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betaflight/src/main/config/config_streamer.c
Michael Jakob 32a6409fc4 Move EEPROM configuration space to Flash Sector 1 for all F7 targets
Add correct flash layout for STM32F722
Remove obsolete CONFIG_START_FLASH_ADDRESS definition
2017-02-24 19:15:17 +01:00

273 lines
8 KiB
C

/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "platform.h"
#include "drivers/system.h"
#include "config/config_streamer.h"
extern uint8_t __config_start; // configured via linker script when building binaries.
extern uint8_t __config_end;
uint32_t FlashPageSize;
void config_streamer_init(config_streamer_t *c)
{
memset(c, 0, sizeof(*c));
FlashPageSize = (uint32_t)&__config_end - (uint32_t)&__config_start;
}
void config_streamer_start(config_streamer_t *c, uintptr_t base, int size)
{
// base must start at FLASH_PAGE_SIZE boundary
c->address = base;
c->size = size;
if (!c->unlocked) {
#if defined(STM32F7)
HAL_FLASH_Unlock();
#else
FLASH_Unlock();
#endif
c->unlocked = true;
}
#if defined(STM32F10X)
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPRTERR);
#elif defined(STM32F303)
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_PGERR | FLASH_FLAG_WRPERR);
#elif defined(STM32F4)
FLASH_ClearFlag(FLASH_FLAG_EOP | FLASH_FLAG_OPERR | FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_PGPERR | FLASH_FLAG_PGSERR);
#elif defined(STM32F7)
// NOP
#elif defined(UNIT_TEST)
// NOP
#else
# error "Unsupported CPU"
#endif
c->err = 0;
}
#if defined(STM32F745xx) || defined(STM32F746xx)
/*
Sector 0 0x08000000 - 0x08007FFF 32 Kbytes
Sector 1 0x08008000 - 0x0800FFFF 32 Kbytes
Sector 2 0x08010000 - 0x08017FFF 32 Kbytes
Sector 3 0x08018000 - 0x0801FFFF 32 Kbytes
Sector 4 0x08020000 - 0x0803FFFF 128 Kbytes
Sector 5 0x08040000 - 0x0807FFFF 256 Kbytes
Sector 6 0x08080000 - 0x080BFFFF 256 Kbytes
Sector 7 0x080C0000 - 0x080FFFFF 256 Kbytes
*/
static uint32_t getFLASHSectorForEEPROM(void)
{
if ((uint32_t)&__config_start <= 0x08007FFF)
return FLASH_SECTOR_0;
if ((uint32_t)&__config_start <= 0x0800FFFF)
return FLASH_SECTOR_1;
if ((uint32_t)&__config_start <= 0x08017FFF)
return FLASH_SECTOR_2;
if ((uint32_t)&__config_start <= 0x0801FFFF)
return FLASH_SECTOR_3;
if ((uint32_t)&__config_start <= 0x0803FFFF)
return FLASH_SECTOR_4;
if ((uint32_t)&__config_start <= 0x0807FFFF)
return FLASH_SECTOR_5;
if ((uint32_t)&__config_start <= 0x080BFFFF)
return FLASH_SECTOR_6;
if ((uint32_t)&__config_start <= 0x080FFFFF)
return FLASH_SECTOR_7;
// Not good
while (1) {
failureMode(FAILURE_FLASH_WRITE_FAILED);
}
}
#elif defined(STM32F722xx)
/*
Sector 0 0x08000000 - 0x08003FFF 16 Kbytes
Sector 1 0x08004000 - 0x08007FFF 16 Kbytes
Sector 2 0x08008000 - 0x0800BFFF 16 Kbytes
Sector 3 0x0800C000 - 0x0800FFFF 16 Kbytes
Sector 4 0x08010000 - 0x0801FFFF 64 Kbytes
Sector 5 0x08020000 - 0x0803FFFF 128 Kbytes
Sector 6 0x08040000 - 0x0805FFFF 128 Kbytes
Sector 7 0x08060000 - 0x0807FFFF 128 Kbytes
*/
static uint32_t getFLASHSectorForEEPROM(void)
{
if ((uint32_t)&__config_start <= 0x08003FFF)
return FLASH_SECTOR_0;
if ((uint32_t)&__config_start <= 0x08007FFF)
return FLASH_SECTOR_1;
if ((uint32_t)&__config_start <= 0x0800BFFF)
return FLASH_SECTOR_2;
if ((uint32_t)&__config_start <= 0x0800FFFF)
return FLASH_SECTOR_3;
if ((uint32_t)&__config_start <= 0x0801FFFF)
return FLASH_SECTOR_4;
if ((uint32_t)&__config_start <= 0x0803FFFF)
return FLASH_SECTOR_5;
if ((uint32_t)&__config_start <= 0x0805FFFF)
return FLASH_SECTOR_6;
