Merge branch 'net-amd-xgbe-add-support-for-yellow-carp-ethernet-device'

Raju Rangoju says:

====================
net: amd-xgbe: Add support for Yellow Carp Ethernet device

Add support for newer version of Hardware, the Yellow Carp Ethernet device
====================

Link: https://lore.kernel.org/r/20211220135428.1123575-1-rrangoju@amd.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/amd/xgbe/xgbe-common.h

@@ -898,6 +898,8 @@
 #define PCS_V2_WINDOW_SELECT		0x9064
 #define PCS_V2_RV_WINDOW_DEF		0x1060
 #define PCS_V2_RV_WINDOW_SELECT		0x1064
+#define PCS_V2_YC_WINDOW_DEF		0x18060
+#define PCS_V2_YC_WINDOW_SELECT		0x18064
 
 /* PCS register entry bit positions and sizes */
 #define PCS_V2_WINDOW_DEF_OFFSET_INDEX	6
@@ -1030,8 +1032,8 @@
 #define XP_PROP_0_PORT_ID_WIDTH			8
 #define XP_PROP_0_PORT_MODE_INDEX		8
 #define XP_PROP_0_PORT_MODE_WIDTH		4
-#define XP_PROP_0_PORT_SPEEDS_INDEX		23
-#define XP_PROP_0_PORT_SPEEDS_WIDTH		4
+#define XP_PROP_0_PORT_SPEEDS_INDEX		22
+#define XP_PROP_0_PORT_SPEEDS_WIDTH		5
 #define XP_PROP_1_MAX_RX_DMA_INDEX		24
 #define XP_PROP_1_MAX_RX_DMA_WIDTH		5
 #define XP_PROP_1_MAX_RX_QUEUES_INDEX		8

drivers/net/ethernet/amd/xgbe/xgbe-pci.c

@@ -278,6 +278,13 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	    (rdev->vendor == PCI_VENDOR_ID_AMD) && (rdev->device == 0x15d0)) {
 		pdata->xpcs_window_def_reg = PCS_V2_RV_WINDOW_DEF;
 		pdata->xpcs_window_sel_reg = PCS_V2_RV_WINDOW_SELECT;
+	} else if (rdev && (rdev->vendor == PCI_VENDOR_ID_AMD) &&
+		   (rdev->device == 0x14b5)) {
+		pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF;
+		pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT;
+
+		/* Yellow Carp devices do not need cdr workaround */
+		pdata->vdata->an_cdr_workaround = 0;
 	} else {
 		pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
 		pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
@@ -460,7 +467,7 @@ static int __maybe_unused xgbe_pci_resume(struct device *dev)
 	return ret;
 }
 
-static const struct xgbe_version_data xgbe_v2a = {
+static struct xgbe_version_data xgbe_v2a = {
 	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,
 	.xpcs_access			= XGBE_XPCS_ACCESS_V2,
 	.mmc_64bit			= 1,
@@ -475,7 +482,7 @@ static const struct xgbe_version_data xgbe_v2a = {
 	.an_cdr_workaround		= 1,
 };
 
-static const struct xgbe_version_data xgbe_v2b = {
+static struct xgbe_version_data xgbe_v2b = {
 	.init_function_ptrs_phy_impl	= xgbe_init_function_ptrs_phy_v2,
 	.xpcs_access			= XGBE_XPCS_ACCESS_V2,
 	.mmc_64bit			= 1,

drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c

@@ -124,10 +124,10 @@
 #include "xgbe.h"
 #include "xgbe-common.h"
 
-#define XGBE_PHY_PORT_SPEED_100		BIT(0)
-#define XGBE_PHY_PORT_SPEED_1000	BIT(1)
-#define XGBE_PHY_PORT_SPEED_2500	BIT(2)
-#define XGBE_PHY_PORT_SPEED_10000	BIT(3)
+#define XGBE_PHY_PORT_SPEED_100		BIT(1)
+#define XGBE_PHY_PORT_SPEED_1000	BIT(2)
+#define XGBE_PHY_PORT_SPEED_2500	BIT(3)
+#define XGBE_PHY_PORT_SPEED_10000	BIT(4)
 
 #define XGBE_MUTEX_RELEASE		0x80000000