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- Replaced cache with simpler wishbone-memory bridge

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- Redesign wishbone interconnect
- Changed wb_ddr_ctrl_wb_sc to allow easier addition of ports
This commit is contained in:
Matthias Blankertz
2013-06-04 23:18:16 +02:00
parent 882ec0a33f
commit 1807fb99b5
20 changed files with 1882 additions and 2124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
Makefile
View File

@@ -25,11 +25,10 @@ ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_data_path_iobs_0.vhd \
ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dm_iob.vhd \ ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dm_iob.vhd \
ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dqs_iob.vhd \ ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dqs_iob.vhd \
ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dq_iob.vhd \ ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_s3_dq_iob.vhd \
src/wb_interconnect.vhd \ src/wishbone.vhd \
src/wb_ram.vhd \ src/wb_ram.vhd \
src/clk_reset.vhd src/wb_ddr_ctrl.vhd src/wb_ddr_ctrl_ddrwrap.vhd \ src/clk_reset.vhd src/wb_ddr_ctrl.vhd src/wb_ddr_ctrl_ddrwrap.vhd \
src/wb_ddr_ctrl_wb.vhd src/wb_ddr_ctrl_wb_dc_fsm.vhd src/wb_ddr_ctrl_wb_dc.vhd \ src/wb_ddr_ctrl_wb.vhd src/wb_ddr_ctrl_wb_dc_fsm.vhd src/wb_ddr_ctrl_wb_dc.vhd \
src/wb_ddr_ctrl_wb_sc_fe_ram.vhd src/wb_ddr_ctrl_wb_sc_fe_fsm.vhd src/wb_ddr_ctrl_wb_sc_fe.vhd \
src/wb_ddr_ctrl_wb_sc.vhd src/vga_syncgen.vhd src/vga_pixelgen.vhd \ src/wb_ddr_ctrl_wb_sc.vhd src/vga_syncgen.vhd src/vga_pixelgen.vhd \
src/vga_pixelreader.vhd src/vga.vhd \ src/vga_pixelreader.vhd src/vga.vhd \
src/bresenham_dp.vhd \ src/bresenham_dp.vhd \
@@ -37,6 +36,7 @@ src/rasterizer_l_fsm.vhd src/rasterizer_l.vhd \
src/mblite_rom_data.vhd src/mblite_rom.vhd src/mblite_wrapper.vhd src/pio.vhd \ src/mblite_rom_data.vhd src/mblite_rom.vhd src/mblite_wrapper.vhd src/pio.vhd \
src/uart/fifo16x8.vhd src/uart/par2ser.vhd src/uart/pulsegen325.vhd src/uart/readctrl.vhd src/uart/ser2par.vhd \ src/uart/fifo16x8.vhd src/uart/par2ser.vhd src/uart/pulsegen325.vhd src/uart/readctrl.vhd src/uart/ser2par.vhd \
src/uart/writectrl.vhd src/uart/uart.vhd src/uart/uart_wbc.vhd \ src/uart/writectrl.vhd src/uart/uart.vhd src/uart/uart_wbc.vhd \
src/ram_16x64.vhd src/wb_mem_bridge.vhd \
src/toplevel.vhd src/toplevel.vhd
MBLITE_INFILES=mblite/config_Pkg.vhd mblite/std_Pkg.vhd mblite/core_Pkg.vhd \ MBLITE_INFILES=mblite/config_Pkg.vhd mblite/std_Pkg.vhd mblite/core_Pkg.vhd \
mblite/dsram.vhd mblite/gprf.vhd mblite/fetch.vhd mblite/decode.vhd mblite/execute.vhd mblite/mem.vhd \ mblite/dsram.vhd mblite/gprf.vhd mblite/fetch.vhd mblite/decode.vhd mblite/execute.vhd mblite/mem.vhd \
@@ -45,6 +45,7 @@ SYN_INFILES=
PSMFILES= PSMFILES=
CORES=wb_ddr_ctrl_wb_from_ddr wb_ddr_ctrl_wb_to_ddr vga_pixeldata_fifo CORES=wb_ddr_ctrl_wb_from_ddr wb_ddr_ctrl_wb_to_ddr vga_pixeldata_fifo
BMMFILE=mblite_rom.bmm BMMFILE=mblite_rom.bmm
BMMFILE_BD=mblite_rom_bd.bmm
MEMFILE=test.mem MEMFILE=test.mem
PRJNAME=2d_display_engine PRJNAME=2d_display_engine
NGCFILE=$(PRJNAME).ngc NGCFILE=$(PRJNAME).ngc
@@ -56,6 +57,7 @@ NGDFILE=$(PRJNAME).ngd
NCDFILE=$(PRJNAME).ncd NCDFILE=$(PRJNAME).ncd
NCDFILE_R=$(PRJNAME)_routed.ncd NCDFILE_R=$(PRJNAME)_routed.ncd
BITFILE=$(PRJNAME).bit BITFILE=$(PRJNAME).bit
FWBITFILE=$(PRJNAME)_bd.bit
TWRFILE=$(PRJNAME).twr TWRFILE=$(PRJNAME).twr
TWXFILE=$(PRJNAME).twx TWXFILE=$(PRJNAME).twx
PRJFILE=$(PRJNAME).prj PRJFILE=$(PRJNAME).prj
@@ -117,7 +119,7 @@ FWFILE=firmware/fw.elf
.SECONDARY: .SECONDARY:
all: $(BITFILE) #firmware/fw.elf all: $(FWBITFILE)
synth: $(NGCFILE) synth: $(NGCFILE)
@@ -128,13 +130,18 @@ timing: $(TWRFILE)
firmware/fw.elf: firmware/fw.elf:
cd firmware && make fw.elf cd firmware && make fw.elf
bit: $(BITFILE)
impact: $(FWBITFILE) impact.cmd
impact -batch impact.cmd
#%.vhd: %.psm #%.vhd: %.psm
# ../tools/picoasm/picoasm -t ../tools/picoasm/ROM_form.vhd -i $< # ../tools/picoasm/picoasm -t ../tools/picoasm/ROM_form.vhd -i $<
src/wb_interconnect.vhd: src/wishbone.defines tools/wishbone.pl src/wb_interconnect.vhd: src/wishbone.defines tools/wishbone.pl
cd src && dos2unix wishbone.defines && ../tools/wishbone.pl -nogui wishbone.defines cd src && dos2unix wishbone.defines && ../tools/wishbone.pl -nogui wishbone.defines
src/mblite_rom_data.vhd: $(BMMFILE) $(FWFILE) src/mblite_rom_data.vhd: $(BMMFILE) # $(FWFILE)
$(DATA2MEM) -bm $(BMMFILE) -bd $(FWFILE) -o h $@ $(DATA2MEM) -bm $(BMMFILE) -bd $(FWFILE) -o h $@
coregen/%.vhd coregen/%.ngc: coregen/%.xco coregen/coregen.cgp coregen/%.vhd coregen/%.ngc: coregen/%.xco coregen/coregen.cgp
@@ -178,9 +185,11 @@ $(PCFFILE) $(NCDFILE) : $(NGDFILE)
$(NCDFILE_R): $(PCFFILE) $(NCDFILE) $(NCDFILE_R): $(PCFFILE) $(NCDFILE)
$(PAR) -w $(PAROPTS) $(NCDFILE) $(NCDFILE_R) $(PCFFILE) $(PAR) -w $(PAROPTS) $(NCDFILE) $(NCDFILE_R) $(PCFFILE)
$(BITFILE): $(NCDFILE_R) $(PCFFILE) $(BITFILE) $(BMMFILE_BD): $(NCDFILE_R) $(PCFFILE)
$(BITGEN) -w $(BITGENOPTS) $(NCDFILE_R) $(BITFILE) $(PCFFILE) $(BITGEN) -w $(BITGENOPTS) $(NCDFILE_R) $(BITFILE) $(PCFFILE)
#-bd $(MEMFILE)
$(FWBITFILE): $(BITFILE) $(BMMFILE_BD) $(FWFILE)
$(DATA2MEM) -bm $(BMMFILE_BD) -bt $(BITFILE) -bd $(FWFILE) -o b $@
$(TWRFILE) $(TWXFILE): $(NCDFILE_R) $(PCFFILE) $(TWRFILE) $(TWXFILE): $(NCDFILE_R) $(PCFFILE)
$(TRCE) $(TRACEOPTS) -o $(TWRFILE) $(NCDFILE_R) $(PCFFILE) $(TRCE) $(TRACEOPTS) -o $(TWRFILE) $(NCDFILE_R) $(PCFFILE)
@@ -191,7 +200,7 @@ isim/ieee_proposed/std_logic_1164_additions.vdb: tools/std_logic_1164_additions.
isim/mblite/%.vdb: mblite/%.vhd isim/mblite/%.vdb: mblite/%.vhd
$(VHPCOMP) --work mblite=isim/mblite $< $(VHPCOMPOPTS) $(VHPCOMP) --work mblite=isim/mblite $< $(VHPCOMPOPTS)
isim/work/intercon_package.vdb isim/work/intercon.vdb: src/wb_interconnect.vhd isim/work/intercon_package.vdb isim/work/interconnect.vdb: src/wishbone.vhd
$(VHPCOMP) $< $(VHPCOMPOPTS) $(VHPCOMP) $< $(VHPCOMPOPTS)
isim/work/vhdl_bl4_dqs_delay.vdb: ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_dqs_delay_0.vhd isim/work/vhdl_bl4_dqs_delay.vdb: ddr2_sdram/vhdl_bl4/example_design/rtl/vhdl_bl4_dqs_delay_0.vhd
@@ -222,14 +231,18 @@ isim/work/%.vdb: coregen/%.vhd
$(FUSE) work.$(@:.exe=) -o $@ $(FUSEOPTS) $(FUSE) work.$(@:.exe=) -o $@ $(FUSEOPTS)
clean: clean:
rm -f $(NGCFILE) $(PCFFILE) $(NGDFILE) $(NCDFILE) $(NCDFILE_R) $(BITFILE) $(SIMALLFILESXDB) $(CORESVDB) rm -f $(NGCFILE) $(PCFFILE) $(NGDFILE) $(NCDFILE) $(NCDFILE_R) $(BITFILE) $(SIMALLFILESXDB) $(CORESVDB) xst/
cd firmware && make clean cd firmware && make clean
.PSEUDO=all synth impl timing clean .PSEUDO=all synth impl timing clean bit impact
isim/work/toplevel_tb.vdb: isim/work/sim_bmppack.vdb isim/work/toplevel.vdb isim/work/toplevel_tb.vdb: isim/work/sim_bmppack.vdb isim/work/toplevel.vdb
isim/work/toplevel.vdb: isim/work/mblite_wrapper.vdb isim/work/intercon_package.vdb isim/work/intercon.vdb isim/work/clk_reset.vdb isim/work/wb_ddr_ctrl.vdb isim/work/vga.vdb isim/work/wb_ram.vdb isim/work/pio.vdb isim/work/uart_wbc.vdb isim/work/wb_ddr_ctrl_wb_sc_tb.vdb: isim/work/wb_ddr_ctrl_wb_sc.vdb
isim/work/wb_mem_bridge_tb.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_sc.vdb isim/work/wb_mem_bridge.vdb
isim/work/toplevel.vdb: isim/work/mblite_wrapper.vdb isim/work/intercon_package.vdb isim/work/interconnect.vdb isim/work/clk_reset.vdb isim/work/wb_ddr_ctrl.vdb isim/work/vga.vdb isim/work/wb_ram.vdb isim/work/pio.vdb isim/work/uart_wbc.vdb isim/work/wb_mem_bridge.vdb
isim/work/mblite_wrapper.vdb: isim/work/intercon_package.vdb isim/work/mblite_rom.vdb isim/mblite/core_wb.vdb isim/work/mblite_wrapper.vdb: isim/work/intercon_package.vdb isim/work/mblite_rom.vdb isim/mblite/core_wb.vdb
@@ -289,11 +302,11 @@ isim/work/vhdl_bl4_data_path_iobs_0.vdb: isim/work/vhdl_bl4_parameters_0.vdb isi
isim/work/wb_ddr_ctrl_wb.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_from_ddr.vdb isim/work/wb_ddr_ctrl_wb_to_ddr.vdb isim/work/wb_ddr_ctrl_wb_sc.vdb isim/work/wb_ddr_ctrl_wb_dc.vdb isim/work/wb_ddr_ctrl_wb.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_from_ddr.vdb isim/work/wb_ddr_ctrl_wb_to_ddr.vdb isim/work/wb_ddr_ctrl_wb_sc.vdb isim/work/wb_ddr_ctrl_wb_dc.vdb
isim/work/wb_ddr_ctrl_wb_sc.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_sc_fe.vdb #isim/work/wb_ddr_ctrl_wb_sc.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_sc_fe.vdb
isim/work/wb_ddr_ctrl_wb_sc_fe.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_sc_fe_fsm.vdb isim/work/wb_ddr_ctrl_wb_sc_fe_ram.vdb #isim/work/wb_ddr_ctrl_wb_sc_fe.vdb: isim/work/intercon_package.vdb isim/work/wb_ddr_ctrl_wb_sc_fe_fsm.vdb isim/work/wb_ddr_ctrl_wb_sc_fe_ram.vdb
isim/work/wb_ddr_ctrl_wb_sc_fe_fsm.vdb: isim/work/intercon_package.vdb #isim/work/wb_ddr_ctrl_wb_sc_fe_fsm.vdb: isim/work/intercon_package.vdb
isim/work/wb_ddr_ctrl_wb_dc.vdb: isim/work/wb_ddr_ctrl_wb_dc_fsm.vdb isim/work/wb_ddr_ctrl_wb_dc.vdb: isim/work/wb_ddr_ctrl_wb_dc_fsm.vdb
@@ -308,3 +321,5 @@ isim/work/pio.vdb: isim/work/intercon_package.vdb
isim/work/uart_wbc.vdb: isim/work/uart.vdb isim/work/uart_wbc.vdb: isim/work/uart.vdb
isim/work/uart.vdb: isim/work/ser2par.vdb isim/work/readctrl.vdb isim/work/fifo16x8.vdb isim/work/pulsegen325.vdb isim/work/par2ser.vdb isim/work/writectrl.vdb isim/work/uart.vdb: isim/work/ser2par.vdb isim/work/readctrl.vdb isim/work/fifo16x8.vdb isim/work/pulsegen325.vdb isim/work/par2ser.vdb isim/work/writectrl.vdb
isim/work/wb_mem_bridge.vdb: isim/work/intercon_package.vdb isim/work/ram_16x64.vdb

6
constr/2d_display_engine.ucf
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@@ -51,3 +51,9 @@ NET "LED<7>" LOC = "W21" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8;
# RS232 # RS232
NET "RS232_RXD" LOC = "E16" | IOSTANDARD = LVCMOS33; NET "RS232_RXD" LOC = "E16" | IOSTANDARD = LVCMOS33;
NET "RS232_TXD" LOC = "F15" | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW; NET "RS232_TXD" LOC = "F15" | IOSTANDARD = LVCMOS33 | DRIVE = 8 | SLEW = SLOW;
# MicroSD PMOD (in J18)
NET "SD_MISO" LOC = "AA21" | IOSTANDARD = LVCMOS33 | DRIVE = 8;
NET "SD_SCK" LOC = "AB21" | IOSTANDARD = LVCMOS33 | DRIVE = 8;
NET "SD_CS" LOC = "AA19" | IOSTANDARD = LVCMOS33 | DRIVE = 8;
NET "SD_MOSI" LOC = "AB19" | IOSTANDARD = LVCMOS33 | DRIVE = 8;

48
firmware/test.s
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@@ -6,16 +6,56 @@ main:
addi r19, r0, helloworld addi r19, r0, helloworld
main_loop: main_loop:
lbu r5, r19, r0 lbu r5, r19, r0
beqi r5, done beqi r5, fill
brlid r15, send_byte brlid r15, send_byte
addi r19, r19, 1 # delay slot addi r19, r19, 1 # delay slot
bri main_loop bri main_loop
fill:
# Clear screen
addi r3, r0, 0x8000000 # r3 = address, load with FB base
addi r4, r0, 0 # r4 = y ctr
addi r7, r0, 0x0f000f00 # Upper/lower border
addi r8, r0, 0x0000000f # Left border
addi r9, r0, 0x00f00000 # Right border
fill_line:
addi r5, r0, 0 # r5 = x ctr
fill_loop:
beqi r4, border
addi r6, r4, -479
beqi r6, border
beqi r5, lborder
addi r6, r5, -638
beqi r6, rborder
brid fill_loop_end
sw r0, r3, r0
border:
brid fill_loop_end
sw r7, r3, r0
lborder:
brid fill_loop_end
sw r8, r3, r0
rborder:
sw r9, r3, r0
fill_loop_end:
addi r3, r3, 4
addi r6, r5, -638
beqi r6, fill_loop_nextline
brid fill_loop
addi r5, r5, 2
fill_loop_nextline:
addi r6, r4, -479
beqi r6, done
brid fill_line
addi r4, r4, 1
done: done:
bri done swi r0, r0, 0x0BFFFFFF # Force mem_bridge buffer flush
idle:
bri idle
send_byte: send_byte:
lbui r3, r0, 0x4024 lbui r3, r0, 0x4021
andi r3, r3, 0x2 # writefull andi r3, r3, 0x2 # writefull
bnei r3, send_byte bnei r3, send_byte
rtsd r15, 8 rtsd r15, 8
@@ -25,7 +65,7 @@ send_byte:
.rodata .rodata
helloworld: helloworld:
.asciz "Hello, World!" .asciz "Hello, World!(2)"
.data .data
testdata: testdata:

6
impact.cmd Normal file
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@@ -0,0 +1,6 @@
setMode -bs
setCable -port auto
identify
assignFile -p 1 -file "2d_display_engine_bd.bit"
program -p 1 -onlyFpga
exit

8
mblite/dsram.vhd
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@@ -38,8 +38,12 @@ port
end dsram; end dsram;
architecture arch of dsram is architecture arch of dsram is
type ram_type is array(2 ** SIZE - 1 downto 0) of std_logic_vector(WIDTH - 1 downto 0); attribute ram_style : string;
signal ram : ram_type;
type ram_type is array(2 ** SIZE - 1 downto 0) of std_logic_vector(WIDTH - 1 downto 0);
signal ram : ram_type;
attribute ram_style of ram : signal is "distributed";
begin begin
process(clk_i) process(clk_i)
begin begin

70
src/ram_16x64.vhd Normal file
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@@ -0,0 +1,70 @@
-------------------------------------------------------------------------------
-- Title : 16x64 RAM. built from Xilinx LUTRAM primitives
-- Project :
-------------------------------------------------------------------------------
-- File : ram_16x64.vhd
-- Author : Matthias Blankertz <matthias@blankertz.org>
-- Company :
-- Created : 2013-06-04
-- Last update: 2013-06-04
-- Platform :
-- Standard : VHDL'93/02
-------------------------------------------------------------------------------
-- Description:
-------------------------------------------------------------------------------
-- Copyright (c) 2013
-------------------------------------------------------------------------------
-- Revisions :
-- Date Version Author Description
-- 2013-06-04 1.0 matthias Created
-------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
library UNISIM;
use UNISIM.VComponents.all;
entity ram_16x64 is
port (
clk : in std_logic;
bwe : in std_logic_vector(7 downto 0);
adr : in std_logic_vector(3 downto 0);
din : in std_logic_vector(63 downto 0);
dout : out std_logic_vector(63 downto 0)
);
end ram_16x64;
architecture Behavioral of ram_16x64 is
signal lut_dout : std_logic_vector(63 downto 0);
begin
gen1: for b in 0 to 7 generate
gen2: for i in 0 to 7 generate
ram_inst : RAM16X1S
port map (
O => lut_dout(b*8+i),
A0 => adr(0),
A1 => adr(1),
A2 => adr(2),
A3 => adr(3),
D => din(b*8+i),
WCLK => clk,
WE => bwe(b)
);
end generate;
end generate;
-- Output register
oreg : process(clk)
begin
if rising_edge(clk) then
dout <= lut_dout;
end if;
end process oreg;
end Behavioral;

