blackfin architecture
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-blackfin / mach-bf533 / anomaly.h
1 /*
2 * File: include/asm-blackfin/mach-bf533/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 /* This file shoule be up to date with:
32 * - Revision U, May 17, 2006; ADSP-BF533 Blackfin Processor Anomaly List
33 * - Revision Y, May 17, 2006; ADSP-BF532 Blackfin Processor Anomaly List
34 * - Revision T, May 17, 2006; ADSP-BF531 Blackfin Processor Anomaly List
35 */
36
37 #ifndef _MACH_ANOMALY_H_
38 #define _MACH_ANOMALY_H_
39
40 /* We do not support 0.1 or 0.2 silicon - sorry */
41 #if (defined(CONFIG_BF_REV_0_1) || defined(CONFIG_BF_REV_0_2))
42 #error Kernel will not work on BF533 Version 0.1 or 0.2
43 #endif
44
45 /* Issues that are common to 0.5, 0.4, and 0.3 silicon */
46 #if (defined(CONFIG_BF_REV_0_5) || defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
47 #define ANOMALY_05000074 /* A multi issue instruction with dsp32shiftimm in
48 slot1 and store of a P register in slot 2 is not
49 supported */
50 #define ANOMALY_05000105 /* Watchpoint Status Register (WPSTAT) bits are set on
51 every corresponding match */
52 #define ANOMALY_05000119 /* DMA_RUN bit is not valid after a Peripheral Receive
53 Channel DMA stops */
54 #define ANOMALY_05000122 /* Rx.H can not be used to access 16-bit System MMR
55 registers. */
56 #define ANOMALY_05000166 /* PPI Data Lengths Between 8 and 16 do not zero out
57 upper bits*/
58 #define ANOMALY_05000167 /* Turning Serial Ports on With External Frame Syncs */
59 #define ANOMALY_05000180 /* PPI_DELAY not functional in PPI modes with 0 frame
60 syncs */
61 #define ANOMALY_05000208 /* VSTAT status bit in PLL_STAT register is not
62 functional */
63 #define ANOMALY_05000219 /* NMI event at boot time results in unpredictable
64 state */
65 #define ANOMALY_05000229 /* SPI Slave Boot Mode modifies registers */
66 #define ANOMALY_05000272 /* Certain data cache write through modes fail for
67 VDDint <=0.9V */
68 #define ANOMALY_05000273 /* Writes to Synchronous SDRAM memory may be lost */
69 #define ANOMALY_05000277 /* Writes to a flag data register one SCLK cycle after
70 an edge is detected may clear interrupt */
71 #define ANOMALY_05000278 /* Disabling Peripherals with DMA running may cause
72 DMA system instability */
73 #define ANOMALY_05000281 /* False Hardware Error Exception when ISR context is
74 not restored */
75 #define ANOMALY_05000282 /* Memory DMA corruption with 32-bit data and traffic
76 control */
77 #define ANOMALY_05000283 /* A system MMR write is stalled indefinitely when
78 killed in a particular stage*/
79 #define ANOMALY_05000312 /* Errors when SSYNC, CSYNC, or loads to LT, LB and LC
80 registers are interrupted */
81 #define ANOMALY_05000311 /* Erroneous flag pin operations under specific sequences*/
82
83 #endif
84
85 /* These issues only occur on 0.3 or 0.4 BF533 */
86 #if (defined(CONFIG_BF_REV_0_4) || defined(CONFIG_BF_REV_0_3))
87 #define ANOMALY_05000099 /* UART Line Status Register (UART_LSR) bits are not
88 updated at the same time. */
89 #define ANOMALY_05000158 /* Boot fails when data cache enabled: Data from a Data
90 Cache Fill can be corrupted after or during
91 Instruction DMA if certain core stalls exist */
92 #define ANOMALY_05000179 /* PPI_COUNT cannot be programmed to 0 in General
93 Purpose TX or RX modes */
94 #define ANOMALY_05000198 /* Failing SYSTEM MMR accesses when stalled by
95 preceding memory read */
96 #define ANOMALY_05000200 /* SPORT TFS and DT are incorrectly driven during
97 inactive channels in certain conditions */
98 #define ANOMALY_05000202 /* Possible infinite stall with specific dual dag
99 situation */
100 #define ANOMALY_05000215 /* UART TX Interrupt masked erroneously */
101 #define ANOMALY_05000225 /* Incorrect pulse-width of UART start-bit */
