Messages in this thread | | | Date | Thu, 12 Feb 2015 10:38:21 +0100 | From | Michal Simek <> | Subject | Re: [PATCH 2/2] ARM: dts: zynq: Add linux,stdout-path and stdout-path |
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Hi Mark and Simon,
On 02/11/2015 03:25 PM, Michal Simek wrote: > On 02/11/2015 01:40 PM, Mark Rutland wrote: >> On Wed, Feb 11, 2015 at 12:29:02PM +0000, Michal Simek wrote: >>> parallella - Use reference instead of hardcoded path >>> (linux,stdout-path) >>> >>> stdout-path is used by bootloader to identify console. >>> >>> Signed-off-by: Michal Simek <michal.simek@xilinx.com> >>> --- >>> >>> U-Boot driver model requires stdout-path. >>> --- >>> arch/arm/boot/dts/zynq-parallella.dts | 3 ++- >>> arch/arm/boot/dts/zynq-zc702.dts | 2 ++ >>> arch/arm/boot/dts/zynq-zc706.dts | 2 ++ >>> arch/arm/boot/dts/zynq-zed.dts | 2 ++ >>> arch/arm/boot/dts/zynq-zybo.dts | 2 ++ >>> 5 files changed, 10 insertions(+), 1 deletion(-) >>> >>> diff --git a/arch/arm/boot/dts/zynq-parallella.dts b/arch/arm/boot/dts/zynq-parallella.dts >>> index 6a5f51daa708..45228a427006 100644 >>> --- a/arch/arm/boot/dts/zynq-parallella.dts >>> +++ b/arch/arm/boot/dts/zynq-parallella.dts >>> @@ -35,7 +35,8 @@ >>> >>> chosen { >>> bootargs = "console=ttyPS0,115200 earlyprintk root=/dev/mmcblk0p2 rootfstype=ext4 rw rootwait"; >>> - linux,stdout-path = "/amba/serial@e0001000"; >>> + linux,stdout-path = &uart1; >>> + stdout-path = &uart1; >> >> Given that you added aliases in the last patch, you can use that to >> refer to the serial: >> >> stdout-path - "serial0:115200n8"; >> >> With or without the alias you can encode the UART configuration here >> too: >> >> stdout-path = "/amba/serial@e0001000:115200n8" > > let me check this configuration if it is supported by u-boot.
I have converted Linux DTSes to this style and it is working fine. For U-Boot DM this description is not supported. Simon: Do you have any plan to support this new description?
Thanks, Michal
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