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[/] [mips_enhanced/] [trunk/] [grlib-gpl-1.0.19-b3188/] [designs/] [leon3-ge-hpe-mini-lattice/] [leon3mini.vhd] - Rev 2
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------------------------------------------------------------------------------ -- 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 ------------------------------------------------------------------------------ -- modified by Thomas Ameseder, Gleichmann Electronics 2004, 2005 to -- support the use of an external AHB slave and different HPE board versions ------------------------------------------------------------------------------ -- further adapted from Hpe_compact to Hpe_mini (Feb. 2005) ------------------------------------------------------------------------------ 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; library gaisler; use gaisler.memctrl.all; use gaisler.leon3.all; use gaisler.uart.all; use gaisler.misc.all; use gaisler.net.all; library esa; use esa.memoryctrl.all; library gleichmann; use gleichmann.hpi.all; use gleichmann.multiio.all; use gleichmann.dac.all; use gleichmann.ge_clkgen.all; library ec; use ec.components.all; use work.config.all; entity leon3mini 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 cpufreq : integer := 50000; -- frequency of cpu/ahb clock in kHz boardfreq : string := "25" -- frequency of ddr clock in MHz ); port ( resetn : in std_ulogic; resoutn : out std_logic; clk : in std_ulogic; errorn : out std_ulogic; address : out std_logic_vector(24 downto 2); data : inout std_logic_vector(31 downto 0); ramsn : out std_ulogic; rben : out std_logic_vector(3 downto 0); romsn : out std_ulogic; -- iosn : out std_ulogic; oen : out std_ulogic; -- read : out std_ulogic; writen : out std_ulogic; romwpn : out std_ulogic; romrstn : out std_ulogic; -- ddr memory ddr_clk0 : out std_logic; ddr_clk0b : 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 (3 downto 0); -- ddr dm ddr_dqs : inout std_logic_vector (3 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 (31 downto 0); -- ddr data ddr_clk1 : out std_logic; -- ddr module 1 ddr_clk1b : out std_logic; -- ddr module 1 ddr_cke1 : out std_logic; -- ddr module 1 ddr_cs1b : out std_logic; -- ddr module 1 -- debug support unit -- dsuen : in std_ulogic; dsubre : in std_ulogic; -- dsuactn : out std_ulogic; -- UART for serial DCL/console I/O serrx : in std_ulogic; sertx : 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; -- sample_clock : out std_ulogic; ------------------------------------------------------------------------------- -- HPI PORT ------------------------------------------------------------------------------- hpiaddr : out std_logic_vector(1 downto 0); hpidata : inout std_logic_vector(15 downto 0); hpicsn : out std_ulogic; hpiwrn : out std_ulogic; hpirdn : out std_ulogic; hpiint : in std_ulogic; -- equality flag for R/W data -- dbg_equal : out std_ulogic; ------------------------------------------------------------------------------- ------------------------------------------------------------------------------------- -- IO SECTION ------------------------------------------------------------------------------------- dsw : in std_logic_vector(3 downto 0); led : out std_logic_vector(7 downto 0); -- 8 leds sevensegment : out std_logic_vector(9 downto 0); -- 7-segments and 2 strobes lcd_enable : out std_logic; lcd_regsel : out std_logic; lcd_rw : out std_logic; -- keyboard tst_col : out std_logic_vector(2 downto 0); -- column outputs tst_row : in std_logic_vector(3 downto 0); -- row inputs -- expansion connector signals exp_datao : out std_logic_vector(19 downto 0); exp_datai : in std_logic_vector(19 downto 0); -- audio codec codec_mode : out std_ulogic; codec_mclk : out std_ulogic; codec_sclk : out std_ulogic; codec_cs : out std_ulogic; codec_sdin : out std_ulogic; codec_din : out std_ulogic; -- I2S format serial data input to the sigma-delta stereo DAC codec_bclk : out std_ulogic; -- I2S serial-bit clock -- codec_dout : in std_ulogic; -- I2S format serial data output from the sigma-delta stereo ADC codec_lrcin : out std_ulogic; -- I2S DAC-word clock signal codec_lrcout : out std_ulogic; -- I2S ADC-word clock signal dac : out std_ulogic; vga_vsync : out std_ulogic; vga_hsync : out std_ulogic; vga_rd : out std_logic_vector(1 downto 0); vga_gr : out std_logic_vector(1 downto 0); vga_bl : out std_logic_vector(1 downto 0) ); end; architecture rtl of leon3mini is component clkgen_lattice generic ( clk_mul : string := "2"; clk_div : string := "1"; freq : string := "25"; -- clock frequency in MHz ddrclk_mul : string := "4"; ddrclk_div : string := "1"); port ( clkin : in std_logic; clk0 : out std_logic; -- main clock clk180 : out std_logic; -- main clock phase 180 clk270 : out std_logic; -- main clock phase 270 ddrclk : out std_logic; ddrclkb : out std_logic; clkm : out std_logic; cgi : in clkgen_in_type; cgo : out clkgen_out_type); end component; 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 : 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 ahbmo : ahb_mst_out_vector := (others => ahbm_none); signal ddrclk0, ddrclk90, ddrclk180, ddrclk270, ddrclk, ddrclkb : std_ulogic; signal clkm, rstn, sdclkl : 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; -- Adaptions for HPE Compact -- signal dsubre : std_logic; signal dsuact : std_logic; signal oen_ctrl : std_logic; signal shortcut : std_logic; signal rx : std_logic; signal tx : std_logic; signal duart, ldsuen : std_logic; signal rsertx, rserrx, rdsuen : std_logic; -- ram write enable, not needed on the port signal rwen : std_logic_vector(3 downto 0); signal rxd1 : std_logic; signal txd1 : std_logic; signal dsutx : std_ulogic; -- DSU tx data signal dsurx : std_ulogic; -- DSU rx data --------------------------------------------------------------------------------------- -- HPI SIGNALS --------------------------------------------------------------------------------------- -- signal hpiaddr : std_logic_vector(1 downto 0); -- signal hpidata : std_logic_vector(15 downto 0); -- signal hpicsn : std_ulogic; -- signal hpiwrn : std_ulogic; -- signal hpirdn : std_ulogic; -- signal hpiint : std_ulogic; signal hpiwriten : std_ulogic; -- intermediate signal signal hpirdata : std_logic_vector(15 downto 0); signal hpiwdata : std_logic_vector(15 downto 0); signal drive_bus : std_ulogic; signal dbg_rdata : std_logic_vector(15 downto 0); signal dbg_wdata : std_logic_vector(15 downto 0); --------------------------------------------------------------------------------------- signal vgao : apbvga_out_type; signal ddsi : ddrmem_in_type; signal ddso : ddrmem_out_type; constant modbanks : integer := CFG_DDRMP_NCS; -- Allowed: 1,2 (banks on module) constant numchips : integer := CFG_DDRMP_NDEV; -- Allowed: 1, 2, 4, 8, 16 constant chipbits : integer := CFG_DDRMP_NBITS; -- Allowed: 4, 8, 16 constant chipsize : integer := CFG_DDRMP_MBITS; -- Allowed: 64, 128, 256, 512, 1024 (Mbit) -- attribute syn_useioff : boolean; -- attribute syn_useioff of rtl : architecture is false; --------------------------------------------------------------------------------------- -- IO SECTION --------------------------------------------------------------------------------------- signal mioi : MultiIO_in_type; signal mioo : MultiIO_out_type; signal dsuactn : std_ulogic; -- signal errorn : std_ulogic; -- synplify attribute to flatten netlist attribute syn_netlist_hierarchy : boolean; attribute syn_netlist_hierarchy of rtl : architecture is false; begin romwpn <= '1'; romrstn <= rstn; ---------------------------------------------------------------------- --- Reset and Clock generation ------------------------------------- ---------------------------------------------------------------------- vcc <= (others => '1'); gnd <= (others => '0'); cgi.pllctrl <= "00"; cgi.pllrst <= not resetn; ddrclk90 <= '0'; sdclkl <= clkm; -- do not change the generics (ddr requirements) clkgen0 : clkgen_lattice -- clock generator generic map (freq => boardfreq, clk_mul => "1", clk_div => "1", ddrclk_mul => "4", ddrclk_div => "1") -- 25 MHz cpu clock and 100 MHz DDR clock port map (clkin => clk, clkm => clkm, clk0 => ddrclk0, clk180 => ddrclk180, clk270 => ddrclk270, ddrclk => ddrclk, ddrclkb => ddrclkb, cgi => cgi, cgo => cgo); ddrclk_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_clk0, ddrclk); ddrclkn_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_clk0b, ddrclkb); rst0 : rstgen port map (resetn, clkm, cgo.clklock, rstn); ---------------------------------------------------------------------- --- AHB CONTROLLER -------------------------------------------------- ---------------------------------------------------------------------- ahb0 : ahbctrl -- AHB arbiter/multiplexer generic map (defmast => CFG_DEFMST, split => CFG_SPLIT, rrobin => CFG_RROBIN, ioaddr => CFG_AHBIO, ioen => 1, nahbm => 4, 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 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 : 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); -- dsuen_pad : inpad generic map (tech => padtech) port map (dsuen, dsui.enable); dsui.enable <= '1'; -- **** tame: do not use inversion 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 => 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, dui.rxd); dsutx_pad : outpad generic map (tech => padtech) port map (dsutx, duo.txd); end generate; nouah : if CFG_AHB_UART = 0 generate apbo(4) <= apb_none; end generate; ---------------------------------------------------------------------- --- Memory controllers ---------------------------------------------- ---------------------------------------------------------------------- mg1 : if CFG_SRCTRL = 1 generate -- 32-bit PROM/SRAM controller sr0 : srctrl generic map (hindex => 5, ramws => CFG_SRCTRL_RAMWS, romws => CFG_SRCTRL_PROMWS, ramaddr => 16#400#, rmw => 1) port map (rstn, clkm, ahbsi, ahbso(5), memi, memo, sdo3); apbo(0) <= apb_none; end generate; 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#, sden => 0) port map (rstn, clkm, memi, memo, ahbsi, ahbso(5), apbi, apbo(0), wpo, sdo); end generate; memi.brdyn <= '1'; memi.bexcn <= '1'; memi.writen <= '1'; memi.wrn <= "1111"; memi.bwidth <= "10"; mg0 : if (CFG_MCTRL_LEON2 = 0) and (CFG_SRCTRL = 0) generate apbo(0) <= apb_none; ahbso(0) <= ahbs_none; rams_pad : outpad generic map (tech => padtech) port map (ramsn, vcc(0)); roms_pad : outpad generic map (tech => padtech) port map (romsn, vcc(0)); end generate; mgpads : if not ((CFG_MCTRL_LEON2 = 0) and (CFG_SRCTRL = 0)) generate addr_pad : outpadv generic map (width => 23, tech => padtech) port map (address, memo.address(24 downto 2)); rams_pad : outpad generic map (tech => padtech) port map (ramsn, memo.ramsn(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); rwen_pad : outpadv generic map (width => 4, tech => padtech) port map (rwen, memo.wrn); rben_pad : outpadv generic map (width => 4, tech => padtech) port map (rben, memo.mben); -- roen_pad : outpad generic map (tech => padtech) -- port map (ramoen, memo.ramoen(0)); wri_pad : outpad generic map (tech => padtech) port map (writen, memo.writen); -- read_pad : outpad generic map (tech => padtech) -- port map (read, memo.read); -- iosn_pad : outpad generic map (tech => padtech) -- port map (iosn, memo.iosn); 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; end generate; ---------------------------------------------------------------------- --- DDR memory controller ------------------------------------------- ---------------------------------------------------------------------- -- not tested/working at the moment ddr0 : if CFG_DDRMP_EN = 1 generate ddrc : ddrctrl generic map( hindex1 => 0, haddr1 => 16#600#, hmask1 => 16#FC0#, hindex2 => 7, haddr2 => 16#D00#, hmask2 => 16#FC0#, pindex => 8, paddr => 8, numahb => 1, ahb1sepclk => 1, ahb2sepclk => 1, modbanks => modbanks, numchips => numchips, chipbits => chipbits, chipsize => chipsize, plldelay => 1, tech => fabtech, clkperiod => (1000000/ddrfreq)) port map(rst => rstn, clk0 => ddrclk0, clk90 => ddrclk90, clk180 => ddrclk180, clk270 => ddrclk270, hclk1 => clkm, hclk2 => clkm, pclk => clkm, ahb1si => ahbsi, ahb1so => ahbso(0), ahb2si => ahbsi, ahb2so => open, apbsi => apbi, apbso => apbo(8), ddsi => ddsi, ddso => ddso); -- Outpads ddr_cke_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_cke0, ddsi.cke); ddr_csb_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_cs0b, ddsi.cs(0)); ddr_web_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_web, ddsi.control(0)); ddr_casb_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_casb, ddsi.control(1)); ddr_rasb_pad : outpad generic map (tech => padtech, level => sstl2_i) port map (ddr_rasb, ddsi.control(2)); ddr_dm_pad : outpadv generic map (tech => padtech, level => sstl2_i, width => 4) port map (ddr_dm, ddsi.dm(3 downto 0)); ddr_ad_pad : outpadv generic map (tech => padtech, level => sstl2_i, width => 13) port map (ddr_ad, ddsi.adr(12 downto 0)); ddr_ba_pad : outpadv generic map (tech => padtech, level => sstl2_i, width => 2) port map (ddr_ba, ddsi.ba); -- InOut-pads ddr_dq_pad : for i in 0 to 31 generate dq_pad : iopad generic map (tech => padtech, level => sstl2_ii) port map (pad => ddr_dq(i), i => ddsi.dq(i), en => ddsi.dq_oe(i), o => ddso.dq(i)); end generate; ddr_dqs_pad : for i in 0 to 3 generate dqs_pad : iopad generic map (tech => padtech, level => sstl2_ii) port map (pad => ddr_dqs(i), i => ddsi.dqs(i), en => ddsi.dqs_oe(i), o => ddso.dqs(i)); end generate; -- ddr module 1 ddr_clk1 <= '0'; ddr_clk1b <= '0'; ddr_cke1 <= '0'; ddr_cs1b <= '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; 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.active; gpti.extclk <= '0'; end generate; notim : if CFG_GPT_ENABLE = 0 generate apbo(3) <= apb_none; end generate; vga : if CFG_VGA_ENABLE /= 0 generate vga0 : apbvga generic map(memtech => memtech, pindex => 5, paddr => 5) port map(rstn, clkm, clk, apbi, apbo(5), vgao); end generate; novga : if CFG_VGA_ENABLE = 0 generate apbo(5) <= apb_none; vgao <= vgao_none; end generate; vert_sync_pad : outpad generic map (tech => padtech) port map (vga_vsync, vgao.vsync); horiz_sync_pad : outpad generic map (tech => padtech) port map (vga_hsync, vgao.hsync); video_out_r_pad : outpadv generic map (width => 2, tech => padtech) port map (vga_rd, vgao.video_out_r(7 downto 6)); video_out_g_pad : outpadv generic map (width => 2, tech => padtech) port map (vga_gr, vgao.video_out_g(7 downto 6)); video_out_b_pad : outpadv generic map (width => 2, tech => padtech) port map (vga_bl, vgao.video_out_b(7 downto 6)); ----------------------------------------------------------------------- --- MULTIIO SECTION -------------------------------------------------- ----------------------------------------------------------------------- MULTIIO : if CFG_MULTIIO /= 0 generate -- human interface controller mio : MultiIO_APB generic map ( pindex => 6, paddr => 6, pmask => 16#fff#, pirq => 6, clk_freq_in => cpufreq, led7act => '0', ledact => '0', switchact => '0', -- switch polarity is inverse to Hpe_compact buttonact => '1') port map ( rst_n => rstn, clk => clkm, apbi => apbi, apbo => apbo(6), MultiIO_in => mioi, MultiIO_out => mioo); mioi.switch_in <= "0000" & dsw; mioi.row_in <= tst_row; sevensegment <= mioo.led_ca_out(1) & -- 9 mioo.led_ca_out(0) & -- 8 mioo.led_dp_out & -- . mioo.led_g_out & -- . mioo.led_f_out & -- . mioo.led_e_out & mioo.led_d_out & mioo.led_c_out & mioo.led_b_out & mioo.led_a_out; -- 0 tst_col <= mioo.column_out; led <= mioo.led_out when dsubre = '0' else vcc(4 downto 0) & vcc(0) & (not dsuact) & dbgo(0).error; lcd_regsel <= mioo.lcd_regsel; lcd_rw <= mioo.lcd_rw; lcd_enable <= mioo.lcd_enable; -- expansion connector exp_datao <= mioo.exp_out; mioi.exp_in <= exp_datai; codec_mode <= mioo.codec_mode; codec_mclk <= mioo.codec_mclk; codec_sclk <= mioo.codec_sclk; codec_sdin <= mioo.codec_sdin; codec_cs <= mioo.codec_cs; codec_din <= mioo.codec_din; codec_bclk <= mioo.codec_bclk; codec_lrcin <= mioo.codec_lrcin; codec_lrcout <= mioo.codec_lrcout; end generate; nMULTIIO : if CFG_MULTIIO = 0 generate apbo(6) <= apb_none; end generate; ----------------------------------------------------------------------- --- ETHERNET --------------------------------------------------------- ----------------------------------------------------------------------- eth0 : if CFG_GRETH = 1 generate -- Gaisler ethernet MAC e1 : greth generic map(hindex => CFG_NCPU+CFG_AHB_UART, pindex => 15, paddr => 15, pirq => 12, memtech => memtech, mdcscaler => cpufreq/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) port map(rst => rstn, clk => clkm, ahbmi => ahbmi, ahbmo => ahbmo(CFG_NCPU+CFG_AHB_UART), 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; ----------------------------------------------------------------------------- -- HPI SECTION ----------------------------------------------------------------------------- ahb2hpi_inst : if CFG_AHB2HPI /= 0 generate ahb2hpi2_1 : ahb2hpi2 generic map ( counter_width => 4, data_width => 16, address_width => 2, hindex => 8, haddr => 16#240#, hmask => 16#fff#) port map ( HCLK => clkm, HRESETn => rstn, ahbso => ahbso(8), ahbsi => ahbsi, ADDR => hpiaddr, WDATA => hpiwdata, RDATA => hpirdata, nCS => hpicsn, nWR => hpiwriten, nRD => hpirdn, INT => hpiint, drive_bus => drive_bus); hpidata <= hpiwdata when drive_bus = '1' else (others => 'Z'); hpirdata <= hpidata; hpiwrn <= hpiwriten; end generate; nahb2hpi_inst : if CFG_AHB2HPI = 0 generate ahbso(8) <= ahbs_none; 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 => 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; ----------------------------------------------------------------------- --- AHB DAC IF ------------------------------------------------------- ----------------------------------------------------------------------- dac_ahb_inst : if CFG_DAC_AHB /= 0 generate dac_ahb_1 : dac_ahb generic map(length => 16, hindex => 4, haddr => 16#010#, hmask => 16#FFF#, tech => fabtech, kbytes => 1) port map(rst => rstn, clk => clkm, ahbsi => ahbsi, ahbso => ahbso(4), dac_out => dac); end generate; ndac_ahb_inst : if CFG_DAC_AHB = 0 generate ahbso(4) <= ahbs_none; end generate; ----------------------------------------------------------------------- --- Drive unused bus elements --------------------------------------- ----------------------------------------------------------------------- nam1 : for i in (CFG_NCPU+CFG_AHB_UART+CFG_GRETH) 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; ----------------------------------------------------------------------- --- Adaptions for HPE Mini ---------------------------------------- ----------------------------------------------------------------------- -- invert dsuact signal for output on LED dsuactn <= not dsuact; resoutn <= rstn; ----------------------------------------------------------------------- --- Boot message ---------------------------------------------------- ----------------------------------------------------------------------- -- pragma translate_off x : report_version generic map ( msg1 => "LEON3 Demonstration design for HPE_mini board", msg2 => "GRLIB Version " & tost(LIBVHDL_VERSION/100) & "." & tost((LIBVHDL_VERSION mod 10)/10) & "." & tost(LIBVHDL_VERSION mod 100), msg3 => "Target technology: " & tech_table(fabtech) & ", memory library: " & tech_table(memtech), mdel => 1 ); -- pragma translate_on dsuen_pad : inpad generic map (tech => padtech) port map ('1', ldsuen); duart <= rdsuen when CFG_AHB_UART /= 0 else '0'; rxd1 <= txd1 when duart = '1' else rserrx; rsertx <= dsutx when duart = '1' else txd1; dsurx <= rserrx when duart = '1' else '1'; p1 : process(clkm) begin if rising_edge(clkm) then sertx <= rsertx; rserrx <= serrx; rdsuen <= ldsuen; end if; end process; end rtl;