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remove unused nvm reserved space from stm32f411ce_blackpill_with_flash #5061

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Merged
merged 2 commits into from
Jul 26, 2021
Merged

remove unused nvm reserved space from stm32f411ce_blackpill_with_flash #5061

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57c6279
Added new linker file
evildave666 Jul 26, 2021
f059bab
Modify mpconfigboard.mk to point to the new linker file and re-includ…
evildave666 Jul 26, 2021
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26 changes: 26 additions & 0 deletions ports/stm/boards/STM32F411_nofs.ld
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
/*
GNU linker script for STM32F411 without nvm and an external flash chip.
No space is reserved for a filesystem.
*/

/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* entire flash */
FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
FLASH_FIRMWARE (rx) : ORIGIN = 0x08004000, LENGTH = 496K /* sectors 1,2,3 are 16k, sector 4 is 64K, sectors 5,6,7 are 128K */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
}

/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 24K;
_minimum_heap_size = 16K;

/* Define the top end of 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);

/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
9 changes: 1 addition & 8 deletions ports/stm/boards/stm32f411ce_blackpill_with_flash/mpconfigboard.mk
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Expand Up @@ -15,11 +15,4 @@ MCU_VARIANT = STM32F411xE
MCU_PACKAGE = UFQFPN48

LD_COMMON = boards/common_default.ld
LD_FILE = boards/STM32F411_nvm_nofs.ld

# Too big for the flash
CIRCUITPY_AUDIOCORE = 0
CIRCUITPY_AUDIOPWMIO = 0
CIRCUITPY_SYNTHIO = 0
CIRCUITPY_BITMAPTOOLS = 0
CIRCUITPY_VECTORIO = 0
LD_FILE = boards/STM32F411_nofs.ld