anomaly.h

U-BOOT,著名的Bootloader程序

/*
 * File: include/asm-blackfin/mach-bf561/anomaly.h
 * Bugs: Enter bugs at http://blackfin.uclinux.org/
 *
 * Copyright (C) 2004-2007 Analog Devices Inc.
 * Licensed under the GPL-2 or later.
 */

/* This file shoule be up to date with:
 *  - Revision O, 11/15/2007; ADSP-BF561 Blackfin Processor Anomaly List
 */

#ifndef _MACH_ANOMALY_H_
#define _MACH_ANOMALY_H_

/* We do not support 0.1, 0.2, or 0.4 silicon - sorry */
#if __SILICON_REVISION__ < 3 || __SILICON_REVISION__ == 4
# error will not work on BF561 silicon version 0.0, 0.1, 0.2, or 0.4
#endif

/* Multi-Issue Instruction with dsp32shiftimm in slot1 and P-reg Store in slot 2 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)
/* Trace Buffers may contain errors in emulation mode and/or exception, NMI, reset handlers */
#define ANOMALY_05000116 (__SILICON_REVISION__ < 3)
/* Testset instructions restricted to 32-bit aligned memory locations */
#define ANOMALY_05000120 (1)
/* Rx.H Cannot Be Used to Access 16-bit System MMR Registers */
#define ANOMALY_05000122 (1)
/* Erroneous exception when enabling cache */
#define ANOMALY_05000125 (__SILICON_REVISION__ < 3)
/* Signbits instruction not functional under certain conditions */
#define ANOMALY_05000127 (1)
/* Two bits in the Watchpoint Status Register (WPSTAT) are swapped */
#define ANOMALY_05000134 (__SILICON_REVISION__ < 3)
/* Enable wires from the Data Watchpoint Address Control Register (WPDACTL) are swapped */
#define ANOMALY_05000135 (__SILICON_REVISION__ < 3)
/* Stall in multi-unit DMA operations */
#define ANOMALY_05000136 (__SILICON_REVISION__ < 3)
/* 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)
/* 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)
/* IMDMA S1/D1 channel may stall */
#define ANOMALY_05000149 (1)
/* DMA engine may lose data due to incorrect handshaking */
#define ANOMALY_05000150 (__SILICON_REVISION__ < 3)
/* DMA stalls when all three controllers read data from the same source */
#define ANOMALY_05000151 (__SILICON_REVISION__ < 3)
/* Execution stall when executing in L2 and doing external accesses */
#define ANOMALY_05000152 (__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)
/* Timers in PWM-Out Mode with PPI GP Receive (Input) Mode with 0 Frame Syncs */
#define ANOMALY_05000156 (__SILICON_REVISION__ < 4)
/* Killed 32-bit MMR write leads to next system MMR access thinking it should be 32-bit */
#define ANOMALY_05000157 (__SILICON_REVISION__ < 3)
/* DMA Lock-up at CCLK to SCLK ratios of 4:1, 2:1, or 1:1 */
#define ANOMALY_05000159 (__SILICON_REVISION__ < 3)
/* A read from external memory may return a wrong value with data cache enabled */
#define ANOMALY_05000160 (__SILICON_REVISION__ < 3)
/* Data Cache Fill data can be corrupted after/during Instruction DMA if certain core stalls exist */
#define ANOMALY_05000161 (__SILICON_REVISION__ < 3)
/* DMEM_CONTROL<12> is not set on Reset */
#define ANOMALY_05000162 (__SILICON_REVISION__ < 3)
/* SPORT transmit data is not gated by external frame sync in certain conditions */
#define ANOMALY_05000163 (__SILICON_REVISION__ < 3)
/* PPI Data Lengths Between 8 and 16 Do Not Zero Out Upper Bits */
#define ANOMALY_05000166 (1)
/* Turning Serial Ports on with External Frame Syncs */
#define ANOMALY_05000167 (1)
/* SDRAM auto-refresh and subsequent Power Ups */
#define ANOMALY_05000168 (__SILICON_REVISION__ < 5)
/* DATA CPLB page miss can result in lost write-through cache data writes */
#define ANOMALY_05000169 (__SILICON_REVISION__ < 5)
/* Boot-ROM code modifies SICA_IWRx wakeup registers */
#define ANOMALY_05000171 (__SILICON_REVISION__ < 5)
/* DSPID register values incorrect */
#define ANOMALY_05000172 (__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__ < 5)
/* Overlapping Sequencer and Memory Stalls */
