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leon3mp.vhd
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------------------------------------------------------------------------------
-- LEON3 Demonstration design
-- Copyright (C) 2006 Jiri Gaisler, Gaisler Research
------------------------------------------------------------------------------
-- This file is a part of the GRLIB VHDL IP LIBRARY
-- Copyright (C) 2003 - 2008, Gaisler Research
-- Copyright (C) 2008 - 2010, 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;
use grlib.amba.all;
use grlib.stdlib.all;
use grlib.devices.all;
library techmap;
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.net.all;
use gaisler.jtag.all;
library esa;
use esa.memoryctrl.all;
use work.config.all;
library lpp;
use lpp.amba_lcd_16x2_ctrlr.all;
use lpp.LCD_16x2_CFG.all;
use lpp.lpp_ad_conv.all;
use lpp.iir_filter.all;
use lpp.general_purpose.all;
use lpp.lpp_uart.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;
ddrfreq : integer := 100000 -- frequency of ddr clock in kHz
);
port (
reset : in std_ulogic;
-- resoutn : out std_logic;
clk_50mhz : in std_ulogic;
errorn : out std_ulogic;
-- prom interface
address : out std_logic_vector(23 downto 0);
data : inout std_logic_vector(15 downto 0);
romsn : out std_ulogic;
oen : out std_ulogic;
writen : out std_ulogic;
byten : out std_ulogic;
-- pragma translate_off
iosn : out std_ulogic;
testdata : inout std_logic_vector(15 downto 0);
-- pragma translate_on
-- ddr memory
ddr_clk0 : out std_logic;
ddr_clk0b : out std_logic;
-- ddr_clk_fb_out : out std_logic;
ddr_clk_fb : in std_logic;
ddr_cke0 : out std_logic;
ddr_cs0b : out std_logic;
ddr_web : out std_ulogic; -- ddr write enable
ddr_rasb : out std_ulogic; -- ddr ras
ddr_casb : out std_ulogic; -- ddr cas
ddr_dm : out std_logic_vector (1 downto 0); -- ddr dm
ddr_dqs : inout std_logic_vector (1 downto 0); -- ddr dqs
ddr_ad : out std_logic_vector (12 downto 0); -- ddr address
ddr_ba : out std_logic_vector (1 downto 0); -- ddr bank address
ddr_dq : inout std_logic_vector (15 downto 0); -- ddr data
-- debug support unit
dsuen : in std_ulogic;
dsubre : in std_ulogic;
-- dsuact : out std_ulogic;
dsurx : in std_ulogic;
dsutx : out std_ulogic;
-- UART for serial console I/O
urxd1 : in std_ulogic;
utxd1 : out std_ulogic;
-- ethernet signals
emdio : inout std_logic; -- ethernet PHY interface
etx_clk : in std_ulogic;
erx_clk : in std_ulogic;
erxd : in std_logic_vector(3 downto 0);
erx_dv : in std_ulogic;
erx_er : in std_ulogic;
erx_col : in std_ulogic;
erx_crs : in std_ulogic;
etxd : out std_logic_vector(3 downto 0);
etx_en : out std_ulogic;
etx_er : out std_ulogic;
emdc : out std_ulogic;
spi : out std_ulogic;
led : out std_logic_vector(5 downto 0);
ps2clk : inout std_logic;
ps2data : inout std_logic;
vid_hsync : out std_ulogic;
vid_vsync : out std_ulogic;
vid_r : out std_logic;
vid_g : out std_logic;
vid_b : out std_logic;
LCD_RS : out STD_LOGIC;
LCD_RW : out STD_LOGIC;
LCD_E : out STD_LOGIC;
LCD_RET : out STD_LOGIC;
LCD_CS1 : out STD_LOGIC;
LCD_CS2 : out STD_LOGIC;
SF_CE0 : out std_logic;
BTN_NORTH : in std_ulogic;
BTN_WEST : in std_ulogic;
ADC_SCK : out std_logic;
ADC_CNV : out std_logic;
ADC_SDI : in std_logic;
lppTXD : out std_logic;
lppRXD : in std_logic
);
end;
architecture rtl of leon3mp is
