Post Boot Behavior; Rom Init - ADIC Scalar 1000 User Manual

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POST Error Codes
The Power-On-Self-Test (POST) is responsible for testing the integrity of the
processor's SDRAM. After testing SDRAM POST will attempt to transfer
control to either the default bootrom image or an alternate image.
POST can also download binary images over the service port and write them to
flash memory. This enables POST to perform a minimal amount of emergency
recovery from FLASH errors.

POST Boot Behavior

ROM Init

Figure 10 ROM Init
After applying power the ERR LED will illuminate.
At this time code initializes the processor's internal registers and
postInit
subsystems, including the SDRAM controller.
The processor's internal RAM is used as a tiny-stack for this stage of POST.
Control is then passed to the routine for the SDRAM memory.
IpostMain
POST Boot Behavior 197
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