soc/amd/stoneyridge/acpi/sb_pci0_fch: report correct PCI MMIO BAR window
This ports back commit d75ee46d3ce6 ("soc/amd/picasso/acpi: Change PCI0
BAR window") to Stoneyridge so that the correct end of the non-fixed
MMIO region gets reported in PCI0's _CRS method.
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I19153947cbb1b1b684291765eb1902caac65b9ec
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74809
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
index dad8aaa..a4903e9 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 @@
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