54
src/toplevel.vhd
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@@ -87,19 +87,25 @@ architecture Mixed of toplevel is
signal ram_wbs_i : ram_wbs_i_type; signal ram_wbs_i : ram_wbs_i_type;
signal rom_wbs_o : mblite_rom_wbs_o_type; signal rom_wbs_o : mblite_rom_wbs_o_type;
signal rom_wbs_i : mblite_rom_wbs_i_type; signal rom_wbs_i : mblite_rom_wbs_i_type;
signal sdram_ctrl_wbs_i : sdram_ctrl_wbs_i_type;
signal sdram_ctrl_wbs_o : sdram_ctrl_wbs_o_type;
signal sdram_ctrl_cc_wbs_i : sdram_ctrl_cc_wbs_i_type;
signal sdram_ctrl_cc_wbs_o : sdram_ctrl_cc_wbs_o_type;
signal pio_led_wbs_i : pio_led_wbs_i_type; signal pio_led_wbs_i : pio_led_wbs_i_type;
signal pio_led_wbs_o : pio_led_wbs_o_type; signal pio_led_wbs_o : pio_led_wbs_o_type;
signal uart_wbs_i : uart_wbs_i_type; signal uart_wbs_i : uart_wbs_i_type;
signal uart_wbs_o : uart_wbs_o_type; signal uart_wbs_o : uart_wbs_o_type;
signal mem_bridge_wbs_o : mem_bridge_wbs_o_type;
signal mem_bridge_wbs_i : mem_bridge_wbs_i_type;
signal vga_mem_rdrq : std_logic; signal vga_mem_rdrq : std_logic;
signal vga_mem_adr : std_logic_vector(19 downto 0); signal vga_mem_adr : std_logic_vector(19 downto 0);
signal vga_mem_ack : std_logic; signal vga_mem_ack : std_logic;
signal vga_mem_dat_i : std_logic_vector(63 downto 0); signal vga_mem_dat_i : std_logic_vector(63 downto 0);
signal wb_mem_rdrq : std_logic;
signal wb_mem_wrrq : std_logic;
signal wb_mem_adr : std_logic_vector(19 downto 0);
signal wb_mem_dat_o : std_logic_vector(63 downto 0);
signal wb_mem_sel : std_logic_vector(7 downto 0);
signal wb_mem_ack : std_logic;
signal wb_mem_dat_i : std_logic_vector(63 downto 0);
signal reset_int : std_logic; signal reset_int : std_logic;
@@ -147,15 +153,19 @@ ddr_ctrl0 : entity work.wb_ddr_ctrl
clk_i => sysClk, clk_i => sysClk,
rst_i => sysRst, rst_i => sysRst,
wbs_i => sdram_ctrl_wbs_i,
wbs_o => sdram_ctrl_wbs_o,
wbs_cc_i => sdram_ctrl_cc_wbs_i,
wbs_cc_o => sdram_ctrl_cc_wbs_o,
vga_mem_rdrq => vga_mem_rdrq, vga_mem_rdrq => vga_mem_rdrq,
vga_mem_adr => vga_mem_adr, vga_mem_adr => vga_mem_adr,
vga_mem_ack => vga_mem_ack, vga_mem_ack => vga_mem_ack,
vga_mem_dat_i => vga_mem_dat_i vga_mem_dat_i => vga_mem_dat_i,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i
); );
vga_1: entity work.vga vga_1: entity work.vga
@@ -236,6 +246,23 @@ uart_inst: entity work.uart_wbc
SERIALOUT => rs232_txd SERIALOUT => rs232_txd
); );
mem_bridge_inst : entity work.wb_mem_bridge
port map (
clk_i => sysClk,
rst_i => sysRst,
wbs_i => mem_bridge_wbs_i,
wbs_o => mem_bridge_wbs_o,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i
);
cpu_inst : entity work.mblite_wrapper cpu_inst : entity work.mblite_wrapper
port map ( port map (
clk_i => sysClk, clk_i => sysClk,
@@ -250,7 +277,7 @@ cpu_inst : entity work.mblite_wrapper
fb_flip <= '0'; fb_flip <= '0';
intercon_1: entity work.intercon intercon_1: entity work.interconnect
port map ( port map (
cpu_wbm_i => cpu_wbm_i, cpu_wbm_i => cpu_wbm_i,
cpu_wbm_o => cpu_wbm_o, cpu_wbm_o => cpu_wbm_o,
@@ -258,15 +285,12 @@ intercon_1: entity work.intercon
mblite_rom_wbs_o => rom_wbs_o, mblite_rom_wbs_o => rom_wbs_o,
ram_wbs_i => ram_wbs_i, ram_wbs_i => ram_wbs_i,
ram_wbs_o => ram_wbs_o, ram_wbs_o => ram_wbs_o,
sdram_ctrl_wbs_i => sdram_ctrl_wbs_i, mem_bridge_wbs_i => mem_bridge_wbs_i,
sdram_ctrl_wbs_o => sdram_ctrl_wbs_o, mem_bridge_wbs_o => mem_bridge_wbs_o,
sdram_ctrl_cc_wbs_i => sdram_ctrl_cc_wbs_i,
sdram_ctrl_cc_wbs_o => sdram_ctrl_cc_wbs_o,
pio_led_wbs_o => pio_led_wbs_o, pio_led_wbs_o => pio_led_wbs_o,
pio_led_wbs_i => pio_led_wbs_i, pio_led_wbs_i => pio_led_wbs_i,
uart_wbs_o => uart_wbs_o, uart_wbs_o => uart_wbs_o,
uart_wbs_i => uart_wbs_i, uart_wbs_i => uart_wbs_i,
dummy_wbm_o => ("----", (others => '-'), "--", "---", '0', '0'),
clk => sysClk, clk => sysClk,
reset => sysRst); reset => sysRst);

193
src/wb_ddr_ctrl.vhd
View File

@@ -61,122 +61,42 @@ entity wb_ddr_ctrl is
ddr2_dqs_n : inout std_logic_vector(1 downto 0); ddr2_dqs_n : inout std_logic_vector(1 downto 0);
ddr2_ck : out std_logic_vector(0 downto 0); ddr2_ck : out std_logic_vector(0 downto 0);
ddr2_ck_n : out std_logic_vector(0 downto 0); ddr2_ck_n : out std_logic_vector(0 downto 0);
-- Wishbone slave
clk_i : in std_ulogic; clk_i : in std_ulogic;
rst_i : in std_ulogic; rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type; -- Memory ports
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type; -- Port 0: RO, Prio 0 - VGA controller
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- Direct memctrl access for VGA
vga_mem_rdrq : in std_logic; vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0); vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic; vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0) vga_mem_dat_i : out std_logic_vector(63 downto 0);
-- Port 1: RW, Prio 1 - WB bridge
wb_mem_rdrq : in std_logic;
wb_mem_wrrq : in std_logic;
wb_mem_adr : in std_logic_vector(19 downto 0);
wb_mem_dat_o : in std_logic_vector(63 downto 0);
wb_mem_sel : in std_logic_vector(7 downto 0);
wb_mem_ack : out std_logic;
wb_mem_dat_i : out std_logic_vector(63 downto 0)
); );
end wb_ddr_ctrl; end wb_ddr_ctrl;
architecture Behavioral of wb_ddr_ctrl is architecture Behavioral of wb_ddr_ctrl is
component wb_ddr_ctrl_ddrwrap is
Port (
-- DDR2 control
ddr2_clock_in : in std_ulogic;
ddr2_reset : in std_ulogic;
-- DDR2 ctrl to system
ctrl_input_data : in std_logic_vector(31 downto 0);
ctrl_data_mask : in std_logic_vector(3 downto 0);
ctrl_output_data : out std_logic_vector(31 downto 0) := (others => 'Z');
ctrl_data_valid : out std_logic;
ctrl_input_address : in std_logic_vector(((13 + 10 + 2)-1) downto 0);
ctrl_command_register : in std_logic_vector(2 downto 0);
ctrl_burst_done : in std_logic;
ctrl_auto_ref_req : out std_logic;
ctrl_cmd_ack : out std_logic;
ctrl_init_done : out std_logic;
ctrl_ar_done : out std_logic;
-- DDR2 SDRAM
ddr2_dq : inout std_logic_vector(15 downto 0);
ddr2_a : out std_logic_vector(12 downto 0);
ddr2_ba : out std_logic_vector(1 downto 0);
ddr2_cke : out std_logic;
ddr2_cs_n : out std_logic;
ddr2_ras_n : out std_logic;
ddr2_cas_n : out std_logic;
ddr2_we_n : out std_logic;
ddr2_odt : out std_logic;
ddr2_dm : out std_logic_vector(1 downto 0);
rst_dqs_div_in : in std_logic;
rst_dqs_div_out : out std_logic;
ddr2_dqs : inout std_logic_vector(1 downto 0);
ddr2_dqs_n : inout std_logic_vector(1 downto 0);
ddr2_ck : out std_logic_vector(0 downto 0);
ddr2_ck_n : out std_logic_vector(0 downto 0);
-- Clock out
ddr2_clk0 : out std_ulogic;
ddr2_clk90 : out std_ulogic;
ddr2_clk180 : out std_logic;
ddr2_rst0 : out std_ulogic signal ddr2_clk0, ddr2_clk90, ddr2_clk180 : std_ulogic;
); signal ddr2_rst0 : std_ulogic;
end component; signal ctrl_input_data : std_logic_vector(31 downto 0);
signal ctrl_data_mask : std_logic_vector(3 downto 0);
component wb_ddr_ctrl_wb is signal ctrl_output_data : std_logic_vector(31 downto 0) := (others => 'Z');
generic ( signal ctrl_data_valid : std_logic;
dontcare : std_logic := '-' signal ctrl_input_address : std_logic_vector(((13 + 10 + 2)-1) downto 0);
); signal ctrl_command_register : std_logic_vector(2 downto 0);
Port ( signal ctrl_burst_done, ctrl_auto_ref_req, ctrl_cmd_ack, ctrl_init_done, ctrl_ar_done : std_logic;
-- Control signals
ddr2_clk0 : in std_ulogic;
ddr2_clk90 : in std_ulogic;
ddr2_clk180 : in std_logic;
ddr2_reset : in std_ulogic;
-- to DDR2 controller
ctrl_input_data : out std_logic_vector(31 downto 0);
ctrl_data_mask : out std_logic_vector(3 downto 0);
ctrl_output_data : in std_logic_vector(31 downto 0) := (others => 'Z');
ctrl_data_valid : in std_logic;
ctrl_input_address : out std_logic_vector(((13 + 10 + 2)-1) downto 0);
ctrl_command_register : out std_logic_vector(2 downto 0);
ctrl_burst_done : out std_logic;
ctrl_auto_ref_req : in std_logic;
ctrl_cmd_ack : in std_logic;
ctrl_init_done : in std_logic;
ctrl_ar_done : in std_logic;
-- Wishbone slave
clk_i : in std_ulogic;
rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type;
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type;
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- Direct memctrl access for VGA
vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0)
);
end component;
signal ddr2_clk0, ddr2_clk90, ddr2_clk180 : std_ulogic;
signal ddr2_rst0 : std_ulogic;
signal ctrl_input_data : std_logic_vector(31 downto 0);
signal ctrl_data_mask : std_logic_vector(3 downto 0);
signal ctrl_output_data : std_logic_vector(31 downto 0) := (others => 'Z');
signal ctrl_data_valid : std_logic;
signal ctrl_input_address : std_logic_vector(((13 + 10 + 2)-1) downto 0);
signal ctrl_command_register : std_logic_vector(2 downto 0);
signal ctrl_burst_done, ctrl_auto_ref_req, ctrl_cmd_ack, ctrl_init_done, ctrl_ar_done : std_logic;
begin begin
ddr_0 : wb_ddr_ctrl_ddrwrap ddr_0 : entity work.wb_ddr_ctrl_ddrwrap
port map ( port map (
ddr2_clock_in => ddr2_clock, ddr2_clock_in => ddr2_clock,
ddr2_reset => ddr2_reset, ddr2_reset => ddr2_reset,
@@ -217,40 +137,43 @@ ddr_0 : wb_ddr_ctrl_ddrwrap
ctrl_ar_done => ctrl_ar_done ctrl_ar_done => ctrl_ar_done
); );
wb_0 : wb_ddr_ctrl_wb wb_0 : entity work.wb_ddr_ctrl_wb
generic map ( generic map (
dontcare => dontcare dontcare => dontcare
) )
port map ( port map (
clk_i => clk_i, clk_i => clk_i,
rst_i => rst_i, rst_i => rst_i,
ddr2_clk0 => ddr2_clk0, ddr2_clk0 => ddr2_clk0,
ddr2_clk90 => ddr2_clk90, ddr2_clk90 => ddr2_clk90,
ddr2_clk180 => ddr2_clk180, ddr2_clk180 => ddr2_clk180,
ddr2_reset => ddr2_rst0, ddr2_reset => ddr2_rst0,
ctrl_input_data => ctrl_input_data, ctrl_input_data => ctrl_input_data,
ctrl_data_mask => ctrl_data_mask, ctrl_data_mask => ctrl_data_mask,
ctrl_output_data => ctrl_output_data, ctrl_output_data => ctrl_output_data,
ctrl_data_valid => ctrl_data_valid, ctrl_data_valid => ctrl_data_valid,
ctrl_input_address => ctrl_input_address, ctrl_input_address => ctrl_input_address,
ctrl_command_register => ctrl_command_register, ctrl_command_register => ctrl_command_register,
ctrl_burst_done => ctrl_burst_done, ctrl_burst_done => ctrl_burst_done,
ctrl_auto_ref_req => ctrl_auto_ref_req, ctrl_auto_ref_req => ctrl_auto_ref_req,
ctrl_cmd_ack => ctrl_cmd_ack, ctrl_cmd_ack => ctrl_cmd_ack,
ctrl_init_done => ctrl_init_done, ctrl_init_done => ctrl_init_done,
ctrl_ar_done => ctrl_ar_done, ctrl_ar_done => ctrl_ar_done,
wbs_i => wbs_i,
wbs_o => wbs_o,
wbs_cc_i => wbs_cc_i,
wbs_cc_o => wbs_cc_o,
vga_mem_rdrq => vga_mem_rdrq, vga_mem_rdrq => vga_mem_rdrq,
vga_mem_adr => vga_mem_adr, vga_mem_adr => vga_mem_adr,
vga_mem_ack => vga_mem_ack, vga_mem_ack => vga_mem_ack,
vga_mem_dat_i => vga_mem_dat_i vga_mem_dat_i => vga_mem_dat_i,
);
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i
);
end Behavioral; end Behavioral;

109
src/wb_ddr_ctrl_wb.vhd
View File

@@ -57,19 +57,24 @@ entity wb_ddr_ctrl_wb is
ctrl_init_done : in std_logic; ctrl_init_done : in std_logic;
ctrl_ar_done : in std_logic; ctrl_ar_done : in std_logic;
-- Wishbone slave
clk_i : in std_ulogic; clk_i : in std_ulogic;
rst_i : in std_ulogic; rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type; -- Memory ports
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type; -- Port 0: RO, Prio 0 - VGA controller
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- Direct memctrl access for VGA
vga_mem_rdrq : in std_logic; vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0); vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic; vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0) vga_mem_dat_i : out std_logic_vector(63 downto 0);
-- Port 1: RW, Prio 1 - WB bridge
wb_mem_rdrq : in std_logic;
wb_mem_wrrq : in std_logic;
wb_mem_adr : in std_logic_vector(19 downto 0);
wb_mem_dat_o : in std_logic_vector(63 downto 0);
wb_mem_sel : in std_logic_vector(7 downto 0);
wb_mem_ack : out std_logic;
wb_mem_dat_i : out std_logic_vector(63 downto 0)
); );
end wb_ddr_ctrl_wb; end wb_ddr_ctrl_wb;
@@ -101,76 +106,6 @@ component wb_ddr_ctrl_wb_to_ddr IS
prog_empty : out std_logic prog_empty : out std_logic
); );
END component; END component;
component wb_ddr_ctrl_wb_sc is
generic (
dontcare : std_logic := '-'
);
Port (
-- Wishbone slave
clk_i : in std_ulogic;
rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type;
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type;
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- Direct memctrl access for VGA
vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0);
-- To/from ddr clock domain
ddr_din : out std_logic_vector(63 downto 0);
ddr_dout : in std_logic_vector(63 downto 0);
ddr_adr : out std_logic_vector(22 downto 0);
ddr_we : out std_ulogic;
ddr_be : out std_logic_vector(7 downto 0);
fifo_to_ddr_write : out std_ulogic;
fifo_from_ddr_read : out std_ulogic;
fifo_to_ddr_full : in std_ulogic;
fifo_from_ddr_empty : in std_ulogic
);
end component;
component wb_ddr_ctrl_wb_dc is
generic (
dontcare : std_logic
);
Port (
-- Control signals
ddr2_clk0 : in std_ulogic;
ddr2_clk180 : in std_ulogic;
ddr2_clk90 : in std_ulogic;
ddr2_reset : in std_ulogic;
-- to DDR2 controller
ctrl_input_data : out std_logic_vector(31 downto 0);
ctrl_data_mask : out std_logic_vector(3 downto 0);
ctrl_output_data : in std_logic_vector(31 downto 0) := (others => 'Z');
ctrl_data_valid : in std_logic;
ctrl_input_address : out std_logic_vector(((13 + 10 + 2)-1) downto 0);
ctrl_command_register : out std_logic_vector(2 downto 0);
ctrl_burst_done : out std_logic;
ctrl_auto_ref_req : in std_logic;
ctrl_cmd_ack : in std_logic;
ctrl_init_done : in std_logic;
ctrl_ar_done : in std_logic;
-- To/from system clock domain
din : in std_ulogic_vector(63 downto 0);
dout : out std_ulogic_vector(63 downto 0);
adr : in std_ulogic_vector(22 downto 0);
we : in std_ulogic;
be : in std_ulogic_vector(7 downto 0);
fifo_to_sys_write : out std_ulogic;
fifo_from_sys_read : out std_ulogic;
fifo_to_sys_full : in std_ulogic;
fifo_from_sys_empty : in std_ulogic;
fifo_from_sys_almost_empty : in std_logic
);
end component;
-- FIFO control signals -- FIFO control signals
signal s2d_fifo_rd, s2d_fifo_wr, d2s_fifo_rd, d2s_fifo_wr : std_ulogic; signal s2d_fifo_rd, s2d_fifo_wr, d2s_fifo_rd, d2s_fifo_wr : std_ulogic;
@@ -184,23 +119,27 @@ signal d2s_fifo_dout : std_logic_vector(63 downto 0);
begin begin
system_cd_inst : wb_ddr_ctrl_wb_sc system_cd_inst : entity work.wb_ddr_ctrl_wb_sc
generic map ( generic map (
dontcare => dontcare dontcare => dontcare
) )
port map ( port map (
-- Wishbone slave
clk_i => clk_i, clk_i => clk_i,
rst_i => rst_i, rst_i => rst_i,
wbs_i => wbs_i,
wbs_o => wbs_o,
wbs_cc_i => wbs_cc_i,
wbs_cc_o => wbs_cc_o,
-- Memory ports
vga_mem_rdrq => vga_mem_rdrq, vga_mem_rdrq => vga_mem_rdrq,
vga_mem_adr => vga_mem_adr, vga_mem_adr => vga_mem_adr,
vga_mem_ack => vga_mem_ack, vga_mem_ack => vga_mem_ack,
vga_mem_dat_i => vga_mem_dat_i, vga_mem_dat_i => vga_mem_dat_i,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i,
-- To/from ddr clock domain -- To/from ddr clock domain
ddr_din => s2d_fifo_din(63 downto 0), ddr_din => s2d_fifo_din(63 downto 0),
@@ -246,7 +185,7 @@ d2s_fifo : wb_ddr_ctrl_wb_from_ddr
dout => d2s_fifo_dout dout => d2s_fifo_dout
); );
ddr_cd_inst : wb_ddr_ctrl_wb_dc ddr_cd_inst : entity work.wb_ddr_ctrl_wb_dc
generic map ( generic map (
dontcare => dontcare dontcare => dontcare
) )

