matthew1kalasky3
/
microwatt
forked from cores/microwatt
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add support for QMTech Wukong v2 board

Browse Source 
For now only the V2 of the board (slightly different pinout)
and only the A100T variant. I also haven't added GPIOs or anything
else on the PMODs really.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
icbi-issue
Benjamin Herrenschmidt 3 years ago
parent 621a0f6b28
commit da0189af1e
7 changed files with 1183 additions and 2 deletions
Show Stats Download Patch File Download Diff File

579
fpga/top-wukong-v2.vhdl
Unescape Escape View File

@ -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
Unescape Escape View File

@ -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)

36
litedram/gen-src/wukong-v2.yml
Unescape Escape View File

@ -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",
},
},
}

2
liteeth/gen-src/generate.sh
Unescape Escape View File

@ -1,6 +1,6 @@
#!/bin/bash

TARGETS="arty nexys-video"
TARGETS="arty nexys-video wukong-v2"

ME=$(realpath $0)
echo ME=$ME

17
liteeth/gen-src/wukong-v2.yml
Unescape Escape View File

@ -0,0 +1,17 @@
# This file is Copyright (c) 2020 Florent Kermarrec <florent@enjoy-digital.fr>
# License: BSD

# PHY ----------------------------------------------------------------------
phy: LiteEthPHYGMIIMII
vendor: xilinx
device: xc7
# Core ---------------------------------------------------------------------
clk_freq: 100e6
core: wishbone
endianness: little
ntxslots: 2
nrxslots: 2

soc:
mem_map:
ethmac: 0x00010000

62
microwatt.core
Unescape Escape View File

@ -106,6 +106,12 @@ filesets:
- fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008}
- fpga/top-arty.vhdl : {file_type : vhdlSource-2008}

wukong-v2:
files:
- fpga/wukong-v2.xdc : {file_type : xdc}
- fpga/clk_gen_plle2.vhd : {file_type : vhdlSource-2008}
- fpga/top-wukong-v2.vhdl : {file_type : vhdlSource-2008}

cmod_a7-35:
files:
- fpga/cmod_a7-35.xdc : {file_type : xdc}
@ -338,6 +344,50 @@ targets:
vivado: {part : xc7a100ticsg324-1L}
toplevel : toplevel

wukong-v2-a100t-nodram:
default_tool: vivado
filesets: [core, wukong-v2, soc, fpga, debug_xilinx, uart16550, xilinx_specific, litesdcard]
parameters:
- memory_size
- ram_init_file
- use_litedram=false
- use_liteeth=false
- use_litesdcard=true
- disable_flatten_core
- spi_flash_offset=4194304
- clk_frequency=100000000
- log_length=2048
- uart_is_16550
- has_fpu
- has_btc
- has_short_mult
generate: [litesdcard_wukong-v2]
tools:
vivado: {part : xc7a100tfgg676-1}
toplevel : toplevel

wukong-v2-a100t:
default_tool: vivado
filesets: [core, wukong-v2, soc, fpga, debug_xilinx, litedram, liteeth, uart16550, xilinx_specific, litesdcard]
parameters:
- memory_size=0
- ram_init_file
- use_litedram=true
- use_liteeth=true
- use_litesdcard=true
- disable_flatten_core
- no_bram=true
- spi_flash_offset=4194304
- log_length=0
- uart_is_16550
- has_fpu
- has_btc
- has_short_mult
generate: [litedram_wukong-v2, liteeth_wukong-v2, litesdcard_wukong-v2]
tools:
vivado: {part : xc7a100tfgg676-1}
toplevel : toplevel

cmod_a7-35:
default_tool: vivado
filesets: [core, cmod_a7-35, soc, fpga, debug_xilinx, uart16550, xilinx_specific]
@ -395,6 +445,18 @@ generate:
generator: litedram_gen
parameters: {board : genesys2}

litedram_wukong-v2:
generator: litedram_gen
parameters: {board : wukong-v2}

liteeth_wukong-v2:
generator: liteeth_gen
parameters: {board : wukong-v2}

litesdcard_wukong-v2:
generator: litesdcard_gen
parameters: {vendor : xilinx}

parameters:
memory_size:
datatype : int

Write Preview
Loading…
Cancel
Save