static int SetDataFlashBase(uint32_t u32DFBA)
{
uint32_t au32Config[2];
/* Read current User Configuration */
FMC_ReadConfig(au32Config, 1);
/* Just return when Data Flash has been enabled */
if(!(au32Config[0] & 0x1))
return 0;
/* Enable User Configuration Update */
FMC_EnableConfigUpdate();
/* Erase User Configuration */
FMC_Erase(FMC_CONFIG_BASE);
/* Write User Configuration to Enable Data Flash */
au32Config[0] &= ~0x1;
au32Config[1] = u32DFBA;
if(FMC_WriteConfig(au32Config, 2))
return -1;
printf("\nSet Data Flash base as 0x%x.\n", FMC_ReadDataFlashBaseAddr());
/* Perform chip reset to make new User Config take effect */
SYS->IPRST0 |= SYS_IPRST0_CHIPRST_Msk;
return 0;
}
static int SetDataFlashBase(uint32_t u32DFBA)
{
uint32_t au32Config[2];
/* Read current User Configuration */
FMC_ReadConfig(au32Config, 1);
/* Just return when Data Flash has been enabled */
if(!(au32Config[0] & 0x1))
return 0;
/* Enable User Configuration Update */
FMC_EnableConfigUpdate();
/* Erase User Configuration */
FMC_Erase(FMC_CONFIG_BASE);
/* Write User Configuration to Enable Data Flash */
/* Note: DFVSEN = 1, DATA Flash Size is 4K bytes
DFVSEN = 0, DATA Flash Size is based on CONFIG1 */
au32Config[0] &= ~(CONFIG0_DFEN | CONFIG0_DFVSEN);
au32Config[1] = u32DFBA;
if(FMC_WriteConfig(au32Config, 2))
return -1;
printf("\nSet Data Flash base as 0x%x.\n", FMC_ReadDataFlashBaseAddr());
/* Perform chip reset to make new User Config take effect */
SYS->IPRSTC1 |= SYS_IPRSTC1_CHIP_RST_Msk;
return 0;
}
void FlashInit()
{
#ifdef M451
SYS_UnlockReg();
FMC_Open();
SetDataFlashBase(DATA_FLASH_TEST_BASE);
DATA_Flash_Start_ADD = FMC_ReadDataFlashBaseAddr();
SYS_LockReg();
#else
DrvFMC_EnableISP();
/* Read Data Flash base address */
DATA_Flash_Start_ADD = DrvFMC_ReadDataFlashBaseAddr();
DrvFMC_DisableISP();
#endif
printf("Flash initilize - [OK]\n");
}
int main()
{
uint32_t i, u32Data;
/* Init System, IP clock and multi-function I/O */
SYS_Init();
/* Init UART0 for printf */
UART0_Init();
/*---------------------------------------------------------------------------------------------------------*/
/* SAMPLE CODE */
/*---------------------------------------------------------------------------------------------------------*/
printf("\n\nCPU @ %dHz\n", SystemCoreClock);
SYS_UnlockReg();
/* Enable FMC ISP function */
FMC_Open();
if (set_data_flash_base(DATA_FLASH_TEST_BASE) < 0)
{
printf("Failed to set Data Flash base address!\n");
goto lexit;
}
/* Read BS */
printf(" Boot Mode ............................. ");
if (FMC_GetBootSource() == 0)
printf("[APROM]\n");
else
{
printf("[LDROM]\n");
printf(" WARNING: The driver sample code must execute in AP mode!\n");
goto lexit;
}
u32Data = FMC_ReadCID();
printf(" Company ID ............................ [0x%08x]\n", u32Data);
u32Data = FMC_ReadPID();
printf(" Product ID ............................ [0x%08x]\n", u32Data);
for (i = 0; i < 3; i++)
{
u32Data = FMC_ReadUID(i);
printf(" Unique ID %d ........................... [0x%08x]\n", i, u32Data);
}
for (i = 0; i < 4; i++)
{
u32Data = FMC_ReadUCID(i);
printf(" Unique Customer ID %d .................. [0x%08x]\n", i, u32Data);
}
/* Read User Configuration */
printf(" User Config 0 ......................... [0x%08x]\n", FMC_Read(FMC_CONFIG_BASE));
printf(" User Config 1 ......................... [0x%08x]\n", FMC_Read(FMC_CONFIG_BASE+4));
/* Read Data Flash base address */
u32Data = FMC_ReadDataFlashBaseAddr();
printf(" Data Flash Base Address ............... [0x%08x]\n", u32Data);
