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arty a7: Connect SD card interface to microSD socket on LCD touchscreen board

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If the generic USE_LCD is false, the first SD card controller (mmcblk0
in Linux) is connected to pmod HA; if USE_LCD is true, it is connected
to the SD card slot on the touchscreen/LCD panel.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
pull/461/head
Paul Mackerras 4 years ago
parent c7531e592c
commit 81792f599b
2 changed files with 100 additions and 45 deletions
Show Stats Download Patch File Download Diff File

28
fpga/arty_a7.xdc
Unescape Escape View File

@ -82,14 +82,14 @@ set_property IOB true [get_cells -hierarchical -filter {NAME =~*/spi_rxtx/input_
#set_property -dict { PACKAGE_PIN K16 IOSTANDARD LVCMOS33 } [get_ports { pmod_ja_10 }];

# connection to Digilent PmodSD on JA
set_property -dict { PACKAGE_PIN G13 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { sdcard_data[3] }];
set_property -dict { PACKAGE_PIN B11 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { sdcard_cmd }];
set_property -dict { PACKAGE_PIN A11 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { sdcard_data[0] }];
set_property -dict { PACKAGE_PIN D12 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { sdcard_clk }];
set_property -dict { PACKAGE_PIN D13 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { sdcard_data[1] }];
set_property -dict { PACKAGE_PIN B18 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { sdcard_data[2] }];
set_property -dict { PACKAGE_PIN A18 IOSTANDARD LVCMOS33 } [get_ports { sdcard_cd }];
#set_property -dict { PACKAGE_PIN K16 IOSTANDARD LVCMOS33 } [get_ports { sdcard_wp }];
set_property -dict { PACKAGE_PIN G13 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ja_sdcard_data[3] }];
set_property -dict { PACKAGE_PIN B11 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ja_sdcard_cmd }];
set_property -dict { PACKAGE_PIN A11 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ja_sdcard_data[0] }];
set_property -dict { PACKAGE_PIN D12 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { ja_sdcard_clk }];
set_property -dict { PACKAGE_PIN D13 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ja_sdcard_data[1] }];
set_property -dict { PACKAGE_PIN B18 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ja_sdcard_data[2] }];
set_property -dict { PACKAGE_PIN A18 IOSTANDARD LVCMOS33 } [get_ports { ja_sdcard_cd }];
#set_property -dict { PACKAGE_PIN K16 IOSTANDARD LVCMOS33 } [get_ports { ja_sdcard_wp }];

# Put registers into IOBs to improve timing
set_property IOB true [get_cells -hierarchical -filter {NAME =~*.litesdcard/sdpads_data_i_reg*}]
@ -198,6 +198,18 @@ set_property -dict { PACKAGE_PIN B2 IOSTANDARD LVCMOS33 } [get_ports { a4_n }];
set_property -dict { PACKAGE_PIN D14 IOSTANDARD LVCMOS33 } [get_ports { a5_p }];
set_property -dict { PACKAGE_PIN C14 IOSTANDARD LVCMOS33 } [get_ports { a5_n }];

################################################################################
# connection to micro SD card socket on touchscreen board
################################################################################
set_property -dict { PACKAGE_PIN V17 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ts_sdcard_data[3] }];
set_property -dict { PACKAGE_PIN U18 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ts_sdcard_cmd }];
set_property -dict { PACKAGE_PIN R17 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ts_sdcard_data[0] }];
set_property -dict { PACKAGE_PIN P17 IOSTANDARD LVCMOS33 SLEW FAST } [get_ports { ts_sdcard_clk }];
set_property -dict { PACKAGE_PIN U16 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ts_sdcard_data[1] }];
set_property -dict { PACKAGE_PIN V15 IOSTANDARD LVCMOS33 SLEW FAST PULLUP TRUE } [get_ports { ts_sdcard_data[2] }];
set_property -dict { PACKAGE_PIN M17 IOSTANDARD LVCMOS33 PULLUP TRUE } [get_ports { ts_sdcard_cd }];
#set_property -dict { PACKAGE_PIN K16 IOSTANDARD LVCMOS33 } [get_ports { ts_sdcard_wp }];

################################################################################
# Arduino/chipKIT shield connector
################################################################################

117
fpga/top-arty.vhdl
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@ -125,11 +125,17 @@ entity toplevel is
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;
-- SD card pmod on JA
ja_sdcard_data : inout std_ulogic_vector(3 downto 0);
ja_sdcard_cmd : inout std_ulogic;
ja_sdcard_clk : out std_ulogic;
ja_sdcard_cd : in std_ulogic;

-- SD card slot on touchscreen/LCD board
ts_sdcard_data : inout std_ulogic_vector(3 downto 0);
ts_sdcard_cmd : inout std_ulogic;
ts_sdcard_clk : out std_ulogic;
ts_sdcard_cd : in std_ulogic;

-- Second SD card
sdcard2_data : inout std_ulogic_vector(3 downto 0);
@ -722,38 +728,75 @@ begin
signal sdc1_activity : std_ulogic := '0';

begin
litesdcard : litesdcard_core
port map (
clk => system_clk,
rst => periph_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_sddma1_nr.adr,
wb_dma_dat_w => wb_sddma1_nr.dat,
wb_dma_dat_r => wb_sddma_ir.dat,
wb_dma_sel => wb_sddma1_nr.sel,
wb_dma_cyc => wb_sddma1_nr.cyc,
wb_dma_stb => wb_sddma1_nr.stb,
wb_dma_ack => wb_sddma1_ack,
wb_dma_we => wb_sddma1_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
);
sdcard_ja: if not USE_LCD generate
litesdcard : litesdcard_core
port map (
clk => system_clk,
rst => periph_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_sddma1_nr.adr,
wb_dma_dat_w => wb_sddma1_nr.dat,
wb_dma_dat_r => wb_sddma_ir.dat,
wb_dma_sel => wb_sddma1_nr.sel,
wb_dma_cyc => wb_sddma1_nr.cyc,
wb_dma_stb => wb_sddma1_nr.stb,
wb_dma_ack => wb_sddma1_ack,
wb_dma_we => wb_sddma1_nr.we,
wb_dma_cti => open,
wb_dma_bte => open,
wb_dma_err => '0',
sdcard_data => ja_sdcard_data,
sdcard_cmd => ja_sdcard_cmd,
sdcard_clk => ja_sdcard_clk,
sdcard_cd => ja_sdcard_cd,
irq => ext_irq_sdcard
);
end generate;

sdcard_ts: if USE_LCD generate
litesdcard : litesdcard_core
port map (
clk => system_clk,
rst => periph_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_sddma1_nr.adr,
wb_dma_dat_w => wb_sddma1_nr.dat,
wb_dma_dat_r => wb_sddma_ir.dat,
wb_dma_sel => wb_sddma1_nr.sel,
wb_dma_cyc => wb_sddma1_nr.cyc,
wb_dma_stb => wb_sddma1_nr.stb,
wb_dma_ack => wb_sddma1_ack,
wb_dma_we => wb_sddma1_nr.we,
wb_dma_cti => open,
wb_dma_bte => open,
wb_dma_err => '0',
sdcard_data => ts_sdcard_data,
sdcard_cmd => ts_sdcard_cmd,
sdcard_clk => ts_sdcard_clk,
sdcard_cd => ts_sdcard_cd,
irq => ext_irq_sdcard
);
end generate;

litesdcard2 : litesdcard_core
port map (

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