diff --git a/lib/extensions/amu/aarch64/amu.c b/lib/extensions/amu/aarch64/amu.c
index f712520..35efd21 100644
--- a/lib/extensions/amu/aarch64/amu.c
+++ b/lib/extensions/amu/aarch64/amu.c
@@ -23,6 +23,10 @@
 #	include <lib/fconf/fconf_amu_getter.h>
 #endif
 
+#if ENABLE_MPMM
+#	include <lib/mpmm/mpmm.h>
+#endif
+
 struct amu_ctx {
 	uint64_t group0_cnts[AMU_GROUP0_MAX_COUNTERS];
 #if ENABLE_AMU_AUXILIARY_COUNTERS
@@ -273,26 +277,31 @@
 
 	/* Initialize FEAT_AMUv1p1 features if present. */
 	if (id_aa64pfr0_el1_amu >= ID_AA64PFR0_AMU_V1P1) {
-		return;
-	}
-
-	if (el2_unused) {
-		/* Make sure virtual offsets are disabled if EL2 not used. */
-		write_hcr_el2_amvoffen(0U);
-	}
+		if (el2_unused) {
+			/*
+			 * Make sure virtual offsets are disabled if EL2 not
+			 * used.
+			 */
+			write_hcr_el2_amvoffen(0U);
+		}
 
 #if AMU_RESTRICT_COUNTERS
-	/*
-	 * FEAT_AMUv1p1 adds a register field to restrict access to group 1
-	 * counters at all but the highest implemented EL.  This is controlled
-	 * with the AMU_RESTRICT_COUNTERS compile time flag, when set, system
-	 * register reads at lower ELs return zero.  Reads from the memory
-	 * mapped view are unaffected.
-	 */
-	VERBOSE("AMU group 1 counter access restricted.\n");
-	write_amcr_el0_cg1rz(1U);
+		/*
+		 * FEAT_AMUv1p1 adds a register field to restrict access to
+		 * group 1 counters at all but the highest implemented EL. This
+		 * is controlled with the `AMU_RESTRICT_COUNTERS` compile time
+		 * flag, when set, system register reads at lower ELs return
+		 * zero. Reads from the memory mapped view are unaffected.
+		 */
+		VERBOSE("AMU group 1 counter access restricted.\n");
+		write_amcr_el0_cg1rz(1U);
 #else
-	write_amcr_el0_cg1rz(0U);
+		write_amcr_el0_cg1rz(0U);
+#endif
+	}
+
+#if ENABLE_MPMM
+	mpmm_enable();
 #endif
 }
 
@@ -616,6 +625,10 @@
 	}
 #endif
 
+#if ENABLE_MPMM
+	mpmm_enable();
+#endif
+
 	return (void *)0;
 }
 
diff --git a/lib/fconf/fconf.mk b/lib/fconf/fconf.mk
index 18bcb35..fb88910 100644
--- a/lib/fconf/fconf.mk
+++ b/lib/fconf/fconf.mk
@@ -14,3 +14,6 @@
 
