DMA Channel and Flow Indices
This section describes valid DMA channel indexes for each DMA channel type.
Receive flow index range type information is also described if applicable to the
DMA being described.
Warning
Resources marked as reserved for use by TIFS cannot be assigned to a
host within the RM Board Configuration resource assignment array. The RM
Board Configuration is rejected if an overlap with a reserved resource is
detected.
NAVSS0_BCDMA_0
Tx Channel Type |
Tx Channel Index Range |
SPLIT_TR_TX_CHAN |
0 to 15 |
Rx Channel Type |
Rx Channel Index Range |
SPLIT_TR_RX_CHAN |
0 to 31 |
Rx Flow Type |
Rx Flow Index Range |
SPLIT_TR_TX_CHAN |
0 to 15 |
SPLIT_TR_RX_CHAN |
16 to 47 |
NAVSS0_UDMAP_0
Tx Channel Type |
Tx Channel Index Range |
TX_UHCHAN |
0 to 1 |
TX_HCHAN |
2 to 5 |
TX_CHAN |
6 to 84 |
TX_ECHAN |
85 to 340 |
Rx Channel Type |
Rx Channel Index Range |
RX_UHCHAN |
0 to 1 |
RX_HCHAN |
2 to 5 |
RX_CHAN |
6 to 81 |
NOTE: The host that owns configurable, also known as common or shared, flows
is able to delegate them to another host for configuration in order to aid some
use case configurations. The configurable flows can be delegated using
TISCI_MSG_RM_UDMAP_FLOW_DELEGATE
Rx Flow Type |
Rx Flow Index Range |
DEFAULT |
0 to 81 |
CONFIGURABLE |
82 to 223 |
MCU_NAVSS0_UDMAP_0
Tx Channel Type |
Tx Channel Index Range |
TX_HCHAN |
0 to 1 |
TX_CHAN |
2 to 45 |
TX_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
46 to 47 |
Rx Channel Type |
Rx Channel Index Range |
RX_HCHAN |
0 to 1 |
RX_CHAN |
2 to 44 |
RX_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
45 to 47 |
NOTE: The host that owns configurable, also known as common or shared, flows
is able to delegate them to another host for configuration in order to aid some
use case configurations. The configurable flows can be delegated using
TISCI_MSG_RM_UDMAP_FLOW_DELEGATE
Rx Flow Type |
Rx Flow Index Range |
DEFAULT |
0 to 44 |
DEFAULT
(RESERVED BY SYSTEM FIRMWARE) |
45 to 47 |
CONFIGURABLE |
48 to 95 |
MCU_SA3_SS0_PKTDMA_0
Tx Channel Type |
Tx Channel Index Range |
SAUL_TX_0_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
0 to 0 |
SAUL_TX_1_CHAN |
1 to 1 |
Rx Channel Type |
Rx Channel Index Range |
SAUL_RX_0_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
0 to 0 |
SAUL_RX_1_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
1 to 1 |
SAUL_RX_2_CHAN |
2 to 2 |
SAUL_RX_3_CHAN |
3 to 3 |
Rx Flow Type |
Rx Flow Index Range |
SAUL_TX_0_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
0 to 7 |
SAUL_TX_1_CHAN |
8 to 15 |
SAUL_RX_1_CHAN
(RESERVED BY SYSTEM FIRMWARE) |
16 to 23 |
SAUL_RX_0_CHAN |
16 to 23 |
SAUL_RX_2_CHAN |
24 to 31 |
SAUL_RX_3_CHAN |
24 to 31 |