478
src/wb_ddr_ctrl_wb_sc.vhd
View File

@@ -31,8 +31,6 @@ use IEEE.NUMERIC_STD.ALL;
--library UNISIM; --library UNISIM;
--use UNISIM.VComponents.all; --use UNISIM.VComponents.all;
use work.intercon_package.all;
entity wb_ddr_ctrl_wb_sc is entity wb_ddr_ctrl_wb_sc is
generic ( generic (
burst_length : integer := 8; burst_length : integer := 8;
@@ -40,20 +38,26 @@ entity wb_ddr_ctrl_wb_sc is
dontcare : std_logic := '-' dontcare : std_logic := '-'
); );
port ( port (
-- Wishbone slave
clk_i : in std_ulogic; clk_i : in std_ulogic;
rst_i : in std_ulogic; rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type; -- Memory ports
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type; -- Port 0: RO, Prio 0 - VGA controller
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- Direct memctrl access for VGA
vga_mem_rdrq : in std_logic; vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0); vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic; vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0); vga_mem_dat_i : out std_logic_vector(63 downto 0);
-- Port 1: RW, Prio 1 - WB bridge
wb_mem_rdrq : in std_logic;
wb_mem_wrrq : in std_logic;
wb_mem_adr : in std_logic_vector(19 downto 0);
wb_mem_dat_o : in std_logic_vector(63 downto 0);
wb_mem_sel : in std_logic_vector(7 downto 0);
wb_mem_ack : out std_logic;
wb_mem_dat_i : out std_logic_vector(63 downto 0);
-- To/from ddr clock domain -- To/from ddr clock domain
ddr_din : out std_logic_vector(63 downto 0); ddr_din : out std_logic_vector(63 downto 0);
ddr_dout : in std_logic_vector(63 downto 0); ddr_dout : in std_logic_vector(63 downto 0);
@@ -69,205 +73,245 @@ entity wb_ddr_ctrl_wb_sc is
end wb_ddr_ctrl_wb_sc; end wb_ddr_ctrl_wb_sc;
architecture Behavioral of wb_ddr_ctrl_wb_sc is architecture Behavioral of wb_ddr_ctrl_wb_sc is
component wb_ddr_ctrl_wb_sc_fe -- Memory access controller configuration
generic ( constant num_ports : integer := 2;
line_size : integer; type port_mode_enum is (M_RO, M_WO, M_RW);
lines : integer; type port_modes_arr is array(0 to num_ports-1) of port_mode_enum;
assoc : integer; constant port_modes : port_modes_arr := (M_RO, M_RW);
line_size_ln2 : integer;
lines_ln2 : integer;
assoc_ln2 : integer;
addr_width : integer;
dontcare : std_logic);
port (
clk_i : in std_logic;
rst_i : in std_logic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type;
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type;
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
mem_adr : out std_logic_vector(19 downto 0);
mem_rdrq : out std_logic;
mem_wrrq : out std_logic;
mem_dat_o : out std_logic_vector(63 downto 0);
mem_ack : in std_logic;
mem_dat_i : in std_logic_vector(63 downto 0));
end component;
signal cfe_mem_adr : std_logic_vector(19 downto 0); -- Configuration-dependant types
signal cfe_mem_rdrq : std_logic; type p_slv8_arr is array(num_ports-1 downto 0) of std_logic_vector(7 downto 0);
signal cfe_mem_wrrq : std_logic; type p_slv20_arr is array(num_ports-1 downto 0) of std_logic_vector(19 downto 0);
signal cfe_mem_dat_o : std_logic_vector(63 downto 0); type p_slv64_arr is array(num_ports-1 downto 0) of std_logic_vector(63 downto 0);
signal cfe_mem_ack : std_logic;
signal cfe_mem_dat_i : std_logic_vector(63 downto 0);
signal vga_rdrq_reg : std_logic := '0'; -- Configuration-dependant signals : Memory ports
signal vga_adr_reg : std_logic_vector(19 downto 0) := (others => dontcare); signal p_rdrq, p_wrrq : std_logic_vector(num_ports-1 downto 0);
signal vga_rq_complete : std_logic := '0'; signal p_ack : std_logic_vector(num_ports-1 downto 0) := (others => '0');
signal p_adr : p_slv20_arr;
signal p_dat_o, p_dat_i : p_slv64_arr;
signal p_sel : p_slv8_arr;
signal cfe_rdrq_reg : std_logic := '0'; -- Internal signals
signal cfe_wrrq_reg : std_logic := '0'; signal rdrq_reg, wrrq_reg : std_logic_vector(num_ports-1 downto 0) := (others => '0');
signal cfe_adr_reg : std_logic_vector(19 downto 0) := (others => dontcare); signal adr_reg : p_slv20_arr;
signal cfe_rq_complete : std_logic := '0'; signal rq_complete : std_logic_vector(num_ports-1 downto 0) := (others => '0');
signal dout_data_valid : std_logic := '0'; signal dout_data_valid : std_logic := '0';
type bus_owner_t is (B_IDLE, B_VGA, B_CFE); constant BUS_IDLE : integer := num_ports;
signal bus_owner, bus_owner_reg : bus_owner_t := B_IDLE; signal bus_owner, bus_owner_reg : integer range 0 to num_ports := BUS_IDLE;
signal out_ctr, in_ctr : integer range 0 to burst_length-1 := 0; signal out_ctr, in_ctr : integer range 0 to burst_length-1 := 0;
signal out_complete, in_complete : std_logic := '0'; signal out_complete, in_complete : std_logic := '0';
signal in_read, in_write : std_logic := '0'; signal in_read, in_write : std_logic := '0';
constant write_delay : integer := 2; --constant write_delay : integer := 2;
type ddr_adr_dly_a is array(write_delay-1 downto 0) of std_logic_vector(22 downto 0); --type ddr_adr_dly_a is array(write_delay-1 downto 0) of std_logic_vector(22 downto 0);
signal ddr_adr_int : std_logic_vector(22 downto 0) := (others => dontcare); --signal ddr_adr_int : std_logic_vector(22 downto 0) := (others => dontcare);
signal ddr_adr_dly : ddr_adr_dly_a := (others => (others => dontcare)); --signal ddr_adr_dly : ddr_adr_dly_a := (others => (others => dontcare));
signal ddr_we_int : std_logic := dontcare; --signal ddr_we_int : std_logic := dontcare;
signal ddr_we_dly : std_logic_vector(write_delay-1 downto 0) := (others => dontcare); --signal ddr_we_dly : std_logic_vector(write_delay-1 downto 0) := (others => dontcare);
signal fifo_to_ddr_write_int : std_logic := '0'; --signal fifo_to_ddr_write_int : std_logic := '0';
signal fifo_to_ddr_write_dly : std_logic_vector(write_delay-1 downto 0) := (others => '0'); --signal fifo_to_ddr_write_dly : std_logic_vector(write_delay-1 downto 0) := (others => '0');
signal out_complete_dly : std_logic_vector(write_delay-1 downto 0) := (others => '0'); --signal out_complete_dly : std_logic_vector(write_delay-1 downto 0) := (others => '0');
signal fifo_to_ddr_full_last : std_logic := '1'; signal fifo_to_ddr_full_last : std_logic := '1';
signal wbs_i_dly : sdram_ctrl_wbs_i_type;
begin begin
wb_ddr_ctrl_wb_sc_fe_1: wb_ddr_ctrl_wb_sc_fe -- Attach named memory port signals to internal signals
generic map ( -- Port 0: RO, Prio 0 - VGA controller
line_size => burst_length, p_rdrq(0) <= vga_mem_rdrq;
lines => 64, p_wrrq(0) <= '0';
assoc => 2, p_adr(0) <= vga_mem_adr;
line_size_ln2 => burst_length_ln2, p_dat_o(0) <= (others => dontcare);
lines_ln2 => 6, p_sel(0) <= (others => dontcare);
assoc_ln2 => 1, vga_mem_ack <= p_ack(0);
addr_width => 23, vga_mem_dat_i <= p_dat_i(0);
dontcare => dontcare
)
port map (
clk_i => clk_i,
rst_i => rst_i,
wbs_i => wbs_i_dly,
wbs_o => wbs_o,
wbs_cc_i => wbs_cc_i,
wbs_cc_o => wbs_cc_o,
mem_adr => cfe_mem_adr,
mem_rdrq => cfe_mem_rdrq,
mem_wrrq => cfe_mem_wrrq,
mem_dat_o => cfe_mem_dat_o,
mem_ack => cfe_mem_ack,
mem_dat_i => cfe_mem_dat_i);
dly : process(clk_i) -- Port 1: RW, Prio 1 - WB bridge
begin p_rdrq(1) <= wb_mem_rdrq;
if rising_edge(clk_i) then p_wrrq(1) <= wb_mem_wrrq;
wbs_i_dly <= wbs_i; p_adr(1) <= wb_mem_adr;
end if; p_dat_o(1) <= wb_mem_dat_o;
end process dly; p_sel(1) <= wb_mem_sel;
wb_mem_ack <= p_ack(1);
vga_mem_dat_i <= ddr_dout; wb_mem_dat_i <= p_dat_i(1);
vga_mem_ack <= dout_data_valid when bus_owner_reg = B_VGA else
'0';
cfe_mem_dat_i <= ddr_dout;
cfe_mem_ack <= dout_data_valid when bus_owner_reg = B_CFE and cfe_rdrq_reg = '1' else
not fifo_to_ddr_full when bus_owner_reg = B_CFE and cfe_wrrq_reg = '1' else
'0';
fifo_from_ddr_read <= not fifo_from_ddr_empty;
ddr_be <= (others => '0'); -- Everything from here on is configured by the constant parameters.
ddr_din <= cfe_mem_dat_o; -- No change should be necessary to add a port
ddr_adr_int(22 downto 3) <= vga_adr_reg when bus_owner = B_VGA else
cfe_adr_reg;-- when bus_owner = B_CFE else -- Acknowledge signals
--(others => dontcare); p_ack_gen : for i in 0 to num_ports-1 generate
ddr_adr_int(2 downto 0) <= std_logic_vector(to_unsigned(out_ctr, 3)); ro_gen : if port_modes(i) = M_RO generate
ddr_we_int <= '1' when bus_owner = B_CFE and cfe_wrrq_reg = '1' else p_ack(i) <= dout_data_valid when bus_owner_reg = i else
'0'; '0';
fifo_to_ddr_write_int <= '1' when fifo_to_ddr_full = '0' and bus_owner /= B_IDLE and end generate;
out_complete = '0' and (vga_rdrq_reg = '1' or wo_gen : if port_modes(i) = M_WO generate
cfe_rdrq_reg = '1') else p_ack(i) <= not fifo_to_ddr_full when bus_owner = i else
'1' when fifo_to_ddr_full = '0' and bus_owner = B_CFE and '0';
cfe_wrrq_reg = '1' else end generate;
'0'; rw_gen : if port_modes(i) = M_RW generate
p_ack(i) <= dout_data_valid when bus_owner_reg = i and rdrq_reg(i) = '1' else
not fifo_to_ddr_full when bus_owner = i and wrrq_reg(i) = '1' else
'0';
end generate;
end generate;
ddr_adr <= ddr_adr_int when in_read = '1' else -- DDR -> Port data out
ddr_adr_dly(write_delay-1);-- when in_write = '1' else p_dat_i_gen : for i in 0 to num_ports-1 generate
--(others => dontcare); ro_rw_gen : if port_modes(i) /= M_WO generate
ddr_we <= ddr_we_int when in_read = '1' else p_dat_i(i) <= ddr_dout;
ddr_we_dly(write_delay-1);-- when in_write = '1' else end generate;
--dontcare; wo_gen : if port_modes(i) = M_WO generate
fifo_to_ddr_write <= fifo_to_ddr_write_int when in_read = '1' else p_dat_i(i) <= (others => dontcare);
fifo_to_ddr_write_dly(write_delay-1) and not fifo_to_ddr_full when in_write = '1' else end generate;
'0'; end generate;
write_dly : process(clk_i) -- Data from DDR via FIFO control
begin
if rising_edge(clk_i) then
if in_write = '1' then
if fifo_to_ddr_full = '0' then
if write_delay > 1 then
ddr_adr_dly(write_delay-1 downto 1) <= ddr_adr_dly(write_delay-2 downto 0);
ddr_we_dly(write_delay-1 downto 1) <= ddr_we_dly(write_delay-2 downto 0);
fifo_to_ddr_write_dly(write_delay-1 downto 1) <= fifo_to_ddr_write_dly(write_delay-2 downto 0);
out_complete_dly(write_delay-1 downto 1) <= out_complete_dly(write_delay-2 downto 0);
end if;
ddr_adr_dly(0) <= ddr_adr_int;
ddr_we_dly(0) <= ddr_we_int;
fifo_to_ddr_write_dly(0) <= fifo_to_ddr_write_int;
out_complete_dly(0) <= out_complete;
end if;
else
fifo_to_ddr_write_dly <= (others => '0');
out_complete_dly <= (others => '0');
end if;
end if;
end process write_dly;
ddr_dout_p : process(clk_i) ddr_dout_p : process(clk_i)
begin begin
if rising_edge(clk_i) then if rising_edge(clk_i) then
dout_data_valid <= not fifo_from_ddr_empty; dout_data_valid <= not fifo_from_ddr_empty;
end if; end if;
end process ddr_dout_p; end process ddr_dout_p;
fifo_from_ddr_read <= not fifo_from_ddr_empty; -- Read whenever data is available
vga_rq_regs : process(clk_i)
begin
if rising_edge(clk_i) then
if vga_mem_rdrq = '1' then
vga_rdrq_reg <= '1';
vga_adr_reg <= vga_mem_adr;
elsif vga_rq_complete = '1' then
vga_rdrq_reg <= '0';
vga_adr_reg <= (others => dontcare);
end if;
end if;
end process vga_rq_regs;
cfe_rq_regs : process(clk_i)
begin
if rising_edge(clk_i) then
if cfe_mem_rdrq = '1' then
cfe_rdrq_reg <= '1';
cfe_adr_reg <= cfe_mem_adr;
elsif cfe_mem_wrrq = '1' then
cfe_wrrq_reg <= '1';
cfe_adr_reg <= cfe_mem_adr;
elsif cfe_rq_complete = '1' then
cfe_rdrq_reg <= '0';
cfe_wrrq_reg <= '0';
cfe_adr_reg <= (others => dontcare);
end if;
end if;
end process cfe_rq_regs;
bus_owner <= B_VGA when bus_owner_reg = B_IDLE and vga_rdrq_reg = '1' else
B_CFE when bus_owner_reg = B_IDLE and (cfe_rdrq_reg = '1' or cfe_wrrq_reg = '1') else
B_IDLE when bus_owner_reg = B_VGA and vga_rq_complete = '1' else
B_IDLE when bus_owner_reg = B_CFE and cfe_rq_complete = '1' else
bus_owner_reg;
-- Data to DDR via FIFO control
-- Signals from active memory port to DDR
ddr_din_gen : process(p_dat_o, p_sel, bus_owner, fifo_to_ddr_full, out_complete, adr_reg, wrrq_reg)
begin
ddr_din <= (others => dontcare);
ddr_be <= (others => '1'); -- ddr_be is low-active
ddr_adr(22 downto 3) <= (others => dontcare);
ddr_we <= dontcare;
fifo_to_ddr_write <= '0';
for i in 0 to num_ports-1 loop
if port_modes(i) /= M_RO and bus_owner = i then -- Signals only relevant
-- when writing
ddr_din <= p_dat_o(i);
ddr_be <= not p_sel(i);
end if;
if port_modes(i) = M_WO and bus_owner = i then -- Write-only ports
fifo_to_ddr_write <= not fifo_to_ddr_full;
elsif port_modes(i) = M_RW and bus_owner = i then -- Read/Write ports
if wrrq_reg(i) = '1' then -- Currently writing
fifo_to_ddr_write <= not fifo_to_ddr_full;
else
fifo_to_ddr_write <= not fifo_to_ddr_full and not out_complete;
end if;
elsif port_modes(i) = M_RO and bus_owner = i then -- Read-only ports
fifo_to_ddr_write <= not fifo_to_ddr_full and not out_complete;
end if;
if bus_owner = i then -- Signal always relevant
ddr_adr(22 downto 3) <= adr_reg(i);
ddr_we <= wrrq_reg(i);
end if;
end loop;
end process ddr_din_gen;
ddr_adr(2 downto 0) <= std_logic_vector(to_unsigned(out_ctr, 3));
--ddr_adr <= ddr_adr_int when in_read = '1' else
-- ddr_adr_dly(write_delay-1);-- when in_write = '1' else
-- --(others => dontcare);
--ddr_we <= ddr_we_int when in_read = '1' else
-- ddr_we_dly(write_delay-1);-- when in_write = '1' else
-- --dontcare;
--fifo_to_ddr_write <= fifo_to_ddr_write_int when in_read = '1' else
-- fifo_to_ddr_write_dly(write_delay-1) and not fifo_to_ddr_full when in_write = '1' else
-- '0';
--write_dly : process(clk_i)
--begin
-- if rising_edge(clk_i) then
-- if in_write = '1' then
-- if fifo_to_ddr_full = '0' then
-- if write_delay > 1 then
-- ddr_adr_dly(write_delay-1 downto 1) <= ddr_adr_dly(write_delay-2 downto 0);
-- ddr_we_dly(write_delay-1 downto 1) <= ddr_we_dly(write_delay-2 downto 0);
-- fifo_to_ddr_write_dly(write_delay-1 downto 1) <= fifo_to_ddr_write_dly(write_delay-2 downto 0);
-- out_complete_dly(write_delay-1 downto 1) <= out_complete_dly(write_delay-2 downto 0);
-- end if;
-- ddr_adr_dly(0) <= ddr_adr_int;
-- ddr_we_dly(0) <= ddr_we_int;
-- fifo_to_ddr_write_dly(0) <= fifo_to_ddr_write_int;
-- out_complete_dly(0) <= out_complete;
-- end if;
-- else
-- fifo_to_ddr_write_dly <= (others => '0');
-- out_complete_dly <= (others => '0');
-- end if;
-- end if;
--end process write_dly;
-- Request registers
rq_regs_gen : for i in 0 to num_ports-1 generate
ro_gen : if port_modes(i) = M_RO generate
rq_regs : process(clk_i)
begin
if rising_edge(clk_i) then
if p_rdrq(i) = '1' then
rdrq_reg(i) <= '1';
adr_reg(i) <= p_adr(i);
elsif rq_complete(i) = '1' then
rdrq_reg(i) <= '0';
end if;
end if;
end process rq_regs;
wrrq_reg(i) <= '0';
end generate;
wo_gen : if port_modes(i) = M_WO generate
rq_regs : process(clk_i)
begin
if rising_edge(clk_i) then
if p_wrrq(i) = '1' then
wrrq_reg(i) <= '1';
adr_reg(i) <= p_adr(i);
elsif rq_complete(i) = '1' then
wrrq_reg(i) <= '0';
end if;
end if;
end process rq_regs;
rdrq_reg(i) <= '0';
end generate;
rw_gen : if port_modes(i) = M_RW generate
rq_regs : process(clk_i)
begin
if rising_edge(clk_i) then
if p_rdrq(i) = '1' then
rdrq_reg(i) <= '1';
adr_reg(i) <= p_adr(i);
elsif p_wrrq(i) = '1' then
wrrq_reg(i) <= '1';
adr_reg(i) <= p_adr(i);
elsif rq_complete(i) = '1' then
rdrq_reg(i) <= '0';
wrrq_reg(i) <= '0';
end if;
end if;
end process rq_regs;
end generate;
end generate;
-- Track owner of memory access rights
bus_owner_gen : process(bus_owner_reg, rdrq_reg, wrrq_reg, rq_complete)
begin
bus_owner <= bus_owner_reg;
for i in 0 to num_ports-1 loop
if bus_owner_reg = BUS_IDLE and (rdrq_reg(i) = '1' or wrrq_reg(i) = '1') then
bus_owner <= i;
elsif bus_owner_reg = i and rq_complete(i) = '1' then
bus_owner <= BUS_IDLE;
end if;
end loop;
end process bus_owner_gen;
bus_owner_p : process(clk_i) bus_owner_p : process(clk_i)
begin begin
if rising_edge(clk_i) then if rising_edge(clk_i) then
@@ -281,31 +325,54 @@ begin
fifo_to_ddr_full_last <= fifo_to_ddr_full; fifo_to_ddr_full_last <= fifo_to_ddr_full;
end if; end if;
end process fifo_to_ddr_full_ff; end process fifo_to_ddr_full_ff;
-- Track if we are in a read or write state currently
in_stat_gen : process(bus_owner, rdrq_reg, wrrq_reg)
begin
in_read <= '0';
in_write <= '0';
for i in 0 to num_ports-1 loop
if bus_owner = i then
if port_modes(i) = M_RO then
in_read <= '1';
elsif port_modes(i) = M_WO then
in_write <= '1';
else -- if port_modes(i) = M_RW
in_read <= rdrq_reg(i);
in_write <= wrrq_reg(i);
end if;
end if;
end loop;
end process in_stat_gen;
in_read <= '1' when bus_owner = B_VGA else -- Track request termination
'1' when bus_owner = B_CFE and cfe_rdrq_reg = '1' else complete_gen : for i in 0 to num_ports-1 generate
'0'; ro_gen : if port_modes(i) = M_RO generate
in_write <= '1' when bus_owner = B_CFE and cfe_wrrq_reg = '1' else rq_complete(i) <= in_complete and out_complete when bus_owner_reg = i else
'0'; '0';
end generate;
vga_rq_complete <= '1' when in_complete = '1' and out_complete = '1' and bus_owner_reg = B_VGA else wo_gen : if port_modes(i) = M_WO generate
'0'; rq_complete(i) <= out_complete and not fifo_to_ddr_full_last when bus_owner_reg = i else
cfe_rq_complete <= '1' when (in_complete = '1' and out_complete = '1' and '0';
cfe_rdrq_reg = '1' and bus_owner_reg = B_CFE) else end generate;
'1' when (out_complete_dly(write_delay-1) = '1' and fifo_to_ddr_full_last = '0' and rw_gen : if port_modes(i) = M_RW generate
cfe_wrrq_reg = '1' and bus_owner_reg = B_CFE) else rq_complete(i) <= in_complete and out_complete when bus_owner_reg = i and rdrq_reg(i) = '1' else
'0'; out_complete and not fifo_to_ddr_full_last when bus_owner_reg = i and wrrq_reg(i) = '1' else
'0';
end generate;
end generate;
-- Count completed cycles of transfer
out_ctr_p : process(clk_i) out_ctr_p : process(clk_i)
begin begin
if rising_edge(clk_i) then if rising_edge(clk_i) then
if (bus_owner /= B_IDLE and out_complete = '0' and fifo_to_ddr_full = '0') then if (bus_owner /= BUS_IDLE and out_complete = '0' and fifo_to_ddr_full = '0') then
if out_ctr = burst_length-1 then if out_ctr = burst_length-1 then
out_complete <= '1'; out_complete <= '1';
else else
out_ctr <= out_ctr + 1; out_ctr <= out_ctr + 1;
end if; end if;
elsif vga_rq_complete = '1' or cfe_rq_complete = '1' then elsif unsigned(rq_complete) /= 0 then
out_ctr <= 0; out_ctr <= 0;
out_complete <= '0'; out_complete <= '0';
end if; end if;
@@ -315,17 +382,28 @@ begin
in_ctr_p : process(clk_i) in_ctr_p : process(clk_i)
begin begin
if rising_edge(clk_i) then if rising_edge(clk_i) then
if bus_owner /= B_IDLE and in_complete = '0' and fifo_from_ddr_empty = '0' then if bus_owner /= BUS_IDLE and in_complete = '0' and fifo_from_ddr_empty = '0' then
if in_ctr = burst_length-1 then if in_ctr = burst_length-1 then
in_complete <= '1'; in_complete <= '1';
else else
in_ctr <= in_ctr + 1; in_ctr <= in_ctr + 1;
end if; end if;
elsif vga_rq_complete = '1' or cfe_rq_complete = '1' then elsif unsigned(rq_complete) /= 0 then
in_ctr <= 0; in_ctr <= 0;
in_complete <= '0'; in_complete <= '0';
end if; end if;
end if; end if;
end process in_ctr_p; end process in_ctr_p;
--vga_rq_complete <= '1' when in_complete = '1' and out_complete = '1' and bus_owner_reg = B_VGA else
-- '0';
--cfe_rq_complete <= '1' when (in_complete = '1' and out_complete = '1' and
-- cfe_rdrq_reg = '1' and bus_owner_reg = B_CFE) else
-- '1' when (out_complete_dly(write_delay-1) = '1' and fifo_to_ddr_full_last = '0' and
-- cfe_wrrq_reg = '1' and bus_owner_reg = B_CFE) else
-- '0';
end Behavioral; end Behavioral;

