KW41Z: Add Bootloader support

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW41Z/device/TOOLCHAIN_ARM_STD/MKW41Z512xxx4.sct

@@ -51,14 +51,26 @@
   #define __ram_vector_table_size__    0x00000000
 #endif
 
-#define m_interrupts_start             0x00000000
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x80000
+#endif
+
+#if !defined(MBED_BOOT_STACK_SIZE)
+  #define MBED_BOOT_STACK_SIZE 0x400
+#endif
+
+#define m_interrupts_start             MBED_APP_START
 #define m_interrupts_size              0x00000200
 
-#define m_flash_config_start           0x00000400
+#define m_flash_config_start           MBED_APP_START + 0x400
 #define m_flash_config_size            0x00000010
 
-#define m_text_start                   0x00000410
-#define m_text_size                    0x0007FBF0
+#define m_text_start                   MBED_APP_START + 0x410
+#define m_text_size                    MBED_APP_SIZE - 0x410
 
 #define m_interrupts_ram_start         0x1FFF8000
 #define m_interrupts_ram_size          __ram_vector_table_size__
@@ -70,7 +82,7 @@
 #if (defined(__stack_size__))
   #define Stack_Size                   __stack_size__
 #else
-  #define Stack_Size                   0x0400
+  #define Stack_Size                   MBED_BOOT_STACK_SIZE
 #endif
 
 #if (defined(__heap_size__))

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW41Z/device/TOOLCHAIN_GCC_ARM/MKW41Z512xxx4.ld

@@ -48,9 +48,21 @@ ENTRY(Reset_Handler)
 
 __ram_vector_table__ = 1;
 
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x80000
+#endif
+
+#if !defined(MBED_BOOT_STACK_SIZE)
+    #define MBED_BOOT_STACK_SIZE 0x400
+#endif
+
 /* With the RTOS in use, this does not affect the main stack size. The size of
  * the stack where main runs is determined via the RTOS. */
-__stack_size__ = 0x400;
+__stack_size__ = MBED_BOOT_STACK_SIZE;
 
 __heap_size__ = 0x6000;
 
@@ -61,9 +73,9 @@ M_VECTOR_RAM_SIZE = DEFINED(__ram_vector_table__) ? 0x0200 : 0x0;
 /* Specify the memory areas */
 MEMORY
 {
-  m_interrupts          (RX)  : ORIGIN = 0x00000000, LENGTH = 0x00000200
-  m_flash_config        (RX)  : ORIGIN = 0x00000400, LENGTH = 0x00000010
-  m_text                (RX)  : ORIGIN = 0x00000410, LENGTH = 0x0007FBF0
+  m_interrupts          (RX)  : ORIGIN = MBED_APP_START, LENGTH = 0x00000200
+  m_flash_config        (RX)  : ORIGIN = MBED_APP_START + 0x400, LENGTH = 0x00000010
+  m_text                (RX)  : ORIGIN = MBED_APP_START + 0x410, LENGTH = MBED_APP_SIZE - 0x410
   m_data                (RW)  : ORIGIN = 0x1FFF8000, LENGTH = 0x00020000
 }
 

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_KW41Z/device/TOOLCHAIN_IAR/MKW41Z512xxx4.icf

@@ -44,21 +44,32 @@
 */
 define symbol __ram_vector_table__ = 1;
 
-/* Heap 1/4 of ram and stack 1/8 */
-define symbol __stack_size__=0x4000;
+if (!isdefinedsymbol(MBED_APP_START)) {
+    define symbol MBED_APP_START = 0;
+}
+
+if (!isdefinedsymbol(MBED_APP_SIZE)) {
+    define symbol MBED_APP_SIZE = 0x80000;
+}
+
+if (!isdefinedsymbol(MBED_BOOT_STACK_SIZE)) {
+    define symbol MBED_BOOT_STACK_SIZE = 0x400;
+}
+
+define symbol __stack_size__=MBED_BOOT_STACK_SIZE;
 define symbol __heap_size__=0x8000;
 
 define symbol __ram_vector_table_size__ =  isdefinedsymbol(__ram_vector_table__) ? 0x00000200 : 0;
 define symbol __ram_vector_table_offset__ =  isdefinedsymbol(__ram_vector_table__) ? 0x000001FF : 0;
 
-define symbol m_interrupts_start       = 0x00000000;
-define symbol m_interrupts_end         = 0x000001FF;
+define symbol m_interrupts_start       = MBED_APP_START;
+define symbol m_interrupts_end         = MBED_APP_START + 0x1FF;
 
-define symbol m_flash_config_start     = 0x00000400;
-define symbol m_flash_config_end       = 0x0000040F;
+define symbol m_flash_config_start     = MBED_APP_START + 0x400;
+define symbol m_flash_config_end       = MBED_APP_START + 0x40F;
 
-define symbol m_text_start             = 0x00000410;
-define symbol m_text_end               = 0x0007FFFF;
+define symbol m_text_start             = MBED_APP_START + 0x410;
+define symbol m_text_end               = MBED_APP_START + MBED_APP_SIZE - 1;
 
 define symbol m_interrupts_ram_start   = 0x1FFF8000;
 define symbol m_interrupts_ram_end     = 0x1FFF8000 + __ram_vector_table_offset__;

targets/targets.json

@@ -616,7 +616,8 @@
         "detect_code": ["0201"],
         "device_has": ["USTICKER", "LPTICKER", "RTC", "ANALOGIN", "ANALOGOUT", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "SERIAL", "SLEEP", "SPI", "SPISLAVE", "TRNG", "STDIO_MESSAGES", "FLASH"],
         "release_versions": ["2", "5"],
-        "device_name": "MKW41Z512xxx4"
+        "device_name": "MKW41Z512xxx4",
+        "bootloader_supported": true
     },
     "MCU_K24F1M": {
         "core": "Cortex-M4F",