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Code Issues Releases Activity

f4 bl_helper: teach bl_helper about f4 flash sector map

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This commit is contained in:
Stacey Sheldon 2012-03-05 22:33:04 -05:00
parent d1d123e4f6
commit 4ea1156e7b
1 changed files with 107 additions and 14 deletions
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121
flight/PiOS/STM32F4xx/pios_bl_helper.c
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@ -33,6 +33,7 @@
#if defined(PIOS_INCLUDE_BL_HELPER) #if defined(PIOS_INCLUDE_BL_HELPER)
#include <pios_board_info.h> #include <pios_board_info.h>
#include "stm32f4xx_flash.h" #include "stm32f4xx_flash.h"
#include <stdbool.h>
uint8_t *PIOS_BL_HELPER_FLASH_If_Read(uint32_t SectorAddress) uint8_t *PIOS_BL_HELPER_FLASH_If_Read(uint32_t SectorAddress)
{ {
@ -46,31 +47,123 @@ uint8_t PIOS_BL_HELPER_FLASH_Ini()
return 1; return 1;
} }
struct device_flash_sector {
uint32_t start;
uint32_t size;
uint16_t st_sector;
};
static struct device_flash_sector flash_sectors[] = {
[0] = {
.start = 0x08000000,
.size = 16 * 1024,
.st_sector = FLASH_Sector_0,
},
[1] = {
.start = 0x08004000,
.size = 16 * 1024,
.st_sector = FLASH_Sector_1,
},
[2] = {
.start = 0x08008000,
.size = 16 * 1024,
.st_sector = FLASH_Sector_2,
},
[3] = {
.start = 0x0800C000,
.size = 16 * 1024,
.st_sector = FLASH_Sector_3,
},
[4] = {
.start = 0x08010000,
.size = 64 * 1024,
.st_sector = FLASH_Sector_4,
},
[5] = {
.start = 0x08020000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_5,
},
[6] = {
.start = 0x08040000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_6,
},
[7] = {
.start = 0x08060000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_7,
},
[8] = {
.start = 0x08080000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_8,
},
[9] = {
.start = 0x080A0000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_9,
},
[10] = {
.start = 0x080C0000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_10,
},
[11] = {
.start = 0x080E0000,
.size = 128 * 1024,
.st_sector = FLASH_Sector_11,
},
};
static bool PIOS_BL_HELPER_FLASH_GetSectorInfo(uint32_t address, uint8_t * sector_number, uint32_t *sector_start, uint32_t *sector_size)
{
for (uint8_t i = 0; i < NELEMENTS(flash_sectors); i++) {
struct device_flash_sector * sector = &flash_sectors[i];
if ((address >= sector->start) &&
(address < (sector->start + sector->size))) {
/* address lies within this sector */
*sector_number = sector->st_sector;
*sector_start = sector->start;
*sector_size = sector->size;
return (true);
}
}
return (false);
}
uint8_t PIOS_BL_HELPER_FLASH_Start() uint8_t PIOS_BL_HELPER_FLASH_Start()
{ {
const struct pios_board_info * bdinfo = &pios_board_info_blob; const struct pios_board_info * bdinfo = &pios_board_info_blob;
uint32_t pageAdress = bdinfo->fw_base; uint32_t pageAddress = bdinfo->fw_base;
uint8_t fail = FALSE; bool fail = false;
while ((pageAdress < (bdinfo->fw_base + bdinfo->fw_size + bdinfo->desc_size)) while ((pageAddress < (bdinfo->fw_base + bdinfo->fw_size + bdinfo->desc_size))
|| (fail == TRUE)) { && (fail == false)) {
uint8_t sector_number;
uint32_t sector_start;
uint32_t sector_size;
if (!PIOS_BL_HELPER_FLASH_GetSectorInfo(pageAddress,
&sector_number,
&sector_start,
&sector_size)) {
/* We're asking for an invalid flash address */
PIOS_Assert(0);
}
for (int retry = 0; retry < MAX_DEL_RETRYS; ++retry) { for (int retry = 0; retry < MAX_DEL_RETRYS; ++retry) {
if (FLASH_ErasePage(pageAdress) == FLASH_COMPLETE) { if (FLASH_EraseSector(sector_number, VoltageRange_2) == FLASH_COMPLETE) {
fail = FALSE; fail = false;
break; break;
} else { } else {
fail = TRUE; fail = true;
} }
} }
/* Move to the next sector */
#ifdef STM32F10X_HD pageAddress += sector_size;
pageAdress += 2048;
#elif defined (STM32F10X_MD)
pageAdress += 1024;
#endif
} }
return (fail == TRUE) ? 0 : 1; return (fail == true) ? 0 : 1;
} }
#endif #endif