openmano-mpy/ports/stm32/boards/B_L475E_IOT01A/mpconfigboard.mk, branch master MicroPython source and hardware configuration for OpenMano stm32/boards: Optimise flash and RAM allocation for L4 boards. 2019-07-01T06:57:20+00:00 Chris Mason 2019-05-12T14:13:59+00:00 378659209778a1bde24e9b15793087023b02bbd9 Optimisations are: - Remove FLASH_ISR section since devices with a small flash sector erase size don't need special FLASH_ISR handling. This reduces flash image by approx 1.5k. - Make SRAM2 contiguous with SRAM1 where possible. - Simplify configuration of 2k RAM buffer used for flash filesystem. RAM changes with this commit: - L432: stack 6k -> 10k, bss + heap 42k -> 52k - L476: stack 16k -> 30k, bss + heap 80k -> 96k - L496: stack 206k -> 16k, bss + heap 112k -> 302k 
Optimisations are:
- Remove FLASH_ISR section since devices with a small flash sector erase
  size don't need special FLASH_ISR handling.  This reduces flash image by
  approx 1.5k.
- Make SRAM2 contiguous with SRAM1 where possible.
- Simplify configuration of 2k RAM buffer used for flash filesystem.

RAM changes with this commit:
- L432: stack   6k -> 10k,  bss + heap   42k ->  52k
- L476: stack  16k -> 30k,  bss + heap   80k ->  96k
- L496: stack 206k -> 16k,  bss + heap  112k -> 302k
stm32/Makefile: Allow a board to config either 1 or 2 firmware sections. 2018-03-27T10:24:15+00:00 Damien George 2018-03-27T10:24:15+00:00 ed75b2655fd8e5f9c058a97852eb30f354c10206 This patch forces a board to explicitly define TEXT1_ADDR in order to split the firmware into two separate pieces. Otherwise the default is now to produce only a single continuous firmware image with all ISR, text and data together. 
This patch forces a board to explicitly define TEXT1_ADDR in order to
split the firmware into two separate pieces.  Otherwise the default is now
to produce only a single continuous firmware image with all ISR, text and
data together.
stm32/Makefile: Rename FLASH_ADDR/TEXT_ADDR to TEXT0_ADDR/TEXT1_ADDR. 2018-03-27T10:20:04+00:00 Damien George 2018-03-27T10:20:04+00:00 95b2cb008e22a26b398b3c153243269b2ffc3b6f To make it clearer that these addresses are both for firmware text and that they have a prescribed ordering. 
To make it clearer that these addresses are both for firmware text and that
they have a prescribed ordering.
stm32/boards: Allow boards to have finer control over the linker script. 2018-03-27T10:17:48+00:00 Damien George 2018-03-27T10:17:48+00:00 7aec06ca9abb8e07ffce09b5a755e2a6f61b6749 This patch allows a particular board to independently specify the linker scripts for 1) the MCU memory layout; 2) how the different firmware sections are arranged in memory. Right now all boards follow the same layout with two separate firmware section, one for the ISR and one for the text and data. This leaves room for storage (filesystem data) to live between the firmware sections. The idea with this patch is to accommodate boards that don't have internal flash storage and only need to have one continuous firmware section. Thus the common.ld script is renamed to common_ifs.ld to make explicit that it is used for cases where the board has internal flash storage. 
This patch allows a particular board to independently specify the linker
scripts for 1) the MCU memory layout; 2) how the different firmware
sections are arranged in memory.  Right now all boards follow the same
layout with two separate firmware section, one for the ISR and one for the
text and data.  This leaves room for storage (filesystem data) to live
between the firmware sections.

The idea with this patch is to accommodate boards that don't have internal
flash storage and only need to have one continuous firmware section.  Thus
the common.ld script is renamed to common_ifs.ld to make explicit that it
is used for cases where the board has internal flash storage.
stm32/boards: Add new board B_L475E_IOT01A based on STM32L475. 2017-09-10T06:02:39+00:00 Tobias Badertscher 2017-09-03T11:57:57+00:00 bd71b3252ab8b790547729730b40d5b46737ab9d