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3 commits

Author SHA1 Message Date
Ian Lepore
4d7abca057 Fix low-level uart drivers that set their fifo sizes in the softc too late. 
uart(4) allocates send and receiver buffers in attach() before it calls
the low-level driver's attach routine.  Many low-level drivers set the
fifo sizes in their attach routine, which is too late.  Other drivers set
them in the probe() routine, so that they're available when uart(4)
allocates buffers.  This fixes the ones that were setting the values too
late by moving the code to probe().
 2013-04-01 00:44:20 +00:00
Oleksandr Tymoshenko
a0eae699c9 Separate interrupts enable/disable logic from setting port parameters. 
Otherwise setting baud rate in TTY mode effectively disables TX/RX
interrupts and renders port unusable.
 2012-10-30 01:52:49 +00:00
Oleksandr Tymoshenko
f70f23cc3e Add PrimeCell UART (PL011) driver 
Obtained from:	Semihalf
 2012-08-30 20:31:53 +00:00