Digi 9P 9360/9750 manual Interfaces & Devices

Introduction	44
U-Boot	44
ConnectCore 9P 9360/9750	45
Linux boot methods	46
TFTP/NFS	46
NAND-Flash	46
NOR Flash	47
USB	47
Linux boot process	48
Passing arguments to the kernel	50
Automating the image download	50
Updating the Flash memory	50
Updating a running system (the easy way)	51
Updating a running system manually	51
Step 1: Download the new image file to RAM	52
Step 2: Erase the Flash partition	52
Step 3: Write the image to Flash	52
ConnectCore 9P 9360/9750	53
U-Boot	53
Kernel	53
Root File System	53
Updating a corrupted system using a debugger	54
ConnectCore 9P 9360/9750	54
Chapter 8 Root File System Types	55
NFSROOT	55
Step 1: Set bootargs to be passed to the kernel	56
Step 2: Download the kernel to RAM via TFTP	56
Step 3: Launch the kernel from RAM	56
JFFS2	57
Step 1: Set bootargs to be passed to the kernel	58
Step 2: Copy the kernel to RAM	58
Step 3: Launch the kernel from RAM	58
Chapter 9 Interfaces & Devices	61
Serial interface	61
USB host interface	62
I2C interface	62
SPI interface	62

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