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Mike Frysinger66c4cf42008-02-04 19:26:55 -05001/*
2 * File: include/asm-blackfin/mach-bf533/anomaly.h
3 * Bugs: Enter bugs at http://blackfin.uclinux.org/
4 *
Mike Frysinger5e857882008-08-07 13:09:50 -04005 * Copyright (C) 2004-2008 Analog Devices Inc.
Mike Frysinger66c4cf42008-02-04 19:26:55 -05006 * Licensed under the GPL-2 or later.
7 */
8
9/* This file shoule be up to date with:
Mike Frysinger5e857882008-08-07 13:09:50 -040010 * - Revision C, 02/08/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List
Mike Frysinger66c4cf42008-02-04 19:26:55 -050011 */
12
13#ifndef _MACH_ANOMALY_H_
14#define _MACH_ANOMALY_H_
15
16/* We do not support 0.1 or 0.2 silicon - sorry */
17#if __SILICON_REVISION__ < 3
18# error will not work on BF533 silicon version 0.0, 0.1, or 0.2
19#endif
20
21#if defined(__ADSPBF531__)
22# define ANOMALY_BF531 1
23#else
24# define ANOMALY_BF531 0
25#endif
26#if defined(__ADSPBF532__)
27# define ANOMALY_BF532 1
28#else
29# define ANOMALY_BF532 0
30#endif
31#if defined(__ADSPBF533__)
32# define ANOMALY_BF533 1
33#else
34# define ANOMALY_BF533 0
35#endif
36
37/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */
38#define ANOMALY_05000074 (1)
39/* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */
40#define ANOMALY_05000099 (__SILICON_REVISION__ < 5)
41/* Watchpoint Status Register (WPSTAT) Bits Are Set on Every Corresponding Match */
42#define ANOMALY_05000105 (1)
43/* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */
44#define ANOMALY_05000119 (1)
45/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
46#define ANOMALY_05000122 (1)
47/* Instruction DMA Can Cause Data Cache Fills to Fail (Boot Implications) */
48#define ANOMALY_05000158 (__SILICON_REVISION__ < 5)
49/* PPI Data Lengths Between 8 and 16 Do Not Zero Out Upper Bits */
50#define ANOMALY_05000166 (1)
51/* Turning Serial Ports on with External Frame Syncs */
52#define ANOMALY_05000167 (1)
53/* PPI_COUNT Cannot Be Programmed to 0 in General Purpose TX or RX Modes */
54#define ANOMALY_05000179 (__SILICON_REVISION__ < 5)
55/* PPI_DELAY Not Functional in PPI Modes with 0 Frame Syncs */
56#define ANOMALY_05000180 (1)
57/* Timer Pin Limitations for PPI TX Modes with External Frame Syncs */
58#define ANOMALY_05000183 (__SILICON_REVISION__ < 4)
59/* False Protection Exceptions */
60#define ANOMALY_05000189 (__SILICON_REVISION__ < 4)
61/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
62#define ANOMALY_05000193 (__SILICON_REVISION__ < 4)
63/* Restarting SPORT in Specific Modes May Cause Data Corruption */
64#define ANOMALY_05000194 (__SILICON_REVISION__ < 4)
65/* Failing MMR Accesses When Stalled by Preceding Memory Read */
66#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
67/* Current DMA Address Shows Wrong Value During Carry Fix */
68#define ANOMALY_05000199 (__SILICON_REVISION__ < 4)
69/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
70#define ANOMALY_05000200 (__SILICON_REVISION__ < 5)
71/* Receive Frame Sync Not Ignored During Active Frames in SPORT Multi-Channel Mode */
72#define ANOMALY_05000201 (__SILICON_REVISION__ < 4)
73/* Possible Infinite Stall with Specific Dual-DAG Situation */
74#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
75/* Specific Sequence That Can Cause DMA Error or DMA Stopping */
