MPC8536E-ANDROID Freescale Semiconductor, MPC8536E-ANDROID Datasheet - Page 238
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MPC8536E-ANDROID
Manufacturer Part Number
MPC8536E-ANDROID
Description
HARDWARE/SOFTWARE ANDROID OS
Manufacturer
Freescale Semiconductor
Series
PowerQUICC ™r
Type
MPUr
Datasheets
1.MPC8536EBVTAVLA.pdf
(127 pages)
2.MPC8536EBVTAVLA.pdf
(2 pages)
3.MPC8536EBVTAVLA.pdf
(1706 pages)
Specifications of MPC8536E-ANDROID
Contents
Board
For Use With/related Products
MPC8536
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 238 of 1706
- Download datasheet (15Mb)
L2 Look-Aside Cache/SRAM
6.3.1.4.1
The L2 cache includes support for injecting errors into the L2 data, data ECC, or tag. This may be used to
test error recovery software by deterministically creating error scenarios.
The preferred method for error injection is to set all data pages to cache-inhibited (MMU TLB entry I = 1)
except a scratch page, set L2CTL[L2DO] to prevent allocation of instruction accesses, and invalidate the
L2 by setting L2CTL[L2I] = 1. The following code sequence triggers an error, then detects it (A is an
address in the scratch page):
Data or tag errors are injected into the line, according to the error injection settings in L2ERRINJHI,
L2ERRINJLO, and L2ERRINJCTL, at allocation. The final load detects and reports the error (if enabled)
and allows software to examine the offending data, address, and attributes.
Note that error injection enable bits in L2ERRINJCTL must be cleared by software and the L2 must be
invalidated (by setting L2CTL[L2I]) before resuming L2 normal operation.
error injection mask high register (L2ERRINJHI).
Table 6-10
Figure 6-14
6-18
Offset 0x2_0E00
Offset 0x2_0E04
Reset
0–31
Reset
Bits
dcbz A
dcbtls_L2 A
lwz A
W
W
R
R
0
0
EIMASKHI Error injection mask/high word. A set bit corresponding to a data path bit causes that bit on the data path
Name
describes L2ERRINJHI[EIMASKHI].
shows the L2 error injection mask low register (L2ERRINJLO).
Error Injection Registers
to be inverted on cache/SRAM writes if L2ERRINJCTL[DERRIEN] = 1.
MPC8536E PowerQUICC III Integrated Processor Reference Manual, Rev. 1
Figure 6-14. L2 Error Injection Mask Low Register (L2ERRINJLO)
Figure 6-13. L2 Error Injection Mask High Register (L2ERRINJHI)
| allocates the line in the L1 in the modified state
| forces the line from the L1 and allocates the line in the L2
Table 6-10. L2ERRINJHI Field Description
EIMASKLO
EIMASKHI
All zeros
All zeros
Description
Figure 6-13
Freescale Semiconductor
Access: Read/Write
Access: Read/Write
shows the L2
31
31
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