printf("\n\nLDROM test =>\n");
FMC_ENABLE_LD_UPDATE();
if (flash_test(FMC_LDROM_BASE, FMC_LDROM_END, TEST_PATTERN) < 0)
{
printf("\n\nLDROM test failed!\n");
goto lexit;
}
FMC_DISABLE_LD_UPDATE();
printf("\n\nAPROM test =>\n");
FMC_ENABLE_AP_UPDATE();
if (flash_test(APROM_TEST_BASE, DATA_FLASH_TEST_BASE, TEST_PATTERN) < 0)
{
printf("\n\nAPROM test failed!\n");
goto lexit;
}
FMC_DISABLE_AP_UPDATE();
printf("\n\nData Flash test =>\n");
if (flash_test(DATA_FLASH_TEST_BASE, DATA_FLASH_TEST_END, TEST_PATTERN) < 0)
{
printf("\n\nUHB test failed!\n");
goto lexit;
}
lexit:
/* Disable FMC ISP function */
FMC_Close();
/* Lock protected registers */
SYS_LockReg();
printf("\nFMC Sample Code Completed.\n");
while (1);
}
/**
* @brief Main funcion
* @param None
* @retval 0: Success; <0: Failed
*/
int32_t main (void)
{
int32_t i32Err;
uint32_t u32Data, i, u32ImageSize, j, *pu32Loader;
uint8_t ch;
UNLOCKREG();
/* Enable FMC ISP function */
FMC_Init();
/* Read Company ID */
u32Data = 0;
FMC_ReadCID(&u32Data);
if (u32Data != 0xda)
{
printf("Wrong CID: 0x%x\n", u32Data);
goto lexit;
}
/* Check the signature to check if Simple LD code is finished or not */
if (inpw(KEY_ADDR) == SIGNATURE)
{
/* Just clear SIGNATURE and finish the sample code if Simple LD code has been executed. */
outpw(KEY_ADDR, 0);
/* Read BS */
printf(" Boot Mode .................................. ");
if (FMC_GetBootSelect() == E_FMC_APROM)
printf("[APROM]\n");
else
{
printf("[LDROM]\n");
printf(" WARNING: The driver sample code must execute in AP mode!\n");
}
goto lexit;
}
printf("\n\n");
printf("+-------------------------------------------------------------------------+\n");
printf("| NANO1xx Flash Memory Controller Driver Sample Code |\n");
printf("+-------------------------------------------------------------------------+\n");
printf(" NOTE: This sample must be applied to NANO1xx series equipped with 16KB RAM.\n");
/* Read BS */
printf(" Boot Mode .................................. ");
if (FMC_GetBootSelect() == E_FMC_APROM)
printf("[APROM]\n");
else
{
printf("[LDROM]\n");
printf(" WARNING: The driver sample code must execute in AP mode!\n");
goto lexit;
}
/* Read Data Flash base address */
u32Data = FMC_ReadDataFlashBaseAddr();
printf(" Data Flash Base Address .................... [0x%08x]\n", u32Data);
/* Check the data in LD ROM to avoid overwrite them */
FMC_Read(LDROM_BASE, &u32Data);
if (u32Data != 0xFFFFFFFF)
{
printf("\n WARNING: There is code in LD ROM.\n If you proceed, the code in LD ROM will be corrupted.\n");
printf(" Continue? [y/n]:");
ch = getchar();
putchar(ch);
if (ch != 'y')
goto lexit;
printf("\n\n");
}
/* Enable LDROM update */
FMC_EnableLDUpdate();
printf(" Erase LD ROM ............................... ");
/* Page Erase LDROM */
for (i = 0; i < 4096; i += PAGE_SIZE)
FMC_Erase(LDROM_BASE + i);
/* Erase Verify */
i32Err = 0;
for (i = LDROM_BASE; i < (LDROM_BASE+4096); i += 4)
{
FMC_Read(i, &u32Data);
if(u32Data != 0xFFFFFFFF)
{
printf(" u32Data = 0x%x\n", u32Data);
i32Err = 1;
}
}
if (i32Err)
printf("[FAIL]\n");
else
printf("[OK]\n");
printf(" Program LD ROM test ........................ ");
/* Program LD ROM and read out data to compare it */
for (i = LDROM_BASE; i < (LDROM_BASE+4096); i += 4)
{
FMC_Write(i, i);
}
i32Err = 0;
for (i = LDROM_BASE; i < (LDROM_BASE+4096); i += 4)
{
FMC_Read(i, &u32Data);
if(u32Data != i)
{
i32Err = 1;
}
}
if (i32Err)
printf("[FAIL]\n");
else
printf("[OK]\n");
/* Check LD image size */
