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Restore patch series "arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"
[u-boot.git] / drivers / fpga / altera.c
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 #define LOG_CATEGORY UCLASS_FPGA
11
12 /*
13  *  Altera FPGA support
14  */
15 #include <errno.h>
16 #include <ACEX1K.h>
17 #include <log.h>
18 #include <stratixII.h>
19
20 static const struct altera_fpga {
21         enum altera_family      family;
22         const char              *name;
23         int                     (*load)(Altera_desc *, const void *, size_t);
24         int                     (*dump)(Altera_desc *, const void *, size_t);
25         int                     (*info)(Altera_desc *);
26 } altera_fpga[] = {
27 #if defined(CONFIG_FPGA_ACEX1K)
28         { Altera_ACEX1K, "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info },
29         { Altera_CYC2,   "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info },
30 #elif defined(CONFIG_FPGA_CYCLON2)
31         { Altera_ACEX1K, "CycloneII", CYC2_load, CYC2_dump, CYC2_info },
32         { Altera_CYC2,   "CycloneII", CYC2_load, CYC2_dump, CYC2_info },
33 #endif
34 #if defined(CONFIG_FPGA_STRATIX_II)
35         { Altera_StratixII, "StratixII", StratixII_load,
36           StratixII_dump, StratixII_info },
37 #endif
38 #if defined(CONFIG_FPGA_STRATIX_V)
39         { Altera_StratixV, "StratixV", stratixv_load, NULL, NULL },
40 #endif
41 #if defined(CONFIG_FPGA_SOCFPGA)
42         { Altera_SoCFPGA, "SoC FPGA", socfpga_load, NULL, NULL },
43 #endif
44 #if defined(CONFIG_FPGA_INTEL_SDM_MAILBOX)
45         { Intel_FPGA_SDM_Mailbox, "Intel SDM Mailbox", intel_sdm_mb_load, NULL,
46           NULL },
47 #endif
48 };
49
50 static int altera_validate(Altera_desc *desc, const char *fn)
51 {
52         if (!desc) {
53                 printf("%s: NULL descriptor!\n", fn);
54                 return -EINVAL;
55         }
56
57         if ((desc->family < min_altera_type) ||
58             (desc->family > max_altera_type)) {
59                 printf("%s: Invalid family type, %d\n", fn, desc->family);
60                 return -EINVAL;
61         }
62
63         if ((desc->iface < min_altera_iface_type) ||
64             (desc->iface > max_altera_iface_type)) {
65                 printf("%s: Invalid Interface type, %d\n", fn, desc->iface);
66                 return -EINVAL;
67         }
68
69         if (!desc->size) {
70                 printf("%s: NULL part size\n", fn);
71                 return -EINVAL;
72         }
73
74         return 0;
75 }
76
77 static const struct altera_fpga *
78 altera_desc_to_fpga(Altera_desc *desc, const char *fn)
79 {
80         int i;
81
82         if (altera_validate(desc, fn)) {
83                 printf("%s: Invalid device descriptor\n", fn);
84                 return NULL;
85         }
86
87         for (i = 0; i < ARRAY_SIZE(altera_fpga); i++) {
88                 if (desc->family == altera_fpga[i].family)
89                         break;
90         }
91
92         if (i == ARRAY_SIZE(altera_fpga)) {
93                 printf("%s: Unsupported family type, %d\n", fn, desc->family);
94                 return NULL;
95         }
96
97         return &altera_fpga[i];
98 }
99
100 int altera_load(Altera_desc *desc, const void *buf, size_t bsize)
101 {
102         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
103
104         if (!fpga)
105                 return FPGA_FAIL;
106
107         log_debug("Launching the %s Loader...\n", fpga->name);
108         if (fpga->load)
109                 return fpga->load(desc, buf, bsize);
110         return 0;
111 }
112
113 int altera_dump(Altera_desc *desc, const void *buf, size_t bsize)
114 {
115         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
116
117         if (!fpga)
118                 return FPGA_FAIL;
119
120         log_debug("Launching the %s Reader...\n", fpga->name);
121         if (fpga->dump)
122                 return fpga->dump(desc, buf, bsize);
123         return 0;
124 }
125
126 int altera_info(Altera_desc *desc)
127 {
128         const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__);
129
130         if (!fpga)
131                 return FPGA_FAIL;
132
133         printf("Family:        \t%s\n", fpga->name);
134
135         printf("Interface type:\t");
136         switch (desc->iface) {
137         case passive_serial:
138                 printf("Passive Serial (PS)\n");
139                 break;
140         case passive_parallel_synchronous:
141                 printf("Passive Parallel Synchronous (PPS)\n");
142                 break;
143         case passive_parallel_asynchronous:
144                 printf("Passive Parallel Asynchronous (PPA)\n");
145                 break;
146         case passive_serial_asynchronous:
147                 printf("Passive Serial Asynchronous (PSA)\n");
148                 break;
149         case altera_jtag_mode:          /* Not used */
150                 printf("JTAG Mode\n");
151                 break;
152         case fast_passive_parallel:
153                 printf("Fast Passive Parallel (FPP)\n");
154                 break;
155         case fast_passive_parallel_security:
156                 printf("Fast Passive Parallel with Security (FPPS)\n");
157                 break;
158         case secure_device_manager_mailbox:
159                 puts("Secure Device Manager (SDM) Mailbox\n");
160                 break;
161                 /* Add new interface types here */
162         default:
163                 printf("Unsupported interface type, %d\n", desc->iface);
164         }
165
166         printf("Device Size:   \t%zd bytes\n"
167                "Cookie:        \t0x%x (%d)\n",
168                desc->size, desc->cookie, desc->cookie);
169
170         if (desc->iface_fns) {
171                 printf("Device Function Table @ 0x%p\n", desc->iface_fns);
172                 if (fpga->info)
173                         fpga->info(desc);
174         } else {
175                 printf("No Device Function Table.\n");
176         }
177
178         return FPGA_SUCCESS;
179 }
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