constant blength : integer := 12;
constant fifodepth : integer := 8;
signal vcc, gnd : std_logic_vector(4 downto 0);
signal memi : memory_in_type;
signal memo : memory_out_type;
signal wpo : wprot_out_type;
signal sdi : sdctrl_in_type;
signal sdo : sdctrl_out_type;
signal gpioi : gpio_in_type;
signal gpioo : gpio_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 ahbmo : ahb_mst_out_vector := (others => ahbm_none);
signal lclk : std_ulogic;
signal ddrclk, ddrrst, ddrclkfb : std_ulogic;
signal clkm, rstn, clkml, clk2x : std_ulogic;
signal cgi : clkgen_in_type;
signal cgo : clkgen_out_type;
signal u1i, dui : uart_in_type;
signal u1o, 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 ethi, ethi1, ethi2 : eth_in_type;
signal etho, etho1, etho2 : eth_out_type;
signal gpti : gptimer_in_type;
signal tck, tms, tdi, tdo : std_ulogic;
signal kbdi : ps2_in_type;
signal kbdo : ps2_out_type;
signal vgao : apbvga_out_type;
signal ldsubre : std_logic;
signal duart, ldsuen : std_logic;
signal rsertx, rserrx, rdsuen : std_logic;
signal rstraw : std_logic;
signal rstneg : std_logic;
signal rxd1, rxd2 : std_logic;
signal txd1 : std_logic;
signal lock : std_logic;
signal ddr_clk : std_logic_vector(2 downto 0);
signal ddr_clkb : std_logic_vector(2 downto 0);
signal ddr_cke : std_logic_vector(1 downto 0);
signal ddr_csb : std_logic_vector(1 downto 0);
signal ddr_adl : std_logic_vector(13 downto 0); -- ddr address
signal AD_in : AD7688_in(0 downto 0);
signal AD_out : AD7688_out;
signal smpclk_out : std_logic;
signal smpclk_in : std_logic;
signal sample_out : samplT(0 downto 0,11 downto 0);
signal sample_in : samplT(0 downto 0,11 downto 0);
signal sample_clk : std_logic;
signal sample_clk_out : std_logic;
attribute keep : boolean;
attribute syn_keep : boolean;
attribute syn_preserve : boolean;
attribute syn_keep of lock : signal is true;
attribute syn_keep of clkml : signal is true;
attribute syn_preserve of clkml : signal is true;
attribute keep of lock : signal is true;
attribute keep of clkml : signal is true;
attribute keep of clkm : signal is true;
constant BOARD_FREQ : integer := 50000; -- input frequency in KHz
constant CPU_FREQ : integer := BOARD_FREQ * CFG_CLKMUL / CFG_CLKDIV; -- cpu frequency in KHz
begin
----------------------------------------------------------------------
--- Reset and Clock generation -------------------------------------
----------------------------------------------------------------------
vcc <= (others => '1'); gnd <= (others => '0');
cgi.pllctrl <= "00"; cgi.pllrst <= rstraw;
rstneg <= not reset; spi <= '1';
rst0 : rstgen port map (rstneg, clkm, lock, rstn, rstraw);
led(5) <= lock;
clk_pad : clkpad generic map (tech => padtech) port map (clk_50mhz, lclk);
clkgen0 : clkgen -- clock generator
generic map (fabtech, CFG_CLKMUL, CFG_CLKDIV, 0, 0, 0, 0, 0, BOARD_FREQ, 0)
port map (lclk, gnd(0), clkm, open, open, open, open, cgi, cgo, open, open, clk2x);
-- cgo.clklock <= '1';
----------------------------------------------------------------------
--- AHB CONTROLLER --------------------------------------------------
----------------------------------------------------------------------
ahb0 : ahbctrl -- AHB arbiter/multiplexer
generic map (defmast => CFG_DEFMST, split => CFG_SPLIT,
rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO, ioen => 1,
