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| author | Ian Campbell <ian.campbell@citrix.com> | 2013-09-20 17:18:35 +0100 |
|---|---|---|
| committer | Ian Campbell <ian.campbell@citrix.com> | 2013-09-21 16:27:45 +0100 |
| commit | 50417cd978aa54930d065ac1f139f935d14af76d (patch) | |
| tree | 16c9096142fef419b39c2ad70a47110bb4483e38 /extras | |
| parent | 7c1de0038895cbc75ebd0caffc5b0f3f03c5ad51 (diff) | |
| download | xen-50417cd978aa54930d065ac1f139f935d14af76d.tar.gz xen-50417cd978aa54930d065ac1f139f935d14af76d.tar.bz2 xen-50417cd978aa54930d065ac1f139f935d14af76d.zip | |
ns16550: support DesignWare 8250
This hardware has an additional feature which signals an error if you try to
write LCR while the UART is busy. We need to clear this error during setup,
otherwise LCR.DLAB doesn't get set and we cannot read/write the divisor.
This has been tested on the cubieboard2
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
Cc: jbeulich@suse.com
Diffstat (limited to 'extras')
0 files changed, 0 insertions, 0 deletions