69 lines
2.5 KiB
Plaintext
69 lines
2.5 KiB
Plaintext
|
README file for the Linux g_NCR5380 driver.
|
||
|
|
|
||
|
|
(c) 1993 Drew Eckhard
|
||
|
|
NCR53c400 extensions (c) 1994,1995,1996 Kevin Lentin
|
||
|
|
|
||
|
|
This file documents the NCR53c400 extensions by Kevin Lentin and some
|
||
|
|
enhancements to the NCR5380 core.
|
||
|
|
|
||
|
|
This driver supports both NCR5380 and NCR53c400 cards in port or memory
|
||
|
|
mapped modes. Currently this driver can only support one of those mapping
|
||
|
|
modes at a time but it does support both of these chips at the same time.
|
||
|
|
The next release of this driver will support port & memory mapped cards at
|
||
|
|
the same time. It should be able to handle multiple different cards in the
|
||
|
|
same machine.
|
||
|
|
|
||
|
|
The drivers/scsi/Makefile has an override in it for the most common
|
||
|
|
NCR53c400 card, the Trantor T130B in its default configuration:
|
||
|
|
Port: 0x350
|
||
|
|
IRQ : 5
|
||
|
|
|
||
|
|
The NCR53c400 does not support DMA but it does have Pseudo-DMA which is
|
||
|
|
supported by the driver.
|
||
|
|
|
||
|
|
This driver provides some information on what it has detected in
|
||
|
|
/proc/scsi/g_NCR5380/x where x is the scsi card number as detected at boot
|
||
|
|
time. More info to come in the future.
|
||
|
|
|
||
|
|
This driver works as a module.
|
||
|
|
When included as a module, parameters can be passed on the insmod/modprobe
|
||
|
|
command line:
|
||
|
|
irq=xx[,...] the interrupt(s)
|
||
|
|
base=xx[,...] the port or base address(es) (for port or memory mapped, resp.)
|
||
|
|
card=xx[,...] card type(s):
|
||
|
|
0 = NCR5380,
|
||
|
|
1 = NCR53C400,
|
||
|
|
2 = NCR53C400A,
|
||
|
|
3 = Domex Technology Corp 3181E (DTC3181E)
|
||
|
|
4 = Hewlett Packard C2502
|
||
|
|
|
||
|
|
These old-style parameters can support only one card:
|
||
|
|
ncr_irq=xx the interrupt
|
||
|
|
ncr_addr=xx the port or base address (for port or memory
|
||
|
|
mapped, resp.)
|
||
|
|
ncr_5380=1 to set up for a NCR5380 board
|
||
|
|
ncr_53c400=1 to set up for a NCR53C400 board
|
||
|
|
ncr_53c400a=1 to set up for a NCR53C400A board
|
||
|
|
dtc_3181e=1 to set up for a Domex Technology Corp 3181E board
|
||
|
|
hp_c2502=1 to set up for a Hewlett Packard C2502 board
|
||
|
|
|
||
|
|
e.g.
|
||
|
|
OLD: modprobe g_NCR5380 ncr_irq=5 ncr_addr=0x350 ncr_5380=1
|
||
|
|
NEW: modprobe g_NCR5380 irq=5 base=0x350 card=0
|
||
|
|
for a port mapped NCR5380 board or
|
||
|
|
|
||
|
|
OLD: modprobe g_NCR5380 ncr_irq=255 ncr_addr=0xc8000 ncr_53c400=1
|
||
|
|
NEW: modprobe g_NCR5380 irq=255 base=0xc8000 card=1
|
||
|
|
for a memory mapped NCR53C400 board with interrupts disabled or
|
||
|
|
|
||
|
|
NEW: modprobe g_NCR5380 irq=0,7 base=0x240,0x300 card=3,4
|
||
|
|
for two cards: DTC3181 (in non-PnP mode) at 0x240 with no IRQ
|
||
|
|
and HP C2502 at 0x300 with IRQ 7
|
||
|
|
|
||
|
|
(255 should be specified for no or DMA interrupt, 254 to autoprobe for an
|
||
|
|
IRQ line if overridden on the command line.)
|
||
|
|
|
||
|
|
|
||
|
|
Kevin Lentin
|
||
|
|
K.Lentin@cs.monash.edu.au
|