nahbm => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_GRETH+CFG_SVGA_ENABLE,
nahbs => 8)
port map (rstn, clkm, ahbmi, ahbmo, ahbsi, ahbso);
----------------------------------------------------------------------
--- LEON3 processor and DSU -----------------------------------------
----------------------------------------------------------------------
leon3gen : 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;
error_pad : odpad 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);
dsui.enable <= '1';
dsubre_pad : inpad generic map (tech => padtech) port map (dsubre, ldsubre);
dsui.break <= ldsubre;
-- dsuact_pad : outpad generic map (tech => padtech) port map (dsuact, dsuo.active);
led(4) <= dsuo.active;
end generate;
end generate;
nodsu : if CFG_DSU = 0 generate
ahbso(2) <= ahbs_none; dsuo.tstop <= '0'; dsuo.active <= '0';
end generate;
dcomgen : if CFG_AHB_UART = 1 generate
dcom0 : ahbuart -- Debug UART
generic map (hindex => CFG_NCPU, pindex => 4, paddr => 7)
port map (rstn, clkm, dui, duo, apbi, apbo(4), ahbmi, ahbmo(CFG_NCPU));
dsurx_pad : inpad generic map (tech => padtech) port map (dsurx, rxd2);
dui.rxd <= rxd2;
dsutx_pad : outpad generic map (tech => padtech) port map (dsutx, duo.txd);
led(2) <= not rxd2; led(3) <= not duo.txd;
end generate;
nouah : if CFG_AHB_UART = 0 generate apbo(4) <= apb_none; end generate;
ahbjtaggen0 :if CFG_AHB_JTAG = 1 generate
ahbjtag0 : ahbjtag generic map(tech => fabtech, hindex => CFG_NCPU+CFG_AHB_UART)
port map(rstn, clkm, tck, tms, tdi, tdo, ahbmi, ahbmo(CFG_NCPU+CFG_AHB_UART),
open, open, open, open, open, open, open, gnd(0));
end generate;
----------------------------------------------------------------------
--- Memory controllers ----------------------------------------------
----------------------------------------------------------------------
mg2 : if CFG_MCTRL_LEON2 = 1 generate -- LEON2 memory controller
sr1 : mctrl generic map (hindex => 5, pindex => 0,
paddr => 0, srbanks => 1, ramaddr => 16#600#, rammask => 16#F00#, ram16 => 1 )
port map (rstn, clkm, memi, memo, ahbsi, ahbso(5), apbi, apbo(0), wpo, open);
end generate;
byten <= '1'; -- 16-bit flash
memi.brdyn <= '1'; memi.bexcn <= '1';
memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "01";
mg0 : if (CFG_MCTRL_LEON2 = 0) generate
apbo(0) <= apb_none; ahbso(0) <= ahbs_none;
roms_pad : outpad generic map (tech => padtech)
port map (romsn, vcc(0));
end generate;
mgpads : if (CFG_MCTRL_LEON2 /= 0) generate
addr_pad : outpadv generic map (width => 24, tech => padtech)
port map (address, memo.address(23 downto 0));
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);
-- pragma translate_off
iosn_pad : outpad generic map (tech => padtech)
port map (iosn, memo.iosn);
tbdr : for i in 0 to 1 generate
data_pad : iopadv generic map (tech => padtech, width => 8)
port map (testdata(15-i*8 downto 8-i*8), memo.data(15-i*8 downto 8-i*8),
memo.bdrive(i+2), memi.data(15-i*8 downto 8-i*8));
end generate;
-- pragma translate_on
-- bdr : for i in 0 to 1 generate
-- data_pad : iopadv generic map (tech => padtech, width => 8)
-- port map (data(15-i*8 downto 8-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;
end generate;
----------------------------------------------------------------------
