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RE: TURBOChannel Scan/R4000SC@KMin

To: linux-mips@fnet.fr
Subject: RE: TURBOChannel Scan/R4000SC@KMin
From: Harald Koerfgen <harald.koerfgen@netcologne.de>
Date: Mon, 15 Jun 1998 18:22:11 +0200 (MEST)
In-reply-to: <19980614174754.65480@mini>
Organization: none
Reply-to: "Harald Koerfgen" <harald.koerfgen@netcologne.de>
Sender: harry@franz.no.dom
Hello all,

On 14-Jun-98 Florian Lohoff wrote:
> HI,
> i just tried to boot the binary 2.1.99 image on unix-ag.org on my 2 
> dectations ...
> 
> This is what i got ...
> 
> The Turbochannel scan seems not to work entirely ... and there is
> something not working with R4000 and kmin ...
> 
> 
> Decstation 5000/240
> -------------------------------
> KN03-AA V5.2b
> [...]
>>>cnfg
>  3: KN03-AA  DEC      V5.2b    TCF0  ( 64 MB,   1 MB NVRAM)
>                                      (enet: 08-00-2b-37-60-37)
>                                      (SCSI = 7)
>  2: PMAF-FA  DEC      V1.1     TCF0  (fddi: 08-00-2b-b0-97-23)
>  1: PMAZ-AA  DEC      V5.3d    TCF0  (SCSI = 7)
>  0: PMAZ-AA  DEC      V5.3d    TCF0  (SCSI = 7)
>>>boot 3/tftp
> -tftp boot(3), bootp 194.121.202.35:/boot/vmlinux-2.1.99-060698
> Linux/MIPS DECstation Boot
> Copyright (C) Paul M. Antoine 1995, 1996, 1997
> and others, 1994, 1995, 1996, 1997, 1998
> 
> Found a REX compatible boot PROM
> This DECStation is a DS5000/2x0 with 65536kB RAM
> CPU is a R3000A with 64kB I-Cache and 64kB D-Cache
> Got the following for the console env. variable: 0
> Should set to serial console...
> Will be using PROM console!
> Moving Kernel Image from 80200000 to 80030000
> Launching Kernel ...
> 
> Loading R[23]00 MMU routines.
> Linux version 2.1.99 (root@snapper.unix-ag.org) (gcc version 2.7.2) #16 Sat
> Jun8Calibrating delay loop... 39.85 BogoMIPS
> Memory: 63624k/65532k available (756k kernel code, 956k data)
> Swansea University Computer Society NET3.039 for Linux 2.1
> NET3: Unix domain sockets 0.16 for Linux NET3.038.
> Swansea University Computer Society TCP/IP for NET3.037
> IP Protocols: ICMP, UDP, TCP
> Checking for 'wait' instruction...  unavailable.
> POSIX conformance testing by UNIFIX
> TURBOchannel rev. 1 at 25.0 MHz (no parity)
> 3 slots, size 8 MB
>     slot 0: DEC      PMAZ-AA  V5.3d
> Starting kswapd v 1.5
> Ramdisk driver initialized : 16 ramdisks of 4096K size
> RAMDISK: Compressed image found at block 0
> VFS: Mounted root (ext2 filesystem).
> -----------------------------------------------------------

Oops, the TURBOchannel scanning needs some fixing, I guess :-). 
 
> Decstation 5000/150
> ------------------------
> KN04 V2.1k
> [...]
>>>cnfg
>  3: KN04     DEC      V2.1k    TCF0  ( 64 MB)
>                                      (enet: 08-00-2b-28-f0-a3)
>                                      (SCSI = 7)
>  2: PMAF-FA  DEC      V1.1     TCF0  (fddi: 08-00-2b-a3-66-57)
>  1: PMAZ-AA  DEC      V5.3b    TCF0  (SCSI = 7)
>  0: PMAZ-AA  DEC      V5.3d    TCF0  (SCSI = 7)
>>>boot 3/tftp
> 
> -tftp boot(3), bootp 194.121.202.35:/boot/vmlinux-2.1.99-060698
> -tftp load 874000+4528+97728
> Linux/MIPS DECstation Boot
> Copyright (C) Paul M. Antoine 1995, 1996, 1997
> and others, 1994, 1995, 1996, 1997, 1998
> 
> Found a REX compatible boot PROM
> This DECStation is a DS5000/1xx with 65536kB RAM
> CPU is a R4000SC with 8kB I-Cache and 8kB D-Cache
> Got the following for the osconsole env. variable: 3
> No idea what console to use!
> Will be using PROM console!
> Moving Kernel Image from 80200000 to 80030000
> Launching Kernel ...
> 
> KN04 V2.1k    (PC: 0xa0026768, SP: 0x802ee49c)
> ?IO:  3/rz0/netbsd  (bb rd)

With the help of Karel van Houten this has already be fixed. This is from a 
privat
e-mail from Karel (DS5000/260):

> -tftp boot(3), bootp 139.63.193.80:/tftpboot/nbImage 
> -tftp load 800128+4672+97744
> Linux/MIPS DECstation Boot
> Copyright (C) Paul M. Antoine 1995, 1996, 1997
> and others, 1994, 1995, 1996, 1997, 1998
> 
> Found a REX compatible boot PROM
> This DECStation is a DS5000/2x0 with 98304kB RAM
> CPU is a R4400SC with 16kB I-Cache and 16kB D-Cache
> Got the following for the console env. variable: s
> Should set to serial console...
> Will be using PROM console!
> Moving Kernel Image from 80200000 to 80030000
> Launching Kernel ...
> 
> Loading R4000 MMU routines.
> CPU revision is: 00000440
> Primary instruction cache 16kb, linesize 16 bytes)
> Primary data cache 16kb, linesize 16 bytes)
> Secondary cache sized at 1024K linesize 32
> Linux version 2.1.99 (karel@vilya.research.kpn.com) (gcc version 2.7.2) #1 
> Mon 
> Jun 15 08:21:00 MEST 1998
> Calibrating delay loop... 59.90 BogoMIPS
> Memory: 96076k/98300k available (684k kernel code, 1344k data)
> Swansea University Computer Society NET3.039 for Linux 2.1
> NET3: Unix domain sockets 0.16 for Linux NET3.038.
> Swansea University Computer Society TCP/IP for NET3.037
> IP Protocols: ICMP, UDP, TCP
> Checking for 'wait' instruction...  unavailable.
> POSIX conformance testing by UNIFIX
> TURBOchannel rev. 1 at 25.0 MHz (no parity)
> 3 slots, size 8 MB
>     slot 0: DEC      PMAGB-BA V1.1    
> Starting kswapd v 1.5 
> Ramdisk driver initialized : 16 ramdisks of 4096K size
> RAMDISK: Compressed image found at block 0
> EXT2-fs warning: checktime reached, running e2fsck is recommended
> VFS: Mounted root (ext2 filesystem).
> VFS: Cannot open root device 00:00
> Kernel panic: VFS: Unable to mount root fs on 00:00

I'll release a patch with this, and some other minor fixes, RSN :-).

> -------------------------
> 
> Flo
> --
> Florian Lohoff                flo@mini.gt.owl.de              +49-5241-470566

Thank you for your report, Florian.
---
Regards,
Harald

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