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fpga: Hookup Arty to litedram

Browse Source 
The old toplevel.vhdl becomes top-generic.vhdl, which is to be used
by platforms that do not have a litedram option.

Arty has its own top-arty.vhdl which supports litedram and is now
hooked up

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
jtag-port
Benjamin Herrenschmidt 5 years ago
parent 8bb3c8f8b6
commit 3ac815823c
4 changed files with 510 additions and 7 deletions
Show Stats Download Patch File Download Diff File

233
fpga/arty_a7.xdc
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set_property -dict { PACKAGE_PIN E3 IOSTANDARD LVCMOS33 } [get_ports { ext_clk }]; set_property -dict { PACKAGE_PIN E3 IOSTANDARD LVCMOS33 } [get_ports { ext_clk }];
create_clock -add -name sys_clk_pin -period 10.00 -waveform {0 5} [get_ports { ext_clk }]; create_clock -add -name sys_clk_pin -period 10.00 -waveform {0 5} [get_ports { ext_clk }];


set_property -dict { PACKAGE_PIN C2 IOSTANDARD LVCMOS33 } [get_ports { ext_rst }]; set_property -dict { PACKAGE_PIN C2 IOSTANDARD LVCMOS33 } [get_ports { ext_rst }];


set_property -dict { PACKAGE_PIN D10 IOSTANDARD LVCMOS33 } [get_ports { uart0_txd }]; set_property -dict { PACKAGE_PIN D10 IOSTANDARD LVCMOS33 } [get_ports { uart_main_tx }];
set_property -dict { PACKAGE_PIN A9 IOSTANDARD LVCMOS33 } [get_ports { uart0_rxd }]; set_property -dict { PACKAGE_PIN A9 IOSTANDARD LVCMOS33 } [get_ports { uart_main_rx }];

##Pmod Header JC: UART (bottom)

set_property -dict { PACKAGE_PIN U14 IOSTANDARD LVCMOS33 } [get_ports { uart_pmod_cts_n }];
set_property -dict { PACKAGE_PIN V14 IOSTANDARD LVCMOS33 } [get_ports { uart_pmod_tx }];
set_property -dict { PACKAGE_PIN T13 IOSTANDARD LVCMOS33 } [get_ports { uart_pmod_rx }];
set_property -dict { PACKAGE_PIN U13 IOSTANDARD LVCMOS33 } [get_ports { uart_pmod_rts_n }];

# LEDs
set_property -dict { PACKAGE_PIN E1 IOSTANDARD LVCMOS33 } [get_ports { led0_b }];
set_property -dict { PACKAGE_PIN F6 IOSTANDARD LVCMOS33 } [get_ports { led0_g }];
set_property -dict { PACKAGE_PIN G6 IOSTANDARD LVCMOS33 } [get_ports { led0_r }];

