URL
https://opencores.org/ocsvn/mips_enhanced/mips_enhanced/trunk
Subversion Repositories mips_enhanced
[/] [mips_enhanced/] [trunk/] [grlib-gpl-1.0.19-b3188/] [designs/] [leon3-altera-ep3sl150/] [leon3mp.vhd] - Rev 2
Compare with Previous | Blame | View Log
------------------------------------------------------------------------------ -- 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. -- -- 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; library techmap; use techmap.gencomp.all; library gaisler; use gaisler.memctrl.all; use gaisler.leon3.all; use gaisler.uart.all; use gaisler.net.all; use gaisler.misc.all; use gaisler.jtag.all; 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; ncpu : integer := CFG_NCPU; disas : integer := CFG_DISAS; -- Enable disassembly to console dbguart : integer := CFG_DUART; -- Print UART on console pclow : integer := CFG_PCLOW; freq : integer := 50000; -- frequency of main clock (used for PLLs) dbits : integer := CFG_DDR2SP_DATAWIDTH ); port ( resetn : in std_ulogic; clk : in std_ulogic; clk125 : in std_ulogic; errorn : out std_ulogic; -- debug support unit dsubren : in std_ulogic; dsuact : out std_ulogic; -- console/debug UART --rxd1 : in std_logic; --txd1 : out std_logic; gpio : in std_logic_vector(CFG_GRGPIO_WIDTH-1 downto 0); -- I/O port -- flash/ssram bus address : out std_logic_vector(24 downto 0); data : inout std_logic_vector(31 downto 0); rstoutn : out std_ulogic; sram_advn : out std_ulogic; sram_csn : out std_logic; sram_wen : out std_logic; sram_ben : out std_logic_vector (0 to 3); sram_oen : out std_ulogic; sram_clk : out std_ulogic; sram_psn : out std_ulogic; sram_wait : in std_logic_vector(1 downto 0); flash_clk : out std_ulogic; flash_advn : out std_logic; flash_cen : out std_logic; flash_oen : out std_logic; flash_resetn: out std_logic; flash_wen : out std_logic; max_csn : out std_logic; -- sram_adsp_n : out std_ulogic; -- pragma translate_off iosn : out std_ulogic; -- pragma translate_on ddr_clk : out std_logic_vector(2 downto 0); ddr_clkb : out std_logic_vector(2 downto 0); ddr_cke : out std_logic_vector(1 downto 0); ddr_csb : out std_logic_vector(1 downto 0); ddr_odt : out std_logic_vector(1 downto 0); 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 (8 downto 0); -- ddr dm ddr_dqsp : inout std_logic_vector (8 downto 0); -- ddr dqs ddr_dqsn : inout std_logic_vector (8 downto 0); -- ddr dqs ddr_ad : out std_logic_vector (15 downto 0); -- ddr address ddr_ba : out std_logic_vector (2 downto 0); -- ddr bank address ddr_dq : inout std_logic_vector (71 downto 0); -- ddr data -- ddra_cke : out std_logic; ddra_csb : out std_logic; -- ddra_web : out std_ulogic; -- ddr write enable -- ddra_rasb : out std_ulogic; -- ddr ras -- ddra_casb : out std_ulogic; -- ddr cas -- ddra_ad : out std_logic_vector (14 downto 0); -- ddr address -- ddra_ba : out std_logic_vector (2 downto 0); -- ddr bank address -- -- ddrb_cke : out std_logic; ddrb_csb : out std_logic; -- ddrb_web : out std_ulogic; -- ddr write enable -- ddrb_rasb : out std_ulogic; -- ddr ras -- ddrb_casb : out std_ulogic; -- ddr cas -- ddrb_ad : out std_logic_vector (14 downto 0); -- ddr address -- ddrb_ba : out std_logic_vector (2 downto 0); -- ddr bank address -- -- ddrab_clk : inout std_logic_vector(1 downto 0); -- ddrab_clkb : inout