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Merge pull request #333 from ozbenh/wukong

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Add support for  QMTech Wukong v2 board
icbi-issue
Anton Blanchard 2 years ago committed by GitHub
parent c7579d74b0 d564672a82
commit 13439c76ba
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GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 35392 additions and 8586 deletions
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12
fpga/clk_gen_plle2.vhd
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@ -70,6 +70,18 @@ architecture rtl of clock_generator is
report "Unsupported output frequency" severity failure;
return bad_settings;
end case;
when 50000000 =>
case output_hz is
when 100000000 =>
return (clkin_period => 20.0,
clkfbout_mult => 32,
clkout_divide => 16,
divclk_divide => 1,
force_rst => '0');
when others =>
report "Unsupported output frequency" severity failure;
return bad_settings;
end case;
when others =>
report "Unsupported input frequency" severity failure;
return bad_settings;

579
fpga/top-wukong-v2.vhdl
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@ -0,0 +1,579 @@
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 : integer := 16384;
RAM_INIT_FILE : string := "firmware.hex";
RESET_LOW : boolean := true;
CLK_FREQUENCY : positive := 100000000;
HAS_FPU : boolean := true;
HAS_BTC : boolean := true;
HAS_SHORT_MULT : boolean := false;
USE_LITEDRAM : boolean := false;
NO_BRAM : boolean := false;
DISABLE_FLATTEN_CORE : boolean := false;
SPI_FLASH_OFFSET : integer := 4194304;
SPI_FLASH_DEF_CKDV : natural := 1;
SPI_FLASH_DEF_QUAD : boolean := true;
LOG_LENGTH : natural := 512;
USE_LITEETH : boolean := false;
UART_IS_16550 : boolean := true;
HAS_UART1 : boolean := false;
USE_LITESDCARD : boolean := false;
HAS_GPIO : boolean := false;
NGPIO : natural := 32
);
port(
ext_clk : in std_ulogic;
ext_rst_n : in std_ulogic;

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

-- LEDs
led0_n : out std_ulogic;
led1_n : out std_ulogic;

-- SPI
spi_flash_cs_n : out std_ulogic;
spi_flash_mosi : inout std_ulogic;
spi_flash_miso : inout std_ulogic;
spi_flash_wp_n : inout std_ulogic;
spi_flash_hold_n : inout std_ulogic;

-- Ethernet
eth_clocks_tx : in std_ulogic;
eth_clocks_gtx : out std_ulogic;
eth_clocks_rx : in std_ulogic;
eth_rst_n : out std_ulogic;
eth_mdio : inout std_ulogic;
eth_mdc : out std_ulogic;
eth_rx_dv : in std_ulogic;
eth_rx_er : in std_ulogic;
eth_rx_data : in std_ulogic_vector(7 downto 0);
eth_tx_en : out std_ulogic;
eth_tx_er : out std_ulogic;
eth_tx_data : out std_ulogic_vector(7 downto 0);
eth_col : in std_ulogic;
eth_crs : in std_ulogic;

-- SD card
sdcard_data : inout std_ulogic_vector(3 downto 0);
sdcard_cmd : inout std_ulogic;
sdcard_clk : out std_ulogic;
sdcard_cd : in 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_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;

-- External IOs from the SoC
signal wb_ext_io_in : wb_io_master_out;
signal wb_ext_io_out : wb_io_slave_out;
signal wb_ext_is_dram_csr : std_ulogic;
signal wb_ext_is_dram_init : std_ulogic;
signal wb_ext_is_eth : std_ulogic;
signal wb_ext_is_sdcard : std_ulogic;

-- DRAM main data wishbone connection
signal wb_dram_in : wishbone_master_out;
signal wb_dram_out : wishbone_slave_out;

-- DRAM control wishbone connection
signal wb_dram_ctrl_out : wb_io_slave_out := wb_io_slave_out_init;

-- LiteEth connection
signal ext_irq_eth : std_ulogic;
signal wb_eth_out : wb_io_slave_out := wb_io_slave_out_init;

-- LiteSDCard connection
signal ext_irq_sdcard : std_ulogic := '0';
signal wb_sdcard_out : wb_io_slave_out := wb_io_slave_out_init;
signal wb_sddma_out : wb_io_master_out := wb_io_master_out_init;
signal wb_sddma_in : wb_io_slave_out;
signal wb_sddma_nr : wb_io_master_out;
signal wb_sddma_ir : wb_io_slave_out;
-- for conversion from non-pipelined wishbone to pipelined
signal wb_sddma_stb_sent : std_ulogic;

-- Control/status
signal core_alt_reset : std_ulogic;

-- SPI flash
signal spi_sck : std_ulogic;
signal spi_cs_n : std_ulogic;
signal spi_sdat_o : std_ulogic_vector(3 downto 0);
signal spi_sdat_oe : std_ulogic_vector(3 downto 0);
signal spi_sdat_i : std_ulogic_vector(3 downto 0);

-- Fixup various memory sizes based on generics
function get_bram_size return natural is
begin
if USE_LITEDRAM and NO_BRAM then
return 0;
else
return MEMORY_SIZE;
end if;
end function;

function get_payload_size return natural is
begin
if USE_LITEDRAM and NO_BRAM then
return MEMORY_SIZE;
else
return 0;
end if;
end function;
constant BRAM_SIZE : natural := get_bram_size;
constant PAYLOAD_SIZE : natural := get_payload_size;
begin

-- Main SoC
soc0: entity work.soc
generic map(
MEMORY_SIZE => BRAM_SIZE,
RAM_INIT_FILE => RAM_INIT_FILE,
SIM => false,
CLK_FREQ => CLK_FREQUENCY,
HAS_FPU => HAS_FPU,
HAS_BTC => HAS_BTC,
HAS_SHORT_MULT => HAS_SHORT_MULT,
HAS_DRAM => USE_LITEDRAM,
DRAM_SIZE => 256 * 1024 * 1024,
DRAM_INIT_SIZE => PAYLOAD_SIZE,
DISABLE_FLATTEN_CORE => DISABLE_FLATTEN_CORE,
HAS_SPI_FLASH => true,
SPI_FLASH_DLINES => 4,
SPI_FLASH_OFFSET => SPI_FLASH_OFFSET,
SPI_FLASH_DEF_CKDV => SPI_FLASH_DEF_CKDV,
SPI_FLASH_DEF_QUAD => SPI_FLASH_DEF_QUAD,
LOG_LENGTH => LOG_LENGTH,
HAS_LITEETH => USE_LITEETH,
UART0_IS_16550 => UART_IS_16550,
HAS_UART1 => HAS_UART1,
HAS_SD_CARD => USE_LITESDCARD,
HAS_GPIO => HAS_GPIO,
NGPIO => NGPIO
)
port map (
-- System signals
system_clk => system_clk,
rst => soc_rst,

