The default value in hardware for the Rx MAC FIFO (@) is higher than it
should be and can lead to Rx lock-up under traffic.
Set it to the value recommended by hardware team, 1.
Signed-off-by: Alex Marginean <alexandru.marginean@nxp.com>
Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2019 NXP
+ * Copyright 2018-2020 NXP
*/
#ifndef _ENETC_HW_H_
#define ENETC_PSIPMAR1(n) (0x00104 + (n) * 0x20)
#define ENETC_PCAPR0 0x00900
#define ENETC_PCAPR1 0x00904
+#define ENETC_PM0_RX_FIFO 0x801C
#define ENETC_PM0_IF_MODE 0x8300
#define ENETC_PM1_IF_MODE 0x9300
#define ENETC_PMO_IFM_RG BIT(2)
/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2019 NXP
+ * Copyright 2018-2020 NXP
*/
#include <stdbool.h>
hw->hw.port = (void *)((size_t)hw->hw.reg + ENETC_PORT_BASE);
hw->hw.global = (void *)((size_t)hw->hw.reg + ENETC_GLOBAL_BASE);
+ /* WA for Rx lock-up HW erratum */
+ enetc_port_wr(enetc_hw, ENETC_PM0_RX_FIFO, 1);
+
/* Enabling Station Interface */
enetc_wr(enetc_hw, ENETC_SIMR, ENETC_SIMR_EN);