From b94ba0328d3b36ff95f5074c0e9b44f90dc56bb5 Mon Sep 17 00:00:00 2001 From: Tomasz Figa Date: Fri, 23 Jan 2015 14:47:41 +0100 Subject: serial: samsung: Add support for early console This patch adds support for early console initialized from device tree and kernel command line to all variants of Samsung serial driver. Signed-off-by: Tomasz Figa [mszyprow: added support for command line based initialization, fixed comments, added documentation] Signed-off-by: Marek Szyprowski Reviewed-by: Alim Akhtar Tested-by: Alim Akhtar Tested-by: Chanwoo Choi Signed-off-by: Greg Kroah-Hartman --- Documentation/kernel-parameters.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'Documentation/kernel-parameters.txt') diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 4df73da11adc..e855697f54c5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -970,6 +970,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted. smh Use ARM semihosting calls for early console. + s3c2410, + s3c2412, + s3c2440, + s3c6400, + s5pv210, + exynos4210, + Use early console provided by serial driver available + on Samsung SoCs, requires selecting proper type and + a correct base address of the selected UART port. The + serial port must already be setup and configured. + Options are not yet supported. + earlyprintk= [X86,SH,BLACKFIN,ARM,M68k] earlyprintk=vga earlyprintk=efi -- cgit v1.2.3