LPC55S69_S: reduce ITS size to 32KB

- Reduce LPC55S69 secure side ITS from 64KB to 32KB

Author: Michael Schwarcz

features/storage/kvstore/conf/tdb_internal/mbed_lib.json

@@ -20,7 +20,7 @@
             "internal_base_address": "0x10038000"
         },
         "LPC55S69_S": {
-            "internal_size": "0x10000",
+            "internal_size": "0x8000",
             "internal_base_address": "0x00028000"
         }
     }

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/TARGET_M33_NS/device/TOOLCHAIN_IAR/LPC55S69_cm33_core0_flash.icf

@@ -23,8 +23,8 @@
 ** ###################################################################
 */
 
-define symbol NS_CODE_START = 0x00038000;
-define symbol NS_CODE_SIZE  = 0x00060000;
+define symbol NS_CODE_START = 0x00030000;
+define symbol NS_CODE_SIZE  = 0x00068000;
 define symbol NS_DATA_START = 0x20022000;
 define symbol NS_DATA_SIZE  = 0x00022000;
 

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/partition/flash_layout.h

@@ -26,8 +26,8 @@
 /* Flash layout on LPC55S69 without BL2:
  *
  * 0x0000_0000 Secure     image primary
- * 0x0003_0000 SST / ITS
- * 0x0004_0000 Non-secure
+ * 0x0002_8000 SST / ITS
+ * 0x0003_0000 Non-secure
  */
 
 /* This header file is included from linker scatter file as well, where only a
@@ -63,12 +63,12 @@
 
 #define FLASH_SST_AREA_OFFSET           (FLASH_AREA_IMAGE_0_OFFSET + \
                                          FLASH_AREA_IMAGE_0_SIZE)  // 0x00028000
-#define FLASH_SST_AREA_SIZE             (0x00010000)   /* 64 KB */
+#define FLASH_SST_AREA_SIZE             (0x00008000)   /* 32 KB */
 
 /* Non-secure image */
 #define FLASH_AREA_IMAGE_1_OFFSET       (FLASH_SST_AREA_OFFSET +\
-                                         FLASH_SST_AREA_SIZE) // 0x00038000
-#define FLASH_AREA_IMAGE_1_SIZE         (0x00060000)
+                                         FLASH_SST_AREA_SIZE) // 0x00030000
+#define FLASH_AREA_IMAGE_1_SIZE         (0x00068000)
 
 #define FLASH_AREA_IMAGE_SCRATCH_OFFSET (FLASH_AREA_IMAGE_1_OFFSET +\
                                          FLASH_AREA_IMAGE_1_SIZE)
@@ -78,8 +78,8 @@
 #define SECURE_IMAGE_OFFSET             0x0
 #define SECURE_IMAGE_MAX_SIZE           0x00028000
 
-#define NON_SECURE_IMAGE_OFFSET         0x00038000
-#define NON_SECURE_IMAGE_MAX_SIZE       0x00060000
+#define NON_SECURE_IMAGE_OFFSET         0x00030000
+#define NON_SECURE_IMAGE_MAX_SIZE       0x00068000
 
 /* Flash device name used by BL2 and SST
  * Name is defined in flash driver file: Driver_Flash.c

targets/targets.json

@@ -2092,8 +2092,8 @@
         "post_binary_hook": {"function": "LPC55S69Code.binary_hook"},
         "secure_image_filename": "tfm.bin",
         "overrides": {
-            "non-secure-rom-start": "0x00038000",
-            "non-secure-rom-size": "0x60000",
+            "non-secure-rom-start": "0x00030000",
+            "non-secure-rom-size": "0x68000",
             "non-secure-ram-start": "0x20022000",
             "non-secure-ram-size": "0x22000",
             "secure-rom-start": "0x10000000",
@@ -2128,8 +2128,8 @@
         "deliver_to_target": "LPC55S69_NS",
         "delivery_dir": "TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC55S69/TARGET_M33_NS/prebuilt",
         "overrides": {
-            "non-secure-rom-start": "0x00038000",
-            "non-secure-rom-size": "0x60000",
+            "non-secure-rom-start": "0x00030000",
+            "non-secure-rom-size": "0x68000",
             "non-secure-ram-start": "0x20022000",
             "non-secure-ram-size": "0x22000",
             "secure-rom-start": "0x10000000",