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frontend/axi: add assert on axi.address_width and base_address

This commit is contained in:
Florent Kermarrec 2019-10-18 18:29:39 +02:00
parent 1d037d2a64
commit d84e1b4ac5
1 changed files with 2 additions and 0 deletions
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litedram/frontend/axi.py
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@ -31,6 +31,7 @@ class LiteDRAMAXIPort(AXIInterface):
class LiteDRAMAXI2NativeW(Module): class LiteDRAMAXI2NativeW(Module):
def __init__(self, axi, port, buffer_depth, base_address): def __init__(self, axi, port, buffer_depth, base_address):
assert axi.address_width >= log2_int(base_address)
self.cmd_request = Signal() self.cmd_request = Signal()
self.cmd_grant = Signal() self.cmd_grant = Signal()
@ -97,6 +98,7 @@ class LiteDRAMAXI2NativeW(Module):
class LiteDRAMAXI2NativeR(Module): class LiteDRAMAXI2NativeR(Module):
def __init__(self, axi, port, buffer_depth, base_address): def __init__(self, axi, port, buffer_depth, base_address):
assert axi.address_width >= log2_int(base_address)
self.cmd_request = Signal() self.cmd_request = Signal()
self.cmd_grant = Signal() self.cmd_grant = Signal()