--- DDR memory controller -------------------------------------------
----------------------------------------------------------------------
ddrsp0 : if (CFG_DDRSP /= 0) generate
ddrc : ddrspa generic map ( fabtech => spartan3e, memtech => memtech,
hindex => 4, haddr => 16#400#, hmask => 16#F00#, ioaddr => 1,
pwron => CFG_DDRSP_INIT, MHz => 2*BOARD_FREQ/1000, rskew => CFG_DDRSP_RSKEW,
clkmul => CFG_DDRSP_FREQ/10, clkdiv => 2*5, col => CFG_DDRSP_COL,
Mbyte => CFG_DDRSP_SIZE, ahbfreq => CPU_FREQ/1000, ddrbits => 16)
port map (
cgo.clklock, rstn, clk2x, clkm, lock, clkml, clkml, ahbsi, ahbso(4),
ddr_clk, ddr_clkb, open, ddr_clk_fb,
ddr_cke, ddr_csb, ddr_web, ddr_rasb, ddr_casb,
ddr_dm, ddr_dqs, ddr_adl, ddr_ba, ddr_dq);
ddr_clk0 <= ddr_clk(0); ddr_clk0b <= ddr_clkb(0);
ddr_cke0 <= ddr_cke(0); ddr_cs0b <= ddr_csb(0);
ddr_ad <= ddr_adl(12 downto 0);
end generate;
noddr : if (CFG_DDRSP = 0) generate lock <= '1'; end generate;
----------------------------------------------------------------------
--- APB Bridge and various periherals -------------------------------
----------------------------------------------------------------------
apb0 : apbctrl -- AHB/APB bridge
generic map (hindex => 1, haddr => CFG_APBADDR)
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.rxd <= rxd1; u1i.ctsn <= '0'; u1i.extclk <= '0'; txd1 <= u1o.txd;
serrx_pad : inpad generic map (tech => padtech) port map (urxd1, rxd1);
sertx_pad : outpad generic map (tech => padtech) port map (utxd1, txd1);
led(0) <= not rxd1; led(1) <= not txd1;
end generate;
noua0 : if CFG_UART1_ENABLE = 0 generate apbo(1) <= apb_none; end 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)
port map (rstn, clkm, apbi, apbo(3), gpti, open);
gpti.dhalt <= dsuo.tstop; gpti.extclk <= '0';
end generate;
notim : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate;
gpio0 : if CFG_GRGPIO_ENABLE /= 0 generate -- GR GPIO unit
grgpio0: grgpio
generic map( pindex => 11, paddr => 11, imask => CFG_GRGPIO_IMASK,
nbits => 12 --CFG_GRGPIO_WIDTH
)
port map( rstn, clkm, apbi, apbo(11), gpioi, gpioo);
end generate;
kbd : if CFG_KBD_ENABLE /= 0 generate
ps20 : apbps2 generic map(pindex => 5, paddr => 5, pirq => 5)
port map(rstn, clkm, apbi, apbo(5), kbdi, kbdo);
kbdclk_pad : iopad generic map (tech => padtech)
port map (ps2clk,kbdo.ps2_clk_o, kbdo.ps2_clk_oe, kbdi.ps2_clk_i);
kbdata_pad : iopad generic map (tech => padtech)
port map (ps2data, kbdo.ps2_data_o, kbdo.ps2_data_oe, kbdi.ps2_data_i);
end generate;
nokbd : if CFG_KBD_ENABLE = 0 generate
apbo(5) <= apb_none; kbdo <= ps2o_none;
end generate;
-- vga : if CFG_VGA_ENABLE /= 0 generate
-- vga0 : apbvga generic map(memtech => memtech, pindex => 6, paddr => 6)
-- port map(rstn, clkm, ethclk, apbi, apbo(6), vgao);
-- video_clock_pad : outpad generic map ( tech => padtech)
-- port map (vid_clock, dac_clk);
-- dac_clk <= not clkm;
-- end generate;
svga : if CFG_SVGA_ENABLE /= 0 generate
svga0 : svgactrl generic map(memtech => memtech, pindex => 6, paddr => 6,
hindex => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG,
clk0 => 1000000000/((BOARD_FREQ * CFG_CLKMUL)/CFG_CLKDIV),
clk1 => 0, clk2 => 0, burstlen => 5)
port map(rstn, clkm, clkm, apbi, apbo(6), vgao, ahbmi,
ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG), open);
end generate;
-- blank_pad : outpad generic map (tech => padtech)
