Memory Map: Difference between revisions

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imported>Bertl
imported>Bertl
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== Physical PCI/Device Mapping ==
== PCI/Device Mapping ==
 
{| class="wikitable" border="0" cellspacing="2" cellpadding="2"
|-
! style="border-bottom:2px solid gray;" | Address
! style="border-bottom:2px solid gray;" | Size
! style="border-bottom:2px solid gray;" | Description
|-
| <tt> 0x(200)ea001000 </tt>
| 0x100
| System Management Controller
|-
| <tt> 0x(200)ea001200 </tt>
| 0x30
| SATA Controller CDRom
|-
| <tt> 0x(200)ea001300 </tt>
| 0x30
| SATA Controller HDD
|-
| <tt> 0x(200)ea001400 </tt>
| 0x80
| Fast Ethernet Adapter
|-
| <tt> 0x(200)ea001600 </tt>
| 0x40
| Audio Controller
|-
| <tt> 0x(200)ea001800 </tt>
| 0x400
| XMA Decoder
|-
| <tt> 0x(200)ea002000 </tt>
| 0x1000
| OHCI Controller 0
|-
| <tt> 0x(200)ea003000 </tt>
| 0x1000
| EHCI Controller 0
|-
| <tt> 0x(200)ea004000 </tt>
| 0x1000
| OHCI Controller 1
|-
| <tt> 0x(200)ea005000 </tt>
| 0x1000
| EHCI Controller 1
|-
| <tt> 0x(200)ea00c000 </tt>
| 0x400
| Secure Flash Controller
|}
 
 
== SMC Area ==


ea001000: bus control
ea001000: bus control
Line 52: Line 106:


ea00105x: SMI
ea00105x: SMI
ea0012xx: SATA #1
ea0013xx: SATA #2
ea001400: NIC
ea001600: XMA decoder (audio)
ea001800: unknown (probably audio related)
ea002000: USB #1 (EHCI)
ea004000: USB #2
ea00c000: NAND interface, indirect access




Revision as of 02:08, 30 March 2010

physical address mapping:

Physical Mapping

Address Size Description
c000xxxx 10000 Initial "Kernel" (bootloader, not real kernel), mapped L2-Cache?
c8xxxxxx 1000000 memory mapped NAND flash (RO, 1:1, no OoB(ECC))
c9xxxxxx 1000000 ???
d0xxxxxx 1000000 PCI config space. Device number etc. is encoded in address, as usual
e0000000 ??? Host-Bridge
ea000000 ??? PCI-to-PCI bridge
ec800000 ??? GPU

PCI/Device Mapping

Address Size Description
0x(200)ea001000 0x100 System Management Controller
0x(200)ea001200 0x30 SATA Controller CDRom
0x(200)ea001300 0x30 SATA Controller HDD
0x(200)ea001400 0x80 Fast Ethernet Adapter
0x(200)ea001600 0x40 Audio Controller
0x(200)ea001800 0x400 XMA Decoder
0x(200)ea002000 0x1000 OHCI Controller 0
0x(200)ea003000 0x1000 EHCI Controller 0
0x(200)ea004000 0x1000 OHCI Controller 1
0x(200)ea005000 0x1000 EHCI Controller 1
0x(200)ea00c000 0x400 Secure Flash Controller


SMC Area

ea001000: bus control

ea001010: UART

ea00102x: GPIO

ea00103x: GPIO

ea00104x: GPIO

ea00105x: SMI


dumps of physical memory

changed 1 byte in software, dumped again, 16 bytes changed again.

might be ~1 cache line

(0, 1, 2, ...) 

log:

f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 6e bb c5 d1 62 9e 29 8f e9 3a 6b 7b 4d d0 44 24 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 03 58 f6 c0 f0 13 d5 02 4f 57 a1 d0 50 d3 46 6a 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 1b d6 a6 3b 3c 6e 68 4f da 75 7f a7 8a 02 e4 53 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 38 03 ff f0 61 99 e6 8c b0 3b 2f bb b6 70 06 53 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 0f 55 01 b1 61 9b 35 34 4d ce f4 e8 bb eb cc 4a 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 fc ce 87 2c 30 c0 1c 4f e7 65 da d4 e4 df f6 2b 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 e5 5d f3 38 d9 05 c0 8e 7a a9 b5 a2 fe 11 4c b3 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 84 83 5d 34 55 9b e4 06 26 03 1b f3 0b e9 0f b8 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
f0 35 64 03 de 02 5b 09 b5 7b 81 49 21 e9 d9 77 ba 4d 72 2b cd 0b e9 0c 2b aa ed 53 ea b0 63 49 15 d4 61 28 e0 e2 ea da e3 b8 34 2e cf bb af 0e
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