# DRAM (generated by LiteX)
## ddram:0.a
set_property LOC R2 [get_ports ddram_a[0]]
set_property SLEW FAST [get_ports ddram_a[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[0]]
## ddram:0.a
set_property LOC M6 [get_ports ddram_a[1]]
set_property SLEW FAST [get_ports ddram_a[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[1]]
## ddram:0.a
set_property LOC N4 [get_ports ddram_a[2]]
set_property SLEW FAST [get_ports ddram_a[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[2]]
## ddram:0.a
set_property LOC T1 [get_ports ddram_a[3]]
set_property SLEW FAST [get_ports ddram_a[3]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[3]]
## ddram:0.a
set_property LOC N6 [get_ports ddram_a[4]]
set_property SLEW FAST [get_ports ddram_a[4]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[4]]
## ddram:0.a
set_property LOC R7 [get_ports ddram_a[5]]
set_property SLEW FAST [get_ports ddram_a[5]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[5]]
## ddram:0.a
set_property LOC V6 [get_ports ddram_a[6]]
set_property SLEW FAST [get_ports ddram_a[6]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[6]]
## ddram:0.a
set_property LOC U7 [get_ports ddram_a[7]]
set_property SLEW FAST [get_ports ddram_a[7]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[7]]
## ddram:0.a
set_property LOC R8 [get_ports ddram_a[8]]
set_property SLEW FAST [get_ports ddram_a[8]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[8]]
## ddram:0.a
set_property LOC V7 [get_ports ddram_a[9]]
set_property SLEW FAST [get_ports ddram_a[9]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[9]]
## ddram:0.a
set_property LOC R6 [get_ports ddram_a[10]]
set_property SLEW FAST [get_ports ddram_a[10]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[10]]
## ddram:0.a
set_property LOC U6 [get_ports ddram_a[11]]
set_property SLEW FAST [get_ports ddram_a[11]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[11]]
## ddram:0.a
set_property LOC T6 [get_ports ddram_a[12]]
set_property SLEW FAST [get_ports ddram_a[12]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[12]]
## ddram:0.a
set_property LOC T8 [get_ports ddram_a[13]]
set_property SLEW FAST [get_ports ddram_a[13]]
set_property IOSTANDARD SSTL135 [get_ports ddram_a[13]]
## ddram:0.ba
set_property LOC R1 [get_ports ddram_ba[0]]
set_property SLEW FAST [get_ports ddram_ba[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[0]]
## ddram:0.ba
set_property LOC P4 [get_ports ddram_ba[1]]
set_property SLEW FAST [get_ports ddram_ba[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[1]]
## ddram:0.ba
set_property LOC P2 [get_ports ddram_ba[2]]
set_property SLEW FAST [get_ports ddram_ba[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_ba[2]]
## ddram:0.ras_n
set_property LOC P3 [get_ports ddram_ras_n]
set_property SLEW FAST [get_ports ddram_ras_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_ras_n]
## ddram:0.cas_n
set_property LOC M4 [get_ports ddram_cas_n]
set_property SLEW FAST [get_ports ddram_cas_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_cas_n]
## ddram:0.we_n
set_property LOC P5 [get_ports ddram_we_n]
set_property SLEW FAST [get_ports ddram_we_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_we_n]
## ddram:0.cs_n
set_property LOC U8 [get_ports ddram_cs_n]
set_property SLEW FAST [get_ports ddram_cs_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_cs_n]
## ddram:0.dm
set_property LOC L1 [get_ports ddram_dm[0]]
set_property SLEW FAST [get_ports ddram_dm[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dm[0]]
## ddram:0.dm
set_property LOC U1 [get_ports ddram_dm[1]]
set_property SLEW FAST [get_ports ddram_dm[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dm[1]]
## ddram:0.dq
set_property LOC K5 [get_ports ddram_dq[0]]
set_property SLEW FAST [get_ports ddram_dq[0]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[0]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[0]]
## ddram:0.dq
set_property LOC L3 [get_ports ddram_dq[1]]
set_property SLEW FAST [get_ports ddram_dq[1]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[1]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[1]]
## ddram:0.dq
set_property LOC K3 [get_ports ddram_dq[2]]
set_property SLEW FAST [get_ports ddram_dq[2]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[2]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[2]]
