Ejemplo n.º 1
0
static vsf_err_t nuc100swj_init_iap(void)
{
	uint32_t reg;
	uint8_t verify_buff[sizeof(iap_code)];
	
	if (cm_dp_halt())
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "halt nuc100");
		return ERRCODE_FAILURE_OPERATION;
	}
	
	// enable isp clock and ispen bit
	reg = NUC100_REG_AHBCLK_ISPEN;
	if (adi_memap_write_reg32(NUC100_REG_AHBCLK, &reg, 0))
	{
		return VSFERR_FAIL;
	}
	reg = NUC100_REG_ISPCON_ISPFF | NUC100_REG_ISPCON_LDUEN |
			NUC100_REG_ISPCON_CFGUEN | NUC100_REG_ISPCON_ISPEN;
	if (adi_memap_write_reg32(NUC100_REG_ISPCON, &reg, 1))
	{
		return VSFERR_FAIL;
	}
	
	// write iap_code
	if (adi_memap_write_buf32(NUC100_IAP_BASE, (uint8_t*)iap_code,
											sizeof(iap_code)))
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "load iap_code to SRAM");
		return ERRCODE_FAILURE_OPERATION;
	}
	// verify iap_code
	memset(verify_buff, 0, sizeof(iap_code));
	if (adi_memap_read_buf32(NUC100_IAP_BASE, verify_buff,
										sizeof(iap_code)))
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "read flash_loader");
		return ERRCODE_FAILURE_OPERATION;
	}
	if (memcmp(verify_buff, iap_code, sizeof(iap_code)))
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "verify flash_loader");
		return ERRCODE_FAILURE_OPERATION;
	}
	
	// write pc
	reg = NUC100_IAP_BASE + 1;
	if (cm_write_core_register(CM_COREREG_PC, &reg))
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "write PC");
		return ERRCODE_FAILURE_OPERATION;
	}
	
	if (cm_dp_resume())
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "run iap");
		return ERRCODE_FAILURE_OPERATION;
	}
	return VSFERR_NONE;
}
Ejemplo n.º 2
0
static vsf_err_t nuc400swj_unlock(void)
{
	uint32_t data[3] = {NUC400_REG_REGWRPROT_D0,
						NUC400_REG_REGWRPROT_D1,
						NUC400_REG_REGWRPROT_D2};
	
	if (adi_memap_write_reg32(NUC400_REG_REGWRPROT, &data[0], 0) ||
		adi_memap_write_reg32(NUC400_REG_REGWRPROT, &data[1], 0) ||
		adi_memap_write_reg32(NUC400_REG_REGWRPROT, &data[2], 1))
	{
		return VSFERR_FAIL;
	}
	return VSFERR_NONE;
}
Ejemplo n.º 3
0
static vsf_err_t nuc400swj_fmc_enable(void)
{
	uint32_t reg = NUC400_REG_AHBCLK_ISPEN;
	if (adi_memap_write_reg32(NUC400_REG_AHBCLK, &reg, 0))
	{
		return VSFERR_FAIL;
	}
	reg = NUC400_REG_ISPCON_ISPFF | NUC400_REG_ISPCON_LDUEN |
			NUC400_REG_ISPCON_CFGUEN | NUC400_REG_ISPCON_ISPEN;
	if (adi_memap_write_reg32(NUC400_REG_ISPCON, &reg, 1))
	{
		return VSFERR_FAIL;
	}
	return VSFERR_NONE;
}
Ejemplo n.º 4
0
static vsf_err_t nuc400swj_reset_to_ldrom(void)
{
	uint32_t reg = NUC400_REG_ISPCON_BS_LDROM;
	
	if (adi_memap_write_reg32(NUC400_REG_ISPCON, &reg, 1) || nuc400swj_reset())
	{
		return VSFERR_FAIL;
	}
	return VSFERR_NONE;
}
Ejemplo n.º 5
0
static vsf_err_t nuc100swj_reset_to_aprom(void)
{
	uint32_t ispcon = NUC100_REG_ISPCON_BS_APROM;
	
	if (adi_memap_write_reg32(NUC100_REG_ISPCON, &ispcon, 1) ||
		nuc100swj_reset())
	{
		return VSFERR_FAIL;
	}
	return VSFERR_NONE;
}
Ejemplo n.º 6
0
static vsf_err_t at91sam3swj_iap_call(struct at91sam3swj_iap_command_t *cmd,
							struct at91sam3swj_iap_reply_t *reply)
{
	uint32_t reg;
	uint32_t start, end;
	uint32_t i;
	