-- UART signals
uart0_txd => uart_main_tx,
uart0_rxd => uart_main_rx,

-- SPI signals
spi_flash_sck => spi_sck,
spi_flash_cs_n => spi_cs_n,
spi_flash_sdat_o => spi_sdat_o,
spi_flash_sdat_oe => spi_sdat_oe,
spi_flash_sdat_i => spi_sdat_i,

-- External interrupts
ext_irq_eth => ext_irq_eth,
ext_irq_sdcard => ext_irq_sdcard,

-- DRAM wishbone
wb_dram_in => wb_dram_in,
wb_dram_out => wb_dram_out,

-- IO wishbone
wb_ext_io_in => wb_ext_io_in,
wb_ext_io_out => wb_ext_io_out,
wb_ext_is_dram_csr => wb_ext_is_dram_csr,
wb_ext_is_dram_init => wb_ext_is_dram_init,
wb_ext_is_eth => wb_ext_is_eth,
wb_ext_is_sdcard => wb_ext_is_sdcard,

-- DMA wishbone
wishbone_dma_in => wb_sddma_in,
wishbone_dma_out => wb_sddma_out,

alt_reset => core_alt_reset
);

-- SPI Flash
spi_flash_cs_n <= spi_cs_n;
spi_flash_mosi <= spi_sdat_o(0) when spi_sdat_oe(0) = '1' else 'Z';
spi_flash_miso <= spi_sdat_o(1) when spi_sdat_oe(1) = '1' else 'Z';
spi_flash_wp_n <= spi_sdat_o(2) when spi_sdat_oe(2) = '1' else 'Z';
spi_flash_hold_n <= spi_sdat_o(3) when spi_sdat_oe(3) = '1' else 'Z';
spi_sdat_i(0) <= spi_flash_mosi;
spi_sdat_i(1) <= spi_flash_miso;
spi_sdat_i(2) <= spi_flash_wp_n;
spi_sdat_i(3) <= spi_flash_hold_n;

STARTUPE2_INST: STARTUPE2
port map (
CLK => '0',
GSR => '0',
GTS => '0',
KEYCLEARB => '0',
PACK => '0',
USRCCLKO => spi_sck,
USRCCLKTS => '0',
USRDONEO => '1',
USRDONETS => '0'
);

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_n,
pll_rst_out => pll_rst,
rst_out => soc_rst
);

clkgen: entity work.clock_generator
generic map(
CLK_INPUT_HZ => 50000000,
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
);

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 dram_sys_rst : std_ulogic;
signal rst_gen_rst : 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,
PLL_RESET_BITS => 18,
SOC_RESET_BITS => 1
)
port map(
ext_clk => ext_clk,
pll_clk => system_clk,
pll_locked_in => system_clk_locked,
ext_rst_in => ext_rst_n,
pll_rst_out => pll_rst,
rst_out => rst_gen_rst
);

-- Generate SoC reset
soc_rst_gen: process(system_clk)
begin
if ext_rst_n = '0' then
soc_rst <= '1';
elsif rising_edge(system_clk) then
soc_rst <= dram_sys_rst or not system_clk_locked;
end if;
end process;

dram: entity work.litedram_wrapper
generic map(
DRAM_ABITS => 24,
DRAM_ALINES => 14,
DRAM_DLINES => 16,
DRAM_PORT_WIDTH => 128,
PAYLOAD_FILE => RAM_INIT_FILE,
PAYLOAD_SIZE => PAYLOAD_SIZE
)
port map(
clk_in => ext_clk,
rst => pll_rst,
system_clk => system_clk,
system_reset => dram_sys_rst,
core_alt_reset => core_alt_reset,
pll_locked => system_clk_locked,

wb_in => wb_dram_in,
wb_out => wb_dram_out,
wb_ctrl_in => wb_ext_io_in,
wb_ctrl_out => wb_dram_ctrl_out,
wb_ctrl_is_csr => wb_ext_is_dram_csr,
wb_ctrl_is_init => wb_ext_is_dram_init,

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 => open,
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
);

end generate;

has_liteeth : if USE_LITEETH generate

component liteeth_core port (
sys_clock : in std_ulogic;
sys_reset : in std_ulogic;
gmii_eth_clocks_tx : in std_ulogic;
gmii_eth_clocks_gtx : out std_ulogic;
gmii_eth_clocks_rx : in std_ulogic;
gmii_eth_rst_n : out std_ulogic;
gmii_eth_mdio : inout std_ulogic;
gmii_eth_mdc : out std_ulogic;
gmii_eth_rx_dv : in std_ulogic;
gmii_eth_rx_er : in std_ulogic;
gmii_eth_rx_data : in std_ulogic_vector(7 downto 0);
gmii_eth_tx_en : out std_ulogic;
gmii_eth_tx_er : out std_ulogic;
gmii_eth_tx_data : out std_ulogic_vector(7 downto 0);
gmii_eth_col : in std_ulogic;
gmii_eth_crs : in std_ulogic;
wishbone_adr : in std_ulogic_vector(29 downto 0);
wishbone_dat_w : in std_ulogic_vector(31 downto 0);
wishbone_dat_r : out std_ulogic_vector(31 downto 0);
wishbone_sel : in std_ulogic_vector(3 downto 0);
wishbone_cyc : in std_ulogic;
wishbone_stb : in std_ulogic;
wishbone_ack : out std_ulogic;
wishbone_we : in std_ulogic;
wishbone_cti : in std_ulogic_vector(2 downto 0);
wishbone_bte : in std_ulogic_vector(1 downto 0);
wishbone_err : out std_ulogic;
interrupt : out std_ulogic
);
end component;

signal wb_eth_cyc : std_ulogic;
signal wb_eth_adr : std_ulogic_vector(29 downto 0);

