diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/picasso/acpi/sb_pci0_fch.asl | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl index cbb1b91782..ed321f3e32 100644 --- a/src/soc/amd/picasso/acpi/sb_pci0_fch.asl +++ b/src/soc/amd/picasso/acpi/sb_pci0_fch.asl @@ -1,5 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include <arch/ioapic.h> + External(\_SB.ALIB, MethodObj) /* System Bus */ @@ -71,16 +73,9 @@ Method(_CRS, 0) { CreateDWordField(CRES, ^MMIO._BAS, MM1B) CreateDWordField(CRES, ^MMIO._LEN, MM1L) - /* - * Declare memory between TOM1 and 4GB as available - * for PCI MMIO. - * Use ShiftLeft to avoid 64bit constant (for XP). - * This will work even if the OS does 32bit arithmetic, as - * 32bit (0x00000000 - TOM1) will wrap and give the same - * result as 64bit (0x100000000 - TOM1). - */ + /* Declare memory between TOM1 and IOAPIC as available for PCI MMIO. */ MM1B = TOM1 - Local0 = 0x10000000 << 4 + Local0 = IO_APIC_ADDR /* This is the first MMIO device after TOM1. */ Local0 -= TOM1 MM1L = Local0 |