leon3mp.vhd
325 lines
| 12.6 KiB
| text/x-vhdl
|
VhdlLexer
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ----------------------------------------------------------------------------- | |
-- LEON3 Demonstration design | |||
-- Copyright (C) 2004 Jiri Gaisler, Gaisler Research | |||
-- | |||
-- 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. | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | -- | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | -- 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. | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | -- | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | -- 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 | |||
------------------------------------------------------------------------------ | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | library ieee; | |
use ieee.std_logic_1164.all; | |||
library grlib; | |||
use grlib.amba.all; | |||
use grlib.stdlib.all; | |||
library techmap; | |||
use techmap.gencomp.all; | |||
library gaisler; | |||
use gaisler.memctrl.all; | |||
use gaisler.leon3.all; | |||
use gaisler.uart.all; | |||
use gaisler.misc.all; | |||
library esa; | |||
use esa.memoryctrl.all; | |||
use work.config.all; | |||
library lpp; | |||
use lpp.lpp_amba.all; | |||
use lpp.lpp_memory.all; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | --use lpp.lpp_uart.all; | |
--use lpp.lpp_matrix.all; | |||
--use lpp.lpp_usb.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 ( | |||
clk50MHz : in std_ulogic; | |||
reset : in std_ulogic; | |||
ramclk : out std_logic; | |||
ahbrxd : in std_ulogic; -- DSU rx data | |||
ahbtxd : out std_ulogic; -- DSU tx data | |||
dsubre : in std_ulogic; | |||
dsuact : out std_ulogic; | |||
urxd1 : in std_ulogic; -- UART1 rx data | |||
utxd1 : out std_ulogic; -- UART1 tx data | |||
errorn : out std_ulogic; | |||
address : out std_logic_vector(18 downto 0); | |||
data : inout std_logic_vector(31 downto 0); | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | nBWa : out std_logic; | |
nBWb : out std_logic; | |||
nBWc : out std_logic; | |||
nBWd : out std_logic; | |||
nBWE : out std_logic; | |||
nADSC : out std_logic; | |||
nADSP : out std_logic; | |||
nADV : out std_logic; | |||
nGW : out std_logic; | |||
nCE1 : out std_logic; | |||
CE2 : out std_logic; | |||
nCE3 : out std_logic; | |||
nOE : out std_logic; | |||
MODE : out std_logic; | |||
SSRAM_CLK : out std_logic; | |||
ZZ : out std_logic; | |||
led : out std_logic_vector(1 downto 0) | |||
); | |||
end; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | architecture Behavioral of leon3mp is | |
constant maxahbmsp : integer := CFG_NCPU+CFG_AHB_UART+ | |||
CFG_GRETH+CFG_AHB_JTAG; | |||
constant maxahbm : integer := maxahbmsp; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | --Clk & Rst g�n� | |
signal vcc : std_logic_vector(4 downto 0); | |||
signal gnd : std_logic_vector(4 downto 0); | |||
signal resetnl : std_ulogic; | |||
signal clk2x : std_ulogic; | |||
signal lclk : std_ulogic; | |||
signal lclk2x : std_ulogic; | |||
signal clkm : std_ulogic; | |||
signal rstn : std_ulogic; | |||
signal rstraw : std_ulogic; | |||
signal pciclk : std_ulogic; | |||
signal sdclkl : std_ulogic; | |||
signal cgi : clkgen_in_type; | |||
signal cgo : clkgen_out_type; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | --- AHB / APB | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | 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 ahbmo : ahb_mst_out_vector := (others => ahbm_none); | |||
--UART | |||
signal ahbuarti : uart_in_type; | |||
signal ahbuarto : uart_out_type; | |||
signal apbuarti : uart_in_type; | |||
signal apbuarto : uart_out_type; | |||
--MEM CTRLR | |||
signal memi : memory_in_type; | |||
signal memo : memory_out_type; | |||
signal wpo : wprot_out_type; | |||
signal sdo : sdram_out_type; | |||
--IRQ | |||
signal irqi : irq_in_vector(0 to CFG_NCPU-1); | |||
signal irqo : irq_out_vector(0 to CFG_NCPU-1); | |||
--Timer | |||
signal gpti : gptimer_in_type; | |||
signal gpto : gptimer_out_type; | |||
