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SRIO Registers
5.82 Port Error Detect CSR n (SPn_ERR_DET)
Each of the four ports is supported by a register of this type (see Table 158). The port error detect CSR n (SPn_ERR_DET) is shown in Figure 145 and described in Table 159.
Table 158. SPn_ERR_DET Registers and the Associated Ports
Register | Address Offset | Associated Port |
SP0_ERR_DET | 2040h | Port 0 |
SP1_ERR_DET | 2080h | Port 1 |
SP2_ERR_DET | 20C0h | Port 2 |
SP3_ERR_DET | 2100h | Port 3 |
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| Figure 145. Port Error Detect CSR n (SPn_ERR_DET) |
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31 | 30 |
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| 24 | |
ERR_IMP_ |
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| Reserved |
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SPECIFIC |
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23 | 22 |
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| 21 |
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| 20 |
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| 19 | 18 |
| 17 | 16 | |
| CORRUPT_ | CNTL_SYM_ |
| RCVD_PKT_ |
| PKT_ | RCVD_PKT_ | RCVD_PKT_ |
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Reserved | UNEXPECTED_ | UNEXPECTED_ WITH_BAD |
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CNTL_SYM | NOT_ACCPT |
| OVER_276B | ||||||||||||
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| ACKID |
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| ACKID | _CRC |
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15 |
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| 8 | |
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| Reserved |
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7 | 6 |
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| 1 | 0 | |
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| NON_ |
| PROTOCOL_ |
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| DELINEATION_ | UNSOLICITED_ | LINK_ | ||||||
Reserved | OUTSTANDING_ | Reserved | |||||||||||||
| ERROR |
| ERROR | ACK_CNTL_SYM | TIMEOUT | ||||||||||
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| ACKID |
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LEGEND: R/W = Read/Write; R = Read only; |
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Table 159. Port Error Detect CSR n (SPn_ERR_DET) Field Descriptions
Bit | Field | Value | Description |
31 | ERR_IMP_SPECIFIC |
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| an illegal field in a maintenance packet, an illegal destination ID, and |
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| an unsupported transaction. |
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| 0 | An implementation specific error has not been detected. |
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| 1 | An implementation specific error has been detected. |
Reserved | 0 | These | |
22 | CORRUPT_CNTL_SYM |
| Bad CRC in control symbol |
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| 0 | The port did not receive a control symbol with a bad CRC value. |
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| 1 | The port received a control symbol with a bad CRC value. |
21 | CNTL_SYM_UNEXPECTED_ACKID |
| Unexpected ackID in control symbol |
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| 0 | The port did not receive an acknowledge control symbol with an |
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| unexpected ackID |
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| 1 | The port received an acknowledge control symbol with an unexpected |
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| ackID |
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| have valid information during this error detection. |
SPRUE13A | Serial RapidIO (SRIO) | 219 |
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