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net: amd-xgbe: Add Support for Yellow Carp Ethernet device 

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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Raju Rangoju 2021-12-20 19:24:26 +05:30 committed by Jakub Kicinski
parent dbcefdeb2a
commit dbb6c58b5a
2 changed files with 6 additions and 0 deletions
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2
drivers/net/ethernet/amd/xgbe/xgbe-common.h
View File

@ -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

4
drivers/net/ethernet/amd/xgbe/xgbe-pci.c
View File

@ -278,6 +278,10 @@ 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;
} else {
pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;