42.12 EHCI: REG06 - AHB Error Status
Control and Status Register, used to read the UTMI registers from the signals below.
| Name: | UHPHS_INSNREG06 |
| Offset: | 0xA8 |
| Reset: | 0x00000000 |
| Property: | Read/Write |
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| AHB_ERR | |||||||||
| Access | R/W | ||||||||
| Reset | 0 |
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| Access | |||||||||
| Reset |
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| HBURST[2:0] | Nb_Burst[4] | ||||||||
| Access | R | R | R | R | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| Nb_Burst[3:0] | Nb_Success_Burst[3:0] | ||||||||
| Access | R | R | R | R | R | R | R | R | |
| Reset | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Bit 31 – AHB_ERR AHB Error
System bus error was encountered and erroneous burst characteristics are captured. To clear this field the application must write a 0.
EHCI:
- When no error, 0 is written to INSNREG06[8:4].
- When INCR4 and an error occurs, 4 is written to INSNREG06[8:4].
- When INCR8 and an error occurs, 8 is written to INSNREG06[8:4].
- When INCR16 and an error occurs, 16 is written to INSNREG06[8:4].
- Other values except 4, 8, and 16 are not written to INSNREG06[8:4].
OHCI:
- When no error, 0 is written to INSNREG06[8:4].
- When INCR4 and error occurs, 4 is written to INSNREG06[8:4].
- Other values except 4 are not written to INSNREG06[8:4].
Bits 11:9 – HBURST[2:0] Burst Value
Value of the control phase at which the AHB error occurred.
This field applies to enabled incremental bursts only.
Bits 8:4 – Nb_Burst[4:0] Number of Bursts
Number of beats expected in the burst at which the AHB error occurred. Valid values are 0 to 16.
This field applies to enabled incremental bursts only.
Bits 3:0 – Nb_Success_Burst[3:0] Number of Successful Bursts
Number of successfully completed beats in the current burst before the AHB error occurred.
This field applies to enabled incremental bursts only.