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4 Commits

Author SHA1 Message Date
sonic zhang
f88c480dac 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>
 2007-12-01 17:35:58 -05:00
sonic zhang
dc86f6d418 libata: Return proper ATA INT status in pata_bf54x driver 
INT status can be OR.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
 2007-11-26 11:03:40 -05:00
Sonic Zhang
858c9c4066 Update libata driver for bf548 atapi controller against the 2.6.24 tree. 
Changes:
1. Remove irq_ack() and port_disable() methods
2. Acocomodate for the libata-link patches
3. Change Kconfig ATAPI mode option into a module param.
4. Add supported WMDMA mode.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
 2007-10-17 20:49:02 -04:00
Sonic Zhang
d830d1731f libata driver for bf548 on chip ATAPI controller. 
Fix all issues pointed out in Jeff's email.

Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
 2007-10-12 14:55:37 -04:00