Mike Frysinger | d4d7730 | 2008-02-04 19:26:55 -0500 | [diff] [blame] | 1 | /* |
| 2 | * File: include/asm-blackfin/mach-bf537/anomaly.h |
| 3 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ |
| 4 | * |
| 5 | * Copyright (C) 2004-2007 Analog Devices Inc. |
| 6 | * Licensed under the GPL-2 or later. |
| 7 | */ |
| 8 | |
| 9 | /* This file shoule be up to date with: |
| 10 | * - Revision A, 09/04/2007; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List |
| 11 | */ |
| 12 | |
| 13 | #ifndef _MACH_ANOMALY_H_ |
| 14 | #define _MACH_ANOMALY_H_ |
| 15 | |
| 16 | /* We do not support 0.1 silicon - sorry */ |
| 17 | #if __SILICON_REVISION__ < 2 |
| 18 | # error will not work on BF537 silicon version 0.0 or 0.1 |
| 19 | #endif |
| 20 | |
| 21 | #if defined(__ADSPBF534__) |
| 22 | # define ANOMALY_BF534 1 |
| 23 | #else |
| 24 | # define ANOMALY_BF534 0 |
| 25 | #endif |
| 26 | #if defined(__ADSPBF536__) |
| 27 | # define ANOMALY_BF536 1 |
| 28 | #else |
| 29 | # define ANOMALY_BF536 0 |
| 30 | #endif |
| 31 | #if defined(__ADSPBF537__) |
| 32 | # define ANOMALY_BF537 1 |
| 33 | #else |
| 34 | # define ANOMALY_BF537 0 |
| 35 | #endif |
| 36 | |
| 37 | /* Multi-issue instruction with dsp32shiftimm in slot1 and P-reg store in slot 2 not supported */ |
| 38 | #define ANOMALY_05000074 (1) |
| 39 | /* DMA_RUN bit is not valid after a Peripheral Receive Channel DMA stops */ |
| 40 | #define ANOMALY_05000119 (1) |
| 41 | /* Rx.H cannot be used to access 16-bit System MMR registers */ |
| 42 | #define ANOMALY_05000122 (1) |
| 43 | /* Killed 32-bit MMR write leads to next system MMR access thinking it should be 32-bit */ |
| 44 | #define ANOMALY_05000157 (__SILICON_REVISION__ < 2) |
| 45 | /* Turning SPORTs on while External Frame Sync Is Active May Corrupt Data */ |
| 46 | #define ANOMALY_05000167 (1) |
| 47 | /* PPI_DELAY not functional in PPI modes with 0 frame syncs */ |
| 48 | #define ANOMALY_05000180 (1) |
| 49 | /* Instruction Cache Is Not Functional */ |
| 50 | #define ANOMALY_05000237 (__SILICON_REVISION__ < 2) |
| 51 | /* If i-cache is on, CSYNC/SSYNC/IDLE around Change of Control causes failures */ |
| 52 | #define ANOMALY_05000244 (__SILICON_REVISION__ < 3) |
| 53 | /* Spurious Hardware Error from an access in the shadow of a conditional branch */ |
| 54 | #define ANOMALY_05000245 (1) |
| 55 | /* CLKIN Buffer Output Enable Reset Behavior Is Changed */ |
| 56 | #define ANOMALY_05000247 (1) |
| 57 | /* Incorrect Bit-Shift of Data Word in Multichannel (TDM) mode in certain conditions */ |
| 58 | #define ANOMALY_05000250 (__SILICON_REVISION__ < 3) |
| 59 | /* EMAC Tx DMA error after an early frame abort */ |
| 60 | #define ANOMALY_05000252 (__SILICON_REVISION__ < 3) |
| 61 | /* Maximum external clock speed for Timers */ |
| 62 | #define ANOMALY_05000253 (__SILICON_REVISION__ < 3) |
| 63 | /* Incorrect Timer Pulse Width in Single-Shot PWM_OUT mode with external clock */ |
| 64 | #define ANOMALY_05000254 (__SILICON_REVISION__ > 2) |
| 65 | /* Entering Hibernate Mode with RTC Seconds event interrupt not functional */ |
| 66 | #define ANOMALY_05000255 (__SILICON_REVISION__ < 3) |
| 67 | /* EMAC MDIO input latched on wrong MDC edge */ |
| 68 | #define ANOMALY_05000256 (__SILICON_REVISION__ < 3) |
| 69 | /* Interrupt/Exception during short hardware loop may cause bad instruction fetches */ |
| 70 | #define ANOMALY_05000257 (__SILICON_REVISION__ < 3) |
| 71 | /* Instruction Cache is corrupted when bits 9 and 12 of the ICPLB Data registers differ */ |
| 72 | #define ANOMALY_05000258 (((ANOMALY_BF536 || ANOMALY_BF537) && __SILICON_REVISION__ == 1) || __SILICON_REVISION__ == 2) |
| 73 | /* ICPLB_STATUS MMR register may be corrupted */ |
| 74 | #define ANOMALY_05000260 (__SILICON_REVISION__ == 2) |
| 75 | /* DCPLB_FAULT_ADDR MMR register may be corrupted */ |
| 76 | #define ANOMALY_05000261 (__SILICON_REVISION__ < 3) |
| 77 | /* Stores to data cache may be lost */ |
| 78 | #define ANOMALY_05000262 (__SILICON_REVISION__ < 3) |
| 79 | /* Hardware loop corrupted when taking an ICPLB exception */ |
| 80 | #define ANOMALY_05000263 (__SILICON_REVISION__ == 2) |
| 81 | /* CSYNC/SSYNC/IDLE causes infinite stall in second to last instruction in hardware loop */ |
| 82 | #define ANOMALY_05000264 (__SILICON_REVISION__ < 3) |
| 83 | /* Sensitivity to noise with slow input edge rates on external SPORT TX and RX clocks */ |
