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Commit f88c480d authored by sonic zhang's avatar sonic zhang Committed by Jeff Garzik
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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: default avatarSonic Zhang <sonic.zhang@analog.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 92d499d9
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