U-Boot
ATCA-F140 Installation and Use (6806800M67H)
107
5.6
Memory Map
The following table shows the physical address map of the ATCA-F140.
5.7
Linux Devices
The following table lists all predefined Linux character devices and the respective memory
blocks which they are assigned to.
Table 5-1 Physical Address Map
Device
Start Address
Size
DDR3-RAM
0x00000000
Max. 4 GByte
Active boot flash
0xE0000000
32 Mbytes
Stand-by boot flash
0xE2000000
32 Mbytes
BITS1
0xFFA00000
32 Kbytes
BITS2
0xFFA100000
32 Kbytes
FPGA
0xFFDF0000
32 Kbytes
P2020 CPU
0xFFE00000
32 Kbytes
Regardless which of the two boot flashes is selected as the currently active boot device (using
IPMI), the start address is always mapped to 0xE0000000.
Table 5-2 Linux Devices
Linux Device Name
Content
Memory Area
Hardware Device
/dev/mtd0
Kernel image
0xE0000000 -
0xE05FFFFF
Active boot flash
/dev/mtd1
Empty
0xE0600000 -
0xE1EFFFFF
Active boot flash
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