u32ImageSize = (uint32_t)&loaderImageLimit - (uint32_t)&loaderImageBase;
if (u32ImageSize == 0)
{
printf(" ERROR: Loader Image is 0 bytes!\n");
goto lexit;
}
if (u32ImageSize > 4096)
{
printf(" ERROR: Loader Image is larger than 4KBytes!\n");
goto lexit;
}
printf(" Program Simple LD Code ..................... ");
pu32Loader = (uint32_t *)&loaderImageBase;
for (i = 0; i < u32ImageSize; i += PAGE_SIZE)
{
FMC_Erase(LDROM_BASE + i);
for (j = 0; j < PAGE_SIZE; j += 4)
{
FMC_Write(LDROM_BASE + i + j, pu32Loader[(i + j) / 4]);
}
}
/* Verify loader */
i32Err = 0;
for (i = 0; i < u32ImageSize; i += PAGE_SIZE)
{
for(j = 0; j < PAGE_SIZE; j += 4)
{
FMC_Read(LDROM_BASE + i + j, &u32Data);
if (u32Data != pu32Loader[(i+j)/4])
i32Err = 1;
if (i + j >= u32ImageSize)
break;
}
}
if(i32Err)
{
printf("[FAIL]\n");
}
else
{
printf("[OK]\n");
/* Reset CPU to boot to LD mode */
printf("\n >>> Reset to LD mode <<<\n");
FMC_BootSelect(E_FMC_LDROM);
GCR->IPRST_CTL1 = GCR_IPRSTCTL1_CPU;
}
lexit:
/* Disable FMC ISP function */
FMC_DeInit();
/* Lock protected registers */
LOCKREG();
printf("\nFMC Sample Code Completed.\n");
}
int main()
{
uint32_t i, u32Data;
/* Unlock protected registers */
SYS_UnlockReg();
SYS_Init();
UART_Init();
/*
This sample code is used to show how to use StdDriver API to implement ISP functions.
*/
printf("\n\n");
printf("+----------------------------------------+\n");
printf("| NUC029xDE FMC Sample Code |\n");
printf("+----------------------------------------+\n");
//SYS_UnlockReg();
/* Enable FMC ISP function */
FMC_Open();
if(SetDataFlashBase(DATA_FLASH_TEST_BASE) < 0)
{
printf("Failed to set Data Flash base address!\n");
goto lexit;
}
/* Read BS */
printf(" Boot Mode ............................. ");
if(FMC_GetBootSource() == 0)
printf("[APROM]\n");
else
{
printf("[LDROM]\n");
printf(" WARNING: The driver sample code must execute in AP mode!\n");
goto lexit;
}
u32Data = FMC_ReadCID();
printf(" Company ID ............................ [0x%08x]\n", u32Data);
u32Data = FMC_ReadDID();
printf(" Device ID ............................. [0x%08x]\n", u32Data);
u32Data = FMC_ReadPID();
printf(" Product ID ............................ [0x%08x]\n", u32Data);
for(i = 0; i < 3; i++)
{
u32Data = FMC_ReadUID(i);
printf(" Unique ID %d ........................... [0x%08x]\n", i, u32Data);
}
for(i = 0; i < 4; i++)
{
u32Data = FMC_ReadUCID(i);
printf(" Unique Customer ID %d .................. [0x%08x]\n", i, u32Data);
}
/* Read User Configuration */
printf(" User Config 0 ......................... [0x%08x]\n", FMC_Read(FMC_CONFIG_BASE));
printf(" User Config 1 ......................... [0x%08x]\n", FMC_Read(FMC_CONFIG_BASE + 4));
/* Read Data Flash base address */
u32Data = FMC_ReadDataFlashBaseAddr();
printf(" Data Flash Base Address ............... [0x%08x]\n", u32Data);
printf("\n\nLDROM test =>\n");
FMC_EnableLDUpdate();
if(FlashTest(FMC_LDROM_BASE, FMC_LDROM_BASE + FMC_LDROM_SIZE, TEST_PATTERN) < 0)
{
printf("\n\nLDROM test failed!\n");
goto lexit;
}
FMC_DisableLDUpdate();
printf("\n\nAPROM test =>\n");
FMC_EnableAPUpdate();
if(FlashTest(APROM_TEST_BASE, APROM_TEST_END, TEST_PATTERN) < 0)
{
printf("\n\nAPROM test failed!\n");
goto lexit;
}
FMC_DisableAPUpdate();
printf("\n\nData Flash test =>\n");
if(FlashTest(DATA_FLASH_TEST_BASE, DATA_FLASH_TEST_END, TEST_PATTERN) < 0)
{
printf("\n\nUHB test failed!\n");
goto lexit;
}
lexit:
/* Disable FMC ISP function */
FMC_Close();
/* Lock protected registers */
SYS_LockReg();
printf("\nFMC Sample Code Completed.\n");
while(1);
}
