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Replace most of the switch cases in the spi code with lookup on a struct instead

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This brings the SPI code in line with the generic programmer
infrastructure.

This patch is a reworked version of a patch by Jakob Bornecrantz.

Corresponding to flashrom svn r657.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Carl-Daniel Hailfinger
2009-07-22 15:36:50 +00:00
parent f3196df7f0
commit 02487aa4ed
3 changed files with 158 additions and 86 deletions
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20
ichspi.c
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@ -742,3 +742,23 @@ int ich_spi_send_command(unsigned int writecnt, unsigned int readcnt,
return result;
}
int ich_spi_send_multicommand(struct spi_command *spicommands)
{
int ret = 0;
while ((spicommands->writecnt || spicommands->readcnt) && !ret) {
ret = ich_spi_send_command(spicommands->writecnt, spicommands->readcnt,
spicommands->writearr, spicommands->readarr);
/* This awful hack needs to be smarter.
*/
if ((ret == SPI_INVALID_OPCODE) &&
((spicommands->writearr[0] == JEDEC_WREN) ||
(spicommands->writearr[0] == JEDEC_EWSR))) {
printf_debug(" due to SPI master limitation, ignoring"
" and hoping it will be run as PREOP\n");
ret = 0;
}
spicommands++;
}
return ret;
}