interconnect/axi: add missing axi signals

This commit is contained in:
Florent Kermarrec 2019-04-01 10:23:05 +02:00
parent f95748d167
commit b15fd9d834
1 changed files with 10 additions and 5 deletions

View File

@ -20,26 +20,31 @@ def ax_description(address_width, id_width):
("burst", 2), # Burst type
("len", 8), # Number of data (-1) transfers (up to 256)
("size", 4), # Number of bytes (-1) of each data transfer (up to 1024 bits)
("lock", 2),
("prot", 3),
("cache", 4),
("qos", 4),
("id", id_width)
]
def w_description(data_width):
def w_description(data_width, id_width):
return [
("data", data_width),
("strb", data_width//8)
("strb", data_width//8),
("id", id_width)
]
def b_description(id_width):
return [
("resp", 2),
("id", id_width)
("id", id_width)
]
def r_description(data_width, id_width):
return [
("resp", 2),
("data", data_width),
("id", id_width)
("id", id_width)
]
@ -51,7 +56,7 @@ class AXIInterface(Record):
self.clock_domain = clock_domain
self.aw = stream.Endpoint(ax_description(address_width, id_width))
self.w = stream.Endpoint(w_description(data_width))
self.w = stream.Endpoint(w_description(data_width, id_width))
self.b = stream.Endpoint(b_description(id_width))
self.ar = stream.Endpoint(ax_description(address_width, id_width))
self.r = stream.Endpoint(r_description(data_width, id_width))