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Chapter 18
Error Correction Status Module (ECSM)
18.1
Overview
The Error Correction Status Module (ECSM) provides control functions regarding information on memory
errors reported by error-correcting codes. The ECSM is mapped into the IPS space and supports a number
of miscellaneous control functions for the platform.
18.2
Features
•
Program-visible information on the platform configuration and revision
•
Optional address map for device's crossbar switch (XBAR)
•
Miscellaneous Reset Status Register (ECSM_MRSR)
•
Registers for capturing information on memory errors if error-correcting codes (ECC) are
implemented
18.3
Module memory map
The Error Correction Status Module does not include any logic that provides access control. Rather, this
function is supported using the standard access control logic provided by the IPS controller.
Table 18-1
is a 32-bit view of the ECSM's memory map.
ECSM Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x20
0x24
0x28
0x2C – 0x3C
Freescale Semiconductor
Table 18-1. ECSM 32-bit memory map
Reserved
Reserved
Reserved
Reserved
Miscellaneous User-Defined Control Register (ECSM_MUDCR)
MPC5644A Microcontroller Reference Manual, Rev. 6
Error Correction Status Module (ECSM)
Register
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Miscellaneous Reset
Status Register
(ECSM_MRSR)
Miscellaneous Wakeup
Control Register
(ECSM_MWCR)
583
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