diff options
Diffstat (limited to 'src/soc/amd')
| -rw-r--r-- | src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl index dad8aaa2cf..a4903e9b60 100644 --- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl +++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl @@ -98,16 +98,9 @@ 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 MMCONF as available for PCI MMIO. */ MM1B = TOM1 - Local0 = 0x10000000 << 4 + Local0 = CONFIG_ECAM_MMCONF_BASE_ADDRESS Local0 -= TOM1 MM1L = Local0 |