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1394f032 1/*
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2 * File: include/asm-blackfin/mach-bf533/anomaly.h
3 * Bugs: Enter bugs at http://blackfin.uclinux.org/
1394f032 4 *
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5 * Copyright (C) 2004-2007 Analog Devices Inc.
6 * Licensed under the GPL-2 or later.
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7 */
8
9/* This file shoule be up to date with:
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10 * - Revision X, March 23, 2007; ADSP-BF533 Blackfin Processor Anomaly List
11 * - Revision AB, March 23, 2007; ADSP-BF532 Blackfin Processor Anomaly List
12 * - Revision W, March 23, 2007; ADSP-BF531 Blackfin Processor Anomaly List
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13 */
14
15#ifndef _MACH_ANOMALY_H_
16#define _MACH_ANOMALY_H_
17
18/* We do not support 0.1 or 0.2 silicon - sorry */
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19#if __SILICON_REVISION__ < 3
20# error Kernel will not work on BF533 silicon version 0.0, 0.1, or 0.2
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21#endif
22
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23#if defined(__ADSPBF531__)
24# define ANOMALY_BF531 1
25#else
26# define ANOMALY_BF531 0
27#endif
28#if defined(__ADSPBF532__)
29# define ANOMALY_BF532 1
30#else
31# define ANOMALY_BF532 0
32#endif
33#if defined(__ADSPBF533__)
34# define ANOMALY_BF533 1
35#else
36# define ANOMALY_BF533 0
37#endif
1394f032 38
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39/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 Not Supported */
40#define ANOMALY_05000074 (1)
41/* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */
42#define ANOMALY_05000099 (__SILICON_REVISION__ < 5)
43/* Watchpoint Status Register (WPSTAT) Bits Are Set on Every Corresponding Match */
44#define ANOMALY_05000105 (1)
45/* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */
46#define ANOMALY_05000119 (1)
47/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
48#define ANOMALY_05000122 (1)
49/* Instruction DMA Can Cause Data Cache Fills to Fail (Boot Implications) */
50#define ANOMALY_05000158 (__SILICON_REVISION__ < 5)
51/* PPI Data Lengths Between 8 and 16 Do Not Zero Out Upper Bits */
52#define ANOMALY_05000166 (1)
53/* Turning Serial Ports on with External Frame Syncs */
54#define ANOMALY_05000167 (1)
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/* Timer Pin Limitations for PPI TX Modes with External Frame Syncs */
60#define ANOMALY_05000183 (__SILICON_REVISION__ < 4)
61/* False Protection Exceptions */
62#define ANOMALY_05000189 (__SILICON_REVISION__ < 4)
63/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
64#define ANOMALY_05000193 (__SILICON_REVISION__ < 4)
65/* Restarting SPORT in Specific Modes May Cause Data Corruption */
66#define ANOMALY_05000194 (__SILICON_REVISION__ < 4)
67/* Failing MMR Accesses When Stalled by Preceding Memory Read */
68#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
69/* Current DMA Address Shows Wrong Value During Carry Fix */
70#define ANOMALY_05000199 (__SILICON_REVISION__ < 4)
71/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
72#define ANOMALY_05000200 (__SILICON_REVISION__ < 5)
73/* Receive Frame Sync Not Ignored During Active Frames in SPORT Multi-Channel Mode */
74#define ANOMALY_05000201 (__SILICON_REVISION__ < 4)
75/* Possible Infinite Stall with Specific Dual-DAG Situation */
76#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
77/* Specific Sequence That Can Cause DMA Error or DMA Stopping */
78#define ANOMALY_05000203 (__SILICON_REVISION__ < 4)
79/* Incorrect data read with write-through cache and allocate cache lines on reads only mode */
80#define ANOMALY_05000204 (__SILICON_REVISION__ < 4 && ANOMALY_BF533)
81/* Recovery from "Brown-Out" Condition */
82#define ANOMALY_05000207 (__SILICON_REVISION__ < 4)
83/* VSTAT Status Bit in PLL_STAT Register Is Not Functional */
84#define ANOMALY_05000208 (1)
85/* Speed Path in Computational Unit Affects Certain Instructions */
86#define ANOMALY_05000209 (__SILICON_REVISION__ < 4)
87/* UART TX Interrupt Masked Erroneously */
88#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
89/* NMI Event at Boot Time Results in Unpredictable State */
90#define ANOMALY_05000219 (1)
91/* Incorrect Pulse-Width of UART Start Bit */