457
src/wb_ddr_ctrl_wb_sc_fe.vhd
View File

@@ -1,457 +0,0 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 11/06/2012 03:04:35 PM
-- Design Name:
-- Module Name: wb_ddr_ctrl_wb_sc_fe - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description: Memory controller - system clock domain - Cache front-end -
-- Data path
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
library UNISIM;
use UNISIM.VComponents.all;
use work.intercon_package.all;
-- control slave port register map
-- 0: 0 - invalidate
-- write '1' to invalidate entire cache
-- 1 - flush
-- write '1' to flush all dirty lines
-- 31..2 - reserved
-- 1: reserved
--
-- When both flush and invalidate are set at the same time, the entire cache is
-- invalidated, with all dirty lines being written back to memory before
-- invalidation.
entity wb_ddr_ctrl_wb_sc_fe is
generic (
line_size : integer := 8;
lines : integer := 64;
assoc : integer := 2;
line_size_ln2 : integer := 3;
lines_ln2 : integer := 6;
assoc_ln2 : integer := 1;
addr_width : integer := 23;
dontcare : std_logic := '-'
);
port (
-- Wishbone slave
clk_i : in std_logic;
rst_i : in std_logic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type;
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type;
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
-- To backend
mem_adr : out std_logic_vector(addr_width-line_size_ln2-1 downto 0);
mem_rdrq : out std_logic;
mem_wrrq : out std_logic;
mem_dat_o : out std_logic_vector(63 downto 0);
mem_ack : in std_logic;
mem_dat_i : in std_logic_vector(63 downto 0)
);
end wb_ddr_ctrl_wb_sc_fe;
architecture Behavioral of wb_ddr_ctrl_wb_sc_fe is
attribute ram_style : string;
attribute priority_extract : string;
component wb_ddr_ctrl_wb_sc_fe_fsm
generic (
line_size : integer;
lines : integer;
assoc : integer;
line_size_ln2 : integer;
lines_ln2 : integer;
assoc_ln2 : integer;
addr_width : integer);
port (
clk_i : in std_logic;
rst_i : in std_logic;
cyc_i : in std_logic;
stb_i : in std_logic;
we_i : in std_logic;
adr_tag_eq : in std_logic_vector(assoc-1 downto 0);
eject_dirty : in std_logic;
mem_offset : in unsigned(line_size_ln2-1 downto 0);
mfi_index : in unsigned(lines_ln2-assoc_ln2-1 downto 0);
user_cc_req_flush : in std_logic;
user_cc_req_inval : in std_logic;
user_cc_req_none : in std_logic;
adr_tag_eq_num_dirty : in std_logic;
mem_ack : in std_logic;
mfi_num_dirty : in std_logic;
cc_valid : in std_logic_vector(assoc-1 downto 0);
cc_dirty : in std_logic_vector(assoc-1 downto 0);
ack_o : out std_logic;
update_lru : out std_logic := '0';
set_clean : out std_logic := '0';
set_dirty : out std_logic := '0';
set_valid : out std_logic := '0';
set_invalid : out std_logic := '0';
cache_write : out std_logic := '0';
cache_from_mem : out std_logic := '0';
cache_to_mem : out std_logic := '0';
mem_rdrq : out std_logic := '0';
mem_wrrq : out std_logic := '0';
mfi : out std_logic := '0';
user_cc_ack_o : out std_logic := '0');
end component;
component wb_ddr_ctrl_wb_sc_fe_ram
generic (
lines : integer;
line_size : integer;
lines_ln2 : integer;
line_size_ln2 : integer
);
port (
clk_i : in std_logic;
rd_addr : in unsigned(lines_ln2+line_size_ln2-1 downto 0);
rd_data : out std_logic_vector(63 downto 0);
wr_addr : in unsigned(lines_ln2+line_size_ln2-1 downto 0);
wr_data : in std_logic_vector(63 downto 0);
bwe : in std_logic_vector(7 downto 0)
);
end component;
-- Derived parameters
constant tag_width : integer := addr_width-line_size_ln2-(lines_ln2-assoc_ln2);
constant index_width : integer := lines_ln2-assoc_ln2;
constant offset_width : integer := line_size_ln2;
-- Cache control signals / memory
subtype tag_t is std_logic_vector(assoc*tag_width-1 downto 0);
subtype lru_t is unsigned(assoc*assoc_ln2-1 downto 0);
type cc_tag_a is array(lines/assoc-1 downto 0) of tag_t;
type cc_lru_a is array(lines/assoc-1 downto 0) of lru_t;
type cc_valid_a is array(lines/assoc-1 downto 0) of std_logic_vector(assoc-1 downto 0);
type cc_dirty_a is array(lines/assoc-1 downto 0) of std_logic_vector(assoc-1 downto 0);
signal cc_tag : cc_tag_a := (others => (others => dontcare));
signal cc_lru : cc_lru_a := (others => (others => dontcare));
signal cc_valid : cc_valid_a := (others => (others => '0'));
signal cc_dirty : cc_dirty_a := (others => (others => dontcare));
attribute ram_style of cc_tag : signal is "block";
attribute ram_style of cc_lru : signal is "distributed";
attribute ram_style of cc_valid : signal is "distributed";
attribute ram_style of cc_dirty : signal is "distributed";
signal cc_we : std_logic := '0';
signal cc_wr_addr, cc_rd_addr : unsigned(lines_ln2-assoc_ln2-1 downto 0) := (others => dontcare);
signal cc_tag_wr_data, cc_tag_rd_data : tag_t := (others => dontcare);
signal cc_lru_wr_data, cc_lru_rd_data : lru_t := (others => dontcare);
signal cc_valid_wr_data, cc_valid_rd_data : std_logic_vector(assoc-1 downto 0) := (others => '0');
signal cc_dirty_wr_data, cc_dirty_rd_data : std_logic_vector(assoc-1 downto 0) := (others => dontcare);
-- Convenience variable for cc_tag_rd_data
type tag_a is array(assoc-1 downto 0) of std_logic_vector(tag_width-1 downto 0);
signal tags : tag_a := (others => (others => dontcare));
-- Cache data signals / memory
-- signal cache_we : std_logic := '0';
signal cache_wr_addr, cache_rd_addr : unsigned(lines_ln2+line_size_ln2-1 downto 0) := (others => '0');
signal cache_wr_data, cache_rd_data : std_logic_vector(63 downto 0) := (others => dontcare);
signal cache_bwe : std_logic_vector(7 downto 0) := (others => dontcare);
-- Convenience variables for adr_i
signal adr_index : unsigned(index_width-1 downto 0);
signal adr_offset : unsigned(offset_width-1 downto 0);
signal adr_tag : std_logic_vector(tag_width-1 downto 0);
-- Tag comparator output
signal adr_tag_eq : std_logic_vector(assoc-1 downto 0);
-- LRU comparator output
signal lru_eq0 : std_logic_vector(assoc-1 downto 0);
-- Priority encoders
signal adr_tag_eq_num, eject_num : unsigned(assoc_ln2-1 downto 0);
attribute priority_extract of adr_tag_eq_num : signal is "yes";
attribute priority_extract of eject_num : signal is "yes";
-- control signals
signal update_lru, set_dirty, set_valid, cache_write, cache_from_mem, eject_dirty : std_logic;
signal set_invalid, set_clean, cache_to_mem, adr_tag_eq_num_dirty : std_logic;
signal mem_offset, mem_offset_dly : unsigned(offset_width-1 downto 0);
signal mem_rdrq_int, mem_wrrq_int : std_logic;
-- Manual flush/invalidate control signals
signal mfi : std_logic;
signal mfi_index : unsigned(lines_ln2-assoc_ln2-1 downto 0);
signal mfi_num : unsigned(assoc_ln2-1 downto 0);
signal mfi_index_ctr_en, mfi_num_ctr_en : std_logic;
signal mfi_num_dirty : std_logic;
signal user_cc_req_flush, user_cc_req_inval, user_cc_req_none : std_logic;
begin
cache_rd_addr <= adr_index & adr_tag_eq_num & adr_offset when cache_to_mem = '0' else
adr_index & eject_num & mem_offset when mem_ack = '1' and mfi = '0'else
adr_index & eject_num & mem_offset_dly when mfi = '0' else
mfi_index & eject_num & mem_offset when mem_ack = '1' and mfi = '1'else
mfi_index & eject_num & mem_offset_dly; -- when mfi = '1';
cache_wr_addr <= adr_index & adr_tag_eq_num & adr_offset when cache_from_mem = '0' else
adr_index & eject_num & mem_offset;
cache_wr_data <= wbs_i.dat_i & wbs_i.dat_i when cache_write = '1' else
mem_dat_i;-- when cache_from_mem = '1' else
--(others => dontcare);
cache_bwe <= "0000" & wbs_i.sel_i when cache_write = '1' and wbs_i.adr_i(2) = '0' else
wbs_i.sel_i & "0000" when cache_write = '1' and wbs_i.adr_i(2) = '1' else
"11111111" when cache_from_mem = '1' and mem_ack = '1' else
"00000000";
wb_ddr_ctrl_wb_sc_fe_ram_inst: wb_ddr_ctrl_wb_sc_fe_ram
generic map (
lines => lines,
line_size => line_size,
lines_ln2 => lines_ln2,
line_size_ln2 => line_size_ln2)
port map (
clk_i => clk_i,
rd_addr => cache_rd_addr,
rd_data => cache_rd_data,
wr_addr => cache_wr_addr,
wr_data => cache_wr_data,
bwe => cache_bwe);
wbs_o.dat_o <= cache_rd_data(63 downto 32) when wbs_i.adr_i(2) = '1' else
cache_rd_data(31 downto 0);
mem_dat_o <= cache_rd_data;
mem_adr <= adr_tag & std_logic_vector(adr_index) when cache_from_mem = '1' else
tags(to_integer(eject_num)) & std_logic_vector(adr_index) when cache_to_mem = '1' and mfi = '0' else
tags(to_integer(eject_num)) & std_logic_vector(mfi_index); -- when cache_to_mem = '1' and mfi = '1'
cc_wr_data_gen : for i in 0 to assoc-1 generate
cc_tag_wr_data((i+1)*tag_width-1 downto i*tag_width) <=
adr_tag when eject_num = i and set_valid = '1' else
cc_tag_rd_data((i+1)*tag_width-1 downto i*tag_width);
cc_lru_wr_data((i+1)*assoc_ln2-1 downto assoc_ln2*i) <=
to_unsigned(assoc-1,assoc_ln2) when adr_tag_eq(i) = '1' and update_lru = '1' else
cc_lru_rd_data((i+1)*assoc_ln2-1 downto assoc_ln2*i) when cc_lru_rd_data((i+1)*assoc_ln2-1 downto assoc_ln2*i) = 0 else
cc_lru_rd_data((i+1)*assoc_ln2-1 downto assoc_ln2*i)-1 when update_lru = '1' else
cc_lru_rd_data((i+1)*assoc_ln2-1 downto assoc_ln2*i);
cc_valid_wr_data(i) <=
'1' when eject_num = i and set_valid = '1' else
'0' when (adr_tag_eq(i) = '1' or mfi = '1') and set_invalid = '1' else
cc_valid_rd_data(i);
cc_dirty_wr_data(i) <=
'1' when adr_tag_eq(i) = '1' and set_dirty = '1' else
'0' when eject_num = i and set_valid = '1' else
'0' when mfi_num = i and set_clean = '1' else
cc_dirty_rd_data(i);
end generate;
cc_wr_addr <= mfi_index when mfi = '1' else
adr_index;-- when update_lru = '1' or set_dirty = '1' or set_valid = '1' or set_invalid = '1' else
--(others => dontcare);
cc_we <= update_lru or set_dirty or set_valid or set_invalid or set_clean;
-- Memory for cache control
cc_mem : process(clk_i)
variable cc_wr_addr_int : integer range 0 to lines/assoc-1;
variable cc_rd_addr_int : integer range 0 to lines/assoc-1;
begin
if falling_edge(clk_i) then
cc_wr_addr_int := to_integer(cc_wr_addr);
cc_rd_addr_int := to_integer(cc_rd_addr);
if cc_we = '1' then
cc_tag(cc_wr_addr_int) <= cc_tag_wr_data;
cc_lru(cc_wr_addr_int) <= cc_lru_wr_data;
cc_valid(cc_wr_addr_int) <= cc_valid_wr_data;
cc_dirty(cc_wr_addr_int) <= cc_dirty_wr_data;
end if;
cc_tag_rd_data <= cc_tag(cc_rd_addr_int);
cc_lru_rd_data <= cc_lru(cc_rd_addr_int);
cc_valid_rd_data <= cc_valid(cc_rd_addr_int);
cc_dirty_rd_data <= cc_dirty(cc_rd_addr_int);
end if;
end process cc_mem;
assert addr_width = (wbs_i.adr_i'high - wbs_i.adr_i'low) report "Invalid address width, check parameters" severity error;
adr_index <= unsigned(wbs_i.adr_i(offset_width+index_width+2 downto offset_width+3));
adr_offset <= --unsigned(wbs_cc_i.dat_i(offset_width+2 downto 3)) when user_cc = '1' else
unsigned(wbs_i.adr_i(offset_width+2 downto 3));
adr_tag <= --wbs_cc_i.dat_i(addr_width+2 downto offset_width+index_width+3) when user_cc = '1' else
wbs_i.adr_i(addr_width+2 downto offset_width+index_width+3);
tags_gen : for i in 0 to assoc-1 generate
tags(i) <= cc_tag_rd_data((i+1)*tag_width-1 downto i*tag_width);
end generate;
cc_rd_addr <= mfi_index when mfi = '1' else
adr_index;
tag_compare : for i in 0 to assoc-1 generate
adr_tag_eq(i) <= cc_valid_rd_data(i) when tags(i) = adr_tag else
'0';
end generate;
lru_compare : for i in 0 to assoc-1 generate
lru_eq0(i) <= '1' when cc_lru_rd_data((i+1)*assoc_ln2-1 downto assoc_ln2*i) = 0 else
'1' when cc_valid_rd_data(i) = '0' else
'0';
end generate;
-- The comb. process for..loop version does not synthesize properly, so do
-- this manually
assert assoc = 2 or assoc = 4 report "Unsupported associativity" severity error;
pe_assoc_2 : if assoc = 2 generate
adr_tag_eq_num <= to_unsigned(0,1) when adr_tag_eq(0) = '1' else
to_unsigned(1,1) when adr_tag_eq(1) = '1' else
(others => dontcare);
eject_num <= mfi_num when mfi = '1' else
to_unsigned(0,1) when lru_eq0(0) = '1' else
to_unsigned(1,1) when lru_eq0(1) = '1' else
to_unsigned(0,1);
end generate;
pe_assoc_4 : if assoc = 4 generate
adr_tag_eq_num <= to_unsigned(0,2) when adr_tag_eq(0) = '1' else
to_unsigned(1,2) when adr_tag_eq(1) = '1' else
to_unsigned(2,2) when adr_tag_eq(2) = '1' else
to_unsigned(3,2) when adr_tag_eq(3) = '1' else
(others => dontcare);
eject_num <= mfi_num when mfi = '1' else
to_unsigned(0,2) when lru_eq0(0) = '1' else
to_unsigned(1,2) when lru_eq0(1) = '1' else
to_unsigned(2,2) when lru_eq0(2) = '1' else
to_unsigned(3,2) when lru_eq0(3) = '1' else
to_unsigned(0,1);
end generate;
adr_tag_eq_num_dirty <= cc_dirty_rd_data(to_integer(adr_tag_eq_num)) and cc_valid_rd_data(to_integer(adr_tag_eq_num));
mfi_num_dirty <= cc_dirty_rd_data(to_integer(mfi_num)) and cc_valid_rd_data(to_integer(mfi_num));
eject_dirty <= cc_dirty_rd_data(to_integer(eject_num)) and cc_valid_rd_data(to_integer(eject_num));
-- Offset counter
mem_offset_ctr : process(clk_i)
begin
if rising_edge(clk_i) then
if mem_rdrq_int = '1' or mem_wrrq_int = '1' then
mem_offset <= to_unsigned(0,line_size_ln2);
mem_offset_dly <= to_unsigned(0, line_size_ln2);
elsif mem_ack = '1' then
mem_offset <= mem_offset + 1;
mem_offset_dly <= mem_offset;
end if;
end if;
end process mem_offset_ctr;
mfi_index_ctr_en <= '1' when ((user_cc_req_flush = '0' or to_integer(unsigned(cc_valid_rd_data and cc_dirty_rd_data)) = 0) and
(user_cc_req_inval = '0' or to_integer(unsigned(cc_valid_rd_data)) = 0)) else
'0';
mfi_index_ctr : process(clk_i)
begin
if rising_edge(clk_i) then
if mfi = '0' then
mfi_index <= to_unsigned(0, lines_ln2-assoc_ln2);
elsif mfi_index_ctr_en = '1' then
mfi_index <= mfi_index + 1;
end if;
end if;
end process mfi_index_ctr;
mfi_num_ctr_en <= '1' when user_cc_req_flush = '1' and mfi_num_dirty = '0' else
'0';
mfi_num_ctr : process(clk_i)
begin
if rising_edge(clk_i) then
if mfi = '0' or mfi_index_ctr_en = '1' then
mfi_num <= to_unsigned(0, assoc_ln2);
elsif mfi_num_ctr_en = '1' then
mfi_num <= mfi_num + 1;
end if;
end if;
end process mfi_num_ctr;
wb_ddr_ctrl_wb_sc_fe_fsm_inst: wb_ddr_ctrl_wb_sc_fe_fsm
generic map (
line_size => line_size,
lines => lines,
assoc => assoc,
line_size_ln2 => line_size_ln2,
lines_ln2 => lines_ln2,
assoc_ln2 => assoc_ln2,
addr_width => addr_width)
port map (
clk_i => clk_i,
rst_i => rst_i,
cyc_i => wbs_i.cyc_i,
stb_i => wbs_i.stb_i,
we_i => wbs_i.we_i,
adr_tag_eq => adr_tag_eq,
eject_dirty => eject_dirty,
mem_offset => mem_offset_dly,
mfi_index => mfi_index,
user_cc_req_flush => user_cc_req_flush,
user_cc_req_inval => user_cc_req_inval,
user_cc_req_none => user_cc_req_none,
adr_tag_eq_num_dirty => adr_tag_eq_num_dirty,
mem_ack => mem_ack,
mfi_num_dirty => mfi_num_dirty,
cc_valid => cc_valid_rd_data,
cc_dirty => cc_dirty_rd_data,
ack_o => wbs_o.ack_o,
update_lru => update_lru,
set_clean => set_clean,
set_dirty => set_dirty,
set_valid => set_valid,
set_invalid => set_invalid,
cache_write => cache_write,
cache_from_mem => cache_from_mem,
cache_to_mem => cache_to_mem,
mem_rdrq => mem_rdrq_int,
mem_wrrq => mem_wrrq_int,
mfi => mfi,
user_cc_ack_o => wbs_cc_o.ack_o);
mem_rdrq <= mem_rdrq_int;
mem_wrrq <= mem_wrrq_int;
user_cc_req_flush <=
wbs_cc_i.dat_i(1) when (wbs_cc_i.cyc_i = '1' and wbs_cc_i.stb_i = '1' and
wbs_cc_i.we_i = '1') else
'0';
user_cc_req_inval <=
wbs_cc_i.dat_i(0) when (wbs_cc_i.cyc_i = '1' and wbs_cc_i.stb_i = '1' and
wbs_cc_i.we_i = '1') else
'0';
user_cc_req_none <=
'1' when (wbs_cc_i.cyc_i = '1' and wbs_cc_i.stb_i = '1' and
(wbs_cc_i.we_i = '0' or wbs_cc_i.dat_i(1 downto 0) = "00")) else
'0';
wbs_cc_o.dat_o <= (others => '0');
end Behavioral;

