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[5/5] edac: synopsys: Enable CE and UE interrupts for ZynqMP DDRC

Message ID 52a6d49d3daf5de37a41c4a3b2e84072dc84ca2e.1501848023.git.michal.simek@xilinx.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michal Simek Aug. 4, 2017, noon UTC 
From: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>

This patch enables Corrected and Uncorrected Error
interrupts for ZynqMP DDRC controller

Signed-off-by: Naga Sureshkumar Relli <nagasure@xilinx.com>
Reviewed-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 drivers/edac/synopsys_edac.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index 501ef447df37..6ce2f4c4cb3d 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c
@@ -165,6 +165,8 @@ 
 #define DDR_QOSUE_MASK		0x4
 #define	DDR_QOSCE_MASK		0x2
 #define	ECC_CE_UE_INTR_MASK	0x6
+#define DDR_QOS_IRQ_EN_OFST     0x20208
+#define DDR_QOS_IRQ_DB_OFST	0x2020C
 
 /* ECC Corrected Error Register Mask and Shifts*/
 #define ECC_CEADDR0_RW_MASK	0x3FFFF
@@ -1115,6 +1117,10 @@  static int synps_edac_mc_probe(struct platform_device *pdev)
 			edac_printk(KERN_ERR, EDAC_MC, "Failed to request Irq\n");
 			goto free_edac_mc;
 		}
+
+		/* Enable UE/CE Interrupts */
+		writel((DDR_QOSUE_MASK | DDR_QOSCE_MASK),
+			priv->baseaddr + DDR_QOS_IRQ_EN_OFST);
 	}
 
 	rc = edac_mc_add_mc(mci);
@@ -1157,6 +1163,10 @@  static int synps_edac_mc_remove(struct platform_device *pdev)
 	struct synps_edac_priv *priv;
 
 	priv = mci->pvt_info;
+	if (priv->p_data->quirks & DDR_ECC_INTR_SUPPORT)
+		/* Disable UE/CE Interrupts */
+		writel((DDR_QOSUE_MASK | DDR_QOSCE_MASK),
+			priv->baseaddr + DDR_QOS_IRQ_DB_OFST);
 	edac_mc_del_mc(&pdev->dev);
 	if (priv->p_data->quirks & DDR_ECC_DATA_POISON_SUPPORT)
 		synps_edac_remove_sysfs_attributes(mci);