[coreboot-gerrit] Change in ...coreboot[master]: soc/sifive/fu540: add code for spi and map flash to memory spaces

[Xiang Wang (Code Review)]

Hello build bot (Jenkins),

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

https://review.coreboot.org/c/coreboot/+/33055

to look at the new patch set (#3).

Change subject: soc/sifive/fu540: add code for spi and map flash to memory spaces
......................................................................

soc/sifive/fu540: add code for spi and map flash to memory spaces

SiFive's ZSBL has initialized flash, but only 16MB of space is available.

1. add code for spi
2. add code to map flash to memory spaces
3. to support HiFive Unleashed's ISSI Flash (IS25WP256D)

Change-Id: I106688c65ac7dd70be7479dc4691797b700682d9
Signed-off-by: Xiang Wang 
---
M src/drivers/spi/Kconfig
M src/drivers/spi/Makefile.inc
A src/drivers/spi/issi.c
M src/drivers/spi/spi_flash_internal.h
M src/mainboard/sifive/hifive-unleashed/Makefile.inc
A src/mainboard/sifive/hifive-unleashed/media.c
M src/soc/sifive/fu540/Makefile.inc
A src/soc/sifive/fu540/include/soc/spi.h
D src/soc/sifive/fu540/media.c
A src/soc/sifive/fu540/spi.c
A src/soc/sifive/fu540/spi_internal.h
11 files changed, 981 insertions(+), 28 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/33055/3