leon3mp.vhd
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| text/x-vhdl
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VhdlLexer
r129 | ----------------------------------------------------------------------------- | |||
-- LEON3 Xilinx SP605 Demonstration design | ||||
-- Copyright (C) 2011 Jiri Gaisler, Aeroflex Gaisler | ||||
------------------------------------------------------------------------------ | ||||
-- This file is a part of the GRLIB VHDL IP LIBRARY | ||||
-- Copyright (C) 2003 - 2008, Gaisler Research | ||||
-- Copyright (C) 2008 - 2011, Aeroflex Gaisler | ||||
-- | ||||
-- This program is free software; you can redistribute it and/or modify | ||||
-- it under the terms of the GNU General Public License as published by | ||||
-- the Free Software Foundation; either version 2 of the License, or | ||||
-- (at your option) any later version. | ||||
-- | ||||
-- This program is distributed in the hope that it will be useful, | ||||
-- but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
-- GNU General Public License for more details. | ||||
-- | ||||
-- You should have received a copy of the GNU General Public License | ||||
-- along with this program; if not, write to the Free Software | ||||
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------ | ||||
library ieee; | ||||
use ieee.std_logic_1164.all; | ||||
library grlib, techmap; | ||||
use grlib.amba.all; | ||||
use grlib.amba.all; | ||||
use grlib.stdlib.all; | ||||
use techmap.gencomp.all; | ||||
use techmap.allclkgen.all; | ||||
library gaisler; | ||||
use gaisler.memctrl.all; | ||||
use gaisler.leon3.all; | ||||
use gaisler.uart.all; | ||||
use gaisler.misc.all; | ||||
use gaisler.spi.all; | ||||
use gaisler.i2c.all; | ||||
use gaisler.can.all; | ||||
use gaisler.net.all; | ||||
use gaisler.jtag.all; | ||||
use gaisler.spacewire.all; | ||||
-- pragma translate_off | ||||
use gaisler.sim.all; | ||||
library unisim; | ||||
use unisim.ODDR2; | ||||
-- pragma translate_on | ||||
library esa; | ||||
use esa.memoryctrl.all; | ||||
use work.config.all; | ||||
entity leon3mp is | ||||
generic ( | ||||
fabtech : integer := CFG_FABTECH; | ||||
memtech : integer := CFG_MEMTECH; | ||||
padtech : integer := CFG_PADTECH; | ||||
clktech : integer := CFG_CLKTECH; | ||||
disas : integer := CFG_DISAS; -- Enable disassembly to console | ||||
dbguart : integer := CFG_DUART; -- Print UART on console | ||||
pclow : integer := CFG_PCLOW | ||||
); | ||||
port ( | ||||
reset : in std_ulogic; | ||||
clk27 : in std_ulogic; -- 27 MHz clock | ||||
clk200p : in std_ulogic; -- 200 MHz clock | ||||
clk200n : in std_ulogic; -- 200 MHz clock | ||||
clk33 : in std_ulogic; -- 32 MHz clock from sysace | ||||
address : out std_logic_vector(23 downto 0); | ||||
data : inout std_logic_vector(15 downto 0); | ||||
oen : out std_ulogic; | ||||
writen : out std_ulogic; | ||||
romsn : out std_logic; | ||||
txd1 : out std_ulogic; -- UART1 tx data | ||||
rxd1 : in std_ulogic; -- UART1 rx data | ||||
ctsn1 : in std_ulogic; -- UART1 ctsn | ||||
rtsn1 : out std_ulogic; -- UART1 trsn | ||||
