scatter file - 32kb RAM, startup - removed heap, stack init

  - clock set to 1 (external crystal)

Author: 0xc0170

libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_KL46Z/TOOLCHAIN_ARM_STD/MKL46Z4.sct

@@ -6,8 +6,8 @@ LR_IROM1 0x00000000 0x40000  {    ; load region size_region (256k)
    .ANY (+RO)
   }
   ; 8_byte_aligned(48 vect * 4 bytes) =  8_byte_aligned(0xC0) = 0xC0
-  ; 0x4000 - 0xC0 = 0x3F40
-  RW_IRAM1 0x1FFFE0C0 0x3F40 {
+  ; 0x8000 - 0xC0 = 0x7F40
+  RW_IRAM1 0x1FFFE0C0 0x7F40 {
    .ANY (+RW +ZI)
   }
 }

libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_KL46Z/TOOLCHAIN_ARM_STD/startup_MKL46Z4.s

@@ -12,28 +12,7 @@
 ; *****************************************************************************/
 
 
-; <h> Stack Configuration
-;   <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
-; </h>
-
-Stack_Size      EQU     0x00000400
-
-                AREA    STACK, NOINIT, READWRITE, ALIGN=3
-Stack_Mem       SPACE   Stack_Size
-__initial_sp
-
-
-; <h> Heap Configuration
-;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
-; </h>
-
-Heap_Size       EQU     0x00000000
-
-                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
-__heap_base
-Heap_Mem        SPACE   Heap_Size
-__heap_limit
-
+__initial_sp        EQU     0x20006000  ; Top of RAM
 
                 PRESERVE8
                 THUMB
@@ -350,31 +329,4 @@ DefaultISR
 
 
                 ALIGN
-
-
-; User Initial Stack & Heap
-
-                IF      :DEF:__MICROLIB
-
-                EXPORT  __initial_sp
-                EXPORT  __heap_base
-                EXPORT  __heap_limit
-
-                ELSE
-
-                IMPORT  __use_two_region_memory
-                EXPORT  __user_initial_stackheap
-__user_initial_stackheap
-
-                LDR     R0, =  Heap_Mem
-                LDR     R1, =(Stack_Mem + Stack_Size)
-                LDR     R2, = (Heap_Mem +  Heap_Size)
-                LDR     R3, = Stack_Mem
-                BX      LR
-
-                ALIGN
-
-                ENDIF
-
-
                 END

libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_KL46Z/system_MKL46Z4.c

@@ -44,7 +44,7 @@
 
 #define DISABLE_WDOG    1
 
-#define CLOCK_SETUP     0
+#define CLOCK_SETUP     1
 /* Predefined clock setups
    0 ... Multipurpose Clock Generator (MCG) in FLL Engaged Internal (FEI) mode
          Reference clock source for MCG module is the slow internal clock source 32.768kHz