1 /* 2 * DO NOT EDIT THIS FILE 3 * This file is under version control at 4 * svn://sources.blackfin.uclinux.org/toolchain/trunk/proc-defs/header-frags/ 5 * and can be replaced with that version at any time 6 * DO NOT EDIT THIS FILE 7 * 8 * Copyright 2004-2011 Analog Devices Inc. 9 * Licensed under the ADI BSD license. 10 * https://docs.blackfin.uclinux.org/doku.php?id=adi_bsd 11 */ 12 13 /* This file should be up to date with: 14 * - Revision S, 05/23/2011; ADSP-BF561 Blackfin Processor Anomaly List 15 */ 16 17 #ifndef _MACH_ANOMALY_H_ 18 #define _MACH_ANOMALY_H_ 19 20 /* We do not support 0.1, 0.2, or 0.4 silicon - sorry */ 21 #if __SILICON_REVISION__ < 3 || __SILICON_REVISION__ == 4 22 # error will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4 23 #endif 24 25 /* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */ 26 #define ANOMALY_05000074 (1) 27 /* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */ 28 #define ANOMALY_05000099 (__SILICON_REVISION__ < 5) 29 /* TESTSET Instructions Restricted to 32-Bit Aligned Memory Locations */ 30 #define ANOMALY_05000120 (1) 31 /* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */ 32 #define ANOMALY_05000122 (1) 33 /* SIGNBITS Instruction Not Functional under Certain Conditions */ 34 #define ANOMALY_05000127 (1) 35 /* IMDMA S1/D1 Channel May Stall */ 36 #define ANOMALY_05000149 (1) 37 /* Timers in PWM-Out Mode with PPI GP Receive (Input) Mode with 0 Frame Syncs */ 38 #define ANOMALY_05000156 (__SILICON_REVISION__ < 4) 39 /* PPI Data Lengths between 8 and 16 Do Not Zero Out Upper Bits */ 40 #define ANOMALY_05000166 (1) 41 /* Turning SPORTs on while External Frame Sync Is Active May Corrupt Data */ 42 #define ANOMALY_05000167 (1) 43 /* Undefined Behavior when Power-Up Sequence Is Issued to SDRAM during Auto-Refresh */ 44 #define ANOMALY_05000168 (__SILICON_REVISION__ < 5) 45 /* DATA CPLB Page Miss Can Result in Lost Write-Through Data Cache Writes */ 46 #define ANOMALY_05000169 (__SILICON_REVISION__ < 5) 47 /* Boot-ROM Modifies SICA_IWRx Wakeup Registers */ 48 #define ANOMALY_05000171 (__SILICON_REVISION__ < 5) 49 /* Cache Fill Buffer Data lost */ 50 #define ANOMALY_05000174 (__SILICON_REVISION__ < 5) 51 /* Overlapping Sequencer and Memory Stalls */ 52 #define ANOMALY_05000175 (__SILICON_REVISION__ < 5) 53 /* Overflow Bit Asserted when Multiplication of -1 by -1 Followed by Accumulator Saturation */ 54 #define ANOMALY_05000176 (__SILICON_REVISION__ < 5) 55 /* PPI_COUNT Cannot Be Programmed to 0 in General Purpose TX or RX Modes */ 56 #define ANOMALY_05000179 (__SILICON_REVISION__ < 5) 57 /* PPI_DELAY Not Functional in PPI Modes with 0 Frame Syncs */ 58 #define ANOMALY_05000180 (1) 59 /* Disabling the PPI Resets the PPI Configuration Registers */ 60 #define ANOMALY_05000181 (__SILICON_REVISION__ < 5) 61 /* Internal Memory DMA Does Not Operate at Full Speed */ 62 #define ANOMALY_05000182 (1) 63 /* Timer Pin Limitations for PPI TX Modes with External Frame Syncs */ 64 #define ANOMALY_05000184 (__SILICON_REVISION__ < 5) 65 /* Early PPI Transmit when FS1 Asserts before FS2 in TX Mode with 2 External Frame Syncs */ 66 #define ANOMALY_05000185 (__SILICON_REVISION__ < 5) 67 /* Upper PPI Pins Driven when PPI Packing Enabled and Data Length >8 Bits */ 68 #define ANOMALY_05000186 (__SILICON_REVISION__ < 5) 69 /* IMDMA Corrupted Data after a Halt */ 70 #define ANOMALY_05000187 (1) 71 /* IMDMA Restrictions on Descriptor and Buffer Placement in Memory */ 72 #define ANOMALY_05000188 (__SILICON_REVISION__ < 5) 73 /* False Protection Exceptions when Speculative Fetch Is Cancelled */ 74 #define ANOMALY_05000189 (__SILICON_REVISION__ < 5) 75 /* PPI Not Functional at Core Voltage < 1Volt */ 76 #define ANOMALY_05000190 (1) 77 /* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */ 78 #define ANOMALY_05000193 (__SILICON_REVISION__ < 5) 79 /* Restarting SPORT in Specific Modes May Cause Data Corruption */ 80 #define ANOMALY_05000194 (__SILICON_REVISION__ < 5) 81 /* Failing MMR Accesses when Preceding Memory Read Stalls */ 82 #define ANOMALY_05000198 (__SILICON_REVISION__ < 5) 83 /* Current DMA Address Shows Wrong Value During Carry Fix */ 84 #define ANOMALY_05000199 (__SILICON_REVISION__ < 5) 85 /* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */ 86 #define ANOMALY_05000200 (__SILICON_REVISION__ < 5) 87 /* Possible Infinite Stall with Specific Dual-DAG Situation */ 88 #define ANOMALY_05000202 (__SILICON_REVISION__ < 5) 89 /* Incorrect Data Read with Writethrough "Allocate Cache Lines on Reads Only" Cache Mode */ 90 #define ANOMALY_05000204 (__SILICON_REVISION__ < 5) 91 /* Specific Sequence that Can Cause DMA Error or DMA Stopping */ 92 #define ANOMALY_05000205 (__SILICON_REVISION__ < 5) 93 /* Recovery from "Brown-Out" Condition */ 94 #define ANOMALY_05000207 (__SILICON_REVISION__ < 5) 95 /* VSTAT Status Bit in PLL_STAT Register Is Not Functional */ 96 #define ANOMALY_05000208 (1) 97 /* Speed Path in Computational Unit Affects Certain Instructions */ 98 #define ANOMALY_05000209 (__SILICON_REVISION__ < 5) 99 /* UART TX Interrupt Masked Erroneously */ 100 #define ANOMALY_05000215 (__SILICON_REVISION__ < 5) 101 /* NMI Event at Boot Time Results in Unpredictable State */ 102 #define ANOMALY_05000219 (__SILICON_REVISION__ < 5) 103 /* Data Corruption/Core Hang with L2/L3 Configured in Writeback Cache Mode */ 104 #define ANOMALY_05000220 (__SILICON_REVISION__ < 4) 105 /* Incorrect Pulse-Width of UART Start Bit */ 106 #define ANOMALY_05000225 (__SILICON_REVISION__ < 5) 107 /* Scratchpad Memory Bank Reads May Return Incorrect Data */ 108 #define ANOMALY_05000227 (__SILICON_REVISION__ < 5) 109 /* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */ 110 #define ANOMALY_05000230 (__SILICON_REVISION__ < 5) 111 /* UART STB Bit Incorrectly Affects Receiver Setting */ 112 #define ANOMALY_05000231 (__SILICON_REVISION__ < 5) 113 /* SPORT Data Transmit Lines Are Incorrectly Driven in Multichannel Mode */ 114 #define ANOMALY_05000232 (__SILICON_REVISION__ < 5) 115 /* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */ 116 #define ANOMALY_05000242 (__SILICON_REVISION__ < 5) 117 /* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */ 118 #define ANOMALY_05000244 (__SILICON_REVISION__ < 5) 119 /* False Hardware Error from an Access in the Shadow of a Conditional Branch */ 120 #define ANOMALY_05000245 (__SILICON_REVISION__ < 5) 121 /* TESTSET Operation Forces Stall on the Other Core */ 122 #define ANOMALY_05000248 (__SILICON_REVISION__ < 5) 123 /* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */ 124 #define ANOMALY_05000250 (__SILICON_REVISION__ > 2 && __SILICON_REVISION__ < 5) 125 /* Exception Not Generated for MMR Accesses in Reserved Region */ 126 #define ANOMALY_05000251 (__SILICON_REVISION__ < 5) 127 /* Maximum External Clock Speed for Timers */ 128 #define ANOMALY_05000253 (__SILICON_REVISION__ < 5) 129 /* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */ 130 #define ANOMALY_05000254 (__SILICON_REVISION__ > 3) 131 /* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */ 132 /* Tempoary work around for kgdb bug 6333 in SMP kernel. It looks coreb hangs in exception 133 * without handling anomaly 05000257 properly on bf561 v0.5. This work around may change 134 * after the behavior and the root cause are confirmed with hardware team. 135 */ 136 #define ANOMALY_05000257 (__SILICON_REVISION__ < 5 || (__SILICON_REVISION__ == 5 && CONFIG_SMP)) 137 /* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */ 138 #define ANOMALY_05000258 (__SILICON_REVISION__ < 5) 139 /* ICPLB_STATUS