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From 3051c2863b2c4b51984dfadab5d0bc993ae162d8 Mon Sep 17 00:00:00 2001
From: Raju Rangoju <Raju.Rangoju@amd.com>
Date: Mon, 20 Dec 2021 19:24:26 +0530
Subject: [PATCH 27/48] net: amd-xgbe: Add Support for Yellow Carp Ethernet
device
commit dbb6c58b5a61d0c26a3da65ebb728727c305c3a1 upstream
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>
Signed-off-by: Zhaolong Zhang <zhaolong.zhang@windriver.com>
---
drivers/net/ethernet/amd/xgbe/xgbe-common.h | 2 ++
drivers/net/ethernet/amd/xgbe/xgbe-pci.c | 4 ++++
2 files changed, 6 insertions(+)
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 014513ce00a1..6ed1eceae348 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c
@@ -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;
--
2.27.0
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