The ASATA Controller BAR0~BAR4 must be alloccated IO bar,BAR5 must be
allocated Memory BAR?
The Bar0~4 IO Bar is option or necessary?
--------------------------------------------------
From: "Jeff Garzik" <jgarzik@xxxxxxxxx>
Sent: Friday, June 13, 2008 4:49 PM
To: "dunneil" <dunneil@xxxxxxx>
Cc: <linux-ide@xxxxxxxxxxxxxxx>
Subject: Re: ahci.c
dunneil wrote:
if there are two ASATA controller inside motherboard, it will cause
conflict
for BUS Master Enable bit? Do i need disable the motherboard integrated
ASATA controoller for my separate ASATA controller FPGA board?
You can have as many AHCI PCI devices as you wish.
Each PCI device has its own Bus Master Enable bit in the PCI Command
register.
Jeff
--
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
