Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 777 insertions, 0 deletions

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
new file mode 100644
index 000000000..8fd167501
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -0,0 +1,777 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+// Copyright (c) 2017 Synopsys, Inc. and/or its affiliates.
+// stmmac Support for 5.xx Ethernet QoS cores
+
+#include <linux/bitops.h>
+#include <linux/iopoll.h>
+#include "common.h"
+#include "dwmac4.h"
+#include "dwmac5.h"
+#include "stmmac.h"
+#include "stmmac_ptp.h"
+
+struct dwmac5_error_desc {
+	bool valid;
+	const char *desc;
+	const char *detailed_desc;
+};
+
+#define STAT_OFF(field)		offsetof(struct stmmac_safety_stats, field)
+
+static void dwmac5_log_error(struct net_device *ndev, u32 value, bool corr,
+		const char *module_name, const struct dwmac5_error_desc *desc,
+		unsigned long field_offset, struct stmmac_safety_stats *stats)
+{
+	unsigned long loc, mask;
+	u8 *bptr = (u8 *)stats;
+	unsigned long *ptr;
+
+	ptr = (unsigned long *)(bptr + field_offset);
+
+	mask = value;
+	for_each_set_bit(loc, &mask, 32) {
+		netdev_err(ndev, "Found %s error in %s: '%s: %s'\n", corr ?
+				"correctable" : "uncorrectable", module_name,
+				desc[loc].desc, desc[loc].detailed_desc);
+
+		/* Update counters */
+		ptr[loc]++;
+	}
+}
+
+static const struct dwmac5_error_desc dwmac5_mac_errors[32]= {
+	{ true, "ATPES", "Application Transmit Interface Parity Check Error" },
+	{ true, "TPES", "TSO Data Path Parity Check Error" },
+	{ true, "RDPES", "Read Descriptor Parity Check Error" },
+	{ true, "MPES", "MTL Data Path Parity Check Error" },
+	{ true, "MTSPES", "MTL TX Status Data Path Parity Check Error" },
+	{ true, "ARPES", "Application Receive Interface Data Path Parity Check Error" },
+	{ true, "CWPES", "CSR Write Data Path Parity Check Error" },
+	{ true, "ASRPES", "AXI Slave Read Data Path Parity Check Error" },
+	{ true, "TTES", "TX FSM Timeout Error" },
+	{ true, "RTES", "RX FSM Timeout Error" },
+	{ true, "CTES", "CSR FSM Timeout Error" },
+	{ true, "ATES", "APP FSM Timeout Error" },
+	{ true, "PTES", "PTP FSM Timeout Error" },
+	{ true, "T125ES", "TX125 FSM Timeout Error" },
+	{ true, "R125ES", "RX125 FSM Timeout Error" },
+	{ true, "RVCTES", "REV MDC FSM Timeout Error" },
+	{ true, "MSTTES", "Master Read/Write Timeout Error" },
+	{ true, "SLVTES", "Slave Read/Write Timeout Error" },
+	{ true, "ATITES", "Application Timeout on ATI Interface Error" },
+	{ true, "ARITES", "Application Timeout on ARI Interface Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 20 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 21 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 22 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 23 */
+	{ true, "FSMPES", "FSM State Parity Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 25 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 26 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 27 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 28 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 29 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 30 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