-- Change this to use a PLL instead of a BUFR to generate the 25Mhz
-- reference clock to the PHY.
constant USE_PLL : boolean := false;
begin
liteeth : liteeth_core
port map(
sys_clock => system_clk,
sys_reset => soc_rst,
gmii_eth_clocks_tx => eth_clocks_tx,
gmii_eth_clocks_gtx => eth_clocks_gtx,
gmii_eth_clocks_rx => eth_clocks_rx,
gmii_eth_rst_n => eth_rst_n,
gmii_eth_mdio => eth_mdio,
gmii_eth_mdc => eth_mdc,
gmii_eth_rx_dv => eth_rx_dv,
gmii_eth_rx_er => eth_rx_er,
gmii_eth_rx_data => eth_rx_data,
gmii_eth_tx_en => eth_tx_en,
gmii_eth_tx_er => eth_tx_er,
gmii_eth_tx_data => eth_tx_data,
gmii_eth_col => eth_col,
gmii_eth_crs => eth_crs,
wishbone_adr => wb_eth_adr,
wishbone_dat_w => wb_ext_io_in.dat,
wishbone_dat_r => wb_eth_out.dat,
wishbone_sel => wb_ext_io_in.sel,
wishbone_cyc => wb_eth_cyc,
wishbone_stb => wb_ext_io_in.stb,
wishbone_ack => wb_eth_out.ack,
wishbone_we => wb_ext_io_in.we,
wishbone_cti => "000",
wishbone_bte => "00",
wishbone_err => open,
interrupt => ext_irq_eth
);

-- Gate cyc with "chip select" from soc
wb_eth_cyc <= wb_ext_io_in.cyc and wb_ext_is_eth;

-- Remove top address bits as liteeth decoder doesn't know about them
wb_eth_adr <= x"000" & "000" & wb_ext_io_in.adr(14 downto 0);

-- LiteETH isn't pipelined
wb_eth_out.stall <= not wb_eth_out.ack;

end generate;

no_liteeth : if not USE_LITEETH generate
ext_irq_eth <= '0';
end generate;

-- SD card pmod
has_sdcard : if USE_LITESDCARD generate
component litesdcard_core port (
clk : in std_ulogic;
rst : in std_ulogic;
-- wishbone for accessing control registers
wb_ctrl_adr : in std_ulogic_vector(29 downto 0);
wb_ctrl_dat_w : in std_ulogic_vector(31 downto 0);
wb_ctrl_dat_r : out std_ulogic_vector(31 downto 0);
wb_ctrl_sel : in std_ulogic_vector(3 downto 0);
wb_ctrl_cyc : in std_ulogic;
wb_ctrl_stb : in std_ulogic;
wb_ctrl_ack : out std_ulogic;
wb_ctrl_we : in std_ulogic;
wb_ctrl_cti : in std_ulogic_vector(2 downto 0);
wb_ctrl_bte : in std_ulogic_vector(1 downto 0);
wb_ctrl_err : out std_ulogic;
-- wishbone for SD card core to use for DMA
wb_dma_adr : out std_ulogic_vector(29 downto 0);
wb_dma_dat_w : out std_ulogic_vector(31 downto 0);
wb_dma_dat_r : in std_ulogic_vector(31 downto 0);
wb_dma_sel : out std_ulogic_vector(3 downto 0);
wb_dma_cyc : out std_ulogic;
wb_dma_stb : out std_ulogic;
wb_dma_ack : in std_ulogic;
wb_dma_we : out std_ulogic;
wb_dma_cti : out std_ulogic_vector(2 downto 0);
wb_dma_bte : out std_ulogic_vector(1 downto 0);
wb_dma_err : in std_ulogic;
-- connections to SD card
sdcard_data : inout std_ulogic_vector(3 downto 0);
sdcard_cmd : inout std_ulogic;
sdcard_clk : out std_ulogic;
sdcard_cd : in std_ulogic;
irq : out std_ulogic
);
end component;

signal wb_sdcard_cyc : std_ulogic;
signal wb_sdcard_adr : std_ulogic_vector(29 downto 0);

begin
litesdcard : litesdcard_core
port map (
clk => system_clk,
rst => soc_rst,
wb_ctrl_adr => wb_sdcard_adr,
wb_ctrl_dat_w => wb_ext_io_in.dat,
wb_ctrl_dat_r => wb_sdcard_out.dat,
wb_ctrl_sel => wb_ext_io_in.sel,
wb_ctrl_cyc => wb_sdcard_cyc,
wb_ctrl_stb => wb_ext_io_in.stb,
wb_ctrl_ack => wb_sdcard_out.ack,
wb_ctrl_we => wb_ext_io_in.we,
wb_ctrl_cti => "000",
wb_ctrl_bte => "00",
wb_ctrl_err => open,
wb_dma_adr => wb_sddma_nr.adr,
wb_dma_dat_w => wb_sddma_nr.dat,
wb_dma_dat_r => wb_sddma_ir.dat,
wb_dma_sel => wb_sddma_nr.sel,
wb_dma_cyc => wb_sddma_nr.cyc,
wb_dma_stb => wb_sddma_nr.stb,
wb_dma_ack => wb_sddma_ir.ack,
wb_dma_we => wb_sddma_nr.we,
wb_dma_cti => open,
wb_dma_bte => open,
wb_dma_err => '0',
sdcard_data => sdcard_data,
sdcard_cmd => sdcard_cmd,
sdcard_clk => sdcard_clk,
sdcard_cd => sdcard_cd,
irq => ext_irq_sdcard
);

-- Gate cyc with chip select from SoC
wb_sdcard_cyc <= wb_ext_io_in.cyc and wb_ext_is_sdcard;

wb_sdcard_adr <= x"0000" & wb_ext_io_in.adr(13 downto 0);

wb_sdcard_out.stall <= not wb_sdcard_out.ack;

-- Convert non-pipelined DMA wishbone to pipelined by suppressing
-- non-acknowledged strobes
process(system_clk)
begin
if rising_edge(system_clk) then
wb_sddma_out <= wb_sddma_nr;
if wb_sddma_stb_sent = '1' or
(wb_sddma_out.stb = '1' and wb_sddma_in.stall = '0') then
wb_sddma_out.stb <= '0';
end if;
if wb_sddma_nr.cyc = '0' or wb_sddma_ir.ack = '1' then
wb_sddma_stb_sent <= '0';
elsif wb_sddma_in.stall = '0' then
wb_sddma_stb_sent <= wb_sddma_nr.stb;
end if;
wb_sddma_ir <= wb_sddma_in;
end if;
end process;

end generate;

-- Mux WB response on the IO bus
wb_ext_io_out <= wb_eth_out when wb_ext_is_eth = '1' else
wb_sdcard_out when wb_ext_is_sdcard = '1' else
wb_dram_ctrl_out;

led0_n <= system_clk_locked;
led1_n <= not soc_rst;

end architecture behaviour;

