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drivers: flash: stm32 flash register name for the stm32h7RS serie

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Adapt the stm32 flash driver for the stm32h7rs serie where some
bit of the FLASH registers are named differently from stm32h7 serie.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2024-12-16 15:57:25 +01:00 committed by Benjamin Cabé
parent b0416f51b6
commit 2000ae6ac9
1 changed files with 9 additions and 1 deletions
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10
drivers/flash/flash_stm32h7x.c
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@ -85,8 +85,11 @@ static __unused int write_optb(const struct device *dev, uint32_t mask,
}
regs->OPTCR = (regs->OPTCR & ~mask) | value;
#ifdef CONFIG_SOC_SERIES_STM32H7RSX
regs->OPTCR |= FLASH_OPTCR_PG_OPT;
#else
regs->OPTCR |= FLASH_OPTCR_OPTSTART;
#endif /* CONFIG_SOC_SERIES_STM32H7RSX */
/* Make sure previous write is completed. */
barrier_dsync_fence_full();
@ -121,8 +124,13 @@ int flash_stm32_option_bytes_lock(const struct device *dev, bool enable)
if (enable) {
regs->OPTCR |= FLASH_OPTCR_OPTLOCK;
} else if (regs->OPTCR & FLASH_OPTCR_OPTLOCK) {
#ifdef CONFIG_SOC_SERIES_STM32H7RSX
regs->OPTKEYR = FLASH_OPTKEY1;
regs->OPTKEYR = FLASH_OPTKEY2;
#else
regs->OPTKEYR = FLASH_OPT_KEY1;
regs->OPTKEYR = FLASH_OPT_KEY2;
#endif /* CONFIG_SOC_SERIES_STM32H7RSX */
}
if (enable) {