/* * File: include/asm-blackfin/mach-bf533/anomaly.h * Based on: * Author: * * Created: * Description: * * Rev: * * Modified: * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; see the file COPYING. * If not, write to the Free Software Foundation, * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* This file shoule be up to date with: * - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List * - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List * - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ #define _MACH_ANOMALY_H_ /* We do not support 0.1 or 0.2 silicon - sorry */ #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2)) #error Kernel will not work on BF533 Version 0.1 or 0.2 #endif /* Issues that are common to 0.5, 0.4, and 0.3 silicon */ #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) \ || defined(CONFIG_BF_REV_0_3)) #define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in slot1 and store of a P register in slot 2 is not supported */ #define ANOMALY_05000105 /* Watchpoint Status Register (WPSTAT) bits are set on every corresponding match */ #define ANOMALY_05000119 /* DMA_RUN bit is not valid after a Peripheral Receive Channel DMA stops */ #define ANOMALY_05000122 /* Rx.H can not be used to access 16-bit System MMR registers. */ #define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out upper bits*/ #define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */ #define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame syncs */ #define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not functional */ #define ANOMALY_05000219 /* NMI event at boot time results in unpredictable state */ #define ANOMALY_05000229 /* SPI Slave Boot Mode modifies registers */ #define ANOMALY_05000272 /* Certain data cache write through modes fail for VDDint <=0.9V */ #define ANOMALY_05000273 /* Writes to Synchronous SDRAM memory may be lost */ #define ANOMALY_05000277 /* Writes to a flag data register one SCLK cycle after an edge is detected may clear interrupt */ #define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause DMA system instability */ #define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is not restored */ #define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic control */ #define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when killed in a particular stage*/ #define ANOMALY_05000311 /* Erroneous flag pin operations under specific sequences */ #define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC registers are interrupted */ #define ANOMALY_05000313 /* PPI Is Level-Sensitive on First Transfer */ #define ANOMALY_05000315 /* Killed System MMR Write Completes Erroneously On * Next System MMR Access */ #define ANOMALY_05000319 /* Internal Voltage Regulator Values of 1.05V, 1.10V * and 1.15V Not Allowed for LQFP Packages */ #endif /* Issues that are common to 0.5, 0.4, and 0.3 silicon */ /* These issues only occur on 0.3 or 0.4 BF533 */ #if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3)) #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not updated at the same time. */ #define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data Cache Fill can be corrupted after or during Instruction DMA if certain core stalls exist */ #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General Purpose TX or RX modes */ #define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by preceding memory read */ #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during inactive channels in certain conditions */ #define ANOMALY_05000202 /* Possible infinite stall with specific dual dag situation */ #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */ #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */ #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect data*/ #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate Differences in certain Conditions */ #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */ #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to hardware reset */ #define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or IDLE around a Change of Control causes unpredictable results */ #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the shadow of a conditional branch */ #define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware errors */ #define ANOMALY_05000253 /* Maximum external clock speed for Timers */ #define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event interrupt not functional */ #define ANOMALY_05000257 /* An interrupt or exception during short Hardware loops may cause the instruction fetch unit to malfunction */ #define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of the ICPLB Data registers differ */ #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */ #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */ #define ANOMALY_05000262 /* Stores to data cache may be lost */ #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */ #define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE instruction will cause an infinite stall in the second to last instruction in a hardware loop */ #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on SPORT external receive and transmit clocks. */ #define ANOMALY_05000269 /* High I/O activity causes the output voltage of the internal voltage regulator (VDDint) to increase. */ #define ANOMALY_05000270 /* High I/O activity causes the output voltage of the internal voltage regulator (VDDint) to decrease */ #endif /* issues only occur on 0.3 or 0.4 BF533 */ /* These issues are only on 0.4 silicon */ #if (defined(CONFIG_BF_REV_0_4)) #define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */ #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel (TDM) */ #endif /* issues are only on 0.4 silicon */ /* These issues are only on 0.3 silicon */ #if defined(CONFIG_BF_REV_0_3) #define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with External Frame Syncs */ #define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative Instruction or Data Fetches, or by Fetches at the boundary of reserved memory space */ #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs when polarity setting is changed */ #define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data corruption */ #define ANOMALY_05000199 /* DMA current address shows wrong value during carry fix */ #define ANOMALY_05000201 /* Receive frame sync not ignored during active frames in sport MCM */ #define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA stopping */ #if defined(CONFIG_BF533) #define ANOMALY_05000204 /* Incorrect data read with write-through cache and allocate cache lines on reads only mode */ #endif /* CONFIG_BF533 */ #define ANOMALY_05000207 /* Recovery from "brown-out" condition */ #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain instructions */ #define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame Sync Transmit Mode */ #define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */ #endif /* only on 0.3 silicon */ #if defined(CONFIG_BF_REV_0_2) #define ANOMALY_05000067 /* Watchpoints (Hardware Breakpoints) are not * supported */ #define ANOMALY_05000109 /* Reserved bits in SYSCFG register not set at * power on */ #define ANOMALY_05000116 /* Trace Buffers may record discontinuities into * emulation mode and/or exception, NMI, reset * handlers */ #define ANOMALY_05000123 /* DTEST_COMMAND initiated memory access may be * incorrect if data cache or DMA is active */ #define ANOMALY_05000124 /* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, * or 1:1 */ #define ANOMALY_05000125 /* Erroneous exception when enabling cache */ #define ANOMALY_05000126 /* SPI clock polarity and phase bits incorrect * during booting */ #define ANOMALY_05000137 /* DMEM_CONTROL is not set on Reset */ #define ANOMALY_05000138 /* SPI boot will not complete if there is a zero fill * block in the loader file */ #define ANOMALY_05000140 /* Allowing the SPORT RX FIFO to fill will cause an * overflow */ #define ANOMALY_05000141 /* An Infinite Stall occurs with a particular sequence * of consecutive dual dag events */ #define ANOMALY_05000142 /* Interrupts may be lost when a programmable input * flag is configured to be edge sensitive */ #define ANOMALY_05000143 /* A read from external memory may return a wrong * value with data cache enabled */ #define ANOMALY_05000144 /* DMA and TESTSET conflict when both are accessing * external memory */ #define ANOMALY_05000145 /* In PWM_OUT mode, you must enable the PPI block to * generate a waveform from PPI_CLK */ #define ANOMALY_05000146 /* MDMA may lose the first few words of a descriptor * chain */ #define ANOMALY_05000147 /* The source MDMA descriptor may stop with a DMA * Error */ #define ANOMALY_05000148 /* When booting from a 16-bit asynchronous memory * device, the upper 8-bits of each word must be * 0x00 */ #define ANOMALY_05000153 /* Frame Delay in SPORT Multichannel Mode */ #define ANOMALY_05000154 /* SPORT TFS signal is active in Multi-channel mode * outside of valid channels */ #define ANOMALY_05000155 /* Timer1 can not be used for PWMOUT mode when a * certain PPI mode is in use */ #define ANOMALY_05000157 /* A killed 32-bit System MMR write will lead to * the next system MMR access thinking it should be * 32-bit. */ #define ANOMALY_05000163 /* SPORT transmit data is not gated by external frame * sync in certain conditions */ #define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */ #define ANOMALY_05000169 /* DATA CPLB page miss can result in lost * write-through cache data writes */ #define ANOMALY_05000173 /* DMA vs Core accesses to external memory */ #define ANOMALY_05000174 /* Cache Fill Buffer Data lost */ #define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */ #define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an * accumulator saturation */ #define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration * registers */ #define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */ #define ANOMALY_05000191 /* PPI does not invert the Driving PPICLK edge in * Transmit Modes */ #define ANOMALY_05000192 /* In PPI Transmit Modes with External Frame Syncs * POLC */ #define ANOMALY_05000206 /* Internal Voltage Regulator may not start up */ #endif #endif /* _MACH_ANOMALY_H_ */