487
fpga/wukong-v2.xdc
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@ -0,0 +1,487 @@
################################################################################
# clkin, reset, uart pins...
################################################################################

set_property -dict { PACKAGE_PIN M21 IOSTANDARD LVCMOS33 } [get_ports { ext_clk }];

set_property -dict { PACKAGE_PIN H7 IOSTANDARD LVCMOS33 } [get_ports { ext_rst_n }];

set_property -dict { PACKAGE_PIN E3 IOSTANDARD LVCMOS33 } [get_ports { uart_main_tx }];
set_property -dict { PACKAGE_PIN F3 IOSTANDARD LVCMOS33 } [get_ports { uart_main_rx }];

################################################################################
# LEDs
################################################################################

set_property -dict { PACKAGE_PIN V16 IOSTANDARD LVCMOS33 } [get_ports { led0_n }];
set_property -dict { PACKAGE_PIN V17 IOSTANDARD LVCMOS33 } [get_ports { led1_n }];

################################################################################
# SPI Flash
################################################################################ema

set_property -dict { PACKAGE_PIN P18 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_cs_n }];
set_property -dict { PACKAGE_PIN R14 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_mosi }];
set_property -dict { PACKAGE_PIN R15 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_miso }];
set_property -dict { PACKAGE_PIN P14 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_wp_n }];
set_property -dict { PACKAGE_PIN N14 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_hold_n }];

################################################################################
# Micro SD
################################################################################

set_property -dict { PACKAGE_PIN M5 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_data[0] }];
set_property -dict { PACKAGE_PIN M7 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_data[1] }];
set_property -dict { PACKAGE_PIN H6 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_data[2] }];
set_property -dict { PACKAGE_PIN J6 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_data[3] }];
set_property -dict { PACKAGE_PIN J8 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_cmd }];
set_property -dict { PACKAGE_PIN L4 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_clk }];
set_property -dict { PACKAGE_PIN N6 IOSTANDARD LVCMOS33 } [get_ports { sdcard_cd }];

# Put registers into IOBs to improve timing
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdcard_*}]

################################################################################
# PMOD header J10 (high-speed, no protection resisters)
################################################################################

#set_property -dict { PACKAGE_PIN D5 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_1 }];
#set_property -dict { PACKAGE_PIN G5 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_2 }];
#set_property -dict { PACKAGE_PIN G7 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_3 }];
#set_property -dict { PACKAGE_PIN G8 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_4 }];
#set_property -dict { PACKAGE_PIN E5 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_7 }];
#set_property -dict { PACKAGE_PIN E6 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_8 }];
#set_property -dict { PACKAGE_PIN D6 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_9 }];
#set_property -dict { PACKAGE_PIN G6 IOSTANDARD LVCMOS33 } [get_ports { pmod_j10_10 }];

################################################################################
# PMOD header J11 (high-speed, no protection resisters)
################################################################################

#set_property -dict { PACKAGE_PIN H4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_1 }];
#set_property -dict { PACKAGE_PIN F4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_2 }];
#set_property -dict { PACKAGE_PIN A4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_3 }];
#set_property -dict { PACKAGE_PIN A5 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_4 }];
#set_property -dict { PACKAGE_PIN J4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_7 }];
#set_property -dict { PACKAGE_PIN G4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_8 }];
#set_property -dict { PACKAGE_PIN B4 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_9 }];
#set_property -dict { PACKAGE_PIN B5 IOSTANDARD LVCMOS33 } [get_ports { pmod_j11_10 }];

################################################################################
# HDR 20X2 connector
################################################################################

## TODO

################################################################################
# Ethernet (generated by LiteX)
################################################################################

# eth_clocks:0.tx
set_property LOC M2 [get_ports {eth_clocks_tx}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_clocks_tx}]

# eth_clocks:0.gtx
set_property LOC U1 [get_ports {eth_clocks_gtx}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_clocks_gtx}]

# eth_clocks:0.rx
set_property LOC P4 [get_ports {eth_clocks_rx}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_clocks_rx}]

# eth:0.rst_n
set_property LOC R1 [get_ports {eth_rst_n}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rst_n}]

# eth:0.mdio
set_property LOC H1 [get_ports {eth_mdio}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_mdio}]

# eth:0.mdc
set_property LOC H2 [get_ports {eth_mdc}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_mdc}]

# eth:0.rx_dv
set_property LOC L3 [get_ports {eth_rx_dv}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_dv}]

# eth:0.rx_er
set_property LOC U5 [get_ports {eth_rx_er}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_er}]

# eth:0.rx_data
set_property LOC M4 [get_ports {eth_rx_data[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[0]}]

# eth:0.rx_data
set_property LOC N3 [get_ports {eth_rx_data[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[1]}]

# eth:0.rx_data
set_property LOC N4 [get_ports {eth_rx_data[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[2]}]

# eth:0.rx_data
set_property LOC P3 [get_ports {eth_rx_data[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[3]}]

# eth:0.rx_data
set_property LOC R3 [get_ports {eth_rx_data[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[4]}]

# eth:0.rx_data
set_property LOC T3 [get_ports {eth_rx_data[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[5]}]

# eth:0.rx_data
set_property LOC T4 [get_ports {eth_rx_data[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[6]}]

# eth:0.rx_data
set_property LOC T5 [get_ports {eth_rx_data[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_rx_data[7]}]

# eth:0.tx_en
set_property LOC T2 [get_ports {eth_tx_en}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_en}]

# eth:0.tx_er
set_property LOC J1 [get_ports {eth_tx_er}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_er}]

# eth:0.tx_data
set_property LOC R2 [get_ports {eth_tx_data[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[0]}]

# eth:0.tx_data
set_property LOC P1 [get_ports {eth_tx_data[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[1]}]

# eth:0.tx_data
set_property LOC N2 [get_ports {eth_tx_data[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[2]}]

# eth:0.tx_data
set_property LOC N1 [get_ports {eth_tx_data[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[3]}]

# eth:0.tx_data
set_property LOC M1 [get_ports {eth_tx_data[4]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[4]}]

# eth:0.tx_data
set_property LOC L2 [get_ports {eth_tx_data[5]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[5]}]

# eth:0.tx_data
set_property LOC K2 [get_ports {eth_tx_data[6]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[6]}]

# eth:0.tx_data
set_property LOC K1 [get_ports {eth_tx_data[7]}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_tx_data[7]}]

# eth:0.col
set_property LOC U4 [get_ports {eth_col}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_col}]

# eth:0.crs
set_property LOC U2 [get_ports {eth_crs}]
set_property IOSTANDARD LVCMOS33 [get_ports {eth_crs}]

################################################################################
# DRAM (generated by LiteX)
################################################################################

