circuitpython/ports/mimxrt/boards/MIMXRT1064.ld
Philipp Ebensberger bec0524dbf mimxrt/Makefile: Rework board flash type handling.
Reworks handling and configuration of different board flash types in the
Makefile, linker scripts and board makefile fragments.
2022-06-24 17:58:27 +10:00

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/* Memory configuration */
#if MICROPY_HW_FLASH_RESERVED
reserved_size = MICROPY_HW_FLASH_RESERVED;
#endif
#if MICROPY_HW_FLASH_TYPE == qspi_nor_flash
flash_start = 0x60000000;
#elif MICROPY_HW_FLASH_TYPE == qspi_hyper_flash
flash_start = 0x60000000;
#elif MICROPY_HW_FLASH_TYPE == internal
flash_start = 0x70000000;
#else
#error Unknown MICROPY_HW_FLASH_TYPE
#endif
flash_size = MICROPY_HW_FLASH_SIZE;
flash_end = DEFINED(reserved_size) ? ((flash_start) + (flash_size - reserved_size)) : ((flash_start) + (flash_size));
flash_config_start = flash_start;
flash_config_size = 0x00001000;
ivt_start = flash_start + 0x00001000;
ivt_size = 0x00001000;
interrupts_start = flash_start + 0x00002000;
interrupts_size = 0x00000400;
text_start = flash_start + 0x00002400;
vfs_start = flash_start + 0x00100000;
text_size = ((vfs_start) - (text_start));
vfs_size = ((flash_end) - (vfs_start));
itcm_start = 0x00000000;
itcm_size = 0x00020000;
dtcm_start = 0x20000000;
dtcm_size = 0x00020000;
ocrm_start = 0x20200000;
ocrm_size = 0x000C0000;
#if MICROPY_HW_SDRAM_AVAIL
sdram_start = 0x80000000;
sdram_size = MICROPY_HW_SDRAM_SIZE;
#endif
/* 24kiB stack. */
__stack_size__ = 0x6000;
_estack = __StackTop;
_sstack = __StackLimit;
#if MICROPY_HW_SDRAM_AVAIL
_gc_heap_start = ORIGIN(m_sdram);
_gc_heap_end = ORIGIN(m_sdram) + LENGTH(m_sdram);
#else
/* Use second OCRAM bank for GC heap. */
_gc_heap_start = ORIGIN(m_ocrm);
_gc_heap_end = ORIGIN(m_ocrm) + LENGTH(m_ocrm);
#endif