[Patch #164] Update: Boot off DiskOnChip 2000 and Millenium

[nobody]

Patch #164 has been updated. 

Project: 
Category: None
Status: Deleted
Summary: Update: Boot off DiskOnChip 2000 and Millenium

Follow-Ups:

Date: 2002-Feb-28 20:49
By: ilgiz

Comment:
Assume SPL must replace IPL in Millennium.
Only DoC write attempts should return an error.
Added ChangeLog entry.
Removed debugging leftovers.

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Date: 2002-Mar-01 02:02
By: ilgiz

Comment:
New configuration option for DoC Millennium --enable-diskonchip-ipl.
Since DoC Millennium maps its BIOS extension code to the beginning of flash 
memory, it is possible to replace the proprietory IPL code 
with GRUB firmware.  The necessary compile time change is the 3 byte
BIOS extension signature in the beginning of flash memory.  
Unfortunately, the signature cannot be tolerated with DoC 2000 where
IPL is in ROM. This is because the BIOS signature will be jumped to 
by IPL.  The signature 0x55, 0xAA would be executed as "push bp; 
stosb" which is dangerous.

Removed extra CDSNControl register read to save code space.

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Date: 2002-Mar-10 21:20
By: ilgiz

Comment:
Mark Meade's XIP IPL, BIOS checksum and INT 18h
BIOS network boot option --enable-diskonchip-biosnetboot.

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Date: 2002-Mar-21 22:13
By: ilgiz

Comment:
Separate DoC type options after Mark Meade's suggestion.
The lack of flash manufacturer/model table in stage 1
prevents us from detecting page size with DoC Millennium.
When the table is added, the chip type and page size
will be determined at run time and configuration options
will be merged back into --enable-diskonchip.

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Date: 2002-Mar-22 17:40
By: ilgiz

Comment:
Fix BIOS extension size to prevent BIOS from seeing extension 
signatures in other areas of DoC window.  The map of DoC Millennium 
window in reset mode allows for easy checksum calculation.  Thanks 
to Mark Meade.

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Date: 2002-May-30 17:44
By: okuji

Comment:
I decided not to use the Patch Manager. Please submit your
patch to the Bug Tracking System instead.

Thanks,
Okuji
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For more info, visit:

http://savannah.gnu.org/patch/?func=detailpatch&patch_id=164&group_id=68