drivers: flash: stm32g0: Implement APIs for option bytes and RDP #93159
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Implementation based on STM32G4 series. This is a preparation to enable reading and writing the RDP bits. Signed-off-by: Martin Jäger <[email protected]>
Allows to set readout protection bits for this series at runtime. Signed-off-by: Martin Jäger <[email protected]>
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| /* Force the option byte loading */ | ||
| regs->CR |= FLASH_CR_OBL_LAUNCH; |
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This may need to be adjusted based on the outcome of #91945.
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| FLASH_TypeDef *regs = FLASH_STM32_REGS(dev); | ||
| int rc; | ||
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| if (regs->CR & FLASH_CR_OPTLOCK) { |
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Should be if (regs->CR & FLASH_CR_OPTLOCK != 0) (despite other STM32 drivers don't do this).
Non-blocking comment.
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0U if we wanted to be pedantic 😉 (And I'd add parentheses to ensure no ambiguity about order of evaluation)
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Tested with STM32G030 microcontroller.