[PATCH net-next 1/3] net: amd-xgbe: Add Support for Yellow Carp Ethernet device
STALE1751d
From: Raju Rangoju <hidden>
Date: 2021-12-17 11:16:41
Subsystem:
amd xgbe driver, networking drivers, the rest · Maintainers:
Raju Rangoju, Prashanth Kumar K R, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 2 in this series.
Revisions (2)
- v1 current
- v2 [diff vs current]
From: Raju Rangoju <Raju.Rangoju@amd.com> Yellow Carp Ethernet devices use the existing PCI ID but the window settings for the indirect PCS access have been altered. Add the check for Yellow Carp Ethernet devices to use the new register values. Co-developed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com> --- drivers/net/ethernet/amd/xgbe/xgbe-common.h | 2 ++ drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 12 ++++++++---- 2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index 533b8519ec35..0075939121d1 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/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
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
index 90cb55eb5466..39e606c4d653 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c@@ -274,10 +274,14 @@ static int xgbe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* Set the PCS indirect addressing definition registers */ rdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0)); - if (rdev && - (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; + if (rdev && rdev->vendor == PCI_VENDOR_ID_AMD) { + if (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->device == 0x14b5) { + pdata->xpcs_window_def_reg = PCS_V2_YC_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_V2_YC_WINDOW_SELECT; + } } else { pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF; pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
--
2.25.1