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SRIO Registers
5.61Mailbox-to-Queue Mapping Register Ln (RXU_MAP_Ln)
Figure 117. Mailbox-to-Queue Mapping Register Ln (RXU_MAP_Ln)
LETTER_MAS | MAILBOX_MASK | LETTER | MAILBOX |
K |
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LEGEND: R = Read only;
SOURCEID
LEGEND: R = Read only;
Table 91.
Bit | Field | Value Description |
LETTER_MASK | Allowed letter mask for this mapping register | |
MAILBOX_MASK | Allowed mail box mask for this mapping register | |
LETTER | Allowed letter for this mapping register | |
MAILBOX | Allowed mail box for this mapping register | |
SOURCEID | The SOURCEID field is used to indicate which external device has access to the mapping entry | |
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| and corresponding queue. A compare is performed between the sourceID of the incoming message |
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| packet and each relevant mailbox/letter table mapping entry SOURCEID field. A miscompare |
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| results in an ERROR response back to the sender and the transaction is logged in the Logical |
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| Layer Error Management capture registers. |
SPRU976 | Serial RapidIO (SRIO) | 163 |
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