MIMXRT105x: upgrade linker script to use memory banks, disable SRAM (#411)

* Update MIMXRT105x linker script to use memory banks

* Disable SRAM for now :/

* Add split heap support

Author: Jamie Smith

platform/mbed_lib.json

@@ -246,6 +246,9 @@
         },
         "MCU_STM32H7": {
             "crash-capture-enabled": true
+        },
+        "MIMXRT105X": {
+            "crash-capture-enabled": true
         }
     }
 }

targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/device/TOOLCHAIN_GCC_ARM/MK64FN1M0xxx12.ld

@@ -112,14 +112,14 @@ SECTIONS
     . = ALIGN(8);
     KEEP(*(.isr_vector))     /* Startup code */
     . = ALIGN(8);
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   /* FCF to absolute address of 0x400, but only if bootloader is not present. */
 #if !IS_BOOTLOADER_PRESENT
   .flash_config FLASH_VTOR_TABLE_SIZE :
   {
     KEEP(*(.FlashConfig))    /* Flash Configuration Field (FCF) */
-  } > m_text AT> m_text :text
+  } > m_text :text
 #else
   /DISCARD/ : {
     *(.FlashConfig)
@@ -140,19 +140,19 @@ SECTIONS
     KEEP (*(.init))
     KEEP (*(.fini))
     . = ALIGN(8);
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .ARM.extab :
   {
     *(.ARM.extab* .gnu.linkonce.armextab.*)
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .ARM :
   {
     __exidx_start = .;
     *(.ARM.exidx*)
     __exidx_end = .;
-  } > m_text AT> m_text :text
+  } > m_text :text
 
  .ctors :
   {
@@ -176,7 +176,7 @@ SECTIONS
     KEEP (*(SORT(.ctors.*)))
     KEEP (*(.ctors))
     __CTOR_END__ = .;
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .dtors :
   {
@@ -187,30 +187,30 @@ SECTIONS
     KEEP (*(SORT(.dtors.*)))
     KEEP (*(.dtors))
     __DTOR_END__ = .;
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .preinit_array :
   {
     PROVIDE_HIDDEN (__preinit_array_start = .);
     KEEP (*(.preinit_array*))
     PROVIDE_HIDDEN (__preinit_array_end = .);
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .init_array :
   {
     PROVIDE_HIDDEN (__init_array_start = .);
     KEEP (*(SORT(.init_array.*)))
     KEEP (*(.init_array*))
     PROVIDE_HIDDEN (__init_array_end = .);
-  } > m_text AT> m_text :text
+  } > m_text :text
 
   .fini_array :
   {
     PROVIDE_HIDDEN (__fini_array_start = .);
     KEEP (*(SORT(.fini_array.*)))
     KEEP (*(.fini_array*))
     PROVIDE_HIDDEN (__fini_array_end = .);
-  } > m_text AT> m_text :text
+  } > m_text :text
 
 #if MBED_CONF_PLATFORM_CRASH_CAPTURE_ENABLED
   /* Stick the crash data ram at the start of sram_l */

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/TARGET_1050_EVK/xip/evkbimxrt1050_flexspi_nor_config.c

@@ -39,7 +39,7 @@ const flexspi_nor_config_t hyperflash_config = {
         (1u << kFlexSpiMiscOffset_SafeConfigFreqEnable) | (1u << kFlexSpiMiscOffset_DiffClkEnable),
         .sflashPadType = kSerialFlash_8Pads,
         .serialClkFreq = kFlexSpiSerialClk_133MHz,
-        .sflashA1Size = BOARD_FLASH_SIZE,
+        .sflashA1Size = MBED_ROM_BANK_EXT_FLASH_SIZE,
         .dataValidTime = {16u, 16u},
         .lookupTable = {
             // Read LUTs
@@ -68,7 +68,7 @@ const flexspi_nor_config_t qspiflash_config = {
         .sflashPadType = kSerialFlash_4Pads,
         .serialClkFreq = kFlexSpiSerialClk_133MHz,
         .lutCustomSeqEnable = 0u,
-        .sflashA1Size = BOARD_FLASH_SIZE,
+        .sflashA1Size = MBED_ROM_BANK_EXT_FLASH_SIZE,
         .lookupTable = {
             // Fast read sequence
             [0] = FLEXSPI_LUT_SEQ(CMD_SDR, FLEXSPI_1PAD, 0xEB, RADDR_SDR, FLEXSPI_4PAD, 0x18),

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/TARGET_1060_EVK/xip/evkbmimxrt1060_flexspi_nor_config.c

@@ -35,7 +35,7 @@ const flexspi_nor_config_t qspiflash_config = {
             .deviceType           = kFlexSpiDeviceType_SerialNOR,
             .sflashPadType        = kSerialFlash_4Pads,
             .serialClkFreq        = kFlexSpiSerialClk_120MHz,
-            .sflashA1Size         = BOARD_FLASH_SIZE,
+            .sflashA1Size         = MBED_ROM_BANK_EXT_FLASH_SIZE,
             .lookupTable =
                 {
                     // Read LUTs

