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This patch aims to restructure SPI flash support in a more reasonable way

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It introduces a generic SPI host driver for the IT8716F Super I/O
which will enable easy SPI programming without having to care for the
peculiarities of the SPI host.

To activate probing for the IT8716F, you have to use the gigabyte:m57sli
mainboard override. SPI support will then use the gathered SPI host data
to access the SPI flash.

This has been tested sucessfully by Ward Vandewege <ward@gnu.org> on the
GA-M57SLI v2.0, which has a MX25L4005 SPI flash part.

Corresponding to flashrom svn r140 and coreboot v2 svn r2817.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Ward Vandewege <ward@gnu.org>
This commit is contained in:
Carl-Daniel Hailfinger
2007-10-02 15:49:25 +00:00
committed by Ward Vandewege
parent 9224262838
commit e151499fd2
3 changed files with 119 additions and 19 deletions
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2
flashchips.c
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@ -38,6 +38,8 @@ struct flashchip flashchips[] = {
probe_jedec, erase_chip_jedec, write_jedec},
{"Mx29f002", MX_ID, MX_29F002, 256, 64 * 1024,
probe_29f002, erase_29f002, write_29f002},
{"MX25L4005", MX_ID, MX_25L4005, 512, 4 * 1024,
probe_spi, NULL, NULL},
{"SST29EE020A", SST_ID, SST_29EE020A, 256, 128,
probe_jedec, erase_chip_jedec, write_jedec},
{"SST28SF040A", SST_ID, SST_28SF040, 512, 256,