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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 <errno.h>
16 #include <ACEX1K.h>
17 #include <stratixII.h>
18
19 /* Define FPGA_DEBUG to 1 to get debug printf's */
20 #define FPGA_DEBUG      0
21
22 static const struct altera_fpga {
23         enum altera_family      family;
24         const char              *name;
25         int                     (*load)(Altera_desc *, const void *, size_t);
26         int                     (*dump)(Altera_desc *, const void *, size_t);
27         int                     (*info)(Altera_desc *);
28 } altera_fpga[] = {
29 #if defined(CONFIG_FPGA_ACEX1K)
30         { Altera_ACEX1K, "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info },
31         { Altera_CYC2,   "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info },
32 #elif defined(CONFIG_FPGA_CYCLON2)
33         { Altera_ACEX1K, "CycloneII", CYC2_load, CYC2_dump, CYC2_info },
34         { Altera_CYC2,   "CycloneII", CYC2_load, CYC2_dump, CYC2_info },
35 #endif
36 #if defined(CONFIG_FPGA_STRATIX_II)
37         { Altera_StratixII, "StratixII", StratixII_load,
38           StratixII_dump, StratixII_info },
39 #endif
40 #if defined(CONFIG_FPGA_SOCFPGA)
41         { Altera_SoCFPGA, "SoC FPGA", socfpga_load, NULL, NULL },
42 #endif
43 };
44
45 static int altera_validate(Altera_desc *desc, const char *fn)
46 {
47         if (!desc) {
48                 printf("%s: NULL descriptor!\n", fn);
49                 return -EINVAL;
50         }
51
52         if ((desc->family < min_altera_type) ||
53             (desc->family > max_altera_type)) {
54                 printf("%s: Invalid family type, %d\n", fn, desc->family);
55                 return -EINVAL;
56         }
57
58         if ((desc->iface < min_altera_iface_type) ||
59             (desc->iface > max_altera_iface_type)) {
60                 printf("%s: Invalid Interface type, %d\n", fn, desc->iface);
61                 return -EINVAL;
62         }
63
64         if (!desc->size) {
65                 printf("%s: NULL part size\n", fn);
66                 return -EINVAL;
67         }
68
69         return 0;
70 }
71
72 static const struct altera_fpga *
73 altera_desc_to_fpga(Altera_desc *desc, const char *fn)
74 {
75         int i;
76
77         if (altera_validate(desc, fn)) {
78                 printf("%s: Invalid device descriptor\n", fn);
79                 return NULL;
80         }
81
82         for (i = 0; i < ARRAY_SIZE(altera_fpga); i++) {
83                 if (desc->family == altera_fpga[i].family)
84                         break;
85         }
86
87         if (i == ARRAY_SIZE(altera_fpga)) {
88                 printf("%s: Unsupported family type, %d\n", fn, desc->family);
89                 return NULL;
90         }
91
92         return &altera_fpga[i];
93 }
94
95 int altera_load(Altera_desc *desc, const void *buf, size_t bsize)
96 {
97         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
98
99         if (!fpga)
100                 return FPGA_FAIL;
101
102         debug_cond(FPGA_DEBUG, "%s: Launching the %s Loader...\n",
103                    __func__, fpga->name);
104         if (fpga->load)
105                 return fpga->load(desc, buf, bsize);
106         return 0;
107 }
108
109 int altera_dump(Altera_desc *desc, const void *buf, size_t bsize)
110 {
111         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
112
113         if (!fpga)
114                 return FPGA_FAIL;
115
116         debug_cond(FPGA_DEBUG, "%s: Launching the %s Reader...\n",
117                    __func__, fpga->name);
118         if (fpga->dump)
119                 return fpga->dump(desc, buf, bsize);
120         return 0;
121 }
122
123 int altera_info(Altera_desc *desc)
124 {
125         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
126
127         if (!fpga)
128                 return FPGA_FAIL;
129
130         printf("Family:        \t%s\n", fpga->name);
131
132         printf("Interface type:\t");
133         switch (desc->iface) {
134         case passive_serial:
135                 printf("Passive Serial (PS)\n");
136                 break;
137         case passive_parallel_synchronous:
138                 printf("Passive Parallel Synchronous (PPS)\n");
139                 break;
140         case passive_parallel_asynchronous:
141                 printf("Passive Parallel Asynchronous (PPA)\n");
142                 break;
143         case passive_serial_asynchronous:
144                 printf("Passive Serial Asynchronous (PSA)\n");
145                 break;
146         case altera_jtag_mode:          /* Not used */
147                 printf("JTAG Mode\n");
148                 break;
149         case fast_passive_parallel:
150                 printf("Fast Passive Parallel (FPP)\n");
151                 break;
152         case fast_passive_parallel_security:
153                 printf("Fast Passive Parallel with Security (FPPS)\n");
154                 break;
155                 /* Add new interface types here */
156         default:
157                 printf("Unsupported interface type, %d\n", desc->iface);
158         }
159
160         printf("Device Size:   \t%zd bytes\n"
161                "Cookie:        \t0x%x (%d)\n",
162                desc->size, desc->cookie, desc->cookie);
163
164         if (desc->iface_fns) {
165                 printf("Device Function Table @ 0x%p\n", desc->iface_fns);
166                 if (fpga->info)
167                         fpga->info(desc);
168         } else {
169                 printf("No Device Function Table.\n");
170         }
171
172         return FPGA_SUCCESS;
173 }