riscv/rocket-chip
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fix AXI -> TL converter

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This commit is contained in:
Howard Mao 2016-04-04 19:42:25 -07:00
parent f956d4edfb
commit f68a7dabdf
1 changed files with 3 additions and 21 deletions
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24
uncore/src/main/scala/converters.scala
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@ -584,13 +584,7 @@ class TileLinkIONastiIOConverter(implicit p: Parameters) extends TLModule()(p)
def nasti_wmask(aw: NastiWriteAddressChannel, w: NastiWriteDataChannel): UInt = {
val base = w.strb & size_mask(aw.size)
val addr_byte = nasti_addr_byte(aw)
base << addr_byte
}
def nasti_wdata(aw: NastiWriteAddressChannel, w: NastiWriteDataChannel): UInt = {
val base = w.data & FillInterleaved(8, size_mask(aw.size))
val addr_byte = nasti_addr_byte(aw)
base << Cat(addr_byte, UInt(0, 3))
w.strb & (size_mask(aw.size) << addr_byte)
}
def tl_last(gnt: GrantMetadata): Bool =
@ -645,7 +639,7 @@ class TileLinkIONastiIOConverter(implicit p: Parameters) extends TLModule()(p)
client_xact_id = aw_req.id,
addr_block = nasti_addr_block(aw_req),
addr_beat = nasti_addr_beat(aw_req),
data = nasti_wdata(aw_req, io.nasti.w.bits),
data = io.nasti.w.bits.data,
wmask = nasti_wmask(aw_req, io.nasti.w.bits)))
io.tl.acquire.bits := Mux(state === s_put, put_acquire, get_acquire)
@ -655,19 +649,7 @@ class TileLinkIONastiIOConverter(implicit p: Parameters) extends TLModule()(p)
io.nasti.aw.ready := (state === s_idle && !io.nasti.ar.valid)
io.nasti.w.ready := (state === s_put && io.tl.acquire.ready)
val acq = io.tl.acquire.bits
val nXacts = tlMaxClientXacts * tlMaxClientsPerPort
val get_align = Reg(Vec(nXacts, UInt(width = tlByteAddrBits)))
val is_narrow_get = acq.a_type === Acquire.getType
when (io.tl.acquire.fire() && is_narrow_get) {
get_align(acq.client_xact_id) := acq.addr_byte()
}
def tl_data(gnt: Grant): UInt =
Mux(gnt.g_type === Grant.getDataBeatType,
gnt.data >> Cat(get_align(gnt.client_xact_id), UInt(0, 3)),
gnt.data)
io.nasti.b.valid := io.tl.grant.valid && tl_b_grant(io.tl.grant.bits)
io.nasti.b.bits := NastiWriteResponseChannel(
@ -676,7 +658,7 @@ class TileLinkIONastiIOConverter(implicit p: Parameters) extends TLModule()(p)
io.nasti.r.valid := io.tl.grant.valid && !tl_b_grant(io.tl.grant.bits)
io.nasti.r.bits := NastiReadDataChannel(
id = io.tl.grant.bits.client_xact_id,
data = tl_data(io.tl.grant.bits),
data = io.tl.grant.bits.data,
last = tl_last(io.tl.grant.bits))
io.tl.grant.ready := Mux(tl_b_grant(io.tl.grant.bits),