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-rw-r--r--stmhal/flash.c288
1 files changed, 0 insertions, 288 deletions
diff --git a/stmhal/flash.c b/stmhal/flash.c
deleted file mode 100644
index bebb3a161..000000000
--- a/stmhal/flash.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- * This file is part of the MicroPython project, http://micropython.org/
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2013, 2014 Damien P. George
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "py/mpconfig.h"
-#include "py/misc.h"
-#include "flash.h"
-
-typedef struct {
- uint32_t base_address;
- uint32_t sector_size;
- uint32_t sector_count;
-} flash_layout_t;
-
-#if defined(MCU_SERIES_F4)
-
-static const flash_layout_t flash_layout[] = {
- { 0x08000000, 0x04000, 4 },
- { 0x08010000, 0x10000, 1 },
- { 0x08020000, 0x20000, 3 },
- #if defined(FLASH_SECTOR_8)
- { 0x08080000, 0x20000, 4 },
- #endif
- #if defined(FLASH_SECTOR_12)
- { 0x08100000, 0x04000, 4 },
- { 0x08110000, 0x10000, 1 },
- { 0x08120000, 0x20000, 7 },
- #endif
-};
-
-#elif defined(MCU_SERIES_F7)
-
-// FLASH_FLAG_PGSERR (Programming Sequence Error) was renamed to
-// FLASH_FLAG_ERSERR (Erasing Sequence Error) in STM32F7
-#define FLASH_FLAG_PGSERR FLASH_FLAG_ERSERR
-
-static const flash_layout_t flash_layout[] = {
- { 0x08000000, 0x08000, 4 },
- { 0x08020000, 0x20000, 1 },
- { 0x08040000, 0x40000, 3 },
-};
-
-#elif defined(MCU_SERIES_L4)
-
-static const flash_layout_t flash_layout[] = {
- { (uint32_t)FLASH_BASE, (uint32_t)FLASH_PAGE_SIZE, 512 },
-};
-
-#else
-#error Unsupported processor
-#endif
-
-#if defined(MCU_SERIES_L4)
-
-// get the bank of a given flash address
-static uint32_t get_bank(uint32_t addr) {
- if (READ_BIT(SYSCFG->MEMRMP, SYSCFG_MEMRMP_FB_MODE) == 0) {
- // no bank swap
- if (addr < (FLASH_BASE + FLASH_BANK_SIZE)) {
- return FLASH_BANK_1;
- } else {
- return FLASH_BANK_2;
- }
- } else {
- // bank swap
- if (addr < (FLASH_BASE + FLASH_BANK_SIZE)) {
- return FLASH_BANK_2;
- } else {
- return FLASH_BANK_1;
- }
- }
-}
-
-// get the page of a given flash address
-static uint32_t get_page(uint32_t addr) {
- if (addr < (FLASH_BASE + FLASH_BANK_SIZE)) {
- // bank 1
- return (addr - FLASH_BASE) / FLASH_PAGE_SIZE;
- } else {
- // bank 2
- return (addr - (FLASH_BASE + FLASH_BANK_SIZE)) / FLASH_PAGE_SIZE;
- }
-}
-
-#endif
-
-uint32_t flash_get_sector_info(uint32_t addr, uint32_t *start_addr, uint32_t *size) {
- if (addr >= flash_layout[0].base_address) {
- uint32_t sector_index = 0;
- for (int i = 0; i < MP_ARRAY_SIZE(flash_layout); ++i) {
- for (int j = 0; j < flash_layout[i].sector_count; ++j) {
- uint32_t sector_start_next = flash_layout[i].base_address
- + (j + 1) * flash_layout[i].sector_size;
- if (addr < sector_start_next) {
- if (start_addr != NULL) {
- *start_addr = flash_layout[i].base_address
- + j * flash_layout[i].sector_size;
- }
- if (size != NULL) {
- *size = flash_layout[i].sector_size;
- }
- return sector_index;
- }
- ++sector_index;
- }
- }
- }
- return 0;
-}
-
-void flash_erase(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) {
- // check there is something to write
- if (num_word32 == 0) {
- return;
- }
-
- // unlock
- HAL_FLASH_Unlock();
-
- FLASH_EraseInitTypeDef EraseInitStruct;
-
- #if defined(MCU_SERIES_L4)
- __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_ALL_ERRORS);
-
- // erase the sector(s)
- // The sector returned by flash_get_sector_info can not be used
- // as the flash has on each bank 0/1 pages 0..255
- EraseInitStruct.TypeErase = FLASH_TYPEERASE_PAGES;
- EraseInitStruct.Banks = get_bank(flash_dest);
- EraseInitStruct.Page = get_page(flash_dest);
- EraseInitStruct.NbPages = get_page(flash_dest + 4 * num_word32 - 1) - EraseInitStruct.Page + 1;;
- #else
- // Clear pending flags (if any)
- __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |
- FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
-
- // erase the sector(s)
- EraseInitStruct.TypeErase = TYPEERASE_SECTORS;
