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nb/intel/i440bx: Make ROM area unavailable for MMIO 

Change-Id: Iede1452cce8a15f85d70a3c38b4ec9e2d4a54f9e
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41091
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Keith Hui 2020-05-05 22:31:59 -04:00 committed by Patrick Georgi
parent 215e7fc399
commit e284bd672c
1 changed files with 1 additions and 0 deletions
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src/northbridge/intel/i440bx/acpi/sb_pci0_crs.asl
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@ -62,6 +62,7 @@ Method(_CRS, 0) {
*/ */
MM1B = \_SB.PCI0.NB.TOM1 MM1B = \_SB.PCI0.NB.TOM1
Local0 = 0x10000000 << 4 Local0 = 0x10000000 << 4
Local0 -= CONFIG_ROM_SIZE
MM1L = Local0 - MM1B MM1L = Local0 - MM1B
Return(TMP) Return(TMP)