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path: root/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c507
1 files changed, 389 insertions, 118 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
index 5b3b06a0a3bf..a2b52d2c4eb6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c
@@ -1,36 +1,25 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright Altera Corporation (C) 2014. All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
* Adopted from dwmac-sti.c
*/
-#include <linux/mfd/syscon.h>
+#include <linux/mfd/altera-sysmgr.h>
+#include <linux/clocksource_ids.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_net.h>
#include <linux/phy.h>
#include <linux/regmap.h>
+#include <linux/mdio/mdio-regmap.h>
+#include <linux/pcs-lynx.h>
#include <linux/reset.h>
#include <linux/stmmac.h>
+#include "dwxgmac2.h"
#include "stmmac.h"
#include "stmmac_platform.h"
-
-#include "altr_tse_pcs.h"
-
-#define SGMII_ADAPTER_CTRL_REG 0x00
-#define SGMII_ADAPTER_DISABLE 0x0001
+#include "stmmac_ptp.h"
#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII 0x0
#define SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII 0x1
@@ -38,9 +27,12 @@
#define SYSMGR_EMACGRP_CTRL_PHYSEL_WIDTH 2
#define SYSMGR_EMACGRP_CTRL_PHYSEL_MASK 0x00000003
#define SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000010
+#define SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK 0x00000100
#define SYSMGR_FPGAGRP_MODULE_REG 0x00000028
#define SYSMGR_FPGAGRP_MODULE_EMAC 0x00000004
+#define SYSMGR_FPGAINTF_EMAC_REG 0x00000070
+#define SYSMGR_FPGAINTF_EMAC_BIT 0x1
#define EMAC_SPLITTER_CTRL_REG 0x0
#define EMAC_SPLITTER_CTRL_SPEED_MASK 0x3
@@ -48,31 +40,48 @@
#define EMAC_SPLITTER_CTRL_SPEED_100 0x3
#define EMAC_SPLITTER_CTRL_SPEED_1000 0x0
+#define SGMII_ADAPTER_CTRL_REG 0x00
+#define SGMII_ADAPTER_ENABLE 0x0000
+#define SGMII_ADAPTER_DISABLE 0x0001
+
+#define SMTG_MDIO_ADDR 0x15
+#define SMTG_TSC_WORD0 0xC
+#define SMTG_TSC_WORD1 0xD
+#define SMTG_TSC_WORD2 0xE
+#define SMTG_TSC_WORD3 0xF
+#define SMTG_TSC_SHIFT 16
+
+struct socfpga_dwmac;
+struct socfpga_dwmac_ops {
+ int (*set_phy_mode)(struct socfpga_dwmac *dwmac_priv);
+ void (*setup_plat_dat)(struct socfpga_dwmac *dwmac_priv);
+};
+
struct socfpga_dwmac {
- int interface;
u32 reg_offset;
u32 reg_shift;
struct device *dev;
+ struct plat_stmmacenet_data *plat_dat;
struct regmap *sys_mgr_base_addr;
struct reset_control *stmmac_rst;
struct reset_control *stmmac_ocp_rst;
void __iomem *splitter_base;
+ void __iomem *tse_pcs_base;
+ void __iomem *sgmii_adapter_base;
bool f2h_ptp_ref_clk;
- struct tse_pcs pcs;
+ const struct socfpga_dwmac_ops *ops;
};
-static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
+static void socfpga_dwmac_fix_mac_speed(void *bsp_priv, int speed,
+ unsigned int mode)
{
- struct socfpga_dwmac *dwmac = (struct socfpga_dwmac *)priv;
