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

On Wed, May 27, 2020 at 8:58 PM Simon Glass sjg@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@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@gmail.com