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Refine SPI AAI support

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Modernize SPI AAI code, blacklist IT87 SPI for AAI, allow AAI to run
without warnings on ICH/VIA SPI. Add some code to make conversion to
partial write possible for AAI.

Corresponding to flashrom svn r1052.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Sean Nelson <audiohacked@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2010-06-20 10:41:35 +00:00
parent 8ae500e09d
commit 9c62d11d55
2 changed files with 72 additions and 15 deletions
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6
spi.h
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@ -112,6 +112,12 @@
#define JEDEC_BYTE_PROGRAM_OUTSIZE 0x05
#define JEDEC_BYTE_PROGRAM_INSIZE 0x00
/* Write AAI word (SST25VF080B) */
#define JEDEC_AAI_WORD_PROGRAM 0xad
#define JEDEC_AAI_WORD_PROGRAM_OUTSIZE 0x06
#define JEDEC_AAI_WORD_PROGRAM_CONT_OUTSIZE 0x06
#define JEDEC_AAI_WORD_PROGRAM_INSIZE 0x00
/* Error codes */
#define SPI_GENERIC_ERROR -1
#define SPI_INVALID_OPCODE -2