102 #define ANOMALY_05000227 /* Scratchpad memory bank reads may return incorrect
103 data*/
104 #define ANOMALY_05000230 /* UART Receiver is less robust against Baudrate
105 Differences in certain Conditions */
106 #define ANOMALY_05000231 /* UART STB bit incorrectly affects receiver setting */
107 #define ANOMALY_05000242 /* DF bit in PLL_CTL register does not respond to
108 hardware reset */
109 #define ANOMALY_05000244 /* With instruction cache enabled, a CSYNC or SSYNC or
110 IDLE around a Change of Control causes
111 unpredictable results */
112 #define ANOMALY_05000245 /* Spurious Hardware Error from an access in the
113 shadow of a conditional branch */
114 #define ANOMALY_05000246 /* Data CPLB's should prevent spurious hardware
115 errors */
116 #define ANOMALY_05000253 /* Maximum external clock speed for Timers */
117 #define ANOMALY_05000255 /* Entering Hibernate Mode with RTC Seconds event
118 interrupt not functional */
119 #define ANOMALY_05000257 /* An interrupt or exception during short Hardware
120 loops may cause the instruction fetch unit to
121 malfunction */
122 #define ANOMALY_05000258 /* Instruction Cache is corrupted when bit 9 and 12 of
123 the ICPLB Data registers differ */
124 #define ANOMALY_05000260 /* ICPLB_STATUS MMR register may be corrupted */
125 #define ANOMALY_05000261 /* DCPLB_FAULT_ADDR MMR register may be corrupted */
126 #define ANOMALY_05000262 /* Stores to data cache may be lost */
127 #define ANOMALY_05000263 /* Hardware loop corrupted when taking an ICPLB exception */
128 #define ANOMALY_05000264 /* A Sync instruction (CSYNC, SSYNC) or an IDLE
129 instruction will cause an infinite stall in the
130 second to last instruction in a hardware loop */
131 #define ANOMALY_05000265 /* Sensitivity to noise with slow input edge rates on
132 SPORT external receive and transmit clocks. */
133 #define ANOMALY_05000269 /* High I/O activity causes the output voltage of the
134 internal voltage regulator (VDDint) to increase. */
135 #define ANOMALY_05000270 /* High I/O activity causes the output voltage of the
136 internal voltage regulator (VDDint) to decrease */
137 #endif
138
139 /* These issues are only on 0.4 silicon */
140 #if (defined(CONFIG_BF_REV_0_4))
141 #define ANOMALY_05000234 /* Incorrect Revision Number in DSPID Register */
142 #define ANOMALY_05000250 /* Incorrect Bit-Shift of Data Word in Multichannel
143 (TDM) */
144 #endif
145
146 /* These issues are only on 0.3 silicon */
147 #if defined(CONFIG_BF_REV_0_3)
148 #define ANOMALY_05000183 /* Timer Pin limitations for PPI TX Modes with
149 External Frame Syncs */
150 #define ANOMALY_05000189 /* False Protection Exceptions caused by Speculative
151 Instruction or Data Fetches, or by Fetches at the
152 boundary of reserved memory space */
153 #define ANOMALY_05000193 /* False Flag Pin Interrupts on Edge Sensitive Inputs
154 when polarity setting is changed */
155 #define ANOMALY_05000194 /* Sport Restarting in specific modes may cause data
156 corruption */
157 #define ANOMALY_05000199 /* DMA current address shows wrong value during carry
158 fix */
159 #define ANOMALY_05000201 /* Receive frame sync not ignored during active
160 frames in sport MCM */
161 #define ANOMALY_05000203 /* Specific sequence that can cause DMA error or DMA
162 stopping */
163 #if defined(CONFIG_BF533)
164 #define ANOMALY_05000204 /* Incorrect data read with write-through cache and
165 allocate cache lines on reads only mode */
166 #endif /* CONFIG_BF533 */
167 #define ANOMALY_05000207 /* Recovery from "brown-out" condition */
168 #define ANOMALY_05000209 /* Speed-Path in computational unit affects certain
169 instructions */
170 #define ANOMALY_05000233 /* PPI_FS3 is not driven in 2 or 3 internal Frame
171 Sync Transmit Mode */
172 #define ANOMALY_05000271 /* Spontaneous reset of Internal Voltage Regulator */
173 #endif
174
175 #endif /* _MACH_ANOMALY_H_ */