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Remove up5k_mac16 "example" and add README to up5k_rgb and icebreaker 

Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-02-06 18:12:44 +01:00
parent d3a753f7d7
commit a7a6f3695f
6 changed files with 4 additions and 123 deletions
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2
examples/icebreaker/README Normal file
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Simple example for the iCEbreaker dev board:
https://github.com/esden/icebreaker/

12
examples/up5k_mac16/.gitignore vendored
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*.bin
*.blif
*.asc
*.rpt
*.glb
*.psb
*.sdf
*.vsb
*.bin
*.tmp/
*.exp
*.vlog

36
examples/up5k_mac16/Makefile
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PROJ = mac16
PIN_DEF = mac16.pcf
DEVICE = up5k
ARACHNE = arachne-pnr
ARACHNE_ARGS =
ICEPACK = icepack
ICETIME = icetime
ICEPROG = iceprog
all: $(PROJ).bin
%.blif: %.v
yosys -p 'synth_ice40 -top top -blif $@' $<
%.asc: $(PIN_DEF) %.blif
$(ARACHNE) $(ARACHNE_ARGS) -d $(subst up,,$(subst hx,,$(subst lp,,$(DEVICE)))) -o $@ -p $^
%.bin: %.asc
$(ICEPACK) $< $@
%.rpt: %.asc
$(ICETIME) -d $(DEVICE) -mtr $@ $<
prog: $(PROJ).bin
$(ICEPROG) -S $<
sudo-prog: $(PROJ).bin
@echo 'Executing prog as root!!!'
sudo $(ICEPROG) -S $<
clean:
rm -f $(PROJ).blif $(PROJ).asc $(PROJ).rpt $(PROJ).bin
.SECONDARY:
.PHONY: all prog clean

4
examples/up5k_mac16/mac16.pcf
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set_io clk 44
set_io rstn 27
set_io LED1 12
set_io LED2 13

71
examples/up5k_mac16/mac16.v
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module top(
input clk,
input rstn,
output LED1,
output LED2);
wire reset = !rstn;
wire [15:0] A = 16'd999;
wire [15:0] B = 16'd12345;
wire [31:0] RES = 32'd12332655;
wire [31:0] dsp_out;
SB_MAC16 i_sbmac16
(
.A(A),
.B(B),
.C(16'b0),
.D(16'b0),
.CLK(clk),
.CE(1'b1),
.IRSTTOP(reset),
.IRSTBOT(reset),
.ORSTTOP(reset),
.ORSTBOT(reset),
.AHOLD(1'b0),
.BHOLD(1'b0),
.CHOLD(1'b0),
.DHOLD(1'b0),
.OHOLDTOP(1'b0),
.OHOLDBOT(1'b0),
.OLOADTOP(1'b0),
.OLOADBOT(1'b0),
.ADDSUBTOP(1'b0),
.ADDSUBBOT(1'b0),
.CO(),
.CI(1'b0),
.O(dsp_out)
);
//16x16 => 32 unsigned pipelined multiply
defparam i_sbmac16. B_SIGNED = 1'b0;
defparam i_sbmac16. A_SIGNED = 1'b0;
defparam i_sbmac16. MODE_8x8 = 1'b0;
defparam i_sbmac16. BOTADDSUB_CARRYSELECT = 2'b00;
defparam i_sbmac16. BOTADDSUB_UPPERINPUT = 1'b0;
defparam i_sbmac16. BOTADDSUB_LOWERINPUT = 2'b00;
defparam i_sbmac16. BOTOUTPUT_SELECT = 2'b11;
defparam i_sbmac16. TOPADDSUB_CARRYSELECT = 2'b00;
defparam i_sbmac16. TOPADDSUB_UPPERINPUT = 1'b0;
defparam i_sbmac16. TOPADDSUB_LOWERINPUT = 2'b00;
defparam i_sbmac16. TOPOUTPUT_SELECT = 2'b11;
defparam i_sbmac16. PIPELINE_16x16_MULT_REG2 = 1'b1;
defparam i_sbmac16. PIPELINE_16x16_MULT_REG1 = 1'b1;
defparam i_sbmac16. BOT_8x8_MULT_REG = 1'b1;
defparam i_sbmac16. TOP_8x8_MULT_REG = 1'b1;
defparam i_sbmac16. D_REG = 1'b0;
defparam i_sbmac16. B_REG = 1'b1;
defparam i_sbmac16. A_REG = 1'b1;
defparam i_sbmac16. C_REG = 1'b0;
assign LED1 = (dsp_out == RES) ? 1'b1 : 1'b0;
assign LED2 = 1'b0;
endmodule

2
examples/up5k_rgb/README Normal file
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Simple RGB LED demo for UP5K boards, such as the Lattice "iCE40 UltraPlus Breakout Board" and
the Lattice "iCE40 UltraPlus Mobile Development Platform".