-- port map (vid_blankn, vgao.blank);
-- comp_sync_pad : outpad generic map (tech => padtech)
-- port map (vid_syncn, vgao.comp_sync);
vert_sync_pad : outpad generic map (tech => padtech)
port map (vid_vsync, vgao.vsync);
horiz_sync_pad : outpad generic map (tech => padtech)
port map (vid_hsync, vgao.hsync);
video_out_r_pad : outpad generic map (tech => padtech)
port map (vid_r, vgao.video_out_r(7));
video_out_g_pad : outpad generic map (tech => padtech)
port map (vid_g, vgao.video_out_g(7));
video_out_b_pad : outpad generic map (tech => padtech)
port map (vid_b, vgao.video_out_b(7));
-----------------------------------------------------------------------
--- LCD CONTROLER ----------------------------------------------------
-----------------------------------------------------------------------
LCD0 : apb_lcd_ctrlr
generic map( 8, 8,16#fff#,0,8)
Port map( rstn,clkm,apbi, apbo(8),data(15 downto 8),LCD_RS,LCD_RW,LCD_E,LCD_RET,LCD_CS1,LCD_CS2,SF_CE0);
-----------------------------------------------------------------------
-------- LPP UART ----------------------------------------------------
-----------------------------------------------------------------------
LPPUART0: APB_UART
generic map( 12, 12,16#fff#,0,8,8)
port map(clkm,rstn,apbi, apbo(12),lppTXD,lppRXD);
-----------------------------------------------------------------------
--- ADS7886 ----------------------------------------------------
-----------------------------------------------------------------------
ADC0 : lpp_apb_ad_conv
generic map(9,9,16#fff#,0,8,1,50000,100,ADS7886)
Port map(clkm,rstn,apbi, apbo(9),AD_in,AD_out);
AD_in(0).SDI <= ADC_SDI;
ADC_CNV <= AD_out.CNV;
ADC_SCK <= AD_out.SCK;
-----------------------------------------------------------------------
--- I I R F I L T E R --------------------------------------------
-----------------------------------------------------------------------
smplclkgen: Clk_divider
generic map(40000000,1000)
Port map( clkm ,rstn,sample_clk);
FILTER0: APB_IIR_CEL
generic map(10,10,16#fff#,0,8,1,12,9,3,5,use_RAM)
port map(rstn,clkm,apbi, apbo(10),sample_clk,sample_clk_out,sample_in,sample_out
);
-----------------------------------------------------------------------
--- ETHERNET ---------------------------------------------------------
-----------------------------------------------------------------------
eth0 : if CFG_GRETH = 1 generate -- Gaisler ethernet MAC
e1 : grethm generic map(hindex => CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE,
pindex => 15, paddr => 15, pirq => 12, memtech => memtech,
mdcscaler => CPU_FREQ/1000, enable_mdio => 1, fifosize => CFG_ETH_FIFO,
nsync => 1, edcl => CFG_DSU_ETH, edclbufsz => CFG_ETH_BUF,
macaddrh => CFG_ETH_ENM, macaddrl => CFG_ETH_ENL,
ipaddrh => CFG_ETH_IPM, ipaddrl => CFG_ETH_IPL,
phyrstadr => 31, giga => CFG_GRETH1G)
port map( rst => rstn, clk => clkm, ahbmi => ahbmi,
ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_SVGA_ENABLE),
apbi => apbi, apbo => apbo(15), ethi => ethi, etho => etho);
emdio_pad : iopad generic map (tech => padtech)
port map (emdio, etho.mdio_o, etho.mdio_oe, ethi.mdio_i);
etxc_pad : inpad generic map (tech => padtech)
port map (etx_clk, ethi.tx_clk);
erxc_pad : inpad generic map (tech => padtech)
port map (erx_clk, ethi.rx_clk);
