This little series makes the SPI memory-mapping query work on all current x86 boards where possible, returning an error code (rather than hanging) when it fails.
It replaces the previous patch at [1]. Unfortunately it is quite a bit more complicated.
This fixes booting on link and samus.
[1] http://patchwork.ozlabs.org/project/uboot/patch/20200324074524.1.Ibc9c511db5...
Simon Glass (3): x86: spi: Add a way to access the SPI mapping via registers x86: spi: Rewrite logic for obtaining the SPI memory map x86: spl: Print the error on SPL failure
arch/x86/cpu/intel_common/fast_spi.c | 19 +++-- arch/x86/include/asm/fast_spi.h | 19 +++++ arch/x86/lib/spl.c | 4 +- drivers/spi/ich.c | 103 +++++++++++++++++++++++---- 4 files changed, 123 insertions(+), 22 deletions(-)