diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/crypto_access_control.bin b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/crypto_access_control.bin
index 16b104a841..4fd7c24cbb 100644
Binary files a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/crypto_access_control.bin and b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/crypto_access_control.bin differ
diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_client.bin b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_client.bin
index 4672f1ad5a..3ea4bb0d5d 100644
Binary files a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_client.bin and b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_client.bin differ
diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_server.bin b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_server.bin
index bc284f0340..e4412b02e5 100644
Binary files a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_server.bin and b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_server.bin differ
diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_smoke.bin b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_smoke.bin
index 7c0a31a432..a0df490131 100644
Binary files a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_smoke.bin and b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/spm_smoke.bin differ
diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/tfm.bin b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/tfm.bin
index 525c968c1f..b56a0eaf08 100644
Binary files a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/tfm.bin and b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_NS/prebuilt/tfm.bin differ
diff --git a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_S/target_cfg.c b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_S/target_cfg.c
index 0f4137c6ef..88d512f59b 100644
--- a/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_S/target_cfg.c
+++ b/targets/TARGET_ARM_SSG/TARGET_MUSCA_B1/TARGET_MUSCA_B1_S/target_cfg.c
@@ -380,6 +380,15 @@ void ppc_init_cfg(void)
                                  ARM_PPC_NONSECURE_ONLY,
                                  ARM_PPC_PRIV_ONLY);
 
+    /* Grant non-secure access for APB MHU0 on EXP0 */
+    ret |= Driver_APB_PPCEXP0.Initialize();
+    ret |= Driver_APB_PPCEXP0.ConfigPeriph(MUSCA_B1_CI_MHU0_S_APB_PPC_POS,
+                                    ARM_PPC_NONSECURE_ONLY,
+                                    ARM_PPC_PRIV_ONLY);
+    ret |= Driver_APB_PPCEXP0.ConfigPeriph(MUSCA_B1_CI_MHU0_R_APB_PPC_POS,
+                                    ARM_PPC_NONSECURE_ONLY,
+                                    ARM_PPC_PRIV_ONLY);
+
     /* Grant non-secure access for APB peripherals on EXP1 */
     ret |= Driver_APB_PPCEXP1.Initialize();
     ret |= Driver_APB_PPCEXP1.ConfigPeriph(MUSCA_B1_PWM0_APB_PPC_POS,