From: Raju Lakkaraju <Raju.Lakkaraju@microchip•com>
To: <netdev@vger•kernel.org>
Cc: <davem@davemloft•net>, <kuba@kernel•org>,
<linux-kernel@vger•kernel.org>, <bryan.whitehead@microchip•com>,
<andrew@lunn•ch>, <linux@armlinux•org.uk>,
<UNGLinuxDriver@microchip•com>
Subject: [PATCH net-next 3/7] net: lan743x: Add SFP support check flag
Date: Fri, 21 Jul 2023 11:30:15 +0530 [thread overview]
Message-ID: <20230721060019.2737-4-Raju.Lakkaraju@microchip.com> (raw)
In-Reply-To: <20230721060019.2737-1-Raju.Lakkaraju@microchip.com>
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 <Raju.Lakkaraju@microchip•com>
---
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
next prev parent reply other threads:[~2023-07-21 6:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-21 6:00 [PATCH net-next 0/7] Add support to PHYLINK and SFP for PCI11x1x chips Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 1/7] net: lan743x: Create separate PCS power reset function Raju Lakkaraju
2023-07-22 20:24 ` Simon Horman
2023-07-21 6:00 ` [PATCH net-next 2/7] net: lan743x: Create separate Link Speed Duplex state function Raju Lakkaraju
2023-07-21 6:00 ` Raju Lakkaraju [this message]
2023-07-21 6:00 ` [PATCH net-next 4/7] net: lan743x: Add support to software-nodes for SFP and PHYLINK Raju Lakkaraju
2023-07-21 6:00 ` [PATCH net-next 5/7] net: lan743x: Add support to the Phylink framework Raju Lakkaraju
2023-07-21 8:49 ` Russell King (Oracle)
2023-07-21 11:57 ` Russell King (Oracle)
2023-07-24 8:24 ` Raju Lakkaraju
2023-08-01 14:36 ` Russell King (Oracle)
2023-07-22 20:27 ` Simon Horman
2023-07-21 6:00 ` [PATCH net-next 6/7] net: lan743x: Add support to ethtool phylink get and set settings Raju Lakkaraju
2023-07-21 8:53 ` Russell King (Oracle)
2023-07-21 6:00 ` [PATCH net-next 7/7] net: lan743x: Register the platform device for sfp pluggable module Raju Lakkaraju
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