	reg = cmd->iap_command | AT91SAM3_EEFC_FKEY;
	if (adi_memap_write_reg32(cmd->eefc_base + AT91SAM3_EEFC_FCR_OFFSET,
								&reg, 1))
	{
		LOG_ERROR(ERRMSG_FAILURE_OPERATION, "write fcr");
		return ERRCODE_FAILURE_OPERATION;
	}
	
	start = (uint32_t)(clock() / (CLOCKS_PER_SEC / 1000));
	do
	{
		reg = 0;
		if (adi_memap_read_reg32(cmd->eefc_base + AT91SAM3_EEFC_FSR_OFFSET,
									&reg, 1))
		{
			LOG_ERROR(ERRMSG_FAILURE_OPERATION, "read fsr");
			return ERRCODE_FAILURE_OPERATION;
		}
		reg = LE_TO_SYS_U32(reg);
		end = (uint32_t)(clock() / (CLOCKS_PER_SEC / 1000));
	} while (!(reg & 1) && ((end - start) < 500));
	if (!(reg & 1) || (reg & 0x60))
	{
		return VSFERR_FAIL;
	}
	
	if ((reply != NULL) && (reply->data != NULL) && (reply->data_num > 0))
	{
		for (i = 0; i < reply->data_num; i++)
		{
			if (adi_memap_read_reg32(cmd->eefc_base + AT91SAM3_EEFC_FRR_OFFSET,
										&reply->data[i], 1))
			{
				LOG_ERROR(ERRMSG_FAILURE_OPERATION, "read frr");
				return ERRCODE_FAILURE_OPERATION;
			}
			reply->data[i] = LE_TO_SYS_U32(reply->data[i]);
		}
	}
	
	return VSFERR_NONE;
}
Ejemplo n.º 7
0
static vsf_err_t nuc400swj_isp_run(uint8_t cmd, uint32_t addr, uint32_t *data,
									uint32_t num, bool read)
{
	vsf_err_t err = VSFERR_NONE;
	uint32_t reg, i;
	
	for (i = 0; i < num; i++)
	{
		if (!read && (data != NULL))
		{
			if (adi_memap_write_reg32(NUC400_REG_ISPADR, &data[i], 0))
			{
				err = ERRCODE_FAILURE_OPERATION;
				break;
			}
		}
		reg = addr;
		addr += 4;
		if (adi_memap_write_reg32(NUC400_REG_ISPADR, &reg, 0))
		{
			err = ERRCODE_FAILURE_OPERATION;
			break;
		}
		reg = cmd;
		if (adi_memap_write_reg32(NUC400_REG_ISPCMD, &reg, 0))
		{
			err = ERRCODE_FAILURE_OPERATION;
			break;
		}
		reg = NUC400_REG_ISPTRG_ISPGO;
		if (adi_memap_write_reg32(NUC400_REG_ISPTRG, &reg, 0))
		{
			err = ERRCODE_FAILURE_OPERATION;
			break;
		}
		while (1)
		{
			if (adi_memap_read_reg32(NUC400_REG_ISPTRG, &reg, 1))
			{
				err = ERRCODE_FAILURE_OPERATION;
				break;
			}
			if (!(reg & NUC400_REG_ISPTRG_ISPGO))
			{
				break;
			}
		}
		if (adi_memap_read_reg32(NUC400_REG_ISPCON, &reg, 1) ||
			(reg & NUC400_REG_ISPCON_ISPFF))
		{
			err = ERRCODE_FAILURE_OPERATION;
			break;
		}
		if (read && (data != NULL) &&
			adi_memap_read_reg32(NUC400_REG_ISPDAT, &data[i], 1))
		{
			err = ERRCODE_FAILURE_OPERATION;
			break;
		}
	}
	return err;
}
Ejemplo n.º 8
0
static vsf_err_t nuc400swj_reset(void)
{
	uint32_t reg = NUC400_REG_IPRSTC1_CUP_RST;
	
	return adi_memap_write_reg32(NUC400_REG_IPRSTC1, &reg, 1);
}
Ejemplo n.º 9
0
static vsf_err_t nuc100swj_reset(void)
{
	uint32_t iprstc1 = NUC100_REG_IPRSTC1_CUP_RST;
	
	return adi_memap_write_reg32(NUC100_REG_IPRSTC1, &iprstc1, 1);
}