1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
* aQuantia Corporation Network Driver
* Copyright (C) 2014-2017 aQuantia Corporation. All rights reserved
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*/
/* File hw_atl_utils_fw2x.c: Definition of firmware 2.x functions for
* Atlantic hardware abstraction layer.
*/
#include "../aq_hw.h"
#include "../aq_hw_utils.h"
#include "../aq_pci_func.h"
#include "../aq_ring.h"
#include "../aq_vec.h"
#include "hw_atl_utils.h"
#include "hw_atl_llh.h"
#define HW_ATL_FW2X_MPI_EFUSE_ADDR 0x364
#define HW_ATL_FW2X_MPI_MBOX_ADDR 0x360
#define HW_ATL_FW2X_MPI_CONTROL_ADDR 0x368
#define HW_ATL_FW2X_MPI_CONTROL2_ADDR 0x36C
#define HW_ATL_FW2X_MPI_STATE_ADDR 0x370
#define HW_ATL_FW2X_MPI_STATE2_ADDR 0x374
static int aq_fw2x_init(struct aq_hw_s *self)
{
int err = 0;
/* check 10 times by 1ms */
AQ_HW_WAIT_FOR(0U != (self->mbox_addr =
aq_hw_read_reg(self, HW_ATL_FW2X_MPI_MBOX_ADDR)),
1000U, 10U);
return err;
}
static enum hw_atl_fw2x_rate link_speed_mask_2fw2x_ratemask(u32 speed)
{
enum hw_atl_fw2x_rate rate = 0;
if (speed & AQ_NIC_RATE_10G)
rate |= FW2X_RATE_10G;
if (speed & AQ_NIC_RATE_5G)
rate |= FW2X_RATE_5G;
if (speed & AQ_NIC_RATE_5GSR)
rate |= FW2X_RATE_5G;
if (speed & AQ_NIC_RATE_2GS)
rate |= FW2X_RATE_2G5;
if (speed & AQ_NIC_RATE_1G)
rate |= FW2X_RATE_1G;
if (speed & AQ_NIC_RATE_100M)
rate |= FW2X_RATE_100M;
return rate;
}
static int aq_fw2x_set_link_speed(struct aq_hw_s *self, u32 speed)
{
u32 val = link_speed_mask_2fw2x_ratemask(speed);
aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL_ADDR, val);
return 0;
}
static int aq_fw2x_set_state(struct aq_hw_s *self,
enum hal_atl_utils_fw_state_e state)
{
/* No explicit state in 2x fw */
return 0;
}
static int aq_fw2x_update_link_status(struct aq_hw_s *self)
{
u32 mpi_state = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE_ADDR);
u32 speed = mpi_state & (FW2X_RATE_100M | FW2X_RATE_1G |
FW2X_RATE_2G5 | FW2X_RATE_5G | FW2X_RATE_10G);
struct aq_hw_link_status_s *link_status = &self->aq_link_status;
if (speed) {
if (speed & FW2X_RATE_10G)
link_status->mbps = 10000;
else if (speed & FW2X_RATE_5G)
link_status->mbps = 5000;
else if (speed & FW2X_RATE_2G5)
link_status->mbps = 2500;
else if (speed & FW2X_RATE_1G)
link_status->mbps = 1000;
else if (speed & FW2X_RATE_100M)
link_status->mbps = 100;
else
link_status->mbps = 10000;
} else {
link_status->mbps = 0;
}
return 0;
}
int aq_fw2x_get_mac_permanent(struct aq_hw_s *self, u8 *mac)
{
int err = 0;
u32 h = 0U;
u32 l = 0U;
u32 mac_addr[2] = { 0 };
u32 efuse_addr = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_EFUSE_ADDR);
if (efuse_addr != 0) {
err = hw_atl_utils_fw_downld_dwords(self,
efuse_addr + (40U * 4U),
mac_addr,
ARRAY_SIZE(mac_addr));
if (err)
return err;
mac_addr[0] = __swab32(mac_addr[0]);
mac_addr[1] = __swab32(mac_addr[1]);
}
ether_addr_copy(mac, (u8 *)mac_addr);
if ((mac[0] & 0x01U) || ((mac[0] | mac[1] | mac[2]) == 0x00U)) {
unsigned int rnd = 0;
get_random_bytes(&rnd, sizeof(unsigned int));
l = 0xE3000000U
| (0xFFFFU & rnd)
| (0x00 << 16);
h = 0x8001300EU;
mac[5] = (u8)(0xFFU & l);
l >>= 8;
mac[4] = (u8)(0xFFU & l);
l >>= 8;
mac[3] = (u8)(0xFFU & l);
l >>= 8;
mac[2] = (u8)(0xFFU & l);
mac[1] = (u8)(0xFFU & h);
h >>= 8;
mac[0] = (u8)(0xFFU & h);
}
return err;
}
static int aq_fw2x_update_stats(struct aq_hw_s *self)
{
int err = 0;
u32 mpi_opts = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR);
u32 orig_stats_val = mpi_opts & BIT(CAPS_HI_STATISTICS);
/* Toggle statistics bit for FW to update */
mpi_opts = mpi_opts ^ BIT(CAPS_HI_STATISTICS);
aq_hw_write_reg(self, HW_ATL_FW2X_MPI_CONTROL2_ADDR, mpi_opts);
/* Wait FW to report back */
AQ_HW_WAIT_FOR(orig_stats_val !=
(aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE2_ADDR) &
BIT(CAPS_HI_STATISTICS)),
1U, 10000U);
if (err)
return err;
return hw_atl_utils_update_stats(self);
}
const struct aq_fw_ops aq_fw_2x_ops = {
.init = aq_fw2x_init,
.reset = NULL,
.get_mac_permanent = aq_fw2x_get_mac_permanent,
.set_link_speed = aq_fw2x_set_link_speed,
.set_state = aq_fw2x_set_state,
.update_link_status = aq_fw2x_update_link_status,
.update_stats = aq_fw2x_update_stats,
};
|
