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stm32/sdram: Enable MPU for unaligned access on H7 MCUs.

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So that SDRAM can be used as the heap on ARDUINO_PORTENTA_H7, for example.

Fixes issue #9087.
This commit is contained in:
Damiano Mazzella 2022-08-23 16:50:24 +02:00 committed by Damien George
parent 8139cbcf6b
commit 1fbf0efaeb
1 changed files with 1 additions and 1 deletions
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2
ports/stm32/sdram.c
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@ -244,7 +244,7 @@ static void sdram_init_seq(SDRAM_HandleTypeDef
#define REFRESH_COUNT (MICROPY_HW_SDRAM_REFRESH_RATE * 90000 / 8192 - 20)
HAL_SDRAM_ProgramRefreshRate(hsdram, REFRESH_COUNT);
#if defined(STM32F7)
#if defined(STM32F7) || defined(STM32H7)
/* Enable MPU for the SDRAM Memory Region to allow non-aligned
accesses (hard-fault otherwise)
Initially disable all access for the entire SDRAM memory space,