92#define ANOMALY_05000225 (__SILICON_REVISION__ < 5)
93/* Scratchpad Memory Bank Reads May Return Incorrect Data */
94#define ANOMALY_05000227 (__SILICON_REVISION__ < 5)
95/* SPI Slave Boot Mode Modifies Registers from Reset Value */
96#define ANOMALY_05000229 (1)
97/* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */
98#define ANOMALY_05000230 (__SILICON_REVISION__ < 5)
99/* UART STB Bit Incorrectly Affects Receiver Setting */
100#define ANOMALY_05000231 (__SILICON_REVISION__ < 5)
101/* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */
102#define ANOMALY_05000233 (__SILICON_REVISION__ < 4)
103/* Incorrect Revision Number in DSPID Register */
104#define ANOMALY_05000234 (__SILICON_REVISION__ == 4)
105/* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */
106#define ANOMALY_05000242 (__SILICON_REVISION__ < 4)
107/* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */
108#define ANOMALY_05000244 (__SILICON_REVISION__ < 5)
109/* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */
110#define ANOMALY_05000245 (1)
111/* Data CPLBs Should Prevent Spurious Hardware Errors */
112#define ANOMALY_05000246 (__SILICON_REVISION__ < 5)
113/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
114#define ANOMALY_05000250 (__SILICON_REVISION__ == 4)
115/* Maximum External Clock Speed for Timers */
116#define ANOMALY_05000253 (__SILICON_REVISION__ < 5)
117/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
118#define ANOMALY_05000254 (__SILICON_REVISION__ > 4)
119/* Entering Hibernate State with RTC Seconds Interrupt Not Functional */
120#define ANOMALY_05000255 (__SILICON_REVISION__ < 5)
121/* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */
122#define ANOMALY_05000257 (__SILICON_REVISION__ < 5)
123/* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */
124#define ANOMALY_05000258 (__SILICON_REVISION__ < 5)
125/* ICPLB_STATUS MMR Register May Be Corrupted */
126#define ANOMALY_05000260 (__SILICON_REVISION__ < 5)
127/* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */
128#define ANOMALY_05000261 (__SILICON_REVISION__ < 5)
129/* Stores To Data Cache May Be Lost */
130#define ANOMALY_05000262 (__SILICON_REVISION__ < 5)
131/* Hardware Loop Corrupted When Taking an ICPLB Exception */
132#define ANOMALY_05000263 (__SILICON_REVISION__ < 5)
133/* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */
134#define ANOMALY_05000264 (__SILICON_REVISION__ < 5)
135/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
136#define ANOMALY_05000265 (__SILICON_REVISION__ < 5)
137/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
138#define ANOMALY_05000269 (__SILICON_REVISION__ < 5)
139/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
140#define ANOMALY_05000270 (__SILICON_REVISION__ < 5)
141/* Spontaneous Reset of Internal Voltage Regulator */
142#define ANOMALY_05000271 (__SILICON_REVISION__ < 4)
143/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
144#define ANOMALY_05000272 (1)
145/* Writes to Synchronous SDRAM Memory May Be Lost */
146#define ANOMALY_05000273 (1)
147/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
148#define ANOMALY_05000276 (1)
149/* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */
150#define ANOMALY_05000277 (1)
151/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
152#define ANOMALY_05000278 (1)
153/* False Hardware Error Exception When ISR Context Is Not Restored */
154#define ANOMALY_05000281 (1)
155/* Memory DMA Corruption with 32-Bit Data and Traffic Control */
156#define ANOMALY_05000282 (1)
157/* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */
158#define ANOMALY_05000283 (1)
159/* SPORTs May Receive Bad Data If FIFOs Fill Up */
160#define ANOMALY_05000288 (1)
161/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
162#define ANOMALY_05000301 (1)
163/* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */
164#define ANOMALY_05000302 (__SILICON_REVISION__ < 5)
165/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */
166#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
167/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available On Older Silicon) */
168#define ANOMALY_05000306 (__SILICON_REVISION__ < 5)
169/* 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)
1394f032 181
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182/* These anomalies have been "phased" out of analog.com anomaly sheets and are
183 * here to show running on older silicon just isn't feasible.