# ddram:0.a
set_property LOC E17 [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 G17 [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 F17 [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 C17 [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 G16 [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 D16 [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 H16 [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 E16 [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 H14 [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 F15 [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 F20 [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 H15 [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 C18 [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 G15 [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 B17 [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 D18 [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 A17 [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 A19 [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 B19 [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 A18 [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.dm
set_property LOC A22 [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 C22 [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 D21 [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 C21 [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 B22 [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 B21 [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 D19 [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 E20 [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 C19 [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 D20 [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 C23 [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 D23 [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 B24 [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 B25 [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 C24 [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 C26 [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 A25 [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 B26 [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 B20 [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]}]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports {ddram_dqs_p[0]}]

# ddram:0.dqs_p
set_property LOC A23 [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]}]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports {ddram_dqs_p[1]}]

# ddram:0.dqs_n
set_property LOC A20 [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]}]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports {ddram_dqs_n[0]}]

# ddram:0.dqs_n
set_property LOC A24 [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]}]
set_property IN_TERM UNTUNED_SPLIT_40 [get_ports {ddram_dqs_n[1]}]

# ddram:0.clk_p
set_property LOC F18 [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 F19 [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 E18 [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 G19 [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 H17 [get_ports {ddram_reset_n}]
set_property SLEW FAST [get_ports {ddram_reset_n}]
set_property IOSTANDARD SSTL135 [get_ports {ddram_reset_n}]

################################################################################
# Design constraints and bitsteam attributes
################################################################################

set_property INTERNAL_VREF 0.675 [get_iobanks 16]

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

set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]
set_property BITSTREAM.CONFIG.CONFIGRATE 33 [current_design]
set_property CONFIG_MODE SPIx4 [current_design]

################################################################################
# Clock constraints
################################################################################

create_clock -name sys_clk_pin -period 20.00 [get_ports { ext_clk }];

create_clock -name eth_rx_clk -period 8.0 [get_nets has_liteeth.liteeth/eth_rx_clk]
create_clock -name eth_tx_clk -period 8.0 [get_nets has_liteeth.liteeth/eth_tx_clk]

set_clock_groups -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/sys_clk]] -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/eth_rx_clk]] -asynchronous

set_clock_groups -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/sys_clk]] -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/eth_tx_clk]] -asynchronous

set_clock_groups -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/eth_rx_clk]] -group [get_clocks -include_generated_clocks -of [get_nets has_liteeth.liteeth/eth_tx_clk]] -asynchronous

################################################################################
# False path constraints (from LiteX as they relate to LiteDRAM and LiteEth)
################################################################################

set_false_path -quiet -through [get_nets -hierarchical -filter {mr_ff == TRUE}]

set_false_path -quiet -to [get_pins -filter {REF_PIN_NAME == PRE} -of_objects [get_cells -hierarchical -filter {ars_ff1 == TRUE || ars_ff2 == TRUE}]]

set_max_delay 2 -quiet -from [get_pins -filter {REF_PIN_NAME == C} -of_objects [get_cells -hierarchical -filter {ars_ff1 == TRUE}]] -to [get_pins -filter {REF_PIN_NAME == D} -of_objects [get_cells -hierarchical -filter {ars_ff2 == TRUE}]]

2
litedram/gen-src/generate.py
Unescape Escape View File

@ -100,7 +100,7 @@ def generate_one(t):

def main():

targets = ['arty','nexys-video', 'genesys2', 'acorn-cle-215', 'sim']
targets = ['arty','nexys-video', 'genesys2', 'acorn-cle-215', 'wukong-v2', 'sim']
for t in targets:
generate_one(t)

2
litedram/gen-src/sdram_init/main.c
Unescape Escape View File

@ -125,7 +125,7 @@ static bool check_flash(void)

/* Supported flash types for quad mode */
if (id[0] == 0x01 &&
(id[1] == 0x02 || id[1] == 0x20) &&
(id[1] == 0x02 || id[1] == 0x20 || id[1] == 0x60) &&
(id[2] == 0x18 || id[2] == 0x19)) {
check_spansion_quad_mode();
quad = true;

36
litedram/gen-src/wukong-v2.yml
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@ -0,0 +1,36 @@
# This file is Copyright (c) 2018-2019 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD

{
# General ------------------------------------------------------------------
"cpu": "None", # CPU type (ex vexriscv, serv, None)
"speedgrade": -1, # FPGA speedgrade
"memtype": "DDR3", # DRAM type

# PHY ----------------------------------------------------------------------
"cmd_latency": 0, # Command additional latency
"sdram_module": "MT41K128M16", # SDRAM modules of the board or SO-DIMM
"sdram_module_nb": 2, # Number of byte groups
"sdram_rank_nb": 1, # Number of ranks
"sdram_phy": "A7DDRPHY", # Type of FPGA PHY

# Electrical ---------------------------------------------------------------
"rtt_nom": "60ohm", # Nominal termination
"rtt_wr": "60ohm", # Write termination
"ron": "34ohm", # Output driver impedance

# Frequency ----------------------------------------------------------------
"input_clk_freq": 50e6, # Input clock frequency
"sys_clk_freq": 100e6, # System clock frequency (DDR_clk = 4 x sys_clk)
"iodelay_clk_freq": 200e6, # IODELAYs reference clock frequency

# Core ---------------------------------------------------------------------
"cmd_buffer_depth": 16, # Depth of the command buffer

# User Ports ---------------------------------------------------------------
"user_ports": {
"native_0": {
"type": "native",
},
},
}

