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Address mapping, 1 overview, 2 memory address mapping – Artesyn PrAMC-7311 Installation and Use (June 2014) User Manual

Page 51: 1 overview 5.2 memory address mapping, Table 5-1, Memory range, Table 5-2, Fwh address map, Chapter 5

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Chapter 5

PrAMC-7311 Installation and Use (6806800P34D)

51

Address Mapping

5.1

Overview

The information in this chapter might be helpful for developing your own operating system.

5.2

Memory Address Mapping

The following table shows the memory range of the PrAMC-7311.

The following table explains the FWH address mapping when 1 MB booting FWH and 1 MB
redundant FWH are supported.

Table 5-1 Memory Range

Base Address

Size

Device

0x0000.0000

0x7FFF.FFFF

Main Memory (2 GB)

0xFFE0.0000

0xFFFF.FFFF

Boot Flash FWH (2 MB)

Table 5-2 FWH Address Map

Boot Type

Boot FWH Selection

Address Range

Primary

Lower 1 MB sector (Secondary FWH)

0xFFE0.0000 -
0xFFEF.FFFF

Primary

Higher 1 MB sector (Primary FWH = Current Boot FWH)

0xFFF0.0000 -
0xFFFF.FFFF

Secondary

Lower 1 MB sector (Secondary FWH = Current Boot FWH)

0xFFF0.0000 -
0xFFFF.FFFF

Secondary

Higher 1 MB sector (Primary FWH)

0xFFE0.0000 -
0xFFEF.FFFF