#define ANOMALY_05000175 (__SILICON_REVISION__ < 5)
/* Multiplication of (-1) by (-1) followed by an accumulator saturation */
#define ANOMALY_05000176 (__SILICON_REVISION__ < 5)
/* 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)
/* Disabling the PPI resets the PPI configuration registers */
#define ANOMALY_05000181 (__SILICON_REVISION__ < 5)
/* IMDMA does not operate to full speed for 600MHz and higher devices */
#define ANOMALY_05000182 (1)
/* Timer Pin limitations for PPI TX Modes with External Frame Syncs */
#define ANOMALY_05000184 (__SILICON_REVISION__ < 5)
/* PPI TX Mode with 2 External Frame Syncs */
#define ANOMALY_05000185 (__SILICON_REVISION__ < 5)
/* PPI packing with Data Length greater than 8 bits (not a meaningful mode) */
#define ANOMALY_05000186 (__SILICON_REVISION__ < 5)
/* IMDMA Corrupted Data after a Halt */
#define ANOMALY_05000187 (1)
/* IMDMA Restrictions on Descriptor and Buffer Placement in Memory */
#define ANOMALY_05000188 (__SILICON_REVISION__ < 5)
/* False Protection Exceptions */
#define ANOMALY_05000189 (__SILICON_REVISION__ < 5)
/* PPI not functional at core voltage < 1Volt */
#define ANOMALY_05000190 (1)
/* PPI does not invert the Driving PPICLK edge in Transmit Modes */
#define ANOMALY_05000191 (__SILICON_REVISION__ < 3)
/* False I/O Pin Interrupts on Edge-Sensitive Inputs When Polarity Setting Is Changed */
#define ANOMALY_05000193 (__SILICON_REVISION__ < 5)
/* Restarting SPORT in Specific Modes May Cause Data Corruption */
#define ANOMALY_05000194 (__SILICON_REVISION__ < 5)
/* Failing MMR Accesses When Stalled by Preceding Memory Read */
#define ANOMALY_05000198 (__SILICON_REVISION__ < 5)
/* Current DMA Address Shows Wrong Value During Carry Fix */
#define ANOMALY_05000199 (__SILICON_REVISION__ < 5)
/* SPORT TFS and DT Are Incorrectly Driven During Inactive Channels in Certain Conditions */
#define ANOMALY_05000200 (__SILICON_REVISION__ < 5)
/* Possible Infinite Stall with Specific Dual-DAG Situation */
#define ANOMALY_05000202 (__SILICON_REVISION__ < 5)
/* Incorrect data read with write-through cache and allocate cache lines on reads only mode */
#define ANOMALY_05000204 (__SILICON_REVISION__ < 5)
/* Specific sequence that can cause DMA error or DMA stopping */
#define ANOMALY_05000205 (__SILICON_REVISION__ < 5)
/* Recovery from "Brown-Out" Condition */
#define ANOMALY_05000207 (__SILICON_REVISION__ < 5)
/* 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__ < 5)
/* UART TX Interrupt Masked Erroneously */
#define ANOMALY_05000215 (__SILICON_REVISION__ < 5)
/* NMI Event at Boot Time Results in Unpredictable State */
#define ANOMALY_05000219 (__SILICON_REVISION__ < 5)
/* Data Corruption with Cached External Memory and Non-Cached On-Chip L2 Memory */
#define ANOMALY_05000220 (__SILICON_REVISION__ < 5)
/* 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)
/* 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)
/* SPORT data transmit lines are incorrectly driven in multichannel mode */
#define ANOMALY_05000232 (__SILICON_REVISION__ < 5)
/* 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)
/* Spurious Hardware Error from an Access in the Shadow of a Conditional Branch */
#define ANOMALY_05000245 (__SILICON_REVISION__ < 5)
/* TESTSET operation forces stall on the other core */
#define ANOMALY_05000248 (__SILICON_REVISION__ < 5)
/* Incorrect Bit Shift of Data Word in Multichannel (TDM) Mode in Certain Conditions */
#define ANOMALY_05000250 (__SILICON_REVISION__ > 2 && __SILICON_REVISION__ < 5)
/* Exception Not Generated for MMR Accesses in Reserved Region */
#define ANOMALY_05000251 (__SILICON_REVISION__ < 5)
/* 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__ > 3)
/* 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 (__SILICON_REVISION__ < 5)
/* IMDMA destination IRQ status must be read prior to using IMDMA */
