PCI11x1x chip support the Pluggable module (SFP) depend on Board requirement.
SFP support information programmed in EEPROM.
Flag "is_sfp_support_en" update on "STRAP" register.
Signed-off-by: Raju Lakkaraju <[email protected]>
---
drivers/net/ethernet/microchip/lan743x_main.c | 10 ++++++++++
drivers/net/ethernet/microchip/lan743x_main.h | 3 +++
2 files changed, 13 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index e8dd272a591a..822576b088a9 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -52,6 +52,11 @@ static void pci11x1x_strap_get_status(struct lan743x_adapter *adapter)
adapter->is_sgmii_en = true;
else
adapter->is_sgmii_en = false;
+
+ if ((strap & STRAP_SFP_USE_EN_) && (strap & STRAP_SFP_EN_))
+ adapter->is_sfp_support_en = true;
+ else
+ adapter->is_sfp_support_en = false;
} else {
chip_rev = lan743x_csr_read(adapter, FPGA_REV);
if (chip_rev) {
@@ -63,8 +68,12 @@ static void pci11x1x_strap_get_status(struct lan743x_adapter *adapter)
adapter->is_sgmii_en = false;
}
}
+
netif_dbg(adapter, drv, adapter->netdev,
"SGMII I/F %sable\n", adapter->is_sgmii_en ? "En" : "Dis");
+ netif_dbg(adapter, drv, adapter->netdev,
+ "SFP support %sable\n", adapter->is_sfp_support_en ?
+ "En" : "Dis");
}
static bool is_pci11x1x_chip(struct lan743x_adapter *adapter)
@@ -3408,6 +3417,7 @@ static int lan743x_pcidev_probe(struct pci_dev *pdev,
NETIF_MSG_LINK | NETIF_MSG_IFUP |
NETIF_MSG_IFDOWN | NETIF_MSG_TX_QUEUED;
netdev->max_mtu = LAN743X_MAX_FRAME_SIZE;
+ adapter->is_sfp_support_en = false;
of_get_mac_address(pdev->dev.of_node, adapter->mac_address);
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index 0cd3fe71dfad..3889bb20a524 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -34,6 +34,8 @@
#define STRAP_READ (0x0C)
#define STRAP_READ_USE_SGMII_EN_ BIT(22)
+#define STRAP_SFP_USE_EN_ BIT(31)
+#define STRAP_SFP_EN_ BIT(15)
#define STRAP_READ_SGMII_EN_ BIT(6)
#define STRAP_READ_SGMII_REFCLK_ BIT(5)
#define STRAP_READ_SGMII_2_5G_ BIT(4)
@@ -1038,6 +1040,7 @@ struct lan743x_adapter {
u8 max_tx_channels;
u8 used_tx_channels;
u8 max_vector_count;
+ bool is_sfp_support_en;
#define LAN743X_ADAPTER_FLAG_OTP BIT(0)
u32 flags;
--
2.25.1