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frontend/axi: Improve similarities in aw/ar handling.

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This commit is contained in:
Florent Kermarrec 2022-02-15 17:43:31 +01:00
parent 72ca120fa0
commit 497bbc0394
1 changed files with 8 additions and 6 deletions
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14
litedram/frontend/axi.py
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@ -1,7 +1,7 @@
#
# This file is part of LiteDRAM.
#
# Copyright (c) 2018-2019 Florent Kermarrec <florent@enjoy-digital.fr>
# Copyright (c) 2018-2022 Florent Kermarrec <florent@enjoy-digital.fr>
# SPDX-License-Identifier: BSD-2-Clause
"""
@ -86,7 +86,7 @@ class LiteDRAMAXI2NativeW(Module):
port.cmd.valid.eq(1),
port.cmd.we.eq(1),
port.cmd.addr.eq((aw.addr - base_address) >> ashift),
If(port.cmd.valid & port.cmd.ready,
If(port.cmd.ready,
aw.ready.eq(1),
)
)
@ -160,11 +160,13 @@ class LiteDRAMAXI2NativeR(Module):
# Command ----------------------------------------------------------------------------------
self.comb += [
self.cmd_request.eq(ar.valid & can_read),
If(self.cmd_grant,
port.cmd.valid.eq(ar.valid & can_read),
ar.ready.eq(port.cmd.ready & can_read),
If(self.cmd_request & self.cmd_grant,
port.cmd.valid.eq(1),
port.cmd.we.eq(0),
port.cmd.addr.eq((ar.addr - base_address) >> ashift)
port.cmd.addr.eq((ar.addr - base_address) >> ashift),
If(port.cmd.ready,
ar.ready.eq(1),
)
)
]