Cirrus Logic CS4970x4 - Manual (Page 46)

Booting the DSP in Master Boot Mode
CS4953x4/CS4970x4 System Designer’s Guide
DS810UM6 Copyright 2013 Cirrus Logic, Inc 1-8
7. If the message is “Flash image verified,” then the DSP will be processing audio at this time from the
default port.
1.3.1.2 Messages Read from CS4953x4/CS4970x4
Table 1-2 defines the boot read messages, in mnemonic and actual hex value, used in CS4953x4/
CS4970x4 boot sequences.
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Table 1-3. Boot Read Messages from CS4953x4/CS4970x4
MNEMONIC VALUE (Command/Data)
FLASH IMAGE VERIFIED 0xEF000020
1
0x00000001
1. For a description of 0xEF000020 command, refer to DSP_STATUS
variable in Table 7-5, Firmware Status Registers .
FLASH IMAGE VERIFICATION
FAILED
0xEF000020 0x80000001
Reserved for future Boot Messages
Reserved for future Boot
Messages