374
src/wb_ddr_ctrl_wb_sc_fe_fsm.vhd
View File

@@ -1,374 +0,0 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 11/06/2012 03:04:35 PM
-- Design Name:
-- Module Name: wb_ddr_ctrl_wb_sc_fe_fsm - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description: Memory controller - system clock domain - Cache front-end -
-- Control path
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
library UNISIM;
use UNISIM.VComponents.all;
use work.intercon_package.all;
entity wb_ddr_ctrl_wb_sc_fe_fsm is
generic (
line_size : integer := 16;
lines : integer := 64;
assoc : integer := 2;
line_size_ln2 : integer := 4;
lines_ln2 : integer := 6;
assoc_ln2 : integer := 1;
addr_width : integer := 24
);
port (
clk_i : in std_logic;
rst_i : in std_logic;
cyc_i : in std_logic;
stb_i : in std_logic;
we_i : in std_logic;
adr_tag_eq : in std_logic_vector(assoc-1 downto 0);
eject_dirty : in std_logic;
mem_offset : in unsigned(line_size_ln2-1 downto 0);
mfi_index : in unsigned(lines_ln2-assoc_ln2-1 downto 0);
adr_tag_eq_num_dirty : in std_logic;
user_cc_req_flush : in std_logic;
user_cc_req_inval : in std_logic;
user_cc_req_none : in std_logic;
mem_ack : in std_logic;
mfi_num_dirty : in std_logic;
cc_valid : in std_logic_vector(assoc-1 downto 0);
cc_dirty : in std_logic_vector(assoc-1 downto 0);
ack_o : out std_logic;
update_lru : out std_logic := '0';
set_dirty : out std_logic := '0';
set_clean : out std_logic := '0';
set_valid : out std_logic := '0';
set_invalid : out std_logic := '0';
cache_write : out std_logic := '0';
cache_from_mem : out std_logic := '0';
cache_to_mem : out std_logic := '0';
mem_rdrq : out std_logic := '0';
mem_wrrq : out std_logic := '0';
mfi : out std_logic := '0';
user_cc_ack_o : out std_logic := '0'
);
end wb_ddr_ctrl_wb_sc_fe_fsm;
architecture Behavioral of wb_ddr_ctrl_wb_sc_fe_fsm is
type states is (S_IDLE, S_WRITEBACK1, S_WRITEBACK2, S_FETCH1, S_FETCH2, S_WAIT, S_WAIT_FETCH,
S_MFI, S_MFI_WRITEBACK1, S_MFI_WRITEBACK2, S_MFI_WAIT);
signal state : states := S_IDLE;
begin
cache_ctrl : process(clk_i)
begin
if rising_edge(clk_i) then
ack_o <= '0';
update_lru <= '0';
set_dirty <= '0';
set_clean <= '0';
set_valid <= '0';
set_invalid <= '0';
cache_write <= '0';
cache_from_mem <= '0';
cache_to_mem <= '0';
mem_rdrq <= '0';
mem_wrrq <= '0';
mfi <= '0';
user_cc_ack_o <= '0';
case state is
when S_IDLE =>
if user_cc_req_flush = '1' or user_cc_req_inval = '1' then
mfi <= '1';
state <= S_MFI;
elsif user_cc_req_none = '1' then
user_cc_ack_o <= '1';
state <= S_WAIT;
elsif cyc_i = '1' and stb_i = '1' then
if we_i = '1' then
if to_integer(unsigned(adr_tag_eq)) = 0 then
-- miss
if eject_dirty = '1' then
cache_to_mem <= '1';
mem_wrrq <= '1';
state <= S_WRITEBACK1;
else
cache_from_mem <= '1';
mem_rdrq <= '1';
state <= S_FETCH1;
end if;
else
-- hit
ack_o <= '1';
update_lru <= '1';
set_dirty <= '1';
cache_write <= '1';
state <= S_WAIT;
end if;
else
if to_integer(unsigned(adr_tag_eq)) = 0 then
-- miss
if eject_dirty = '1' then
cache_to_mem <= '1';
mem_wrrq <= '1';
state <= S_WRITEBACK1;
else
cache_from_mem <= '1';
mem_rdrq <= '1';
state <= S_FETCH1;
end if;
else
-- hit
ack_o <= '1';
update_lru <= '1';
state <= S_WAIT;
end if;
end if;
end if;
when S_WAIT =>
state <= S_IDLE;
when S_FETCH1 =>
cache_from_mem <= '1';
state <= S_FETCH2;
when S_FETCH2 =>
cache_from_mem <= '1';
if mem_offset = line_size-1 then
set_valid <= '1';
state <= S_WAIT;
end if;
when S_WRITEBACK1 =>
cache_to_mem <= '1';
state <= S_WRITEBACK2;
when S_WRITEBACK2 =>
cache_to_mem <= '1';
if mem_offset = line_size-1 and mem_ack = '1' then
cache_to_mem <= '0';
state <= S_WAIT_FETCH;
end if;
when S_WAIT_FETCH =>
cache_from_mem <= '1';
mem_rdrq <= '1';
state <= S_FETCH1;
when S_MFI =>
mfi <= '1';
if ((user_cc_req_flush = '0' or to_integer(unsigned(cc_valid and cc_dirty)) = 0) and
(user_cc_req_inval = '0' or to_integer(unsigned(cc_valid)) = 0)) then
-- nothing to do for this set or done with it
if mfi_index = lines/assoc-1 then
user_cc_ack_o <= '1';
state <= S_WAIT;
end if;
else
if user_cc_req_flush = '1' and to_integer(unsigned(cc_valid and cc_dirty)) /= 0 then
if mfi_num_dirty = '1' then
cache_to_mem <= '1';
mem_wrrq <= '1';
state <= S_MFI_WRITEBACK1;
end if;
elsif user_cc_req_inval = '1' then
set_invalid <= '1';
end if;
end if;
--if user_cc_req_inval = '1' then
-- if to_integer(unsigned(adr_tag_eq)) = 0 then
-- -- address not in cache, nothing to invalidate
-- user_cc_ack_o <= '1';
-- state <= S_WAIT;
-- else
-- if adr_tag_eq_num_dirty = '1' then
-- -- line is dirty, flush first
-- cache_to_mem <= '1';
-- mem_wrrq <= '1';
-- state <= S_USER_WRITEBACK1;
-- else
-- set_invalid <= '1';
-- user_cc_ack_o <= '1';
-- state <= S_WAIT;
-- end if;
-- end if;
--elsif user_cc_req_flush = '1' then
-- if to_integer(unsigned(adr_tag_eq)) = 0 or adr_tag_eq_num_dirty = '0' then
-- -- address not in cache or clean, nothing to flush
-- user_cc_ack_o <= '1';
-- state <= S_WAIT;
-- else
-- cache_to_mem <= '1';
-- mem_wrrq <= '1';
-- state <= S_USER_WRITEBACK1;
-- end if;
--else -- WTF?
-- state <= S_WAIT;
--end if;
when S_MFI_WRITEBACK1 =>
mfi <= '1';
cache_to_mem <= '1';
state <= S_MFI_WRITEBACK2;
when S_MFI_WRITEBACK2 =>
mfi <= '1';
cache_to_mem <= '1';
if mem_offset = line_size-1 and mem_ack = '1' then
cache_to_mem <= '0';
set_clean <= '1';
state <= S_MFI_WAIT;
end if;
when S_MFI_WAIT =>
mfi <= '1';
state <= S_MFI;
end case;
end if;
end process cache_ctrl;
--cache_ctrl : process(clk_i)
-- begin
-- if rising_edge(clk_i) then
-- cache_we <= '0';
-- cache_wr_data <= (others => '-');
-- line_info_we <= '0';
-- line_info_wr_data <= dontcare_line_info;
-- mem_adr <= (others => '-');
-- mem_rdrq <= '0';
-- mem_wrrq <= '0';
-- case state is
-- when S_IDLE =>
-- if wbs_i.stb_i = '1' and wbs_i.cyc_i = '1' then
-- if wbs_i.we_i = '1' then
-- if to_integer(unsigned(adr_tag_eq)) = 0 then
-- -- miss
-- if line_info_rd_data.valid(eject_num) = '1' and
-- line_info_rd_data.dirty(eject_num) = '1' then
-- cache_rd_addr <= adr_index*line_size*assoc+eject_num*line_size+0;
-- ctr <= 0;
-- state <= S_WRITEBACK1;
-- else
-- mem_adr <= wbs_i.adr_i(addr_width+1 downto line_size_ln2+2);
-- mem_rdrq <= '1';
-- ctr <= 0;
-- state <= S_FETCH;
-- end if;
-- else
-- -- hit
-- wbs_o.ack_o <= '1';
-- cache_wr_data <= wbs_i.dat_i;
-- cache_wr_addr <= adr_index*line_size*assoc+adr_tag_eq_num*line_size+adr_offset;
-- cache_we <= '1';
-- line_info_wr_data <= line_info_rd_data;
-- line_info_wr_data.dirty(adr_tag_eq_num) <= '1';
-- for i in 0 to assoc-1 loop
-- if i = adr_tag_eq_num then
-- line_info_wr_data.lru(i) <= assoc-1;
-- else
-- if line_info_rd_data.lru(i) > 0 then
-- line_info_wr_data.lru(i) <= line_info_rd_data.lru(i) - 1;
-- end if;
-- end if;
-- end loop;
-- line_info_wr_addr <= line_info_rd_addr;
-- line_info_we <= '1';
-- state <= S_WAIT;
-- end if;
-- else
-- if to_integer(unsigned(adr_tag_eq)) = 0 then
-- -- miss
-- if line_info_rd_data.valid(eject_num) = '1' and
-- line_info_rd_data.dirty(eject_num) = '1' then
-- cache_rd_addr <= adr_index*line_size*assoc+eject_num*line_size+0;
-- ctr <= 0;
-- state <= S_WRITEBACK1;
-- else
-- mem_adr <= wbs_i.adr_i(addr_width+1 downto line_size_ln2+2);
-- mem_rdrq <= '1';
-- ctr <= 0;
-- state <= S_FETCH;
-- end if;
-- else
-- -- hit
-- cache_rd_addr <= adr_index*line_size*assoc+adr_tag_eq_num*line_size+adr_offset;
-- line_info_wr_data <= line_info_rd_data;
-- for i in 0 to assoc-1 loop
-- if i = adr_tag_eq_num then
-- line_info_wr_data.lru(i) <= assoc-1;
-- else
-- if line_info_rd_data.lru(i) > 0 then
-- line_info_wr_data.lru(i) <= line_info_rd_data.lru(i) - 1;
-- end if;
-- end if;
-- end loop;
-- line_info_wr_addr <= line_info_rd_addr;
-- line_info_we <= '1';
-- state <= S_READHIT;
-- end if;
-- end if;
-- end if;
-- when S_WAIT =>
-- state <= S_IDLE;
-- when S_READHIT =>
-- wbs_o.ack_o <= '1';
-- state <= S_WAIT;
-- when S_FETCH =>
-- if mem_ack = '1' then
-- cache_wr_data <= mem_dat_i;
-- cache_wr_addr <= adr_index*line_size*assoc+eject_num*line_size+ctr;
-- cache_we <= '1';
-- if ctr = line_size-1 then
-- line_info_wr_data <= line_info_rd_data;
-- line_info_wr_data.valid(eject_num) <= '1';
-- line_info_wr_data.dirty(eject_num) <= '0';
-- line_info_wr_data.tag(eject_num) <= adr_tag;
-- line_info_wr_addr <= line_info_rd_addr;
-- line_info_we <= '1';
-- state <= S_IDLE; -- restart request
-- else
-- ctr <= ctr + 1;
-- end if;
-- end if;
-- when S_WRITEBACK1 =>
-- mem_adr <= wbs_i.adr_i(addr_width+1 downto line_size_ln2+2);
-- mem_wrrq <= '1';
-- state <= S_WRITEBACK2;
-- when S_WRITEBACK2 =>
-- if mem_ack = '1' then
-- cache_rd_addr <= adr_index*line_size*assoc+eject_num*line_size+ctr;
-- if ctr = line_size-1 then
-- mem_adr <= wbs_i.adr_i(addr_width+1 downto line_size_ln2+2);
-- mem_rdrq <= '1';
-- ctr <= 0;
-- state <= S_FETCH;
-- else
-- ctr <= ctr + 1;
-- end if;
-- end if;
-- end case;
-- end if;
-- end process cache_ctrl;
end Behavioral;

143
src/wb_ddr_ctrl_wb_sc_fe_ram.vhd
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@@ -1,143 +0,0 @@
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 11/06/2012 03:04:35 PM
-- Design Name:
-- Module Name: wb_ddr_ctrl_wb_sc_fe_ram - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description: Memory controller - system clock domain - Cache front-end -
-- RAM
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity wb_ddr_ctrl_wb_sc_fe_ram is
generic (
lines : integer;
line_size : integer;
lines_ln2 : integer;
line_size_ln2 : integer);
port (
clk_i : in std_logic;
rd_addr : in unsigned(lines_ln2+line_size_ln2-1 downto 0);
rd_data : out std_logic_vector(63 downto 0);
wr_addr : in unsigned(lines_ln2+line_size_ln2-1 downto 0);
wr_data : in std_logic_vector(63 downto 0);
bwe : in std_logic_vector(7 downto 0));
end wb_ddr_ctrl_wb_sc_fe_ram;
architecture Behavioral of wb_ddr_ctrl_wb_sc_fe_ram is
attribute ram_style : string;
type cache_arr is array(lines*line_size-1 downto 0) of std_logic_vector(31 downto 0);
signal cache_hi, cache_lo : cache_arr := (others => (others => '-'));
attribute ram_style of cache_hi : signal is "block";
attribute ram_style of cache_lo : signal is "block";
signal di7, di6, di5, di4, di3, di2, di1, di0 : std_logic_vector(7 downto 0);
signal wr_data_hi, wr_data_lo, rd_data_hi, rd_data_lo : std_logic_vector(31 downto 0);
signal bwe_hi, bwe_lo : std_logic_vector(3 downto 0);
begin
wr_data_hi <= wr_data(63 downto 32);
wr_data_lo <= wr_data(31 downto 0);
rd_data <= rd_data_hi & rd_data_lo;
bwe_hi <= bwe(7 downto 4);
bwe_lo <= bwe(3 downto 0);
cache_hi_din : process(wr_data_hi, wr_addr, bwe_hi)
begin
if bwe_hi(3) = '1' then
di7 <= wr_data_hi(31 downto 24);
else
di7 <= cache_hi(to_integer(wr_addr))(31 downto 24);
end if;
if bwe_hi(2) = '1' then
di6 <= wr_data_hi(23 downto 16);
else
di6 <= cache_hi(to_integer(wr_addr))(23 downto 16);
end if;
if bwe_hi(1) = '1' then
di5 <= wr_data_hi(15 downto 8);
else
di5 <= cache_hi(to_integer(wr_addr))(15 downto 8);
end if;
if bwe_hi(0) = '1' then
di4 <= wr_data_hi(7 downto 0);
else
di4 <= cache_hi(to_integer(wr_addr))(7 downto 0);
end if;
end process cache_hi_din;
cache_lo_din : process(wr_data_lo, wr_addr, bwe_lo)
begin
if bwe_lo(3) = '1' then
di3 <= wr_data_lo(31 downto 24);
else
di3 <= cache_lo(to_integer(wr_addr))(31 downto 24);
end if;
if bwe_lo(2) = '1' then
di2 <= wr_data_lo(23 downto 16);
else
di2 <= cache_lo(to_integer(wr_addr))(23 downto 16);
end if;
if bwe_lo(1) = '1' then
di1 <= wr_data_lo(15 downto 8);
else
di1 <= cache_lo(to_integer(wr_addr))(15 downto 8);
end if;
if bwe_lo(0) = '1' then
di0 <= wr_data_lo(7 downto 0);
else
di0 <= cache_lo(to_integer(wr_addr))(7 downto 0);
end if;
end process cache_lo_din;
-- Memory for cache data
cache_mem_hi : process(clk_i)
begin
if rising_edge(clk_i) then
cache_hi(to_integer(wr_addr)) <= di7 & di6 & di5 & di4;
rd_data_hi <= cache_hi(to_integer(rd_addr));
end if;
end process cache_mem_hi;
cache_mem_lo : process(clk_i)
begin
if rising_edge(clk_i) then
cache_lo(to_integer(wr_addr)) <= di3 & di2 & di1 & di0;
rd_data_lo <= cache_lo(to_integer(rd_addr));
end if;
end process cache_mem_lo;
end Behavioral;

196
src/wb_mem_bridge.vhd Normal file
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-------------------------------------------------------------------------------
-- Title : Wishbone <-> Memory controller bridge
-- Project :
-------------------------------------------------------------------------------
-- File : wb_mem_bridge.vhd
-- Author : Metthias Blankertz <matthias@blankertz.org>
-- Company :
-- Created : 2013-06-04
-- Last update: 2013-06-04
-- Platform :
-- Standard : VHDL'93/02
-------------------------------------------------------------------------------
-- Description:
-------------------------------------------------------------------------------
-- Copyright (c) 2013
-------------------------------------------------------------------------------
-- Revisions :
-- Date Version Author Description
-- 2013-06-04 1.0 matthias Created
-------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
use work.intercon_package.all;
entity wb_mem_bridge is
generic (
burst_length : integer := 8;
burst_length_ln2 : integer := 3;
dontcare : std_logic := '-'
);
port (
clk_i : in std_ulogic;
rst_i : in std_ulogic;
wbs_i : in mem_bridge_wbs_i_type;
wbs_o : out mem_bridge_wbs_o_type;
wb_mem_rdrq : out std_logic;
wb_mem_wrrq : out std_logic;
wb_mem_adr : out std_logic_vector(19 downto 0);
wb_mem_dat_o : out std_logic_vector(63 downto 0);
wb_mem_sel : out std_logic_vector(7 downto 0);
wb_mem_ack : in std_logic;
wb_mem_dat_i : in std_logic_vector(63 downto 0)
);
end wb_mem_bridge;
architecture Behavioral of wb_mem_bridge is
signal buf_dirty : std_logic_vector(burst_length*8-1 downto 0) := (others => '0');
signal buf_valid : std_logic := '0';
signal buf_tag : std_logic_vector(wbs_i.adr_i'left downto burst_length_ln2+3);
signal buf_adr : std_logic_vector(2 downto 0);
signal buf_bwe : std_logic_vector(7 downto 0) := (others => '0');
signal buf_hit : std_logic;
signal buf_dat_o, buf_dat_i : std_logic_vector(63 downto 0);
signal wb_in_cyc, write_flush, read_fill, buf_wbwr : std_logic := '0';
signal ctr : unsigned(burst_length_ln2-1 downto 0) := to_unsigned(0, burst_length_ln2);
begin
buf_hit <= '1' when wbs_i.adr_i(wbs_i.adr_i'left downto burst_length_ln2+3) = buf_tag else
'0';
buf_bwe <= "0000" & wbs_i.sel_i when buf_wbwr = '1' and wbs_i.adr_i(2) = '0' else
wbs_i.sel_i & "0000" when buf_wbwr = '1' and wbs_i.adr_i(2) = '1' else
"11111111" when read_fill = '1' and wb_mem_ack = '1' else
"00000000";
buf_adr <= std_logic_vector(ctr+1) when write_flush = '1' and wb_mem_ack = '1' else
std_logic_vector(ctr) when write_flush = '1' or read_fill = '1' else
wbs_i.adr_i(burst_length_ln2+2 downto 3);
buf_dat_i <= wb_mem_dat_i when read_fill = '1' else
wbs_i.dat_i & wbs_i.dat_i;
buf : entity work.ram_16x64
port map (
clk => clk_i,
bwe => buf_bwe,
adr(3) => '0',
adr(2 downto 0) => buf_adr,
din => buf_dat_i,
dout => buf_dat_o
);
wbs_o.dat_o <= buf_dat_o(31 downto 0) when wbs_i.adr_i(2) = '0' else
buf_dat_o(63 downto 32);
wb_mem_dat_o <= buf_dat_o;
wb_mem_sel <= buf_dirty(8*to_integer(ctr)+7 downto 8*to_integer(ctr));
ctrl : process(clk_i)
begin
if rising_edge(clk_i) then
wb_mem_adr <= (others => dontcare);
wb_mem_wrrq <= '0';
wb_mem_rdrq <= '0';
buf_wbwr <= '0';
if rst_i = '1' then
buf_dirty <= (others => '0');
buf_valid <= '0';
wbs_o.ack_o <= '0';
wb_in_cyc <= '0';
write_flush <= '0';
read_fill <= '0';
else
if write_flush = '1' then
if wb_mem_ack = '1' then
if ctr < burst_length-1 then
ctr <= ctr + 1;
else
-- Flush complete
buf_dirty <= (others => '0');
write_flush <= '0';
end if;
end if;
elsif read_fill = '1' then
if wb_mem_ack = '1' then
if ctr < burst_length-1 then
ctr <= ctr + 1;
else
-- Fill complete, set valid and update tag
buf_valid <= '1';
buf_tag <= wbs_i.adr_i(wbs_i.adr_i'left downto burst_length_ln2+3);
read_fill <= '0';
end if;
end if;
elsif wb_in_cyc = '0' and wbs_i.stb_i = '1' and wbs_i.cyc_i = '1' then
-- Start new wishbone request
if wbs_i.we_i = '1' then
-- Write request
if buf_hit = '1' or unsigned(buf_dirty) = 0 then
-- Hit or buffer empty
-- Update tag
buf_tag <= wbs_i.adr_i(wbs_i.adr_i'left downto burst_length_ln2+3);
wbs_o.ack_o <= '1'; -- Acknowlege
buf_wbwr <= '1'; -- WB write data into write buffer
-- Update write buffer valid flags
buf_dirty(4*to_integer(unsigned(wbs_i.adr_i(burst_length_ln2+2 downto 2)))+3 downto
4*to_integer(unsigned(wbs_i.adr_i(burst_length_ln2+2 downto 2)))) <= wbs_i.sel_i;
wb_in_cyc <= '1';
if buf_hit = '0' then
-- We got here bc buffer was clean and we changed the tag
buf_valid <= '0'; -- Invalidate buffer for reads
end if;
else
-- Miss, must flush
write_flush <= '1';
wb_mem_wrrq <= '1';
wb_mem_adr <= buf_tag;
ctr <= to_unsigned(0, burst_length_ln2);
end if;
else
-- Read request
if buf_hit = '1' and buf_valid = '1' then
-- Hit
wbs_o.ack_o <= '1';
wb_in_cyc <= '1';
else
-- Miss
if unsigned(buf_dirty) = 0 then
-- Clean, no flush
-- Start fill from memory
read_fill <= '1';
wb_mem_rdrq <= '1';
wb_mem_adr <= wbs_i.adr_i(wbs_i.adr_i'left downto burst_length_ln2+3);
ctr <= to_unsigned(0, burst_length_ln2);
else
-- Dirty, flush first
write_flush <= '1';
wb_mem_wrrq <= '1';
wb_mem_adr <= buf_tag;
ctr <= to_unsigned(0, burst_length_ln2);
end if;
end if;
end if;
elsif wb_in_cyc = '1' and wbs_i.stb_i = '0' then
wbs_o.ack_o <= '0';
wb_in_cyc <= '0';
end if;
end if;
end if;
end process ctrl;
end Behavioral;

