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Arty A7: Reduce warnings from Vivado

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Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras
2025-02-04 21:48:57 +11:00
parent 1395bde3cc
commit f0c331b8b8
2 changed files with 14 additions and 9 deletions
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14
countbits.vhdl
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@@ -91,12 +91,14 @@ begin
popcnt_r: process(clk)
begin
if rising_edge(clk) and stall = '0' then
for i in 0 to 7 loop
pc8_r(i) <= pc8(i);
end loop;
dlen_r <= datalen;
pcnt_r <= do_popcnt;
if rising_edge(clk) then
if stall = '0' then
for i in 0 to 7 loop
pc8_r(i) <= pc8(i);
end loop;
dlen_r <= datalen;
pcnt_r <= do_popcnt;
end if;
end if;
end process;

9
fpga/arty_a7.xdc
View File

@@ -65,7 +65,7 @@ set_property -dict { PACKAGE_PIN L14 IOSTANDARD LVCMOS33 } [get_ports { spi_flas
set_property -dict { PACKAGE_PIN M14 IOSTANDARD LVCMOS33 } [get_ports { spi_flash_hold_n }];
# Put registers into IOBs to improve timing
set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/*sck_1*}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/*sck_1_reg}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/input_delay_1.dat_i_l*}]
################################################################################
@@ -92,7 +92,10 @@ set_property -dict { PACKAGE_PIN A18 IOSTANDARD LVCMOS33 } [get_ports { sdcard_c
#set_property -dict { PACKAGE_PIN K16 IOSTANDARD LVCMOS33 } [get_ports { sdcard_wp }];
# Put registers into IOBs to improve timing
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdcard_*}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdpads_data_i_reg*}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/xilinxsdrtristateimpl*_o_reg}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdcard_clk_reg}]
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdpads_cmd_i_reg}]
################################################################################
# PMOD header JB (high-speed, no protection resisters)
@@ -177,7 +180,7 @@ set_property -dict { PACKAGE_PIN T18 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_po
set_property -dict { PACKAGE_PIN R18 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io39 }];
set_property -dict { PACKAGE_PIN P18 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io40 }];
set_property -dict { PACKAGE_PIN N17 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io41 }];
set_property -dict { PACKAGE_PIN M17 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io42 }]; # A
#set_property -dict { PACKAGE_PIN M17 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io42 }]; # A
set_property -dict { PACKAGE_PIN L18 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io43 }]; # SCL
set_property -dict { PACKAGE_PIN M18 IOSTANDARD LVCMOS33 PULLDOWN TRUE } [get_ports { shield_io44 }]; # SDA
#set_property -dict { PACKAGE_PIN C2 IOSTANDARD LVCMOS33 } [get_ports { shield_rst }];