path: root/arch/blackfin/mach-bf533/include/mach/anomaly.h

/*
 * File: include/asm-blackfin/mach-bf533/anomaly.h
 * Bugs: Enter bugs at http://blackfin.uclinux.org/
 *
 * Copyright (C) 2004-2009 Analog Devices Inc.
 * Licensed under the GPL-2 or later.
 */

/* This file should be up to date with:
 *  - Revision E, 09/18/2008; ADSP-BF531/BF532/BF533 Blackfin Processor Anomaly List
 */

#ifndef _MACH_ANOMALY_H_
#define _MACH_ANOMALY_H_

/* We do not support 0.1 or 0.2 silicon - sorry */
#if __SILICON_REVISION__ < 3
# error will not work on BF533 silicon version 0.0, 0.1, or 0.2
#endif

#if defined(__ADSPBF531__)
# define ANOMALY_BF531 1
#else
# define ANOMALY_BF531 0
#endif
#if defined(__ADSPBF532__)
# define ANOMALY_BF532 1
#else
# define ANOMALY_BF532 0
#endif
#if defined(__ADSPBF533__)
# define ANOMALY_BF533 1
#else
# define ANOMALY_BF533 0
#endif

/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot2 Not Supported */
#define ANOMALY_05000074 (1)
/* UART Line Status Register (UART_LSR) Bits Are Not Updated at the Same Time */
#define ANOMALY_05000099 (__SILICON_REVISION__ < 5)
/* Watchpoint Status Register (WPSTAT) Bits Are Set on Every Corresponding Match */
#define ANOMALY_05000105 (__SILICON_REVISION__ > 2)
/* DMA_RUN Bit Is Not Valid after a Peripheral Receive Channel DMA Stops */
#define ANOMALY_05000119 (1)
/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
#define ANOMALY_05000122 (1)
/* Instruction DMA Can Cause Data Cache Fills to Fail (Boot Implications) */
#define ANOMALY_05000158 (__SILICON_REVISION__ < 5)
/* PPI Data Lengths between 8 and 16 Do Not Zero Out Upper Bits */
#define ANOMALY_05000166 (1)
/* Turning SPORTs on while External Frame Sync Is Active May Corrupt Data */
#define ANOMALY_05000167 (1)
/* PPI_COUNT Cannot Be Programmed to 0 in General Purpose TX or RX Modes */
#define ANOMALY_05000179 (__SILICON_REVISION__ < 5)
/* PPI_DELAY Not Functional in PPI Modes with 0 Frame Syncs */
#define ANOMALY_05000180 (1)
/* Timer Pin Limitations for PPI TX Modes with External Frame Syncs */
#define ANOMALY_05000183 (__SILICON_REVISION__ < 4)
/* False Protection Exceptions when Speculative Fetch Is Cancelled */
#define ANOMALY_05000189 (__SILICON_REVISION__ < 4)
/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
#define ANOMALY_05000193 (__SILICON_REVISION__ < 4)
/* Restarting SPORT in Specific Modes May Cause Data Corruption */
#define ANOMALY_05000194 (__SILICON_REVISION__ < 4)
/* Failing MMR Accesses when Preceding Memory Read Stalls */
#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
/* Current DMA Address Shows Wrong Value During Carry Fix */
#define ANOMALY_05000199 (__SILICON_REVISION__ < 4)
/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
#define ANOMALY_05000200 (__SILICON_REVISION__ == 3 || __SILICON_REVISION__ == 4)
/* Receive Frame Sync Not Ignored During Active Frames in SPORT Multi-Channel Mode */
#define ANOMALY_05000201 (__SILICON_REVISION__ == 3)
/* Possible Infinite Stall with Specific Dual-DAG Situation */
#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
/* Specific Sequence That Can Cause DMA Error or DMA Stopping */
#define ANOMALY_05000203 (__SILICON_REVISION__ < 4)
/* Incorrect Data Read with Writethrough "Allocate Cache Lines on Reads Only" Cache Mode */
#define ANOMALY_05000204 (__SILICON_REVISION__ < 4 && ANOMALY_BF533)
/* Recovery from "Brown-Out" Condition */
#define ANOMALY_05000207 (__SILICON_REVISION__ < 4)
