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drivers: flash: stm32h7RS flash size is fixed to 64KBytes

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Fix the flash size to 64KB for the stm32H7RS series.
Restore the get_size API function for that series.
This is a specificity of this stm32 mcu (RefMan RM0477).

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2025-05-14 10:21:54 +02:00 • committed by Benjamin Cabé
commit cbe3e18396
1 changed files with 5 additions and 5 deletions
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10
drivers/flash/flash_stm32h7x.c
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@ -56,7 +56,7 @@ LOG_MODULE_REGISTER(LOG_DOMAIN);
#define STM32H7_SERIES_MAX_FLASH_KB KB(2048)
#define BANK2_OFFSET (STM32H7_SERIES_MAX_FLASH_KB / 2)
/* When flash is dual bank and flash size is smaller than Max flash size of
* the serie, there is a discontinuty between bank1 and bank2.
* the series, there is a discontinuty between bank1 and bank2.
*/
#define DISCONTINUOUS_BANKS (REAL_FLASH_SIZE_KB < STM32H7_SERIES_MAX_FLASH_KB)
#define NUMBER_OF_BANKS 2
@ -840,17 +840,19 @@ static const struct flash_parameters *flash_stm32h7_get_parameters(const struct
return &flash_stm32h7_parameters;
}
#ifndef CONFIG_SOC_SERIES_STM32H7RSX
/* Gives the total logical device size in bytes and return 0. */
static int flash_stm32h7_get_size(const struct device *dev, uint64_t *size)
{
ARG_UNUSED(dev);
#ifdef CONFIG_SOC_SERIES_STM32H7RSX
*size = (uint64_t)0x10000U; /* The series has only 64K of user flash memory */
#else
*size = (uint64_t)LL_GetFlashSize() * 1024U;
#endif /* CONFIG_SOC_SERIES_STM32H7RSX */
return 0;
}
#endif /* !CONFIG_SOC_SERIES_STM32H7RSX */
void flash_stm32_page_layout(const struct device *dev, const struct flash_pages_layout **layout,
size_t *layout_size)
@ -909,9 +911,7 @@ static DEVICE_API(flash, flash_stm32h7_api) = {
.write = flash_stm32h7_write,
.read = flash_stm32h7_read,
.get_parameters = flash_stm32h7_get_parameters,
#ifndef CONFIG_SOC_SERIES_STM32H7RSX
.get_size = flash_stm32h7_get_size,
#endif
#ifdef CONFIG_FLASH_PAGE_LAYOUT
.page_layout = flash_stm32_page_layout,
#endif