bsps/zynqmp: Add option to map PCIe address space

Added ability to map PCIe address space on ZynqMP.

bsps/aarch64/xilinx-zynqmp/start/mmu-config.c

@@ -44,6 +44,13 @@ BSP_START_DATA_SECTION const aarch64_mmu_config_entry
 aarch64_mmu_config_table[] = {
   AARCH64_MMU_DEFAULT_SECTIONS,
   {
+#ifdef ZYNQMP_MMU_PCIE_ENABLE
+  /* PCIe low */
+    .begin = 0xe0000000,
+    .end = 0xf0000000,
+    .flags = AARCH64_MMU_DEVICE
+  }, {
+#endif /* ZYNQMP_MMU_PCIE_ENABLE */
     .begin = 0xf9000000U,
     .end = 0xf9100000U,
     .flags = AARCH64_MMU_DEVICE
@@ -69,6 +76,16 @@ aarch64_mmu_config_table[] = {
     .begin = 0xb0000000U,
     .end = 0xb0200000U,
     .flags = AARCH64_MMU_DATA_RW
+#ifdef ZYNQMP_MMU_PCIE_ENABLE
+  }, { /* PCIe high */
+    .begin = 0x600000000U,
+    .end = 0x800000000U,
+    .flags = AARCH64_MMU_DEVICE
+  }, { /* PCIe high */
+    .begin = 0x8000000000U,
+    .end = 0xc000000000U,
+    .flags = AARCH64_MMU_DEVICE
+#endif /* ZYNQMP_MMU_PCIE_ENABLE */
   }
 };
 

spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml

@@ -38,6 +38,8 @@ links:
   uid: optclki2c1
 - role: build-dependency
   uid: optclkuart
+- role: build-dependency
+  uid: optpciemmu
 - role: build-dependency
   uid: ../objclockarmgenerictimer
 - role: build-dependency

spec/build/bsps/aarch64/xilinx-zynqmp/optpciemmu.yml

@@ -0,0 +1,17 @@
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+actions:
+- get-integer: null
+- define: null
+build-type: option
+copyrights:
+- Copyright (C) 2026 Aaron Nyholm
+default:
+- enabled-by: true
+  value: false
+description: |
+  Enable ZynqMP PCIe address space mapping
+enabled-by: true
+format: '{}'
+links: []
+name: ZYNQMP_MMU_PCIE_ENABLE
+type: build