/* VSTAT Status Bit in PLL_STAT Register Is Not Functional */
#define ANOMALY_05000208 (1)
/* Speed Path in Computational Unit Affects Certain Instructions */
#define ANOMALY_05000209 (__SILICON_REVISION__ < 4)
/* UART TX Interrupt Masked Erroneously */
#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
/* NMI Event at Boot Time Results in Unpredictable State */
#define ANOMALY_05000219 (1)
/* Incorrect Pulse-Width of UART Start Bit */
#define ANOMALY_05000225 (__SILICON_REVISION__ < 5)
/* Scratchpad Memory Bank Reads May Return Incorrect Data */
#define ANOMALY_05000227 (__SILICON_REVISION__ < 5)
/* SPI Slave Boot Mode Modifies Registers from Reset Value */
#define ANOMALY_05000229 (1)
/* UART Receiver is Less Robust Against Baudrate Differences in Certain Conditions */
#define ANOMALY_05000230 (__SILICON_REVISION__ < 5)
/* UART STB Bit Incorrectly Affects Receiver Setting */
#define ANOMALY_05000231 (__SILICON_REVISION__ < 5)
/* PPI_FS3 Is Not Driven in 2 or 3 Internal Frame Sync Transmit Modes */
#define ANOMALY_05000233 (__SILICON_REVISION__ < 6)
/* Incorrect Revision Number in DSPID Register */
#define ANOMALY_05000234 (__SILICON_REVISION__ == 4)
/* DF Bit in PLL_CTL Register Does Not Respond to Hardware Reset */
#define ANOMALY_05000242 (__SILICON_REVISION__ < 5)
/* If I-Cache Is On, CSYNC/SSYNC/IDLE Around Change of Control Causes Failures */
#define ANOMALY_05000244 (__SILICON_REVISION__ < 5)
/* False Hardware Error from an Access in the Shadow of a Conditional Branch */
#define ANOMALY_05000245 (1)
/* Data CPLBs Should Prevent False Hardware Errors */
#define ANOMALY_05000246 (__SILICON_REVISION__ < 5)
/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
#define ANOMALY_05000250 (__SILICON_REVISION__ == 4)
/* Maximum External Clock Speed for Timers */
#define ANOMALY_05000253 (__SILICON_REVISION__ < 5)
/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT Mode with External Clock */
#define ANOMALY_05000254 (__SILICON_REVISION__ > 4)
/* Entering Hibernate State with RTC Seconds Interrupt Not Functional */
#define ANOMALY_05000255 (__SILICON_REVISION__ < 5)
/* Interrupt/Exception During Short Hardware Loop May Cause Bad Instruction Fetches */
#define ANOMALY_05000257 (__SILICON_REVISION__ < 5)
/* Instruction Cache Is Corrupted When Bits 9 and 12 of the ICPLB Data Registers Differ */
#define ANOMALY_05000258 (__SILICON_REVISION__ < 5)
/* ICPLB_STATUS MMR Register May Be Corrupted */
#define ANOMALY_05000260 (__SILICON_REVISION__ < 5)
/* DCPLB_FAULT_ADDR MMR Register May Be Corrupted */
#define ANOMALY_05000261 (__SILICON_REVISION__ < 5)
/* Stores To Data Cache May Be Lost */
#define ANOMALY_05000262 (__SILICON_REVISION__ < 5)
/* Hardware Loop Corrupted When Taking an ICPLB Exception */
#define ANOMALY_05000263 (__SILICON_REVISION__ < 5)
/* CSYNC/SSYNC/IDLE Causes Infinite Stall in Penultimate Instruction in Hardware Loop */
#define ANOMALY_05000264 (__SILICON_REVISION__ < 5)
/* Sensitivity To Noise with Slow Input Edge Rates on External SPORT TX and RX Clocks */
#define ANOMALY_05000265 (1)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
#define ANOMALY_05000269 (__SILICON_REVISION__ < 5)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
#define ANOMALY_05000270 (__SILICON_REVISION__ < 5)
/* Spontaneous Reset of Internal Voltage Regulator */
#define ANOMALY_05000271 (__SILICON_REVISION__ == 3)
/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
#define ANOMALY_05000272 (1)
/* Writes to Synchronous SDRAM Memory May Be Lost */