button : inout std_logic_vector(3 downto 0); -- I/O port | ||||
switch : inout std_logic_vector(3 downto 0); -- I/O port | ||||
led : out std_logic_vector(3 downto 0) -- I/O port | ||||
); | ||||
end; | ||||
architecture rtl of leon3mp is | ||||
--attribute syn_netlist_hierarchy : boolean; | ||||
--attribute syn_netlist_hierarchy of rtl : architecture is false; | ||||
component ODDR2 | ||||
generic ( | ||||
DDR_ALIGNMENT : string := "NONE"; | ||||
INIT : bit := '0'; | ||||
SRTYPE : string := "SYNC" | ||||
); | ||||
port ( | ||||
Q : out std_ulogic; | ||||
C0 : in std_ulogic; | ||||
C1 : in std_ulogic; | ||||
CE : in std_ulogic := 'H'; | ||||
D0 : in std_ulogic; | ||||
D1 : in std_ulogic; | ||||
R : in std_ulogic := 'L'; | ||||
S : in std_ulogic := 'L' | ||||
); | ||||
end component; | ||||
constant blength : integer := 12; | ||||
constant fifodepth : integer := 8; | ||||
constant maxahbm : integer := CFG_NCPU+CFG_AHB_UART+CFG_GRETH+CFG_AHB_JTAG; | ||||
signal vcc, gnd : std_logic; | ||||
signal memi : memory_in_type; | ||||
signal memo : memory_out_type; | ||||
signal wpo : wprot_out_type; | ||||
signal sdi : sdctrl_in_type; | ||||
signal sdo : sdram_out_type; | ||||
signal sdo2, sdo3 : sdctrl_out_type; | ||||
signal apbi : apb_slv_in_type; | ||||
signal apbo : apb_slv_out_vector := (others => apb_none); | ||||
signal ahbsi : ahb_slv_in_type; | ||||
signal ahbso : ahb_slv_out_vector := (others => ahbs_none); | ||||
signal ahbmi : ahb_mst_in_type; | ||||
signal vahbmi : ahb_mst_in_type; | ||||
signal ahbmo : ahb_mst_out_vector := (others => ahbm_none); | ||||
signal vahbmo : ahb_mst_out_type; | ||||
signal clkm, rstn, rstraw, sdclkl : std_ulogic; | ||||
signal clk_200 : std_ulogic; | ||||
signal clk25, clk40, clk65 : std_ulogic; | ||||
signal cgi, cgi2 : clkgen_in_type; | ||||
signal cgo, cgo2 : clkgen_out_type; | ||||
signal u1i, u2i, dui : uart_in_type; | ||||
signal u1o, u2o, duo : uart_out_type; | ||||
signal irqi : irq_in_vector(0 to CFG_NCPU-1); | ||||
signal irqo : irq_out_vector(0 to CFG_NCPU-1); | ||||
signal dbgi : l3_debug_in_vector(0 to CFG_NCPU-1); | ||||
signal dbgo : l3_debug_out_vector(0 to CFG_NCPU-1); | ||||
signal dsui : dsu_in_type; | ||||
signal dsuo : dsu_out_type; | ||||
signal gpti : gptimer_in_type; | ||||
signal gpto : gptimer_out_type; | ||||
signal gpioi : gpio_in_type; | ||||
signal gpioo : gpio_out_type; | ||||
signal clklock, elock, ulock : std_ulogic; | ||||
signal lock, calib_done, clkml, lclk, rst, ndsuact : std_ulogic; | ||||
signal tck, tckn, tms, tdi, tdo : std_ulogic; | ||||
constant BOARD_FREQ : integer := 33000; -- input frequency in KHz | ||||
constant CPU_FREQ : integer := BOARD_FREQ * CFG_CLKMUL / CFG_CLKDIV; -- cpu frequency in KHz | ||||
constant IOAEN : integer := 0; | ||||
constant DDR2_FREQ : integer := 200000; -- DDR2 input frequency in KHz | ||||
signal stati : ahbstat_in_type; | ||||
signal fpi : grfpu_in_vector_type; | ||||
signal fpo : grfpu_out_vector_type; | ||||
signal clk_sel : std_logic_vector(1 downto 0); | ||||
signal clkvga, clkvga_p, clkvga_n : std_ulogic; | ||||
