The Allied Telesis x900 board is based on the MPC8540ADS (2009.11) board source

Global memory map:

	0x00000000 - 0x3fffffff     1G	DDR SDRAM

	0x40000000 - 0x5fffffff   512M	PCI-1 MEM
	0x60000000 - 0x7fffffff   512M	PCI-2 MEM

	0x80000000 - 0xa1ffffff   544M	Unused
	0xa2000000 - 0xa2ffffff    16M	PCI-1 IO
	0xa3000000 - 0xa3ffffff    16M	PCI-2 IO
	0xa4000000 - 0xbfffffff   448M	Unused

	0xc0000000 - 0xf7ffffff   896M	Unused
	0xf8000000 - 0xffffffff   128M	Local Bus


Local Bus memory map (128M):

	0xf8000000 - 0xf9ffffff    32M	Flash			BR1	CS1

	0xfa000000 - 0xfdffffff    64M	Unused

	0xfe000000 - 0xfe07ffff   512K	NVS SRAM		BR2	CS2
	0xfe080000 - 0xfe0fffff   512K	Unused
	0xfe100000 - 0xfeffffff    15M	Unused

	0xff000000 - 0xff00ffff    64K	EPLD			BR3	CS3
	0xff010000 - 0xff0fffff   960K	Unused
	0xff100000 - 0xff6fffff     6M	Unused
	0xff700000 - 0xff7fffff     1M	CCSR

	0xff800000 - 0xffefffff     7M	Unused
	0xfff00000 - 0xffffffff     1M	Flash Boot ROM		BR0	CS0

	0xff700000 - 0xff7fffff     1M	OutOfReset CCSR
	0xff800000 - 0xffffffff     8M	OutOfReset Boot ROM LAW
	0xfffff000 - 0xffffffff     4K	OutOfReset Boot ROM TLB
		     0xfffffffc     4B	OutOfReset Instruction Pointer
