blob: 0c1d461939397ab9caadd65e4f8e3cd6df867768 [file] [log] [blame]
Mike Frysingerd4d77302008-02-04 19:26:55 -05001/*
2 * File: include/asm-blackfin/mach-bf561/anomaly.h
3 * Bugs: Enter bugs at http://blackfin.uclinux.org/
4 *
5 * Copyright (C) 2004-2007 Analog Devices Inc.
6 * Licensed under the GPL-2 or later.
7 */
8
9/* This file shoule be up to date with:
10 * - Revision O, 11/15/2007; ADSP-BF561 Blackfin Processor Anomaly List
11 */
12
13#ifndef _MACH_ANOMALY_H_
14#define _MACH_ANOMALY_H_
15
16/* We do not support 0.1, 0.2, or 0.4 silicon - sorry */
17#if __SILICON_REVISION__ < 3 || __SILICON_REVISION__ == 4
18# error will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4
19#endif
20
21/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */
22#define ANOMALY_05000074 (1)
23/* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */
24#define ANOMALY_05000099 (__SILICON_REVISION__ < 5)
25/* Trace Buffers may contain errors in emulation mode and/or exception, NMI, reset handlers */
26#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
27/* Testset instructions restricted to 32-bit aligned memory locations */
28#define ANOMALY_05000120 (1)
29/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
30#define ANOMALY_05000122 (1)
31/* Erroneous exception when enabling cache */
32#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
33/* Signbits instruction not functional under certain conditions */
34#define ANOMALY_05000127 (1)
35/* Two bits in the Watchpoint Status Register (WPSTAT) are swapped */
36#define ANOMALY_05000134 (__SILICON_REVISION__ < 3)
37/* Enable wires from the Data Watchpoint Address Control Register (WPDACTL) are swapped */
38#define ANOMALY_05000135 (__SILICON_REVISION__ < 3)
39/* Stall in multi-unit DMA operations */
40#define ANOMALY_05000136 (__SILICON_REVISION__ < 3)
41/* Allowing the SPORT RX FIFO to fill will cause an overflow */
42#define ANOMALY_05000140 (__SILICON_REVISION__ < 3)
43/* Infinite Stall may occur with a particular sequence of consecutive dual dag events */
44#define ANOMALY_05000141 (__SILICON_REVISION__ < 3)
45/* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */
46#define ANOMALY_05000142 (__SILICON_REVISION__ < 3)
47/* DMA and TESTSET conflict when both are accessing external memory */
48#define ANOMALY_05000144 (__SILICON_REVISION__ < 3)
49/* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */
50#define ANOMALY_05000145 (__SILICON_REVISION__ < 3)
51/* MDMA may lose the first few words of a descriptor chain */
52#define ANOMALY_05000146 (__SILICON_REVISION__ < 3)
53/* Source MDMA descriptor may stop with a DMA Error near beginning of descriptor fetch */
54#define ANOMALY_05000147 (__SILICON_REVISION__ < 3)
55/* IMDMA S1/D1 channel may stall */
56#define ANOMALY_05000149 (1)
57/* DMA engine may lose data due to incorrect handshaking */
58#define ANOMALY_05000150 (__SILICON_REVISION__ < 3)
59/* DMA stalls when all three controllers read data from the same source */
60#define ANOMALY_05000151 (__SILICON_REVISION__ < 3)
61/* Execution stall when executing in L2 and doing external accesses */
62#define ANOMALY_05000152 (__SILICON_REVISION__ < 3)
63/* Frame Delay in SPORT Multichannel Mode */
64#define ANOMALY_05000153 (__SILICON_REVISION__ < 3)
65/* SPORT TFS signal stays active in multichannel mode outside of valid channels */
66#define ANOMALY_05000154 (__SILICON_REVISION__ < 3)
67/* Timers in PWM-Out Mode with PPI GP Receive (Input) Mode with 0 Frame Syncs */
68#define ANOMALY_05000156 (__SILICON_REVISION__ < 4)
69/* Killed 32-bit MMR write leads to next system MMR access thinking it should be 32-bit */
70#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
