x86: spi: Set maximum write size for ICH

This SPI controller can only write 64 bytes at a time. Add this restriction
in so that 'sf write' works correct for blocks larger than 64 bytes.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2013-03-11 06:08:07 +00:00
parent 1e566bc6db
commit 5e6fb69778

View file

@ -147,6 +147,11 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
return NULL;
}
/*
* Yes this controller can only write a small number of bytes at
* once! The limit is typically 64 bytes.
*/
ich->slave.max_write_size = ctlr.databytes;
ich->speed = max_hz;
return &ich->slave;