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litedram/generated/nexys-video/litedram_core.v
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@ -1,5 +1,5 @@
//--------------------------------------------------------------------------------
// Auto-generated by Migen (27dbf03) & LiteX (78c1751c) on 2021-08-15 06:19:12
// Auto-generated by Migen (a5bc262) & LiteX (de028765) on 2021-09-24 12:36:33
//--------------------------------------------------------------------------------
module litedram_core(
input wire clk,
@ -4587,10 +4587,10 @@ end
reg dummy_d_103;
// synthesis translate_on
always @(*) begin
main_litedramcore_inti_p3_rddata <= 32'd0;
main_litedramcore_slave_p3_rddata <= 32'd0;
if (main_litedramcore_sel) begin
main_litedramcore_slave_p3_rddata <= main_litedramcore_master_p3_rddata;
end else begin
main_litedramcore_inti_p3_rddata <= main_litedramcore_master_p3_rddata;
end
// synthesis translate_off
dummy_d_103 = dummy_s;
@ -4616,10 +4616,10 @@ end
reg dummy_d_105;
// synthesis translate_on
always @(*) begin
main_litedramcore_inti_p3_rddata_valid <= 1'd0;
main_litedramcore_inti_p3_rddata <= 32'd0;
if (main_litedramcore_sel) begin
end else begin
main_litedramcore_inti_p3_rddata_valid <= main_litedramcore_master_p3_rddata_valid;
main_litedramcore_inti_p3_rddata <= main_litedramcore_master_p3_rddata;
end
// synthesis translate_off
dummy_d_105 = dummy_s;
@ -4645,11 +4645,10 @@ end
reg dummy_d_107;
// synthesis translate_on
always @(*) begin
main_litedramcore_master_p2_rddata_en <= 1'd0;
main_litedramcore_inti_p3_rddata_valid <= 1'd0;
if (main_litedramcore_sel) begin
main_litedramcore_master_p2_rddata_en <= main_litedramcore_slave_p2_rddata_en;
end else begin
main_litedramcore_master_p2_rddata_en <= main_litedramcore_inti_p2_rddata_en;
main_litedramcore_inti_p3_rddata_valid <= main_litedramcore_master_p3_rddata_valid;
end
// synthesis translate_off
dummy_d_107 = dummy_s;
@ -4660,11 +4659,11 @@ end
reg dummy_d_108;
// synthesis translate_on
always @(*) begin
main_litedramcore_master_p3_address <= 15'd0;
main_litedramcore_master_p2_rddata_en <= 1'd0;
if (main_litedramcore_sel) begin
main_litedramcore_master_p3_address <= main_litedramcore_slave_p3_address;
main_litedramcore_master_p2_rddata_en <= main_litedramcore_slave_p2_rddata_en;
end else begin
main_litedramcore_master_p3_address <= main_litedramcore_inti_p3_address;
main_litedramcore_master_p2_rddata_en <= main_litedramcore_inti_p2_rddata_en;
end
// synthesis translate_off
dummy_d_108 = dummy_s;
@ -4675,10 +4674,11 @@ end
reg dummy_d_109;
// synthesis translate_on
always @(*) begin
main_litedramcore_slave_p3_rddata <= 32'd0;
main_litedramcore_master_p3_address <= 15'd0;
if (main_litedramcore_sel) begin
main_litedramcore_slave_p3_rddata <= main_litedramcore_master_p3_rddata;
main_litedramcore_master_p3_address <= main_litedramcore_slave_p3_address;
end else begin
main_litedramcore_master_p3_address <= main_litedramcore_inti_p3_address;
end
// synthesis translate_off
dummy_d_109 = dummy_s;
@ -11032,10 +11032,14 @@ end
reg dummy_d_288;
// synthesis translate_on
always @(*) begin
main_litedramcore_en1 <= 1'd0;
main_litedramcore_choose_req_cmd_ready <= 1'd0;
case (builder_multiplexer_state)
1'd1: begin
main_litedramcore_en1 <= 1'd1;
if (1'd0) begin
main_litedramcore_choose_req_cmd_ready <= (main_litedramcore_cas_allowed & ((~((main_litedramcore_choose_req_cmd_payload_ras & (~main_litedramcore_choose_req_cmd_payload_cas)) & (~main_litedramcore_choose_req_cmd_payload_we))) | main_litedramcore_ras_allowed));
end else begin
main_litedramcore_choose_req_cmd_ready <= main_litedramcore_cas_allowed;
end
end
2'd2: begin
end
@ -11056,6 +11060,11 @@ always @(*) begin
4'd10: begin
end
default: begin
if (1'd0) begin
main_litedramcore_choose_req_cmd_ready <= (main_litedramcore_cas_allowed & ((~((main_litedramcore_choose_req_cmd_payload_ras & (~main_litedramcore_choose_req_cmd_payload_cas)) & (~main_litedramcore_choose_req_cmd_payload_we))) | main_litedramcore_ras_allowed));
end else begin
main_litedramcore_choose_req_cmd_ready <= main_litedramcore_cas_allowed;
end
end
endcase
// synthesis translate_off
@ -11066,6 +11075,41 @@ end
// synthesis translate_off
reg dummy_d_289;
// synthesis translate_on
always @(*) begin
main_litedramcore_en1 <= 1'd0;
case (builder_multiplexer_state)
1'd1: begin
main_litedramcore_en1 <= 1'd1;
end
2'd2: begin
end
2'd3: begin
end
3'd4: begin
end
3'd5: begin
end
3'd6: begin
end
3'd7: begin
end
4'd8: begin
end
4'd9: begin
end
4'd10: begin
end
default: begin
end
endcase
// synthesis translate_off
dummy_d_289 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_290;
// synthesis translate_on
always @(*) begin
main_litedramcore_steerer_sel0 <= 2'd0;
case (builder_multiplexer_state)
@ -11108,12 +11152,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_289 = dummy_s;
dummy_d_290 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_290;
reg dummy_d_291;
// synthesis translate_on
always @(*) begin
main_litedramcore_steerer_sel1 <= 2'd0;
@ -11156,12 +11200,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_290 = dummy_s;
dummy_d_291 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_291;
reg dummy_d_292;
// synthesis translate_on
always @(*) begin
main_litedramcore_cmd_ready <= 1'd0;
@ -11191,12 +11235,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_291 = dummy_s;
dummy_d_292 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_292;
reg dummy_d_293;
// synthesis translate_on
always @(*) begin
main_litedramcore_steerer_sel2 <= 2'd0;
@ -11239,12 +11283,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_292 = dummy_s;
dummy_d_293 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_293;
reg dummy_d_294;
// synthesis translate_on
always @(*) begin
main_litedramcore_choose_cmd_want_activates <= 1'd0;
@ -11281,12 +11325,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_293 = dummy_s;
dummy_d_294 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_294;
reg dummy_d_295;
// synthesis translate_on
always @(*) begin
main_litedramcore_steerer_sel3 <= 2'd0;
@ -11329,12 +11373,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_294 = dummy_s;
dummy_d_295 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_295;
reg dummy_d_296;
// synthesis translate_on
always @(*) begin
main_litedramcore_en0 <= 1'd0;
@ -11364,12 +11408,12 @@ always @(*) begin
end
endcase
// synthesis translate_off
dummy_d_295 = dummy_s;
dummy_d_296 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_296;
reg dummy_d_297;
// synthesis translate_on
always @(*) begin
main_litedramcore_choose_cmd_cmd_ready <= 1'd0;
@ -11405,41 +11449,6 @@ always @(*) begin
end
end
endcase
// synthesis translate_off
dummy_d_296 = dummy_s;
// synthesis translate_on
end