71/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
72#define ANOMALY_05000159 (__SILICON_REVISION__ < 3)
73/* A read from external memory may return a wrong value with data cache enabled */
74#define ANOMALY_05000160 (__SILICON_REVISION__ < 3)
75/* Data Cache Fill data can be corrupted after/during Instruction DMA if certain core stalls exist */
76#define ANOMALY_05000161 (__SILICON_REVISION__ < 3)
77/* DMEM_CONTROL<12> is not set on Reset */
78#define ANOMALY_05000162 (__SILICON_REVISION__ < 3)
79/* SPORT transmit data is not gated by external frame sync in certain conditions */
80#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
81/* PPI Data Lengths Between 8 and 16 Do Not Zero Out Upper Bits */
82#define ANOMALY_05000166 (1)
83/* Turning Serial Ports on with External Frame Syncs */
84#define ANOMALY_05000167 (1)
85/* SDRAM auto-refresh and subsequent Power Ups */
86#define ANOMALY_05000168 (__SILICON_REVISION__ < 5)
87/* DATA CPLB page miss can result in lost write-through cache data writes */
88#define ANOMALY_05000169 (__SILICON_REVISION__ < 5)
89/* Boot-ROM code modifies SICA_IWRx wakeup registers */
90#define ANOMALY_05000171 (__SILICON_REVISION__ < 5)
91/* DSPID register values incorrect */
92#define ANOMALY_05000172 (__SILICON_REVISION__ < 3)
93/* DMA vs Core accesses to external memory */
94#define ANOMALY_05000173 (__SILICON_REVISION__ < 3)
95/* Cache Fill Buffer Data lost */
96#define ANOMALY_05000174 (__SILICON_REVISION__ < 5)
97/* Overlapping Sequencer and Memory Stalls */
98#define ANOMALY_05000175 (__SILICON_REVISION__ < 5)
99/* Multiplication of (-1) by (-1) followed by an accumulator saturation */
100#define ANOMALY_05000176 (__SILICON_REVISION__ < 5)
101/* PPI_COUNT Cannot Be Programmed to 0 in General Purpose TX or RX Modes */
102#define ANOMALY_05000179 (__SILICON_REVISION__ < 5)
103/* PPI_DELAY Not Functional in PPI Modes with 0 Frame Syncs */
104#define ANOMALY_05000180 (1)
105/* Disabling the PPI resets the PPI configuration registers */
106#define ANOMALY_05000181 (__SILICON_REVISION__ < 5)
107/* IMDMA does not operate to full speed for 600MHz and higher devices */
108#define ANOMALY_05000182 (1)
109/* Timer Pin limitations for PPI TX Modes with External Frame Syncs */
110#define ANOMALY_05000184 (__SILICON_REVISION__ < 5)
111/* PPI TX Mode with 2 External Frame Syncs */
112#define ANOMALY_05000185 (__SILICON_REVISION__ < 5)
113/* PPI packing with Data Length greater than 8 bits (not a meaningful mode) */
114#define ANOMALY_05000186 (__SILICON_REVISION__ < 5)
115/* IMDMA Corrupted Data after a Halt */
116#define ANOMALY_05000187 (1)
117/* IMDMA Restrictions on Descriptor and Buffer Placement in Memory */
118#define ANOMALY_05000188 (__SILICON_REVISION__ < 5)
119/* False Protection Exceptions */
120#define ANOMALY_05000189 (__SILICON_REVISION__ < 5)
121/* PPI not functional at core voltage < 1Volt */
122#define ANOMALY_05000190 (1)
123/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
124#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
125/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
126#define ANOMALY_05000193 (__SILICON_REVISION__ < 5)
127/* Restarting SPORT in Specific Modes May Cause Data Corruption */
128#define ANOMALY_05000194 (__SILICON_REVISION__ < 5)
129/* Failing MMR Accesses When Stalled by Preceding Memory Read */
130#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
131/* Current DMA Address Shows Wrong Value During Carry Fix */
132#define ANOMALY_05000199 (__SILICON_REVISION__ < 5)
133/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
134#define ANOMALY_05000200 (__SILICON_REVISION__ < 5)
135/* Possible Infinite Stall with Specific Dual-DAG Situation */
