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1,365 bytes added ,  18 October
Add some """"low-hanging"""" SD driver error code bits
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* 3rd line is: <code>print_string(..., "%08X %08X", *((unsigned int*)(0x1FFFE000+0x10))`, `*((unsigned int*)(0x1fffe000+0x14)));//See below memory notes.</code>
 
* 3rd line is: <code>print_string(..., "%08X %08X", *((unsigned int*)(0x1FFFE000+0x10))`, `*((unsigned int*)(0x1fffe000+0x14)));//See below memory notes.</code>
 
* 4th line is: <code>print_string(..., "%08X %08X",*((unsigned int*)(0x1FFFE000+0x18))`, `*((unsigned int*)(0x1fffe000+0x1C)));//See below memory notes.</code>
 
* 4th line is: <code>print_string(..., "%08X %08X",*((unsigned int*)(0x1FFFE000+0x18))`, `*((unsigned int*)(0x1fffe000+0x1C)));//See below memory notes.</code>
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=== 0x1FFFE000 memory ===
 
=== 0x1FFFE000 memory ===
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* s8[8] 0x1FFFE000+0x10: Status-codes originally from nand_findfirmpartition_loadfirm(), for each of the 8 NCSD partitions.
 
* s8[8] 0x1FFFE000+0x10: Status-codes originally from nand_findfirmpartition_loadfirm(), for each of the 8 NCSD partitions.
 
* u32 0x1FFFE000+0x18: SD driver internal error bitfield
 
* u32 0x1FFFE000+0x18: SD driver internal error bitfield
* u32 0x1FFFE000+0x1C: SD driver SD hardware status bits from the controller, AND-ed with 0xFDFF0080 if eMMC, and 0xFDF90008 if SD.
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* u32 0x1FFFE000+0x1C: R1 status bits received from the SD device, AND-ed with 0xFDFF0080 if eMMC (NAND), otherwise 0xFDF90008 if SD.
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=== BootROM SD driver error bits ===
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{| class="wikitable" border="1"
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|-
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!  Value
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!  Description
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|-
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| 0x1
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| STATUS2: received cmd field does not match what was sent
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|-
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| 0x2
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| STATUS2: received CRC does not match what was calculated
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|-
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| 0x4
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| STATUS2: framing error, stop bit was not encountered
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|-
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| 0x8
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| STATUS2: data was not received within the timeout period
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|-
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| 0x10
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| STATUS2: RX FIFO overflow
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|-
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| 0x20
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| STATUS2: TX FIFO overflow
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|-
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| 0x40
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| STATUS2 (bit31): illegal access error (???)
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|-
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| 0x80
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| At least one error bit was set in the command reply from the SD device, or other unexpected state is reported.
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|-
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| 0x100
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| An illegal command was received by the SD device (ILLEGAL_COMMAND bit set).
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|-
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| 0x200
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| Timer-based timeout while waiting for SD device operations to finish.
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|-
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| 0x400
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| Got a timer-based timeout during MMC initialization sequence.
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|-
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| 0x800
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| ??? some sort of timeout
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|-
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| 0x8000
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| Timeout while trying to perform AES operation on sector data
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|-
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| 0x80000
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| Tried to perform AES operation while another AES operation is taking place
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|}
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=== BootROM SD device error bits ===
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These error codes are received directly from the device, and are in the same format as received in an R1 type reply.
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See [https://www.sdcard.org/downloads/pls/ SD Specifications Part 1 Physical Layer Simplified Specification] for the error bit list.
    
=== BootROM Status Codes ===
 
=== BootROM Status Codes ===
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