+};
+
+static void dwmac5_handle_mac_err(struct net_device *ndev,
+		void __iomem *ioaddr, bool correctable,
+		struct stmmac_safety_stats *stats)
+{
+	u32 value;
+
+	value = readl(ioaddr + MAC_DPP_FSM_INT_STATUS);
+	writel(value, ioaddr + MAC_DPP_FSM_INT_STATUS);
+
+	dwmac5_log_error(ndev, value, correctable, "MAC", dwmac5_mac_errors,
+			STAT_OFF(mac_errors), stats);
+}
+
+static const struct dwmac5_error_desc dwmac5_mtl_errors[32]= {
+	{ true, "TXCES", "MTL TX Memory Error" },
+	{ true, "TXAMS", "MTL TX Memory Address Mismatch Error" },
+	{ true, "TXUES", "MTL TX Memory Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 3 */
+	{ true, "RXCES", "MTL RX Memory Error" },
+	{ true, "RXAMS", "MTL RX Memory Address Mismatch Error" },
+	{ true, "RXUES", "MTL RX Memory Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 7 */
+	{ true, "ECES", "MTL EST Memory Error" },
+	{ true, "EAMS", "MTL EST Memory Address Mismatch Error" },
+	{ true, "EUES", "MTL EST Memory Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 11 */
+	{ true, "RPCES", "MTL RX Parser Memory Error" },
+	{ true, "RPAMS", "MTL RX Parser Memory Address Mismatch Error" },
+	{ true, "RPUES", "MTL RX Parser Memory Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 15 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 16 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 17 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 18 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 19 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 20 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 21 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 22 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 23 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 24 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 25 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 26 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 27 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 28 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 29 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 30 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
+};
+
+static void dwmac5_handle_mtl_err(struct net_device *ndev,
+		void __iomem *ioaddr, bool correctable,
+		struct stmmac_safety_stats *stats)
+{
+	u32 value;
+
+	value = readl(ioaddr + MTL_ECC_INT_STATUS);
+	writel(value, ioaddr + MTL_ECC_INT_STATUS);
+
+	dwmac5_log_error(ndev, value, correctable, "MTL", dwmac5_mtl_errors,
+			STAT_OFF(mtl_errors), stats);
+}
+
+static const struct dwmac5_error_desc dwmac5_dma_errors[32]= {
+	{ true, "TCES", "DMA TSO Memory Error" },
+	{ true, "TAMS", "DMA TSO Memory Address Mismatch Error" },
+	{ true, "TUES", "DMA TSO Memory Error" },