attribute keep : boolean; | ||||
attribute syn_keep : boolean; | ||||
attribute syn_preserve : boolean; | ||||
attribute syn_preserve of clkm : signal is true; | ||||
attribute keep of clkm : signal is true; | ||||
begin | ||||
---------------------------------------------------------------------- | ||||
--- Reset and Clock generation ------------------------------------- | ||||
---------------------------------------------------------------------- | ||||
vcc <= '1'; gnd <= '0'; | ||||
cgi.pllctrl <= "00"; cgi.pllrst <= rstraw; | ||||
clk_pad : clkpad generic map (tech => padtech) port map (clk33, lclk); | ||||
clkgen0 : clkgen -- clock generator | ||||
generic map (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN, | ||||
CFG_CLK_NOFB, 0, 0, 0, BOARD_FREQ) | ||||
port map (lclk, lclk, clkm, open, open, sdclkl, open, cgi, cgo, open, open, open); | ||||
reset_pad : inpad generic map (tech => padtech) port map (reset, rst); | ||||
rst0 : rstgen -- reset generator | ||||
generic map (acthigh => 1) | ||||
port map (rst, clkm, lock, rstn, rstraw); | ||||
lock <= cgo.clklock and calib_done when CFG_MIG_DDR2 = 1 else cgo.clklock; | ||||
---------------------------------------------------------------------- | ||||
--- AHB CONTROLLER -------------------------------------------------- | ||||
---------------------------------------------------------------------- | ||||
ahb0 : ahbctrl -- AHB arbiter/multiplexer | ||||
generic map (defmast => CFG_DEFMST, split => CFG_SPLIT, | ||||
rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO, | ||||
ioen => IOAEN, nahbm => maxahbm, nahbs => 16) | ||||
port map (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso); | ||||
---------------------------------------------------------------------- | ||||
--- LEON3 processor and DSU ----------------------------------------- | ||||
---------------------------------------------------------------------- | ||||
nosh : if CFG_GRFPUSH = 0 generate | ||||
nocpu: if CFG_NCPU>0 generate | ||||
cpu : for i in 0 to CFG_NCPU-1 generate | ||||
l3s : if CFG_LEON3FT_EN = 0 generate | ||||
u0 : leon3s -- LEON3 processor | ||||
generic map (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8, | ||||
0, CFG_MAC, pclow, CFG_NOTAG, CFG_NWP, CFG_ICEN, CFG_IREPL, CFG_ISETS, CFG_ILINE, | ||||
CFG_ISETSZ, CFG_ILOCK, CFG_DCEN, CFG_DREPL, CFG_DSETS, CFG_DLINE, CFG_DSETSZ, | ||||
CFG_DLOCK, CFG_DSNOOP, CFG_ILRAMEN, CFG_ILRAMSZ, CFG_ILRAMADDR, CFG_DLRAMEN, | ||||
CFG_DLRAMSZ, CFG_DLRAMADDR, CFG_MMUEN, CFG_ITLBNUM, CFG_DTLBNUM, CFG_TLB_TYPE, CFG_TLB_REP, | ||||
CFG_LDDEL, disas, CFG_ITBSZ, CFG_PWD, CFG_SVT, CFG_RSTADDR, CFG_NCPU-1, | ||||
CFG_DFIXED, CFG_SCAN, CFG_MMU_PAGE) | ||||
port map (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso, | ||||
irqi(i), irqo(i), dbgi(i), dbgo(i)); | ||||
end generate; | ||||
end generate; | ||||
led1_pad : odpad generic map (tech => padtech) port map (led(1), dbgo(0).error); | ||||
end generate; | ||||
end generate; | ||||
dsugen : if CFG_DSU = 1 generate | ||||
dsu0 : dsu3 -- LEON3 Debug Support Unit | ||||
