- Fix poor resource allocation estimate.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1066 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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@ -217,8 +217,12 @@ void compute_allocate_resource(
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if (resource->flags & IORESOURCE_IO) {
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/* Don't allow potential aliases over the
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* legacy pci expansion card addresses.
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* The legacy pci decodes only 10 bits,
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* uses 100h - 3ffh. Therefor, only 0 - ff
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* can be used out of each 400h block of io
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* space.
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*/
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if ((base > 0x3ff) && ((base & 0x300) != 0)) {
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if ((base & 0x300) != 0) {
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base = (base & ~0x3ff) + 0x400;
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}
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/* Don't allow allocations in the VGA IO range.
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