+	{ false, "UNKNOWN", "Unknown Error" }, /* 3 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 4 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 5 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 6 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 7 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 8 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 9 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 10 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 11 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 12 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 13 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 14 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 15 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 16 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 17 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 18 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 19 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 20 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 21 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 22 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 23 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 24 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 25 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 26 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 27 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 28 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 29 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 30 */
+	{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
+};
+
+static void dwmac5_handle_dma_err(struct net_device *ndev,
+		void __iomem *ioaddr, bool correctable,
+		struct stmmac_safety_stats *stats)
+{
+	u32 value;
+
+	value = readl(ioaddr + DMA_ECC_INT_STATUS);
+	writel(value, ioaddr + DMA_ECC_INT_STATUS);
+
+	dwmac5_log_error(ndev, value, correctable, "DMA", dwmac5_dma_errors,
+			STAT_OFF(dma_errors), stats);
+}
+
+int dwmac5_safety_feat_config(void __iomem *ioaddr, unsigned int asp,
+			      struct stmmac_safety_feature_cfg *safety_feat_cfg)
+{
+	struct stmmac_safety_feature_cfg all_safety_feats = {
+		.tsoee = 1,
+		.mrxpee = 1,
+		.mestee = 1,
+		.mrxee = 1,
+		.mtxee = 1,
+		.epsi = 1,
+		.edpp = 1,
+		.prtyen = 1,
+		.tmouten = 1,
+	};
+	u32 value;
+
+	if (!asp)
+		return -EINVAL;
+
+	if (!safety_feat_cfg)
+		safety_feat_cfg = &all_safety_feats;
+
+	/* 1. Enable Safety Features */
+	value = readl(ioaddr + MTL_ECC_CONTROL);
+	value |= MEEAO; /* MTL ECC Error Addr Status Override */
+	if (safety_feat_cfg->tsoee)
+		value |= TSOEE; /* TSO ECC */
+	if (safety_feat_cfg->mrxpee)
+		value |= MRXPEE; /* MTL RX Parser ECC */
+	if (safety_feat_cfg->mestee)
+		value |= MESTEE; /* MTL EST ECC */
+	if (safety_feat_cfg->mrxee)
+		value |= MRXEE; /* MTL RX FIFO ECC */
+	if (safety_feat_cfg->mtxee)
+		value |= MTXEE; /* MTL TX FIFO ECC */
+	writel(value, ioaddr + MTL_ECC_CONTROL);
+
+	/* 2. Enable MTL Safety Interrupts */
+	value = readl(ioaddr + MTL_ECC_INT_ENABLE);
+	value |= RPCEIE; /* RX Parser Memory Correctable Error */
+	value |= ECEIE; /* EST Memory Correctable Error */
+	value |= RXCEIE; /* RX Memory Correctable Error */
+	value |= TXCEIE; /* TX Memory Correctable Error */
+	writel(value, ioaddr + MTL_ECC_INT_ENABLE);
+
+	/* 3. Enable DMA Safety Interrupts */
+	value = readl(ioaddr + DMA_ECC_INT_ENABLE);
+	value |= TCEIE; /* TSO Memory Correctable Error */
+	writel(value, ioaddr + DMA_ECC_INT_ENABLE);
+
+	/* Only ECC Protection for External Memory feature is selected */
