Hi Bin, On 29 December 2014 at 00:45, Bin Meng <bmeng...@gmail.com> wrote: > Hi Simon, > > On Sun, Dec 28, 2014 at 9:55 AM, Simon Glass <s...@chromium.org> wrote: >> On 27 December 2014 at 05:10, Bin Meng <bmeng...@gmail.com> wrote: >>> Use ePAPR defined properties for x86-uart: clock-frequency and >>> current-speed. Assign the value of clock-frequency in device tree >>> to plat->clock of x86-uart instead of using hardcoded number. >>> >>> Signed-off-by: Bin Meng <bmeng...@gmail.com> >> >>> >>> --- >>> >>> Changes in v2: >>> - New patch to use ePAPR defined properties for x86-uart >>> >>> arch/x86/dts/serial.dtsi | 5 ++--- >>> drivers/serial/serial_x86.c | 8 +++++++- >>> 2 files changed, 9 insertions(+), 4 deletions(-) >>> >>> diff --git a/arch/x86/dts/serial.dtsi b/arch/x86/dts/serial.dtsi >>> index ebdda76..9b097f4 100644 >>> --- a/arch/x86/dts/serial.dtsi >>> +++ b/arch/x86/dts/serial.dtsi >>> @@ -3,8 +3,7 @@ >>> compatible = "x86-uart"; >>> reg = <0x3f8 8>; >>> reg-shift = <0>; >>> - io-mapped = <1>; >>> - multiplier = <1>; >>> - baudrate = <115200>; >>> + clock-frequency = <1843200>; >>> + current-speed = <115200>; >> >> Where is current speed used? If it is needed, please update the >> binding at doc/device-tree-bindings/serial/ns16550.txt >> > > The current-speed is the baud rate of the serial port. Currently it is > put there for ePAPR completeness and not used by U-Boot as U-Boot is > using gd->baudrate for the serial console.
OK I see, thanks. Acked-by: Simon Glass <s...@chromium.org> _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
