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Hi all,
with kernel 4.4.50 of march 03 I'm able to use only two of these peripherals at same time.
If all 3 are enabled when transmitting the first byte from UART the RPi hangs. Hard reset needed.
If BT enabled the serial0 uses TXD1 & RXD1.
If BT disabled (dtoverlay=pi3-disable-bt) the serial0 uses TXD0 & RXD0 and works.
Already tried to change the number and pins of SPI1 CS'. SPI0 haven't a problem.
Minimal changes to a virgin image to see the problem:
remove from cmdline.txt "console=/dev/serial0,115200"
This is a duplicate of #1573 and #1484. Writing a proper AUX IRQ controller (or adding that feature to the existing AUX driver) is on my list of things to do.
The current trees now include a modified bcm2835-aux driver that also acts as an interrupt controller, and DT modifications to activate it. I've tested it with the console over ttyS0 running an MFRC reader on SPI1.
Hi all,
with kernel 4.4.50 of march 03 I'm able to use only two of these peripherals at same time.
If all 3 are enabled when transmitting the first byte from UART the RPi hangs. Hard reset needed.
If BT enabled the serial0 uses TXD1 & RXD1.
If BT disabled (dtoverlay=pi3-disable-bt) the serial0 uses TXD0 & RXD0 and works.
Already tried to change the number and pins of SPI1 CS'. SPI0 haven't a problem.
Minimal changes to a virgin image to see the problem:
enable_uart=1
dtoverlay=spi1-1cs
minicom -b 9600 -o -D /dev/serial0
Thanks
Nicola
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