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Aubrey Li65458982007-03-20 18:16:24 +08001/*
2 * File: include/asm-blackfin/arch-bf561/anomaly.h
3 * Based on:
4 * Author:
5 *
6 * Created:
7 * Description:
8 *
9 * Rev:
10 *
11 * Modified:
12 *
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2, or (at your option)
18 * any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; see the file COPYING.
27 * If not, write to the Free Software Foundation,
28 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 */
30
31/*
32 * This file shoule be up to date with:
33 * - Revision L, 10Aug2006; ADSP-BF561 Silicon Anomaly List
34 */
35
36#ifndef _MACH_ANOMALY_H_
37#define _MACH_ANOMALY_H_
38
39/* We do not support 0.1 or 0.4 silicon - sorry */
40#if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2) || defined(CONFIG_BF_REV_0_4))
41#error Kernel will not work on BF561 Version 0.1, 0.2, or 0.4
42#endif
43
44/* Issues that are common to 0.5 and 0.3 silicon */
45#if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_3))
46#define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
47 slot1 and store of a P register in slot 2 is not
48 supported */
49#define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
50 updated at the same time. */
51#define ANOMALY_05000120 /* Testset instructions restricted to 32-bit aligned
52 memory locations */
53#define ANOMALY_05000122 /* Rx.H cannot be used to access 16-bit System MMR
54 registers */
55#define ANOMALY_05000127 /* Signbits instruction not functional under certain
56 conditions */
57#define ANOMALY_05000149 /* IMDMA S1/D1 channel may stall */
58#define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out
59 upper bits */
60#define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */
61#define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame
62 syncs */
63#define ANOMALY_05000182 /* IMDMA does not operate to full speed for 600MHz
64 and higher devices */
65#define ANOMALY_05000187 /* IMDMA Corrupted Data after a Halt */
66#define ANOMALY_05000190 /* PPI not functional at core voltage < 1Volt */
67#define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
68 functional */
69#define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
70 shadow of a conditional branch */
71#define ANOMALY_05000257 /* Interrupt/Exception during short hardware loop
72 may cause bad instruction fetches */
73#define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
74 external SPORT TX and RX clocks */
75#define ANOMALY_05000267 /* IMDMA may corrupt data under certain conditions */
76#define ANOMALY_05000269 /* High I/O activity causes output voltage of internal
77 voltage regulator (VDDint) to increase */
78#define ANOMALY_05000270 /* High I/O activity causes output voltage of internal
79 voltage regulator (VDDint) to decrease */
80#define ANOMALY_05000272 /* Certain data cache write through modes fail for
81 VDDint <=0.9V */
82#define ANOMALY_05000274 /* Data cache write back to external synchronous memory
83 may be lost */
84#define ANOMALY_05000275 /* PPI Timing and sampling informaton updates */
85#endif /* (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_3)) */
86
87#if (defined(CONFIG_BF_REV_0_5))
88#define ANOMALY_05000254 /* Incorrect Timer Pulse Width in Single-Shot PWM_OUT
89 mode with external clock */
90#define ANOMALY_05000266 /* IMDMA destination IRQ status must be read prior to
91 using IMDMA */
92#endif
93
94#if (defined(CONFIG_BF_REV_0_3))
95#define ANOMALY_05000156 /* Timers in PWM-Out Mode with PPI GP Receive (Input)
96 Mode with 0 Frame Syncs */
97#define ANOMALY_05000168 /* SDRAM auto-refresh and subsequent Power Ups */
98#define ANOMALY_05000169 /* DATA CPLB page miss can result in lost write-through
99 cache data writes */
100#define ANOMALY_05000171 /* Boot-ROM code modifies SICA_IWRx wakeup registers */
101#define ANOMALY_05000174 /* Cache Fill Buffer Data lost */
102#define ANOMALY_05000175 /* Overlapping Sequencer and Memory Stalls */
103#define ANOMALY_05000176 /* Multiplication of (-1) by (-1) followed by an
104 accumulator saturation */
105#define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
106 Purpose TX or RX modes */
107#define ANOMALY_05000181 /* Disabling the PPI resets the PPI configuration
108 registers */
109#define ANOMALY_05000184 /* Timer Pin limitations for PPI TX Modes with
110 External Frame Syncs */
111#define ANOMALY_05000185 /* PPI TX Mode with 2 External Frame Syncs */
112#define ANOMALY_05000186 /* PPI packing with Data Length greater than 8 bits
113 (not a meaningful mode) */
114#define ANOMALY_05000188 /* IMDMA Restrictions on Descriptor and Buffer
115 Placement in Memory */
116#define ANOMALY_05000189 /* False Protection Exception */
117#define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
118 when polarity setting is changed */
119#define ANOMALY_05000194 /* Restarting SPORT in specific modes may cause data
120 corruption */
121#define ANOMALY_05000198 /* Failing MMR accesses when stalled by preceding
122 memory read */
123#define ANOMALY_05000199 /* DMA current address shows wrong value during carry
124 fix */
125#define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
126 inactive channels in certain conditions */
127#define ANOMALY_05000202 /* Possible infinite stall with specific dual-DAG
128 situation */
129#define ANOMALY_05000204 /* Incorrect data read with write-through cache and
130 allocate cache lines on reads only mode */
131#define ANOMALY_05000205 /* Specific sequence that can cause DMA error or DMA
132 stopping */
133#define ANOMALY_05000207 /* Recovery from "brown-out" condition */
134#define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
135 instructions */
136#define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
137#define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
138 state */
139#define ANOMALY_05000220 /* Data Corruption with Cached External Memory and
140 Non-Cached On-Chip L2 Memory */
141#define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
142#define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
143 data */
144#define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
145 Differences in certain Conditions */
146#define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
147#define ANOMALY_05000232 /* SPORT data transmit lines are incorrectly driven in
148 multichannel mode */
149#define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
150 hardware reset */
151#define ANOMALY_05000244 /* If i-cache is on, CSYNC/SSYNC/IDLE around Change of
152 Control causes failures */
153#define ANOMALY_05000248 /* TESTSET operation forces stall on the other core */
154#define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
155 (TDM) mode in certain conditions */
156#define ANOMALY_05000251 /* Exception not generated for MMR accesses in
157 reserved region */
158#define ANOMALY_05000253 /* Maximum external clock speed for Timers */
159#define ANOMALY_05000258 /* Instruction Cache is corrupted when bits 9 and 12
160 of the ICPLB Data registers differ */
161#define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
162#define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
163#define ANOMALY_05000262 /* Stores to data cache may be lost */
164#define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB
165 exception */
166#define ANOMALY_05000264 /* CSYNC/SSYNC/IDLE causes infinite stall in second
167 to last instruction in hardware loop */
168#define ANOMALY_05000276 /* Timing requirements change for External Frame
169 Sync PPI Modes with non-zero PPI_DELAY */
170#define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
171 DMA system instability */
172#define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
173 not restored */
174#define ANOMALY_05000283 /* An MMR write is stalled indefinitely when killed
175 in a particular stage */
176#define ANOMALY_05000287 /* A read will receive incorrect data under certain
177 conditions */
178#define ANOMALY_05000288 /* SPORTs may receive bad data if FIFOs fill up */
179#endif
180
181#endif /* _MACH_ANOMALY_H_ */