+	if (asp <= 0x1)
+		return 0;
+
+	/* 5. Enable Parity and Timeout for FSM */
+	value = readl(ioaddr + MAC_FSM_CONTROL);
+	if (safety_feat_cfg->prtyen)
+		value |= PRTYEN; /* FSM Parity Feature */
+	if (safety_feat_cfg->tmouten)
+		value |= TMOUTEN; /* FSM Timeout Feature */
+	writel(value, ioaddr + MAC_FSM_CONTROL);
+
+	/* 4. Enable Data Parity Protection */
+	value = readl(ioaddr + MTL_DPP_CONTROL);
+	if (safety_feat_cfg->edpp)
+		value |= EDPP;
+	writel(value, ioaddr + MTL_DPP_CONTROL);
+
+	/*
+	 * All the Automotive Safety features are selected without the "Parity
+	 * Port Enable for external interface" feature.
+	 */
+	if (asp <= 0x2)
+		return 0;
+
+	if (safety_feat_cfg->epsi)
+		value |= EPSI;
+	writel(value, ioaddr + MTL_DPP_CONTROL);
+	return 0;
+}
+
+int dwmac5_safety_feat_irq_status(struct net_device *ndev,
+		void __iomem *ioaddr, unsigned int asp,
+		struct stmmac_safety_stats *stats)
+{
+	bool err, corr;
+	u32 mtl, dma;
+	int ret = 0;
+
+	if (!asp)
+		return -EINVAL;
+
+	mtl = readl(ioaddr + MTL_SAFETY_INT_STATUS);
+	dma = readl(ioaddr + DMA_SAFETY_INT_STATUS);
+
+	err = (mtl & MCSIS) || (dma & MCSIS);
+	corr = false;
+	if (err) {
+		dwmac5_handle_mac_err(ndev, ioaddr, corr, stats);
+		ret |= !corr;
+	}
+
+	err = (mtl & (MEUIS | MECIS)) || (dma & (MSUIS | MSCIS));
+	corr = (mtl & MECIS) || (dma & MSCIS);
+	if (err) {
+		dwmac5_handle_mtl_err(ndev, ioaddr, corr, stats);
+		ret |= !corr;
+	}
+
+	err = dma & (DEUIS | DECIS);
+	corr = dma & DECIS;
+	if (err) {
+		dwmac5_handle_dma_err(ndev, ioaddr, corr, stats);
+		ret |= !corr;
+	}
+
+	return ret;
+}
+
+static const struct dwmac5_error {
+	const struct dwmac5_error_desc *desc;
+} dwmac5_all_errors[] = {
+	{ dwmac5_mac_errors },
+	{ dwmac5_mtl_errors },
+	{ dwmac5_dma_errors },
+};
+
+int dwmac5_safety_feat_dump(struct stmmac_safety_stats *stats,
+			int index, unsigned long *count, const char **desc)
+{
+	int module = index / 32, offset = index % 32;
+	unsigned long *ptr = (unsigned long *)stats;
+
+	if (module >= ARRAY_SIZE(dwmac5_all_errors))
+		return -EINVAL;
+	if (!dwmac5_all_errors[module].desc[offset].valid)
+		return -EINVAL;
+	if (count)
+		*count = *(ptr + index);
+	if (desc)
+		*desc = dwmac5_all_errors[module].desc[offset].desc;
+	return 0;
+}
+
+static int dwmac5_rxp_disable(void __iomem *ioaddr)
+{
+	u32 val;
+
+	val = readl(ioaddr + MTL_OPERATION_MODE);
+	val &= ~MTL_FRPE;
+	writel(val, ioaddr + MTL_OPERATION_MODE);
+
+	return readl_poll_timeout(ioaddr + MTL_RXP_CONTROL_STATUS, val,
+			val & RXPI, 1, 10000);
+}
+
+static void dwmac5_rxp_enable(void __iomem *ioaddr)
+{
+	u32 val;
+
+	val = readl(ioaddr + MTL_OPERATION_MODE);
+	val |= MTL_FRPE;
+	writel(val, ioaddr + MTL_OPERATION_MODE);
+}
+
+static int dwmac5_rxp_update_single_entry(void __iomem *ioaddr,
+					  struct stmmac_tc_entry *entry,
+					  int pos)
+{
+	int ret, i;
+
+	for (i = 0; i < (sizeof(entry->val) / sizeof(u32)); i++) {
+		int real_pos = pos * (sizeof(entry->val) / sizeof(u32)) + i;
+		u32 val;
+
+		/* Wait for ready */
+		ret = readl_poll_timeout(ioaddr + MTL_RXP_IACC_CTRL_STATUS,
+				val, !(val & STARTBUSY), 1, 10000);
+		if (ret)
+			return ret;
+
+		/* Write data */
