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RTM-ATCA-SXXX Overview
6806800H62B ATCAS201InstallationandUseGuide22
Power-On
(Soft Reset)
Jumper 1: All FW Code retrieved
from “Customer”
Flash
Fetch “u-boot.bin
from flash device
Jumper 1: All FW Code retrieved
from “Factory”
Flash
-Pause-
bootdelay countdown
Key Pressed
No key
Pressed
Run contents of bootcmd
Fetch “uImage
Linux OS Kernel
Fetch “rootfs
Linux file system and
Applications
(iSCSI/NAS/Management)
Enter u-boot Prompt mode
Network boot
Manual IP network config
Flash recovery/rescue
Jumper 2:
Normal position
Use encrypted Password file
Jumper 2:
Password reset
Clear root password only
Normal boot sequence
Exception boot sequence
Key
Figure 6 ATCA Blade boot sequence diagram
Note: ATCA-S201 jumper locations are illustrated in chapter 9 of this manual.
3.1.2 Flash boot device contents
As mentioned in the previous section, the ATCA-S201 contains two flash images,
which are preloaded with code at manufacturing. Each code image is divided into
four major functional sections. Overtime, the customer may periodically updated
individual sections with new code revisions, as outlined below:
U-boot code
Linux kernel code
File system code
User configuration settings
U-boot.bin
uImage
Rootfs.ext.gz.uboot
Flash contents
Source file name
Figure 7 Boot-Flash device contents