136#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
137/* Incorrect data read with write-through cache and allocate cache lines on reads only mode */
138#define ANOMALY_05000204 (__SILICON_REVISION__ < 5)
139/* Specific sequence that can cause DMA error or DMA stopping */
140#define ANOMALY_05000205 (__SILICON_REVISION__ < 5)
141/* Recovery from "Brown-Out" Condition */
142#define ANOMALY_05000207 (__SILICON_REVISION__ < 5)
143/* VSTAT Status Bit in PLL_STAT Register Is Not Functional */
144#define ANOMALY_05000208 (1)
145/* Speed Path in Computational Unit Affects Certain Instructions */
146#define ANOMALY_05000209 (__SILICON_REVISION__ < 5)
147/* UART TX Interrupt Masked Erroneously */
148#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
149/* NMI Event at Boot Time Results in Unpredictable State */
150#define ANOMALY_05000219 (__SILICON_REVISION__ < 5)
151/* Data Corruption with Cached External Memory and Non-Cached On-Chip L2 Memory */
152#define ANOMALY_05000220 (__SILICON_REVISION__ < 5)
153/* Incorrect Pulse-Width of UART Start Bit */
154#define ANOMALY_05000225 (__SILICON_REVISION__ < 5)
155/* Scratchpad Memory Bank Reads May Return Incorrect Data */
156#define ANOMALY_05000227 (__SILICON_REVISION__ < 5)
157/* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */
158#define ANOMALY_05000230 (__SILICON_REVISION__ < 5)
159/* UART STB Bit Incorrectly Affects Receiver Setting */
160#define ANOMALY_05000231 (__SILICON_REVISION__ < 5)
161/* SPORT data transmit lines are incorrectly driven in multichannel mode */
162#define ANOMALY_05000232 (__SILICON_REVISION__ < 5)
163/* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */
164#define ANOMALY_05000242 (__SILICON_REVISION__ < 5)
165/* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */
166#define ANOMALY_05000244 (__SILICON_REVISION__ < 5)
167/* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */
168#define ANOMALY_05000245 (__SILICON_REVISION__ < 5)
169/* TESTSET operation forces stall on the other core */
170#define ANOMALY_05000248 (__SILICON_REVISION__ < 5)
171/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
172#define ANOMALY_05000250 (__SILICON_REVISION__ > 2 && __SILICON_REVISION__ < 5)
173/* Exception Not Generated for MMR Accesses in Reserved Region */
174#define ANOMALY_05000251 (__SILICON_REVISION__ < 5)
175/* Maximum External Clock Speed for Timers */
176#define ANOMALY_05000253 (__SILICON_REVISION__ < 5)
177/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
178#define ANOMALY_05000254 (__SILICON_REVISION__ > 3)
179/* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */
180#define ANOMALY_05000257 (__SILICON_REVISION__ < 5)
181/* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */
182#define ANOMALY_05000258 (__SILICON_REVISION__ < 5)
183/* ICPLB_STATUS MMR Register May Be Corrupted */
184#define ANOMALY_05000260 (__SILICON_REVISION__ < 5)
185/* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */
186#define ANOMALY_05000261 (__SILICON_REVISION__ < 5)
187/* Stores To Data Cache May Be Lost */
188#define ANOMALY_05000262 (__SILICON_REVISION__ < 5)
189/* Hardware Loop Corrupted When Taking an ICPLB Exception */
190#define ANOMALY_05000263 (__SILICON_REVISION__ < 5)
191/* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */
192#define ANOMALY_05000264 (__SILICON_REVISION__ < 5)
193/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
194#define ANOMALY_05000265 (__SILICON_REVISION__ < 5)
195/* IMDMA destination IRQ status must be read prior to using IMDMA */
196#define ANOMALY_05000266 (__SILICON_REVISION__ > 3)
197/* IMDMA may corrupt data under certain conditions */
198#define ANOMALY_05000267 (1)
199/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