--GPIO | |||
signal gpioi : gpio_in_type; | |||
signal gpioo : gpio_out_type; | |||
--DSU | |||
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; | |||
---------------------------------------------------------------------- | |||
--- AJOUT TEST ------------------------Signaux---------------------- | |||
---------------------------------------------------------------------- | |||
-- TEST USB | |||
--signal USB_Read : std_logic; | |||
--signal USB_Write : std_logic; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | -- MATRICE SPECTRALE | |
--signal Matrix_Write : std_logic; | |||
--signal Matrix_Read : std_logic_vector(1 downto 0); | |||
--signal Matrix_Full : std_logic_vector(1 downto 0); | |||
--signal Matrix_Empty : std_logic_vector(1 downto 0); | |||
--signal Matrix_Data1 : std_logic_vector(15 downto 0); | |||
--signal Matrix_Data2 : std_logic_vector(15 downto 0); | |||
--signal Matrix_Result : std_logic_vector(31 downto 0); | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | --------------------------------------------------------------------- | |
constant IOAEN : integer := CFG_CAN; | |||
constant boardfreq : integer := 50000; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
begin | |||
---------------------------------------------------------------------- | |||
--- Reset and Clock generation ------------------------------------- | |||
---------------------------------------------------------------------- | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | vcc <= (others => '1'); gnd <= (others => '0'); | |
cgi.pllctrl <= "00"; cgi.pllrst <= rstraw; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ||
rst0 : rstgen port map (reset, clkm, cgo.clklock, rstn, rstraw); | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ||
clk_pad : clkpad generic map (tech => padtech) port map (clk50MHz, lclk2x); | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
clkgen0 : clkgen -- clock generator | |||
generic map (clktech, CFG_CLKMUL, CFG_CLKDIV, CFG_MCTRL_SDEN, | |||
CFG_CLK_NOFB, 0, 0, 0, boardfreq, 0, 0, CFG_OCLKDIV) | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | port map (lclk, lclk, clkm, open, clk2x, sdclkl, pciclk, cgi, cgo); | |
ramclk <= clkm; | |||
process(lclk2x) | |||
begin | |||
if lclk2x'event and lclk2x = '1' then | |||
lclk <= not lclk; | |||
end if; | |||
end process; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
---------------------------------------------------------------------- | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | --- LEON3 processor / DSU / IRQ ------------------------------------ | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ---------------------------------------------------------------------- | |
l3 : if CFG_LEON3 = 1 generate | |||
cpu : for i in 0 to CFG_NCPU-1 generate | |||
u0 : leon3s -- LEON3 processor | |||
generic map (i, fabtech, memtech, CFG_NWIN, CFG_DSU, CFG_FPU, CFG_V8, | |||
0, CFG_MAC, pclow, 0, 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) | |||
port map (clkm, rstn, ahbmi, ahbmo(i), ahbsi, ahbso, | |||
irqi(i), irqo(i), dbgi(i), dbgo(i)); | |||
end generate; | |||
errorn_pad : outpad generic map (tech => padtech) port map (errorn, dbgo(0).error); | |||
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); | |||
-- dsuen_pad : inpad generic map (tech => padtech) port map (dsuen, dsui.enable); | |||
dsui.enable <= '1'; | |||
dsubre_pad : inpad generic map (tech => padtech) port map (dsubre, dsui.break); | |||
dsuact_pad : outpad generic map (tech => padtech) port map (dsuact, dsuo.active); | |||
end generate; | |||
end generate; | |||
nodsu : if CFG_DSU = 0 generate | |||
ahbso(2) <= ahbs_none; dsuo.tstop <= '0'; dsuo.active <= '0'; | |||
end generate; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ||
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; | |||
---------------------------------------------------------------------- | |||
--- Memory controllers --------------------------------------------- | |||
---------------------------------------------------------------------- | |||