MMR Register May Be Corrupted */ 140 #define ANOMALY_05000260 (__SILICON_REVISION__ < 5) 141 /* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */ 142 #define ANOMALY_05000261 (__SILICON_REVISION__ < 5) 143 /* Stores To Data Cache May Be Lost */ 144 #define ANOMALY_05000262 (__SILICON_REVISION__ < 5) 145 /* Hardware Loop Corrupted When Taking an ICPLB Exception */ 146 #define ANOMALY_05000263 (__SILICON_REVISION__ < 5) 147 /* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */ 148 #define ANOMALY_05000264 (__SILICON_REVISION__ < 5) 149 /* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */ 150 #define ANOMALY_05000265 (__SILICON_REVISION__ < 5) 151 /* IMDMA Destination IRQ Status Must Be Read Prior to Using IMDMA */ 152 #define ANOMALY_05000266 (__SILICON_REVISION__ > 3) 153 /* IMDMA May Corrupt Data under Certain Conditions */ 154 #define ANOMALY_05000267 (1) 155 /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */ 156 #define ANOMALY_05000269 (1) 157 /* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */ 158 #define ANOMALY_05000270 (1) 159 /* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */ 160 #define ANOMALY_05000272 (1) 161 /* Data Cache Write Back to External Synchronous Memory May Be Lost */ 162 #define ANOMALY_05000274 (1) 163 /* PPI Timing and Sampling Information Updates */ 164 #define ANOMALY_05000275 (__SILICON_REVISION__ > 2) 165 /* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */ 166 #define ANOMALY_05000276 (__SILICON_REVISION__ < 5) 167 /* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */ 168 #define ANOMALY_05000277 (__SILICON_REVISION__ < 5) 169 /* Disabling Peripherals with DMA Running May Cause DMA System Instability */ 170 #define ANOMALY_05000278 (__SILICON_REVISION__ < 5) 171 /* False Hardware Error when ISR Context Is Not Restored */ 172 /* Temporarily walk around for bug 5423 till this issue is confirmed by 173 * official anomaly document. It looks 05000281 still exists on bf561 174 * v0.5. 175 */ 176 #define ANOMALY_05000281 (__SILICON_REVISION__ <= 5) 177 /* System MMR Write Is Stalled Indefinitely when Killed in a Particular Stage */ 178 #define ANOMALY_05000283 (1) 179 /* Reads Will Receive Incorrect Data under Certain Conditions */ 180 #define ANOMALY_05000287 (__SILICON_REVISION__ < 5) 181 /* SPORTs May Receive Bad Data If FIFOs Fill Up */ 182 #define ANOMALY_05000288 (__SILICON_REVISION__ < 5) 183 /* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */ 184 #define ANOMALY_05000301 (1) 185 /* SSYNCs after Writes to DMA MMR Registers May Not Be Handled Correctly */ 186 #define ANOMALY_05000302 (1) 187 /* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */ 188 #define ANOMALY_05000305 (__SILICON_REVISION__ < 5) 189 /* SCKELOW Bit Does Not Maintain State Through Hibernate */ 190 #define ANOMALY_05000307 (__SILICON_REVISION__ < 5) 191 /* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */ 192 #define ANOMALY_05000310 (1) 193 /* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */ 194 #define ANOMALY_05000312 (1) 195 /* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */ 196 #define ANOMALY_05000313 (1) 197 /* Killed System MMR Write Completes Erroneously on Next System MMR Access */ 198 #define ANOMALY_05000315 (1) 199 /* PF2 Output Remains Asserted after SPI Master Boot */ 200 #define ANOMALY_05000320 (__SILICON_REVISION__ > 3) 201 /* Erroneous GPIO Flag Pin Operations under Specific Sequences */ 202 #define ANOMALY_05000323 (1) 203 /* SPORT Secondary Receive Channel Not Functional when Word Length >16 Bits */ 204 #define ANOMALY_05000326 (__SILICON_REVISION__ > 3) 205 /* 24-Bit SPI Boot Mode Is Not Functional */ 206 #define ANOMALY_05000331 (__SILICON_REVISION__ < 5) 207 /* Slave SPI Boot Mode Is Not Functional */ 208 #define