xref: /openbmc/u-boot/board/gdsys/common/ioep-fpga.c (revision dd1033e4)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2014
4  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
5  */
6 
7 #include <common.h>
8 
9 #include <gdsys_fpga.h>
10 
11 enum {
12 	UNITTYPE_MAIN_SERVER = 0,
13 	UNITTYPE_MAIN_USER = 1,
14 	UNITTYPE_VIDEO_SERVER = 2,
15 	UNITTYPE_VIDEO_USER = 3,
16 };
17 
18 enum {
19 	UNITTYPEPCB_DVI = 0,
20 	UNITTYPEPCB_DP_165 = 1,
21 	UNITTYPEPCB_DP_300 = 2,
22 	UNITTYPEPCB_HDMI = 3,
23 };
24 
25 enum {
26 	COMPRESSION_NONE = 0,
27 	COMPRESSION_TYPE_1 = 1,
28 	COMPRESSION_TYPE_1_2 = 3,
29 	COMPRESSION_TYPE_1_2_3 = 7,
30 };
31 
32 enum {
33 	AUDIO_NONE = 0,
34 	AUDIO_TX = 1,
35 	AUDIO_RX = 2,
36 	AUDIO_RXTX = 3,
37 };
38 
39 enum {
40 	SYSCLK_147456 = 0,
41 };
42 
43 enum {
44 	RAM_DDR2_32 = 0,
45 	RAM_DDR3_32 = 1,
46 	RAM_DDR3_48 = 2,
47 };
48 
49 enum {
50 	CARRIER_SPEED_1G = 0,
51 	CARRIER_SPEED_2_5G = 1,
52 };
53 
54 bool ioep_fpga_has_osd(unsigned int fpga)
55 {
56 	u16 fpga_features;
57 	unsigned feature_osd;
58 
59 	FPGA_GET_REG(0, fpga_features, &fpga_features);
60 	feature_osd = fpga_features & (1<<11);
61 
62 	return feature_osd;
63 }
64 
65 void ioep_fpga_print_info(unsigned int fpga)
66 {
67 	u16 versions;
68 	u16 fpga_version;
69 	u16 fpga_features;
70 	unsigned unit_type;
71 	unsigned unit_type_pcb_video;
72 	unsigned feature_compression;
73 	unsigned feature_osd;
74 	unsigned feature_audio;
75 	unsigned feature_sysclock;
76 	unsigned feature_ramconfig;
77 	unsigned feature_carrier_speed;
78 	unsigned feature_carriers;
79 	unsigned feature_video_channels;
80 
81 	FPGA_GET_REG(fpga, versions, &versions);
82 	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
83 	FPGA_GET_REG(fpga, fpga_features, &fpga_features);
84 
85 	unit_type = (versions & 0xf000) >> 12;
86 	unit_type_pcb_video = (versions & 0x01c0) >> 6;
87 	feature_compression = (fpga_features & 0xe000) >> 13;
88 	feature_osd = fpga_features & (1<<11);
89 	feature_audio = (fpga_features & 0x0600) >> 9;
90 	feature_sysclock = (fpga_features & 0x0180) >> 7;
91 	feature_ramconfig = (fpga_features & 0x0060) >> 5;
92 	feature_carrier_speed = fpga_features & (1<<4);
93 	feature_carriers = (fpga_features & 0x000c) >> 2;
94 	feature_video_channels = fpga_features & 0x0003;
95 
96 	switch (unit_type) {
97 	case UNITTYPE_MAIN_SERVER:
98 	case UNITTYPE_MAIN_USER:
99 		printf("Mainchannel");
100 		break;
101 
102 	case UNITTYPE_VIDEO_SERVER:
103 	case UNITTYPE_VIDEO_USER:
104 		printf("Videochannel");
105 		break;
106 
107 	default:
108 		printf("UnitType %d(not supported)", unit_type);
109 		break;
110 	}
111 
112 	switch (unit_type) {
113 	case UNITTYPE_MAIN_SERVER:
114 	case UNITTYPE_VIDEO_SERVER:
115 		printf(" Server");
116 		if (versions & (1<<4))
117 			printf(" UC");
118 		break;
119 
120 	case UNITTYPE_MAIN_USER:
121 	case UNITTYPE_VIDEO_USER:
122 		printf(" User");
123 		break;
124 
125 	default:
126 		break;
127 	}
128 
129 	if (versions & (1<<5))
130 		printf(" Fiber");
131 	else
132 		printf(" CAT");
133 
134 	switch (unit_type_pcb_video) {
135 	case UNITTYPEPCB_DVI:
136 		printf(" DVI,");
137 		break;
138 
139 	case UNITTYPEPCB_DP_165:
140 		printf(" DP 165MPix/s,");
141 		break;
142 
143 	case UNITTYPEPCB_DP_300:
144 		printf(" DP 300MPix/s,");
145 		break;
146 
147 	case UNITTYPEPCB_HDMI:
148 		printf(" HDMI,");
149 		break;
150 	}
151 
152 	printf(" FPGA V %d.%02d\n       features:",
153 	       fpga_version / 100, fpga_version % 100);
154 
155 
156 	switch (feature_compression) {
157 	case COMPRESSION_NONE:
158 		printf(" no compression");
159 		break;
160 
161 	case COMPRESSION_TYPE_1:
162 		printf(" compression type1(delta)");
163 		break;
164 
165 	case COMPRESSION_TYPE_1_2:
166 		printf(" compression type1(delta), type2(inline)");
167 		break;
168 
169 	case COMPRESSION_TYPE_1_2_3:
170 		printf(" compression type1(delta), type2(inline), type3(intempo)");
171 		break;
172 
173 	default:
174 		printf(" compression %d(not supported)", feature_compression);
175 		break;
176 	}
177 
178 	printf(", %sosd", feature_osd ? "" : "no ");
179 
180 	switch (feature_audio) {
181 	case AUDIO_NONE:
182 		printf(", no audio");
183 		break;
184 
185 	case AUDIO_TX:
186 		printf(", audio tx");
187 		break;
188 
189 	case AUDIO_RX:
190 		printf(", audio rx");
191 		break;
192 
193 	case AUDIO_RXTX:
194 		printf(", audio rx+tx");
195 		break;
196 
197 	default:
198 		printf(", audio %d(not supported)", feature_audio);
199 		break;
200 	}
201 
202 	puts(",\n       ");
203 
204 	switch (feature_sysclock) {
205 	case SYSCLK_147456:
206 		printf("clock 147.456 MHz");
207 		break;
208 
209 	default:
210 		printf("clock %d(not supported)", feature_sysclock);
211 		break;
212 	}
213 
214 	switch (feature_ramconfig) {
215 	case RAM_DDR2_32:
216 		printf(", RAM 32 bit DDR2");
217 		break;
218 
219 	case RAM_DDR3_32:
220 		printf(", RAM 32 bit DDR3");
221 		break;
222 
223 	case RAM_DDR3_48:
224 		printf(", RAM 48 bit DDR3");
225 		break;
226 
227 	default:
228 		printf(", RAM %d(not supported)", feature_ramconfig);
229 		break;
230 	}
231 
232 	printf(", %d carrier(s) %s", feature_carriers,
233 	       feature_carrier_speed ? "2.5Gbit/s" : "1Gbit/s");
234 
235 	printf(", %d video channel(s)\n", feature_video_channels);
236 }
237