Entity: AxiLiteFifoPushPop

Diagram

time TPD_G positive POP_FIFO_COUNT_G boolean POP_SYNC_FIFO_G string POP_MEMORY_TYPE_G integer range 4 to 48 POP_ADDR_WIDTH_G integer range 1 to (2**24) POP_FULL_THRES_G boolean LOOP_FIFO_EN_G positive LOOP_FIFO_COUNT_G string LOOP_MEMORY_TYPE_G integer range 4 to 48 LOOP_ADDR_WIDTH_G positive PUSH_FIFO_COUNT_G boolean PUSH_SYNC_FIFO_G string PUSH_MEMORY_TYPE_G integer range 4 to 48 PUSH_ADDR_WIDTH_G integer range 0 to 31 RANGE_LSB_G integer range 0 to 31 VALID_POSITION_G sl VALID_POLARITY_G sl axiClk sl axiClkRst AxiLiteReadMasterType axiReadMaster AxiLiteWriteMasterType axiWriteMaster slv(POP_FIFO_COUNT_G-1 downto 0) popFifoClk slv(POP_FIFO_COUNT_G-1 downto 0) popFifoRst slv(POP_FIFO_COUNT_G-1 downto 0) popFifoWrite Slv32Array(POP_FIFO_COUNT_G-1 downto 0) popFifoDin slv(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoClk slv(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoRst slv(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoRead AxiLiteReadSlaveType axiReadSlave AxiLiteWriteSlaveType axiWriteSlave slv(POP_FIFO_COUNT_G-1 downto 0) popFifoValid slv(POP_FIFO_COUNT_G-1 downto 0) popFifoAEmpty slv(LOOP_FIFO_COUNT_G-1 downto 0) loopFifoValid slv(LOOP_FIFO_COUNT_G-1 downto 0) loopFifoAEmpty slv(LOOP_FIFO_COUNT_G-1 downto 0) loopFifoAFull slv(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoAFull slv(POP_FIFO_COUNT_G-1 downto 0) popFifoFull slv(POP_FIFO_COUNT_G-1 downto 0) popFifoAFull slv(POP_FIFO_COUNT_G-1 downto 0) popFifoPFull slv(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoValid Slv36Array(PUSH_FIFO_COUNT_G-1 downto 0) pushFifoDout

Description

Company : SLAC National Accelerator Laboratory

Description: Supports reading of general purpose FIFOs from the AxiLite bus.

One address location per FIFO.

This file is part of 'SLAC Firmware Standard Library'. It is subject to the license terms in the LICENSE.txt file found in the top-level directory of this distribution and at: https://confluence.slac.stanford.edu/display/ppareg/LICENSE.html. No part of 'SLAC Firmware Standard Library', including this file, may be copied, modified, propagated, or distributed except according to

the terms contained in the LICENSE.txt file.

Generics

Generic name Type Value Description
TPD_G time 1 ns
POP_FIFO_COUNT_G positive 1
POP_SYNC_FIFO_G boolean false
POP_MEMORY_TYPE_G string "block"
POP_ADDR_WIDTH_G integer range 4 to 48 4
POP_FULL_THRES_G integer range 1 to (2**24) 1
LOOP_FIFO_EN_G boolean false
LOOP_FIFO_COUNT_G positive 1
LOOP_MEMORY_TYPE_G string "block"
LOOP_ADDR_WIDTH_G integer range 4 to 48 4
PUSH_FIFO_COUNT_G positive 1
PUSH_SYNC_FIFO_G boolean false
PUSH_MEMORY_TYPE_G string "distributed"
PUSH_ADDR_WIDTH_G integer range 4 to 48 4
RANGE_LSB_G integer range 0 to 31 8
VALID_POSITION_G integer range 0 to 31 0
VALID_POLARITY_G sl '0'

