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

Orange Crab is 48MHz not 50MHz, bump PLL frequency

Browse Source 
I'm not sure why I set the input frequency for the Orange Crab to 50MHz.
Since we easily make timing now, bump our output frequency to 48MHz as
well.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
orange-crab-freq
Anton Blanchard 3 years ago committed by Anton Blanchard
parent 0a415410c9
commit 06266fe84a
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File

6
Makefile
Unescape Escape View File

@ -157,11 +157,11 @@ ICACHE_NUM_LINES=4
# OrangeCrab with ECP85 # OrangeCrab with ECP85
ifeq ($(FPGA_TARGET), ORANGE-CRAB) ifeq ($(FPGA_TARGET), ORANGE-CRAB)
RESET_LOW=true RESET_LOW=true
CLK_INPUT=50000000 CLK_INPUT=48000000
CLK_FREQUENCY=40000000 CLK_FREQUENCY=48000000
LPF=constraints/orange-crab.lpf LPF=constraints/orange-crab.lpf
PACKAGE=CSFBGA285 PACKAGE=CSFBGA285
NEXTPNR_FLAGS=--um5g-85k --freq 40 NEXTPNR_FLAGS=--um5g-85k --freq 48
OPENOCD_JTAG_CONFIG=openocd/olimex-arm-usb-tiny-h.cfg OPENOCD_JTAG_CONFIG=openocd/olimex-arm-usb-tiny-h.cfg
OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg
endif endif

Write Preview
Loading…
Cancel
Save