[PATCH v2 1/4] x86: spi: Add a way to access the SPI mapping via registers

[Bin Meng]

On Wed, May 27, 2020 at 8:58 PM Simon Glass <sjg at chromium.org> wrote:
>
> At present the PCI BDF (bus/device/function) is needed to access the SPI
> mapping, since the registers are at BAR0. This doesn't work when PCI
> auto-config has not been done yet, since BARs are unassigned.
>
> Add another way to find the mapping, using the MMIO base, if the caller
> knows this.
>
> Also add a missing function comment.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2: None
>
>  arch/x86/cpu/intel_common/fast_spi.c | 19 ++++++++++++++-----
>  arch/x86/include/asm/fast_spi.h      | 19 +++++++++++++++++++
>  2 files changed, 33 insertions(+), 5 deletions(-)
>

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