1 files changed, 86 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c
new file mode 100644
index 000000000000..a679db3f2e41
--- /dev/null
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
+
+#include <linux/string.h>
+#include <linux/iopoll.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include "../libwx/wx_type.h"
+#include "../libwx/wx_hw.h"
+#include "txgbe_type.h"
+#include "txgbe_hw.h"
+#include "txgbe.h"
+
+/**
+ *  txgbe_init_thermal_sensor_thresh - Inits thermal sensor thresholds
+ *  @hw: pointer to hardware structure
+ *
+ *  Inits the thermal sensor thresholds according to the NVM map
+ *  and save off the threshold and location values into mac.thermal_sensor_data
+ **/
+static void txgbe_init_thermal_sensor_thresh(struct txgbe_hw *hw)
+{
+	struct wx_hw *wxhw = &hw->wxhw;
+	struct wx_thermal_sensor_data *data = &wxhw->mac.sensor;
+
+	memset(data, 0, sizeof(struct wx_thermal_sensor_data));
+
+	/* Only support thermal sensors attached to SP physical port 0 */
+	if (wxhw->bus.func)
+		return;
+
+	wr32(wxhw, TXGBE_TS_CTL, TXGBE_TS_CTL_EVAL_MD);
+
+	wr32(wxhw, WX_TS_INT_EN,
+	     WX_TS_INT_EN_ALARM_INT_EN | WX_TS_INT_EN_DALARM_INT_EN);
+	wr32(wxhw, WX_TS_EN, WX_TS_EN_ENA);
+
+	data->alarm_thresh = 100;
+	wr32(wxhw, WX_TS_ALARM_THRE, 677);
+	data->dalarm_thresh = 90;
+	wr32(wxhw, WX_TS_DALARM_THRE, 614);
+}
+
+static void txgbe_reset_misc(struct txgbe_hw *hw)
+{
+	struct wx_hw *wxhw = &hw->wxhw;
+
+	wx_reset_misc(wxhw);
+	txgbe_init_thermal_sensor_thresh(hw);
+}
+
+/**
+ *  txgbe_reset_hw - Perform hardware reset
+ *  @hw: pointer to hardware structure
+ *
+ *  Resets the hardware by resetting the transmit and receive units, masks
+ *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
+ *  reset.
+ **/
+int txgbe_reset_hw(struct txgbe_hw *hw)
+{
+	struct wx_hw *wxhw = &hw->wxhw;
+	u32 reset = 0;
+	int status;
+
+	/* Call adapter stop to disable tx/rx and clear interrupts */
+	status = wx_stop_adapter(wxhw);
+	if (status != 0)
+		return status;
+
+	reset = WX_MIS_RST_LAN_RST(wxhw->bus.func);
+	wr32(wxhw, WX_MIS_RST, reset | rd32(wxhw, WX_MIS_RST));
+
+	WX_WRITE_FLUSH(wxhw);
+	usleep_range(10, 100);
+
+	status = wx_check_flash_load(wxhw, TXGBE_SPI_ILDR_STATUS_LAN_SW_RST(wxhw->bus.func));
+	if (status != 0)
+		return status;
+
+	txgbe_reset_misc(hw);
+	pci_set_master(wxhw->pdev);
+
+	return 0;
+}