xref: /openbmc/u-boot/drivers/fpga/altera.c (revision 3765b3e7)
1 /*
2  * (C) Copyright 2003
3  * Steven Scholz, imc Measurement & Control, steven.scholz@imc-berlin.de
4  *
5  * (C) Copyright 2002
6  * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 /*
12  *  Altera FPGA support
13  */
14 #include <common.h>
15 #include <ACEX1K.h>
16 #include <stratixII.h>
17 
18 /* Define FPGA_DEBUG to get debug printf's */
19 /* #define FPGA_DEBUG */
20 
21 #ifdef	FPGA_DEBUG
22 #define	PRINTF(fmt,args...)	printf (fmt ,##args)
23 #else
24 #define PRINTF(fmt,args...)
25 #endif
26 
27 /* Local Static Functions */
28 static int altera_validate (Altera_desc * desc, const char *fn);
29 
30 /* ------------------------------------------------------------------------- */
31 int altera_load(Altera_desc *desc, const void *buf, size_t bsize)
32 {
33 	int ret_val = FPGA_FAIL;	/* assume a failure */
34 
35 	if (!altera_validate (desc, (char *)__FUNCTION__)) {
36 		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
37 	} else {
38 		switch (desc->family) {
39 		case Altera_ACEX1K:
40 		case Altera_CYC2:
41 #if defined(CONFIG_FPGA_ACEX1K)
42 			PRINTF ("%s: Launching the ACEX1K Loader...\n",
43 					__FUNCTION__);
44 			ret_val = ACEX1K_load (desc, buf, bsize);
45 #elif defined(CONFIG_FPGA_CYCLON2)
46 			PRINTF ("%s: Launching the CYCLONE II Loader...\n",
47 					__FUNCTION__);
48 			ret_val = CYC2_load (desc, buf, bsize);
49 #else
50 			printf ("%s: No support for ACEX1K devices.\n",
51 					__FUNCTION__);
52 #endif
53 			break;
54 
55 #if defined(CONFIG_FPGA_STRATIX_II)
56 		case Altera_StratixII:
57 			PRINTF ("%s: Launching the Stratix II Loader...\n",
58 				__FUNCTION__);
59 			ret_val = StratixII_load (desc, buf, bsize);
60 			break;
61 #endif
62 		default:
63 			printf ("%s: Unsupported family type, %d\n",
64 					__FUNCTION__, desc->family);
65 		}
66 	}
67 
68 	return ret_val;
69 }
70 
71 int altera_dump(Altera_desc *desc, const void *buf, size_t bsize)
72 {
73 	int ret_val = FPGA_FAIL;	/* assume a failure */
74 
75 	if (!altera_validate (desc, (char *)__FUNCTION__)) {
76 		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
77 	} else {
78 		switch (desc->family) {
79 		case Altera_ACEX1K:
80 #if defined(CONFIG_FPGA_ACEX)
81 			PRINTF ("%s: Launching the ACEX1K Reader...\n",
82 					__FUNCTION__);
83 			ret_val = ACEX1K_dump (desc, buf, bsize);
84 #else
85 			printf ("%s: No support for ACEX1K devices.\n",
86 					__FUNCTION__);
87 #endif
88 			break;
89 
90 #if defined(CONFIG_FPGA_STRATIX_II)
91 		case Altera_StratixII:
92 			PRINTF ("%s: Launching the Stratix II Reader...\n",
93 				__FUNCTION__);
94 			ret_val = StratixII_dump (desc, buf, bsize);
95 			break;
96 #endif
97 		default:
98 			printf ("%s: Unsupported family type, %d\n",
99 					__FUNCTION__, desc->family);
100 		}
101 	}
102 
103 	return ret_val;
104 }
105 
106 int altera_info( Altera_desc *desc )
107 {
108 	int ret_val = FPGA_FAIL;
109 
110 	if (altera_validate (desc, (char *)__FUNCTION__)) {
111 		printf ("Family:        \t");
112 		switch (desc->family) {
113 		case Altera_ACEX1K:
114 			printf ("ACEX1K\n");
115 			break;
116 		case Altera_CYC2:
