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Merge pull request #3071 from jgillick/jeremy/stm-nvm-flash

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STM32 (ThunderPack) - Move NVM sector to increase program size.
This commit is contained in:
Scott Shawcroft 2020-06-26 09:45:26 -07:00 committed by GitHub
commit 9ec9644928
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3 changed files with 12 additions and 17 deletions
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6
ports/stm/boards/STM32F411_nvm.ld
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@ -7,9 +7,9 @@ MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K /* entire flash */
FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */
FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 32K /* sectors 1,2 are 16K */
FLASH_NVM (rwx) : ORIGIN = 0x0800C000, LENGTH = 16K /* sector 3 is 16K */
FLASH_FIRMWARE (rx) : ORIGIN = 0x08010000, LENGTH = 448K /* sector 4 is 64K, sectors 5,6,7 are 128K */
FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 48K /* sectors 1,2,3 are 16K */
FLASH_NVM (rwx) : ORIGIN = 0x08010000, LENGTH = 64K /* sector 4 is 64K */
FLASH_FIRMWARE (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* sectors 5,6,7 are 128K */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
}

4
ports/stm/boards/thunderpack/mpconfigboard.h
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@ -28,8 +28,8 @@
// Non-volatile memory config
#define CIRCUITPY_INTERNAL_NVM_SIZE (0x4000)
#define CIRCUITPY_INTERNAL_NVM_START_ADDR (0x0800C000)
#define CIRCUITPY_INTERNAL_NVM_SECTOR FLASH_SECTOR_3
#define CIRCUITPY_INTERNAL_NVM_START_ADDR (0x08010000)
#define CIRCUITPY_INTERNAL_NVM_SECTOR FLASH_SECTOR_4
// Putting the entire flash sector in the NVM byte array buffer
// would take up too much RAM. This limits how much of the sector we use.

5
ports/stm/supervisor/internal_flash.h
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@ -41,14 +41,9 @@
#ifdef STM32F411xE
#define STM32_FLASH_SIZE 0x80000 //512KiB
#if CIRCUITPY_NVM
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0x8000 //32KiB
#define INTERNAL_FLASH_FILESYSTEM_START_ADDR 0x08004000
#else
#define INTERNAL_FLASH_FILESYSTEM_SIZE 0xC000 //48KiB
#define INTERNAL_FLASH_FILESYSTEM_START_ADDR 0x08004000
#endif
#endif
#ifdef STM32F412Zx
#define STM32_FLASH_SIZE 0x100000 //1MB