diff --git a/configs/devices/microblaze-softmmu/default.mak b/configs/devices/microblaze-softmmu/default.mak
index 583e3959bb..7894106465 100644
--- a/configs/devices/microblaze-softmmu/default.mak
+++ b/configs/devices/microblaze-softmmu/default.mak
@@ -2,5 +2,3 @@
 
 # Boards are selected by default, uncomment to keep out of the build.
 # CONFIG_PETALOGIX_S3ADSP1800=n
-# CONFIG_PETALOGIX_ML605=n
-# CONFIG_XLNX_ZYNQMP_PMU=n
diff --git a/configs/devices/microblazeel-softmmu/default.mak b/configs/devices/microblazeel-softmmu/default.mak
index 29f7f13816..4c1086435b 100644
--- a/configs/devices/microblazeel-softmmu/default.mak
+++ b/configs/devices/microblazeel-softmmu/default.mak
@@ -1,3 +1,6 @@
 # Default configuration for microblazeel-softmmu
 
-include ../microblaze-softmmu/default.mak
+# Boards are selected by default, uncomment to keep out of the build.
+# CONFIG_PETALOGIX_S3ADSP1800=n
+# CONFIG_PETALOGIX_ML605=n
+# CONFIG_XLNX_ZYNQMP_PMU=n
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 720d4eec8a..d8dc29d0a4 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -271,6 +271,12 @@ BMC and a witherspoon like OpenPOWER system. It was used for bring up
 of the AST2600 SoC in labs.  It can be easily replaced by the
 ``rainier-bmc`` machine which is a real product.
 
+Big-Endian variants of MicroBlaze ``petalogix-ml605`` and ``xlnx-zynqmp-pmu`` machines (since 9.2)
+''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
+
+Both ``petalogix-ml605`` and ``xlnx-zynqmp-pmu`` were added for little endian
+CPUs. Big endian support is not tested.
+
 Backend options
 ---------------
 
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index df808ac323..61e47d8398 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -213,7 +213,12 @@ petalogix_ml605_init(MachineState *machine)
 
 static void petalogix_ml605_machine_init(MachineClass *mc)
 {
-    mc->desc = "PetaLogix linux refdesign for xilinx ml605 little endian";
+#if TARGET_BIG_ENDIAN
+    mc->desc = "PetaLogix linux refdesign for xilinx ml605 (big endian)";
+    mc->deprecation_reason = "big endian support is not tested";
+#else
+    mc->desc = "PetaLogix linux refdesign for xilinx ml605 (little endian)";
+#endif
     mc->init = petalogix_ml605_init;
 }
 
diff --git a/hw/microblaze/xlnx-zynqmp-pmu.c b/hw/microblaze/xlnx-zynqmp-pmu.c
index 43608c2dca..567aad47bf 100644
--- a/hw/microblaze/xlnx-zynqmp-pmu.c
+++ b/hw/microblaze/xlnx-zynqmp-pmu.c
@@ -181,9 +181,13 @@ static void xlnx_zynqmp_pmu_init(MachineState *machine)
 
 static void xlnx_zynqmp_pmu_machine_init(MachineClass *mc)
 {
-    mc->desc = "Xilinx ZynqMP PMU machine";
+#if TARGET_BIG_ENDIAN
+    mc->desc = "Xilinx ZynqMP PMU machine (big endian)";
+    mc->deprecation_reason = "big endian support is not tested";
+#else
+    mc->desc = "Xilinx ZynqMP PMU machine (little endian)";
+#endif
     mc->init = xlnx_zynqmp_pmu_init;
 }
 
 DEFINE_MACHINE("xlnx-zynqmp-pmu", xlnx_zynqmp_pmu_machine_init)
-