+		val = *((u32 *)&entry->val + i);
+		writel(val, ioaddr + MTL_RXP_IACC_DATA);
+
+		/* Write pos */
+		val = real_pos & ADDR;
+		writel(val, ioaddr + MTL_RXP_IACC_CTRL_STATUS);
+
+		/* Write OP */
+		val |= WRRDN;
+		writel(val, ioaddr + MTL_RXP_IACC_CTRL_STATUS);
+
+		/* Start Write */
+		val |= STARTBUSY;
+		writel(val, ioaddr + MTL_RXP_IACC_CTRL_STATUS);
+
+		/* Wait for done */
+		ret = readl_poll_timeout(ioaddr + MTL_RXP_IACC_CTRL_STATUS,
+				val, !(val & STARTBUSY), 1, 10000);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static struct stmmac_tc_entry *
+dwmac5_rxp_get_next_entry(struct stmmac_tc_entry *entries, unsigned int count,
+			  u32 curr_prio)
+{
+	struct stmmac_tc_entry *entry;
+	u32 min_prio = ~0x0;
+	int i, min_prio_idx;
+	bool found = false;
+
+	for (i = count - 1; i >= 0; i--) {
+		entry = &entries[i];
+
+		/* Do not update unused entries */
+		if (!entry->in_use)
+			continue;
+		/* Do not update already updated entries (i.e. fragments) */
+		if (entry->in_hw)
+			continue;
+		/* Let last entry be updated last */
+		if (entry->is_last)
+			continue;
+		/* Do not return fragments */
+		if (entry->is_frag)
+			continue;
+		/* Check if we already checked this prio */
+		if (entry->prio < curr_prio)
+			continue;
+		/* Check if this is the minimum prio */
+		if (entry->prio < min_prio) {
+			min_prio = entry->prio;
+			min_prio_idx = i;
+			found = true;
+		}
+	}
+
+	if (found)
+		return &entries[min_prio_idx];
+	return NULL;
+}
+
+int dwmac5_rxp_config(void __iomem *ioaddr, struct stmmac_tc_entry *entries,
+		      unsigned int count)
+{
+	struct stmmac_tc_entry *entry, *frag;
+	int i, ret, nve = 0;
+	u32 curr_prio = 0;
+	u32 old_val, val;
+
+	/* Force disable RX */
+	old_val = readl(ioaddr + GMAC_CONFIG);
+	val = old_val & ~GMAC_CONFIG_RE;
+	writel(val, ioaddr + GMAC_CONFIG);
+
+	/* Disable RX Parser */
+	ret = dwmac5_rxp_disable(ioaddr);
+	if (ret)
+		goto re_enable;
+
+	/* Set all entries as NOT in HW */
+	for (i = 0; i < count; i++) {
+		entry = &entries[i];
+		entry->in_hw = false;
+	}
+
+	/* Update entries by reverse order */
+	while (1) {
+		entry = dwmac5_rxp_get_next_entry(entries, count, curr_prio);
+		if (!entry)
+			break;
+
+		curr_prio = entry->prio;
+		frag = entry->frag_ptr;
+
+		/* Set special fragment requirements */
+		if (frag) {
+			entry->val.af = 0;
+			entry->val.rf = 0;
+			entry->val.nc = 1;
+			entry->val.ok_index = nve + 2;
+		}
+
+		ret = dwmac5_rxp_update_single_entry(ioaddr, entry, nve);
+		if (ret)
+			goto re_enable;
+
+		entry->table_pos = nve++;
+		entry->in_hw = true;
+
+		if (frag && !frag->in_hw) {
+			ret = dwmac5_rxp_update_single_entry(ioaddr, frag, nve);
+			if (ret)
+				goto re_enable;
+			frag->table_pos = nve++;
+			frag->in_hw = true;
+		}
+	}
+
+	if (!nve)
+		goto re_enable;
+
+	/* Update all pass entry */
+	for (i = 0; i < count; i++) {
+		entry = &entries[i];
+		if (!entry->is_last)
+			continue;
+
+		ret = dwmac5_rxp_update_single_entry(ioaddr, entry, nve);
+		if (ret)
+			goto re_enable;
+
+		entry->table_pos = nve++;
+	}
+
+	/* Assume n. of parsable entries == n. of valid entries */
+	val = (nve << 16) & NPE;
+	val |= nve & NVE;
