Reduce crossing and queue depths to save space and ease timing
This commit is contained in:
parent
700e6b640d
commit
b49f5cfa78
@ -47,7 +47,7 @@ class XilinxML507MIGToTL(c: XilinxML507MIGParams)(implicit p: Parameters) extend
|
||||
|
||||
val address_range = AddressRange.fromSets(c.address).head
|
||||
require(log2Ceil(address_range.size) == 28, "Max 256MiB DIMMs supported")
|
||||
val crossing = AsynchronousCrossing(8)
|
||||
val crossing = AsynchronousCrossing(1)
|
||||
|
||||
val device = new MemoryDevice
|
||||
val node = TLManagerNode(
|
||||
@ -101,7 +101,7 @@ class XilinxML507MIGToTL(c: XilinxML507MIGParams)(implicit p: Parameters) extend
|
||||
// Save the source, size and type of the requests in a queue so we
|
||||
// can synthesize the right responses in fifo order. The length also
|
||||
// determines the maximum number of in-flight requests.
|
||||
val ack_queue = Module(new Queue(new ResponseQueueIO, 4))
|
||||
val ack_queue = Module(new Queue(new ResponseQueueIO, 2))
|
||||
|
||||
// Pass data directly to the controller
|
||||
controller.io.request_addr := address
|
||||
@ -127,7 +127,7 @@ class XilinxML507MIGToTL(c: XilinxML507MIGParams)(implicit p: Parameters) extend
|
||||
// avoid losing any responses, this queue *must* be at least as wide
|
||||
// as the ack queue, so that we can catch all responses, even if the
|
||||
// ack queue is completely filled with read requests.
|
||||
val response_queue = Module(new Queue(controller.io.response_data, 4))
|
||||
val response_queue = Module(new Queue(controller.io.response_data, 2))
|
||||
|
||||
response_queue.io.enq.bits := controller.io.response_data
|
||||
response_queue.io.enq.valid := controller.io.response_valid
|
||||
|
Loading…
Reference in New Issue
Block a user