#define ANOMALY_05000273 (__SILICON_REVISION__ < 6)
/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
#define ANOMALY_05000276 (1)
/* Writes to an I/O Data Register One SCLK Cycle after an Edge Is Detected May Clear Interrupt */
#define ANOMALY_05000277 (__SILICON_REVISION__ < 6)
/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
#define ANOMALY_05000278 (__SILICON_REVISION__ < 6)
/* False Hardware Error Exception when ISR Context Is Not Restored */
#define ANOMALY_05000281 (__SILICON_REVISION__ < 6)
/* Memory DMA Corruption with 32-Bit Data and Traffic Control */
#define ANOMALY_05000282 (__SILICON_REVISION__ < 6)
/* System MMR Write Is Stalled Indefinitely when Killed in a Particular Stage */
#define ANOMALY_05000283 (__SILICON_REVISION__ < 6)
/* SPORTs May Receive Bad Data If FIFOs Fill Up */
#define ANOMALY_05000288 (__SILICON_REVISION__ < 6)
/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
#define ANOMALY_05000301 (__SILICON_REVISION__ < 6)
/* SSYNCs after Writes to DMA MMR Registers May Not Be Handled Correctly */
#define ANOMALY_05000302 (__SILICON_REVISION__ < 5)
/* SPORT_HYS Bit in PLL_CTL Register Is Not Functional */
#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
/* ALT_TIMING Bit in PPI_CONTROL Register Is Not Functional */
#define ANOMALY_05000306 (__SILICON_REVISION__ < 5)
/* SCKELOW Bit Does Not Maintain State Through Hibernate */
#define ANOMALY_05000307 (1)	/* note: brokenness is noted in documentation, not anomaly sheet */
/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
#define ANOMALY_05000310 (1)
/* Erroneous Flag (GPIO) Pin Operations under Specific Sequences */
#define ANOMALY_05000311 (__SILICON_REVISION__ < 6)
/* Errors when SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */
#define ANOMALY_05000312 (__SILICON_REVISION__ < 6)
/* PPI Is Level-Sensitive on First Transfer In Single Frame Sync Modes */
#define ANOMALY_05000313 (__SILICON_REVISION__ < 6)
/* Killed System MMR Write Completes Erroneously on Next System MMR Access */
#define ANOMALY_05000315 (__SILICON_REVISION__ < 6)
/* Internal Voltage Regulator Values of 1.05V, 1.10V and 1.15V Not Allowed for LQFP Packages */
#define ANOMALY_05000319 ((ANOMALY_BF531 || ANOMALY_BF532) && __SILICON_REVISION__ < 6)
/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */
#define ANOMALY_05000357 (__SILICON_REVISION__ < 6)
/* UART Break Signal Issues */
#define ANOMALY_05000363 (__SILICON_REVISION__ < 5)
/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */
#define ANOMALY_05000366 (1)
/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */
#define ANOMALY_05000371 (__SILICON_REVISION__ < 6)
/* PPI Does Not Start Properly In Specific Mode */
#define ANOMALY_05000400 (__SILICON_REVISION__ == 5)
/* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */
#define ANOMALY_05000402 (__SILICON_REVISION__ == 5)
/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */
#define ANOMALY_05000403 (1)
/* Speculative Fetches Can Cause Undesired External FIFO Operations */
#define ANOMALY_05000416 (1)
/* Multichannel SPORT Channel Misalignment Under Specific Configuration */
#define ANOMALY_05000425 (1)
/* Speculative Fetches of Indirect-Pointer Instructions Can Cause False Hardware Errors */
#define ANOMALY_05000426 (1)
/* IFLUSH Instruction at End of Hardware Loop Causes Infinite Stall */
#define ANOMALY_05000443 (1)
/* False Hardware Error when RETI Points to Invalid Memory */
#define ANOMALY_05000461 (1)

