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From: Bruno Li <libruno@yahoo.com>
To: linuxppc-embedded@lists.linuxppc.org
Subject: What to change on u-boot if we want to remove SPD EEPROM?
Date: Wed, 11 Jun 2003 18:47:45 -0700 (PDT)	[thread overview]
Message-ID: <20030612014745.47244.qmail@web41509.mail.yahoo.com> (raw)


Hi:

We want to remove SPD EEPROM on ppc440gp to lower the
expense. The plan is to change u-boot code to use a
memory buffer (filled with the content of SPD EEPROM).
Is this possible?

I removed the SPD EEPROM on my ppc440gp board, and
changed u-boot code to use a memory buffer whenever
the code need to access SPD EEPROM, however, I found
that pci bus scan fails, u-boot stops at this line (of
pci_hose_scan_bus() in drivers/pci.c:
pci_hose_read_config_byte(hose, dev, PCI_HEADER_TYPE,
&header_type);

What extra initialization should I do when SPD EEPROM
is missing from the system?

Thanks,

Bruno


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

             reply	other threads:[~2003-06-12  1:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-06-12  1:47 Bruno Li [this message]
2003-06-12 10:03 ` What to change on u-boot if we want to remove SPD EEPROM? Wolfgang Denk

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