mpc5748_eth2_driver.h
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1 /**
2  * @file mpc5748_eth2_driver.h
3  * @brief NXP MPC5748 Ethernet MAC driver (ENET1 instance)
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneTCP Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 2.5.4
29  **/
30 
31 #ifndef _MPC5748_ETH2_DRIVER_H
32 #define _MPC5748_ETH2_DRIVER_H
33 
34 //Dependencies
35 #include "core/nic.h"
36 
37 //Number of TX buffers
38 #ifndef MPC5748_ETH2_TX_BUFFER_COUNT
39  #define MPC5748_ETH2_TX_BUFFER_COUNT 3
40 #elif (MPC5748_ETH2_TX_BUFFER_COUNT < 1)
41  #error MPC5748_ETH2_TX_BUFFER_COUNT parameter is not valid
42 #endif
43 
44 //TX buffer size
45 #ifndef MPC5748_ETH2_TX_BUFFER_SIZE
46  #define MPC5748_ETH2_TX_BUFFER_SIZE 1536
47 #elif (MPC5748_ETH2_TX_BUFFER_SIZE != 1536)
48  #error MPC5748_ETH2_TX_BUFFER_SIZE parameter is not valid
49 #endif
50 
51 //Number of RX buffers
52 #ifndef MPC5748_ETH2_RX_BUFFER_COUNT
53  #define MPC5748_ETH2_RX_BUFFER_COUNT 6
54 #elif (MPC5748_ETH2_RX_BUFFER_COUNT < 1)
55  #error MPC5748_ETH2_RX_BUFFER_COUNT parameter is not valid
56 #endif
57 
58 //RX buffer size
59 #ifndef MPC5748_ETH2_RX_BUFFER_SIZE
60  #define MPC5748_ETH2_RX_BUFFER_SIZE 1536
61 #elif (MPC5748_ETH2_RX_BUFFER_SIZE != 1536)
62  #error MPC5748_ETH2_RX_BUFFER_SIZE parameter is not valid
63 #endif
64 
65 //Ethernet interrupt priority
66 #ifndef MPC5748_ETH2_IRQ_PRIORITY
67  #define MPC5748_ETH2_IRQ_PRIORITY 10
68 #elif (MPC5748_ETH2_IRQ_PRIORITY < 0)
69  #error MPC5748_ETH2_IRQ_PRIORITY parameter is not valid
70 #endif
71 
72 //Enhanced transmit buffer descriptor
73 #define ENET_TBD0_R 0x80000000
74 #define ENET_TBD0_TO1 0x40000000
75 #define ENET_TBD0_W 0x20000000
76 #define ENET_TBD0_TO2 0x10000000
77 #define ENET_TBD0_L 0x08000000
78 #define ENET_TBD0_TC 0x04000000
79 #define ENET_TBD0_DATA_LENGTH 0x0000FFFF
80 #define ENET_TBD1_DATA_POINTER 0xFFFFFFFF
81 #define ENET_TBD2_INT 0x40000000
82 #define ENET_TBD2_TS 0x20000000
83 #define ENET_TBD2_PINS 0x10000000
84 #define ENET_TBD2_IINS 0x08000000
85 #define ENET_TBD2_TXE 0x00008000
86 #define ENET_TBD2_UE 0x00002000
87 #define ENET_TBD2_EE 0x00001000
88 #define ENET_TBD2_FE 0x00000800
89 #define ENET_TBD2_LCE 0x00000400
90 #define ENET_TBD2_OE 0x00000200
91 #define ENET_TBD2_TSE 0x00000100
92 #define ENET_TBD4_BDU 0x80000000
93 #define ENET_TBD5_TIMESTAMP 0xFFFFFFFF
94 
95 //Enhanced receive buffer descriptor
96 #define ENET_RBD0_E 0x80000000
97 #define ENET_RBD0_RO1 0x40000000
98 #define ENET_RBD0_W 0x20000000
99 #define ENET_RBD0_RO2 0x10000000
100 #define ENET_RBD0_L 0x08000000
101 #define ENET_RBD0_M 0x01000000
102 #define ENET_RBD0_BC 0x00800000
103 #define ENET_RBD0_MC 0x00400000
104 #define ENET_RBD0_LG 0x00200000
105 #define ENET_RBD0_NO 0x00100000
106 #define ENET_RBD0_CR 0x00040000
107 #define ENET_RBD0_OV 0x00020000
108 #define ENET_RBD0_TR 0x00010000
109 #define ENET_RBD0_DATA_LENGTH 0x0000FFFF
110 #define ENET_RBD1_DATA_POINTER 0xFFFFFFFF
111 #define ENET_RBD2_ME 0x80000000
112 #define ENET_RBD2_PE 0x04000000
113 #define ENET_RBD2_CE 0x02000000
114 #define ENET_RBD2_UC 0x01000000
115 #define ENET_RBD2_INT 0x00800000
116 #define ENET_RBD2_VPCP 0x0000E000
