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// 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;
}
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