isp(4) Qlogic ISP 2422 PCI-X on amd64 or sparc64?

[Anton Shterenlikht]

I've a storage array accessed with an isp(4) device
from ia64/FreeBSD box. I'm looking for a better supported
alternative to ia64, e.g. amd64 or sparc64 to house
this isp(4) device:

isp0 at pci0:192:1:0:      class=0x0c0400 card=0x12d6103c chip=0x24221077 rev=0x02 hdr=0x00
    vendor     = 'QLogic Corp.'
    device     = 'ISP2422-based 4Gb Fibre Channel to PCI-X HBA'
    class      = serial bus
    subclass   = Fibre Channel

isp0: <Qlogic ISP 2422 PCI FC-AL Adapter> port 0xc000-0xc0ff mem 0xe0040000-0xe0040fff irq 71 at device 1.0 on pci192

Has anybody used this device successfully on
either amd64 or sparc64 FreeBSD recently, i.e.
10-stable or HEAD?

Any specific recommendation for a FreeBSD server
to house this device?

Thanks

Anton