- EraseInitStruct.VoltageRange = VOLTAGE_RANGE_3; // voltage range needs to be 2.7V to 3.6V
- EraseInitStruct.Sector = flash_get_sector_info(flash_dest, NULL, NULL);
- EraseInitStruct.NbSectors = flash_get_sector_info(flash_dest + 4 * num_word32 - 1, NULL, NULL) - EraseInitStruct.Sector + 1;
- #endif
-
- uint32_t SectorError = 0;
- if (HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError) != HAL_OK) {
- // error occurred during sector erase
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
-}
-
-/*
-// erase the sector using an interrupt
-void flash_erase_it(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) {
- // check there is something to write
- if (num_word32 == 0) {
- return;
- }
-
- // unlock
- HAL_FLASH_Unlock();
-
- // Clear pending flags (if any)
- __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |
- FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR|FLASH_FLAG_PGSERR);
-
- // erase the sector(s)
- FLASH_EraseInitTypeDef EraseInitStruct;
- EraseInitStruct.TypeErase = TYPEERASE_SECTORS;
- EraseInitStruct.VoltageRange = VOLTAGE_RANGE_3; // voltage range needs to be 2.7V to 3.6V
- EraseInitStruct.Sector = flash_get_sector_info(flash_dest, NULL, NULL);
- EraseInitStruct.NbSectors = flash_get_sector_info(flash_dest + 4 * num_word32 - 1, NULL, NULL) - EraseInitStruct.Sector + 1;
- if (HAL_FLASHEx_Erase_IT(&EraseInitStruct) != HAL_OK) {
- // error occurred during sector erase
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
-}
-*/
-
-void flash_write(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) {
- #if defined(MCU_SERIES_L4)
-
- // program the flash uint64 by uint64
- for (int i = 0; i < num_word32 / 2; i++) {
- uint64_t val = *(uint64_t*)src;
- if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, flash_dest, val) != HAL_OK) {
- // error occurred during flash write
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
- flash_dest += 8;
- src += 2;
- }
- if ((num_word32 & 0x01) == 1) {
- uint64_t val = *(uint64_t*)flash_dest;
- val = (val & 0xffffffff00000000uL) | (*src);
- if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, flash_dest, val) != HAL_OK) {
- // error occurred during flash write
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
- }
-
- #else
-
- // program the flash word by word
- for (int i = 0; i < num_word32; i++) {
- if (HAL_FLASH_Program(TYPEPROGRAM_WORD, flash_dest, *src) != HAL_OK) {
- // error occurred during flash write
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
- flash_dest += 4;
- src += 1;
- }
-
- #endif
-
- // lock the flash
- HAL_FLASH_Lock();
-}
-
-/*
- use erase, then write
-void flash_erase_and_write(uint32_t flash_dest, const uint32_t *src, uint32_t num_word32) {
- // check there is something to write
- if (num_word32 == 0) {
- return;
- }
-
- // unlock
- HAL_FLASH_Unlock();
-
- // Clear pending flags (if any)
- __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR |
- FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR|FLASH_FLAG_PGSERR);
-
- // erase the sector(s)
- FLASH_EraseInitTypeDef EraseInitStruct;
- EraseInitStruct.TypeErase = TYPEERASE_SECTORS;
- EraseInitStruct.VoltageRange = VOLTAGE_RANGE_3; // voltage range needs to be 2.7V to 3.6V
- EraseInitStruct.Sector = flash_get_sector_info(flash_dest, NULL, NULL);
- EraseInitStruct.NbSectors = flash_get_sector_info(flash_dest + 4 * num_word32 - 1, NULL, NULL) - EraseInitStruct.Sector + 1;
- uint32_t SectorError = 0;
- if (HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError) != HAL_OK) {
- // error occurred during sector erase
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
-
- // program the flash word by word
- for (int i = 0; i < num_word32; i++) {
- if (HAL_FLASH_Program(TYPEPROGRAM_WORD, flash_dest, *src) != HAL_OK) {
- // error occurred during flash write
- HAL_FLASH_Lock(); // lock the flash
- return;
- }
- flash_dest += 4;
- src += 1;
- }
-
- // lock the flash
- HAL_FLASH_Lock();
-}
-*/
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