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| author | Stefan Agner <stefan@agner.ch> | 2015-10-17 09:45:55 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-10-18 06:18:30 +0200 |
| commit | 1d59b382f1c4111933ab56166eb520ac98676b22 (patch) | |
| tree | 90c029df49ae0b5858b6f5728112e208fc0e05d2 /Documentation/kernel-parameters.txt | |
| parent | tty: disable unbind for old 74xx based serial/mpsc console port (diff) | |
| download | linux-1d59b382f1c4111933ab56166eb520ac98676b22.tar.xz linux-1d59b382f1c4111933ab56166eb520ac98676b22.zip | |
serial: fsl_lpuart: add earlycon support
Add support for DT and command line based earlycon support for
lpuart and lpuart32 used on Freescale Vybrid and and QorIQ LS1021A
processors.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 22a4b687ea5b..8d9dd534c6a8 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1023,6 +1023,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. serial port must already be setup and configured. Options are not yet supported. + lpuart,<addr> + lpuart32,<addr> + Use early console provided by Freescale LP UART driver + found on Freescale Vybrid and QorIQ LS1021A processors. + A valid base address must be provided, and the serial + port must already be setup and configured. + earlyprintk= [X86,SH,BLACKFIN,ARM,M68k] earlyprintk=vga earlyprintk=efi |