std_logic_vector(1 downto 0); -- ddrab_odt : out std_logic_vector(1 downto 0); -- ddrab_dqsp : inout std_logic_vector(1 downto 0); -- ddr dqs -- ddrab_dqsn : inout std_logic_vector(1 downto 0); -- ddr dqs -- ddrab_dm : out std_logic_vector(1 downto 0); -- ddr dm -- ddrab_dq : inout std_logic_vector (15 downto 0);-- ddr data phy_gtx_clk : out std_logic; phy_mii_data: inout std_logic; -- ethernet PHY interface phy_tx_clk : in std_ulogic; phy_rx_clk : in std_ulogic; phy_rx_data : in std_logic_vector(7 downto 0); phy_dv : in std_ulogic; phy_rx_er : in std_ulogic; phy_col : in std_ulogic; phy_crs : in std_ulogic; phy_tx_data : out std_logic_vector(7 downto 0); phy_tx_en : out std_ulogic; phy_tx_er : out std_ulogic; phy_mii_clk : out std_ulogic; phy_rst_n : out std_ulogic ); end; architecture rtl of leon3mp is constant blength : integer := 12; constant fifodepth : integer := 8; constant maxahbm : integer := NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_GRETH; signal vcc, gnd : std_logic_vector(7 downto 0); signal memi, smemi : memory_in_type; signal memo, smemo : memory_out_type; signal wpo : wprot_out_type; signal ddsi : ddrmem_in_type; signal ddso : ddrmem_out_type; signal ddrclkfb, ssrclkfb, ddr_clkl, ddr_clk90l, ddr_clknl, ddr_clk270l : std_ulogic; signal ddr_clkv : std_logic_vector(2 downto 0); signal ddr_clkbv : std_logic_vector(2 downto 0); signal ddr_ckev : std_logic_vector(1 downto 0); signal ddr_csbv : std_logic_vector(1 downto 0); signal ddr_adl : std_logic_vector (13 downto 0); signal clklock, lock, clkml, rst, ndsuact : std_ulogic; signal tck, tckn, tms, tdi, tdo : std_ulogic; signal ddrclk, ddrrst : std_ulogic; signal ddr_clk_fb : std_ulogic; -- -- DDR2 Device A&B -- signal ddrab_clkv : std_logic_vector(2 downto 0); -- signal ddrab_clkbv : std_logic_vector(2 downto 0); -- signal ddra_ckev : std_logic_vector(1 downto 0); -- signal ddra_csbv : std_logic_vector(1 downto 0); -- signal ddrb_ckev : std_logic_vector(1 downto 0); -- signal ddrb_csbv : std_logic_vector(1 downto 0); -- signal lockab : std_logic; -- signal clkmlab : std_logic; -- attribute syn_keep : boolean; -- attribute syn_preserve : boolean; -- attribute syn_keep of clkml : signal is true; -- attribute syn_preserve of clkml : signal is true; 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 clkm, rstn, sram_clkl : std_ulogic; signal cgi,cgi2 : clkgen_in_type; signal cgo,cgo2 : clkgen_out_type; signal u1i, dui : uart_in_type; signal u1o, duo : uart_out_type; signal irqi : irq_in_vector(0 to NCPU-1); signal irqo : irq_out_vector(0 to NCPU-1); signal dbgi : l3_debug_in_vector(0 to NCPU-1); signal dbgo : l3_debug_out_vector(0 to 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 ethclk, egtx_clk_fb : std_ulogic; signal egtx_clk, legtx_clk, l2egtx_clk : std_ulogic; signal gpti : gptimer_in_type; signal gpioi : gpio_in_type; signal gpioo : gpio_out_type; constant IOAEN : integer := 1; constant BOARD_FREQ : integer := 50000; -- input frequency in KHz constant CPU_FREQ : integer := BOARD_FREQ * CFG_CLKMUL / CFG_CLKDIV; -- cpu frequency in KHz signal lclk, lclkout, lclk125, clkm125 : std_ulogic; signal dsubre : std_ulogic; begin ---------------------------------------------------------------------- --- Reset and Clock generation ------------------------------------- ---------------------------------------------------------------------- vcc <= (others => '1'); gnd <= (others => '0'); cgi.pllctrl <= "00"; cgi.pllrst <= not resetn; cgi.pllref <= '0'; cgi2.pllctrl <= "00"; cgi2.pllrst <= not resetn; cgi2.pllref <= '0'; clklock <= cgo.clklock and lock; clk_pad : clkpad generic map (tech => padtech) port map (clk, lclk); clk125_pad : clkpad generic map (tech => padtech) port map (clk125, lclk125); clkgen0 : clkgen -- clock generator using toplevel generic 'freq' generic map (tech => CFG_CLKTECH, clk_mul => CFG_CLKMUL, clk_div => CFG_CLKDIV, sdramen => 1, freq => freq) port map (clkin => lclk, pciclkin => gnd(0), clk => clkm, clkn => open, clk2x => open, sdclk => sram_clkl, pciclk => open, cgi => cgi, cgo => cgo); clkm125 <= lclk125; phy_gtx_clk <= lclk125; ssrclk_pad : outpad generic map (tech => padtech, slew => 1, strength => 24) port map (sram_clk, sram_clkl); flashclk_pad : outpad generic map (tech => padtech, slew => 1, strength => 24) port map (flash_clk, sram_clkl); rst0 : rstgen -- reset generator port map (resetn, clkm, clklock, rstn); rstoutn <= resetn; ---------------------------------------------------------------------- --- 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); ---------------------------------------------------------------------- --- LEON3 processor and DSU ----------------------------------------- ---------------------------------------------------------------------- l3 : if CFG_LEON3 = 1 generate cpu : for i in 0 to 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, 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 => 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, dsui.break); dsuact_pad : outpad generic map (tech => padtech) port map (dsuact, dsuo.active); end generate; end generate; nodcom : if CFG_DSU = 0 generate ahbso(2) <= ahbs_none; end generate; -- dcomgen : if CFG_AHB_UART = 1 generate -- dcom0 : ahbuart -- Debug UART -- generic map (hindex => NCPU, pindex => 4, paddr => 7) -- port map (rstn, clkm, dui, duo, apbi, apbo(4), ahbmi, ahbmo(NCPU)); -- dsurx_pad : inpad generic map (tech => padtech) port map (rxd1, dui.rxd); -- dsutx_pad : outpad generic map (tech => padtech) port map (txd1, 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 => NCPU+CFG_AHB_UART) port map(rstn, clkm, tck, tms, tdi, tdo, ahbmi, ahbmo(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 => 0, pindex => 0, paddr => 0, ramaddr => 16#a00#, rammask =>16#F00#, srbanks => 1, sden => 0, ram16 => 1) port map (rstn, clkm, memi, memo, ahbsi, ahbso(0), apbi, apbo(0), wpo); end generate; memi.brdyn <= '1'; memi.bexcn <= '1'; memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "01"; mg0 : if (CFG_MCTRL_LEON2 + CFG_SSCTRL) = 0 generate -- no prom/sram pads apbo(0) <= apb_none; ahbso(0) <= ahbs_none; srams_pad : outpad generic map ( tech => padtech) port map (sram_csn, vcc(0)); flash_cen_pad : outpad generic map (tech => padtech) port map (flash_cen, vcc(0)); end generate; mgpads : if (CFG_MCTRL_LEON2 + CFG_SSCTRL) /= 0 generate -- prom/sram pads addr_pad : outpadv generic map (width => 25, tech => padtech) port map (address, memo.address(25 downto 1)); srams_pad : outpad generic map ( tech => padtech) port map (sram_csn, memo.ramsn(0)); sram_oen_pad : outpad generic map (tech => padtech) port map (sram_oen, memo.oen); sram_rwen_pad : outpadv generic map (width => 4, tech => padtech) port map (sram_ben, memo.wrn); sram_wri_pad : outpad generic map (tech => padtech) port map (sram_wen, memo.writen); data_pad : iopadvv generic map (tech => padtech, width => 32) port map (data(31 downto 0), memo.data(31 downto 0), memo.vbdrive, memi.data(31 downto 0)); sram_advn_pad : outpad generic map (tech => padtech) port map (sram_advn, gnd(0)); sram_psn_pad : outpad generic map (tech => padtech) port map (sram_psn, vcc(0)); flash_advn_pad : outpad generic map (tech => padtech) port map (flash_advn, gnd(0)); flash_cen_pad : outpad generic map (tech => padtech) port map (flash_cen, memo.romsn(0)); flash_oen_pad : outpad generic map (tech => padtech) port map (flash_oen, memo.oen); flash_wri_pad : outpad generic map (tech => padtech) port map (flash_wen, memo.writen); flash_reset_pad : outpad generic map (tech => padtech) port map (flash_resetn, resetn); -- pragma translate_off iosn_pad : outpad generic map (tech => padtech) port map (iosn, memo.iosn); -- pragma translate_on end generate; max_csn_pad : outpad generic map (tech => padtech) port map (max_csn, vcc(0)); ddrsp0 : if (CFG_DDR2SP /= 0) generate ddrc0 : ddr2spa generic map ( fabtech => fabtech, memtech => memtech, hindex => 3, haddr => 16#400#, hmask => 16#C00#, ioaddr => 1, pwron => CFG_DDR2SP_INIT, MHz => 125000/1000, rskew => 0, TRFC => CFG_DDR2SP_TRFC, clkmul => (CFG_DDR2SP_FREQ*5)/125, clkdiv => 5, ahbfreq => CPU_FREQ/1000, col => CFG_DDR2SP_COL, Mbyte => CFG_DDR2SP_SIZE, ddrbits => dbits, ddelayb0 => CFG_DDR2SP_DELAY0, ddelayb1 => CFG_DDR2SP_DELAY1, ddelayb2 => CFG_DDR2SP_DELAY2, ddelayb3 => CFG_DDR2SP_DELAY3, ddelayb4 => CFG_DDR2SP_DELAY4, ddelayb5 => CFG_DDR2SP_DELAY5, ddelayb6 => CFG_DDR2SP_DELAY6, ddelayb7 => CFG_DDR2SP_DELAY7, numidelctrl => 3, norefclk => 0, odten => 3, readdly => 1) port map ( resetn, rstn, clkm125, clkm, clkm125, lock, clkml, clkml, ahbsi, ahbso(3), ddr_clkv, ddr_clkbv, ddr_clk_fb, ddr_clk_fb, ddr_ckev, ddr_csbv, ddr_web, ddr_rasb, ddr_casb, ddr_dm(dbits/8-1 downto 0), ddr_dqsp(dbits/8-1 downto 0), ddr_dqsn(dbits/8-1 downto 0), ddr_ad(13 downto 0), ddr_ba(1 downto 0), ddr_dq(dbits-1 downto 0), ddr_odt); ddr_clk <= ddr_clkv(2 downto 0); ddr_clkb <= ddr_clkbv(2 downto 0); ddr_cke <= ddr_ckev(1 downto 0); ddr_csb <= ddr_csbv(1 downto 0); ddr_ad(15 downto 14) <= (others => '0'); ddr_ba(2) <= '0'; end generate; noddr : if (CFG_DDR2SP = 0) generate lock <= '1'; end generate; -- Disable DDR2 Device A and B ddra_csb <= '1'; ddrb_csb <= '1'; ----------------------------------------------------------------------- --- ETHERNET --------------------------------------------------------- ----------------------------------------------------------------------- eth1 : if CFG_GRETH = 1 generate -- Gaisler ethernet MAC e1 : grethm generic map(hindex => NCPU+CFG_AHB_UART+CFG_AHB_JTAG, pindex => 11, paddr => 11, pirq => 12, memtech => memtech, mdcscaler => CPU_FREQ/1000, enable_mdio => 1, fifosize => CFG_ETH_FIFO, nsync => 2, edcl => CFG_DSU_ETH, edclbufsz => CFG_ETH_BUF, macaddrh => CFG_ETH_ENM, macaddrl => CFG_ETH_ENL, phyrstadr => 18, ipaddrh => CFG_ETH_IPM, ipaddrl => CFG_ETH_IPL, giga => CFG_GRETH1G) port map( rst => rstn, clk => clkm, ahbmi => ahbmi, ahbmo => ahbmo(NCPU+CFG_AHB_UART+CFG_AHB_JTAG), apbi => apbi, apbo => apbo(11), ethi => ethi, etho => etho); emdio_pad : iopad generic map (tech => padtech) port map (phy_mii_data, etho.mdio_o, etho.mdio_oe, ethi.mdio_i); etxc_pad : clkpad generic map (tech => padtech, arch => 2) port map (phy_tx_clk, ethi.tx_clk); erxc_pad : clkpad generic map (tech => padtech, arch => 2) port map (phy_rx_clk, ethi.rx_clk); erxd_pad : inpadv generic map (tech => padtech, width => 8) port map (phy_rx_data, ethi.rxd(7 downto 0)); erxdv_pad : inpad generic map (tech => padtech) port map (phy_dv, ethi.rx_dv); erxer_pad : inpad generic map (tech => padtech) port map (phy_rx_er, ethi.rx_er); erxco_pad : inpad generic map (tech => padtech) port map (phy_col, ethi.rx_col); erxcr_pad : inpad generic map (tech => padtech) port map (phy_crs, ethi.rx_crs); etxd_pad : outpadv generic map (tech => padtech, width => 8) port map (phy_tx_data, etho.txd(7 downto 0)); etxen_pad : outpad generic map (tech => padtech) port map ( phy_tx_en, etho.tx_en); etxer_pad : outpad generic map (tech => padtech) port map (phy_tx_er, etho.tx_er); emdc_pad : outpad generic map (tech => padtech) port map (phy_mii_clk, etho.mdc); erst_pad : outpad generic map (tech => padtech) port map (phy_rst_n, rstn); ethi.gtx_clk <= egtx_clk; 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.ctsn <= '0'; u1i.extclk <= '0'; -- loopback u1i.rxd <= u1o.txd; --upads : if CFG_AHB_UART = 0 generate -- u1i.rxd <= rxd1; txd1 <= u1o.txd; --end generate; 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 => 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 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.active; 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 -- GPIO unit grgpio0: grgpio generic map(pindex => 5, paddr => 5, imask => CFG_GRGPIO_IMASK, nbits => CFG_GRGPIO_WIDTH) port map(rst => rstn, clk => clkm, apbi => apbi, apbo => apbo(5), gpioi => gpioi, gpioo => gpioo); pio_pads : for i in 0 to CFG_GRGPIO_WIDTH-1 generate gpioi.din(i) <= gpio(i); end generate; end generate; ----------------------------------------------------------------------- --- 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 => 7, haddr => CFG_AHBRADDR, tech => CFG_MEMTECH, kbytes => CFG_AHBRSZ) port map (rstn, clkm, ahbsi, ahbso(7)); end generate; nram : if CFG_AHBRAMEN = 0 generate ahbso(7) <= ahbs_none; end generate; ----------------------------------------------------------------------- --- Drive unused bus elements --------------------------------------- ----------------------------------------------------------------------- nam1 : for i in (NCPU+CFG_AHB_UART+CFG_AHB_JTAG+CFG_GRETH) to NAHBMST-1 generate ahbmo(i) <= ahbm_none; end generate; -- nap0 : for i in 6 to NAPBSLV-1 generate apbo(i) <= apb_none; end generate; -- nah0 : for i in 7 to NAHBSLV-1 generate ahbso(i) <= ahbs_none; end generate; -- invert signal for input via a key dsubre <= not dsubren; ----------------------------------------------------------------------- --- Boot message ---------------------------------------------------- ----------------------------------------------------------------------- -- pragma translate_off x : report_version generic map ( msg1 => "LEON3 Altera EP3SL150 PSRAM/DDR 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;