[OpenBIOS] [PATCH] RFC: Change ofmem_common.c to set memory translation properties by reference

[Artyom Tarasenko]

On Fri, Oct 15, 2010 at 3:43 PM, Mark Cave-Ayland
<mark.cave-ayland at siriusit.co.uk> wrote:
> Artyom Tarasenko wrote:
>
>>> I think so. Actually m48t59 is emulated in sparc32, but not connected
>>> in case of sparc64.
>>
>> The referencing comment in the opensolaris source:
>>
>> http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/uts/sun4u/os/fillsysinfo.c#136
>>
>> * Appropriate tod module will be dynamically selected while booting
>> * based on finding a device tree node with a "device_type" property value
>> * of "tod". If such a node describing tod is not found, for backward
>> * compatibility, a node with a "name" property value of "eeprom" and
>> * "model" property value of "mk48t59" will be used. Failing to find a
>> * node matching either of the above criteria will result in no tod module
>> * being selected; this will cause the boot process to halt
>>
>> On the real U30 machine:
>>
>> ok cd /pci at 1f,4000/ebus at 1/eeprom at 14,0
>> ok .properties
>> address                  fffa4000
>> reg                      00000014 00000000 00002000
>> model                    mk48t59
>> name                     eeprom
>> ok
>
> Oh, that's interesting. If I look in drivers/obio.c then I can see an eeprom
> device named "mk48t08" rather than "mk48t59". Is this a typo, or does it
> need a new explicit device defined in pci.c's ebus_config_cb() somewhere?

Have you meanwhile tried to change the name to "mk48t59" ? I think
changing the chip in qemu is not neccessary (and even if it is the
name in OpenBIOS has to be changed anyway).


-- 
Regards,
Artyom Tarasenko

solaris/sparc under qemu blog: http://tyom.blogspot.com/