Hi Michal,
> -----Original Message-----
> Subject: [PATCH 2/4] xen/arm: debug-pl011: Add support for 32-bit only
> MMIO
>
> There are implementations of PL011 that can only handle 32-bit accesses
> as oppose to the normal behavior where accesses are 8/16-bit wide. This
> is usually advertised by setting a dt property 'reg-io-width' to 4.
>
> Introduce CONFIG_EARLY_UART_PL011_MMIO32 Kconfig option to be able to
> enable the use of 32-bit only accessors in PL011 early printk code.
> Define macros PL011_{STRH,STRB,LDRH} to distinguish accessors for normal
> case from 32-bit MMIO one and use them in arm32/arm64 pl011 early printk
> code.
>
> Update documentation accordingly.
>
> Signed-off-by: Michal Orzel <[email protected]>
I've tested this patch on top of today's staging on FVP arm32 and arm64 and
confirm this patch will not break existing functionality. So:
Tested-by: Henry Wang <[email protected]>
Kind regards,
Henry