147
src/wishbone.defines
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# Generated by PERL program wishbone.pl.
# File used as input for wishbone arbiter generation
# Generated Thu Jun 24 14:29:34 2004
filename=wb_interconnect
intercon=intercon
syscon=syscon
target=xilinx
hdl=vhdl
signal_groups=1
tga_bits=2
tgc_bits=3
tgd_bits=0
rename_tga=bte
rename_tgc=cti
rename_tgd=tgd
classic=000
endofburst=111
dat_size=32
adr_size=28
mux_type=andor
interconnect=crossbarswitch
# until we have a real second master, a dummy
# to workaround bugs in interconnect generator
master dummy
type=ro
lock_o=0
tga_o=1
tgc_o=1
tgd_o=0
err_i=0
rty_i=0
priority_sdram_ctrl=1
priority_sdram_ctrl_cc=1
priority_mblite_rom=1
priority_ram=1
priority_pio_led=1
priority_uart=1
end master dummy
# system controller
master cpu
type=rw
lock_o=0
tga_o=0
tgc_o=0
tgd_o=0
err_i=0
rty_i=0
priority_sdram_ctrl=2
priority_sdram_ctrl_cc=2
priority_mblite_rom=2
priority_ram=2
priority_pio_led=2
priority_uart=2
end master cpu
# Wishbone (secondary) read port on CPU instr. memory
slave mblite_rom
type=ro
adr_i_hi=11
adr_i_lo=2
tga_i=0
tgc_i=0
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseaddr=0x0000000
size=0x1000
end slave mblite_rom
# Internal RAM
slave ram
type=rw
adr_i_hi=10
adr_i_lo=2
tga_i=0
tgc_i=0
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseadr=0x0001000
size=0x800
end slave ram
# PIO for LEDs
slave pio_led
type=rw
adr_i_hi=1
adr_i_lo=1
tga_i=0
tgc_i=0
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseadr=0x0004000
size=0x4
end slave pio_led
# UART
slave uart
type=rw
adr_i_hi=2
adr_i_lo=2
tga_i=0
tgc_i=0
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseadr=0x0004020
size=0x8
end slave uart
# SDRAM controller Cache control port
slave sdram_ctrl_cc
type=rw
adr_i_hi=1
adr_i_lo=1
tga_i=1
tgc_i=1
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseadr=0x0004010
size=0x4
end slave sdram_ctrl_cc
# SDRAM controller memory port
slave sdram_ctrl
type=rw
adr_i_hi=25
adr_i_lo=2
tga_i=0
tgc_i=0
tgd_i=0
lock_i=0
err_o=0
rty_o=0
baseadr=0x4000000
size=0x4000000
end slave sdram_ctrl

285
src/wishbone.vhd Normal file
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-------------------------------------------------------------------------------
-- Title : Wishbone interconnect
-- Project :
-------------------------------------------------------------------------------
-- File : wishbone.vhd
-- Author : Matthias Blankertz <matthias@blankertz.org>
-- Company :
-- Created : 2013-06-03
-- Last update: 2013-06-04
-- Platform :
-- Standard : VHDL'93/02
-------------------------------------------------------------------------------
-- Description:
-------------------------------------------------------------------------------
-- Copyright (c) 2013
-------------------------------------------------------------------------------
-- Revisions :
-- Date Version Author Description
-- 2013-06-03 1.0 matthias Created
-------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
package intercon_package is
constant wb_addr_width : integer := 28;
type cpu_wbm_i_type is record
dat_i : std_logic_vector(31 downto 0);
ack_i : std_logic;
end record;
type cpu_wbm_o_type is record
dat_o : std_logic_vector(31 downto 0);
we_o : std_logic;
sel_o : std_logic_vector(3 downto 0);
adr_o : std_logic_vector(wb_addr_width-1 downto 0);
cyc_o : std_logic;
stb_o : std_logic;
end record;
type mblite_rom_wbs_i_type is record
sel_i : std_logic_vector(3 downto 0);
adr_i : std_logic_vector(11 downto 2);
cyc_i : std_logic;
stb_i : std_logic;
end record;
type mblite_rom_wbs_o_type is record
dat_o : std_logic_vector(31 downto 0);
ack_o : std_logic;
end record;
type ram_wbs_i_type is record
dat_i : std_logic_vector(31 downto 0);
we_i : std_logic;
sel_i : std_logic_vector(3 downto 0);
adr_i : std_logic_vector(10 downto 2);
cyc_i : std_logic;
stb_i : std_logic;
end record;
type ram_wbs_o_type is record
dat_o : std_logic_vector(31 downto 0);
ack_o : std_logic;
end record;
type pio_led_wbs_i_type is record
dat_i : std_logic_vector(31 downto 0);
we_i : std_logic;
sel_i : std_logic_vector(3 downto 0);
cyc_i : std_logic;
stb_i : std_logic;
end record;
type pio_led_wbs_o_type is record
dat_o : std_logic_vector(31 downto 0);
ack_o : std_logic;
end record;
type uart_wbs_i_type is record
dat_i : std_logic_vector(7 downto 0);
we_i : std_logic;
adr_i : std_logic_vector(0 downto 0);
cyc_i : std_logic;
stb_i : std_logic;
end record;
type uart_wbs_o_type is record
dat_o : std_logic_vector(7 downto 0);
ack_o : std_logic;
end record;
type mem_bridge_wbs_i_type is record
dat_i : std_logic_vector(31 downto 0);
we_i : std_logic;
sel_i : std_logic_vector(3 downto 0);
adr_i : std_logic_vector(25 downto 2);
cyc_i : std_logic;
stb_i : std_logic;
end record;
type mem_bridge_wbs_o_type is record
dat_o : std_logic_vector(31 downto 0);
ack_o : std_logic;
end record;
end intercon_package;
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx primitives in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
use work.intercon_package.all;
entity interconnect is
port (
-- wishbone master port(s)
-- cpu
cpu_wbm_i : out cpu_wbm_i_type;
cpu_wbm_o : in cpu_wbm_o_type;
-- wishbone slave port(s)
-- mblite_rom
mblite_rom_wbs_i : out mblite_rom_wbs_i_type;
mblite_rom_wbs_o : in mblite_rom_wbs_o_type;
-- ram
ram_wbs_i : out ram_wbs_i_type;
ram_wbs_o : in ram_wbs_o_type;
-- pio_led
pio_led_wbs_i : out pio_led_wbs_i_type;
pio_led_wbs_o : in pio_led_wbs_o_type;
-- uart
uart_wbs_i : out uart_wbs_i_type;
uart_wbs_o : in uart_wbs_o_type;
-- sdram_ctrl
mem_bridge_wbs_i : out mem_bridge_wbs_i_type;
mem_bridge_wbs_o : in mem_bridge_wbs_o_type;
-- clock and reset
clk : in std_logic;
reset : in std_logic
);
end interconnect;
architecture Behavioral of interconnect is
signal busm_dat_o, busm_dat_i : std_logic_vector(31 downto 0);
signal busm_adr_o : std_logic_vector(wb_addr_width-1 downto 0);
signal busm_stb_o, busm_cyc_o, busm_we_o, busm_ack_i : std_logic;
signal busm_sel_o : std_logic_vector(3 downto 0);
signal busm_bte_o : std_logic_vector(1 downto 0);
signal busm_cti_o : std_logic_vector(2 downto 0);
signal buss_dat_o, buss_dat_i : std_logic_vector(31 downto 0);
signal buss_adr_o : std_logic_vector(wb_addr_width-1 downto 0);
signal buss_stb_o, buss_cyc_o, buss_we_o, buss_ack_i : std_logic;
signal buss_sel_o : std_logic_vector(3 downto 0);
signal buss_bte_o : std_logic_vector(1 downto 0);
signal buss_cti_o : std_logic_vector(2 downto 0);
signal mblite_rom_ss, ram_ss, pio_led_ss, uart_ss, mem_bridge_ss : std_logic;
signal mblite_rom_ss_r, ram_ss_r, pio_led_ss_r, uart_ss_r, mem_bridge_ss_r : std_logic;
signal uart_cs : std_logic;
signal byte_sel : integer range 0 to 3;
signal hword_sel : integer range 0 to 1;
begin
-- Master arbiter (1 of n masters <-> busm)
-- Currently only 1 master, so direct connection
busm_dat_o <= cpu_wbm_o.dat_o;
busm_adr_o <= cpu_wbm_o.adr_o;
busm_stb_o <= cpu_wbm_o.stb_o;
busm_cyc_o <= cpu_wbm_o.cyc_o;
busm_we_o <= cpu_wbm_o.we_o;
busm_sel_o <= cpu_wbm_o.sel_o;
busm_bte_o <= "00";
busm_cti_o <= "000";
cpu_wbm_i.dat_i <= busm_dat_i;
cpu_wbm_i.ack_i <= busm_ack_i;
-- Interconnect bus (Pipeline stage can be added here)
buss_dat_o <= busm_dat_o;
buss_adr_o <= busm_adr_o;
buss_stb_o <= busm_stb_o;
buss_cyc_o <= busm_cyc_o;
buss_we_o <= busm_we_o;
buss_sel_o <= busm_sel_o;
buss_bte_o <= busm_bte_o;
buss_cti_o <= buss_cti_o;
busm_dat_i <= buss_dat_i;
busm_ack_i <= buss_ack_i;
-- Slave select gen
mblite_rom_ss <= '1' when unsigned(buss_adr_o((wb_addr_width-1) downto 12) & x"000") = 16#00000000# else '0';
ram_ss <= '1' when unsigned(buss_adr_o((wb_addr_width-1) downto 11) & "00000000000") = 16#00001000# else '0';
pio_led_ss <= '1' when unsigned(buss_adr_o((wb_addr_width-1) downto 2) & "00") = 16#00004000# else '0';
uart_ss <= '1' when unsigned(buss_adr_o((wb_addr_width-1) downto 1) & "0") = 16#00004020# else '0';
mem_bridge_ss <= '1' when unsigned(buss_adr_o((wb_addr_width-1) downto 26) & "00" & x"000000") = 16#08000000# else '0';
byte_sel <= to_integer(unsigned(buss_adr_o(1 downto 0)));
hword_sel <= to_integer(unsigned(buss_adr_o(1 downto 1)));
-- It is assumed that all peripherals take at least 1 cycle until output
-- => We can register the slave selects for the bus multiplexer for better timing
ss_regs : process(clk)
begin
if rising_edge(clk) then
mblite_rom_ss_r <= mblite_rom_ss;
ram_ss_r <= ram_ss;
pio_led_ss_r <= pio_led_ss;
uart_ss_r <= uart_ss;
mem_bridge_ss_r <= mem_bridge_ss;
end if;
end process ss_regs;
-- Slave -> Bus multiplexer
buss_dat_i <= mblite_rom_wbs_o.dat_o when mblite_rom_ss_r = '1' else
ram_wbs_o.dat_o when ram_ss_r = '1' else
pio_led_wbs_o.dat_o when pio_led_ss_r = '1' else
uart_wbs_o.dat_o & uart_wbs_o.dat_o & uart_wbs_o.dat_o & uart_wbs_o.dat_o when uart_ss_r = '1' else
mem_bridge_wbs_o.dat_o when mem_bridge_ss_r = '1' else
(others => '-');
buss_ack_i <= mblite_rom_wbs_o.ack_o when mblite_rom_ss_r = '1' else
ram_wbs_o.ack_o when ram_ss_r = '1' else
pio_led_wbs_o.ack_o when pio_led_ss_r = '1' else
uart_wbs_o.ack_o when uart_ss_r = '1' else
mem_bridge_wbs_o.ack_o when mem_bridge_ss_r = '1' else
'0';
-- Slave modules
-- mblite_rom (32bit, 0x00000000 - 0x00001000)
mblite_rom_wbs_i.sel_i <= buss_sel_o;
mblite_rom_wbs_i.adr_i <= buss_adr_o(11 downto 2);
mblite_rom_wbs_i.cyc_i <= buss_cyc_o and mblite_rom_ss;
mblite_rom_wbs_i.stb_i <= buss_stb_o and mblite_rom_ss;
-- ram (32bit, 0x00001000 - 0x00001800)
ram_wbs_i.sel_i <= buss_sel_o;
ram_wbs_i.adr_i <= buss_adr_o(10 downto 2);
ram_wbs_i.cyc_i <= buss_cyc_o and ram_ss;
ram_wbs_i.stb_i <= buss_stb_o and ram_ss;
ram_wbs_i.we_i <= buss_we_o;
ram_wbs_i.dat_i <= buss_dat_o;
-- PIO led (32bit, 0x00004000 - 0x00004004)
pio_led_wbs_i.sel_i <= buss_sel_o;
pio_led_wbs_i.cyc_i <= buss_cyc_o and pio_led_ss;
pio_led_wbs_i.stb_i <= buss_stb_o and pio_led_ss;
pio_led_wbs_i.we_i <= buss_we_o;
pio_led_wbs_i.dat_i <= buss_dat_o;
-- UART (8bit, 0x00004020 - 0x00004022)
uart_cs <= buss_sel_o(3-byte_sel);
uart_wbs_i.cyc_i <= buss_cyc_o and uart_ss;
uart_wbs_i.stb_i <= buss_stb_o and uart_ss and uart_cs;
uart_wbs_i.we_i <= buss_we_o;
uart_wbs_i.dat_i <= buss_dat_o(8*(3-byte_sel)+7 downto 8*(3-byte_sel));
uart_wbs_i.adr_i <= buss_adr_o(0 downto 0);
-- mem_bridge (32bit, 0x08000000 - 0x0C000000)
mem_bridge_wbs_i.sel_i <= buss_sel_o;
mem_bridge_wbs_i.adr_i <= buss_adr_o(25 downto 2);
mem_bridge_wbs_i.cyc_i <= buss_cyc_o and mem_bridge_ss;
mem_bridge_wbs_i.stb_i <= buss_stb_o and mem_bridge_ss;
mem_bridge_wbs_i.we_i <= buss_we_o;
mem_bridge_wbs_i.dat_i <= buss_dat_o;
end Behavioral;