#define ANOMALY_05000266 (__SILICON_REVISION__ > 3)
/* IMDMA may corrupt data under certain conditions */
#define ANOMALY_05000267 (1)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Increase */
#define ANOMALY_05000269 (1)
/* High I/O Activity Causes Output Voltage of Internal Voltage Regulator (Vddint) to Decrease */
#define ANOMALY_05000270 (1)
/* Certain Data Cache Writethrough Modes Fail for Vddint <= 0.9V */
#define ANOMALY_05000272 (1)
/* Data cache write back to external synchronous memory may be lost */
#define ANOMALY_05000274 (1)
/* PPI Timing and Sampling Information Updates */
#define ANOMALY_05000275 (__SILICON_REVISION__ > 2)
/* Timing Requirements Change for External Frame Sync PPI Modes with Non-Zero PPI_DELAY */
#define ANOMALY_05000276 (__SILICON_REVISION__ < 5)
/* Writes to an I/O data register one SCLK cycle after an edge is detected may clear interrupt */
#define ANOMALY_05000277 (__SILICON_REVISION__ < 3)
/* Disabling Peripherals with DMA Running May Cause DMA System Instability */
#define ANOMALY_05000278 (__SILICON_REVISION__ < 5)
/* False Hardware Error Exception When ISR Context Is Not Restored */
#define ANOMALY_05000281 (__SILICON_REVISION__ < 5)
/* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */
#define ANOMALY_05000283 (1)
/* A read will receive incorrect data under certain conditions */
#define ANOMALY_05000287 (__SILICON_REVISION__ < 5)
/* SPORTs May Receive Bad Data If FIFOs Fill Up */
#define ANOMALY_05000288 (__SILICON_REVISION__ < 5)
/* Memory-To-Memory DMA Source/Destination Descriptors Must Be in Same Memory Space */
#define ANOMALY_05000301 (1)
/* SSYNCs After Writes To DMA MMR Registers May Not Be Handled Correctly */
#define ANOMALY_05000302 (1)
/* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */
#define ANOMALY_05000305 (__SILICON_REVISION__ < 5)
/* SCKELOW Bit Does Not Maintain State Through Hibernate */
#define ANOMALY_05000307 (__SILICON_REVISION__ < 5)
/* False Hardware Errors Caused by Fetches at the Boundary of Reserved Memory */
#define ANOMALY_05000310 (1)
/* Errors When SSYNC, CSYNC, or Loads to LT, LB and LC Registers Are Interrupted */
#define ANOMALY_05000312 (1)
/* PPI Is Level-Sensitive on First Transfer */
#define ANOMALY_05000313 (1)
/* Killed System MMR Write Completes Erroneously On Next System MMR Access */
#define ANOMALY_05000315 (1)
/* PF2 Output Remains Asserted After SPI Master Boot */
#define ANOMALY_05000320 (__SILICON_REVISION__ > 3)
/* Erroneous GPIO Flag Pin Operations Under Specific Sequences */
#define ANOMALY_05000323 (1)
/* SPORT Secondary Receive Channel Not Functional When Word Length Exceeds 16 Bits */
#define ANOMALY_05000326 (__SILICON_REVISION__ > 3)
/* New Feature: 24-Bit SPI Boot Mode Support (Not Available On Older Silicon) */
#define ANOMALY_05000331 (__SILICON_REVISION__ < 5)
/* New Feature: Slave SPI Boot Mode Supported (Not Available On Older Silicon) */
#define ANOMALY_05000332 (__SILICON_REVISION__ < 5)
/* Flag Data Register Writes One SCLK Cycle After Edge Is Detected May Clear Interrupt Status */
#define ANOMALY_05000333 (__SILICON_REVISION__ < 5)
/* New Feature: Additional PPI Frame Sync Sampling Options (Not Available on Older Silicon) */
#define ANOMALY_05000339 (__SILICON_REVISION__ < 5)
/* Memory DMA FIFO Causes Throughput Degradation on Writes to External Memory */
#define ANOMALY_05000343 (__SILICON_REVISION__ < 5)
/* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */
#define ANOMALY_05000357 (1)
/* Conflicting Column Address Widths Causes SDRAM Errors */
#define ANOMALY_05000362 (1)
/* 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 (1)

/* Anomalies that don't exist on this proc */
#define ANOMALY_05000158 (0)
#define ANOMALY_05000183 (0)
#define ANOMALY_05000273 (0)
#define ANOMALY_05000311 (0)

#endif