Ports

Port name Direction Type Description
axiClk in sl AXI Interface
axiClkRst in sl
axiReadMaster in AxiLiteReadMasterType
axiReadSlave out AxiLiteReadSlaveType
axiWriteMaster in AxiLiteWriteMasterType
axiWriteSlave out AxiLiteWriteSlaveType
popFifoValid out slv(POP_FIFO_COUNT_G-1 downto 0)
popFifoAEmpty out slv(POP_FIFO_COUNT_G-1 downto 0)
loopFifoValid out slv(LOOP_FIFO_COUNT_G-1 downto 0)
loopFifoAEmpty out slv(LOOP_FIFO_COUNT_G-1 downto 0)
loopFifoAFull out slv(LOOP_FIFO_COUNT_G-1 downto 0)
pushFifoAFull out slv(PUSH_FIFO_COUNT_G-1 downto 0)
popFifoClk in slv(POP_FIFO_COUNT_G-1 downto 0) POP FIFO Write Interface
popFifoRst in slv(POP_FIFO_COUNT_G-1 downto 0)
popFifoWrite in slv(POP_FIFO_COUNT_G-1 downto 0)
popFifoDin in Slv32Array(POP_FIFO_COUNT_G-1 downto 0)
popFifoFull out slv(POP_FIFO_COUNT_G-1 downto 0)
popFifoAFull out slv(POP_FIFO_COUNT_G-1 downto 0)
popFifoPFull out slv(POP_FIFO_COUNT_G-1 downto 0)
pushFifoClk in slv(PUSH_FIFO_COUNT_G-1 downto 0) Push FIFO Read Interface
pushFifoRst in slv(PUSH_FIFO_COUNT_G-1 downto 0)
pushFifoValid out slv(PUSH_FIFO_COUNT_G-1 downto 0)
pushFifoDout out Slv36Array(PUSH_FIFO_COUNT_G-1 downto 0)
pushFifoRead in slv(PUSH_FIFO_COUNT_G-1 downto 0)

Signals

Name Type Description
ipopFifoValid slv(POP_COUNT_C-1 downto 0) Local Signals
ipopFifoDout Slv32Array(POP_COUNT_C-1 downto 0)
ipopFifoRead slv(POP_COUNT_C-1 downto 0)
iloopFifoDin slv(31 downto 0)
iloopFifoWrite Slv(LOOP_COUNT_C-1 downto 0)
iloopFifoValid slv(LOOP_COUNT_C-1 downto 0)
iloopFifoDout Slv32Array(LOOP_COUNT_C-1 downto 0)
iloopFifoRead slv(LOOP_COUNT_C-1 downto 0)
ipushFifoFull slv(PUSH_COUNT_C-1 downto 0)
ipushFifoAFull slv(PUSH_COUNT_C-1 downto 0)
ipushFifoDin Slv(35 downto 0)
ipushFifoWrite slv(PUSH_COUNT_C-1 downto 0)
r RegType
rin RegType

Constants

Name Type Value Description
POP_SIZE_C integer bitSize(POP_FIFO_COUNT_G-1)
POP_COUNT_C integer 2**POP_SIZE_C
PUSH_SIZE_C integer bitSize(PUSH_FIFO_COUNT_G-1)
PUSH_COUNT_C integer 2**PUSH_SIZE_C
LOOP_SIZE_C integer bitSize(LOOP_FIFO_COUNT_G-1)
LOOP_COUNT_C integer 2**LOOP_SIZE_C
REG_INIT_C RegType ( loopFifoDin => (others => '0'),
loopFifoWrite => (others => '0'),
loopFifoRead => (others => '0'),
popFifoRead => (others => '0'),
pushFifoWrite => (others => '0'),
pushFifoDin => (others => '0'),
axiReadSlave => AXI_LITE_READ_SLAVE_INIT_C,
axiWriteSlave => AXI_LITE_WRITE_SLAVE_INIT_C )

Types

Name Type Description
RegType

Processes

Description
--------------------------------------- AXI Lite --------------------------------------- Sync

Description
Async