Visible to Intel only — GUID: sfo1410068134253
Ixiasoft
Visible to Intel only — GUID: sfo1410068134253
Ixiasoft
9.3.3.1. HPS-to-FPGA Bridge Master Signals
The following tables list all the signals exposed by the HPS-to-FPGA master interface to the FPGA fabric.
Signal | Width | Direction | Description |
---|---|---|---|
AWID | 12 bits |
Output |
Write address ID |
AWADDR | 30 bits |
Output |
Write address |
AWLEN | 4 bits |
Output |
Burst length |
AWSIZE | 3 bits |
Output |
Burst size |
AWBURST | 2 bits |
Output |
Burst type |
AWLOCK | 2 bits |
Output |
Lock type—Valid values are 00 (normal access) and 01 (exclusive access) |
AWCACHE | 4 bits |
Output |
Cache policy type |
AWPROT | 3 bits |
Output |
Protection type |
AWVALID | 1 bit |
Output |
Write address channel valid |
AWREADY | 1 bit |
Input |
Write address channel ready |
Signal | Width | Direction | Description |
---|---|---|---|
WID | 12 bits |
Output |
Write ID |
WDATA | 32, 64, or 128 bits |
Output |
Write data |
WSTRB | 4, 8, or 16 bits |
Output |
Write data strobes |
WLAST | 1 bit |
Output |
Write last data identifier |
WVALID | 1 bit |
Output |
Write data channel valid |
WREADY | 1 bit |
Input |
Write data channel ready |
Signal | Width | Direction | Description |
---|---|---|---|
BID | 12 bits |
Input |
Write response ID |
BRESP | 2 bits |
Input |
Write response |
BVALID | 1 bit |
Input |
Write response channel valid |
BREADY | 1 bit |
Output |
Write response channel ready |
Signal | Width | Direction | Description |
---|---|---|---|
ARID | 12 bits |
Output |
Read address ID |
ARADDR | 30 bits |
Output |
Read address |
ARLEN | 4 bits |
Output |
Burst length |
ARSIZE | 3 bits |
Output |
Burst size |
ARBURST | 2 bits |
Output |
Burst type |
ARLOCK | 2 bits |
Output |
Lock type—Valid values are 00 (normal access) and 01 (exclusive access) |
ARCACHE | 4 bits |
Output |
Cache policy type |
ARPROT | 3 bits |
Output |
Protection type |
ARVALID | 1 bit |
Output |
Read address channel valid |
ARREADY | 1 bit |
Input |
Read address channel ready |
Signal | Width | Direction | Description |
---|---|---|---|
RID | 12 bits |
Input |
Read ID |
RDATA | 32, 64, or 128 bits |
Input |
Read data |
RRESP | 2 bits |
Input |
Read response |
RLAST | 1 bit |
Input |
Read last data identifier |
RVALID | 1 bit |
Input |
Read data channel valid |
RREADY | 1 bit |
Output |
Read data channel ready |