コード例 #1
0
static int
idtg2_em_init(struct rio_dev *rdev)
{
	u32 regval;
	int i, tmp;

	/*
	 * This routine performs device-specific initialization only.
	 * All standard EM configuration should be performed at upper level.
	 */

	pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);

	/* Set Port-Write info CSR: PRIO=3 and CRF=1 */
	rio_write_config_32(rdev, IDT_PW_INFO_CSR, 0x0000e000);

	/*
	 * Configure LT LAYER error reporting.
	 */

	/* Enable standard (RIO.p8) error reporting */
	rio_write_config_32(rdev, IDT_LT_ERR_REPORT_EN,
			REM_LTL_ERR_ILLTRAN | REM_LTL_ERR_UNSOLR |
			REM_LTL_ERR_UNSUPTR);

	/* Use Port-Writes for LT layer error reporting.
	 * Enable per-port reset
	 */
	rio_read_config_32(rdev, IDT_DEV_CTRL_1, &regval);
	rio_write_config_32(rdev, IDT_DEV_CTRL_1,
			regval | IDT_DEV_CTRL_1_GENPW | IDT_DEV_CTRL_1_PRSTBEH);

	/*
	 * Configure PORT error reporting.
	 */

	/* Report all RIO.p8 errors supported by device */
	rio_write_config_32(rdev, IDT_PORT_ERR_REPORT_EN_BC, 0x807e8037);

	/* Configure reporting of implementation specific errors/events */
	rio_write_config_32(rdev, IDT_PORT_ISERR_REPORT_EN_BC,
			    IDT_PORT_INIT_TX_ACQUIRED);

	/* Use Port-Writes for port error reporting and enable error logging */
	tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo);
	for (i = 0; i < tmp; i++) {
		rio_read_config_32(rdev, IDT_PORT_OPS(i), &regval);
		rio_write_config_32(rdev,
				IDT_PORT_OPS(i), regval | IDT_PORT_OPS_GENPW |
				IDT_PORT_OPS_PL_ELOG |
				IDT_PORT_OPS_LL_ELOG |
				IDT_PORT_OPS_LT_ELOG);
	}
	/* Overwrite error log if full */
	rio_write_config_32(rdev, IDT_ERR_CAP, IDT_ERR_CAP_LOG_OVERWR);

	/*
	 * Configure LANE error reporting.
	 */

	/* Disable line error reporting */
	rio_write_config_32(rdev, IDT_LANE_ERR_REPORT_EN_BC, 0);

	/* Use Port-Writes for lane error reporting (when enabled)
	 * (do per-lane update because lanes may have different configuration)
	 */
	tmp = (rdev->did == RIO_DID_IDTCPS1848) ? 48 : 16;
	for (i = 0; i < tmp; i++) {
		rio_read_config_32(rdev, IDT_LANE_CTRL(i), &regval);
		rio_write_config_32(rdev, IDT_LANE_CTRL(i),
				    regval | IDT_LANE_CTRL_GENPW);
	}

	/*
	 * Configure AUX error reporting.
	 */

	/* Disable JTAG and I2C Error capture */
	rio_write_config_32(rdev, IDT_AUX_PORT_ERR_CAP_EN, 0);

	/* Disable JTAG and I2C Error reporting/logging */
	rio_write_config_32(rdev, IDT_AUX_ERR_REPORT_EN, 0);

	/* Disable Port-Write notification from JTAG */
	rio_write_config_32(rdev, IDT_JTAG_CTRL, 0);

	/* Disable Port-Write notification from I2C */
	rio_read_config_32(rdev, IDT_I2C_MCTRL, &regval);
	rio_write_config_32(rdev, IDT_I2C_MCTRL, regval & ~IDT_I2C_MCTRL_GENPW);

	/*
	 * Configure CFG_BLK error reporting.
	 */

	/* Disable Configuration Block error capture */
	rio_write_config_32(rdev, IDT_CFGBLK_ERR_CAPTURE_EN, 0);

	/* Disable Port-Writes for Configuration Block error reporting */
	rio_read_config_32(rdev, IDT_CFGBLK_ERR_REPORT, &regval);
	rio_write_config_32(rdev, IDT_CFGBLK_ERR_REPORT,
			    regval & ~IDT_CFGBLK_ERR_REPORT_GENPW);

	/* set TVAL = ~50us */
	rio_write_config_32(rdev,
		rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8);

	return 0;
}
コード例 #2
0
static int
idtg2_em_init(struct rio_dev *rdev)
{
	u32 regval;
	int i, tmp;


	pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount);

	
	rio_write_config_32(rdev, IDT_PW_INFO_CSR, 0x0000e000);


	
	rio_write_config_32(rdev, IDT_LT_ERR_REPORT_EN,
			REM_LTL_ERR_ILLTRAN | REM_LTL_ERR_UNSOLR |
			REM_LTL_ERR_UNSUPTR);

	rio_read_config_32(rdev, IDT_DEV_CTRL_1, &regval);
	rio_write_config_32(rdev, IDT_DEV_CTRL_1,
			regval | IDT_DEV_CTRL_1_GENPW | IDT_DEV_CTRL_1_PRSTBEH);


	
	rio_write_config_32(rdev, IDT_PORT_ERR_REPORT_EN_BC, 0x807e8037);

	
	rio_write_config_32(rdev, IDT_PORT_ISERR_REPORT_EN_BC,
			    IDT_PORT_INIT_TX_ACQUIRED);

	
	tmp = RIO_GET_TOTAL_PORTS(rdev->swpinfo);
	for (i = 0; i < tmp; i++) {
		rio_read_config_32(rdev, IDT_PORT_OPS(i), &regval);
		rio_write_config_32(rdev,
				IDT_PORT_OPS(i), regval | IDT_PORT_OPS_GENPW |
				IDT_PORT_OPS_PL_ELOG |
				IDT_PORT_OPS_LL_ELOG |
				IDT_PORT_OPS_LT_ELOG);
	}
	
	rio_write_config_32(rdev, IDT_ERR_CAP, IDT_ERR_CAP_LOG_OVERWR);


	
	rio_write_config_32(rdev, IDT_LANE_ERR_REPORT_EN_BC, 0);

	tmp = (rdev->did == RIO_DID_IDTCPS1848) ? 48 : 16;
	for (i = 0; i < tmp; i++) {
		rio_read_config_32(rdev, IDT_LANE_CTRL(i), &regval);
		rio_write_config_32(rdev, IDT_LANE_CTRL(i),
				    regval | IDT_LANE_CTRL_GENPW);
	}


	
	rio_write_config_32(rdev, IDT_AUX_PORT_ERR_CAP_EN, 0);

	
	rio_write_config_32(rdev, IDT_AUX_ERR_REPORT_EN, 0);

	
	rio_write_config_32(rdev, IDT_JTAG_CTRL, 0);

	
	rio_read_config_32(rdev, IDT_I2C_MCTRL, &regval);
	rio_write_config_32(rdev, IDT_I2C_MCTRL, regval & ~IDT_I2C_MCTRL_GENPW);


	
	rio_write_config_32(rdev, IDT_CFGBLK_ERR_CAPTURE_EN, 0);

	
	rio_read_config_32(rdev, IDT_CFGBLK_ERR_REPORT, &regval);
	rio_write_config_32(rdev, IDT_CFGBLK_ERR_REPORT,
			    regval & ~IDT_CFGBLK_ERR_REPORT_GENPW);

	
	rio_write_config_32(rdev,
		rdev->phys_efptr + RIO_PORT_LINKTO_CTL_CSR, 0x8e << 8);

	return 0;
}