172
tb/wb_ddr_ctrl_wb_sc_tb.vhd
View File

@@ -6,7 +6,7 @@
-- Author : <Matthias@MATTHIAS-PC> -- Author : <Matthias@MATTHIAS-PC>
-- Company : -- Company :
-- Created : 2013-03-08 -- Created : 2013-03-08
-- Last update: 2013-03-08 -- Last update: 2013-06-04
-- Platform : -- Platform :
-- Standard : VHDL'87 -- Standard : VHDL'87
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@@ -26,7 +26,6 @@ use ieee.numeric_std.all;
library ieee_proposed; library ieee_proposed;
use ieee_proposed.std_logic_1164_additions.all; use ieee_proposed.std_logic_1164_additions.all;
use work.intercon_package.all;
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
entity wb_ddr_ctrl_wb_sc_tb is entity wb_ddr_ctrl_wb_sc_tb is
@@ -37,33 +36,6 @@ end wb_ddr_ctrl_wb_sc_tb;
architecture testbench of wb_ddr_ctrl_wb_sc_tb is architecture testbench of wb_ddr_ctrl_wb_sc_tb is
component wb_ddr_ctrl_wb_sc
generic (
burst_length : integer;
burst_length_ln2 : integer;
dontcare : std_logic);
port (
clk_i : in std_ulogic;
rst_i : in std_ulogic;
wbs_i : in sdram_ctrl_wbs_i_type;
wbs_o : out sdram_ctrl_wbs_o_type;
wbs_cc_i : in sdram_ctrl_cc_wbs_i_type;
wbs_cc_o : out sdram_ctrl_cc_wbs_o_type;
vga_mem_rdrq : in std_logic;
vga_mem_adr : in std_logic_vector(19 downto 0);
vga_mem_ack : out std_logic;
vga_mem_dat_i : out std_logic_vector(63 downto 0);
ddr_din : out std_logic_vector(63 downto 0);
ddr_dout : in std_logic_vector(63 downto 0);
ddr_adr : out std_logic_vector(22 downto 0);
ddr_we : out std_ulogic;
ddr_be : out std_logic_vector(7 downto 0);
fifo_to_ddr_write : out std_ulogic;
fifo_from_ddr_read : out std_ulogic;
fifo_to_ddr_full : in std_ulogic;
fifo_from_ddr_empty : in std_ulogic);
end component;
-- component generics -- component generics
constant burst_length : integer := 8; constant burst_length : integer := 8;
constant burst_length_ln2 : integer := 3; constant burst_length_ln2 : integer := 3;
@@ -72,14 +44,17 @@ architecture testbench of wb_ddr_ctrl_wb_sc_tb is
-- component ports -- component ports
signal clk_i : std_ulogic := '0'; signal clk_i : std_ulogic := '0';
signal rst_i : std_ulogic := '1'; signal rst_i : std_ulogic := '1';
signal wbs_i : sdram_ctrl_wbs_i_type;
signal wbs_o : sdram_ctrl_wbs_o_type;
signal wbs_cc_i : sdram_ctrl_cc_wbs_i_type;
signal wbs_cc_o : sdram_ctrl_cc_wbs_o_type;
signal vga_mem_rdrq : std_logic := '0'; signal vga_mem_rdrq : std_logic := '0';
signal vga_mem_adr : std_logic_vector(19 downto 0); signal vga_mem_adr : std_logic_vector(19 downto 0);
signal vga_mem_ack : std_logic; signal vga_mem_ack : std_logic;
signal vga_mem_dat_i : std_logic_vector(63 downto 0); signal vga_mem_dat_i : std_logic_vector(63 downto 0);
signal wb_mem_rdrq : std_logic := '0';
signal wb_mem_wrrq : std_logic := '0';
signal wb_mem_adr : std_logic_vector(19 downto 0);
signal wb_mem_dat_o : std_logic_vector(63 downto 0);
signal wb_mem_sel : std_logic_vector(7 downto 0);
signal wb_mem_ack : std_logic;
signal wb_mem_dat_i : std_logic_vector(63 downto 0);
signal ddr_din : std_logic_vector(63 downto 0); signal ddr_din : std_logic_vector(63 downto 0);
signal ddr_dout : std_logic_vector(63 downto 0); signal ddr_dout : std_logic_vector(63 downto 0);
signal ddr_adr : std_logic_vector(22 downto 0); signal ddr_adr : std_logic_vector(22 downto 0);
@@ -93,7 +68,7 @@ architecture testbench of wb_ddr_ctrl_wb_sc_tb is
signal sim_done : boolean := false; signal sim_done : boolean := false;
constant maxdelay : integer := 8; constant maxdelay : integer := 8;
signal delay : integer range 0 to maxdelay := 2; signal delay : integer range 0 to maxdelay := 2;
signal readrate : integer := 0; signal readrate : integer := 1;
type fifo_a is array(0 to 127) of std_logic_vector(22 downto 0); type fifo_a is array(0 to 127) of std_logic_vector(22 downto 0);
signal fifo : fifo_a := (others => (others => '0')); signal fifo : fifo_a := (others => (others => '0'));
@@ -105,7 +80,7 @@ architecture testbench of wb_ddr_ctrl_wb_sc_tb is
begin -- testbench begin -- testbench
-- component instantiation -- component instantiation
DUT: wb_ddr_ctrl_wb_sc DUT: entity work.wb_ddr_ctrl_wb_sc
generic map ( generic map (
burst_length => burst_length, burst_length => burst_length,
burst_length_ln2 => burst_length_ln2, burst_length_ln2 => burst_length_ln2,
@@ -113,14 +88,17 @@ begin -- testbench
port map ( port map (
clk_i => clk_i, clk_i => clk_i,
rst_i => rst_i, rst_i => rst_i,
wbs_i => wbs_i,
wbs_o => wbs_o,
wbs_cc_i => wbs_cc_i,
wbs_cc_o => wbs_cc_o,
vga_mem_rdrq => vga_mem_rdrq, vga_mem_rdrq => vga_mem_rdrq,
vga_mem_adr => vga_mem_adr, vga_mem_adr => vga_mem_adr,
vga_mem_ack => vga_mem_ack, vga_mem_ack => vga_mem_ack,
vga_mem_dat_i => vga_mem_dat_i, vga_mem_dat_i => vga_mem_dat_i,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i,
ddr_din => ddr_din, ddr_din => ddr_din,
ddr_dout => ddr_dout, ddr_dout => ddr_dout,
ddr_adr => ddr_adr, ddr_adr => ddr_adr,
@@ -149,6 +127,8 @@ begin -- testbench
rst_i <= '0'; rst_i <= '0';
wait until rising_edge(clk_i); wait until rising_edge(clk_i);
-- Test VGA read port
vga_mem_rdrq <= '1'; vga_mem_rdrq <= '1';
vga_mem_adr <= x"00010"; vga_mem_adr <= x"00010";
wait until rising_edge(clk_i); wait until rising_edge(clk_i);
@@ -185,72 +165,68 @@ begin -- testbench
wait until rising_edge(clk_i); wait until rising_edge(clk_i);
end loop; end loop;
-- read miss w/o replace (tag 1 index 1) -- Test wb read port
wbs_i.cyc_i <= '1';
wbs_i.stb_i <= '1';
wbs_i.we_i <= '0';
wbs_i.adr_i <= x"000210";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
assert wbs_o.dat_o = x"00000108" report "Read fail: expected 0x00000108, got " & to_hstring(wbs_o.dat_o) severity failure;
wbs_i.cyc_i <= '0';
wbs_i.stb_i <= '0';
wait until rising_edge(clk_i);
-- write miss (tag 2 index 0)
wbs_i.cyc_i <= '1';
wbs_i.stb_i <= '1';
wbs_i.we_i <= '1';
wbs_i.adr_i <= x"000404";
wbs_i.dat_i <= x"deadbeef";
wbs_i.sel_i <= "1111";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
wbs_i.cyc_i <= '0';
wbs_i.stb_i <= '0';
wait until rising_edge(clk_i);
-- manual flush wb_mem_rdrq <= '1';
wbs_cc_i.cyc_i <= '1'; wb_mem_adr <= x"00010";
wbs_cc_i.stb_i <= '1';
wbs_cc_i.we_i <= '1';
wbs_cc_i.adr_i <= "0";
wbs_cc_i.dat_i <= x"00001010";
wbs_cc_i.sel_i <= "1111";
wait until rising_edge(clk_i);
while wbs_cc_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
wbs_cc_i.cyc_i <= '0';
wbs_cc_i.stb_i <= '0';
wait until rising_edge(clk_i);
-- read miss w/o replace (tag 3 index 1)
wbs_i.cyc_i <= '1';
wbs_i.stb_i <= '1';
wbs_i.we_i <= '0';
wbs_i.adr_i <= x"000612";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
assert wbs_o.dat_o = x"00000309" report "Read fail: expected 0x00000309, got " & to_hstring(wbs_o.dat_o) severity failure;
wbs_i.cyc_i <= '0';
wbs_i.stb_i <= '0';
wait until rising_edge(clk_i); wait until rising_edge(clk_i);
wb_mem_rdrq <= '0';
ctr := 0;
while ctr < burst_length loop
if wb_mem_ack = '1' then
expected_data := (others => '0');
expected_data(22 downto 3) := x"00010";
expected_data(2 downto 0) := std_logic_vector(to_unsigned(ctr, 3));
assert wb_mem_dat_i = expected_data report "Incorrect read data (WB)" severity failure;
ctr := ctr + 1;
end if;
wait until rising_edge(clk_i);
end loop;
wb_mem_rdrq <= '1';
wb_mem_adr <= x"10010";
wait until rising_edge(clk_i); wait until rising_edge(clk_i);
wait until rising_edge(clk_i); wb_mem_rdrq <= '0';
ctr := 0;
while ctr < burst_length loop
if wb_mem_ack = '1' then
expected_data := (others => '0');
expected_data(22 downto 3) := x"10010";
expected_data(2 downto 0) := std_logic_vector(to_unsigned(ctr, 3));
assert wb_mem_dat_i = expected_data report "Incorrect read data (WB)" severity failure;
ctr := ctr + 1;
end if;
wait until rising_edge(clk_i);
end loop;
-- Test wb write port
wb_mem_wrrq <= '1';
wb_mem_adr <= x"10010";
wb_mem_dat_o <= x"de00ad00be00ef00";
--wait until rising_edge(clk_i);
ctr := 0;
while ctr < burst_length loop
if wb_mem_ack = '1' then
ctr := ctr + 1;
wb_mem_dat_o(7 downto 0) <= std_logic_vector(to_unsigned(ctr, 8));
end if;
wait until rising_edge(clk_i);
wb_mem_wrrq <= '0';
end loop;
sim_done <= true; sim_done <= true;
wait; wait;
end process WaveGen_Proc; end process WaveGen_Proc;
emul_fifo_to_ddr : process emul_fifo_to_ddr : process
constant max_fill : integer := 7; constant max_fill : integer := 2;
variable fill : integer := 0; variable fill : integer := 0;
variable ctr : integer := 0; variable ctr : integer := 0;
begin begin
@@ -266,7 +242,9 @@ begin -- testbench
fill := fill + 1; fill := fill + 1;
end if; end if;
if ctr >= readrate then if ctr >= readrate then
fill := fill - 1; if fill > 0 then
fill := fill - 1;
end if;
ctr := 0; ctr := 0;
else else
ctr := ctr + 1; ctr := ctr + 1;

361
tb/wb_mem_bridge_tb.vhd Normal file
View File

@@ -0,0 +1,361 @@
-------------------------------------------------------------------------------
-- Title : Testbench for design "wb_ddr_ctrl_wb_sc"
-- Project :
-------------------------------------------------------------------------------
-- File : wb_ddr_ctrl_wb_sc_tb.vhd
-- Author : <Matthias@MATTHIAS-PC>
-- Company :
-- Created : 2013-03-08
-- Last update: 2013-06-04
-- Platform :
-- Standard : VHDL'87
-------------------------------------------------------------------------------
-- Description:
-------------------------------------------------------------------------------
-- Copyright (c) 2013
-------------------------------------------------------------------------------
-- Revisions :
-- Date Version Author Description
-- 2013-03-08 1.0 Matthias Created
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library ieee_proposed;
use ieee_proposed.std_logic_1164_additions.all;
use work.intercon_package.all;
-------------------------------------------------------------------------------
entity wb_mem_bridge_tb is
end wb_mem_bridge_tb;
-------------------------------------------------------------------------------
architecture testbench of wb_mem_bridge_tb is
-- component generics
constant burst_length : integer := 8;
constant burst_length_ln2 : integer := 3;
constant dontcare : std_logic := '0';
-- component ports
signal clk_i : std_ulogic := '0';
signal rst_i : std_ulogic := '1';
signal vga_mem_rdrq : std_logic := '0';
signal vga_mem_adr : std_logic_vector(19 downto 0);
signal vga_mem_ack : std_logic;
signal vga_mem_dat_i : std_logic_vector(63 downto 0);
signal wb_mem_rdrq : std_logic := '0';
signal wb_mem_wrrq : std_logic := '0';
signal wb_mem_adr : std_logic_vector(19 downto 0);
signal wb_mem_dat_o : std_logic_vector(63 downto 0);
signal wb_mem_sel : std_logic_vector(7 downto 0);
signal wb_mem_ack : std_logic;
signal wb_mem_dat_i : std_logic_vector(63 downto 0);
signal ddr_din : std_logic_vector(63 downto 0);
signal ddr_dout : std_logic_vector(63 downto 0);
signal ddr_adr : std_logic_vector(22 downto 0);
signal ddr_we : std_ulogic;
signal ddr_be : std_logic_vector(7 downto 0);
signal fifo_to_ddr_write : std_ulogic;
signal fifo_from_ddr_read : std_ulogic;
signal fifo_to_ddr_full : std_ulogic := '0';
signal fifo_from_ddr_empty : std_ulogic := '1';
signal wbs_i : mem_bridge_wbs_i_type;
signal wbs_o : mem_bridge_wbs_o_type;
signal sim_done : boolean := false;
constant maxdelay : integer := 8;
signal delay : integer range 0 to maxdelay := 2;
signal readrate : integer := 1;
type fifo_a is array(0 to 127) of std_logic_vector(22 downto 0);
signal fifo : fifo_a := (others => (others => '0'));
signal fifo_rdptr, fifo_wrptr : integer range 0 to 127;
type wrptr_dly_a is array(maxdelay downto 0) of integer range 0 to 127;
signal wrptr_dly : wrptr_dly_a := (others => 0);
begin -- testbench
-- component instantiation
DUT: entity work.wb_mem_bridge
generic map (
burst_length => burst_length,
burst_length_ln2 => burst_length_ln2,
dontcare => dontcare
)
port map (
clk_i => clk_i,
rst_i => rst_i,
wbs_i => wbs_i,
wbs_o => wbs_o,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i
);
mem_ctrl_inst: entity work.wb_ddr_ctrl_wb_sc
generic map (
burst_length => burst_length,
burst_length_ln2 => burst_length_ln2,
dontcare => dontcare)
port map (
clk_i => clk_i,
rst_i => rst_i,
vga_mem_rdrq => vga_mem_rdrq,
vga_mem_adr => vga_mem_adr,
vga_mem_ack => vga_mem_ack,
vga_mem_dat_i => vga_mem_dat_i,
wb_mem_rdrq => wb_mem_rdrq,
wb_mem_wrrq => wb_mem_wrrq,
wb_mem_adr => wb_mem_adr,
wb_mem_dat_o => wb_mem_dat_o,
wb_mem_sel => wb_mem_sel,
wb_mem_ack => wb_mem_ack,
wb_mem_dat_i => wb_mem_dat_i,
ddr_din => ddr_din,
ddr_dout => ddr_dout,
ddr_adr => ddr_adr,
ddr_we => ddr_we,
ddr_be => ddr_be,
fifo_to_ddr_write => fifo_to_ddr_write,
fifo_from_ddr_read => fifo_from_ddr_read,
fifo_to_ddr_full => fifo_to_ddr_full,
fifo_from_ddr_empty => fifo_from_ddr_empty);
-- clock generation
clk_i <= not clk_i after 10 ns when not sim_done else
'0';
-- waveform generation
WaveGen_Proc: process
variable ctr : integer;
variable expected_data : std_logic_vector(63 downto 0);
begin
-- insert signal assignments here
rst_i <= '1';
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait for 50 ns;
wait until rising_edge(clk_i);
rst_i <= '0';
wait until rising_edge(clk_i);
-- Read miss (on clean buffer)
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '0';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000002#, 24));
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
assert wbs_o.dat_o = x"00000001" report "Incorrect read data (WB)" severity error;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Write hit
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '1';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000000#, 24));
wbs_i.dat_i <= x"DEADBEEF";
wbs_i.sel_i <= "1111";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Read hit
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '0';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000000#, 24));
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
assert wbs_o.dat_o = x"DEADBEEF" report "Incorrect read data (WB)" severity error;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Read miss (on dirty buffer)
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '0';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000020#, 24));
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
assert wbs_o.dat_o = x"00000010" report "Incorrect read data (WB)" severity error;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Write miss (on clean buffer)
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '1';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000033#, 24));
wbs_i.dat_i <= x"DEADBEEF";
wbs_i.sel_i <= "1111";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Write miss (on dirty buffer)
wbs_i.stb_i <= '1';
wbs_i.cyc_i <= '1';
wbs_i.we_i <= '1';
wbs_i.adr_i <= std_logic_vector(to_unsigned(16#000044#, 24));
wbs_i.dat_i <= x"DEADBEEF";
wbs_i.sel_i <= "1111";
wait until rising_edge(clk_i);
while wbs_o.ack_o = '0' loop
wait until rising_edge(clk_i);
end loop;
wbs_i.stb_i <= '0';
wbs_i.cyc_i <= '0';
wait until rising_edge(clk_i);
-- Test VGA read port
vga_mem_rdrq <= '1';
vga_mem_adr <= x"00010";
wait until rising_edge(clk_i);
vga_mem_rdrq <= '0';
ctr := 0;
while ctr < burst_length loop
if vga_mem_ack = '1' then
expected_data := (others => '0');
expected_data(22 downto 3) := x"00010";
expected_data(2 downto 0) := std_logic_vector(to_unsigned(ctr, 3));
assert vga_mem_dat_i = expected_data report "Incorrect read data (VGA)" severity failure;
ctr := ctr + 1;
end if;
wait until rising_edge(clk_i);
end loop;
vga_mem_rdrq <= '1';
vga_mem_adr <= x"10010";
wait until rising_edge(clk_i);
vga_mem_rdrq <= '0';
ctr := 0;
while ctr < burst_length loop
if vga_mem_ack = '1' then
expected_data := (others => '0');
expected_data(22 downto 3) := x"10010";
expected_data(2 downto 0) := std_logic_vector(to_unsigned(ctr, 3));
assert vga_mem_dat_i = expected_data report "Incorrect read data (VGA)" severity failure;
ctr := ctr + 1;
end if;
wait until rising_edge(clk_i);
end loop;
sim_done <= true;
wait;
end process WaveGen_Proc;
emul_fifo_to_ddr : process
constant max_fill : integer := 2;
variable fill : integer := 0;
variable ctr : integer := 0;
begin
wait until rst_i = '0';
while true loop
wait until rising_edge(clk_i);
if fifo_to_ddr_write = '1' then
assert fill < max_fill report "DUT->DDR FIFO overflow" severity failure;
if ddr_we = '0' then
fifo(fifo_wrptr) <= ddr_adr;
fifo_wrptr <= (fifo_wrptr + 1) mod 128;
end if;
fill := fill + 1;
end if;
if ctr >= readrate then
if fill > 0 then
fill := fill - 1;
end if;
ctr := 0;
else
ctr := ctr + 1;
end if;
if fill >= max_fill then
fifo_to_ddr_full <= '1';
else
fifo_to_ddr_full <= '0';
end if;
end loop;
end process emul_fifo_to_ddr;
emul_fifo_from_ddr : process
variable rdptr_next : integer range 0 to 127;
begin
wait until rst_i = '0';
while true loop
wait until rising_edge(clk_i);
wrptr_dly <= wrptr_dly(maxdelay-1 downto 0) & fifo_wrptr;
rdptr_next := fifo_rdptr;
if fifo_from_ddr_read = '1' then
assert wrptr_dly(delay) /= fifo_rdptr report "DDR->DUT FIFO underflow" severity failure;
ddr_dout(63 downto 23) <= (others => '0');
ddr_dout(22 downto 0) <= fifo(fifo_rdptr);
rdptr_next := (fifo_rdptr + 1) mod 128;
end if;
if wrptr_dly(delay) = rdptr_next then
fifo_from_ddr_empty <= '1';
else
fifo_from_ddr_empty <= '0';
end if;
fifo_rdptr <= rdptr_next;
end loop;
end process emul_fifo_from_ddr;
end testbench;
-------------------------------------------------------------------------------
configuration wb_ddr_ctrl_wb_sc_tb_testbench_cfg of wb_ddr_ctrl_wb_sc_tb is
for testbench
end for;
end wb_ddr_ctrl_wb_sc_tb_testbench_cfg;
-------------------------------------------------------------------------------