184 */
1394f032 185
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186/* Watchpoints (Hardware Breakpoints) are not supported */
187#define ANOMALY_05000067 (__SILICON_REVISION__ < 3)
188/* Reserved bits in SYSCFG register not set at power on */
189#define ANOMALY_05000109 (__SILICON_REVISION__ < 3)
190/* Trace Buffers may record discontinuities into emulation mode and/or exception, NMI, reset handlers */
191#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
192/* DTEST_COMMAND initiated memory access may be incorrect if data cache or DMA is active */
193#define ANOMALY_05000123 (__SILICON_REVISION__ < 3)
194/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
195#define ANOMALY_05000124 (__SILICON_REVISION__ < 3)
196/* Erroneous exception when enabling cache */
197#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
198/* SPI clock polarity and phase bits incorrect during booting */
199#define ANOMALY_05000126 (__SILICON_REVISION__ < 3)
200/* DMEM_CONTROL is not set on Reset */
201#define ANOMALY_05000137 (__SILICON_REVISION__ < 3)
202/* SPI boot will not complete if there is a zero fill block in the loader file */
203#define ANOMALY_05000138 (__SILICON_REVISION__ < 3)
204/* Allowing the SPORT RX FIFO to fill will cause an overflow */
205#define ANOMALY_05000140 (__SILICON_REVISION__ < 3)
206/* An Infinite Stall occurs with a particular sequence of consecutive dual dag events */
207#define ANOMALY_05000141 (__SILICON_REVISION__ < 3)
208/* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */
209#define ANOMALY_05000142 (__SILICON_REVISION__ < 3)
210/* A read from external memory may return a wrong value with data cache enabled */
211#define ANOMALY_05000143 (__SILICON_REVISION__ < 3)
212/* DMA and TESTSET conflict when both are accessing external memory */
213#define ANOMALY_05000144 (__SILICON_REVISION__ < 3)
214/* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */
215#define ANOMALY_05000145 (__SILICON_REVISION__ < 3)
216/* MDMA may lose the first few words of a descriptor chain */
217#define ANOMALY_05000146 (__SILICON_REVISION__ < 3)
218/* The source MDMA descriptor may stop with a DMA Error */
219#define ANOMALY_05000147 (__SILICON_REVISION__ < 3)
220/* When booting from a 16-bit asynchronous memory device, the upper 8-bits of each word must be 0x00 */
221#define ANOMALY_05000148 (__SILICON_REVISION__ < 3)
222/* Frame Delay in SPORT Multichannel Mode */
223#define ANOMALY_05000153 (__SILICON_REVISION__ < 3)
224/* SPORT TFS signal is active in Multi-channel mode outside of valid channels */
225#define ANOMALY_05000154 (__SILICON_REVISION__ < 3)
226/* Timer1 can not be used for PWMOUT mode when a certain PPI mode is in use */
227#define ANOMALY_05000155 (__SILICON_REVISION__ < 3)
228/* A killed 32-bit System MMR write will lead to the next system MMR access thinking it should be 32-bit. */
229#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
230/* SPORT transmit data is not gated by external frame sync in certain conditions */
231#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
232/* SDRAM auto-refresh and subsequent Power Ups */
233#define ANOMALY_05000168 (__SILICON_REVISION__ < 3)
234/* DATA CPLB page miss can result in lost write-through cache data writes */
235#define ANOMALY_05000169 (__SILICON_REVISION__ < 3)
236/* DMA vs Core accesses to external memory */
237#define ANOMALY_05000173 (__SILICON_REVISION__ < 3)
238/* Cache Fill Buffer Data lost */
239#define ANOMALY_05000174 (__SILICON_REVISION__ < 3)
240/* Overlapping Sequencer and Memory Stalls */
241#define ANOMALY_05000175 (__SILICON_REVISION__ < 3)
242/* Multiplication of (-1) by (-1) followed by an accumulator saturation */
243#define ANOMALY_05000176 (__SILICON_REVISION__ < 3)
244/* Disabling the PPI resets the PPI configuration registers */
245#define ANOMALY_05000181 (__SILICON_REVISION__ < 3)
246/* PPI TX Mode with 2 External Frame Syncs */
247#define ANOMALY_05000185 (__SILICON_REVISION__ < 3)
248/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
249#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
250/* In PPI Transmit Modes with External Frame Syncs POLC */
251#define ANOMALY_05000192 (__SILICON_REVISION__ < 3)
252/* Internal Voltage Regulator may not start up */
253#define ANOMALY_05000206 (__SILICON_REVISION__ < 3)
4bf3f3cb 254
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255/* Anomalies that don't exist on this proc */
256#define ANOMALY_05000266 (0)
2b39331a 257#define ANOMALY_05000323 (0)
4bf3f3cb 258
1394f032 259#endif