/* These anomalies have been "phased" out of analog.com anomaly sheets and are
 * here to show running on older silicon just isn't feasible.
 */

/* Internal voltage regulator can't be modified via register writes */
#define ANOMALY_05000066 (__SILICON_REVISION__ < 2)
/* Watchpoints (Hardware Breakpoints) are not supported */
#define ANOMALY_05000067 (__SILICON_REVISION__ < 3)
/* SDRAM PSSE bit cannot be set again after SDRAM Powerup */
#define ANOMALY_05000070 (__SILICON_REVISION__ < 2)
/* Writing FIO_DIR can corrupt a programmable flag's data */
#define ANOMALY_05000079 (__SILICON_REVISION__ < 2)
/* Timer Auto-Baud Mode requires the UART clock to be enabled. */
#define ANOMALY_05000086 (__SILICON_REVISION__ < 2)
/* Internal Clocking Modes on SPORT0 not supported */
#define ANOMALY_05000088 (__SILICON_REVISION__ < 2)
/* Internal voltage regulator does not wake up from an RTC wakeup */
#define ANOMALY_05000092 (__SILICON_REVISION__ < 2)
/* The IFLUSH Instruction Must Be Preceded by a CSYNC Instruction */
#define ANOMALY_05000093 (__SILICON_REVISION__ < 2)
/* Vectoring to instruction that is being filled into the i-cache may cause erroneous behavior */
#define ANOMALY_05000095 (__SILICON_REVISION__ < 2)
/* PREFETCH, FLUSH, and FLUSHINV Instructions Must Be Followed by a CSYNC Instruction */
#define ANOMALY_05000096 (__SILICON_REVISION__ < 2)
/* Performance Monitor 0 and 1 are swapped when monitoring memory events */
#define ANOMALY_05000097 (__SILICON_REVISION__ < 2)
/* 32-bit SPORT DMA will be word reversed */
#define ANOMALY_05000098 (__SILICON_REVISION__ < 2)
/* Incorrect status in the UART_IIR register */
#define ANOMALY_05000100 (__SILICON_REVISION__ < 2)
/* Reading X_MODIFY or Y_MODIFY while DMA channel is active */
#define ANOMALY_05000101 (__SILICON_REVISION__ < 2)
/* Descriptor MemDMA may lock up with 32-bit transfers or if transfers span 64KB buffers */
#define ANOMALY_05000102 (__SILICON_REVISION__ < 2)
/* Incorrect Value Written to the Cycle Counters */
#define ANOMALY_05000103 (__SILICON_REVISION__ < 2)
/* Stores to L1 Data Memory Incorrect when a Specific Sequence Is Followed */
#define ANOMALY_05000104 (__SILICON_REVISION__ < 2)
/* Programmable Flag (PF3) functionality not supported in all PPI modes */
#define ANOMALY_05000106 (__SILICON_REVISION__ < 2)
/* Data store can be lost when targeting a cache line fill */
#define ANOMALY_05000107 (__SILICON_REVISION__ < 2)
/* Reserved Bits in SYSCFG Register Not Set at Power-On */
#define ANOMALY_05000109 (__SILICON_REVISION__ < 3)
/* Infinite Core Stall */
#define ANOMALY_05000114 (__SILICON_REVISION__ < 2)
/* PPI_FSx may glitch when generated by the on chip Timers. */
#define ANOMALY_05000115 (__SILICON_REVISION__ < 2)
/* Trace Buffers May Contain Errors in Emulation Mode and/or Exception, NMI, Reset Handlers */
#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
/* DTEST registers allow access to Data Cache when DTEST_COMMAND< 14 >= 0 */
#define ANOMALY_05000117 (__SILICON_REVISION__ < 2)
/* Booting from an 8-bit or 24-bit Addressable SPI device is not supported */
#define ANOMALY_05000118 (__SILICON_REVISION__ < 2)
/* DTEST_COMMAND Initiated Memory Access May Be Incorrect If Data Cache or DMA Is Active */
#define ANOMALY_05000123 (__SILICON_REVISION__ < 3)
/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
#define ANOMALY_05000124 (__SILICON_REVISION__ < 3)
/* Erroneous Exception when Enabling Cache */
#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
/* SPI clock polarity and phase bits incorrect during booting */
#define ANOMALY_05000126 (__SILICON_REVISION__ < 3)
/* DMEM_CONTROL<12> Is Not Set on Reset */
#define ANOMALY_05000137 (__SILICON_REVISION__ < 3)
/* SPI boot will not complete if there is a zero fill block in the loader file */
#define ANOMALY_05000138 (__SILICON_REVISION__ == 2)
/* TIMERx_CONFIG[5] must be set for PPI in GP output mode with internal Frame Syncs */
