anomaly.h

U-boot源码 ARM7启动代码

/*
 * File:	include/asm-blackfin/arch-bf561/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 L, 10Aug2006; ADSP-BF561 Silicon Anomaly List
 */

#ifndef _MACH_ANOMALY_H_
#define _MACH_ANOMALY_H_

/* We do not support 0.1 or 0.4 silicon - sorry */
#if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2) || defined(CONFIG_BF_REV_0_4))
#error Kernel will not work on BF561 Version 0.1, 0.2, or 0.4
#endif

/* Issues that are common to 0.5 and  0.3 silicon */
#if  (defined(CONFIG_BF_REV_0_5) || 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_05000099	/* UART Line Status Register (UART_LSR) bits are not
				   updated at the same time. */
#define ANOMALY_05000120	/* Testset instructions restricted to 32-bit aligned
				   memory locations */
#define ANOMALY_05000122	/* Rx.H cannot be used to access 16-bit System MMR
				   registers */
#define ANOMALY_05000127	/* Signbits instruction not functional under certain
				   conditions */
#define ANOMALY_05000149	/* IMDMA S1/D1 channel may stall */
#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_05000182	/* IMDMA does not operate to full speed for 600MHz
				   and higher devices */
#define ANOMALY_05000187	/* IMDMA Corrupted Data after a Halt */
#define ANOMALY_05000190	/* PPI not functional at core voltage < 1Volt */
#define ANOMALY_05000208	/* VSTAT status bit in PLL_STAT register is not
				   functional */
#define ANOMALY_05000245	/* Spurious Hardware Error from an access in the
				   shadow of a conditional branch */
#define ANOMALY_05000257	/* Interrupt/Exception during short hardware loop
				   may cause bad instruction fetches */
#define ANOMALY_05000265	/* Sensitivity to noise with slow input edge rates on
				   external SPORT TX and RX clocks */
#define ANOMALY_05000267	/* IMDMA may corrupt data under certain conditions */
#define ANOMALY_05000269	/* High I/O activity causes output voltage of internal
				   voltage regulator (VDDint) to increase */
#define ANOMALY_05000270	/* High I/O activity causes output voltage of internal
				   voltage regulator (VDDint) to decrease */
#define ANOMALY_05000272	/* Certain data cache write through modes fail for
				   VDDint <=0.9V */
#define ANOMALY_05000274	/* Data cache write back to external synchronous memory
				   may be lost */
#define ANOMALY_05000275	/* PPI Timing and sampling informaton updates */
#endif				/*  (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_3)) */

#if  (defined(CONFIG_BF_REV_0_5))
#define ANOMALY_05000254	/* Incorrect Timer Pulse Width in Single-Shot PWM_OUT
				   mode with external clock */
#define ANOMALY_05000266	/* IMDMA destination IRQ status must be read prior to
				   using IMDMA */
#endif

#if  (defined(CONFIG_BF_REV_0_3))
#define ANOMALY_05000156	/* Timers in PWM-Out Mode with PPI GP Receive (Input)
				   Mode with 0 Frame Syncs */
#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_05000171	/* Boot-ROM code modifies SICA_IWRx wakeup registers */
#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_05000179	/* PPI_COUNT cannot be programmed to 0 in General
				   Purpose TX or RX modes */
#define ANOMALY_05000181	/* Disabling the PPI resets the PPI configuration
				   registers */
#define ANOMALY_05000184	/* Timer Pin limitations for PPI TX Modes with
				   External Frame Syncs */
#define ANOMALY_05000185	/* PPI TX Mode with 2 External Frame Syncs */
#define ANOMALY_05000186	/* PPI packing with Data Length greater than 8 bits
				   (not a meaningful mode) */
#define ANOMALY_05000188	/* IMDMA Restrictions on Descriptor and Buffer
				   Placement in Memory */
#define ANOMALY_05000189	/* False Protection Exception */
#define ANOMALY_05000193	/* False Flag Pin Interrupts on Edge Sensitive Inputs
				   when polarity setting is changed */
#define ANOMALY_05000194	/* Restarting SPORT in specific modes may cause data
				   corruption */
#define ANOMALY_05000198	/* Failing MMR accesses when stalled by preceding
				   memory read */
#define ANOMALY_05000199	/* DMA current address shows wrong value during carry
				   fix */
#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_05000204	/* Incorrect data read with write-through cache and
				   allocate cache lines on reads only mode */
#define ANOMALY_05000205	/* Specific sequence that can cause DMA error or DMA
				   stopping */
#define ANOMALY_05000207	/* Recovery from "brown-out" condition */
#define ANOMALY_05000209	/* Speed-Path in computational unit affects certain
				   instructions */
#define ANOMALY_05000215	/* UART TX Interrupt masked erroneously */
#define ANOMALY_05000219	/* NMI event at boot time results in unpredictable
				   state */
#define ANOMALY_05000220	/* Data Corruption with Cached External Memory and
				   Non-Cached On-Chip L2 Memory */
#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_05000232	/* SPORT data transmit lines are incorrectly driven in
				   multichannel mode */
#define ANOMALY_05000242	/* DF bit in PLL_CTL register does not respond to
				   hardware reset */
#define ANOMALY_05000244	/* If i-cache is on, CSYNC/SSYNC/IDLE around Change of
				   Control causes failures */
#define ANOMALY_05000248	/* TESTSET operation forces stall on the other core */
#define ANOMALY_05000250	/* Incorrect Bit-Shift of Data Word in Multichannel
				   (TDM) mode in certain conditions */
#define ANOMALY_05000251	/* Exception not generated for MMR accesses in
				   reserved region */
#define ANOMALY_05000253	/* Maximum external clock speed for Timers */
#define ANOMALY_05000258	/* Instruction Cache is corrupted when bits 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	/* CSYNC/SSYNC/IDLE causes infinite stall in second
				   to last instruction in hardware loop */
#define ANOMALY_05000276	/* Timing requirements change for External Frame
				   Sync PPI Modes with non-zero PPI_DELAY */
#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_05000283	/* An MMR write is stalled indefinitely when killed
				   in a particular stage */
#define ANOMALY_05000287	/* A read will receive incorrect data under certain
				   conditions */
#define ANOMALY_05000288	/* SPORTs may receive bad data if FIFOs fill up */
#endif

#endif				/* _MACH_ANOMALY_H_ */