Difference between revisions of "NOR"

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NOR typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash.
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'''NOR''' typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash. (See [https://en.wikipedia.org/wiki/Flash_memory Wikipedia's article about flash memory] for background on NOR flash in general.)
   
 
==How to Access==
 
==How to Access==
This can be accessed using a patched iBoot or a kernel hack. It can possibly be dumped using /dev/kmem
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This can be accessed using a patched [[iBoot (Bootloader)|iBoot]] or a [[kernel]] hack. It can possibly be dumped using /dev/kmem
   
 
==Memory Map==
 
==Memory Map==

Revision as of 00:27, 18 February 2015

NOR typically refers to the NOR flash chip the application processor boots from. The baseband also uses a NOR flash. (See Wikipedia's article about flash memory for background on NOR flash in general.)

How to Access

This can be accessed using a patched iBoot or a kernel hack. It can possibly be dumped using /dev/kmem

Memory Map

Offset
Description
0x0
Configuration Data

0x0: "2GMI" fourcc
0x4: Block Size (0x40)
0x8: Images Section Location Offset
0xC: Images Section Location (In blocks)
0x10: Images Section Length

0x30: Checksum of this config data
0x4000
SysCfg Section
0x8000
Images Section
0xFC000
NVRAM Section (Note: This copy is the one iBoot uses)
0xFE000
NVRAM Section (copy)

Hardware