generic map (hindex => 2, haddr => 16#900#, hmask => 16#F00#, | ||||
ncpu => CFG_NCPU, tbits => 30, tech => memtech, irq => 0, kbytes => CFG_ATBSZ) | ||||
port map (rstn, clkm, ahbmi, ahbsi, ahbso(2), dbgo, dbgi, dsui, dsuo); | ||||
dsui.enable <= '1'; | ||||
dsui.break <= button(3); | ||||
dsuact_pad : outpad generic map (tech => padtech) port map (led(0), ndsuact); | ||||
ndsuact <= not dsuo.active; | ||||
end generate; | ||||
nodsu : if CFG_DSU = 0 generate | ||||
dsuo.tstop <= '0'; dsuo.active <= '0'; ahbso(2) <= ahbs_none; | ||||
end generate; | ||||
---------------------------------------------------------------------- | ||||
--- Memory controllers ---------------------------------------------- | ||||
---------------------------------------------------------------------- | ||||
memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "01"; | ||||
memi.brdyn <= '0'; memi.bexcn <= '1'; | ||||
mctrl0 : mctrl generic map (hindex => 0, pindex => 0, | ||||
paddr => 0, srbanks => 2, ram8 => CFG_MCTRL_RAM8BIT, | ||||
ram16 => CFG_MCTRL_RAM16BIT, sden => CFG_MCTRL_SDEN, | ||||
invclk => CFG_CLK_NOFB, sepbus => CFG_MCTRL_SEPBUS, | ||||
pageburst => CFG_MCTRL_PAGE, rammask => 0, iomask => 0) | ||||
port map (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo, sdo); | ||||
addr_pad : outpadv generic map (width => 24, tech => padtech) | ||||
port map (address, memo.address(24 downto 1)); | ||||
roms_pad : outpad generic map (tech => padtech) | ||||
port map (romsn, memo.romsn(0)); | ||||
oen_pad : outpad generic map (tech => padtech) | ||||
port map (oen, memo.oen); | ||||
wri_pad : outpad generic map (tech => padtech) | ||||
port map (writen, memo.writen); | ||||
data_pad : iopadvv generic map (tech => padtech, width => 16) | ||||
port map (data(15 downto 0), memo.data(31 downto 16), | ||||
memo.vbdrive(31 downto 16), memi.data(31 downto 16)); | ||||
----------------------------------------------------------------------- | ||||
--- Test report module ---------------------------------------------- | ||||
----------------------------------------------------------------------- | ||||
-- pragma translate_off | ||||
test0 : ahbrep generic map (hindex => 6, haddr => 16#200#) | ||||
port map (rstn, clkm, ahbsi, ahbso(6)); | ||||
-- pragma translate_on | ||||
led(2) <= calib_done; | ||||
led(3) <= lock; | ||||
noddr : if CFG_MIG_DDR2 = 0 generate lock <= '1'; end generate; | ||||
---------------------------------------------------------------------- | ||||
--- APB Bridge and various periherals ------------------------------- | ||||
---------------------------------------------------------------------- | ||||
apb0 : apbctrl -- AHB/APB bridge | ||||
generic map (hindex => 1, haddr => CFG_APBADDR, nslaves => 16) | ||||
port map (rstn, clkm, ahbsi, ahbso(1), apbi, apbo ); | ||||
ua1 : if CFG_UART1_ENABLE /= 0 generate | ||||
uart1 : apbuart -- UART 1 | ||||
generic map (pindex => 1, paddr => 1, pirq => 2, console => dbguart, | ||||
fifosize => CFG_UART1_FIFO) | ||||
port map (rstn, clkm, apbi, apbo(1), u1i, u1o); | ||||
u1i.extclk <= '0'; | ||||
