[XS] Change in coreboot[main]: mb/emulation/qemu-aarch64/include: Update ECAM comment

[Matt DeVillier (Code Review)]

Matt DeVillier has submitted this change. ( https://review.coreboot.org/c/coreboot/+/86872?usp=email )

Change subject: mb/emulation/qemu-aarch64/include: Update ECAM comment
......................................................................

mb/emulation/qemu-aarch64/include: Update ECAM comment

Signed-off-by: Maximilian Brune 
Change-Id: I5864cb742ba8e7be54f67c234766cd8a5272f8e2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86872
Tested-by: build bot (Jenkins) 
Reviewed-by: Felix Held 
---
M src/mainboard/emulation/qemu-aarch64/include/mainboard/addressmap.h
M src/mainboard/emulation/qemu-aarch64/mainboard.c
2 files changed, 4 insertions(+), 3 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Felix Held: Looks good to me, approved

diff --git a/src/mainboard/emulation/qemu-aarch64/include/mainboard/addressmap.h b/src/mainboard/emulation/qemu-aarch64/include/mainboard/addressmap.h
index 70acac8..f3ca0e1 100644
--- a/src/mainboard/emulation/qemu-aarch64/include/mainboard/addressmap.h
+++ b/src/mainboard/emulation/qemu-aarch64/include/mainboard/addressmap.h
@@ -41,7 +41,8 @@
  * base_memmap entries (VIRT_HIGH_GIC_REDIST2 index is greater than the last
  * index of base_memmap).
  */
-#define VIRT_PCIE_ECAM_BASE 0x4010000000 /* The one in lower memory does not seem to work */
+#define VIRT_PCIE_LOW_ECAM_BASE    0x3f000000 /* only used if highmem-ecam=off (QEMU cmdline) */
+#define VIRT_PCIE_HIGH_ECAM_BASE 0x4010000000 /* only used if highmem-ecam=on  (default) */
 #define VIRT_PCIE_ECAM_SIZE (256 * MiB)
-#define VIRT_PCIE_HIGH_MMIO_BASE 0x8000000000ULL
+#define VIRT_PCIE_HIGH_MMIO_BASE  0x8000000000ULL
 #define VIRT_PCIE_HIGH_MMIO_LIMIT 0xffffffffffULL
diff --git a/src/mainboard/emulation/qemu-aarch64/mainboard.c b/src/mainboard/emulation/qemu-aarch64/mainboard.c
index 2701072..ac6b46d 100644
--- a/src/mainboard/emulation/qemu-aarch64/mainboard.c
+++ b/src/mainboard/emulation/qemu-aarch64/mainboard.c
@@ -41,7 +41,7 @@
    res->limit = VIRT_PCIE_HIGH_MMIO_LIMIT;
    res->flags = IORESOURCE_MEM | IORESOURCE_ASSIGNED;

-	mmio_range(dev, index++, VIRT_PCIE_ECAM_BASE, VIRT_PCIE_ECAM_SIZE);
+	mmio_range(dev, index++, VIRT_PCIE_HIGH_ECAM_BASE, VIRT_PCIE_ECAM_SIZE);

ram_from_to(dev, index++, (uintptr_t)_dram, cbmem_top());
 }