Thread (11 messages) 11 messages, 2 authors, 2022-01-31
STALE1590d

[PATCH net-next 1/5] net: lan743x: Add PCI1A011/PCI1A041 chip driver

From: Raju Lakkaraju <hidden>
Date: 2022-01-27 17:31:06
Subsystem: microchip lan743x ethernet driver, networking drivers, the rest · Maintainers: Bryan Whitehead, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

PCI1A011/PCI1A041 chip is enhancement of Ethernet LAN743x chip family.

Signed-off-by: Raju Lakkaraju <redacted>
---
 drivers/net/ethernet/microchip/lan743x_main.c |  6 ++++++
 drivers/net/ethernet/microchip/lan743x_main.h | 10 ++++++++--
 2 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index 8c6390d95158..49eeff8757e5 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -2758,6 +2758,10 @@ static int lan743x_mdiobus_init(struct lan743x_adapter *adapter)
 	if ((adapter->csr.id_rev & ID_REV_ID_MASK_) == ID_REV_ID_LAN7430_)
 		/* LAN7430 uses internal phy at address 1 */
 		adapter->mdiobus->phy_mask = ~(u32)BIT(1);
+	else if (((adapter->csr.id_rev & ID_REV_ID_MASK_) == ID_REV_ID_PCIA011_) ||
+		 ((adapter->csr.id_rev & ID_REV_ID_MASK_) == ID_REV_ID_PCIA041_))
+		/* PCIA011/PCIA041 uses internal phy at address 1 */
+		adapter->mdiobus->phy_mask = ~(u32)BIT(1);
 
 	/* register mdiobus */
 	ret = mdiobus_register(adapter->mdiobus);
@@ -3056,6 +3060,8 @@ static const struct dev_pm_ops lan743x_pm_ops = {
 static const struct pci_device_id lan743x_pcidev_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SMSC, PCI_DEVICE_ID_SMSC_LAN7430) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SMSC, PCI_DEVICE_ID_SMSC_LAN7431) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_SMSC, PCI_DEVICE_ID_SMSC_PCIA011) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_SMSC, PCI_DEVICE_ID_SMSC_PCIA041) },
 	{ 0, }
 };
 
diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index aaf7aaeaba0c..a9d722f719f9 100644
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -16,8 +16,12 @@
 #define ID_REV_ID_MASK_			(0xFFFF0000)
 #define ID_REV_ID_LAN7430_		(0x74300000)
 #define ID_REV_ID_LAN7431_		(0x74310000)
-#define ID_REV_IS_VALID_CHIP_ID_(id_rev)	\
-	(((id_rev) & 0xFFF00000) == 0x74300000)
+#define ID_REV_ID_PCIA011_		(0xA0110000)	// PCI11010
+#define ID_REV_ID_PCIA041_		(0xA0410000)	// PCI11414
+#define ID_REV_IS_VALID_CHIP_ID_(id_rev)	    \
+	((((id_rev) & 0xFFF00000) == 0x74300000) || \
+	 (((id_rev) & 0xFFF00000) == 0xA0100000) || \
+	 (((id_rev) & 0xFFF00000) == 0xA0400000))
 #define ID_REV_CHIP_REV_MASK_		(0x0000FFFF)
 #define ID_REV_CHIP_REV_A0_		(0x00000000)
 #define ID_REV_CHIP_REV_B0_		(0x00000010)
@@ -559,6 +563,8 @@ struct lan743x_adapter;
 #define PCI_VENDOR_ID_SMSC		PCI_VENDOR_ID_EFAR
 #define PCI_DEVICE_ID_SMSC_LAN7430	(0x7430)
 #define PCI_DEVICE_ID_SMSC_LAN7431	(0x7431)
+#define PCI_DEVICE_ID_SMSC_PCIA011	(0xA011)
+#define PCI_DEVICE_ID_SMSC_PCIA041	(0xA041)
 
 #define PCI_CONFIG_LENGTH		(0x1000)
 
-- 
2.25.1
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