Re: [RFC v4 03/25] m68k/atari: Move Atari-specific code out of drivers/char/nvram.c

Christian T. Steigies
2015-07-23T09:44:32Z

On Wed, Jul 22, 2015 at 02:22:21PM +1000, Finn Thain wrote:
>
> Anyone with a suitable Atari, i.e. ATARIHW_PRESENT(TT_CLK), who can boot
> both TOS and Linux could resolve the question. (Perhaps with an emulator?)
>
> Any old kernel binary would do, since atari_scsi should print either
> "HOSTID=n" or "this_id n" at startup.
>
> If n doesn't agree with what TOS says about the host's SCSI ID, then I
> think a trivial patch is safe enough. Especially if cat /proc/driver/nvram
> produces a "SCSI host ID : m" that does agree with TOS.

root@garkin:~>cat /proc/hardware
Model: Atari Falcon
System Memory: 522752K
510 MB at 0x01000000 (alternate RAM)
Detected hardware:
Falcon Shifter
Programmable Sound Generator
PCM 8 Bit Sound
CODEC Sound
SCSI Controller NCR5380 (Falcon style)
IDE Interface
8/16 Mhz Switch for FDC
Multi Function Peripheral MFP 68901
Serial Communications Controller SCC 8530
Paddle Interface
DMA Controller for SCC
Clock Chip MC146818A
Blitter
DSP56001 processor

root@garkin:~>dmesg |grep SCSI
[ 0.000000] Atari hardware found: VIDEL STDMA-SCSI ST_MFP YM2149 PCM CODEC DSP56K SCC_DMA SCC ANALOG_JOY BLITTER IDE TT_CLK FDC_SPEED
[ 0.410000] SCSI subsystem initialized
[ 0.850000] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[ 4.230000] Atari SCSI: resetting the SCSI bus... done
[ 6.750000] scsi host0: Atari native SCSI, io_port 0x0, n_io_port 0, base 0x0, irq 15, can_queue 8, cmd_per_lun 1, sg_tablesize 0, this_id 7, flags { }, options { REAL_DMA SUPPORT_TAGS }

root@garkin:~>cat /proc/driver/nvram
Checksum status : not valid
Boot preference : 0xff (undefined)
SCSI arbitration : on
SCSI host ID : 7
OS language : 255 (undefined)
Keyboard language: 255 (undefined)
Date format : 7 (undefined), 24h clock
Boot delay : 255s
Video mode : 4 colors, 40 columns, TV NTSC monitor
no overscan, compat. mode off

Let me know if you need more info.

Christian