+ struct socfpga_dwmac *dwmac = (struct socfpga_dwmac *)bsp_priv;
+ struct stmmac_priv *priv = netdev_priv(dev_get_drvdata(dwmac->dev));
void __iomem *splitter_base = dwmac->splitter_base;
- void __iomem *tse_pcs_base = dwmac->pcs.tse_pcs_base;
- void __iomem *sgmii_adapter_base = dwmac->pcs.sgmii_adapter_base;
- struct device *dev = dwmac->dev;
- struct net_device *ndev = dev_get_drvdata(dev);
- struct phy_device *phy_dev = ndev->phydev;
+ void __iomem *sgmii_adapter_base = dwmac->sgmii_adapter_base;
u32 val;
- if ((tse_pcs_base) && (sgmii_adapter_base))
+ if (sgmii_adapter_base)
writew(SGMII_ADAPTER_DISABLE,
sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
@@ -96,8 +105,11 @@ static void socfpga_dwmac_fix_mac_speed(void *priv, unsigned int speed)
writel(val, splitter_base + EMAC_SPLITTER_CTRL_REG);
}
- if (tse_pcs_base && sgmii_adapter_base)
- tse_pcs_fix_mac_speed(&dwmac->pcs, phy_dev, speed);
+ if ((priv->plat->phy_interface == PHY_INTERFACE_MODE_SGMII ||
+ priv->plat->phy_interface == PHY_INTERFACE_MODE_1000BASEX) &&
+ sgmii_adapter_base)
+ writew(SGMII_ADAPTER_ENABLE,
+ sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
}
static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *dev)
@@ -112,9 +124,8 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *
struct resource res_tse_pcs;
struct resource res_sgmii_adapter;
- dwmac->interface = of_get_phy_mode(np);
-
- sys_mgr_base_addr = syscon_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon");
+ sys_mgr_base_addr =
+ altr_sysmgr_regmap_lookup_by_phandle(np, "altr,sysmgr-syscon");
if (IS_ERR(sys_mgr_base_addr)) {
dev_info(dev, "No sysmgr-syscon node found\n");
return PTR_ERR(sys_mgr_base_addr);
@@ -188,11 +199,11 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *
goto err_node_put;
}
- dwmac->pcs.sgmii_adapter_base =
+ dwmac->sgmii_adapter_base =
devm_ioremap_resource(dev, &res_sgmii_adapter);
- if (IS_ERR(dwmac->pcs.sgmii_adapter_base)) {
- ret = PTR_ERR(dwmac->pcs.sgmii_adapter_base);
+ if (IS_ERR(dwmac->sgmii_adapter_base)) {
+ ret = PTR_ERR(dwmac->sgmii_adapter_base);
goto err_node_put;
}
}
@@ -210,11 +221,11 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device *
goto err_node_put;
}
- dwmac->pcs.tse_pcs_base =
+ dwmac->tse_pcs_base =
devm_ioremap_resource(dev, &res_tse_pcs);
- if (IS_ERR(dwmac->pcs.tse_pcs_base)) {
- ret = PTR_ERR(dwmac->pcs.tse_pcs_base);
+ if (IS_ERR(dwmac->tse_pcs_base)) {
+ ret = PTR_ERR(dwmac->tse_pcs_base);
goto err_node_put;
}
}
@@ -232,25 +243,157 @@ err_node_put:
return ret;
}
-static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
+static int socfpga_get_plat_phymode(struct socfpga_dwmac *dwmac)
{
- struct regmap *sys_mgr_base_addr = dwmac->sys_mgr_base_addr;
- int phymode = dwmac->interface;
- u32 reg_offset = dwmac->reg_offset;
- u32 reg_shift = dwmac->reg_shift;
