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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
/*
* (C) Copyright 2010
* Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>
#include <dtt.h>
#include <miiphy.h>
#include "405ep.h"
#include <gdsys_fpga.h>
#define LATCH0_BASE (CONFIG_SYS_LATCH_BASE)
#define LATCH1_BASE (CONFIG_SYS_LATCH_BASE + 0x100)
#define LATCH2_BASE (CONFIG_SYS_LATCH_BASE + 0x200)
#define PHYREG_CONTROL 0
#define PHYREG_PAGE_ADDRESS 22
#define PHYREG_PG0_COPPER_SPECIFIC_CONTROL_1 16
#define PHYREG_PG2_COPPER_SPECIFIC_CONTROL_2 26
enum {
UNITTYPE_CCD_SWITCH = 1,
};
enum {
HWVER_100 = 0,
HWVER_110 = 1,
HWVER_121 = 2,
HWVER_122 = 3,
};
int misc_init_r(void)
{
/* startup fans */
dtt_init();
return 0;
}
int configure_gbit_phy(unsigned char addr)
{
unsigned short value;
/* select page 2 */
if (miiphy_write(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_PAGE_ADDRESS, 0x0002))
goto err_out;
/* disable SGMII autonegotiation */
if (miiphy_write(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_PG2_COPPER_SPECIFIC_CONTROL_2, 0x800a))
goto err_out;
/* select page 0 */
if (miiphy_write(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_PAGE_ADDRESS, 0x0000))
goto err_out;
/* switch from powerdown to normal operation */
if (miiphy_read(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_PG0_COPPER_SPECIFIC_CONTROL_1, &value))
goto err_out;
if (miiphy_write(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_PG0_COPPER_SPECIFIC_CONTROL_1, value & ~0x0004))
goto err_out;
/* reset phy so settings take effect */
if (miiphy_write(CONFIG_SYS_GBIT_MII_BUSNAME, addr,
PHYREG_CONTROL, 0x9140))
goto err_out;
return 0;
err_out:
printf("Error writing to the PHY addr=%02x\n", addr);
return -1;
}
/*
* Check Board Identity:
*/
int checkboard(void)
{
char *s = getenv("serial#");
puts("Board: CATCenter Io");
if (s != NULL) {
puts(", serial# ");
puts(s);
}
puts("\n");
return 0;
}
static void print_fpga_info(void)
{
struct ihs_fpga *fpga = (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(0);
u16 versions = in_le16(&fpga->versions);
u16 fpga_version = in_le16(&fpga->fpga_version);
u16 fpga_features = in_le16(&fpga->fpga_features);
unsigned unit_type;
unsigned hardware_version;
unsigned feature_channels;
unsigned feature_expansion;
unit_type = (versions & 0xf000) >> 12;
hardware_version = versions & 0x000f;
feature_channels = fpga_features & 0x007f;
feature_expansion = fpga_features & (1<<15);
puts("FPGA: ");
switch (unit_type) {
case UNITTYPE_CCD_SWITCH:
printf("CCD-Switch");
break;
default:
printf("UnitType %d(not supported)", unit_type);
break;
}
switch (hardware_version) {
case HWVER_100:
printf(" HW-Ver 1.00\n");
break;
case HWVER_110:
printf(" HW-Ver 1.10\n");
break;
case HWVER_121:
printf(" HW-Ver 1.21\n");
break;
case HWVER_122:
printf(" HW-Ver 1.22\n");
break;
default:
printf(" HW-Ver %d(not supported)\n",
hardware_version);
break;
}
printf(" FPGA V %d.%02d, features:",
fpga_version / 100, fpga_version % 100);
printf(" %d channel(s)", feature_channels);
printf(", expansion %ssupported\n", feature_expansion ? "" : "un");
}
/*
* setup Gbit PHYs
*/
int last_stage_init(void)
{
struct ihs_fpga *fpga = (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(0);
unsigned int k;
print_fpga_info();
miiphy_register(CONFIG_SYS_GBIT_MII_BUSNAME,
bb_miiphy_read, bb_miiphy_write);
for (k = 0; k < 32; ++k)
configure_gbit_phy(k);
/* take fpga serdes blocks out of reset */
out_le16(&fpga->quad_serdes_reset, 0);
return 0;
}
void gd405ep_init(void)
{
}
void gd405ep_set_fpga_reset(unsigned state)
{
if (state) {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_RESET);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_RESET);
} else {
out_le16((void *)LATCH0_BASE, CONFIG_SYS_LATCH0_BOOT);
out_le16((void *)LATCH1_BASE, CONFIG_SYS_LATCH1_BOOT);
}
}
void gd405ep_setup_hw(void)
{
/*
* set "startup-finished"-gpios
*/
gpio_write_bit(21, 0);
gpio_write_bit(22, 1);
}
int gd405ep_get_fpga_done(unsigned fpga)
{
return in_le16((void *)LATCH2_BASE) & CONFIG_SYS_FPGA_DONE(fpga);
}
|