## ddram:0.dq
set_property LOC L6 [get_ports ddram_dq[3]]
set_property SLEW FAST [get_ports ddram_dq[3]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[3]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[3]]
## ddram:0.dq
set_property LOC M3 [get_ports ddram_dq[4]]
set_property SLEW FAST [get_ports ddram_dq[4]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[4]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[4]]
## ddram:0.dq
set_property LOC M1 [get_ports ddram_dq[5]]
set_property SLEW FAST [get_ports ddram_dq[5]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[5]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[5]]
## ddram:0.dq
set_property LOC L4 [get_ports ddram_dq[6]]
set_property SLEW FAST [get_ports ddram_dq[6]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[6]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[6]]
## ddram:0.dq
set_property LOC M2 [get_ports ddram_dq[7]]
set_property SLEW FAST [get_ports ddram_dq[7]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[7]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[7]]
## ddram:0.dq
set_property LOC V4 [get_ports ddram_dq[8]]
set_property SLEW FAST [get_ports ddram_dq[8]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[8]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[8]]
## ddram:0.dq
set_property LOC T5 [get_ports ddram_dq[9]]
set_property SLEW FAST [get_ports ddram_dq[9]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[9]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[9]]
## ddram:0.dq
set_property LOC U4 [get_ports ddram_dq[10]]
set_property SLEW FAST [get_ports ddram_dq[10]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[10]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[10]]
## ddram:0.dq
set_property LOC V5 [get_ports ddram_dq[11]]
set_property SLEW FAST [get_ports ddram_dq[11]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[11]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[11]]
## ddram:0.dq
set_property LOC V1 [get_ports ddram_dq[12]]
set_property SLEW FAST [get_ports ddram_dq[12]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[12]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[12]]
## ddram:0.dq
set_property LOC T3 [get_ports ddram_dq[13]]
set_property SLEW FAST [get_ports ddram_dq[13]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[13]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[13]]
## ddram:0.dq
set_property LOC U3 [get_ports ddram_dq[14]]
set_property SLEW FAST [get_ports ddram_dq[14]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[14]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[14]]
## ddram:0.dq
set_property LOC R3 [get_ports ddram_dq[15]]
set_property SLEW FAST [get_ports ddram_dq[15]]
set_property IOSTANDARD SSTL135 [get_ports ddram_dq[15]]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports ddram_dq[15]]
## ddram:0.dqs_p
set_property LOC N2 [get_ports ddram_dqs_p[0]]
set_property SLEW FAST [get_ports ddram_dqs_p[0]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_p[0]]
## ddram:0.dqs_p
set_property LOC U2 [get_ports ddram_dqs_p[1]]
set_property SLEW FAST [get_ports ddram_dqs_p[1]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_p[1]]
## ddram:0.dqs_n
set_property LOC N1 [get_ports ddram_dqs_n[0]]
set_property SLEW FAST [get_ports ddram_dqs_n[0]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_n[0]]
## ddram:0.dqs_n
set_property LOC V2 [get_ports ddram_dqs_n[1]]
set_property SLEW FAST [get_ports ddram_dqs_n[1]]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_dqs_n[1]]
## ddram:0.clk_p
set_property LOC U9 [get_ports ddram_clk_p]
set_property SLEW FAST [get_ports ddram_clk_p]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_clk_p]
## ddram:0.clk_n
set_property LOC V9 [get_ports ddram_clk_n]
set_property SLEW FAST [get_ports ddram_clk_n]
set_property IOSTANDARD DIFF_SSTL135 [get_ports ddram_clk_n]
## ddram:0.cke
set_property LOC N5 [get_ports ddram_cke]
set_property SLEW FAST [get_ports ddram_cke]
set_property IOSTANDARD SSTL135 [get_ports ddram_cke]
## ddram:0.odt
set_property LOC R5 [get_ports ddram_odt]
set_property SLEW FAST [get_ports ddram_odt]
set_property IOSTANDARD SSTL135 [get_ports ddram_odt]
## ddram:0.reset_n
set_property LOC K6 [get_ports ddram_reset_n]
set_property SLEW FAST [get_ports ddram_reset_n]
set_property IOSTANDARD SSTL135 [get_ports ddram_reset_n]