+	writel(val, ioaddr + MTL_RXP_CONTROL_STATUS);
+
+	/* Enable RX Parser */
+	dwmac5_rxp_enable(ioaddr);
+
+re_enable:
+	/* Re-enable RX */
+	writel(old_val, ioaddr + GMAC_CONFIG);
+	return ret;
+}
+
+int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
+			   struct stmmac_pps_cfg *cfg, bool enable,
+			   u32 sub_second_inc, u32 systime_flags)
+{
+	u32 tnsec = readl(ioaddr + MAC_PPSx_TARGET_TIME_NSEC(index));
+	u32 val = readl(ioaddr + MAC_PPS_CONTROL);
+	u64 period;
+
+	if (!cfg->available)
+		return -EINVAL;
+	if (tnsec & TRGTBUSY0)
+		return -EBUSY;
+	if (!sub_second_inc || !systime_flags)
+		return -EINVAL;
+
+	val &= ~PPSx_MASK(index);
+
+	if (!enable) {
+		val |= PPSCMDx(index, 0x5);
+		val |= PPSEN0;
+		writel(val, ioaddr + MAC_PPS_CONTROL);
+		return 0;
+	}
+
+	val |= TRGTMODSELx(index, 0x2);
+	val |= PPSEN0;
+	writel(val, ioaddr + MAC_PPS_CONTROL);
+
+	writel(cfg->start.tv_sec, ioaddr + MAC_PPSx_TARGET_TIME_SEC(index));
+
+	if (!(systime_flags & PTP_TCR_TSCTRLSSR))
+		cfg->start.tv_nsec = (cfg->start.tv_nsec * 1000) / 465;
+	writel(cfg->start.tv_nsec, ioaddr + MAC_PPSx_TARGET_TIME_NSEC(index));
+
+	period = cfg->period.tv_sec * 1000000000;
+	period += cfg->period.tv_nsec;
+
+	do_div(period, sub_second_inc);
+
+	if (period <= 1)
+		return -EINVAL;
+
+	writel(period - 1, ioaddr + MAC_PPSx_INTERVAL(index));
+
+	period >>= 1;
+	if (period <= 1)
+		return -EINVAL;
+
+	writel(period - 1, ioaddr + MAC_PPSx_WIDTH(index));
+
+	/* Finally, activate it */
+	val |= PPSCMDx(index, 0x2);
+	writel(val, ioaddr + MAC_PPS_CONTROL);
+	return 0;
+}
+
+static int dwmac5_est_write(void __iomem *ioaddr, u32 reg, u32 val, bool gcl)
+{
+	u32 ctrl;
+
+	writel(val, ioaddr + MTL_EST_GCL_DATA);
+
+	ctrl = (reg << ADDR_SHIFT);
+	ctrl |= gcl ? 0 : GCRR;
+
+	writel(ctrl, ioaddr + MTL_EST_GCL_CONTROL);
+
+	ctrl |= SRWO;
+	writel(ctrl, ioaddr + MTL_EST_GCL_CONTROL);
+
+	return readl_poll_timeout(ioaddr + MTL_EST_GCL_CONTROL,
+				  ctrl, !(ctrl & SRWO), 100, 5000);
+}
+
+int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg,
+			 unsigned int ptp_rate)
+{
+	int i, ret = 0x0;
+	u32 ctrl;
+
+	ret |= dwmac5_est_write(ioaddr, BTR_LOW, cfg->btr[0], false);
+	ret |= dwmac5_est_write(ioaddr, BTR_HIGH, cfg->btr[1], false);
+	ret |= dwmac5_est_write(ioaddr, TER, cfg->ter, false);
+	ret |= dwmac5_est_write(ioaddr, LLR, cfg->gcl_size, false);
+	ret |= dwmac5_est_write(ioaddr, CTR_LOW, cfg->ctr[0], false);
+	ret |= dwmac5_est_write(ioaddr, CTR_HIGH, cfg->ctr[1], false);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < cfg->gcl_size; i++) {
+		ret = dwmac5_est_write(ioaddr, i, cfg->gcl[i], true);
+		if (ret)
+			return ret;
+	}
+
+	ctrl = readl(ioaddr + MTL_EST_CONTROL);
+	ctrl &= ~PTOV;
+	ctrl |= ((1000000000 / ptp_rate) * 6) << PTOV_SHIFT;
+	if (cfg->enable)
+		ctrl |= EEST | SSWL;
+	else
+		ctrl &= ~EEST;
+
+	writel(ctrl, ioaddr + MTL_EST_CONTROL);
+
+	/* Configure EST interrupt */
+	if (cfg->enable)
+		ctrl = (IECGCE | IEHS | IEHF | IEBE | IECC);
+	else
+		ctrl = 0;
+
+	writel(ctrl, ioaddr + MTL_EST_INT_EN);
+
+	return 0;
+}
+
+void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev,
+			  struct stmmac_extra_stats *x, u32 txqcnt)
+{
+	u32 status, value, feqn, hbfq, hbfs, btrl;
