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x86: Introduce pci_map_biosrom()

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The isci driver needs to retrieve its preboot OROM image which contains
necessary runtime parameters like platform specific sas addresses and
phy configuration.  There is no ROM BAR associated with this area,
instead we will need to scan legacy expansion ROM space.

1/ Promote the probe_roms_32 implementation to x86-64
2/ Add a facility to find and map an adapter rom by pci device (according to
   PCI Firmware Specification Revision 3.0)

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
LKML-Reference: <20110308183226.6246.90354.stgit@localhost6.localdomain6>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Dan Williams
2011-03-08 10:36:19 -08:00
committed by H. Peter Anvin
parent 45bb1674b9
commit 5d94e81f69
6 changed files with 112 additions and 4 deletions
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arch/x86/kernel/head32.c
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@@ -23,7 +23,6 @@
static void __init i386_default_early_setup(void)
{
/* Initialize 32bit specific setup functions */
x86_init.resources.probe_roms = probe_roms;
x86_init.resources.reserve_resources = i386_reserve_resources;
x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;