| commit | 21d004368fc8a4da07147c58dfe9a4e16d4ab761 | [log] [tgz] |
|---|---|---|
| author | Simon Glass <sjg@chromium.org> | Mon Jan 26 18:27:09 2015 -0700 |
| committer | Simon Glass <sjg@chromium.org> | Thu Feb 19 06:20:28 2015 -0700 |
| tree | 0d6b2bc4ce8caf0d56e74084c66f05d761d28ed7 | |
| parent | 765716744f6743d6c1e6b3c92eea163b4ee59f3c [diff] |
serial: ns16550: Support debug UART Add debug UART functions to permit ns16550 to provide an early debug UART. Try to avoid using the stack so that this can be called from assembler before a stack is set up (at least on ARM and PowerPC). Signed-off-by: Simon Glass <sjg@chromium.org>