Post
Power on self test
Bootloader
Load image and boot kernel
Update image to ROM
Set boot parameters
Kernel
Linux kernel
Device driver
Rootfs
Linux rootfs
User Application


Boot flash image mapping
---------------------------
|------------------|
31 M | |
0x00140000 | initrd (ramdisk) |
|------------------|
| reserved |
|------------------|
1 M | |
0x00040000 | zImage |
|------------------|
| reserved |
|------------------|
64 k | |
0x00030000 | boot parameters |
|------------------|
| reserved |
|------------------|
192 k | |
0x00000000 | bootloader |
|------------------|
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