76#define ANOMALY_05000203 (__SILICON_REVISION__ < 4)
77/* Incorrect data read with write-through cache and allocate cache lines on reads only mode */
78#define ANOMALY_05000204 (__SILICON_REVISION__ < 4 && ANOMALY_BF533)
79/* Recovery from "Brown-Out" Condition */
80#define ANOMALY_05000207 (__SILICON_REVISION__ < 4)
81/* VSTAT Status Bit in PLL_STAT Register Is Not Functional */
82#define ANOMALY_05000208 (1)
83/* Speed Path in Computational Unit Affects Certain Instructions */
84#define ANOMALY_05000209 (__SILICON_REVISION__ < 4)
85/* UART TX Interrupt Masked Erroneously */
86#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
87/* NMI Event at Boot Time Results in Unpredictable State */
88#define ANOMALY_05000219 (1)
89/* Incorrect Pulse-Width of UART Start Bit */
90#define ANOMALY_05000225 (__SILICON_REVISION__ < 5)
91/* Scratchpad Memory Bank Reads May Return Incorrect Data */
92#define ANOMALY_05000227 (__SILICON_REVISION__ < 5)
93/* SPI Slave Boot Mode Modifies Registers from Reset Value */
94#define ANOMALY_05000229 (1)
95/* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */
96#define ANOMALY_05000230 (__SILICON_REVISION__ < 5)
97/* UART STB Bit Incorrectly Affects Receiver Setting */
98#define ANOMALY_05000231 (__SILICON_REVISION__ < 5)
99/* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */
100#define ANOMALY_05000233 (__SILICON_REVISION__ < 4)
101/* Incorrect Revision Number in DSPID Register */
102#define ANOMALY_05000234 (__SILICON_REVISION__ == 4)
103/* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */
104#define ANOMALY_05000242 (__SILICON_REVISION__ < 4)
105/* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */
106#define ANOMALY_05000244 (__SILICON_REVISION__ < 5)
107/* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */
108#define ANOMALY_05000245 (1)
109/* Data CPLBs Should Prevent Spurious Hardware Errors */
110#define ANOMALY_05000246 (__SILICON_REVISION__ < 5)
111/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
112#define ANOMALY_05000250 (__SILICON_REVISION__ == 4)
113/* Maximum External Clock Speed for Timers */
114#define ANOMALY_05000253 (__SILICON_REVISION__ < 5)
115/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
116#define ANOMALY_05000254 (__SILICON_REVISION__ > 4)
117/* Entering Hibernate State with RTC Seconds Interrupt Not Functional */
118#define ANOMALY_05000255 (__SILICON_REVISION__ < 5)
119/* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */
120#define ANOMALY_05000257 (__SILICON_REVISION__ < 5)
121/* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */
122#define ANOMALY_05000258 (__SILICON_REVISION__ < 5)
123/* ICPLB_STATUS MMR Register May Be Corrupted */
124#define ANOMALY_05000260 (__SILICON_REVISION__ < 5)
125/* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */
126#define ANOMALY_05000261 (__SILICON_REVISION__ < 5)
127/* Stores To Data Cache May Be Lost */
128#define ANOMALY_05000262 (__SILICON_REVISION__ < 5)
129/* Hardware Loop Corrupted When Taking an ICPLB Exception */
130#define ANOMALY_05000263 (__SILICON_REVISION__ < 5)
131/* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */
132#define ANOMALY_05000264 (__SILICON_REVISION__ < 5)
133/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
134#define ANOMALY_05000265 (__SILICON_REVISION__ < 5)
135/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