- u32 ctrl, val, module;
+ return dwmac->plat_dat->phy_interface;
+}
+
+static void socfpga_sgmii_config(struct socfpga_dwmac *dwmac, bool enable)
+{
+ u16 val = enable ? SGMII_ADAPTER_ENABLE : SGMII_ADAPTER_DISABLE;
+
+ writew(val, dwmac->sgmii_adapter_base + SGMII_ADAPTER_CTRL_REG);
+}
+static int socfpga_set_phy_mode_common(int phymode, u32 *val)
+{
switch (phymode) {
case PHY_INTERFACE_MODE_RGMII:
case PHY_INTERFACE_MODE_RGMII_ID:
- val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII;
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
+ *val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII;
break;
case PHY_INTERFACE_MODE_MII:
case PHY_INTERFACE_MODE_GMII:
case PHY_INTERFACE_MODE_SGMII:
- val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII;
+ case PHY_INTERFACE_MODE_1000BASEX:
+ *val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII;
+ break;
+ case PHY_INTERFACE_MODE_RMII:
+ *val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RMII;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void get_smtgtime(struct mii_bus *mii, int smtg_addr, u64 *smtg_time)
+{
+ u64 ns;
+
+ ns = mdiobus_read(mii, smtg_addr, SMTG_TSC_WORD3);
+ ns <<= SMTG_TSC_SHIFT;
+ ns |= mdiobus_read(mii, smtg_addr, SMTG_TSC_WORD2);
+ ns <<= SMTG_TSC_SHIFT;
+ ns |= mdiobus_read(mii, smtg_addr, SMTG_TSC_WORD1);
+ ns <<= SMTG_TSC_SHIFT;
+ ns |= mdiobus_read(mii, smtg_addr, SMTG_TSC_WORD0);
+
+ *smtg_time = ns;
+}
+
+static int smtg_crosststamp(ktime_t *device, struct system_counterval_t *system,
+ void *ctx)
+{
+ struct stmmac_priv *priv = (struct stmmac_priv *)ctx;
+ u32 num_snapshot, gpio_value, acr_value;
+ void __iomem *ptpaddr = priv->ptpaddr;
+ void __iomem *ioaddr = priv->hw->pcsr;
+ unsigned long flags;
+ u64 smtg_time = 0;
+ u64 ptp_time = 0;
+ int i, ret;
+ u32 v;
+
+ /* Both internal crosstimestamping and external triggered event
+ * timestamping cannot be run concurrently.
+ */
+ if (priv->plat->flags & STMMAC_FLAG_EXT_SNAPSHOT_EN)
+ return -EBUSY;
+
+ mutex_lock(&priv->aux_ts_lock);
+ /* Enable Internal snapshot trigger */
+ acr_value = readl(ptpaddr + PTP_ACR);
+ acr_value &= ~PTP_ACR_MASK;
+ switch (priv->plat->int_snapshot_num) {
+ case AUX_SNAPSHOT0:
+ acr_value |= PTP_ACR_ATSEN0;
+ break;
+ case AUX_SNAPSHOT1:
+ acr_value |= PTP_ACR_ATSEN1;
+ break;
+ case AUX_SNAPSHOT2:
+ acr_value |= PTP_ACR_ATSEN2;
+ break;
+ case AUX_SNAPSHOT3:
+ acr_value |= PTP_ACR_ATSEN3;
break;
default:
+ mutex_unlock(&priv->aux_ts_lock);
+ return -EINVAL;
+ }
+ writel(acr_value, ptpaddr + PTP_ACR);
+
+ /* Clear FIFO */
+ acr_value = readl(ptpaddr + PTP_ACR);
+ acr_value |= PTP_ACR_ATSFC;
+ writel(acr_value, ptpaddr + PTP_ACR);
+ /* Release the mutex */
+ mutex_unlock(&priv->aux_ts_lock);
+
+ /* Trigger Internal snapshot signal. Create a rising edge by just toggle
+ * the GPO0 to low and back to high.
