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1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2003
4  * Steven Scholz, imc Measurement & Control, [email protected]
5  *
6  * (C) Copyright 2002
7  * Rich Ireland, Enterasys Networks, [email protected].
8  */
9
10 /*
11  *  Altera FPGA support
12  */
13 #include <common.h>
14 #include <errno.h>
15 #include <ACEX1K.h>
16 #include <log.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_STRATIX_V)
41         { Altera_StratixV, "StratixV", stratixv_load, NULL, NULL },
42 #endif
43 #if defined(CONFIG_FPGA_SOCFPGA)
44         { Altera_SoCFPGA, "SoC FPGA", socfpga_load, NULL, NULL },
45 #endif
46 #if defined(CONFIG_FPGA_INTEL_SDM_MAILBOX)
47         { Intel_FPGA_SDM_Mailbox, "Intel SDM Mailbox", intel_sdm_mb_load, NULL,
48           NULL },
49 #endif
50 };
51
52 static int altera_validate(Altera_desc *desc, const char *fn)
53 {
54         if (!desc) {
55                 printf("%s: NULL descriptor!\n", fn);
56                 return -EINVAL;
57         }
58
59         if ((desc->family < min_altera_type) ||
60             (desc->family > max_altera_type)) {
61                 printf("%s: Invalid family type, %d\n", fn, desc->family);
62                 return -EINVAL;
63         }
64
65         if ((desc->iface < min_altera_iface_type) ||
66             (desc->iface > max_altera_iface_type)) {
67                 printf("%s: Invalid Interface type, %d\n", fn, desc->iface);
68                 return -EINVAL;
69         }
70
71         if (!desc->size) {
72                 printf("%s: NULL part size\n", fn);
73                 return -EINVAL;
74         }
75
76         return 0;
77 }
78
79 static const struct altera_fpga *
80 altera_desc_to_fpga(Altera_desc *desc, const char *fn)
81 {
82         int i;
83
84         if (altera_validate(desc, fn)) {
85                 printf("%s: Invalid device descriptor\n", fn);
86                 return NULL;
87         }
88
89         for (i = 0; i < ARRAY_SIZE(altera_fpga); i++) {
90                 if (desc->family == altera_fpga[i].family)
91                         break;
92         }
93
94         if (i == ARRAY_SIZE(altera_fpga)) {
95                 printf("%s: Unsupported family type, %d\n", fn, desc->family);
96                 return NULL;
97         }
98
99         return &altera_fpga[i];
100 }
101
102 int altera_load(Altera_desc *desc, const void *buf, size_t bsize)
103 {
104         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
105
106         if (!fpga)
107                 return FPGA_FAIL;
108
109         debug_cond(FPGA_DEBUG, "%s: Launching the %s Loader...\n",
110                    __func__, fpga->name);
111         if (fpga->load)
112                 return fpga->load(desc, buf, bsize);
113         return 0;
114 }
115
116 int altera_dump(Altera_desc *desc, const void *buf, size_t bsize)
117 {
118         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
119
120         if (!fpga)
121                 return FPGA_FAIL;
122
123         debug_cond(FPGA_DEBUG, "%s: Launching the %s Reader...\n",
124                    __func__, fpga->name);
125         if (fpga->dump)
126                 return fpga->dump(desc, buf, bsize);
127         return 0;
128 }
129
130 int altera_info(Altera_desc *desc)
131 {
132         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
133
134         if (!fpga)
135                 return FPGA_FAIL;
136
137         printf("Family:        \t%s\n", fpga->name);
138
139         printf("Interface type:\t");
140         switch (desc->iface) {
141         case passive_serial:
142                 printf("Passive Serial (PS)\n");
143                 break;
144         case passive_parallel_synchronous:
145                 printf("Passive Parallel Synchronous (PPS)\n");
146                 break;
147         case passive_parallel_asynchronous:
148                 printf("Passive Parallel Asynchronous (PPA)\n");
149                 break;
150         case passive_serial_asynchronous:
151                 printf("Passive Serial Asynchronous (PSA)\n");
152                 break;
153         case altera_jtag_mode:          /* Not used */
154                 printf("JTAG Mode\n");
155                 break;
156         case fast_passive_parallel:
157                 printf("Fast Passive Parallel (FPP)\n");
158                 break;
159         case fast_passive_parallel_security:
160                 printf("Fast Passive Parallel with Security (FPPS)\n");
161                 break;
162         case secure_device_manager_mailbox:
163                 puts("Secure Device Manager (SDM) Mailbox\n");
164                 break;
165                 /* Add new interface types here */
166         default:
167                 printf("Unsupported interface type, %d\n", desc->iface);
168         }
169
170         printf("Device Size:   \t%zd bytes\n"
171                "Cookie:        \t0x%x (%d)\n",
172                desc->size, desc->cookie, desc->cookie);
173
174         if (desc->iface_fns) {
175                 printf("Device Function Table @ 0x%p\n", desc->iface_fns);
176                 if (fpga->info)
177                         fpga->info(desc);
178         } else {
179                 printf("No Device Function Table.\n");
180         }
181
182         return FPGA_SUCCESS;
183 }
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