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nb/intel/sandybridge/acpi: Fix MMCONF size computation 

Calculate the correct MMCONF size, which was only correct for
256MiB, but not for smaller values.

Tested on HP Z220:
Fixes "Not using MMCONF" warning in dmesg.

Change-Id: I986681126637c28f6442ab7c34acea5bb58ea3d2
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38830
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Jonathan Kollasch <jakllsch@kollasch.net>
This commit is contained in:
Patrick Rudolph 2020-02-11 16:02:11 +01:00 committed by Felix Held
parent 516f0acbb0
commit 5a62427e14
1 changed files with 1 additions and 1 deletions
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src/northbridge/intel/sandybridge/acpi/sandybridge.asl
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@ -62,7 +62,7 @@ Device (PDRC)
XBR0 = \_SB.PCI0.MCHC.PXBR << 26 XBR0 = \_SB.PCI0.MCHC.PXBR << 26
CreateDwordField (PDRS, ^PCIX._LEN, XSZ0) CreateDwordField (PDRS, ^PCIX._LEN, XSZ0)
XSZ0 = 0x10000000 << \_SB.PCI0.MCHC.PXSZ XSZ0 = 0x10000000 >> \_SB.PCI0.MCHC.PXSZ
Return(PDRS) Return(PDRS)
} }