diff --git a/build/libraries/init/ARM7/crt0_firm.c b/build/libraries/init/ARM7/crt0_firm.c
index 97b8e0af..862ec6ca 100644
--- a/build/libraries/init/ARM7/crt0_firm.c
+++ b/build/libraries/init/ARM7/crt0_firm.c
@@ -87,6 +87,26 @@ SDK_WEAK_SYMBOL asm void _start( void )
         msr             cpsr_csfx, r0
         sub             sp, r1, #4 // 4byte for stack check code
 
+        //---- read reset flag from pmic
+#ifdef TWL_PLATFORM_TS
+        mov             r0, #REG_PMIC_SW_FLAGS_ADDR
+        bl              PMi_GetRegister
+        ands            r0, r0, #PMIC_SW_FLAGS_WARMBOOT
+        movne           r0, #FIRM_PXI_ID_WARMBOOT
+        moveq           r0, #FIRM_PXI_ID_COLDBOOT
+        bl              PXI_SendByIntf
+        mov             r0, #FIRM_PXI_ID_INIT_MMEM
+        bl              PXI_WaitByIntf
+#endif // TWL_PLATFORM_TS
+
+        //---- wait for main memory mode into burst mode
+        ldr             r3, =REG_EXMEMCNT_L_ADDR
+        mov             r1, #REG_MI_EXMEMCNT_L_ECE2_MASK
+@1:
+        ldrh            r2, [r3]
+        tst             r2, r1
+        beq             @1
+
 #if 0
         // move parameters from IPL's work memory to shared area
         ldr             r0, =IPL_PARAM_CARD_ROM_HEADER
@@ -106,14 +126,6 @@ SDK_WEAK_SYMBOL asm void _start( void )
         bmi             @1_2
 #endif
 
-        //---- wait for main memory mode into burst mode
-        ldr             r3, =REG_EXMEMCNT_L_ADDR
-        mov             r1, #REG_MI_EXMEMCNT_L_ECE2_MASK
-@1:
-        ldrh            r2, [r3]
-        tst             r2, r1
-        beq             @1
-
         //---- load autoload block and initialize bss
         bl              do_autoload
 
diff --git a/build/libraries/init/ARM9/crt0_firm.c b/build/libraries/init/ARM9/crt0_firm.c
index 56ed70d4..a334f3b1 100644
--- a/build/libraries/init/ARM9/crt0_firm.c
+++ b/build/libraries/init/ARM9/crt0_firm.c
@@ -64,12 +64,6 @@ SDK_WEAK_SYMBOL asm void _start( void )
         mov             r12, #HW_REG_BASE
         str             r12, [r12, #REG_IME_OFFSET]
 
-        //---- initialize Main Memory
-        bl              MIi_InitMainMemCR
-
-        //---- initialize cp15
-        bl              init_cp15
-
         //---- initialize stack pointer
         // SVC mode
         mov             r0, #HW_PSR_SVC_MODE
@@ -94,6 +88,29 @@ SDK_WEAK_SYMBOL asm void _start( void )
         mov             r0, #HW_PSR_SYS_MODE
         msr             cpsr_csfx, r0
         sub             sp, r1, #4 // 4byte for stack check code
+        //---- read reset flag from pmic
+
+#ifdef TWL_PLATFORM_TS
+@0:     bl              PXI_RecvByIntf
+        cmp             r0, #FIRM_PXI_ID_COLDBOOT
+        cmpne           r0, #FIRM_PXI_ID_WARMBOOT
+        bne             @0
+
+        //---- initialize Main Memory
+        cmp             r0, #FIRM_PXI_ID_COLDBOOT
+        bleq            MIi_InitMainMemCR
+
+        mov             r0, #FIRM_PXI_ID_INIT_MMEM
+        bl              PXI_SendByIntf
+
+#else // TWL_PLATFORM_BB
+        //---- initialize Main Memory
+        bl              MIi_InitMainMemCR
+
+#endif // TWL_PLATFORM_BB
+
+        //---- initialize cp15
+        bl              init_cp15
 
         //---- clear memory
         // DTCM (16KB)
diff --git a/include/firm/pxi/common/misc.h b/include/firm/pxi/common/misc.h
index 18376131..f70e6fd8 100644
--- a/include/firm/pxi/common/misc.h
+++ b/include/firm/pxi/common/misc.h
@@ -28,22 +28,24 @@ extern "C" {
 typedef enum
 {
     // from ARM7
-    FIRM_PXI_ID_INIT_ARM7 = 3,
-    FIRM_PXI_ID_LOAD_HEADER = 8,
+    FIRM_PXI_ID_COLDBOOT = 1,
+    FIRM_PXI_ID_WARMBOOT = 2,
+
+    FIRM_PXI_ID_INIT_ARM7 = 7,
+    FIRM_PXI_ID_LOAD_HEADER = 6,
     FIRM_PXI_ID_LOAD_ARM9_STATIC = 5,
-    FIRM_PXI_ID_LOAD_ARM7_STATIC = 6,
-    FIRM_PXI_ID_LOAD_ARM9_LTD_STATIC = 9,
-    FIRM_PXI_ID_LOAD_ARM7_LTD_STATIC = 10,
-    FIRM_PXI_ID_LOAD_PIRIOD = 11,
+    FIRM_PXI_ID_LOAD_ARM7_STATIC = 4,
+    FIRM_PXI_ID_LOAD_ARM9_LTD_STATIC = 3,
+    FIRM_PXI_ID_LOAD_ARM7_LTD_STATIC = 2,
+    FIRM_PXI_ID_LOAD_PIRIOD = 1,
 
     // from ARM9
-    FIRM_PXI_ID_INIT_ARM9 = 1,
-    FIRM_PXI_ID_AUTH_HEADER = 8,
-    FIRM_PXI_ID_AUTH_ARM9_STATIC = 5,
-    FIRM_PXI_ID_AUTH_ARM7_STATIC = 6,
-    FIRM_PXI_ID_AUTH_ARM9_LTD_STATIC = 9,
-    FIRM_PXI_ID_AUTH_ARM7_LTD_STATIC = 10,
-    FIRM_PXI_ID_DONE_WRAM_SETTING = 11,
+    FIRM_PXI_ID_INIT_ARM9 = 9,
+    FIRM_PXI_ID_AUTH_HEADER = 10,
+    FIRM_PXI_ID_AUTH_ARM9_STATIC = 11,
+    FIRM_PXI_ID_AUTH_ARM7_STATIC = 12,
+    FIRM_PXI_ID_AUTH_ARM9_LTD_STATIC = 13,
+    FIRM_PXI_ID_AUTH_ARM7_LTD_STATIC = 14,
 
     // from both of ARM9 and ARM7
     FIRM_PXI_ID_NULL = 0,