#define ANOMALY_05000139 (__SILICON_REVISION__ < 2)
/* Allowing the SPORT RX FIFO to fill will cause an overflow */
#define ANOMALY_05000140 (__SILICON_REVISION__ < 3)
/* Infinite Stall may occur with a particular sequence of consecutive dual dag events */
#define ANOMALY_05000141 (__SILICON_REVISION__ < 3)
/* Interrupts may be lost when a programmable input flag is configured to be edge sensitive */
#define ANOMALY_05000142 (__SILICON_REVISION__ < 3)
/* A read from external memory may return a wrong value with data cache enabled */
#define ANOMALY_05000143 (__SILICON_REVISION__ < 3)
/* DMA and TESTSET conflict when both are accessing external memory */
#define ANOMALY_05000144 (__SILICON_REVISION__ < 3)
/* In PWM_OUT mode, you must enable the PPI block to generate a waveform from PPI_CLK */
#define ANOMALY_05000145 (__SILICON_REVISION__ < 3)
/* MDMA may lose the first few words of a descriptor chain */
#define ANOMALY_05000146 (__SILICON_REVISION__ < 3)
/* Source MDMA descriptor may stop with a DMA Error near beginning of descriptor fetch */
#define ANOMALY_05000147 (__SILICON_REVISION__ < 3)
/* When booting from 16-bit asynchronous memory, the upper 8 bits of each word must be 0x00 */
#define ANOMALY_05000148 (__SILICON_REVISION__ < 3)
/* Frame Delay in SPORT Multichannel Mode */
#define ANOMALY_05000153 (__SILICON_REVISION__ < 3)
/* SPORT TFS signal stays active in multichannel mode outside of valid channels */
#define ANOMALY_05000154 (__SILICON_REVISION__ < 3)
/* Timer1 can not be used for PWMOUT mode when a certain PPI mode is in use */
#define ANOMALY_05000155 (__SILICON_REVISION__ < 3)
/* Killed 32-Bit MMR Write Leads to Next System MMR Access Thinking It Should Be 32-Bit */
#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
/* SPORT Transmit Data Is Not Gated by External Frame Sync in Certain Conditions */
#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
/* Undefined Behavior when Power-Up Sequence Is Issued to SDRAM during Auto-Refresh */
#define ANOMALY_05000168 (__SILICON_REVISION__ < 3)
/* DATA CPLB Page Miss Can Result in Lost Write-Through Data Cache Writes */
#define ANOMALY_05000169 (__SILICON_REVISION__ < 3)
/* DMA vs Core accesses to external memory */
#define ANOMALY_05000173 (__SILICON_REVISION__ < 3)
/* Cache Fill Buffer Data lost */
#define ANOMALY_05000174 (__SILICON_REVISION__ < 3)
/* Overlapping Sequencer and Memory Stalls */
#define ANOMALY_05000175 (__SILICON_REVISION__ < 3)
/* Overflow Bit Asserted when Multiplication of -1 by -1 Followed by Accumulator Saturation */
#define ANOMALY_05000176 (__SILICON_REVISION__ < 3)
/* Disabling the PPI Resets the PPI Configuration Registers */
#define ANOMALY_05000181 (__SILICON_REVISION__ < 3)
/* Early PPI Transmit when FS1 Asserts before FS2 in TX Mode with 2 External Frame Syncs */
#define ANOMALY_05000185 (__SILICON_REVISION__ < 3)
/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
/* In PPI Transmit Modes with External Frame Syncs POLC bit must be set to 1 */
#define ANOMALY_05000192 (__SILICON_REVISION__ < 3)
/* Internal Voltage Regulator may not start up */
#define ANOMALY_05000206 (__SILICON_REVISION__ < 3)

/* Anomalies that don't exist on this proc */
#define ANOMALY_05000120 (0)
#define ANOMALY_05000149 (0)
#define ANOMALY_05000171 (0)
#define ANOMALY_05000182 (0)
#define ANOMALY_05000220 (0)
#define ANOMALY_05000248 (0)
#define ANOMALY_05000266 (0)
#define ANOMALY_05000274 (0)
#define ANOMALY_05000287 (0)
#define ANOMALY_05000323 (0)
#define ANOMALY_05000353 (1)
#define ANOMALY_05000362 (1)
#define ANOMALY_05000364 (0)
#define ANOMALY_05000380 (0)
#define ANOMALY_05000386 (1)
#define ANOMALY_05000389 (0)
#define ANOMALY_05000412 (0)
#define ANOMALY_05000430 (0)
#define ANOMALY_05000432 (0)
#define ANOMALY_05000435 (0)
#define ANOMALY_05000447 (0)
#define ANOMALY_05000448 (0)
#define ANOMALY_05000456 (0)
#define ANOMALY_05000450 (0)
#define ANOMALY_05000465 (0)
#define ANOMALY_05000467 (0)

#endif