diff options
Diffstat (limited to 'ports/stm32/boards/stm32f469xi.ld')
| -rw-r--r-- | ports/stm32/boards/stm32f469xi.ld | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ports/stm32/boards/stm32f469xi.ld b/ports/stm32/boards/stm32f469xi.ld new file mode 100644 index 000000000..4da9bf16f --- /dev/null +++ b/ports/stm32/boards/stm32f469xi.ld @@ -0,0 +1,35 @@ +/* + GNU linker script for STM32F469xI (2Mbyte) +*/ + +/* Specify the memory areas */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K /* Entire flash */ + FLASH_START (rx): ORIGIN = 0x08000000, LENGTH = 16K /* Sector 0 */ + FLASH_FS (r) : ORIGIN = 0x08004000, LENGTH = 112K /* Sectors 1, 2, 3, 4 */ + FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 1920K /* Sectors 5 - 23 */ + CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K /* CCM RAM used for storage cache */ + RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 320K /* SRAM1, SRAM2, SRAM3 */ +} + +/* produce a link error if there is not this amount of RAM for these sections */ +_minimum_stack_size = 2K; +_minimum_heap_size = 16K; + +/* Define the stack. The stack is full descending so begins just above last byte + of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */ +_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve; +_sstack = _estack - 16K; /* tunable */ + +/* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); +_ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ +_heap_end = _sstack; + +/* Filesystem cache in RAM, and storage in flash */ +_micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(CCMRAM); +_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(CCMRAM) + LENGTH(CCMRAM); +_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS); +_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS); |