// synthesis translate_off
reg dummy_d_297;
// synthesis translate_on
always @(*) begin
main_litedramcore_choose_req_want_reads <= 1'd0;
case (builder_multiplexer_state)
1'd1: begin
end
2'd2: begin
end
2'd3: begin
end
3'd4: begin
end
3'd5: begin
end
3'd6: begin
end
3'd7: begin
end
4'd8: begin
end
4'd9: begin
end
4'd10: begin
end
default: begin
main_litedramcore_choose_req_want_reads <= 1'd1;
end
endcase
// synthesis translate_off
dummy_d_297 = dummy_s;
// synthesis translate_on
@ -11449,10 +11458,9 @@ end
reg dummy_d_298;
// synthesis translate_on
always @(*) begin
main_litedramcore_choose_req_want_writes <= 1'd0;
main_litedramcore_choose_req_want_reads <= 1'd0;
case (builder_multiplexer_state)
1'd1: begin
main_litedramcore_choose_req_want_writes <= 1'd1;
end
2'd2: begin
end
@ -11473,6 +11481,7 @@ always @(*) begin
4'd10: begin
end
default: begin
main_litedramcore_choose_req_want_reads <= 1'd1;
end
endcase
// synthesis translate_off
@ -11484,14 +11493,10 @@ end
reg dummy_d_299;
// synthesis translate_on
always @(*) begin
main_litedramcore_choose_req_cmd_ready <= 1'd0;
main_litedramcore_choose_req_want_writes <= 1'd0;
case (builder_multiplexer_state)
1'd1: begin
if (1'd0) begin
main_litedramcore_choose_req_cmd_ready <= (main_litedramcore_cas_allowed & ((~((main_litedramcore_choose_req_cmd_payload_ras & (~main_litedramcore_choose_req_cmd_payload_cas)) & (~main_litedramcore_choose_req_cmd_payload_we))) | main_litedramcore_ras_allowed));
end else begin
main_litedramcore_choose_req_cmd_ready <= main_litedramcore_cas_allowed;
end
main_litedramcore_choose_req_want_writes <= 1'd1;
end
2'd2: begin
end
@ -11512,11 +11517,6 @@ always @(*) begin
4'd10: begin
end
default: begin
if (1'd0) begin
main_litedramcore_choose_req_cmd_ready <= (main_litedramcore_cas_allowed & ((~((main_litedramcore_choose_req_cmd_payload_ras & (~main_litedramcore_choose_req_cmd_payload_cas)) & (~main_litedramcore_choose_req_cmd_payload_we))) | main_litedramcore_ras_allowed));
end else begin
main_litedramcore_choose_req_cmd_ready <= main_litedramcore_cas_allowed;
end
end
endcase
// synthesis translate_off
@ -11571,13 +11571,13 @@ assign main_user_port_rdata_valid = builder_new_master_rdata_valid8;
reg dummy_d_300;
// synthesis translate_on
always @(*) begin
main_litedramcore_interface_wdata_we <= 16'd0;
main_litedramcore_interface_wdata <= 128'd0;
case ({builder_new_master_wdata_ready1})
1'd1: begin
main_litedramcore_interface_wdata_we <= main_user_port_wdata_payload_we;
main_litedramcore_interface_wdata <= main_user_port_wdata_payload_data;
end
default: begin
main_litedramcore_interface_wdata_we <= 1'd0;
main_litedramcore_interface_wdata <= 1'd0;
end
endcase
// synthesis translate_off
@ -11589,13 +11589,13 @@ end
reg dummy_d_301;
// synthesis translate_on
always @(*) begin
main_litedramcore_interface_wdata <= 128'd0;
main_litedramcore_interface_wdata_we <= 16'd0;
case ({builder_new_master_wdata_ready1})
1'd1: begin
main_litedramcore_interface_wdata <= main_user_port_wdata_payload_data;
main_litedramcore_interface_wdata_we <= main_user_port_wdata_payload_we;
end
default: begin
main_litedramcore_interface_wdata <= 1'd0;
main_litedramcore_interface_wdata_we <= 1'd0;
end
endcase
// synthesis translate_off
@ -11810,7 +11810,7 @@ assign builder_litedramcore_wishbone_we = main_wb_bus_we;
assign builder_litedramcore_wishbone_cti = main_wb_bus_cti;
assign builder_litedramcore_wishbone_bte = main_wb_bus_bte;
assign main_wb_bus_err = builder_litedramcore_wishbone_err;
assign builder_csrbank0_sel = (builder_interface0_bank_bus_adr[13:9] == 1'd0);
assign builder_csrbank0_sel = (builder_interface0_bank_bus_adr[13:9] == 1'd1);
assign builder_csrbank0_init_done0_r = builder_interface0_bank_bus_dat_w[0];

// synthesis translate_off
@ -11867,7 +11867,7 @@ always @(*) begin
end
assign builder_csrbank0_init_done0_w = main_init_done_storage;
assign builder_csrbank0_init_error0_w = main_init_error_storage;
assign builder_csrbank1_sel = (builder_interface1_bank_bus_adr[13:9] == 1'd1);
assign builder_csrbank1_sel = (builder_interface1_bank_bus_adr[13:9] == 2'd2);
assign builder_csrbank1_rst0_r = builder_interface1_bank_bus_dat_w[0];

