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| author | Simon Glass <sjg@chromium.org> | 2013-03-11 06:08:07 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2013-03-19 08:45:37 -0700 |
| commit | 5e6fb69778fa41e685add00b73ed5f22c7a96166 (patch) | |
| tree | d23ac9fbfe5147118fedb0dbaef427fe7e0f13ce /drivers/spi | |
| parent | 1e566bc6dbcfc9f13909d5cb40dd74925bcdd579 (diff) | |
| download | u-boot-5e6fb69778fa41e685add00b73ed5f22c7a96166.tar.gz u-boot-5e6fb69778fa41e685add00b73ed5f22c7a96166.tar.xz u-boot-5e6fb69778fa41e685add00b73ed5f22c7a96166.zip | |
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>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/ich.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index ef1ce1d96c..8865df5bef 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -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; |