200#define ANOMALY_05000269 (1)
201/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
202#define ANOMALY_05000270 (1)
203/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
204#define ANOMALY_05000272 (1)
205/* Data cache write back to external synchronous memory may be lost */
206#define ANOMALY_05000274 (1)
207/* PPI Timing and Sampling Information Updates */
208#define ANOMALY_05000275 (__SILICON_REVISION__ > 2)
209/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
210#define ANOMALY_05000276 (__SILICON_REVISION__ < 5)
211/* Writes to an I/O data register one SCLK cycle after an edge is detected may clear interrupt */
212#define ANOMALY_05000277 (__SILICON_REVISION__ < 3)
213/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
214#define ANOMALY_05000278 (__SILICON_REVISION__ < 5)
215/* False Hardware Error Exception When ISR Context Is Not Restored */
216#define ANOMALY_05000281 (__SILICON_REVISION__ < 5)
217/* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */
218#define ANOMALY_05000283 (1)
219/* A read will receive incorrect data under certain conditions */
220#define ANOMALY_05000287 (__SILICON_REVISION__ < 5)
221/* SPORTs May Receive Bad Data If FIFOs Fill Up */
222#define ANOMALY_05000288 (__SILICON_REVISION__ < 5)
223/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
224#define ANOMALY_05000301 (1)
225/* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */
226#define ANOMALY_05000302 (1)
227/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */
228#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
229/* SCKELOW Bit Does Not Maintain State Through Hibernate */
230#define ANOMALY_05000307 (__SILICON_REVISION__ < 5)
231/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
232#define ANOMALY_05000310 (1)
233/* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */
234#define ANOMALY_05000312 (1)
235/* PPI Is Level-Sensitive on First Transfer */
236#define ANOMALY_05000313 (1)
237/* Killed System MMR Write Completes Erroneously On Next System MMR Access */
238#define ANOMALY_05000315 (1)
239/* PF2 Output Remains Asserted After SPI Master Boot */
240#define ANOMALY_05000320 (__SILICON_REVISION__ > 3)
241/* Erroneous GPIO Flag Pin Operations Under Specific Sequences */
242#define ANOMALY_05000323 (1)
243/* SPORT Secondary Receive Channel Not Functional When Word Length Exceeds 16 Bits */
244#define ANOMALY_05000326 (__SILICON_REVISION__ > 3)
245/* New Feature: 24-Bit SPI Boot Mode Support (Not Available On Older Silicon) */
246#define ANOMALY_05000331 (__SILICON_REVISION__ < 5)
247/* New Feature: Slave SPI Boot Mode Supported (Not Available On Older Silicon) */
248#define ANOMALY_05000332 (__SILICON_REVISION__ < 5)
249/* Flag Data Register Writes One SCLK Cycle After Edge Is Detected May Clear Interrupt Status */
250#define ANOMALY_05000333 (__SILICON_REVISION__ < 5)
251/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available on Older Silicon) */
252#define ANOMALY_05000339 (__SILICON_REVISION__ < 5)
253/* Memory DMA FIFO Causes Throughput Degradation on Writes to External Memory */
254#define ANOMALY_05000343 (__SILICON_REVISION__ < 5)
255/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */
256#define ANOMALY_05000357 (1)
257/* Conflicting Column Address Widths Causes SDRAM Errors */
258#define ANOMALY_05000362 (1)
259/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */
260#define ANOMALY_05000366 (1)
261/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */
262#define ANOMALY_05000371 (1)
263
264/* Anomalies that don't exist on this proc */
265#define ANOMALY_05000158 (0)
266#define ANOMALY_05000183 (0)
267#define ANOMALY_05000273 (0)
268#define ANOMALY_05000311 (0)
269
270#endif