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aTCA-3710 User's Guide
42
6.6 Non-volatile Memory Mapping
The aTCA-3710 provides various non-volatile memory (NVM) to store software images and log system
events for different purposes.
The memory map for the devices is shown in
.
Table 10. Non-volatile Memory Map
Host Device
Size
Contents
format
U-boot
linux
Remark
0xB0000 U-boot
image
binary read/write /dev/mtd0
0x20000 U-boot
Env.
binary read/write /dev/mtd1
0x20000 Fman-Ucode
binary read/write /dev/mtd2
SPI_FLASH1
0x20000 Reserved
binary Read/write
/dev/mtd3
0xB0000 U-boot
image
binary read/write /dev/mtd0
0x20000 U-boot
Env.
binary read/write /dev/mtd1
0x20000 Fman-Ucode
binary read/write /dev/mtd2
SPI_FLASH2
0x20000 Reserved
binary read/write /dev/mtd3
Same S/W
access
point to
SPI_FLASH1,
SPI_FLASH2.
Selected by a
CPLD
register
1024 MiB
OS images
VFAT
read only
/dev/sda1
(/bootA)
7168MiB
System config
EXT3
no access
/dev/sda2
(/var/NVMA)
CHIP_SSD1
1024 MiB
OS images
VFAT
read only
/dev/sdb1
(/bootB)
7168MiB
System config
EXT3
no access
/dev/sdb2
(/var/NVMB)
LMP
CHIP_SSD2