[L] Change in coreboot[master]: WIP: Add xlate_windows to mmap 32M flash

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Matt DeVillier, Zheng Bao, Martin Roth, Fred Reitberger, Felix Held.

Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Marshall Dawson, Matt DeVillier, Zheng Bao, Martin Roth, Fred Reitberger, Felix Held,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/74260

to look at the new patch set (#2).

Change subject: WIP: Add xlate_windows to mmap 32M flash
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WIP: Add xlate_windows to mmap 32M flash

Use SPI ROM page to switch pages.

This is one of series of patches to support 32/64M flash.
BUG=b:255374782

Change-Id: Ibd2bf1390635494443cac9ee8600a4a741a78c0d
Signed-off-by: Zheng Bao 
---
M src/soc/amd/common/block/spi/Kconfig
M src/soc/amd/common/block/spi/Makefile.inc
A src/soc/amd/common/block/spi/spi_map_big.c
3 files changed, 265 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/60/74260/2