1
2 /*******************************************************************************
3 * Copyright 2020 Microchip Corporation.
4 *
5 * SPDX-License-Identifier: MIT
6 *
7 * NULL PHY implementation.
8 *
9 * This PHY interface is used when there is a direct connection between two GEM
10 * instances which does not involve the use of a PHY device.
11 *
12 * Also used when setting up the default config so that the pointers for the
13 * PHY functions in the config always have some valid values.
14 *
15 */
16 #include "mpfs_hal/mss_hal.h"
17
18 #include "drivers/mss_ethernet_mac/mss_ethernet_registers.h"
19 #include "drivers/mss_ethernet_mac/mss_ethernet_mac_regs.h"
20 #include "drivers/mss_ethernet_mac/mss_ethernet_mac_sw_cfg.h"
21 #include "drivers/mss_ethernet_mac/mss_ethernet_mac.h"
22 #include "drivers/mss_ethernet_mac/phy.h"
23
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27
28 #if MSS_MAC_USE_PHY_NULL
29
30 /**************************************************************************//**
31 *
32 */
MSS_MAC_NULL_phy_init(const void * v_this_mac,uint8_t phy_addr)33 void MSS_MAC_NULL_phy_init(/* mss_mac_instance_t */ const void *v_this_mac, uint8_t phy_addr)
34 {
35 /* Nothing to see here... */
36 (void)v_this_mac;
37 (void)phy_addr;
38 }
39
40 /**************************************************************************//**
41 *
42 */
MSS_MAC_NULL_phy_set_link_speed(void * v_this_mac,uint32_t speed_duplex_select,mss_mac_speed_mode_t speed_mode)43 void MSS_MAC_NULL_phy_set_link_speed(/* mss_mac_instance_t */ void *v_this_mac, uint32_t speed_duplex_select, mss_mac_speed_mode_t speed_mode)
44 {
45 /* Nothing to see here... */
46 (void)v_this_mac;
47 (void)speed_duplex_select;
48 (void)speed_mode;
49 }
50
51 /**************************************************************************//**
52 *
53 */
MSS_MAC_NULL_phy_autonegotiate(const void * v_this_mac)54 void MSS_MAC_NULL_phy_autonegotiate(/* mss_mac_instance_ t */ const void *v_this_mac)
55 {
56 /* Nothing to see here... */
57 (void)v_this_mac;
58 }
59
60 /**************************************************************************//**
61 *
62 */
MSS_MAC_NULL_phy_mac_autonegotiate(const void * v_this_mac)63 void MSS_MAC_NULL_phy_mac_autonegotiate(/* mss_mac_instance_t */ const void *v_this_mac)
64 {
65 /* Nothing to see here... */
66 (void)v_this_mac;
67 }
68
69 /**************************************************************************//**
70 *
71 */
MSS_MAC_NULL_phy_get_link_status(const void * v_this_mac,mss_mac_speed_t * speed,uint8_t * fullduplex)72 uint8_t MSS_MAC_NULL_phy_get_link_status
73 (
74 /* mss_mac_instance_t */ const void *v_this_mac,
75 mss_mac_speed_t * speed,
76 uint8_t * fullduplex
77 )
78 {
79 uint8_t link_status;
80
81 (void)v_this_mac;
82 /* Assume link is up. */
83 link_status = MSS_MAC_LINK_UP;
84
85 /* Pick fastest for now... */
86
87 *fullduplex = MSS_MAC_FULL_DUPLEX;
88 *speed = MSS_MAC_1000MBPS;
89
90 return link_status;
91 }
92
93 #if MSS_MAC_USE_PHY_DP83867
94 /**************************************************************************//**
95 *
96 */
NULL_ti_read_extended_regs(const void * v_this_mac,uint16_t reg)97 uint16_t NULL_ti_read_extended_regs(/* mss_mac_instance_t */ const void *v_this_mac, uint16_t reg)
98 {
99 (void)v_this_mac;
100 (void)reg;
101
102 return(0);
103 }
104
105 /**************************************************************************//**
106 *
107 */
NULL_ti_write_extended_regs(const void * v_this_mac,uint16_t reg,uint16_t data)108 void NULL_ti_write_extended_regs(/* mss_mac_instance_t */ const void *v_this_mac, uint16_t reg, uint16_t data)
109 {
110 (void)v_this_mac;
111 (void)reg;
112 (void)data;
113
114 /* Nothing to see here... */
115 }
116 #endif
117
118 #endif /* MSS_MAC_USE_PHY_NULL */
119 #ifdef __cplusplus
120 }
121 #endif
122
123 /******************************** END OF FILE ******************************/
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