ANOMALY_05000332 (__SILICON_REVISION__ < 5) 209 /* Flag Data Register Writes One SCLK Cycle after Edge Is Detected May Clear Interrupt Status */ 210 #define ANOMALY_05000333 (__SILICON_REVISION__ < 5) 211 /* ALT_TIMING Bit in PLL_CTL Register Is Not Functional */ 212 #define ANOMALY_05000339 (__SILICON_REVISION__ < 5) 213 /* Memory DMA FIFO Causes Throughput Degradation on Writes to External Memory */ 214 #define ANOMALY_05000343 (__SILICON_REVISION__ < 5) 215 /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ 216 #define ANOMALY_05000357 (1) 217 /* Conflicting Column Address Widths Causes SDRAM Errors */ 218 #define ANOMALY_05000362 (1) 219 /* UART Break Signal Issues */ 220 #define ANOMALY_05000363 (__SILICON_REVISION__ < 5) 221 /* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ 222 #define ANOMALY_05000366 (1) 223 /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ 224 #define ANOMALY_05000371 (1) 225 /* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ 226 #define ANOMALY_05000403 (1) 227 /* TESTSET Instruction Causes Data Corruption with Writeback Data Cache Enabled */ 228 #define ANOMALY_05000412 (1) 229 /* Speculative Fetches Can Cause Undesired External FIFO Operations */ 230 #define ANOMALY_05000416 (1) 231 /* Multichannel SPORT Channel Misalignment Under Specific Configuration */ 232 #define ANOMALY_05000425 (1) 233 /* Speculative Fetches of Indirect-Pointer Instructions Can Cause False Hardware Errors */ 234 #define ANOMALY_05000426 (1) 235 /* Lost/Corrupted L2/L3 Memory Write after Speculative L2 Memory Read by Core B */ 236 #define ANOMALY_05000428 (__SILICON_REVISION__ > 3) 237 /* IFLUSH Instruction at End of Hardware Loop Causes Infinite Stall */ 238 #define ANOMALY_05000443 (1) 239 /* SCKELOW Feature Is Not Functional */ 240 #define ANOMALY_05000458 (1) 241 /* False Hardware Error when RETI Points to Invalid Memory */ 242 #define ANOMALY_05000461 (1) 243 /* Synchronization Problem at Startup May Cause SPORT Transmit Channels to Misalign */ 244 #define ANOMALY_05000462 (1) 245 /* Boot Failure When SDRAM Control Signals Toggle Coming Out Of Reset */ 246 #define ANOMALY_05000471 (1) 247 /* Interrupted SPORT Receive Data Register Read Results In Underflow when SLEN > 15 */ 248 #define ANOMALY_05000473 (1) 249 /* Possible Lockup Condition when Modifying PLL from External Memory */ 250 #define ANOMALY_05000475 (1) 251 /* TESTSET Instruction Cannot Be Interrupted */ 252 #define ANOMALY_05000477 (1) 253 /* Reads of ITEST_COMMAND and ITEST_DATA Registers Cause Cache Corruption */ 254 #define ANOMALY_05000481 (1) 255 /* PLL May Latch Incorrect Values Coming Out of Reset */ 256 #define ANOMALY_05000489 (1) 257 /* Instruction Memory Stalls Can Cause IFLUSH to Fail */ 258 #define ANOMALY_05000491 (1) 259 /* EXCPT Instruction May Be Lost If NMI Happens Simultaneously */ 260 #define ANOMALY_05000494 (1) 261 /* RXS Bit in SPI_STAT May Become Stuck In RX DMA Modes */ 262 #define ANOMALY_05000501 (1) 263 264 /* 265 * These anomalies have been "phased" out of analog.com anomaly sheets and are 266 * here to show running on older silicon just isn't feasible. 267 */ 268 269 /* Trace Buffers May Contain Errors in Emulation Mode and/or Exception, NMI, Reset Handlers */ 270 #define ANOMALY_05000116 (__SILICON_REVISION__ < 3) 271 /* Erroneous Exception when Enabling Cache */ 272 #define ANOMALY_05000125 (__SILICON_REVISION__ < 3) 273 /* Two bits in the Watchpoint Status Register (WPSTAT) are swapped */ 274 #define ANOMALY_05000134 (__SILICON_REVISION__ < 3) 275 /* Enable wires from the Data Watchpoint Address Control Register (WPDACTL) are swapped */ 276 #define ANOMALY_05000135 (__SILICON_REVISION__ < 3) 277 /* Stall in multi-unit DMA operations */ 278 #define ANOMALY_05000136 (__SILICON_REVISION__ < 3) 279 /* Allowing the SPORT RX FIFO to fill will cause an overflow */ 280 #define ANOMALY_05000140 (__SILICON_REVISION__ < 3) 281 /* Infinite Stall may occur with a particular sequence of consecutive dual dag events */ 282 #define ANOMALY_05000141 (__SILICON_REVISION__ < 3) 283 /* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */ 284 #define ANOMALY_05000142 (__SILICON_REVISION__ < 3) 285 /* DMA and TESTSET conflict when both are accessing external memory */ 286 #define ANOMALY_05000144 (__SILICON_REVISION__ < 3) 287 /* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */ 288 #define ANOMALY_05000145 (__SILICON_REVISION__ < 3) 289 /* MDMA may lose the first few words of a descriptor chain */ 290 #define ANOMALY_05000146 (__SILICON_REVISION__ < 3) 291 /* Source MDMA descriptor may stop with a DMA Error near beginning of descriptor fetch */ 292 #define ANOMALY_05000147 (__SILICON_REVISION__ < 3) 293 /* DMA engine may lose data due to incorrect handshaking */ 294 #define ANOMALY_05000150 (__SILICON_REVISION__ < 3) 295 /* DMA stalls when all three controllers read data from the same source */ 296 #define ANOMALY_05000151 (__SILICON_REVISION__ < 3) 297 /* Execution stall when executing in L2 and doing external accesses */ 298 #define ANOMALY_05000152 (__SILICON_REVISION__ < 3) 299 /* Frame Delay in SPORT Multichannel Mode */ 300 #define ANOMALY_05000153 (__SILICON_REVISION__ < 3) 301 /* SPORT TFS signal stays active in multichannel mode outside of valid channels */ 302 #define ANOMALY_05000154 (__SILICON_REVISION__ < 3) 303 /* Killed 32-Bit MMR Write Leads to Next System MMR Access Thinking It Should Be 32-Bit */ 304 #define ANOMALY_05000157 (__SILICON_REVISION__ < 3) 305 /* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */ 306 #define ANOMALY_05000159 (__SILICON_REVISION__ < 3) 307 /* A read from external memory may return a wrong value with data cache enabled */ 308 #define ANOMALY_05000160 (__SILICON_REVISION__ < 3) 309 /* Data Cache Fill data can be corrupted after/during Instruction DMA if certain core stalls exist */ 310 #define ANOMALY_05000161 (__SILICON_REVISION__ < 3) 311 /* DMEM_CONTROL<12> is not set on Reset */ 312 #define ANOMALY_05000162 (__SILICON_REVISION__ < 3) 313 /* SPORT Transmit Data Is Not Gated by External Frame Sync in Certain Conditions */ 314 #define ANOMALY_05000163 (__SILICON_REVISION__ < 3) 315 /* DSPID register values incorrect */ 316 #define ANOMALY_05000172 (__SILICON_REVISION__ < 3) 317 /* DMA vs Core accesses to external memory */ 318 #define ANOMALY_05000173 (__SILICON_REVISION__ < 3) 319 /* PPI does not invert the Driving PPICLK edge in Transmit Modes */ 320 #define ANOMALY_05000191 (__SILICON_REVISION__ < 3) 321 /* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */ 322 #define ANOMALY_05000402 (__SILICON_REVISION__ == 4) 323 324 /* Anomalies that don't exist on this proc */ 325 #define ANOMALY_05000119 (0) 326 #define ANOMALY_05000158 (0) 327 #define ANOMALY_05000183 (0) 328 #define ANOMALY_05000233 (0) 329 #define ANOMALY_05000234 (0) 330 #define ANOMALY_05000273 (0) 331 #define ANOMALY_05000311 (0) 332 #define ANOMALY_05000353 (1) 333 #define ANOMALY_05000364 (0) 334 #define ANOMALY_05000380 (0) 335 #define ANOMALY_05000383 (0) 336 #define ANOMALY_05000386 (1) 337 #define ANOMALY_05000389 (0) 338 #define ANOMALY_05000400 (0) 339 #define ANOMALY_05000430 (0) 340 #define ANOMALY_05000432 (0) 341 #define ANOMALY_05000435 (0) 342 #define ANOMALY_05000440 (0) 343 #define ANOMALY_05000447 (0) 344 #define ANOMALY_05000448 (0) 345 #define ANOMALY_05000456 (0) 346 #define ANOMALY_05000450 (0) 347 #define ANOMALY_05000465 (0) 348 #define ANOMALY_05000467 (0) 349 #define ANOMALY_05000474 (0) 350 #define ANOMALY_05000480 (0) 351 #define ANOMALY_05000485 (0) 352 353 #endif 354