summaryrefslogtreecommitdiffstats
path: root/board/gdsys/405ep/iocon.c
blob: ecd6cb2396c08883fbd65297cf2d868c621dd088 (plain)
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
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/*
 * (C) Copyright 2010
 * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <command.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/ppc4xx-gpio.h>

#include "../common/fpga.h"
#include "../common/osd.h"

enum {
	REG_VERSIONS = 0x0002,
	REG_FPGA_VERSION = 0x0004,
	REG_FPGA_FEATURES = 0x0006,
};

enum {
	UNITTYPE_MAIN_SERVER = 0,
	UNITTYPE_MAIN_USER = 1,
	UNITTYPE_VIDEO_SERVER = 2,
	UNITTYPE_VIDEO_USER = 3,
};

enum {
	HWVER_100 = 0,
	HWVER_104 = 1,
	HWVER_110 = 2,
};

enum {
	COMPRESSION_NONE = 0,
	COMPRESSION_TYPE1_DELTA,
};

enum {
	AUDIO_NONE = 0,
	AUDIO_TX = 1,
	AUDIO_RX = 2,
	AUDIO_RXTX = 3,
};

enum {
	SYSCLK_147456 = 0,
};

enum {
	RAM_DDR2_32 = 0,
};

/*
 * Check Board Identity:
 */
int checkboard(void)
{
	char *s = getenv("serial#");
	u16 versions = fpga_get_reg(REG_VERSIONS);
	u16 fpga_version = fpga_get_reg(REG_FPGA_VERSION);
	u16 fpga_features = fpga_get_reg(REG_FPGA_FEATURES);
	unsigned unit_type;
	unsigned hardware_version;
	unsigned feature_compression;
	unsigned feature_osd;
	unsigned feature_audio;
	unsigned feature_sysclock;
	unsigned feature_ramconfig;
	unsigned feature_carriers;
	unsigned feature_video_channels;

	unit_type = (versions & 0xf000) >> 12;
	hardware_version = versions & 0x000f;
	feature_compression = (fpga_features & 0xe000) >> 13;
	feature_osd = fpga_features & (1<<11);
	feature_audio = (fpga_features & 0x0600) >> 9;
	feature_sysclock = (fpga_features & 0x0180) >> 7;
	feature_ramconfig = (fpga_features & 0x0060) >> 5;
	feature_carriers = (fpga_features & 0x000c) >> 2;
	feature_video_channels = fpga_features & 0x0003;

	printf("Board: ");

	printf("IoCon");

	if (s != NULL) {
		puts(", serial# ");
		puts(s);
	}
	puts("\n       ");

	switch (unit_type) {
	case UNITTYPE_MAIN_USER:
		printf("Mainchannel");
		break;

	case UNITTYPE_VIDEO_USER:
		printf("Videochannel");
		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_104:
		printf(" HW-Ver 1.04\n");
		break;

	case HWVER_110:
		printf(" HW-Ver 1.10\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);


	switch (feature_compression) {
	case COMPRESSION_NONE:
		printf(" no compression");
		break;

	case COMPRESSION_TYPE1_DELTA:
		printf(" type1-deltacompression");
		break;

	default:
		printf(" compression %d(not supported)", feature_compression);
		break;
	}

	printf(", %sosd", feature_osd ? "" : "no ");

	switch (feature_audio) {
	case AUDIO_NONE:
		printf(", no audio");
		break;

	case AUDIO_TX:
		printf(", audio tx");
		break;

	case AUDIO_RX:
		printf(", audio rx");
		break;

	case AUDIO_RXTX:
		printf(", audio rx+tx");
		break;

	default:
		printf(", audio %d(not supported)", feature_audio);
		break;
	}

	puts(",\n       ");

	switch (feature_sysclock) {
	case SYSCLK_147456:
		printf("clock 147.456 MHz");
		break;

	default:
		printf("clock %d(not supported)", feature_sysclock);
		break;
	}

	switch (feature_ramconfig) {
	case RAM_DDR2_32:
		printf(", RAM 32 bit DDR2");
		break;

	default:
		printf(", RAM %d(not supported)", feature_ramconfig);
		break;
	}

	printf(", %d carrier(s)", feature_carriers);

	printf(", %d video channel(s)\n", feature_video_channels);

	return 0;
}

int last_stage_init(void)
{
	return osd_probe();
}

/*
 * provide access to fpga gpios (for I2C bitbang)
 */
void fpga_gpio_set(int pin)
{
	out_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x18), pin);
}

void fpga_gpio_clear(int pin)
{
	out_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x16), pin);
}

int fpga_gpio_get(int pin)
{
	return in_le16((void *)(CONFIG_SYS_FPGA_BASE + 0x14)) & pin;
}