xref: /openbmc/u-boot/board/gdsys/common/ioep-fpga.c (revision 274bced8)
1 /*
2  * (C) Copyright 2014
3  * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 
10 #include <gdsys_fpga.h>
11 
12 enum {
13 	UNITTYPE_MAIN_SERVER = 0,
14 	UNITTYPE_MAIN_USER = 1,
15 	UNITTYPE_VIDEO_SERVER = 2,
16 	UNITTYPE_VIDEO_USER = 3,
17 };
18 
19 enum {
20 	UNITTYPEPCB_DVI = 0,
21 	UNITTYPEPCB_DP_165 = 1,
22 	UNITTYPEPCB_DP_300 = 2,
23 	UNITTYPEPCB_HDMI = 3,
24 };
25 
26 enum {
27 	COMPRESSION_NONE = 0,
28 	COMPRESSION_TYPE_1 = 1,
29 	COMPRESSION_TYPE_1_2 = 3,
30 	COMPRESSION_TYPE_1_2_3 = 7,
31 };
32 
33 enum {
34 	AUDIO_NONE = 0,
35 	AUDIO_TX = 1,
36 	AUDIO_RX = 2,
37 	AUDIO_RXTX = 3,
38 };
39 
40 enum {
41 	SYSCLK_147456 = 0,
42 };
43 
44 enum {
45 	RAM_DDR2_32 = 0,
46 	RAM_DDR3_32 = 1,
47 	RAM_DDR3_48 = 2,
48 };
49 
50 enum {
51 	CARRIER_SPEED_1G = 0,
52 	CARRIER_SPEED_2_5G = 1,
53 };
54 
55 bool ioep_fpga_has_osd(unsigned int fpga)
56 {
57 	u16 fpga_features;
58 	unsigned feature_osd;
59 
60 	FPGA_GET_REG(0, fpga_features, &fpga_features);
61 	feature_osd = fpga_features & (1<<11);
62 
63 	return feature_osd;
64 }
65 
66 void ioep_fpga_print_info(unsigned int fpga)
67 {
68 	u16 versions;
69 	u16 fpga_version;
70 	u16 fpga_features;
71 	unsigned unit_type;
72 	unsigned unit_type_pcb_video;
73 	unsigned feature_compression;
74 	unsigned feature_osd;
75 	unsigned feature_audio;
76 	unsigned feature_sysclock;
77 	unsigned feature_ramconfig;
78 	unsigned feature_carrier_speed;
79 	unsigned feature_carriers;
80 	unsigned feature_video_channels;
81 
82 	FPGA_GET_REG(fpga, versions, &versions);
83 	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
84 	FPGA_GET_REG(fpga, fpga_features, &fpga_features);
85 
86 	unit_type = (versions & 0xf000) >> 12;
87 	unit_type_pcb_video = (versions & 0x01c0) >> 6;
88 	feature_compression = (fpga_features & 0xe000) >> 13;
89 	feature_osd = fpga_features & (1<<11);
90 	feature_audio = (fpga_features & 0x0600) >> 9;
91 	feature_sysclock = (fpga_features & 0x0180) >> 7;
92 	feature_ramconfig = (fpga_features & 0x0060) >> 5;
93 	feature_carrier_speed = fpga_features & (1<<4);
94 	feature_carriers = (fpga_features & 0x000c) >> 2;
95 	feature_video_channels = fpga_features & 0x0003;
96 
97 	switch (unit_type) {
98 	case UNITTYPE_MAIN_SERVER:
99 	case UNITTYPE_MAIN_USER:
100 		printf("Mainchannel");
101 		break;
102 
103 	case UNITTYPE_VIDEO_SERVER:
104 	case UNITTYPE_VIDEO_USER:
105 		printf("Videochannel");
106 		break;
107 
108 	default:
109 		printf("UnitType %d(not supported)", unit_type);
110 		break;
111 	}
112 
113 	switch (unit_type) {
114 	case UNITTYPE_MAIN_SERVER:
115 	case UNITTYPE_VIDEO_SERVER:
116 		printf(" Server");
117 		if (versions & (1<<4))
118 			printf(" UC");
119 		break;
120 
121 	case UNITTYPE_MAIN_USER:
122 	case UNITTYPE_VIDEO_USER:
123 		printf(" User");
124 		break;
125 
126 	default:
127 		break;
128 	}
129 
130 	if (versions & (1<<5))
131 		printf(" Fiber");
132 	else
133 		printf(" CAT");
134 
135 	switch (unit_type_pcb_video) {
136 	case UNITTYPEPCB_DVI:
137 		printf(" DVI,");
138 		break;
139 
140 	case UNITTYPEPCB_DP_165:
141 		printf(" DP 165MPix/s,");
142 		break;
143 
144 	case UNITTYPEPCB_DP_300:
145 		printf(" DP 300MPix/s,");
146 		break;
147 
148 	case UNITTYPEPCB_HDMI:
149 		printf(" HDMI,");
150 		break;
151 	}
152 
153 	printf(" FPGA V %d.%02d\n       features:",
154 	       fpga_version / 100, fpga_version % 100);
155 
156 
157 	switch (feature_compression) {
158 	case COMPRESSION_NONE:
159 		printf(" no compression");
160 		break;
161 
162 	case COMPRESSION_TYPE_1:
163 		printf(" compression type1(delta)");
164 		break;
165 
166 	case COMPRESSION_TYPE_1_2:
167 		printf(" compression type1(delta), type2(inline)");
168 		break;
169 
170 	case COMPRESSION_TYPE_1_2_3:
171 		printf(" compression type1(delta), type2(inline), type3(intempo)");
172 		break;
173 
174 	default:
175 		printf(" compression %d(not supported)", feature_compression);
176 		break;
177 	}
178 
179 	printf(", %sosd", feature_osd ? "" : "no ");
180 
181 	switch (feature_audio) {
182 	case AUDIO_NONE:
183 		printf(", no audio");
184 		break;
185 
186 	case AUDIO_TX:
187 		printf(", audio tx");
188 		break;
189 
190 	case AUDIO_RX:
191 		printf(", audio rx");
192 		break;
193 
194 	case AUDIO_RXTX:
195 		printf(", audio rx+tx");
196 		break;
197 
198 	default:
199 		printf(", audio %d(not supported)", feature_audio);
200 		break;
201 	}
202 
203 	puts(",\n       ");
204 
205 	switch (feature_sysclock) {
206 	case SYSCLK_147456:
207 		printf("clock 147.456 MHz");
208 		break;
209 
210 	default:
211 		printf("clock %d(not supported)", feature_sysclock);
212 		break;
213 	}
214 
215 	switch (feature_ramconfig) {
216 	case RAM_DDR2_32:
217 		printf(", RAM 32 bit DDR2");
218 		break;
219 
220 	case RAM_DDR3_32:
221 		printf(", RAM 32 bit DDR3");
222 		break;
223 
224 	case RAM_DDR3_48:
225 		printf(", RAM 48 bit DDR3");
226 		break;
227 
228 	default:
229 		printf(", RAM %d(not supported)", feature_ramconfig);
230 		break;
231 	}
232 
233 	printf(", %d carrier(s) %s", feature_carriers,
234 	       feature_carrier_speed ? "2.5Gbit/s" : "1Gbit/s");
235 
236 	printf(", %d video channel(s)\n", feature_video_channels);
237 }
238