| /**************************************************************************** |
| * arch/risc-v/src/litex/hardware/litex_emac.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_EMAC_H |
| #define __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_EMAC_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| #include "hardware/litex_memorymap.h" |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| #define ETHMAC_RX_SLOTS 2 |
| #define ETHMAC_TX_SLOTS 2 |
| #define ETHMAC_SLOT_SIZE 2048 |
| |
| /* EMAC Register Offsets ****************************************************/ |
| |
| #define LITEX_ETHMAC_SRAM_WRITER_SLOT_OFFSET 0x0000 |
| #define LITEX_ETHMAC_SRAM_WRITER_LENGTH_OFFSET 0x0004 |
| #define LITEX_ETHMAC_SRAM_WRITER_ERRORS_OFFSET 0x0008 |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_STATUS_OFFSET 0x000c |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_PENDING_OFFSET 0x0010 |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_ENABLE_OFFSET 0x0014 |
| #define LITEX_ETHMAC_SRAM_READER_START_OFFSET 0x0018 |
| #define LITEX_ETHMAC_SRAM_READER_READY_OFFSET 0x001c |
| #define LITEX_ETHMAC_SRAM_READER_LEVEL_OFFSET 0x0020 |
| #define LITEX_ETHMAC_SRAM_READER_SLOT_OFFSET 0x0024 |
| #define LITEX_ETHMAC_SRAM_READER_LENGTH_OFFSET 0x0028 |
| #define LITEX_ETHMAC_SRAM_READER_EV_STATUS_OFFSET 0x002c |
| #define LITEX_ETHMAC_SRAM_READER_EV_PENDING_OFFSET 0x0030 |
| #define LITEX_ETHMAC_SRAM_READER_EV_ENABLE_OFFSET 0x0034 |
| #define LITEX_ETHMAC_PREAMBLE_CRC_OFFSET 0x0038 |
| #define LITEX_ETHMAC_RX_DATAPATH_PREAMBLE_ERRORS_OFFSET 0x003c |
| #define LITEX_ETHMAC_RX_DATAPATH_CRC_ERRORS_OFFSET 0x0040 |
| |
| #define LITEX_ETHPHY_CRG_RESET_OFFSET 0x0000 |
| #define LITEX_ETHPHY_MDIO_W_OFFSET 0x0004 |
| #define LITEX_ETHPHY_MDIO_R_OFFSET 0x0008 |
| |
| /* LITEX_EMAC register addresses ********************************************/ |
| |
| #define LITEX_ETHMAC_SRAM_WRITER_SLOT (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_SLOT_OFFSET) |
| #define LITEX_ETHMAC_SRAM_WRITER_LENGTH (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_LENGTH_OFFSET) |
| #define LITEX_ETHMAC_SRAM_WRITER_ERRORS (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_ERRORS_OFFSET) |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_STATUS (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_EV_STATUS_OFFSET) |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_PENDING (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_EV_PENDING_OFFSET) |
| #define LITEX_ETHMAC_SRAM_WRITER_EV_ENABLE (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_WRITER_EV_ENABLE_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_START (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_START_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_READY (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_READY_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_LEVEL (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_LEVEL_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_SLOT (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_SLOT_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_LENGTH (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_LENGTH_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_EV_STATUS (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_EV_STATUS_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_EV_PENDING (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_EV_PENDING_OFFSET) |
| #define LITEX_ETHMAC_SRAM_READER_EV_ENABLE (LITEX_ETHMAC_BASE + LITEX_ETHMAC_SRAM_READER_EV_ENABLE_OFFSET) |
| #define LITEX_ETHMAC_PREAMBLE_CRC (LITEX_ETHMAC_BASE + LITEX_ETHMAC_PREAMBLE_CRC_OFFSET) |
| #define LITEX_ETHMAC_RX_DATAPATH_PREAMBLE_ERRORS (LITEX_ETHMAC_BASE + LITEX_ETHMAC_RX_DATAPATH_PREAMBLE_ERRORS_OFFSET) |
| #define LITEX_ETHMAC_RX_DATAPATH_CRC_ERRORS (LITEX_ETHMAC_BASE + LITEX_ETHMAC_RX_DATAPATH_CRC_ERRORS_OFFSET) |
| |
| #define LITEX_ETHPHY_CRG_RESET (LITEX_ETHPHY_BASE + LITEX_ETHPHY_CRG_RESET_OFFSET) |
| #define LITEX_ETHPHY_MDIO_W (LITEX_ETHPHY_BASE + LITEX_ETHPHY_MDIO_W_OFFSET) |
| #define LITEX_ETHPHY_MDIO_R (LITEX_ETHPHY_BASE + LITEX_ETHPHY_MDIO_R_OFFSET) |
| |
| #endif /* __ARCH_RISCV_SRC_LITEX_HARDWARE_LITEX_EMAC_H */ |