+	u32 txqcnt_mask = (1 << txqcnt) - 1;
+
+	status = readl(ioaddr + MTL_EST_STATUS);
+
+	value = (CGCE | HLBS | HLBF | BTRE | SWLC);
+
+	/* Return if there is no error */
+	if (!(status & value))
+		return;
+
+	if (status & CGCE) {
+		/* Clear Interrupt */
+		writel(CGCE, ioaddr + MTL_EST_STATUS);
+
+		x->mtl_est_cgce++;
+	}
+
+	if (status & HLBS) {
+		value = readl(ioaddr + MTL_EST_SCH_ERR);
+		value &= txqcnt_mask;
+
+		x->mtl_est_hlbs++;
+
+		/* Clear Interrupt */
+		writel(value, ioaddr + MTL_EST_SCH_ERR);
+
+		/* Collecting info to shows all the queues that has HLBS
+		 * issue. The only way to clear this is to clear the
+		 * statistic
+		 */
+		if (net_ratelimit())
+			netdev_err(dev, "EST: HLB(sched) Queue 0x%x\n", value);
+	}
+
+	if (status & HLBF) {
+		value = readl(ioaddr + MTL_EST_FRM_SZ_ERR);
+		feqn = value & txqcnt_mask;
+
+		value = readl(ioaddr + MTL_EST_FRM_SZ_CAP);
+		hbfq = (value & SZ_CAP_HBFQ_MASK(txqcnt)) >> SZ_CAP_HBFQ_SHIFT;
+		hbfs = value & SZ_CAP_HBFS_MASK;
+
+		x->mtl_est_hlbf++;
+
+		/* Clear Interrupt */
+		writel(feqn, ioaddr + MTL_EST_FRM_SZ_ERR);
+
+		if (net_ratelimit())
+			netdev_err(dev, "EST: HLB(size) Queue %u Size %u\n",
+				   hbfq, hbfs);
+	}
+
+	if (status & BTRE) {
+		if ((status & BTRL) == BTRL_MAX)
+			x->mtl_est_btrlm++;
+		else
+			x->mtl_est_btre++;
+
+		btrl = (status & BTRL) >> BTRL_SHIFT;
+
+		if (net_ratelimit())
+			netdev_info(dev, "EST: BTR Error Loop Count %u\n",
+				    btrl);
+
+		writel(BTRE, ioaddr + MTL_EST_STATUS);
+	}
+
+	if (status & SWLC) {
+		writel(SWLC, ioaddr + MTL_EST_STATUS);
+		netdev_info(dev, "EST: SWOL has been switched\n");
+	}
+}
+
+void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
+			  u32 num_txq, u32 num_rxq,
+			  bool enable)
+{
+	u32 value;
+
+	if (enable) {
+		cfg->fpe_csr = EFPE;
+		value = readl(ioaddr + GMAC_RXQ_CTRL1);
+		value &= ~GMAC_RXQCTRL_FPRQ;
+		value |= (num_rxq - 1) << GMAC_RXQCTRL_FPRQ_SHIFT;
+		writel(value, ioaddr + GMAC_RXQ_CTRL1);
+	} else {
+		cfg->fpe_csr = 0;
+	}
+	writel(cfg->fpe_csr, ioaddr + MAC_FPE_CTRL_STS);
+}
+
+int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev)
+{
+	u32 value;
+	int status;
+
+	status = FPE_EVENT_UNKNOWN;
+
+	/* Reads from the MAC_FPE_CTRL_STS register should only be performed
+	 * here, since the status flags of MAC_FPE_CTRL_STS are "clear on read"
+	 */
+	value = readl(ioaddr + MAC_FPE_CTRL_STS);
+
+	if (value & TRSP) {
+		status |= FPE_EVENT_TRSP;
+		netdev_info(dev, "FPE: Respond mPacket is transmitted\n");
+	}
+
+	if (value & TVER) {
+		status |= FPE_EVENT_TVER;
+		netdev_info(dev, "FPE: Verify mPacket is transmitted\n");
+	}
+
+	if (value & RRSP) {
+		status |= FPE_EVENT_RRSP;
+		netdev_info(dev, "FPE: Respond mPacket is received\n");
+	}
+
+	if (value & RVER) {
+		status |= FPE_EVENT_RVER;
+		netdev_info(dev, "FPE: Verify mPacket is received\n");
+	}
+
+	return status;
+}
+
+void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg,
+			     enum stmmac_mpacket_type type)
+{
+	u32 value = cfg->fpe_csr;
+
+	if (type == MPACKET_VERIFY)
+		value |= SVER;
+	else if (type == MPACKET_RESPONSE)
+		value |= SRSP;
+
+	writel(value, ioaddr + MAC_FPE_CTRL_STS);
+}