diff options
| author | sonic zhang <sonic.adi@gmail.com> | 2007-11-27 12:47:39 +0800 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-12-01 17:35:58 -0500 |
| commit | f88c480dac88a754f84e943cb5539d59cda3c089 (patch) | |
| tree | 5c2485dcab759849ecfda80d2f6b0fdc93c983b1 /drivers/spi | |
| parent | 92d499d991ec4f5cbd00d6f33967eab9d3ee8d6c (diff) | |
Set proper ATA UDMA mode for bf548 according to system clock.
UDMA Mode - Frequency compatibility
UDMA5 - 100 MB/s - SCLK = 133 MHz
UDMA4 - 66 MB/s - SCLK >= 80 MHz
UDMA3 - 44.4 MB/s - SCLK >= 50 MHz
UDMA2 - 33 MB/s - SCLK >= 40 MHz
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/spi')
0 files changed, 0 insertions, 0 deletions