117 #define ENET_RBD2_ICE 0x00000020
118 #define ENET_RBD2_PCR 0x00000010
119 #define ENET_RBD2_VLAN 0x00000004
120 #define ENET_RBD2_IPV6 0x00000002
121 #define ENET_RBD2_FRAG 0x00000001
122 #define ENET_RBD3_HEADER_LENGTH 0xF8000000
123 #define ENET_RBD3_PROTOCOL_TYPE 0x00FF0000
124 #define ENET_RBD3_PAYLOAD_CHECKSUM 0x0000FFFF
125 #define ENET_RBD4_BDU 0x80000000
126 #define ENET_RBD5_TIMESTAMP 0xFFFFFFFF
127 
128 //C++ guard
129 #ifdef __cplusplus
130 extern "C" {
131 #endif
132 
133 //MPC5748 Ethernet MAC driver (ENET1 instance)
134 extern const NicDriver mpc5748Eth2Driver;
135 
136 //MPC5748 Ethernet MAC related functions
138 void mpc5748Eth2InitGpio(NetInterface *interface);
139 void mpc5748Eth2InitBufferDesc(NetInterface *interface);
140 
141 void mpc5748Eth2Tick(NetInterface *interface);
142 
143 void mpc5748Eth2EnableIrq(NetInterface *interface);
144 void mpc5748Eth2DisableIrq(NetInterface *interface);
145 void mpc5748Eth2EventHandler(NetInterface *interface);
146 
148  const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary);
149 
151 
154 
155 void mpc5748Eth2WritePhyReg(uint8_t opcode, uint8_t phyAddr,
156  uint8_t regAddr, uint16_t data);
157 
158 uint16_t mpc5748Eth2ReadPhyReg(uint8_t opcode, uint8_t phyAddr,
159  uint8_t regAddr);
160 
161 uint32_t mpc5748Eth2CalcCrc(const void *data, size_t length);
162 
163 //C++ guard
164 #ifdef __cplusplus
165 }
166 #endif
167 
168 #endif
uint8_t opcode
Definition: dns_common.h:191
error_t mpc5748Eth2ReceivePacket(NetInterface *interface)
Receive a packet.
uint32_t mpc5748Eth2CalcCrc(const void *data, size_t length)
CRC calculation.
Structure describing a buffer that spans multiple chunks.
Definition: net_mem.h:89
uint8_t data[]
Definition: ethernet.h:224
void mpc5748Eth2EnableIrq(NetInterface *interface)
Enable interrupts.
void mpc5748Eth2DisableIrq(NetInterface *interface)
Disable interrupts.
uint16_t mpc5748Eth2ReadPhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
Read PHY register.
void mpc5748Eth2WritePhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
Write PHY register.
void mpc5748Eth2InitBufferDesc(NetInterface *interface)
Initialize buffer descriptors.
error_t
Error codes.
Definition: error.h:43
#define NetInterface
Definition: net.h:36
#define NetTxAncillary
Definition: net_misc.h:36
error_t mpc5748Eth2UpdateMacConfig(NetInterface *interface)
Adjust MAC configuration parameters for proper operation.
uint8_t length
Definition: tcp.h:375
void mpc5748Eth2Tick(NetInterface *interface)
MPC5748 Ethernet MAC timer handler.
const NicDriver mpc5748Eth2Driver
MPC5748 Ethernet MAC driver (ENET1 instance)
uint16_t regAddr
void mpc5748Eth2EventHandler(NetInterface *interface)
MPC5748 Ethernet MAC event handler.
Network interface controller abstraction layer.
void mpc5748Eth2InitGpio(NetInterface *interface)
GPIO configuration.
error_t mpc5748Eth2UpdateMacAddrFilter(NetInterface *interface)
Configure MAC address filtering.
error_t mpc5748Eth2Init(NetInterface *interface)
MPC5748 Ethernet MAC initialization.
error_t mpc5748Eth2SendPacket(NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send a packet.
NIC driver.
Definition: nic.h:286