diff --git a/targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/psoc6_static_srm.h b/targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/psoc6_static_srm.h
index 9a1f9870c0..f343bdeb40 100644
--- a/targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/psoc6_static_srm.h
+++ b/targets/TARGET_Cypress/TARGET_PSOC6/TARGET_CY8C63XX/psoc6_static_srm.h
@@ -64,11 +64,11 @@
 // Reservations below apply to default M0 hex image.
 
 // P0_0 and p0_1 reserved for WCO, P6-6 and P6_7 reserved for SWD
-#define M0_ASSIGNED_PORTS      SRM_PORT(0, 0x03), SRM_PORT(6, 0xc0), SRM_PORT(11, 0x02)
-// 8-bit divider 0 reserved for us ticker.
-#define M0_ASSIGNED_DIVIDERS   SRM_DIVIDER(CY_SYSCLK_DIV_8_BIT, 0x01), \
-                               SRM_DIVIDER(CY_SYSCLK_DIV_16_BIT, 0x01)
+#define M0_ASSIGNED_PORTS       SRM_PORT(0, 0x03), SRM_PORT(6, 0xc0)
+// 8-bit divider 0 reserved for us ticker
+#define M0_ASSIGNED_DIVIDERS    SRM_DIVIDER(CY_SYSCLK_DIV_8_BIT, 0x01)
 #define M0_ASSIGNED_SCBS
-#define M0_ASSIGNED_TCPWMS
+// TCPWM 0,0 used for us_ticker
+#define M0_ASSIGNED_TCPWMS      SRM_TCPWM(0)
 
 /* End of File */
diff --git a/targets/TARGET_Cypress/TARGET_PSOC6/psoc6_utils.c b/targets/TARGET_Cypress/TARGET_PSOC6/psoc6_utils.c
index fd83584931..1ea8352f53 100644
--- a/targets/TARGET_Cypress/TARGET_PSOC6/psoc6_utils.c
+++ b/targets/TARGET_Cypress/TARGET_PSOC6/psoc6_utils.c
@@ -101,6 +101,7 @@ do {                                                            \
 
 #define DEFAULT_PORT_RES        0xff
 #define DEFAULT_DIVIDER_RES     0xffff
+#define DEFAULT_DIVIDER8_RES    0xffff
 #define DEFAULT_SCM_RES         1
 #define DEFAULT_TCPWM_RES       1
 
@@ -438,6 +439,21 @@ void cy_get_bd_mac_address(uint8_t *buffer)
 
 void cy_srm_initialize(void)
 {
+#if defined(TARGET_MCU_PSOC6_M0) || PSOC6_DYNSRM_DISABLE || !defined(__MBED__)
+    uint32_t    i;
+
+    for (i = 0; i < CY_NUM_PSOC6_PORTS; ++i) {
+        port_reservations[i] = DEFAULT_PORT_RES;
+    }
+
+    for (i = 0; i < NUM_SCB; ++i) {
+        scb_reservations[i] = DEFAULT_SCM_RES;
+    }
+
+    for (i = 0; i < NUM_TCPWM; ++i) {
+        tcpwm_reservations[i] = DEFAULT_TCPWM_RES;
+    }
+
 #if PSOC6_DYNSRM_DISABLE
 #ifdef M0_ASSIGNED_PORTS
     SRM_INIT_RESOURCE(uint8_t, port_reservations,, M0_ASSIGNED_PORTS);
@@ -452,5 +468,6 @@ void cy_srm_initialize(void)
     SRM_INIT_RESOURCE(uint8_t, tcpwm_reservations,,  M0_ASSIGNED_TCPWMS);
 #endif
 #endif // PSOC6_DYNSRM_DISABLE
+#endif // defined(TARGET_MCU_PSOC6_M0) || PSOC6_DSRM_DISABLE || !defined(__MBED__)
 }