soc/cores/spi: make cs/loopback CSR optional.
authorFlorent Kermarrec <florent@enjoy-digital.fr>
Fri, 19 Jun 2020 12:17:30 +0000 (14:17 +0200)
committerFlorent Kermarrec <florent@enjoy-digital.fr>
Fri, 19 Jun 2020 12:17:30 +0000 (14:17 +0200)
commitb0b37b4cb9e1f60d098c4937ad16bf2de3910173
treec60c96f984652daeab184f25ca9d3e7111d3a64d
parent05cb5f96a12143ebc45f243b6c86b206017b402c
soc/cores/spi: make cs/loopback CSR optional.

Useful for API retro-compatibility.
litex/soc/cores/spi.py