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Difference between revisions of "PMB8878"
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=== [[N82ap|iPhone 3G]]/[[N88ap|iPhone 3GS]] === |
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== Accessing [[Interactive Mode]] == |
== Accessing [[Interactive Mode]] == |
Revision as of 01:21, 19 December 2011
This is the baseband processor used in the iPhone 3G, iPhone 3GS and iPad (3G version). It is upgraded with BBUpdaterExtreme. It is also known as the PMB8878 and is also used on the LG KM900 ARENA. There is a team working on how to port Android on LG ARENA.
Contents
Datasheet
Anyone got one? Infineon provides this, which isn't really useful.
View Pinouts from Apple iPhone 3G Schematic - http://img218.imageshack.us/img218/149/baseband.jpg
The firmware is a version of Nucleos OS, a realtime OS for embedded platforms. The parser for the AT commands is generated from GNU bison.
Secpack 2.0
This is the security region in the files sent to the X-Gold 608. This is the first 0xCF8 is new fls and eep files.
Layout
0x634--Memory Map 0x714--Descriptor 0xCD4--Post secpack pointer to name 0xCEC--Data length
Endpack
The fls and eep files also have a footer tacked onto the end containing the loader and signature.
Memory Map
FLASH 0x20000000 0x1000000 CODE 0x20000000 0x40000 0b0010(bootstrapper) CODE 0x20040000 0xDC0000 0b0100(main firmware) FFS 0x20A00000 0x100000 0b1100(empty) DYNFFS 0x20A00000 0x100000 0b1100(empty) FFS 0x20B00000 0x40000 0b1011(empty) DYN_EEP 0x20E40000 0x80000 0b0110 SECPACK 0x20EC0000 0x40000 SECZONE 0x20F80000 0x40000 STATIC_EEP 0x20FC0000 0x40000 0b0111 RAM 0x40000000 0x800000
MMU relocation table
Bootloader
Firmware
Known Firmware Versions
iPad
06.15.00 3.2 (Build 7B367) 3.2.1 (Build 7B405) 3.2.2 (Build 7B500) 07.08.00 4.2b1 (Build 8C5091e) 07.09.00 4.2b2 (Build 8C5101) 07.10.00 4.2b3 (Build 8C5115c) 4.2 (Build 8C134) 4.2 (Build 8C134b) 4.2.1GM (Build 8C148) 4.2.1 (Build 8C148) 07.11.00 4.3b1 (Build 8F5148b) 4.3b2 (Build 8F5153d) 4.3b3 (Build 8F5166b) 4.3GM (Build 8F190) 4.3 (Build 8F190) 07.11.01 4.3.1 (Build 8G4) 4.3.2 (Build 8H7) 4.3.3 (Build 8J3) 4.3.4 (Build 8K2) 4.3.5 (Build 8L1) 5.0b1 (Build 9A5220p) 5.0b2 (Build 9A5248d) 5.0b3 (Build 9A5258f) 5.0b4 (Build 8A5274d) 5.0b5 (Build 8A5288d) 5.0b6 (Build 8A5302b) 5.0b7 (Build 8A5313e) 5.0GM (Build 9A334) 5.0.1b1 (Build 9A402) 5.0.1b2 (Build 9A404) 5.0.1 (Build 9A405) 5.1b1 (Build 9B5117b) 5.1b2 (Build 9B5127c)
iPhone 3G/iPhone 3GS
01.43.00 2.0 (Build 5A331 - Internal Beta) 01.43.02 2.0 (Unknown Internal Beta) 01.45.00 2.0 (Build 5A345) 01.45.00 2.0 (Build 5A347) 01.48.02 2.0.1 (Build 5B108) 02.08.01 2.0.2 (Build 5C1) 02.11.07 2.1 (Build 5F136) 02.??.?? 2.2b1 (Build 5G26/5G27?) 02.28.00 2.2 (Build 5G77) 02.30.03 2.2.1 (Build 5H11) 04.20.01 3.0b1 (Build 7A238j) 04.22.01 3.0b2 (Build 7A259g) 04.24.02 3.0b3 (Build 7A280f) 04.2?.?? 3.0b4 (Build 7A300g) 04.2?.?? 3.0b5 (Build 7A312g) 04.26.08 3.0 (Build 7A341) 3.0.1 (Build 7A400) 05.08.01 3.1b1 (Build 7C97d) 05.10.01 3.1b2 (Build 7C106c) 05.11.04 3.1b3 (Build 7C116a) 05.11.07 3.1 (Build 7C144) 3.1.2 (Build 7D11) 05.12.01 3.1.3 (Build 7E18) 05.13.03 4.0b1 (Build 8A230m) 4.0b2 (Build 8A248c) 05.13.04 4.0b3 (Build 8A260b) 4.0b4 (Build 8A274b) 4.0GM (Build 8A293) 4.0 (Build 8A293) 4.0.1 (Build 8A306) 4.0.2 (Build 8A400) 4.1b1 (Build 8B5080c) 05.14.01 4.1b2 (Build 8B5091b) 05.14.02 4.1 (Build 8B117) 05.1?.?? 4.2b1 (Build 8C5091e) 05.1?.?? 4.2b2 (Build 8C5101c) 05.15.04 4.2b3 (Build 8C5115c) 4.2GM (Build 8C134) 4.2.1GM (Build 8C148) 4.2.1 (Build 8C148a) 05.16.00 4.3b1 (Build 8F5148b) 4.3b2 (Build 8F5153d) 4.3b3 (Build 8F5166b) 4.3GM (Build 8F190) 4.3 (Build 8F190) 4.3.1 (Build 8G4) 05.16.02 4.3.2 (Build 8H7) 4.3.3 (Build 8J2) 4.3.4 (Build 8K2) 4.3.5 (Build 8L1) 5.0b1 (Build 9A5220p) 5.0b2 (Build 9A5248d) 5.0b3 (Build 9A5258f) 5.0b4 (Build 9A5274d) 05.16.05 5.0b5 (Build 9A5288d) 5.0b6 (Build 9A5302b) 5.0b7 (Build 9A5313e) 5.0GM (Build 9A334) 5.0.1b1 (Build 9A402) 5.0.1b2 (Build 9A404) 5.0.1 (Build 9A405) 5.1b1 (Build 9B5117b) ??.??.?? 5.1b2 (Build 9B5127c)
Accessing Interactive Mode
Interactive mode isn't accessed by sending characters to the baseband. Instead a GPIO pin is raised with a kernel call to preupdate reset.
result = IOConnectCallScalarMethod(conn, 0, 0, 0, 0, 0); //reset(kAppleBasebandConnectMethodResetModem) result = IOConnectCallScalarMethod(conn, 1, 0, 0, 0, 0); //power set(kAppleBasebandConnectMethodRadioOn) result = IOConnectCallScalarMethod(conn, 2, ?, 0, 0, 0); //configuring mux result = IOConnectCallScalarMethod(conn, 7, 0, 0, 0, 0); //powercycle result = IOConnectCallScalarMethod(conn, 8, 0, 0, 0, 0); //preupdate reset result = IOConnectCallScalarMethod(conn, 9, 0, 0, 0, 0); //kAppleBasebandConnectMethodNotifyBasebandPoweringDown