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path: root/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-dev.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-dev.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
index ff7f5ab4d5fb..78a2063029da 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c
@@ -724,6 +724,65 @@ static void xgbe_enable_mac_interrupts(struct xgbe_prv_data *pdata)
XGMAC_IOWRITE_BITS(pdata, MMC_TIER, ALL_INTERRUPTS, 0xffffffff);
}
+static void xgbe_enable_ecc_interrupts(struct xgbe_prv_data *pdata)
+{
+ unsigned int ecc_isr, ecc_ier = 0;
+
+ if (!pdata->vdata->ecc_support)
+ return;
+
+ /* Clear all the interrupts which are set */
+ ecc_isr = XP_IOREAD(pdata, XP_ECC_ISR);
+ XP_IOWRITE(pdata, XP_ECC_ISR, ecc_isr);
+
+ /* Enable ECC interrupts */
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, TX_DED, 1);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, TX_SEC, 1);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, RX_DED, 1);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, RX_SEC, 1);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, DESC_DED, 1);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, DESC_SEC, 1);
+
+ XP_IOWRITE(pdata, XP_ECC_IER, ecc_ier);
+}
+
+static void xgbe_disable_ecc_ded(struct xgbe_prv_data *pdata)
+{
+ unsigned int ecc_ier;
+
+ ecc_ier = XP_IOREAD(pdata, XP_ECC_IER);
+
+ /* Disable ECC DED interrupts */
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, TX_DED, 0);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, RX_DED, 0);
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, DESC_DED, 0);
+
+ XP_IOWRITE(pdata, XP_ECC_IER, ecc_ier);
+}
+
+static void xgbe_disable_ecc_sec(struct xgbe_prv_data *pdata,
+ enum xgbe_ecc_sec sec)
+{
+ unsigned int ecc_ier;
+
+ ecc_ier = XP_IOREAD(pdata, XP_ECC_IER);
+
+ /* Disable ECC SEC interrupt */
+ switch (sec) {
+ case XGBE_ECC_SEC_TX:
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, TX_SEC, 0);
+ break;
+ case XGBE_ECC_SEC_RX:
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, RX_SEC, 0);
+ break;
+ case XGBE_ECC_SEC_DESC:
+ XP_SET_BITS(ecc_ier, XP_ECC_IER, DESC_SEC, 0);
+ break;
+ }
+
+ XP_IOWRITE(pdata, XP_ECC_IER, ecc_ier);
+}
+
static int xgbe_set_speed(struct xgbe_prv_data *pdata, int speed)
{
unsigned int ss;
@@ -3294,6 +3353,11 @@ static int xgbe_init(struct xgbe_prv_data *pdata)
xgbe_config_mmc(pdata);
xgbe_enable_mac_interrupts(pdata);
+ /*
+ * Initialize ECC related features
+ */
+ xgbe_enable_ecc_interrupts(pdata);
+
DBGPR("<--xgbe_init\n");
return 0;
@@ -3399,5 +3463,9 @@ void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if)
hw_if->set_rss_hash_key = xgbe_set_rss_hash_key;
hw_if->set_rss_lookup_table = xgbe_set_rss_lookup_table;
+ /* For ECC */
+ hw_if->disable_ecc_ded = xgbe_disable_ecc_ded;
+ hw_if->disable_ecc_sec = xgbe_disable_ecc_sec;
+
DBGPR("<--xgbe_init_function_ptrs\n");
}