rxd1_pad : inpad generic map (tech => padtech) port map (rxd1, u1i.rxd); | ||||
txd1_pad : outpad generic map (tech => padtech) port map (txd1, u1o.txd); | ||||
cts1_pad : inpad generic map (tech => padtech) port map (ctsn1, u1i.ctsn); | ||||
rts1_pad : outpad generic map (tech => padtech) port map (rtsn1, u1o.rtsn); | ||||
end generate; | ||||
noua0 : if CFG_UART1_ENABLE = 0 generate apbo(1) <= apb_none; end generate; | ||||
nocpu: if CFG_NCPU>0 generate | ||||
irqctrl : if CFG_IRQ3_ENABLE /= 0 generate | ||||
irqctrl0 : irqmp -- interrupt controller | ||||
generic map (pindex => 2, paddr => 2, ncpu => CFG_NCPU) | ||||
port map (rstn, clkm, apbi, apbo(2), irqo, irqi); | ||||
end generate; | ||||
irq3 : if CFG_IRQ3_ENABLE = 0 generate | ||||
x : for i in 0 to CFG_NCPU-1 generate | ||||
irqi(i).irl <= "0000"; | ||||
end generate; | ||||
apbo(2) <= apb_none; | ||||
end generate; | ||||
gpt : if CFG_GPT_ENABLE /= 0 generate | ||||
timer0 : gptimer -- timer unit | ||||
generic map (pindex => 3, paddr => 3, pirq => CFG_GPT_IRQ, | ||||
sepirq => CFG_GPT_SEPIRQ, sbits => CFG_GPT_SW, ntimers => CFG_GPT_NTIM, | ||||
nbits => CFG_GPT_TW, wdog => 0) | ||||
port map (rstn, clkm, apbi, apbo(3), gpti, gpto); | ||||
gpti.dhalt <= dsuo.tstop; gpti.extclk <= '0'; | ||||
end generate; | ||||
end generate; | ||||
nogpt : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate; | ||||
gpio0 : if CFG_GRGPIO_ENABLE /= 0 generate -- GPIO unit | ||||
grgpio0: grgpio | ||||
generic map(pindex => 10, paddr => 10, imask => CFG_GRGPIO_IMASK, nbits => 7) | ||||
port map(rst => rstn, clk => clkm, apbi => apbi, apbo => apbo(10), | ||||
gpioi => gpioi, gpioo => gpioo); | ||||
pio_pads : for i in 0 to 3 generate | ||||
pio_pad : iopad generic map (tech => padtech) | ||||
port map (switch(i), gpioo.dout(i), gpioo.oen(i), gpioi.din(i)); | ||||
end generate; | ||||
pio_pads2 : for i in 4 to 6 generate | ||||
pio_pad : iopad generic map (tech => padtech) | ||||
port map (button(i-4), gpioo.dout(i), gpioo.oen(i), gpioi.din(i)); | ||||
end generate; | ||||
end generate; | ||||
ahbs : if CFG_AHBSTAT = 1 generate -- AHB status register | ||||
ahbstat0 : ahbstat generic map (pindex => 15, paddr => 15, pirq => 7, | ||||
nftslv => CFG_AHBSTATN) | ||||
port map (rstn, clkm, ahbmi, ahbsi, stati, apbi, apbo(15)); | ||||
end generate; | ||||
----------------------------------------------------------------------- | ||||
--- Boot message ---------------------------------------------------- | ||||
----------------------------------------------------------------------- | ||||
-- pragma translate_off | ||||
x : report_version | ||||
generic map ( | ||||
msg1 => "LEON3 Xilinx SP605 Demonstration design", | ||||
msg2 => "GRLIB Version " & tost(LIBVHDL_VERSION/1000) & "." & tost((LIBVHDL_VERSION mod 1000)/100) | ||||
& "." & tost(LIBVHDL_VERSION mod 100) & ", build " & tost(LIBVHDL_BUILD), | ||||
msg3 => "Target technology: " & tech_table(fabtech) & ", memory library: " & tech_table(memtech), | ||||
mdel => 1 | ||||
); | ||||
-- pragma translate_on | ||||
end; | ||||