+ */
+ gpio_value = readl(ioaddr + XGMAC_GPIO_STATUS);
+ gpio_value &= ~XGMAC_GPIO_GPO0;
+ writel(gpio_value, ioaddr + XGMAC_GPIO_STATUS);
+ gpio_value |= XGMAC_GPIO_GPO0;
+ writel(gpio_value, ioaddr + XGMAC_GPIO_STATUS);
+
+ /* Poll for time sync operation done */
+ ret = readl_poll_timeout(priv->ioaddr + XGMAC_INT_STATUS, v,
+ (v & XGMAC_INT_TSIS), 100, 10000);
+ if (ret) {
+ netdev_err(priv->dev, "%s: Wait for time sync operation timeout\n",
+ __func__);
+ return ret;
+ }
+
+ *system = (struct system_counterval_t) {
+ .cycles = 0,
+ .cs_id = CSID_ARM_ARCH_COUNTER,
+ .use_nsecs = false,
+ };
+
+ num_snapshot = (readl(ioaddr + XGMAC_TIMESTAMP_STATUS) &
+ XGMAC_TIMESTAMP_ATSNS_MASK) >>
+ XGMAC_TIMESTAMP_ATSNS_SHIFT;
+
+ /* Repeat until the timestamps are from the FIFO last segment */
+ for (i = 0; i < num_snapshot; i++) {
+ read_lock_irqsave(&priv->ptp_lock, flags);
+ stmmac_get_ptptime(priv, ptpaddr, &ptp_time);
+ *device = ns_to_ktime(ptp_time);
+ read_unlock_irqrestore(&priv->ptp_lock, flags);
+ }
+
+ get_smtgtime(priv->mii, SMTG_MDIO_ADDR, &smtg_time);
+ system->cycles = smtg_time;
+
+ return 0;
+}
+
+static int socfpga_gen5_set_phy_mode(struct socfpga_dwmac *dwmac)
+{
+ struct regmap *sys_mgr_base_addr = dwmac->sys_mgr_base_addr;
+ int phymode = socfpga_get_plat_phymode(dwmac);
+ u32 reg_offset = dwmac->reg_offset;
+ u32 reg_shift = dwmac->reg_shift;
+ u32 ctrl, val, module;
+
+ if (socfpga_set_phy_mode_common(phymode, &val)) {
dev_err(dwmac->dev, "bad phy mode %d\n", phymode);
return -EINVAL;
}
@@ -274,16 +417,19 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
phymode == PHY_INTERFACE_MODE_MII ||
phymode == PHY_INTERFACE_MODE_GMII ||
phymode == PHY_INTERFACE_MODE_SGMII) {
- ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
regmap_read(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
&module);
module |= (SYSMGR_FPGAGRP_MODULE_EMAC << (reg_shift / 2));
regmap_write(sys_mgr_base_addr, SYSMGR_FPGAGRP_MODULE_REG,
module);
- } else {
- ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2));
}
+ if (dwmac->f2h_ptp_ref_clk)
+ ctrl |= SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK << (reg_shift / 2);
+ else
+ ctrl &= ~(SYSMGR_EMACGRP_CTRL_PTP_REF_CLK_MASK <<
+ (reg_shift / 2));
+
regmap_write(sys_mgr_base_addr, reg_offset, ctrl);
/* Deassert reset for the phy configuration to be sampled by
@@ -291,16 +437,164 @@ static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac)
*/
reset_control_deassert(dwmac->stmmac_ocp_rst);
reset_control_deassert(dwmac->stmmac_rst);
- if (phymode == PHY_INTERFACE_MODE_SGMII) {
- if (tse_pcs_init(dwmac->pcs.tse_pcs_base, &dwmac->pcs) != 0) {
- dev_err(dwmac->dev, "Unable to initialize TSE PCS");
- return -EINVAL;
- }
+ if (phymode == PHY_INTERFACE_MODE_SGMII)
+ socfpga_sgmii_config(dwmac, true);
+
+ return 0;
+}
+
+static int socfpga_gen10_set_phy_mode(struct socfpga_dwmac *dwmac)
+{
+ struct regmap *sys_mgr_base_addr = dwmac->sys_mgr_base_addr;
+ int phymode = socfpga_get_plat_phymode(dwmac);
+ u32 reg_offset = dwmac->reg_offset;
+ u32 reg_shift = dwmac->reg_shift;
+ u32 ctrl, val, module;
+
+ if (socfpga_set_phy_mode_common(phymode, &val))
+ return -EINVAL;
+
+ /* Overwrite val to GMII if splitter core is enabled. The phymode here
+ * is the actual phy mode on phy hardware, but phy interface from
+ * EMAC core is GMII.
