a715f5c728
hardware: add testpoints for SPI programming
...
This will become necessary when doing factory burning.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-31 10:54:13 +08:00
30b7610996
pcb: hook up more debug wires
...
We have spare pins, so run more debug wires.
Many of these will probably get cut when doing the PCB layout.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-31 10:45:27 +08:00
4fe5f8f629
hardware: sch: use raspberry pi header, rework signaling
...
Rework the signaling to send everything to a Raspberry Pi header.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-31 10:36:01 +08:00
0973972464
hardware: pcb: add SPI debug header
...
This will be used to program SPI during board bringup.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 22:28:08 +08:00
78bb283bc6
hardware: sch: populate SPI, /RESET pullups
...
It turns out these resistors are important.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 19:21:01 +08:00
f06ef4a7d5
hardware: sch: add crystal, VCCPLL regulator
...
Add a crystal, so we can test to make sure it works.
Also add a second regulator dedicated to VCCPLL in an effort to
cost-down the capacitor and large components that shouldn't be
necessary.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 19:14:33 +08:00
ab18c90450
hardware: sch: specify spinor part
...
SPINOR parts are largely interchangeable. Pick one.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 17:09:11 +08:00
c7bfc248af
pcb: sch: renumber schematic
...
Renumber the schematic again, as things have shifted around a bit.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 17:06:04 +08:00
ab33b4a0a1
hardware: rename tomu-fpga
to pcb
...
This more closely reflects what it actually is.
Signed-off-by: Sean Cross <sean@xobs.io>
2018-10-30 17:05:02 +08:00