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HAL_ChibiOS: added support for ALT_RAM_MAP on H7

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for compatibility with the px4 H7 bootloader
This commit is contained in:
Andrew Tridgell 2022-06-13 19:10:03 +10:00
parent 308717d5eb
commit 9efcad3adf
2 changed files with 13 additions and 0 deletions
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10
libraries/AP_HAL_ChibiOS/hwdef/scripts/STM32H743xx.py
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@ -34,6 +34,16 @@ mcu = {
(0x38000000, 64, 1), # SRAM4.
],
# alternative RAM_MAP needed for px4 bootloader compatibility
'ALT_RAM_MAP' : [
(0x24000000, 512, 4), # AXI SRAM. Use this for SDMMC IDMA ops
(0x30000000, 256, 0), # SRAM1, SRAM2
(0x20000000, 128, 2), # DTCM, tightly coupled, no DMA, fast
(0x00000400, 63, 2), # ITCM (first 1k removed, to keep address 0 unused)
(0x30040000, 32, 0), # SRAM3.
(0x38000000, 64, 1), # SRAM4.
],
# avoid a problem in the bootloader by making DTCM first. The DCache init
# when using SRAM1 as primary memory gets a hard fault in bootloader
# we can't use DTCM first for main firmware as some builds overflow the first segment

3
libraries/AP_HAL_ChibiOS/hwdef/scripts/chibios_hwdef.py
View File

@ -725,6 +725,9 @@ def get_ram_map():
ram_map = get_mcu_config('RAM_MAP_EXTERNAL_FLASH', False)
if ram_map is not None:
return ram_map
elif int(env_vars.get('USE_ALT_RAM_MAP',0)) == '1':
print("Using ALT_RAM_MAP")
return get_mcu_config('ALT_RAM_MAP', True)
return get_mcu_config('RAM_MAP', True)
def get_flash_pages_sizes():