+ */
+ if (dwmac->splitter_base)
+ val = SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_GMII_MII;
+
+ /* Assert reset to the enet controller before changing the phy mode */
+ reset_control_assert(dwmac->stmmac_ocp_rst);
+ reset_control_assert(dwmac->stmmac_rst);
+
+ regmap_read(sys_mgr_base_addr, reg_offset, &ctrl);
+ ctrl &= ~(SYSMGR_EMACGRP_CTRL_PHYSEL_MASK);
+ ctrl |= val;
+
+ if (dwmac->f2h_ptp_ref_clk ||
+ phymode == PHY_INTERFACE_MODE_MII ||
+ phymode == PHY_INTERFACE_MODE_GMII ||
+ phymode == PHY_INTERFACE_MODE_SGMII) {
+ ctrl |= SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK;
+ regmap_read(sys_mgr_base_addr, SYSMGR_FPGAINTF_EMAC_REG,
+ &module);
+ module |= (SYSMGR_FPGAINTF_EMAC_BIT << reg_shift);
+ regmap_write(sys_mgr_base_addr, SYSMGR_FPGAINTF_EMAC_REG,
+ module);
+ } else {
+ ctrl &= ~SYSMGR_GEN10_EMACGRP_CTRL_PTP_REF_CLK_MASK;
}
+ regmap_write(sys_mgr_base_addr, reg_offset, ctrl);
+
+ /* Deassert reset for the phy configuration to be sampled by
+ * the enet controller, and operation to start in requested mode
+ */
+ reset_control_deassert(dwmac->stmmac_ocp_rst);
+ reset_control_deassert(dwmac->stmmac_rst);
+ if (phymode == PHY_INTERFACE_MODE_SGMII)
+ socfpga_sgmii_config(dwmac, true);
+ return 0;
+}
+
+static int socfpga_dwmac_pcs_init(struct stmmac_priv *priv)
+{
+ struct socfpga_dwmac *dwmac = priv->plat->bsp_priv;
+ struct regmap_config pcs_regmap_cfg = {
+ .reg_bits = 16,
+ .val_bits = 16,
+ .reg_shift = REGMAP_UPSHIFT(1),
+ };
+ struct mdio_regmap_config mrc;
+ struct regmap *pcs_regmap;
+ struct phylink_pcs *pcs;
+ struct mii_bus *pcs_bus;
+
+ if (!dwmac->tse_pcs_base)
+ return 0;
+
+ pcs_regmap = devm_regmap_init_mmio(priv->device, dwmac->tse_pcs_base,
+ &pcs_regmap_cfg);
+ if (IS_ERR(pcs_regmap))
+ return PTR_ERR(pcs_regmap);
+
+ memset(&mrc, 0, sizeof(mrc));
+ mrc.regmap = pcs_regmap;
+ mrc.parent = priv->device;
+ mrc.valid_addr = 0x0;
+ mrc.autoscan = false;
+
+ /* Can't use ndev->name here because it will not have been initialised,
+ * and in any case, the user can rename network interfaces at runtime.