117 			printf ("CYCLON II\n");
118 			break;
119 		case Altera_StratixII:
120 			printf ("Stratix II\n");
121 			break;
122 			/* Add new family types here */
123 		default:
124 			printf ("Unknown family type, %d\n", desc->family);
125 		}
126 
127 		printf ("Interface type:\t");
128 		switch (desc->iface) {
129 		case passive_serial:
130 			printf ("Passive Serial (PS)\n");
131 			break;
132 		case passive_parallel_synchronous:
133 			printf ("Passive Parallel Synchronous (PPS)\n");
134 			break;
135 		case passive_parallel_asynchronous:
136 			printf ("Passive Parallel Asynchronous (PPA)\n");
137 			break;
138 		case passive_serial_asynchronous:
139 			printf ("Passive Serial Asynchronous (PSA)\n");
140 			break;
141 		case altera_jtag_mode:		/* Not used */
142 			printf ("JTAG Mode\n");
143 			break;
144 		case fast_passive_parallel:
145 			printf ("Fast Passive Parallel (FPP)\n");
146 			break;
147 		case fast_passive_parallel_security:
148 			printf
149 			    ("Fast Passive Parallel with Security (FPPS) \n");
150 			break;
151 			/* Add new interface types here */
152 		default:
153 			printf ("Unsupported interface type, %d\n", desc->iface);
154 		}
155 
156 		printf ("Device Size:   \t%d bytes\n"
157 				"Cookie:        \t0x%x (%d)\n",
158 				desc->size, desc->cookie, desc->cookie);
159 
160 		if (desc->iface_fns) {
161 			printf ("Device Function Table @ 0x%p\n", desc->iface_fns);
162 			switch (desc->family) {
163 			case Altera_ACEX1K:
164 			case Altera_CYC2:
165 #if defined(CONFIG_FPGA_ACEX1K)
166 				ACEX1K_info (desc);
167 #elif defined(CONFIG_FPGA_CYCLON2)
168 				CYC2_info (desc);
169 #else
170 				/* just in case */
171 				printf ("%s: No support for ACEX1K devices.\n",
172 						__FUNCTION__);
173 #endif
174 				break;
175 #if defined(CONFIG_FPGA_STRATIX_II)
176 			case Altera_StratixII:
177 				StratixII_info (desc);
178 				break;
179 #endif
180 				/* Add new family types here */
181 			default:
182 				/* we don't need a message here - we give one up above */
183 				break;
184 			}
185 		} else {
186 			printf ("No Device Function Table.\n");
187 		}
188 
189 		ret_val = FPGA_SUCCESS;
190 	} else {
191 		printf ("%s: Invalid device descriptor\n", __FUNCTION__);
192 	}
193 
194 	return ret_val;
195 }
196 
197 /* ------------------------------------------------------------------------- */
198 
199 static int altera_validate (Altera_desc * desc, const char *fn)
200 {
201 	int ret_val = false;
202 
203 	if (desc) {
204 		if ((desc->family > min_altera_type) &&
205 			(desc->family < max_altera_type)) {
206 			if ((desc->iface > min_altera_iface_type) &&
207 				(desc->iface < max_altera_iface_type)) {
208 				if (desc->size) {
209 					ret_val = true;
210 				} else {
211 					printf ("%s: NULL part size\n", fn);
212 				}
213 			} else {
214 				printf ("%s: Invalid Interface type, %d\n",
215 					fn, desc->iface);
216 			}
217 		} else {
218 			printf ("%s: Invalid family type, %d\n", fn, desc->family);
219 		}
220 	} else {
221 		printf ("%s: NULL descriptor!\n", fn);
222 	}
223 
224 	return ret_val;
225 }
226 
227 /* ------------------------------------------------------------------------- */
228