From: Mark Brown <broonie@sirena.org.uk>
To: linuxppc-embedded@ozlabs.org
Subject: Platform devices on MPC8245
Date: Wed, 31 Aug 2005 13:26:00 +0100 [thread overview]
Message-ID: <20050831122556.GA474@projectcolo.org.uk> (raw)
I'm having some trouble using the platform device support for the
MPC8245 using memory map B, set up using mpc10x_bridge_init(). When
that function registers the host bridge it registers addresses
0x80000000-0xfebfffff for the bridge but by default (with EUMB mapped to
MPC10X_MAPB_EUMB_BASE) the platform devices on the chip are also within
this address range. The problem I'm seeing is that when
platform_device_register() comes to call request_resource() on the
devices that call fails because the addresses have already been
allocated to the PCI host bridge.
I'm sure I must be missing something really obvious about how this is
supposed to work but I can't for the life of me see what. Changing the
platform code to use insert_resource() rather than request_resource()
allows the devices to register and be used but that seems rather too
drastic to be it.
Thanks for any help.
--
"You grabbed my hand and we fell into it, like a daydream - or a fever."
next reply other threads:[~2005-08-31 12:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-31 12:26 Mark Brown [this message]
2005-09-07 16:34 ` Platform devices on MPC8245 Mark Brown
2005-09-07 16:42 ` Vitaly Bordug
2005-09-07 16:58 ` Mark Brown
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