SPRUIV7C May 2022 – November 2025 AM620-Q1 , AM623 , AM625 , AM625-Q1 , AM625SIP
Each QoS block has one 4B MAP register per channel. It defines ASEL, orderID and priority field user can program. The first MAP register is at offset 0x100 and the MAP register for channel X is located at offset 0x100+4*x.
| Bit | Name | Type | Reset | Description |
|---|---|---|---|---|
| 31:30 | reserved | r | 0x0 | Reserved |
| 29:28 | atype | rw | 0x0 | atype signal for channel N. 0 = physical. 1 = intermediate. 2 = virtual. 3 = physical with coherence. Keep it as default value. Do not program it to different value. |
| 27:16 | virtid | rw | 0x0 | virtid signal for channel N. Shall be 0x0. |
| 15 | reserved | r | 0x0 | Reserved |
| 14:12 | epriority | rw | 0x7 | epriority signal for channel N. 0x7 is the lowest priority, 0x0 is the highest priority. |
| 11:8 | asel | rw | 0x0 | ASEL signal for channel N. Default to zero. Set to either 0xE or 0xF for IO coherency transactions. |
| 7:4 | orderid | rw | 0x0 | orderid signal for channel N. Default to zero and keep it to 0x0. |
| 3 | reserved | r | 0x0 | Reserved |
| 2:0 | qos | rw | 0x0 | qos signal for channel N. Not used. No impacted if it is programed to different value. |