memctrlr : mctrl generic map (hindex => 0,pindex => 0, paddr => 0) | |||
port map (rstn, clkm, memi, memo, ahbsi, ahbso(0),apbi,apbo(0),wpo, sdo); | |||
memi.brdyn <= '1'; memi.bexcn <= '1'; | |||
memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "10"; | |||
bdr : for i in 0 to 3 generate | |||
data_pad : iopadv generic map (tech => padtech, width => 8) | |||
port map (data(31-i*8 downto 24-i*8), memo.data(31-i*8 downto 24-i*8), | |||
memo.bdrive(i), memi.data(31-i*8 downto 24-i*8)); | |||
end generate; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | addr_pad : outpadv generic map (width => 19, tech => padtech) | |
port map (address, memo.address(20 downto 2)); | |||
SSRAM_0:entity ssram_plugin | |||
generic map (tech => padtech) | |||
port map | |||
(clkm,memo,SSRAM_CLK,nBWa,nBWb,nBWc,nBWd,nBWE,nADSC,nADSP,nADV,nGW,nCE1,CE2,nCE3,nOE,MODE,ZZ); | |||
---------------------------------------------------------------------- | |||
--- 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 => 8) | |||
port map (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso); | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
---------------------------------------------------------------------- | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | --- AHB UART ------------------------------------------------------- | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ---------------------------------------------------------------------- | |
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | dcomgen : if CFG_AHB_UART = 1 generate | |
dcom0: ahbuart -- Debug UART | |||
generic map (hindex => CFG_NCPU, pindex => 7, paddr => 7) | |||
port map (rstn, clkm, ahbuarti, ahbuarto, apbi, apbo(7), ahbmi, ahbmo(CFG_NCPU)); | |||
dsurx_pad : inpad generic map (tech => padtech) port map (ahbrxd, ahbuarti.rxd); | |||
dsutx_pad : outpad generic map (tech => padtech) port map (ahbtxd, ahbuarto.txd); | |||
-- led(0) <= not ahbuarti.rxd; led(1) <= not ahbuarto.txd; | |||
end generate; | |||
nouah : if CFG_AHB_UART = 0 generate apbo(7) <= apb_none; end generate; | |||
---------------------------------------------------------------------- | |||
--- APB Bridge ----------------------------------------------------- | |||
---------------------------------------------------------------------- | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | apb0 : apbctrl -- AHB/APB bridge | |
generic map (hindex => 1, haddr => CFG_APBADDR) | |||
port map (rstn, clkm, ahbsi, ahbso(1), apbi, apbo ); | |||
---------------------------------------------------------------------- | |||
--- GPT Timer ------------------------------------------------------ | |||
---------------------------------------------------------------------- | |||
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) | |||
port map (rstn, clkm, apbi, apbo(3), gpti, gpto); | |||
gpti.dhalt <= dsuo.tstop; gpti.extclk <= '0'; | |||
-- led(4) <= gpto.wdog; | |||
end generate; | |||
notim : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate; | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r85 | ---------------------------------------------------------------------- | |
--- APB UART ------------------------------------------------------- | |||
---------------------------------------------------------------------- | |||
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), ahbuarti, apbuarto); | |||
apbuarti.rxd <= urxd1; apbuarti.extclk <= '0'; utxd1 <= apbuarto.txd; | |||
apbuarti.ctsn <= '0'; --rtsn1 <= apbuarto.rtsn; | |||
led(0) <= not apbuarti.rxd; led(1) <= not apbuarto.txd; | |||
end generate; | |||
noua0 : if CFG_UART1_ENABLE = 0 generate apbo(1) <= apb_none; end generate; | |||
--------------------------------------------------------------------- | |||
--- AJOUT TEST -------------------------------------IPs------------ | |||
--------------------------------------------------------------------- | |||
jeandet@PC-DE-JEANDET.lpp.polytechnique.fr
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r81 | ||
end Behavioral; |