Nico Huber uploaded patch set #2 to this change.

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spi25: Use common code for nbyte read/write and block erase

Introduce spi_prepare_address() and spi_write_cmd() and use them in
nbyte_program, nbyte_read and block-erase procedures. The former
abstracts over the address part of a SPI command to make it exten-
sible for 4-byte adressing. spi_write_cmd() implements a WREN + write
operation with address and optionally up to 256 bytes of data. It
provides a common path to reduce overall redundancy.

Also, reduce the polling delay in spi_block_erase_c4() from 500s to
500ms as the comment suggests.

Change-Id: Ibc1ae48acbfbd427a30bcd64bdc080dc3dc20503
Signed-off-by: Nico Huber <nico.h@gmx.de>
---
M chipdrivers.h
M spi.h
M spi25.c
3 files changed, 105 insertions(+), 429 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/83/22383/2

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