522
wb_ddr_ctrl_wb_sc_tb.wcfg
View File

@@ -5,17 +5,15 @@
<db_ref_list> <db_ref_list>
<db_ref path="./isim.wdb" id="1" type="auto"> <db_ref path="./isim.wdb" id="1" type="auto">
<top_modules> <top_modules>
<top_module name="intercon_package" />
<top_module name="numeric_std" /> <top_module name="numeric_std" />
<top_module name="std_logic_1164" /> <top_module name="std_logic_1164" />
<top_module name="std_logic_1164_additions" /> <top_module name="std_logic_1164_additions" />
<top_module name="textio" /> <top_module name="textio" />
<top_module name="vcomponents" />
<top_module name="wb_ddr_ctrl_wb_sc_tb" /> <top_module name="wb_ddr_ctrl_wb_sc_tb" />
</top_modules> </top_modules>
</db_ref> </db_ref>
</db_ref_list> </db_ref_list>
<WVObjectSize size="56" /> <WVObjectSize size="50" />
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/sim_done" type="other" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/sim_done" type="other" db_ref_id="1">
<obj_property name="ElementShortName">sim_done</obj_property> <obj_property name="ElementShortName">sim_done</obj_property>
<obj_property name="ObjectShortName">sim_done</obj_property> <obj_property name="ObjectShortName">sim_done</obj_property>
@@ -52,99 +50,6 @@
<obj_property name="ElementShortName">rst_i</obj_property> <obj_property name="ElementShortName">rst_i</obj_property>
<obj_property name="ObjectShortName">rst_i</obj_property> <obj_property name="ObjectShortName">rst_i</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_i</obj_property>
<obj_property name="ObjectShortName">wbs_i</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.dat_i</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.we_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.we_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.we_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.sel_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.sel_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.sel_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.adr_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.adr_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.adr_i</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.bte_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.bte_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.bte_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.cti_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.cti_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.cti_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.cyc_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.cyc_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.cyc_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_i.stb_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.stb_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.stb_i</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_o</obj_property>
<obj_property name="ObjectShortName">wbs_o</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_o.dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.dat_o</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_o.ack_o" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.ack_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.ack_o</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_cc_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.dat_i</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.we_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.we_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.we_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.sel_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.sel_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.sel_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.adr_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.adr_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.adr_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.cyc_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.cyc_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.cyc_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_i.stb_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.stb_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i.stb_i</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_cc_o</obj_property>
<obj_property name="ObjectShortName">wbs_cc_o</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_o.dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_o</obj_property>
<obj_property name="ObjectShortName">wbs_cc_o.dat_o</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wbs_cc_o.ack_o" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.ack_o</obj_property>
<obj_property name="ObjectShortName">wbs_cc_o.ack_o</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/vga_mem_rdrq" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/vga_mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">vga_mem_rdrq</obj_property> <obj_property name="ElementShortName">vga_mem_rdrq</obj_property>
<obj_property name="ObjectShortName">vga_mem_rdrq</obj_property> <obj_property name="ObjectShortName">vga_mem_rdrq</obj_property>
@@ -163,6 +68,37 @@
<obj_property name="ObjectShortName">vga_mem_dat_i[63:0]</obj_property> <obj_property name="ObjectShortName">vga_mem_dat_i[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property> <obj_property name="Radix">HEXRADIX</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_rdrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_rdrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_wrrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_wrrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_wrrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_adr[19:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_adr[19:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_o[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_o[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_sel" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_sel[7:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_sel[7:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_ack" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_ack</obj_property>
<obj_property name="ObjectShortName">wb_mem_ack</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_i[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_din" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_din" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_din[63:0]</obj_property> <obj_property name="ElementShortName">ddr_din[63:0]</obj_property>
<obj_property name="ObjectShortName">ddr_din[63:0]</obj_property> <obj_property name="ObjectShortName">ddr_din[63:0]</obj_property>
@@ -202,59 +138,53 @@
<obj_property name="ElementShortName">fifo_from_ddr_empty</obj_property> <obj_property name="ElementShortName">fifo_from_ddr_empty</obj_property>
<obj_property name="ObjectShortName">fifo_from_ddr_empty</obj_property> <obj_property name="ObjectShortName">fifo_from_ddr_empty</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_adr" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_rdrq" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_adr[19:0]</obj_property> <obj_property name="ElementShortName">p_rdrq[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_adr[19:0]</obj_property> <obj_property name="ObjectShortName">p_rdrq[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_rdrq" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_wrrq" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_rdrq</obj_property> <obj_property name="ElementShortName">p_wrrq[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_rdrq</obj_property> <obj_property name="ObjectShortName">p_wrrq[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_wrrq" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_ack" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_wrrq</obj_property> <obj_property name="ElementShortName">p_ack[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_wrrq</obj_property> <obj_property name="ObjectShortName">p_ack[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_dat_o" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_dat_o[63:0]</obj_property> <obj_property name="ElementShortName">p_adr[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_dat_o[63:0]</obj_property> <obj_property name="ObjectShortName">p_adr[1:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property> <obj_property name="Radix">HEXRADIX</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_ack" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_ack</obj_property> <obj_property name="ElementShortName">p_dat_o[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_ack</obj_property> <obj_property name="ObjectShortName">p_dat_o[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">cfe_mem_dat_i[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property> <obj_property name="Radix">HEXRADIX</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/vga_rdrq_reg" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">vga_rdrq_reg</obj_property> <obj_property name="ElementShortName">p_dat_i[1:0]</obj_property>
<obj_property name="ObjectShortName">vga_rdrq_reg</obj_property> <obj_property name="ObjectShortName">p_dat_i[1:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/vga_adr_reg" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/p_sel" type="array" db_ref_id="1">
<obj_property name="ElementShortName">vga_adr_reg[19:0]</obj_property> <obj_property name="ElementShortName">p_sel[1:0]</obj_property>
<obj_property name="ObjectShortName">vga_adr_reg[19:0]</obj_property> <obj_property name="ObjectShortName">p_sel[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/vga_rq_complete" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/rdrq_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">vga_rq_complete</obj_property> <obj_property name="ElementShortName">rdrq_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">vga_rq_complete</obj_property> <obj_property name="ObjectShortName">rdrq_reg[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_rdrq_reg" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wrrq_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_rdrq_reg</obj_property> <obj_property name="ElementShortName">wrrq_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_rdrq_reg</obj_property> <obj_property name="ObjectShortName">wrrq_reg[1:0]</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_wrrq_reg" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/adr_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_wrrq_reg</obj_property> <obj_property name="ElementShortName">adr_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_wrrq_reg</obj_property> <obj_property name="ObjectShortName">adr_reg[1:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_adr_reg" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/rq_complete" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cfe_adr_reg[19:0]</obj_property> <obj_property name="ElementShortName">rq_complete[1:0]</obj_property>
<obj_property name="ObjectShortName">cfe_adr_reg[19:0]</obj_property> <obj_property name="ObjectShortName">rq_complete[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/cfe_rq_complete" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">cfe_rq_complete</obj_property>
<obj_property name="ObjectShortName">cfe_rq_complete</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/dout_data_valid" type="logic" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/dout_data_valid" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">dout_data_valid</obj_property> <obj_property name="ElementShortName">dout_data_valid</obj_property>
@@ -292,320 +222,8 @@
<obj_property name="ElementShortName">in_write</obj_property> <obj_property name="ElementShortName">in_write</obj_property>
<obj_property name="ObjectShortName">in_write</obj_property> <obj_property name="ObjectShortName">in_write</obj_property>
</wvobject> </wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_adr_int" type="array" db_ref_id="1"> <wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/fifo_to_ddr_full_last" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">ddr_adr_int[22:0]</obj_property> <obj_property name="ElementShortName">fifo_to_ddr_full_last</obj_property>
<obj_property name="ObjectShortName">ddr_adr_int[22:0]</obj_property> <obj_property name="ObjectShortName">fifo_to_ddr_full_last</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_adr_dly" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_adr_dly[1:0]</obj_property>
<obj_property name="ObjectShortName">ddr_adr_dly[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_we_int" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">ddr_we_int</obj_property>
<obj_property name="ObjectShortName">ddr_we_int</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/ddr_we_dly" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_we_dly[1:0]</obj_property>
<obj_property name="ObjectShortName">ddr_we_dly[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/fifo_to_ddr_write_int" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_to_ddr_write_int</obj_property>
<obj_property name="ObjectShortName">fifo_to_ddr_write_int</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/fifo_to_ddr_write_dly" type="array" db_ref_id="1">
<obj_property name="ElementShortName">fifo_to_ddr_write_dly[1:0]</obj_property>
<obj_property name="ObjectShortName">fifo_to_ddr_write_dly[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/out_complete_dly" type="array" db_ref_id="1">
<obj_property name="ElementShortName">out_complete_dly[1:0]</obj_property>
<obj_property name="ObjectShortName">out_complete_dly[1:0]</obj_property>
</wvobject>
<wvobject fp_name="group124" type="group">
<obj_property name="label">CFE</obj_property>
<obj_property name="DisplayName">label</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_i</obj_property>
<obj_property name="ObjectShortName">wbs_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_o</obj_property>
<obj_property name="ObjectShortName">wbs_o</obj_property>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_o.dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.dat_o</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_o.ack_o" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.ack_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.ack_o</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_cc_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_cc_i</obj_property>
<obj_property name="ObjectShortName">wbs_cc_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/wbs_cc_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_cc_o</obj_property>
<obj_property name="ObjectShortName">wbs_cc_o</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">mem_adr[19:0]</obj_property>
<obj_property name="ObjectShortName">mem_adr[19:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">mem_rdrq</obj_property>
<obj_property name="ObjectShortName">mem_rdrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_wrrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">mem_wrrq</obj_property>
<obj_property name="ObjectShortName">mem_wrrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">mem_dat_o[63:0]</obj_property>
<obj_property name="ObjectShortName">mem_dat_o[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_ack" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">mem_ack</obj_property>
<obj_property name="ObjectShortName">mem_ack</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">mem_dat_i[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_tag" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_tag[31:0]</obj_property>
<obj_property name="ObjectShortName">cc_tag[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_lru" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_lru[31:0]</obj_property>
<obj_property name="ObjectShortName">cc_lru[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_valid" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_valid[31:0]</obj_property>
<obj_property name="ObjectShortName">cc_valid[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_dirty" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_dirty[31:0]</obj_property>
<obj_property name="ObjectShortName">cc_dirty[31:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_we" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">cc_we</obj_property>
<obj_property name="ObjectShortName">cc_we</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_wr_addr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_wr_addr[4:0]</obj_property>
<obj_property name="ObjectShortName">cc_wr_addr[4:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_rd_addr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_rd_addr[4:0]</obj_property>
<obj_property name="ObjectShortName">cc_rd_addr[4:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_tag_wr_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_tag_wr_data[29:0]</obj_property>
<obj_property name="ObjectShortName">cc_tag_wr_data[29:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_tag_rd_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_tag_rd_data[29:0]</obj_property>
<obj_property name="ObjectShortName">cc_tag_rd_data[29:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_lru_wr_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_lru_wr_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_lru_wr_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_lru_rd_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_lru_rd_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_lru_rd_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_valid_wr_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_valid_wr_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_valid_wr_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_valid_rd_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_valid_rd_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_valid_rd_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_dirty_wr_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_dirty_wr_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_dirty_wr_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cc_dirty_rd_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cc_dirty_rd_data[1:0]</obj_property>
<obj_property name="ObjectShortName">cc_dirty_rd_data[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/tags" type="array" db_ref_id="1">
<obj_property name="ElementShortName">tags[1:0]</obj_property>
<obj_property name="ObjectShortName">tags[1:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache[511:0]</obj_property>
<obj_property name="ObjectShortName">cache[511:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_wr_addr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_wr_addr[8:0]</obj_property>
<obj_property name="ObjectShortName">cache_wr_addr[8:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_rd_addr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_rd_addr[8:0]</obj_property>
<obj_property name="ObjectShortName">cache_rd_addr[8:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_wr_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_wr_data[63:0]</obj_property>
<obj_property name="ObjectShortName">cache_wr_data[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_rd_data" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_rd_data[63:0]</obj_property>
<obj_property name="ObjectShortName">cache_rd_data[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_bwe" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_bwe[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_bwe[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di7" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di7[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di7[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di6" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di6[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di6[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di5" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di5[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di5[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di4" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di4[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di4[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di3" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di3[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di3[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di2" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di2[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di2[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di1" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di1[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di1[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_di0" type="array" db_ref_id="1">
<obj_property name="ElementShortName">cache_di0[7:0]</obj_property>
<obj_property name="ObjectShortName">cache_di0[7:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_index" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_index[4:0]</obj_property>
<obj_property name="ObjectShortName">adr_index[4:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_offset" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_offset[2:0]</obj_property>
<obj_property name="ObjectShortName">adr_offset[2:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_tag" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_tag[14:0]</obj_property>
<obj_property name="ObjectShortName">adr_tag[14:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_tag_eq" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_tag_eq[1:0]</obj_property>
<obj_property name="ObjectShortName">adr_tag_eq[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/lru_eq0" type="array" db_ref_id="1">
<obj_property name="ElementShortName">lru_eq0[1:0]</obj_property>
<obj_property name="ObjectShortName">lru_eq0[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_tag_eq_num" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_tag_eq_num[0:0]</obj_property>
<obj_property name="ObjectShortName">adr_tag_eq_num[0:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/eject_num" type="array" db_ref_id="1">
<obj_property name="ElementShortName">eject_num[0:0]</obj_property>
<obj_property name="ObjectShortName">eject_num[0:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/update_lru" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">update_lru</obj_property>
<obj_property name="ObjectShortName">update_lru</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/set_dirty" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">set_dirty</obj_property>
<obj_property name="ObjectShortName">set_dirty</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/set_valid" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">set_valid</obj_property>
<obj_property name="ObjectShortName">set_valid</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_write" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">cache_write</obj_property>
<obj_property name="ObjectShortName">cache_write</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_from_mem" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">cache_from_mem</obj_property>
<obj_property name="ObjectShortName">cache_from_mem</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/eject_dirty" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">eject_dirty</obj_property>
<obj_property name="ObjectShortName">eject_dirty</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/set_invalid" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">set_invalid</obj_property>
<obj_property name="ObjectShortName">set_invalid</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/cache_to_mem" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">cache_to_mem</obj_property>
<obj_property name="ObjectShortName">cache_to_mem</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/user_cc" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">user_cc</obj_property>
<obj_property name="ObjectShortName">user_cc</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/adr_tag_eq_num_dirty" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">adr_tag_eq_num_dirty</obj_property>
<obj_property name="ObjectShortName">adr_tag_eq_num_dirty</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_offset" type="array" db_ref_id="1">
<obj_property name="ElementShortName">mem_offset[2:0]</obj_property>
<obj_property name="ObjectShortName">mem_offset[2:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_offset_dly" type="array" db_ref_id="1">
<obj_property name="ElementShortName">mem_offset_dly[2:0]</obj_property>
<obj_property name="ObjectShortName">mem_offset_dly[2:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_rdrq_int" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">mem_rdrq_int</obj_property>
<obj_property name="ObjectShortName">mem_rdrq_int</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/mem_wrrq_int" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">mem_wrrq_int</obj_property>
<obj_property name="ObjectShortName">mem_wrrq_int</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/user_cc_req_flush" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">user_cc_req_flush</obj_property>
<obj_property name="ObjectShortName">user_cc_req_flush</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/user_cc_req_inval" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">user_cc_req_inval</obj_property>
<obj_property name="ObjectShortName">user_cc_req_inval</obj_property>
</wvobject>
<wvobject fp_name="/wb_ddr_ctrl_wb_sc_tb/DUT/wb_ddr_ctrl_wb_sc_fe_1/user_cc_read" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">user_cc_read</obj_property>
<obj_property name="ObjectShortName">user_cc_read</obj_property>
</wvobject>
</wvobject> </wvobject>
</wave_config> </wave_config>

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wb_mem_bridge_tb.wcfg Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<wave_config>
<wave_state>
</wave_state>
<db_ref_list>
<db_ref path="./isim.wdb" id="1" type="auto">
<top_modules>
<top_module name="intercon_package" />
<top_module name="numeric_std" />
<top_module name="std_logic_1164" />
<top_module name="std_logic_1164_additions" />
<top_module name="textio" />
<top_module name="vcomponents" />
<top_module name="vital_primitives" />
<top_module name="vital_timing" />
<top_module name="vpkg" />
<top_module name="wb_mem_bridge_tb" />
</top_modules>
</db_ref>
</db_ref_list>
<WVObjectSize size="25" />
<wvobject fp_name="/wb_mem_bridge_tb/DUT/clk_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">clk_i</obj_property>
<obj_property name="ObjectShortName">clk_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/rst_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">rst_i</obj_property>
<obj_property name="ObjectShortName">rst_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_i</obj_property>
<obj_property name="ObjectShortName">wbs_i</obj_property>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.dat_i</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.we_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.we_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.we_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.sel_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.sel_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.sel_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.adr_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.adr_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.adr_i</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.cyc_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.cyc_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.cyc_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_i.stb_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.stb_i</obj_property>
<obj_property name="ObjectShortName">wbs_i.stb_i</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wbs_o</obj_property>
<obj_property name="ObjectShortName">wbs_o</obj_property>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_o.dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">.dat_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.dat_o</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wbs_o.ack_o" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">.ack_o</obj_property>
<obj_property name="ObjectShortName">wbs_o.ack_o</obj_property>
</wvobject>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_rdrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_rdrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_wrrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_wrrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_wrrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_adr[19:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_adr[19:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_o[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_o[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_sel" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_sel[7:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_sel[7:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_ack" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_ack</obj_property>
<obj_property name="ObjectShortName">wb_mem_ack</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_i[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_dirty" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_dirty[63:0]</obj_property>
<obj_property name="ObjectShortName">buf_dirty[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_valid" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">buf_valid</obj_property>
<obj_property name="ObjectShortName">buf_valid</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_tag" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_tag[25:6]</obj_property>
<obj_property name="ObjectShortName">buf_tag[25:6]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_adr[2:0]</obj_property>
<obj_property name="ObjectShortName">buf_adr[2:0]</obj_property>
<obj_property name="Radix">UNSIGNEDDECRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_bwe" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_bwe[7:0]</obj_property>
<obj_property name="ObjectShortName">buf_bwe[7:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_hit" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">buf_hit</obj_property>
<obj_property name="ObjectShortName">buf_hit</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_dat_o[63:0]</obj_property>
<obj_property name="ObjectShortName">buf_dat_o[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">buf_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">buf_dat_i[63:0]</obj_property>
<obj_property name="Radix">HEXRADIX</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/wb_in_cyc" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_in_cyc</obj_property>
<obj_property name="ObjectShortName">wb_in_cyc</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/write_flush" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">write_flush</obj_property>
<obj_property name="ObjectShortName">write_flush</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/read_fill" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">read_fill</obj_property>
<obj_property name="ObjectShortName">read_fill</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/buf_wbwr" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">buf_wbwr</obj_property>
<obj_property name="ObjectShortName">buf_wbwr</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/DUT/ctr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ctr[2:0]</obj_property>
<obj_property name="ObjectShortName">ctr[2:0]</obj_property>
</wvobject>
<wvobject fp_name="group25" type="group">
<obj_property name="label">mem_ctrl</obj_property>
<obj_property name="DisplayName">label</obj_property>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/clk_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">clk_i</obj_property>
<obj_property name="ObjectShortName">clk_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/rst_i" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">rst_i</obj_property>
<obj_property name="ObjectShortName">rst_i</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/vga_mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">vga_mem_rdrq</obj_property>
<obj_property name="ObjectShortName">vga_mem_rdrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/vga_mem_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">vga_mem_adr[19:0]</obj_property>
<obj_property name="ObjectShortName">vga_mem_adr[19:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/vga_mem_ack" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">vga_mem_ack</obj_property>
<obj_property name="ObjectShortName">vga_mem_ack</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/vga_mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">vga_mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">vga_mem_dat_i[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_rdrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_rdrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_rdrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_wrrq" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_wrrq</obj_property>
<obj_property name="ObjectShortName">wb_mem_wrrq</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_adr[19:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_adr[19:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_o[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_o[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_sel" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_sel[7:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_sel[7:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_ack" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_ack</obj_property>
<obj_property name="ObjectShortName">wb_mem_ack</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wb_mem_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wb_mem_dat_i[63:0]</obj_property>
<obj_property name="ObjectShortName">wb_mem_dat_i[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/ddr_din" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_din[63:0]</obj_property>
<obj_property name="ObjectShortName">ddr_din[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/ddr_dout" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_dout[63:0]</obj_property>
<obj_property name="ObjectShortName">ddr_dout[63:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/ddr_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_adr[22:0]</obj_property>
<obj_property name="ObjectShortName">ddr_adr[22:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/ddr_we" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">ddr_we</obj_property>
<obj_property name="ObjectShortName">ddr_we</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/ddr_be" type="array" db_ref_id="1">
<obj_property name="ElementShortName">ddr_be[7:0]</obj_property>
<obj_property name="ObjectShortName">ddr_be[7:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/fifo_to_ddr_write" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_to_ddr_write</obj_property>
<obj_property name="ObjectShortName">fifo_to_ddr_write</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/fifo_from_ddr_read" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_from_ddr_read</obj_property>
<obj_property name="ObjectShortName">fifo_from_ddr_read</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/fifo_to_ddr_full" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_to_ddr_full</obj_property>
<obj_property name="ObjectShortName">fifo_to_ddr_full</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/fifo_from_ddr_empty" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_from_ddr_empty</obj_property>
<obj_property name="ObjectShortName">fifo_from_ddr_empty</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_rdrq" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_rdrq[1:0]</obj_property>
<obj_property name="ObjectShortName">p_rdrq[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_wrrq" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_wrrq[1:0]</obj_property>
<obj_property name="ObjectShortName">p_wrrq[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_ack" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_ack[1:0]</obj_property>
<obj_property name="ObjectShortName">p_ack[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_adr" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_adr[1:0]</obj_property>
<obj_property name="ObjectShortName">p_adr[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_dat_o" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_dat_o[1:0]</obj_property>
<obj_property name="ObjectShortName">p_dat_o[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_dat_i" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_dat_i[1:0]</obj_property>
<obj_property name="ObjectShortName">p_dat_i[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/p_sel" type="array" db_ref_id="1">
<obj_property name="ElementShortName">p_sel[1:0]</obj_property>
<obj_property name="ObjectShortName">p_sel[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/rdrq_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">rdrq_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">rdrq_reg[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/wrrq_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">wrrq_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">wrrq_reg[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/adr_reg" type="array" db_ref_id="1">
<obj_property name="ElementShortName">adr_reg[1:0]</obj_property>
<obj_property name="ObjectShortName">adr_reg[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/rq_complete" type="array" db_ref_id="1">
<obj_property name="ElementShortName">rq_complete[1:0]</obj_property>
<obj_property name="ObjectShortName">rq_complete[1:0]</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/dout_data_valid" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">dout_data_valid</obj_property>
<obj_property name="ObjectShortName">dout_data_valid</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/bus_owner" type="other" db_ref_id="1">
<obj_property name="ElementShortName">bus_owner</obj_property>
<obj_property name="ObjectShortName">bus_owner</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/bus_owner_reg" type="other" db_ref_id="1">
<obj_property name="ElementShortName">bus_owner_reg</obj_property>
<obj_property name="ObjectShortName">bus_owner_reg</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/out_ctr" type="other" db_ref_id="1">
<obj_property name="ElementShortName">out_ctr</obj_property>
<obj_property name="ObjectShortName">out_ctr</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/in_ctr" type="other" db_ref_id="1">
<obj_property name="ElementShortName">in_ctr</obj_property>
<obj_property name="ObjectShortName">in_ctr</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/out_complete" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">out_complete</obj_property>
<obj_property name="ObjectShortName">out_complete</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/in_complete" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">in_complete</obj_property>
<obj_property name="ObjectShortName">in_complete</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/in_read" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">in_read</obj_property>
<obj_property name="ObjectShortName">in_read</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/in_write" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">in_write</obj_property>
<obj_property name="ObjectShortName">in_write</obj_property>
</wvobject>
<wvobject fp_name="/wb_mem_bridge_tb/mem_ctrl_inst/fifo_to_ddr_full_last" type="logic" db_ref_id="1">
<obj_property name="ElementShortName">fifo_to_ddr_full_last</obj_property>
<obj_property name="ObjectShortName">fifo_to_ddr_full_last</obj_property>
</wvobject>
</wvobject>
</wave_config>