#Internal VREF
set_property INTERNAL_VREF 0.675 [get_iobanks 34]


set_property CONFIG_VOLTAGE 3.3 [current_design] set_property CONFIG_VOLTAGE 3.3 [current_design]
set_property CFGBVS VCCO [current_design] set_property CFGBVS VCCO [current_design]

244
fpga/top-arty.vhdl
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library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;

library unisim;
use unisim.vcomponents.all;

library work;
use work.wishbone_types.all;

entity toplevel is
generic (
MEMORY_SIZE : positive := 16384;
RAM_INIT_FILE : string := "firmware.hex";
RESET_LOW : boolean := true;
CLK_FREQUENCY : positive := 100000000;
USE_LITEDRAM : boolean := false;
DISABLE_FLATTEN_CORE : boolean := false
);
port(
ext_clk : in std_ulogic;
ext_rst : in std_ulogic;

-- UART0 signals:
uart_main_tx : out std_ulogic;
uart_main_rx : in std_ulogic;

-- DRAM UART signals (PMOD)
uart_pmod_tx : out std_ulogic;
uart_pmod_rx : in std_ulogic;
uart_pmod_cts_n : in std_ulogic;
uart_pmod_rts_n : out std_ulogic;

-- LEDs
led0_b : out std_ulogic;
led0_g : out std_ulogic;
led0_r : out std_ulogic;

-- DRAM wires
ddram_a : out std_ulogic_vector(13 downto 0);
ddram_ba : out std_ulogic_vector(2 downto 0);
ddram_ras_n : out std_ulogic;
ddram_cas_n : out std_ulogic;
ddram_we_n : out std_ulogic;
ddram_cs_n : out std_ulogic;
ddram_dm : out std_ulogic_vector(1 downto 0);
ddram_dq : inout std_ulogic_vector(15 downto 0);
ddram_dqs_p : inout std_ulogic_vector(1 downto 0);
ddram_dqs_n : inout std_ulogic_vector(1 downto 0);
ddram_clk_p : out std_ulogic;
ddram_clk_n : out std_ulogic;
ddram_cke : out std_ulogic;
ddram_odt : out std_ulogic;
ddram_reset_n : out std_ulogic
);
end entity toplevel;

architecture behaviour of toplevel is

-- Reset signals:
signal soc_rst : std_ulogic;
signal pll_rst : std_ulogic;

-- Internal clock signals:
signal system_clk : std_ulogic;
signal system_clk_locked : std_ulogic;

-- DRAM wishbone connection
signal wb_dram_in : wishbone_master_out;
signal wb_dram_out : wishbone_slave_out;
signal wb_dram_csr : std_ulogic;
signal wb_dram_init : std_ulogic;

-- Control/status
signal core_alt_reset : std_ulogic;

-- Status LED
signal led0_b_pwm : std_ulogic;
signal led0_r_pwm : std_ulogic;
signal led0_g_pwm : std_ulogic;

-- Dumb PWM for the LEDs, those RGB LEDs are too bright otherwise
signal pwm_counter : std_ulogic_vector(8 downto 0);
begin

uart_pmod_rts_n <= '0';

-- Main SoC
soc0: entity work.soc
generic map(
MEMORY_SIZE => MEMORY_SIZE,
RAM_INIT_FILE => RAM_INIT_FILE,
RESET_LOW => RESET_LOW,
SIM => false,
HAS_DRAM => USE_LITEDRAM,
DISABLE_FLATTEN_CORE => DISABLE_FLATTEN_CORE
)
port map (
system_clk => system_clk,
rst => soc_rst,
uart0_txd => uart_main_tx,
uart0_rxd => uart_main_rx,
wb_dram_in => wb_dram_in,
wb_dram_out => wb_dram_out,
wb_dram_csr => wb_dram_csr,
wb_dram_init => wb_dram_init,
alt_reset => core_alt_reset
);

nodram: if not USE_LITEDRAM generate
signal ddram_clk_dummy : std_ulogic;
begin
reset_controller: entity work.soc_reset
generic map(
RESET_LOW => RESET_LOW
)
port map(
ext_clk => ext_clk,
pll_clk => system_clk,
pll_locked_in => system_clk_locked,
ext_rst_in => ext_rst,
pll_rst_out => pll_rst,
rst_out => soc_rst
);

clkgen: entity work.clock_generator
generic map(
CLK_INPUT_HZ => 100000000,
CLK_OUTPUT_HZ => CLK_FREQUENCY
)
port map(
ext_clk => ext_clk,
pll_rst_in => pll_rst,
pll_clk_out => system_clk,
pll_locked_out => system_clk_locked
);

led0_b_pwm <= '1';
led0_r_pwm <= '1';
led0_g_pwm <= '0';
core_alt_reset <= '0';