// synthesis translate_off
@ -11928,9 +11928,9 @@ assign builder_csrbank1_wlevel_en0_r = builder_interface1_bank_bus_dat_w[0];
reg dummy_d_319;
// synthesis translate_on
always @(*) begin
builder_csrbank1_wlevel_en0_re <= 1'd0;
builder_csrbank1_wlevel_en0_we <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 2'd2))) begin
builder_csrbank1_wlevel_en0_re <= builder_interface1_bank_bus_we;
builder_csrbank1_wlevel_en0_we <= (~builder_interface1_bank_bus_we);
end
// synthesis translate_off
dummy_d_319 = dummy_s;
@ -11941,9 +11941,9 @@ end
reg dummy_d_320;
// synthesis translate_on
always @(*) begin
builder_csrbank1_wlevel_en0_we <= 1'd0;
builder_csrbank1_wlevel_en0_re <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 2'd2))) begin
builder_csrbank1_wlevel_en0_we <= (~builder_interface1_bank_bus_we);
builder_csrbank1_wlevel_en0_re <= builder_interface1_bank_bus_we;
end
// synthesis translate_off
dummy_d_320 = dummy_s;
@ -11955,9 +11955,9 @@ assign main_a7ddrphy_wlevel_strobe_r = builder_interface1_bank_bus_dat_w[0];
reg dummy_d_321;
// synthesis translate_on
always @(*) begin
main_a7ddrphy_wlevel_strobe_re <= 1'd0;
main_a7ddrphy_wlevel_strobe_we <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 2'd3))) begin
main_a7ddrphy_wlevel_strobe_re <= builder_interface1_bank_bus_we;
main_a7ddrphy_wlevel_strobe_we <= (~builder_interface1_bank_bus_we);
end
// synthesis translate_off
dummy_d_321 = dummy_s;
@ -11968,9 +11968,9 @@ end
reg dummy_d_322;
// synthesis translate_on
always @(*) begin
main_a7ddrphy_wlevel_strobe_we <= 1'd0;
main_a7ddrphy_wlevel_strobe_re <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 2'd3))) begin
main_a7ddrphy_wlevel_strobe_we <= (~builder_interface1_bank_bus_we);
main_a7ddrphy_wlevel_strobe_re <= builder_interface1_bank_bus_we;
end
// synthesis translate_off
dummy_d_322 = dummy_s;
@ -12063,9 +12063,9 @@ assign main_a7ddrphy_rdly_dq_bitslip_rst_r = builder_interface1_bank_bus_dat_w[0
reg dummy_d_329;
// synthesis translate_on
always @(*) begin
main_a7ddrphy_rdly_dq_bitslip_rst_re <= 1'd0;
main_a7ddrphy_rdly_dq_bitslip_rst_we <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 3'd7))) begin
main_a7ddrphy_rdly_dq_bitslip_rst_re <= builder_interface1_bank_bus_we;
main_a7ddrphy_rdly_dq_bitslip_rst_we <= (~builder_interface1_bank_bus_we);
end
// synthesis translate_off
dummy_d_329 = dummy_s;
@ -12076,9 +12076,9 @@ end
reg dummy_d_330;
// synthesis translate_on
always @(*) begin
main_a7ddrphy_rdly_dq_bitslip_rst_we <= 1'd0;
main_a7ddrphy_rdly_dq_bitslip_rst_re <= 1'd0;
if ((builder_csrbank1_sel & (builder_interface1_bank_bus_adr[8:0] == 3'd7))) begin
main_a7ddrphy_rdly_dq_bitslip_rst_we <= (~builder_interface1_bank_bus_we);
main_a7ddrphy_rdly_dq_bitslip_rst_re <= builder_interface1_bank_bus_we;
end
// synthesis translate_off
dummy_d_330 = dummy_s;
@ -12225,7 +12225,7 @@ assign builder_csrbank1_wlevel_en0_w = main_a7ddrphy_wlevel_en_storage;
assign builder_csrbank1_dly_sel0_w = main_a7ddrphy_dly_sel_storage[1:0];
assign builder_csrbank1_rdphase0_w = main_a7ddrphy_rdphase_storage[1:0];
assign builder_csrbank1_wrphase0_w = main_a7ddrphy_wrphase_storage[1:0];
assign builder_csrbank2_sel = (builder_interface2_bank_bus_adr[13:9] == 2'd2);
assign builder_csrbank2_sel = (builder_interface2_bank_bus_adr[13:9] == 1'd0);
assign builder_csrbank2_dfii_control0_r = builder_interface2_bank_bus_dat_w[3:0];

// synthesis translate_off
@ -12313,9 +12313,9 @@ assign builder_csrbank2_dfii_pi0_address1_r = builder_interface2_bank_bus_dat_w[
reg dummy_d_347;
// synthesis translate_on
always @(*) begin
builder_csrbank2_dfii_pi0_address1_we <= 1'd0;
builder_csrbank2_dfii_pi0_address1_re <= 1'd0;
if ((builder_csrbank2_sel & (builder_interface2_bank_bus_adr[8:0] == 2'd3))) begin
builder_csrbank2_dfii_pi0_address1_we <= (~builder_interface2_bank_bus_we);
builder_csrbank2_dfii_pi0_address1_re <= builder_interface2_bank_bus_we;
end
// synthesis translate_off
dummy_d_347 = dummy_s;
@ -12326,9 +12326,9 @@ end
reg dummy_d_348;
// synthesis translate_on
always @(*) begin
builder_csrbank2_dfii_pi0_address1_re <= 1'd0;
builder_csrbank2_dfii_pi0_address1_we <= 1'd0;
if ((builder_csrbank2_sel & (builder_interface2_bank_bus_adr[8:0] == 2'd3))) begin
builder_csrbank2_dfii_pi0_address1_re <= builder_interface2_bank_bus_we;
builder_csrbank2_dfii_pi0_address1_we <= (~builder_interface2_bank_bus_we);
end
// synthesis translate_off
dummy_d_348 = dummy_s;
@ -12421,9 +12421,9 @@ assign builder_csrbank2_dfii_pi0_wrdata2_r = builder_interface2_bank_bus_dat_w[7
reg dummy_d_355;
// synthesis translate_on
always @(*) begin
builder_csrbank2_dfii_pi0_wrdata2_re <= 1'd0;
builder_csrbank2_dfii_pi0_wrdata2_we <= 1'd0;
if ((builder_csrbank2_sel & (builder_interface2_bank_bus_adr[8:0] == 3'd7))) begin
builder_csrbank2_dfii_pi0_wrdata2_re <= builder_interface2_bank_bus_we;
builder_csrbank2_dfii_pi0_wrdata2_we <= (~builder_interface2_bank_bus_we);
end
// synthesis translate_off
dummy_d_355 = dummy_s;
@ -12434,9 +12434,9 @@ end
reg dummy_d_356;
// synthesis translate_on
always @(*) begin
builder_csrbank2_dfii_pi0_wrdata2_we <= 1'd0;
builder_csrbank2_dfii_pi0_wrdata2_re <= 1'd0;
if ((builder_csrbank2_sel & (builder_interface2_bank_bus_adr[8:0] == 3'd7))) begin
builder_csrbank2_dfii_pi0_wrdata2_we <= (~builder_interface2_bank_bus_we);
builder_csrbank2_dfii_pi0_wrdata2_re <= builder_interface2_bank_bus_we;
end
// synthesis translate_off
dummy_d_356 = dummy_s;
@ -12664,9 +12664,9 @@ assign builder_csrbank2_dfii_pi1_address1_r = builder_interface2_bank_bus_dat_w[
reg dummy_d_373;