if ((uint32_t)&__config_start <= 0x0807FFFF)
return FLASH_SECTOR_7;
// Not good
while (1) {
failureMode(FAILURE_FLASH_WRITE_FAILED);
}
}
#elif defined(STM32F4)
/*
Sector 0 0x08000000 - 0x08003FFF 16 Kbytes
Sector 1 0x08004000 - 0x08007FFF 16 Kbytes
Sector 2 0x08008000 - 0x0800BFFF 16 Kbytes
Sector 3 0x0800C000 - 0x0800FFFF 16 Kbytes
Sector 4 0x08010000 - 0x0801FFFF 64 Kbytes
Sector 5 0x08020000 - 0x0803FFFF 128 Kbytes
Sector 6 0x08040000 - 0x0805FFFF 128 Kbytes
Sector 7 0x08060000 - 0x0807FFFF 128 Kbytes
Sector 8 0x08080000 - 0x0809FFFF 128 Kbytes
Sector 9 0x080A0000 - 0x080BFFFF 128 Kbytes
Sector 10 0x080C0000 - 0x080DFFFF 128 Kbytes
Sector 11 0x080E0000 - 0x080FFFFF 128 Kbytes
*/
static uint32_t getFLASHSectorForEEPROM(void)
{
if ((uint32_t)&__config_start <= 0x08003FFF)
return FLASH_Sector_0;
if ((uint32_t)&__config_start <= 0x08007FFF)
return FLASH_Sector_1;
if ((uint32_t)&__config_start <= 0x0800BFFF)
return FLASH_Sector_2;
if ((uint32_t)&__config_start <= 0x0800FFFF)
return FLASH_Sector_3;
if ((uint32_t)&__config_start <= 0x0801FFFF)
return FLASH_Sector_4;
if ((uint32_t)&__config_start <= 0x0803FFFF)
return FLASH_Sector_5;
if ((uint32_t)&__config_start <= 0x0805FFFF)
return FLASH_Sector_6;
if ((uint32_t)&__config_start <= 0x0807FFFF)
return FLASH_Sector_7;
if ((uint32_t)&__config_start <= 0x0809FFFF)
return FLASH_Sector_8;
if ((uint32_t)&__config_start <= 0x080DFFFF)
return FLASH_Sector_9;
if ((uint32_t)&__config_start <= 0x080BFFFF)
return FLASH_Sector_10;
if ((uint32_t)&__config_start <= 0x080FFFFF)
return FLASH_Sector_11;
// Not good
while (1) {
failureMode(FAILURE_FLASH_WRITE_FAILED);
}
}
#endif
static int write_word(config_streamer_t *c, uint32_t value)
{
if (c->err != 0) {
return c->err;
}
#if defined(STM32F7)
if (c->address % FlashPageSize == 0) {
FLASH_EraseInitTypeDef EraseInitStruct = {
.TypeErase = FLASH_TYPEERASE_SECTORS,
.VoltageRange = FLASH_VOLTAGE_RANGE_3, // 2.7-3.6V
.NbSectors = 1
};
EraseInitStruct.Sector = getFLASHSectorForEEPROM();
uint32_t SECTORError;
const HAL_StatusTypeDef status = HAL_FLASHEx_Erase(&EraseInitStruct, &SECTORError);
if (status != HAL_OK){
return -1;
}
}
const HAL_StatusTypeDef status = HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, c->address, value);
if (status != HAL_OK) {
return -2;
}
#else
if (c->address % FlashPageSize == 0) {
#if defined(STM32F4)
const FLASH_Status status = FLASH_EraseSector(getFLASHSectorForEEPROM(), VoltageRange_3); //0x08080000 to 0x080A0000
#else
const FLASH_Status status = FLASH_ErasePage(c->address);
#endif
if (status != FLASH_COMPLETE) {
return -1;
}
}
const FLASH_Status status = FLASH_ProgramWord(c->address, value);
if (status != FLASH_COMPLETE) {
return -2;
}
#endif
c->address += sizeof(value);
return 0;
}
int config_streamer_write(config_streamer_t *c, const uint8_t *p, uint32_t size)
{
for (const uint8_t *pat = p; pat != (uint8_t*)p + size; pat++) {
c->buffer.b[c->at++] = *pat;
if (c->at == sizeof(c->buffer)) {
c->err = write_word(c, c->buffer.w);
c->at = 0;
}
}
return c->err;
}
int config_streamer_status(config_streamer_t *c)
{
return c->err;
}
int config_streamer_flush(config_streamer_t *c)
{
if (c->at != 0) {
memset(c->buffer.b + c->at, 0, sizeof(c->buffer) - c->at);
c->err = write_word(c, c->buffer.w);
c->at = 0;
}
return c-> err;
}
int config_streamer_finish(config_streamer_t *c)
{
if (c->unlocked) {
#if defined(STM32F7)
HAL_FLASH_Lock();
#else
FLASH_Lock();
#endif
c->unlocked = false;
}
return c->err;
}