136#define ANOMALY_05000269 (__SILICON_REVISION__ < 5)
137/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
138#define ANOMALY_05000270 (__SILICON_REVISION__ < 5)
139/* Spontaneous Reset of Internal Voltage Regulator */
140#define ANOMALY_05000271 (__SILICON_REVISION__ < 4)
141/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
142#define ANOMALY_05000272 (1)
143/* Writes to Synchronous SDRAM Memory May Be Lost */
144#define ANOMALY_05000273 (1)
145/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
146#define ANOMALY_05000276 (1)
147/* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */
148#define ANOMALY_05000277 (1)
149/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
150#define ANOMALY_05000278 (1)
151/* False Hardware Error Exception When ISR Context Is Not Restored */
152#define ANOMALY_05000281 (1)
153/* Memory DMA Corruption with 32-Bit Data and Traffic Control */
154#define ANOMALY_05000282 (1)
155/* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */
156#define ANOMALY_05000283 (1)
157/* SPORTs May Receive Bad Data If FIFOs Fill Up */
158#define ANOMALY_05000288 (1)
159/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
160#define ANOMALY_05000301 (1)
161/* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */
162#define ANOMALY_05000302 (__SILICON_REVISION__ < 5)
163/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */
164#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
165/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */
166#define ANOMALY_05000306 (__SILICON_REVISION__ < 5)
Mike Frysinger5e857882008-08-07 13:09:50 -0400167/* SCKELOW Bit Does Not Maintain State Through Hibernate */
168#define ANOMALY_05000307 (1)
Mike Frysinger66c4cf42008-02-04 19:26:55 -0500169/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
170#define ANOMALY_05000310 (1)
171/* Erroneous Flag (GPIO) Pin Operations under Specific Sequences */
172#define ANOMALY_05000311 (1)
173/* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */
174#define ANOMALY_05000312 (1)
175/* PPI Is Level-Sensitive on First Transfer */
176#define ANOMALY_05000313 (1)
177/* Killed System MMR Write Completes Erroneously On Next System MMR Access */
178#define ANOMALY_05000315 (1)
179/* Internal Voltage Regulator Values of 1.05V, 1.10V and 1.15V Not Allowed for LQFP Packages */
180#define ANOMALY_05000319 (ANOMALY_BF531 || ANOMALY_BF532)
Mike Frysinger5e857882008-08-07 13:09:50 -0400181/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */
182#define ANOMALY_05000357 (1)
183/* UART Break Signal Issues */
184#define ANOMALY_05000363 (__SILICON_REVISION__ < 5)
185/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */
186#define ANOMALY_05000366 (1)
187/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */
188#define ANOMALY_05000371 (1)
189/* PPI Does Not Start Properly In Specific Mode */
190#define ANOMALY_05000400 (__SILICON_REVISION__ >= 5)
191/* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */
192#define ANOMALY_05000402 (__SILICON_REVISION__ >= 5)
193/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */
194#define ANOMALY_05000403 (1)
195
Mike Frysinger66c4cf42008-02-04 19:26:55 -0500196
197/* These anomalies have been "phased" out of analog.com anomaly sheets and are
198 * here to show running on older silicon just isn't feasible.
