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SubjectRe: [PATCH v1] ARM: zynq: Fix earlyprintk in big endian mode
On 06/10/2015 04:13 PM, Arun Chandran wrote:
> earlyprintk messages are not appearing on the terminal
> emulator during a big endian kernel boot. If we
> byte swap the sending data it comes properly.
>
> Signed-off-by: Arun Chandran <achandran@mvista.com>
> ---
> ---
> This can be tested by adding 'early_print("early print test\n");'
> to setup_arch() in arch/arm/kernel/setup.c
> ---
> arch/arm/include/debug/zynq.S | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S
> index bd13ded..0d274fe 100644
> --- a/arch/arm/include/debug/zynq.S
> +++ b/arch/arm/include/debug/zynq.S
> @@ -38,6 +38,7 @@
> .endm
>
> .macro senduart,rd,rx
> +ARM_BE8( rev \rd, \rd )
> str \rd, [\rx, #UART_FIFO_OFFSET] @ TXDATA
> .endm
>
>

Tested-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal


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