1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2003 4 * Steven Scholz, imc Measurement & Control, steven.scholz@imc-berlin.de 5 * 6 * (C) Copyright 2002 7 * Rich Ireland, Enterasys Networks, rireland@enterasys.com. 8 */ 9 10 /* 11 * Altera FPGA support 12 */ 13 #include <common.h> 14 #include <errno.h> 15 #include <ACEX1K.h> 16 #include <stratixII.h> 17 18 /* Define FPGA_DEBUG to 1 to get debug printf's */ 19 #define FPGA_DEBUG 0 20 21 static const struct altera_fpga { 22 enum altera_family family; 23 const char *name; 24 int (*load)(Altera_desc *, const void *, size_t); 25 int (*dump)(Altera_desc *, const void *, size_t); 26 int (*info)(Altera_desc *); 27 } altera_fpga[] = { 28 #if defined(CONFIG_FPGA_ACEX1K) 29 { Altera_ACEX1K, "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info }, 30 { Altera_CYC2, "ACEX1K", ACEX1K_load, ACEX1K_dump, ACEX1K_info }, 31 #elif defined(CONFIG_FPGA_CYCLON2) 32 { Altera_ACEX1K, "CycloneII", CYC2_load, CYC2_dump, CYC2_info }, 33 { Altera_CYC2, "CycloneII", CYC2_load, CYC2_dump, CYC2_info }, 34 #endif 35 #if defined(CONFIG_FPGA_STRATIX_II) 36 { Altera_StratixII, "StratixII", StratixII_load, 37 StratixII_dump, StratixII_info }, 38 #endif 39 #if defined(CONFIG_FPGA_STRATIX_V) 40 { Altera_StratixV, "StratixV", stratixv_load, NULL, NULL }, 41 #endif 42 #if defined(CONFIG_FPGA_SOCFPGA) 43 { Altera_SoCFPGA, "SoC FPGA", socfpga_load, NULL, NULL }, 44 #endif 45 }; 46 47 static int altera_validate(Altera_desc *desc, const char *fn) 48 { 49 if (!desc) { 50 printf("%s: NULL descriptor!\n", fn); 51 return -EINVAL; 52 } 53 54 if ((desc->family < min_altera_type) || 55 (desc->family > max_altera_type)) { 56 printf("%s: Invalid family type, %d\n", fn, desc->family); 57 return -EINVAL; 58 } 59 60 if ((desc->iface < min_altera_iface_type) || 61 (desc->iface > max_altera_iface_type)) { 62 printf("%s: Invalid Interface type, %d\n", fn, desc->iface); 63 return -EINVAL; 64 } 65 66 if (!desc->size) { 67 printf("%s: NULL part size\n", fn); 68 return -EINVAL; 69 } 70 71 return 0; 72 } 73 74 static const struct altera_fpga * 75 altera_desc_to_fpga(Altera_desc *desc, const char *fn) 76 { 77 int i; 78 79 if (altera_validate(desc, fn)) { 80 printf("%s: Invalid device descriptor\n", fn); 81 return NULL; 82 } 83 84 for (i = 0; i < ARRAY_SIZE(altera_fpga); i++) { 85 if (desc->family == altera_fpga[i].family) 86 break; 87 } 88 89 if (i == ARRAY_SIZE(altera_fpga)) { 90 printf("%s: Unsupported family type, %d\n", fn, desc->family); 91 return NULL; 92 } 93 94 return &altera_fpga[i]; 95 } 96 97 int altera_load(Altera_desc *desc, const void *buf, size_t bsize) 98 { 99 const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__); 100 101 if (!fpga) 102 return FPGA_FAIL; 103 104 debug_cond(FPGA_DEBUG, "%s: Launching the %s Loader...\n", 105 __func__, fpga->name); 106 if (fpga->load) 107 return fpga->load(desc, buf, bsize); 108 return 0; 109 } 110 111 int altera_dump(Altera_desc *desc, const void *buf, size_t bsize) 112 { 113 const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__); 114 115 if (!fpga) 116 return FPGA_FAIL; 117 118 debug_cond(FPGA_DEBUG, "%s: Launching the %s Reader...\n", 119 __func__, fpga->name); 120 if (fpga->dump) 121 return fpga->dump(desc, buf, bsize); 122 return 0; 123 } 124 125 int altera_info(Altera_desc *desc) 126 { 127 const struct altera_fpga *fpga = altera_desc_to_fpga(desc, __func__); 128 129 if (!fpga) 130 return FPGA_FAIL; 131 132 printf("Family: \t%s\n", fpga->name); 133 134 printf("Interface type:\t"); 135 switch (desc->iface) { 136 case passive_serial: 137 printf("Passive Serial (PS)\n"); 138 break; 139 case passive_parallel_synchronous: 140 printf("Passive Parallel Synchronous (PPS)\n"); 141 break; 142 case passive_parallel_asynchronous: 143 printf("Passive Parallel Asynchronous (PPA)\n"); 144 break; 145 case passive_serial_asynchronous: 146 printf("Passive Serial Asynchronous (PSA)\n"); 147 break; 148 case altera_jtag_mode: /* Not used */ 149 printf("JTAG Mode\n"); 150 break; 151 case fast_passive_parallel: 152 printf("Fast Passive Parallel (FPP)\n"); 153 break; 154 case fast_passive_parallel_security: 155 printf("Fast Passive Parallel with Security (FPPS)\n"); 156 break; 157 /* Add new interface types here */ 158 default: 159 printf("Unsupported interface type, %d\n", desc->iface); 160 } 161 162 printf("Device Size: \t%zd bytes\n" 163 "Cookie: \t0x%x (%d)\n", 164 desc->size, desc->cookie, desc->cookie); 165 166 if (desc->iface_fns) { 167 printf("Device Function Table @ 0x%p\n", desc->iface_fns); 168 if (fpga->info) 169 fpga->info(desc); 170 } else { 171 printf("No Device Function Table.\n"); 172 } 173 174 return FPGA_SUCCESS; 175 } 176