nb/intel/gm45/acpi.c: Don't read PCI config to check presence
Change-Id: I4cac29c1bf59df56df8cf0035ee1d5379bbde76e Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34837 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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@ -69,9 +69,11 @@ unsigned long acpi_fill_mcfg(unsigned long current)
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static unsigned long acpi_fill_dmar(unsigned long current)
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{
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int me_active = (pcidev_on_root(3, 0) != NULL) &&
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(pci_read_config8(pcidev_on_root(3, 0), PCI_CLASS_REVISION) !=
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0xff);
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const struct device *dev;
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dev = pcidev_on_root(3, 0);
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int me_active = dev && dev->enabled;
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int stepping = pci_read_config8(pcidev_on_root(0, 0),
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PCI_CLASS_REVISION);
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