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/flash_api.c

@@ -655,8 +655,8 @@ int32_t flash_free(flash_t *obj)
 uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
 {
     uint32_t sectorsize = MBED_FLASH_INVALID_SIZE;
-    uint32_t devicesize = BOARD_FLASH_SIZE;
-    uint32_t startaddr = BOARD_FLASH_START_ADDR;
+    uint32_t devicesize = MBED_ROM_BANK_EXT_FLASH_SIZE;
+    uint32_t startaddr = MBED_ROM_BANK_EXT_FLASH_START;
 
     if ((address >= startaddr) && (address < (startaddr + devicesize))) {
         sectorsize = BOARD_FLASH_SECTOR_SIZE;
@@ -672,12 +672,12 @@ uint32_t flash_get_page_size(const flash_t *obj)
 
 uint32_t flash_get_start_address(const flash_t *obj)
 {
-    return BOARD_FLASH_START_ADDR;
+    return MBED_ROM_BANK_EXT_FLASH_START;
 }
 
 uint32_t flash_get_size(const flash_t *obj)
 {
-    return BOARD_FLASH_SIZE;
+    return MBED_ROM_BANK_EXT_FLASH_SIZE;
 }
 
 uint8_t flash_get_erase_value(const flash_t *obj)

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/flash_defines.h

@@ -274,7 +274,7 @@ static uint32_t customLUT[CUSTOM_LUT_LENGTH] = {
 
 flexspi_device_config_t deviceconfig = {
     .flexspiRootClk       = 120000000,
-    .flashSize            = (BOARD_FLASH_SIZE/1024),
+    .flashSize            = (MBED_ROM_BANK_EXT_FLASH_SIZE/1024),
     .CSIntervalUnit       = kFLEXSPI_CsIntervalUnit1SckCycle,
     .CSInterval           = 0,
     .CSHoldTime           = 3,

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/fsl_flexspi_nor_boot.h

@@ -101,7 +101,7 @@ typedef struct _boot_data_ {
   uint32_t placeholder;		/* placehoder to make even 0x10 size */
 }BOOT_DATA_T;
 
-#define FLASH_SIZE            BOARD_FLASH_SIZE
+#define FLASH_SIZE            MBED_ROM_BANK_EXT_FLASH_SIZE
 #define PLUGIN_FLAG           (uint32_t)0
 
 /* External Variables */

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_EVK/mimxrt_memory_info.h

@@ -20,28 +20,12 @@
 
 #ifdef HYPERFLASH_BOOT
 /* 64MB HyperFlash */
-#define BOARD_FLASH_SIZE             (0x4000000)
-#define BOARD_FLASH_START_ADDR       (0x60000000)
 #define BOARD_FLASH_PAGE_SIZE        (512)
 #define BOARD_FLASH_SECTOR_SIZE      (262144)
 #else
 /* 8MB QSPI Flash */
-#define BOARD_FLASH_SIZE             (0x800000)
-#define BOARD_FLASH_START_ADDR       (0x60000000)
 #define BOARD_FLASH_PAGE_SIZE        (256)
 #define BOARD_FLASH_SECTOR_SIZE      (4096)
 #endif
 
-// Unless the user overrides it, define the app to use the entire flash space.
-#ifndef MBED_APP_START
-#define MBED_APP_START BOARD_FLASH_START_ADDR
-#endif
-
-#ifndef MBED_APP_SIZE
-#define MBED_APP_SIZE BOARD_FLASH_SIZE
-#endif
-
-#define MIMXRT105X_BOARD_HAS_EXTERNAL_RAM 1
-#define MIMXRT105X_EXTERNAL_RAM_SIZE 0x02000000
-
 #endif //MBED_OS_MIMXRT_MEMORY_INFO_H

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_TEENSY_4X/TARGET_TEENSY_40/mimxrt_memory_info.h

@@ -19,20 +19,7 @@
 #define MBED_OS_MIMXRT_MEMORY_INFO_H
 
 /* 2MB QSPI Flash */
-#define BOARD_FLASH_SIZE             (0x1F0000) // 1984k
-#define BOARD_FLASH_START_ADDR       (0x60000000)
 #define BOARD_FLASH_PAGE_SIZE        (256)
 #define BOARD_FLASH_SECTOR_SIZE      (4096)
 
-// Unless the user overrides it, define the app to use the entire flash space.
-#ifndef MBED_APP_START
-#define MBED_APP_START BOARD_FLASH_START_ADDR
-#endif
-
-#ifndef MBED_APP_SIZE
-#define MBED_APP_SIZE BOARD_FLASH_SIZE
-#endif
-
-#define MIMXRT105X_BOARD_HAS_EXTERNAL_RAM 0
-
 #endif //MBED_OS_MIMXRT_MEMORY_INFO_H

targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT105x/TARGET_TEENSY_4X/TARGET_TEENSY_41/mimxrt_memory_info.h

@@ -19,20 +19,7 @@
 #define MBED_OS_MIMXRT_MEMORY_INFO_H
 
 /* 8MB QSPI Flash */
-#define BOARD_FLASH_SIZE             (0x7C0000) // 7936k
-#define BOARD_FLASH_START_ADDR       (0x60000000)
 #define BOARD_FLASH_PAGE_SIZE        (256)
 #define BOARD_FLASH_SECTOR_SIZE      (4096)
 
-// Unless the user overrides it, define the app to use the entire flash space.
-#ifndef MBED_APP_START
-#define MBED_APP_START BOARD_FLASH_START_ADDR
-#endif
-
-#ifndef MBED_APP_SIZE
-#define MBED_APP_SIZE BOARD_FLASH_SIZE
-#endif
-
-#define MIMXRT105X_BOARD_HAS_EXTERNAL_RAM 0
-
 #endif //MBED_OS_MIMXRT_MEMORY_INFO_H