[U-Boot] [PATCH v6] x86: Add 64-bit memory-mapped I/O functions

[Bin Meng]

On Sat, Apr 7, 2018 at 5:43 AM, Ivan Gorinov <ivan.gorinov at intel.com> wrote:
> Add readq() and writeq() definitions for x86.
>
> Please note: in 32-bit code readq/writeq will generate two 32-bit
> memory access instructions instead of one atomic 64-bit operation.
>
> Signed-off-by: Ivan Gorinov <ivan.gorinov at intel.com>
> ---
>  arch/x86/include/asm/io.h | 4 ++++
>  1 file changed, 4 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>