| 84 | #define ANOMALY_05000265 (1) |
| 85 | /* Memory DMA error when peripheral DMA is running with non-zero DEB_TRAFFIC_PERIOD */ |
| 86 | #define ANOMALY_05000268 (__SILICON_REVISION__ < 3) |
| 87 | /* High I/O activity causes output voltage of internal voltage regulator (VDDint) to decrease */ |
| 88 | #define ANOMALY_05000270 (__SILICON_REVISION__ < 3) |
| 89 | /* Certain data cache write through modes fail for VDDint <=0.9V */ |
| 90 | #define ANOMALY_05000272 (1) |
| 91 | /* Writes to Synchronous SDRAM memory may be lost */ |
| 92 | #define ANOMALY_05000273 (__SILICON_REVISION__ < 3) |
| 93 | /* Writes to an I/O data register one SCLK cycle after an edge is detected may clear interrupt */ |
| 94 | #define ANOMALY_05000277 (__SILICON_REVISION__ < 3) |
| 95 | /* Disabling Peripherals with DMA running may cause DMA system instability */ |
| 96 | #define ANOMALY_05000278 (((ANOMALY_BF536 || ANOMALY_BF537) && __SILICON_REVISION__ < 3) || (ANOMALY_BF534 && __SILICON_REVISION__ < 2)) |
| 97 | /* SPI Master boot mode does not work well with Atmel Data flash devices */ |
| 98 | #define ANOMALY_05000280 (1) |
| 99 | /* False Hardware Error Exception when ISR context is not restored */ |
| 100 | #define ANOMALY_05000281 (__SILICON_REVISION__ < 3) |
| 101 | /* Memory DMA corruption with 32-bit data and traffic control */ |
| 102 | #define ANOMALY_05000282 (__SILICON_REVISION__ < 3) |
| 103 | /* System MMR Write Is Stalled Indefinitely When Killed in a Particular Stage */ |
| 104 | #define ANOMALY_05000283 (__SILICON_REVISION__ < 3) |
| 105 | /* New Feature: EMAC TX DMA Word Alignment (Not Available On Older Silicon) */ |
| 106 | #define ANOMALY_05000285 (__SILICON_REVISION__ < 3) |
| 107 | /* SPORTs may receive bad data if FIFOs fill up */ |
| 108 | #define ANOMALY_05000288 (__SILICON_REVISION__ < 3) |
| 109 | /* Memory to memory DMA source/destination descriptors must be in same memory space */ |
| 110 | #define ANOMALY_05000301 (1) |
| 111 | /* SSYNCs After Writes To CAN/DMA MMR Registers Are Not Always Handled Correctly */ |
| 112 | #define ANOMALY_05000304 (__SILICON_REVISION__ < 3) |
| 113 | /* New Feature: Additional Hysteresis on SPORT Input Pins (Not Available On Older Silicon) */ |
| 114 | #define ANOMALY_05000305 (__SILICON_REVISION__ < 3) |
| 115 | /* SCKELOW Bit Does Not Maintain State Through Hibernate */ |
| 116 | #define ANOMALY_05000307 (__SILICON_REVISION__ < 3) |
| 117 | /* Writing UART_THR while UART clock is disabled sends erroneous start bit */ |
| 118 | #define ANOMALY_05000309 (__SILICON_REVISION__ < 3) |
| 119 | /* False hardware errors caused by fetches at the boundary of reserved memory */ |
| 120 | #define ANOMALY_05000310 (1) |
| 121 | /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC registers are interrupted */ |
| 122 | #define ANOMALY_05000312 (1) |
| 123 | /* PPI is level sensitive on first transfer */ |
| 124 | #define ANOMALY_05000313 (1) |
| 125 | /* Killed System MMR Write Completes Erroneously On Next System MMR Access */ |
| 126 | #define ANOMALY_05000315 (__SILICON_REVISION__ < 3) |
| 127 | /* EMAC RMII mode: collisions occur in Full Duplex mode */ |
| 128 | #define ANOMALY_05000316 (__SILICON_REVISION__ < 3) |
| 129 | /* EMAC RMII mode: TX frames in half duplex fail with status No Carrier */ |
| 130 | #define ANOMALY_05000321 (__SILICON_REVISION__ < 3) |
| 131 | /* EMAC RMII mode at 10-Base-T speed: RX frames not received properly */ |
| 132 | #define ANOMALY_05000322 (1) |
| 133 | /* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ |
| 134 | #define ANOMALY_05000341 (__SILICON_REVISION__ >= 3) |
| 135 | /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ |
| 136 | #define ANOMALY_05000357 (1) |
| 137 | /* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ |
| 138 | #define ANOMALY_05000359 (1) |
| 139 | /* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ |
| 140 | #define ANOMALY_05000371 (1) |
| 141 | |
| 142 | /* Anomalies that don't exist on this proc */ |
| 143 | #define ANOMALY_05000125 (0) |
| 144 | #define ANOMALY_05000158 (0) |
| 145 | #define ANOMALY_05000183 (0) |
| 146 | #define ANOMALY_05000198 (0) |
| 147 | #define ANOMALY_05000230 (0) |
| 148 | #define ANOMALY_05000266 (0) |
| 149 | #define ANOMALY_05000311 (0) |
| 150 | #define ANOMALY_05000323 (0) |
| 151 | |
| 152 | #endif |