diff options
Diffstat (limited to 'Documentation/scsi')
-rw-r--r-- | Documentation/scsi/g_NCR5380.rst | 93 | ||||
-rw-r--r-- | Documentation/scsi/g_NCR5380.txt | 68 | ||||
-rw-r--r-- | Documentation/scsi/index.rst | 1 | ||||
-rw-r--r-- | Documentation/scsi/scsi-parameters.txt | 6 |
4 files changed, 97 insertions, 71 deletions
diff --git a/Documentation/scsi/g_NCR5380.rst b/Documentation/scsi/g_NCR5380.rst new file mode 100644 index 000000000000..a282059fec43 --- /dev/null +++ b/Documentation/scsi/g_NCR5380.rst @@ -0,0 +1,93 @@ +.. SPDX-License-Identifier: GPL-2.0 +.. include:: <isonum.txt> + +========================================== +README file for the Linux g_NCR5380 driver +========================================== + +Copyright |copy| 1993 Drew Eckhard + +NCR53c400 extensions Copyright |copy| 1994,1995,1996 Kevin Lentin + +This file documents the NCR53c400 extensions by Kevin Lentin and some +enhancements to the NCR5380 core. + +This driver supports NCR5380 and NCR53c400 and compatible cards in port or +memory mapped modes. + +Use of an interrupt is recommended, if supported by the board, as this will +allow targets to disconnect and thereby improve SCSI bus utilization. + +If the irq parameter is 254 or is omitted entirely, the driver will probe +for the correct IRQ line automatically. If the irq parameter is 0 or 255 +then no IRQ will be used. + +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. Trantor T130B in its default configuration:: + + modprobe g_NCR5380 irq=5 base=0x350 card=1 + +or alternatively, using the old syntax:: + + modprobe g_NCR5380 ncr_irq=5 ncr_addr=0x350 ncr_53c400=1 + +E.g. a port mapped NCR5380 board, driver to probe for IRQ:: + + modprobe g_NCR5380 base=0x350 card=0 + +or alternatively:: + + modprobe g_NCR5380 ncr_addr=0x350 ncr_5380=1 + +E.g. a memory mapped NCR53C400 board with no IRQ:: + + modprobe g_NCR5380 irq=255 base=0xc8000 card=1 + +or alternatively:: + + modprobe g_NCR5380 ncr_irq=255 ncr_addr=0xc8000 ncr_53c400=1 + +E.g. two cards, DTC3181 (in non-PnP mode) at 0x240 with no IRQ +and HP C2502 at 0x300 with IRQ 7:: + + modprobe g_NCR5380 irq=0,7 base=0x240,0x300 card=3,4 + +Kevin Lentin +K.Lentin@cs.monash.edu.au diff --git a/Documentation/scsi/g_NCR5380.txt b/Documentation/scsi/g_NCR5380.txt deleted file mode 100644 index 37b1967a00a9..000000000000 --- a/Documentation/scsi/g_NCR5380.txt +++ /dev/null @@ -1,68 +0,0 @@ -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 NCR5380 and NCR53c400 and compatible cards in port or -memory mapped modes. - -Use of an interrupt is recommended, if supported by the board, as this will -allow targets to disconnect and thereby improve SCSI bus utilization. - -If the irq parameter is 254 or is omitted entirely, the driver will probe -for the correct IRQ line automatically. If the irq parameter is 0 or 255 -then no IRQ will be used. - -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. Trantor T130B in its default configuration: -modprobe g_NCR5380 irq=5 base=0x350 card=1 -or alternatively, using the old syntax, -modprobe g_NCR5380 ncr_irq=5 ncr_addr=0x350 ncr_53c400=1 - -E.g. a port mapped NCR5380 board, driver to probe for IRQ: -modprobe g_NCR5380 base=0x350 card=0 -or alternatively, -modprobe g_NCR5380 ncr_addr=0x350 ncr_5380=1 - -E.g. a memory mapped NCR53C400 board with no IRQ: -modprobe g_NCR5380 irq=255 base=0xc8000 card=1 -or alternatively, -modprobe g_NCR5380 ncr_irq=255 ncr_addr=0xc8000 ncr_53c400=1 - -E.g. two cards, DTC3181 (in non-PnP mode) at 0x240 with no IRQ -and HP C2502 at 0x300 with IRQ 7: -modprobe g_NCR5380 irq=0,7 base=0x240,0x300 card=3,4 - -Kevin Lentin -K.Lentin@cs.monash.edu.au diff --git a/Documentation/scsi/index.rst b/Documentation/scsi/index.rst index aad8359357e6..4b577c9e804e 100644 --- a/Documentation/scsi/index.rst +++ b/Documentation/scsi/index.rst @@ -20,5 +20,6 @@ Linux SCSI Subsystem dc395x dpti FlashPoint + g_NCR5380 scsi_transport_srp/figures diff --git a/Documentation/scsi/scsi-parameters.txt b/Documentation/scsi/scsi-parameters.txt index 266fd3b2398a..864bbf7f737b 100644 --- a/Documentation/scsi/scsi-parameters.txt +++ b/Documentation/scsi/scsi-parameters.txt @@ -57,13 +57,13 @@ parameters may be changed at runtime by the command See header of drivers/scsi/NCR_D700.c. ncr5380= [HW,SCSI] - See Documentation/scsi/g_NCR5380.txt. + See Documentation/scsi/g_NCR5380.rst. ncr53c400= [HW,SCSI] - See Documentation/scsi/g_NCR5380.txt. + See Documentation/scsi/g_NCR5380.rst. ncr53c400a= [HW,SCSI] - See Documentation/scsi/g_NCR5380.txt. + See Documentation/scsi/g_NCR5380.rst. ncr53c8xx= [HW,SCSI] |