-- Vivado barfs on those differential signals if left
-- unconnected. So instanciate a diff. buffer and feed
-- it a constant '0'.
dummy_dram_clk: OBUFDS
port map (
O => ddram_clk_p,
OB => ddram_clk_n,
I => ddram_clk_dummy
);
ddram_clk_dummy <= '0';

end generate;

has_dram: if USE_LITEDRAM generate
signal dram_init_done : std_ulogic;
signal dram_init_error : std_ulogic;
signal soc_rst_0 : std_ulogic;
signal soc_rst_1 : std_ulogic;
begin

-- Eventually dig out the frequency from the generator
-- but for now, assert it's 100Mhz
assert CLK_FREQUENCY = 100000000;

reset_controller: entity work.soc_reset
generic map(
RESET_LOW => RESET_LOW
)
port map(
ext_clk => ext_clk,
pll_clk => system_clk,
pll_locked_in => system_clk_locked,
ext_rst_in => ext_rst,
pll_rst_out => pll_rst,
rst_out => soc_rst_0
);

dram: entity work.litedram_wrapper
generic map(
DRAM_ABITS => 24,
DRAM_ALINES => 14
)
port map(
clk_in => ext_clk,
rst => pll_rst,
system_clk => system_clk,
system_reset => soc_rst_1,
core_alt_reset => core_alt_reset,
pll_locked => system_clk_locked,

wb_in => wb_dram_in,
wb_out => wb_dram_out,
wb_is_csr => wb_dram_csr,
wb_is_init => wb_dram_init,

serial_tx => uart_pmod_tx,
serial_rx => uart_pmod_rx,

init_done => dram_init_done,
init_error => dram_init_error,

ddram_a => ddram_a,
ddram_ba => ddram_ba,
ddram_ras_n => ddram_ras_n,
ddram_cas_n => ddram_cas_n,
ddram_we_n => ddram_we_n,
ddram_cs_n => ddram_cs_n,
ddram_dm => ddram_dm,
ddram_dq => ddram_dq,
ddram_dqs_p => ddram_dqs_p,
ddram_dqs_n => ddram_dqs_n,
ddram_clk_p => ddram_clk_p,
ddram_clk_n => ddram_clk_n,
ddram_cke => ddram_cke,
ddram_odt => ddram_odt,
ddram_reset_n => ddram_reset_n
);

led0_b_pwm <= not dram_init_done;
led0_r_pwm <= dram_init_error;
led0_g_pwm <= dram_init_done and not dram_init_error;
soc_rst <= soc_rst_0 or soc_rst_1;

end generate;

leds_pwm : process(system_clk)
begin
if rising_edge(system_clk) then
pwm_counter <= std_ulogic_vector(signed(pwm_counter) + 1);
if pwm_counter(8 downto 4) = "00000" then
led0_b <= led0_b_pwm;
led0_r <= led0_r_pwm;
led0_g <= led0_g_pwm;
else
led0_b <= '0';
led0_r <= '0';
led0_g <= '0';
end if;
end if;
end process;

end architecture behaviour;

0
fpga/toplevel.vhdl → fpga/top-generic.vhdl
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40
microwatt.core
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@ -55,7 +55,6 @@ filesets:
- fpga/pp_fifo.vhd - fpga/pp_fifo.vhd
- fpga/pp_soc_uart.vhd - fpga/pp_soc_uart.vhd
- fpga/pp_utilities.vhd - fpga/pp_utilities.vhd
- fpga/toplevel.vhdl
- fpga/firmware.hex : {copyto : firmware.hex, file_type : user} - fpga/firmware.hex : {copyto : firmware.hex, file_type : user}
file_type : vhdlSource-2008 file_type : vhdlSource-2008


