On Thu, 8 May 2014 17:23:37 -0500, Rob Herring <robherring2@xxxxxxxxx> wrote: > From: Rob Herring <robh@xxxxxxxxxx> > > This series adds support for early serial console initialization using > DT. This enables determining the serial port type and address using the > FDT and allows enabling the console before platform specific > initialization runs. I've tested this on arm64. ARM support is dependent > on adding fixmap support. > > Currently, the earlycon is only enabled if "earlycon" is present on the > kernel command line. The FDT needs to have /chosen/stdout-path set to > the path of the serial port. > > This series is dependent on generic earlycon[1], libfdt support[2], and > vmlinux.lds.h clean-ups[3]. The first 2 are in linux-next already. A git > branch is available here: > > git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git earlycon-dt Nice. For the whole series: Acked-by: Grant Likely <grant.likely@xxxxxxxxxx> I haven't tested it though. > > Rob > > [1] https://lkml.org/lkml/2014/4/18/573 > [2] https://lkml.org/lkml/2014/4/22/1202 > [3] https://lkml.org/lkml/2014/3/27/285 > > Rob Herring (6): > of: align RESERVEDMEM_OF_DECLARE function callbacks to other callbacks > of: consolidate linker section OF match table declarations > serial: earlycon: add DT support > of/fdt: add FDT address translation support > of/fdt: add FDT serial scanning for earlycon > tty/serial: pl011: add DT based earlycon support > > drivers/clocksource/clksrc-of.c | 2 +- > drivers/irqchip/irqchip.h | 7 +- > drivers/of/Makefile | 2 + > drivers/of/fdt.c | 56 +++++++++ > drivers/of/fdt_address.c | 241 ++++++++++++++++++++++++++++++++++++++ > drivers/of/of_reserved_mem.c | 2 +- > drivers/tty/serial/amba-pl011.c | 1 + > drivers/tty/serial/earlycon.c | 27 +++++ > include/asm-generic/vmlinux.lds.h | 4 +- > include/linux/clk-provider.h | 5 +- > include/linux/clocksource.h | 16 +-- > include/linux/of.h | 22 ++++ > include/linux/of_fdt.h | 1 + > include/linux/of_reserved_mem.h | 22 +--- > include/linux/serial_core.h | 6 + > 15 files changed, 372 insertions(+), 42 deletions(-) > create mode 100644 drivers/of/fdt_address.c > > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
