05000287 (__SILICON_REVISION__ < 5)
/* SPORTs May Receive Bad Data If FIFOs Fill Up */
#define ANOMALY_05000288 (__SILICON_REVISION__ < 5)
/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
#define ANOMALY_05000301 (1)
/* SSYNCs after Writes to DMA MMR Registers May Not Be Handled Correctly */
#define ANOMALY_05000302 (1)
/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */
#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
/* SCKELOW Bit Does Not Maintain State Through Hibernate */
#define ANOMALY_05000307 (__SILICON_REVISION__ < 5)
/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
#define ANOMALY_05000310 (1)
/* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */
#define ANOMALY_05000312 (1)
/* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */
#define ANOMALY_05000313 (1)
/* Killed System MMR Write Completes Erroneously on Next System MMR Access */
#define ANOMALY_05000315 (1)
/* PF2 Output Remains Asserted after SPI Master Boot */
#define ANOMALY_05000320 (__SILICON_REVISION__ > 3)
/* Erroneous GPIO Flag Pin Operations under Specific Sequences */
#define ANOMALY_05000323 (1)
/* SPORT Secondary Receive Channel Not Functional when Word Length >16 Bits */
#define ANOMALY_05000326 (__SILICON_REVISION__ > 3)
/* 24-Bit SPI Boot Mode Is Not Functional */
#define ANOMALY_05000331 (__SILICON_REVISION__ < 5)
/* Slave SPI Boot Mode Is Not Functional */
#define ANOMALY_05000332 (__SILICON_REVISION__ < 5)
/* Flag Data Register Writes One SCLK Cycle after Edge Is Detected May Clear Interrupt Status */
#define ANOMALY_05000333 (__SILICON_REVISION__ < 5)
/* ALT_TIMING Bit in PLL_CTL Register Is Not Functional */
#define ANOMALY_05000339 (__SILICON_REVISION__ < 5)
/* Memory DMA FIFO Causes Throughput Degradation on Writes to External Memory */
#define ANOMALY_05000343 (__SILICON_REVISION__ < 5)
/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */
#define ANOMALY_05000357 (1)
/* Conflicting Column Address Widths Causes SDRAM Errors */
#define ANOMALY_05000362 (1)
/* UART Break Signal Issues */
#define ANOMALY_05000363 (__SILICON_REVISION__ < 5)
/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */
#define ANOMALY_05000366 (1)
/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */
#define ANOMALY_05000371 (1)
/* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */
#define ANOMALY_05000402 (__SILICON_REVISION__ == 4)
/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */
#define ANOMALY_05000403 (1)
/* TESTSET Instruction Causes Data Corruption with Writeback Data Cache Enabled */
#define ANOMALY_05000412 (1)
/* Speculative Fetches Can Cause Undesired External FIFO Operations */
#define ANOMALY_05000416 (1)
/* Multichannel SPORT Channel Misalignment Under Specific Configuration */
#define ANOMALY_05000425 (1)
/* Speculative Fetches of Indirect-Pointer Instructions Can Cause False Hardware Errors */
#define ANOMALY_05000426 (1)
/* Lost/Corrupted L2/L3 Memory Write after Speculative L2 Memory Read by Core B */
#define ANOMALY_05000428 (__SILICON_REVISION__ > 3)
/* IFLUSH Instruction at End of Hardware Loop Causes Infinite Stall */
#define ANOMALY_05000443 (1)
/* False Hardware Error when RETI Points to Invalid Memory */
#define ANOMALY_05000461 (1)
/* Interrupted 32-Bit SPORT Data Register Access Results In Underflow */
#define ANOMALY_05000473 (1)
/* Possible Lockup Condition whem Modifying PLL from External Memory */
#define ANOMALY_05000475 (__SILICON_REVISION__ < 4)
/* TESTSET Instruction Cannot Be Interrupted */
#define ANOMALY_05000477 (1)
/* Reads of ITEST_COMMAND and ITEST_DATA Registers Cause Cache Corruption */
#define ANOMALY_05000481 (1)
/* IFLUSH sucks at life */
#define ANOMALY_05000491 (1)

/* Anomalies that don't exist on this proc */
#define ANOMALY_05000119 (0)
#define ANOMALY_05000158 (0)
#define ANOMALY_05000183 (0)
#define ANOMALY_05000233 (0)
#define ANOMALY_05000234 (0)
#define ANOMALY_05000273 (0)
#define ANOMALY_05000311 (0)
#define ANOMALY_05000353 (1)
#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
#define ANOMALY_05000400 (0)
#define ANOMALY_05000430 (0)
#define ANOMALY_05000432 (0)
#define ANOMALY_05000435 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
#define ANOMALY_05000456 (0)
#define ANOMALY_05000450 (0)
#define ANOMALY_05000465 (0)
#define ANOMALY_05000467 (0)
#define ANOMALY_05000474 (0)
#define ANOMALY_05000485 (0)

#endif