+ */
+ snprintf(mrc.name, MII_BUS_ID_SIZE, "%s-pcs-mii",
+ dev_name(priv->device));
+ pcs_bus = devm_mdio_regmap_register(priv->device, &mrc);
+ if (IS_ERR(pcs_bus))
+ return PTR_ERR(pcs_bus);
+
+ pcs = lynx_pcs_create_mdiodev(pcs_bus, 0);
+ if (IS_ERR(pcs))
+ return PTR_ERR(pcs);
+
+ priv->hw->phylink_pcs = pcs;
return 0;
}
+static void socfpga_dwmac_pcs_exit(struct stmmac_priv *priv)
+{
+ if (priv->hw->phylink_pcs)
+ lynx_pcs_destroy(priv->hw->phylink_pcs);
+}
+
+static struct phylink_pcs *socfpga_dwmac_select_pcs(struct stmmac_priv *priv,
+ phy_interface_t interface)
+{
+ return priv->hw->phylink_pcs;
+}
+
+static int socfpga_dwmac_init(struct device *dev, void *bsp_priv)
+{
+ struct socfpga_dwmac *dwmac = bsp_priv;
+
+ return dwmac->ops->set_phy_mode(dwmac);
+}
+
+static void socfpga_gen5_setup_plat_dat(struct socfpga_dwmac *dwmac)
+{
+ struct plat_stmmacenet_data *plat_dat = dwmac->plat_dat;
+
+ plat_dat->core_type = DWMAC_CORE_GMAC;
+
+ /* Rx watchdog timer in dwmac is buggy in this hw */
+ plat_dat->riwt_off = 1;
+}
+
+static void socfpga_agilex5_setup_plat_dat(struct socfpga_dwmac *dwmac)
+{
+ struct plat_stmmacenet_data *plat_dat = dwmac->plat_dat;
+
+ plat_dat->core_type = DWMAC_CORE_XGMAC;
+
+ /* Enable TSO */
+ plat_dat->flags |= STMMAC_FLAG_TSO_EN;
+
+ /* Enable TBS */
+ switch (plat_dat->tx_queues_to_use) {
+ case 8:
+ plat_dat->tx_queues_cfg[7].tbs_en = true;
+ fallthrough;
+ case 7:
+ plat_dat->tx_queues_cfg[6].tbs_en = true;
+ break;
+ default:
+ /* Tx Queues 0 - 5 doesn't support TBS on Agilex5 */
+ break;
+ }
+
+ /* Hw supported cross-timestamp */
+ plat_dat->int_snapshot_num = AUX_SNAPSHOT0;
+ plat_dat->crosststamp = smtg_crosststamp;
+}
+
static int socfpga_dwmac_probe(struct platform_device *pdev)
{
struct plat_stmmacenet_data *plat_dat;
@@ -308,28 +602,31 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
int ret;
struct socfpga_dwmac *dwmac;
- struct net_device *ndev;
- struct stmmac_priv *stpriv;
+ const struct socfpga_dwmac_ops *ops;
+
+ ops = device_get_match_data(&pdev->dev);
+ if (!ops) {
+ dev_err(&pdev->dev, "no of match data provided\n");
+ return -EINVAL;
+ }
ret = stmmac_get_platform_resources(pdev, &stmmac_res);
if (ret)
return ret;
- plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
+ plat_dat = devm_stmmac_probe_config_dt(pdev, stmmac_res.mac);
if (IS_ERR(plat_dat))
return PTR_ERR(plat_dat);
dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL);
- if (!dwmac) {
- ret = -ENOMEM;
- goto err_remove_config_dt;
- }
+ if (!dwmac)
+ return -ENOMEM;
dwmac->stmmac_ocp_rst = devm_reset_control_get_optional(dev, "stmmaceth-ocp");
if (IS_ERR(dwmac->stmmac_ocp_rst)) {
ret = PTR_ERR(dwmac->stmmac_ocp_rst);
dev_err(dev, "error getting reset control of ocp %d\n", ret);
- goto err_remove_config_dt;
+ return ret;
}
reset_control_deassert(dwmac->stmmac_ocp_rst);
@@ -337,87 +634,61 @@ static int socfpga_dwmac_probe(struct platform_device *pdev)
ret = socfpga_dwmac_parse_data(dwmac, dev);
if (ret) {
dev_err(dev, "Unable to parse OF data\n");
- goto err_remove_config_dt;
+ return ret;
}
- plat_dat->bsp_priv = dwmac;
- plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed;
-
- ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
- if (ret)
- goto err_remove_config_dt;
-
- ndev = platform_get_drvdata(pdev);
- stpriv = netdev_priv(ndev);
-
/* The socfpga driver needs to control the stmmac reset to set the phy
* mode. Create a copy of the core reset handle so it can be used by
* the driver later.