 FCONF_AMU_SOURCES	:=	lib/fconf/fconf_amu_getter.c
 FCONF_AMU_SOURCES	+=	${FDT_WRAPPERS_SOURCES}
+
+FCONF_MPMM_SOURCES	:=	lib/fconf/fconf_mpmm_getter.c
+FCONF_MPMM_SOURCES	+=	${FDT_WRAPPERS_SOURCES}
diff --git a/lib/fconf/fconf_mpmm_getter.c b/lib/fconf/fconf_mpmm_getter.c
new file mode 100644
index 0000000..02a566d
--- /dev/null
+++ b/lib/fconf/fconf_mpmm_getter.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <common/debug.h>
+#include <common/fdt_wrappers.h>
+#include <lib/fconf/fconf.h>
+#include <lib/fconf/fconf_mpmm_getter.h>
+#include <libfdt.h>
+
+#include <plat/common/platform.h>
+
+struct fconf_mpmm_config fconf_mpmm_config;
+static struct mpmm_topology fconf_mpmm_topology;
+
+/*
+ * Within a `cpu` node, determine support for MPMM via the `supports-mpmm`
+ * property.
+ *
+ * Returns `0` on success, or a negative integer representing an error code.
+ */
+static int fconf_populate_mpmm_cpu(const void *fdt, int off, uintptr_t mpidr)
+{
+	int ret, len;
+
+	int core_pos;
+	struct mpmm_core *core;
+
+	core_pos = plat_core_pos_by_mpidr(mpidr);
+	if (core_pos < 0) {
+		return -FDT_ERR_BADVALUE;
+	}
+
+	core = &fconf_mpmm_topology.cores[core_pos];
+
+	fdt_getprop(fdt, off, "supports-mpmm", &len);
+	if (len >= 0) {
+		core->supported = true;
+		ret = 0;
+	} else {
+		core->supported = false;
+		ret = len;
+	}
+
+	return ret;
+}
+
+/*
+ * Populates the global `fconf_mpmm_config` structure based on what's described
+ * by the hardware configuration device tree blob.
+ *
+ * The device tree is expected to provide a `supports-mpmm` property for each
+ * `cpu` node, like so:
+ *
+ *     cpu@0 {
+ *       supports-mpmm;
+ *     };
+ *
+ * This property indicates whether the core implements MPMM, as we cannot detect
+ * support for it dynamically.
+ */
+static int fconf_populate_mpmm(uintptr_t config)
+{
+	int ret = fdtw_for_each_cpu(
+		(const void *)config, fconf_populate_mpmm_cpu);
+	if (ret == 0) {
+		fconf_mpmm_config.topology = &fconf_mpmm_topology;
+	} else {
+		ERROR("FCONF: failed to configure MPMM: %d\n", ret);
+	}
+
+	return ret;
+}
+
+FCONF_REGISTER_POPULATOR(HW_CONFIG, mpmm, fconf_populate_mpmm);
diff --git a/lib/mpmm/mpmm.c b/lib/mpmm/mpmm.c
new file mode 100644
index 0000000..a66f2aa
--- /dev/null
+++ b/lib/mpmm/mpmm.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdbool.h>
+
+#include <common/debug.h>
+#include <lib/mpmm/mpmm.h>
+
+#include <plat/common/platform.h>
+
+#if ENABLE_MPMM_FCONF
+#	include <lib/fconf/fconf.h>
+#	include <lib/fconf/fconf_mpmm_getter.h>
+#endif
+
+static uint64_t read_cpuppmcr_el3_mpmmpinctl(void)
+{
+	return (read_cpuppmcr_el3() >> CPUPPMCR_EL3_MPMMPINCTL_SHIFT) &
+		CPUPPMCR_EL3_MPMMPINCTL_MASK;
+}
+
+static void write_cpumpmmcr_el3_mpmm_en(uint64_t mpmm_en)
+{
+	uint64_t value = read_cpumpmmcr_el3();
+
+	value &= ~(CPUMPMMCR_EL3_MPMM_EN_MASK << CPUMPMMCR_EL3_MPMM_EN_SHIFT);
+	value |= (mpmm_en & CPUMPMMCR_EL3_MPMM_EN_MASK) <<
+		CPUMPMMCR_EL3_MPMM_EN_SHIFT;
+
+	write_cpumpmmcr_el3(value);
+}
+
+static bool mpmm_supported(void)
+{
+	bool supported = false;
+	const struct mpmm_topology *topology;
+
+#if ENABLE_MPMM_FCONF
+	topology = FCONF_GET_PROPERTY(mpmm, config, topology);
+#else
+	topology = plat_mpmm_topology();
+#endif /* ENABLE_MPMM_FCONF */
+
+	/*
+	 * For the current core firstly try to find out if the platform
+	 * configuration has claimed support for MPMM, then make sure that MPMM
+	 * is controllable through the system registers.
+	 */
+
+	if (topology != NULL) {
+		unsigned int core_pos = plat_my_core_pos();
+
+		supported = topology->cores[core_pos].supported &&
+			(read_cpuppmcr_el3_mpmmpinctl() == 0U);
+	} else {
+		ERROR("MPMM: failed to generate MPMM topology\n");
+	}
+
+	return supported;
+}
+
+void mpmm_enable(void)
+{
+	bool supported = mpmm_supported();
+
+	if (supported) {
+		write_cpumpmmcr_el3_mpmm_en(1U);
+	}
+}
diff --git a/lib/mpmm/mpmm.mk b/lib/mpmm/mpmm.mk
new file mode 100644
index 0000000..826f925
--- /dev/null
+++ b/lib/mpmm/mpmm.mk
@@ -0,0 +1,29 @@
+#
+# Copyright (c) 2021, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+include lib/extensions/amu/amu.mk
+include lib/fconf/fconf.mk
+
+ifneq (${ENABLE_MPMM},0)
+        ifneq ($(ARCH),aarch64)
+                $(error MPMM support (`ENABLE_MPMM`) can only be enabled in AArch64 images (`ARCH`))
+        endif
+
+        ifeq (${ENABLE_AMU_AUXILIARY_COUNTERS},0) # For MPMM gear AMU counters
+                $(error MPMM support (`ENABLE_MPM`) requires auxiliary AMU counter support (`ENABLE_AMU_AUXILIARY_COUNTERS`))
+        endif
+endif
+
+MPMM_SOURCES	:=	lib/mpmm/mpmm.c
+MPMM_SOURCES	+=	${AMU_SOURCES}
+
+ifneq (${ENABLE_MPMM_FCONF},0)
+        ifeq (${ENABLE_MPMM},0)
+                $(error MPMM FCONF support (`ENABLE_MPMM_FCONF`) requires MPMM support (`ENABLE_MPMM`))
+        endif
+
+        MPMM_SOURCES	+= ${FCONF_MPMM_SOURCES}
+endif