199 */
200
201/* Watchpoints (Hardware Breakpoints) are not supported */
202#define ANOMALY_05000067 (__SILICON_REVISION__ < 3)
203/* Reserved bits in SYSCFG register not set at power on */
204#define ANOMALY_05000109 (__SILICON_REVISION__ < 3)
205/* Trace Buffers may record discontinuities into emulation mode and/or exception, NMI, reset handlers */
206#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
207/* DTEST_COMMAND initiated memory access may be incorrect if data cache or DMA is active */
208#define ANOMALY_05000123 (__SILICON_REVISION__ < 3)
209/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
210#define ANOMALY_05000124 (__SILICON_REVISION__ < 3)
211/* Erroneous exception when enabling cache */
212#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
213/* SPI clock polarity and phase bits incorrect during booting */
214#define ANOMALY_05000126 (__SILICON_REVISION__ < 3)
215/* DMEM_CONTROL is not set on Reset */
216#define ANOMALY_05000137 (__SILICON_REVISION__ < 3)
217/* SPI boot will not complete if there is a zero fill block in the loader file */
218#define ANOMALY_05000138 (__SILICON_REVISION__ < 3)
219/* Allowing the SPORT RX FIFO to fill will cause an overflow */
220#define ANOMALY_05000140 (__SILICON_REVISION__ < 3)
221/* An Infinite Stall occurs with a particular sequence of consecutive dual dag events */
222#define ANOMALY_05000141 (__SILICON_REVISION__ < 3)
223/* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */
224#define ANOMALY_05000142 (__SILICON_REVISION__ < 3)
225/* A read from external memory may return a wrong value with data cache enabled */
226#define ANOMALY_05000143 (__SILICON_REVISION__ < 3)
227/* DMA and TESTSET conflict when both are accessing external memory */
228#define ANOMALY_05000144 (__SILICON_REVISION__ < 3)
229/* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */
230#define ANOMALY_05000145 (__SILICON_REVISION__ < 3)
231/* MDMA may lose the first few words of a descriptor chain */
232#define ANOMALY_05000146 (__SILICON_REVISION__ < 3)
233/* The source MDMA descriptor may stop with a DMA Error */
234#define ANOMALY_05000147 (__SILICON_REVISION__ < 3)
235/* When booting from a 16-bit asynchronous memory device, the upper 8-bits of each word must be 0x00 */
236#define ANOMALY_05000148 (__SILICON_REVISION__ < 3)
237/* Frame Delay in SPORT Multichannel Mode */
238#define ANOMALY_05000153 (__SILICON_REVISION__ < 3)
239/* SPORT TFS signal is active in Multi-channel mode outside of valid channels */
240#define ANOMALY_05000154 (__SILICON_REVISION__ < 3)
241/* Timer1 can not be used for PWMOUT mode when a certain PPI mode is in use */
242#define ANOMALY_05000155 (__SILICON_REVISION__ < 3)
243/* A killed 32-bit System MMR write will lead to the next system MMR access thinking it should be 32-bit. */
244#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
245/* SPORT transmit data is not gated by external frame sync in certain conditions */
246#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
247/* SDRAM auto-refresh and subsequent Power Ups */
248#define ANOMALY_05000168 (__SILICON_REVISION__ < 3)
249/* DATA CPLB page miss can result in lost write-through cache data writes */
250#define ANOMALY_05000169 (__SILICON_REVISION__ < 3)
251/* DMA vs Core accesses to external memory */
252#define ANOMALY_05000173 (__SILICON_REVISION__ < 3)
253/* Cache Fill Buffer Data lost */
254#define ANOMALY_05000174 (__SILICON_REVISION__ < 3)
255/* Overlapping Sequencer and Memory Stalls */
256#define ANOMALY_05000175 (__SILICON_REVISION__ < 3)
257/* Multiplication of (-1) by (-1) followed by an accumulator saturation */
258#define ANOMALY_05000176 (__SILICON_REVISION__ < 3)
259/* Disabling the PPI resets the PPI configuration registers */
260#define ANOMALY_05000181 (__SILICON_REVISION__ < 3)
261/* PPI TX Mode with 2 External Frame Syncs */
262#define ANOMALY_05000185 (__SILICON_REVISION__ < 3)
263/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
264#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
265/* In PPI Transmit Modes with External Frame Syncs POLC */
266#define ANOMALY_05000192 (__SILICON_REVISION__ < 3)
267/* Internal Voltage Regulator may not start up */
268#define ANOMALY_05000206 (__SILICON_REVISION__ < 3)
Mike Frysinger66c4cf42008-02-04 19:26:55 -0500269
270/* Anomalies that don't exist on this proc */
271#define ANOMALY_05000266 (0)
272#define ANOMALY_05000323 (0)
Mike Frysinger5e857882008-08-07 13:09:50 -0400273#define ANOMALY_05000353 (1)
Mike Frysinger66c4cf42008-02-04 19:26:55 -0500274
275#endif