*/
- dwmac->stmmac_rst = stpriv->plat->stmmac_rst;
-
- ret = socfpga_dwmac_set_phy_mode(dwmac);
- if (ret)
- goto err_dvr_remove;
+ dwmac->stmmac_rst = plat_dat->stmmac_rst;
+ dwmac->ops = ops;
+ dwmac->plat_dat = plat_dat;
- return 0;
+ plat_dat->bsp_priv = dwmac;
+ plat_dat->fix_mac_speed = socfpga_dwmac_fix_mac_speed;
+ plat_dat->init = socfpga_dwmac_init;
+ plat_dat->pcs_init = socfpga_dwmac_pcs_init;
+ plat_dat->pcs_exit = socfpga_dwmac_pcs_exit;
+ plat_dat->select_pcs = socfpga_dwmac_select_pcs;
-err_dvr_remove:
- stmmac_dvr_remove(&pdev->dev);
-err_remove_config_dt:
- stmmac_remove_config_dt(pdev, plat_dat);
+ ops->setup_plat_dat(dwmac);
- return ret;
+ return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
}
-#ifdef CONFIG_PM_SLEEP
-static int socfpga_dwmac_resume(struct device *dev)
-{
- struct net_device *ndev = dev_get_drvdata(dev);
- struct stmmac_priv *priv = netdev_priv(ndev);
-
- socfpga_dwmac_set_phy_mode(priv->plat->bsp_priv);
-
- /* Before the enet controller is suspended, the phy is suspended.
- * This causes the phy clock to be gated. The enet controller is
- * resumed before the phy, so the clock is still gated "off" when
- * the enet controller is resumed. This code makes sure the phy
- * is "resumed" before reinitializing the enet controller since
- * the enet controller depends on an active phy clock to complete
- * a DMA reset. A DMA reset will "time out" if executed
- * with no phy clock input on the Synopsys enet controller.
- * Verified through Synopsys Case #8000711656.
- *
- * Note that the phy clock is also gated when the phy is isolated.
- * Phy "suspend" and "isolate" controls are located in phy basic
- * control register 0, and can be modified by the phy driver
- * framework.
- */
- if (ndev->phydev)
- phy_resume(ndev->phydev);
+static const struct socfpga_dwmac_ops socfpga_gen5_ops = {
+ .set_phy_mode = socfpga_gen5_set_phy_mode,
+ .setup_plat_dat = socfpga_gen5_setup_plat_dat,
+};
- return stmmac_resume(dev);
-}
-#endif /* CONFIG_PM_SLEEP */
+static const struct socfpga_dwmac_ops socfpga_gen10_ops = {
+ .set_phy_mode = socfpga_gen10_set_phy_mode,
+ .setup_plat_dat = socfpga_gen5_setup_plat_dat,
+};
-static SIMPLE_DEV_PM_OPS(socfpga_dwmac_pm_ops, stmmac_suspend,
- socfpga_dwmac_resume);
+static const struct socfpga_dwmac_ops socfpga_agilex5_ops = {
+ .set_phy_mode = socfpga_gen10_set_phy_mode,
+ .setup_plat_dat = socfpga_agilex5_setup_plat_dat,
+};
static const struct of_device_id socfpga_dwmac_match[] = {
- { .compatible = "altr,socfpga-stmmac" },
+ { .compatible = "altr,socfpga-stmmac", .data = &socfpga_gen5_ops },
+ { .compatible = "altr,socfpga-stmmac-a10-s10", .data = &socfpga_gen10_ops },
+ { .compatible = "altr,socfpga-stmmac-agilex5", .data = &socfpga_agilex5_ops },
{ }
};
MODULE_DEVICE_TABLE(of, socfpga_dwmac_match);
static struct platform_driver socfpga_dwmac_driver = {
.probe = socfpga_dwmac_probe,
- .remove = stmmac_pltfr_remove,
.driver = {
.name = "socfpga-dwmac",
- .pm = &socfpga_dwmac_pm_ops,
+ .pm = &stmmac_pltfr_pm_ops,
.of_match_table = socfpga_dwmac_match,
},
};
module_platform_driver(socfpga_dwmac_driver);
+MODULE_DESCRIPTION("Altera SOC DWMAC Specific Glue layer");
MODULE_LICENSE("GPL v2");