erxd_pad : inpadv generic map (tech => padtech, width => 4)
port map (erxd, ethi.rxd(3 downto 0));
erxdv_pad : inpad generic map (tech => padtech)
port map (erx_dv, ethi.rx_dv);
erxer_pad : inpad generic map (tech => padtech)
port map (erx_er, ethi.rx_er);
erxco_pad : inpad generic map (tech => padtech)
port map (erx_col, ethi.rx_col);
erxcr_pad : inpad generic map (tech => padtech)
port map (erx_crs, ethi.rx_crs);
etxd_pad : outpadv generic map (tech => padtech, width => 4)
port map (etxd, etho.txd(3 downto 0));
etxen_pad : outpad generic map (tech => padtech)
port map (etx_en, etho.tx_en);
etxer_pad : outpad generic map (tech => padtech)
port map (etx_er, etho.tx_er);
emdc_pad : outpad generic map (tech => padtech)
port map (emdc, etho.mdc);
end generate;
-----------------------------------------------------------------------
--- AHB DMA ----------------------------------------------------------
-----------------------------------------------------------------------
-- dma0 : ahbdma
-- generic map (hindex => CFG_NCPU+CFG_AHB_UART+CFG_GRETH,
-- pindex => 12, paddr => 12, dbuf => 32)
-- port map (rstn, clkm, apbi, apbo(12), ahbmi,
-- ahbmo(CFG_NCPU+CFG_AHB_UART+CFG_GRETH));
--
-- at0 : ahbtrace
-- generic map ( hindex => 7, ioaddr => 16#200#, iomask => 16#E00#,
-- tech => memtech, irq => 0, kbytes => 8)
-- port map ( rstn, clkm, ahbmi, ahbsi, ahbso(7));
-----------------------------------------------------------------------
--- AHB ROM ----------------------------------------------------------
-----------------------------------------------------------------------
bpromgen : if CFG_AHBROMEN /= 0 generate
brom : entity work.ahbrom
generic map (hindex => 6, haddr => CFG_AHBRODDR, pipe => CFG_AHBROPIP)
port map ( rstn, clkm, ahbsi, ahbso(6));
end generate;
nobpromgen : if CFG_AHBROMEN = 0 generate
ahbso(6) <= ahbs_none;
end generate;
-----------------------------------------------------------------------
--- AHB RAM ----------------------------------------------------------
-----------------------------------------------------------------------
ahbramgen : if CFG_AHBRAMEN = 1 generate
ahbram0 : ahbram generic map (hindex => 3, haddr => CFG_AHBRADDR,
tech => CFG_MEMTECH, kbytes => CFG_AHBRSZ)
port map (rstn, clkm, ahbsi, ahbso(3));
end generate;
nram : if CFG_AHBRAMEN = 0 generate ahbso(3) <= ahbs_none; end generate;
-----------------------------------------------------------------------
--- Drive unused bus elements ---------------------------------------
-----------------------------------------------------------------------
nam1 : for i in (CFG_NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_GRETH+CFG_SVGA_ENABLE+5) to NAHBMST-1 generate
ahbmo(i) <= ahbm_none;
end generate;
-- nap0 : for i in 9 to NAPBSLV-1-CFG_GRETH generate apbo(i) <= apb_none; end generate;
-- nah0 : for i in 8 to NAHBSLV-1 generate ahbso(i) <= ahbs_none; end generate;
-- resoutn <= rstn;
-----------------------------------------------------------------------
--- Boot message ----------------------------------------------------
-----------------------------------------------------------------------
-- pragma translate_off
x : report_version
generic map (
msg1 => "LEON3 Demonstration design for Digilent Spartan3E Eval board",
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 rtl;