@ -71,21 +70,25 @@ filesets:
files: files:
- fpga/nexys_a7.xdc : {file_type : xdc} - fpga/nexys_a7.xdc : {file_type : xdc}
- fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008} - fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008}
- fpga/top-generic.vhdl : {file_type : vhdlSource-2008}


nexys_video: nexys_video:
files: files:
- fpga/nexys-video.xdc : {file_type : xdc} - fpga/nexys-video.xdc : {file_type : xdc}
- fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008} - fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008}
- fpga/top-generic.vhdl : {file_type : vhdlSource-2008}


arty_a7: arty_a7:
files: files:
- fpga/arty_a7.xdc : {file_type : xdc} - fpga/arty_a7.xdc : {file_type : xdc}
- fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008} - fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008}
- fpga/top-arty.vhdl : {file_type : vhdlSource-2008}


cmod_a7-35: cmod_a7-35:
files: files:
- fpga/cmod_a7-35.xdc : {file_type : xdc} - fpga/cmod_a7-35.xdc : {file_type : xdc}
- fpga/clk_gen_mcmm.vhd : {file_type : vhdlSource-2008} - fpga/clk_gen_mcmm.vhd : {file_type : vhdlSource-2008}
- fpga/top-generic.vhdl : {file_type : vhdlSource-2008}


litedram: litedram:
depend : [":microwatt:litedram"] depend : [":microwatt:litedram"]
@ -117,7 +120,7 @@ targets:
vivado: {part : xc7a200tsbg484-1} vivado: {part : xc7a200tsbg484-1}
toplevel : toplevel toplevel : toplevel


arty_a7-35: arty_a7-35-nodram:
default_tool: vivado default_tool: vivado
filesets: [core, arty_a7, soc, fpga, debug_xilinx] filesets: [core, arty_a7, soc, fpga, debug_xilinx]
parameters : parameters :
@ -130,7 +133,20 @@ targets:
vivado: {part : xc7a35ticsg324-1L} vivado: {part : xc7a35ticsg324-1L}
toplevel : toplevel toplevel : toplevel


arty_a7-100: arty_a7-35:
default_tool: vivado
filesets: [core, arty_a7, soc, fpga, debug_xilinx, litedram]
parameters :
- memory_size
- ram_init_file
- use_litedram=true
- disable_flatten_core
generate: [dram_arty]
tools:
vivado: {part : xc7a35ticsg324-1L}
toplevel : toplevel

arty_a7-100-nodram:
default_tool: vivado default_tool: vivado
filesets: [core, arty_a7, soc, fpga, debug_xilinx] filesets: [core, arty_a7, soc, fpga, debug_xilinx]
parameters : parameters :
@ -143,6 +159,19 @@ targets:
vivado: {part : xc7a100ticsg324-1L} vivado: {part : xc7a100ticsg324-1L}
toplevel : toplevel toplevel : toplevel


arty_a7-100:
default_tool: vivado
filesets: [core, arty_a7, soc, fpga, debug_xilinx, litedram]
parameters:
- memory_size
- ram_init_file
- use_litedram=true
- disable_flatten_core
generate: [dram_arty]
tools:
vivado: {part : xc7a100ticsg324-1L}
toplevel : toplevel

cmod_a7-35: cmod_a7-35:
default_tool: vivado default_tool: vivado
filesets: [core, cmod_a7-35, soc, fpga, debug_xilinx] filesets: [core, cmod_a7-35, soc, fpga, debug_xilinx]
@ -163,6 +192,11 @@ targets:
vivado: {pnr : none} vivado: {pnr : none}
toplevel: core toplevel: core


generate:
dram_arty:
generator: litedram_gen
parameters: {board : arty}

parameters: parameters:
memory_size: memory_size:
datatype : int datatype : int

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