Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 1 | #include <console/console.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 2 | #include <ip_checksum.h> |
Stefan Reinauer | ca374d4 | 2008-01-18 16:16:45 +0000 | [diff] [blame] | 3 | #include <boot/coreboot_tables.h> |
| 4 | #include "coreboot_table.h" |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 5 | #include <string.h> |
| 6 | #include <version.h> |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 7 | #include <device/device.h> |
| 8 | #include <stdlib.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 9 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 10 | struct lb_header *lb_table_init(unsigned long addr) |
| 11 | { |
| 12 | struct lb_header *header; |
| 13 | |
| 14 | /* 16 byte align the address */ |
| 15 | addr += 15; |
| 16 | addr &= ~15; |
| 17 | |
| 18 | header = (void *)addr; |
| 19 | header->signature[0] = 'L'; |
| 20 | header->signature[1] = 'B'; |
| 21 | header->signature[2] = 'I'; |
| 22 | header->signature[3] = 'O'; |
| 23 | header->header_bytes = sizeof(*header); |
| 24 | header->header_checksum = 0; |
| 25 | header->table_bytes = 0; |
| 26 | header->table_checksum = 0; |
| 27 | header->table_entries = 0; |
| 28 | return header; |
| 29 | } |
| 30 | |
| 31 | struct lb_record *lb_first_record(struct lb_header *header) |
| 32 | { |
| 33 | struct lb_record *rec; |
| 34 | rec = (void *)(((char *)header) + sizeof(*header)); |
| 35 | return rec; |
| 36 | } |
| 37 | |
| 38 | struct lb_record *lb_last_record(struct lb_header *header) |
| 39 | { |
| 40 | struct lb_record *rec; |
| 41 | rec = (void *)(((char *)header) + sizeof(*header) + header->table_bytes); |
| 42 | return rec; |
| 43 | } |
| 44 | |
| 45 | struct lb_record *lb_next_record(struct lb_record *rec) |
| 46 | { |
| 47 | rec = (void *)(((char *)rec) + rec->size); |
| 48 | return rec; |
| 49 | } |
| 50 | |
| 51 | struct lb_record *lb_new_record(struct lb_header *header) |
| 52 | { |
| 53 | struct lb_record *rec; |
| 54 | rec = lb_last_record(header); |
| 55 | if (header->table_entries) { |
| 56 | header->table_bytes += rec->size; |
| 57 | } |
| 58 | rec = lb_last_record(header); |
| 59 | header->table_entries++; |
| 60 | rec->tag = LB_TAG_UNUSED; |
| 61 | rec->size = sizeof(*rec); |
| 62 | return rec; |
| 63 | } |
| 64 | |
| 65 | |
| 66 | struct lb_memory *lb_memory(struct lb_header *header) |
| 67 | { |
| 68 | struct lb_record *rec; |
| 69 | struct lb_memory *mem; |
| 70 | rec = lb_new_record(header); |
| 71 | mem = (struct lb_memory *)rec; |
| 72 | mem->tag = LB_TAG_MEMORY; |
| 73 | mem->size = sizeof(*mem); |
| 74 | return mem; |
| 75 | } |
| 76 | |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 77 | struct lb_serial *lb_serial(struct lb_header *header) |
| 78 | { |
| 79 | #if defined(TTYS0_BASE) |
| 80 | struct lb_record *rec; |
| 81 | struct lb_serial *serial; |
| 82 | rec = lb_new_record(header); |
| 83 | serial = (struct lb_serial *)rec; |
| 84 | serial->tag = LB_TAG_SERIAL; |
| 85 | serial->size = sizeof(*serial); |
| 86 | serial->ioport = TTYS0_BASE; |
Patrick Georgi | c2e8fd4 | 2008-06-29 06:41:12 +0000 | [diff] [blame] | 87 | serial->baud = TTYS0_BAUD; |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 88 | return serial; |
| 89 | #else |
| 90 | return header; |
| 91 | #endif |
| 92 | } |
| 93 | |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 94 | void add_console(struct lb_header *header, u16 consoletype) |
| 95 | { |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 96 | struct lb_console *console; |
Patrick Georgi | 16cdbb2 | 2009-04-21 20:14:31 +0000 | [diff] [blame] | 97 | |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 98 | console = (struct lb_console *)lb_new_record(header); |
| 99 | console->tag = LB_TAG_CONSOLE; |
| 100 | console->size = sizeof(*console); |
| 101 | console->type = consoletype; |
| 102 | } |
| 103 | |
| 104 | void lb_console(struct lb_header *header) |
| 105 | { |
| 106 | #ifdef CONFIG_CONSOLE_SERIAL8250 |
| 107 | add_console(header, LB_TAG_CONSOLE_SERIAL8250); |
| 108 | #endif |
| 109 | #ifdef CONFIG_CONSOLE_VGA |
| 110 | add_console(header, LB_TAG_CONSOLE_VGA); |
| 111 | #endif |
| 112 | #ifdef CONFIG_CONSOLE_BTEXT |
| 113 | add_console(header, LB_TAG_CONSOLE_BTEXT); |
| 114 | #endif |
| 115 | #ifdef CONFIG_CONSOLE_LOGBUF |
| 116 | add_console(header, LB_TAG_CONSOLE_LOGBUF); |
| 117 | #endif |
| 118 | #ifdef CONFIG_CONSOLE_SROM |
| 119 | add_console(header, LB_TAG_CONSOLE_SROM); |
| 120 | #endif |
| 121 | #ifdef CONFIG_USBDEBUG_DIRECT |
| 122 | add_console(header, LB_TAG_CONSOLE_EHCI); |
| 123 | #endif |
| 124 | } |
| 125 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 126 | struct lb_mainboard *lb_mainboard(struct lb_header *header) |
| 127 | { |
| 128 | struct lb_record *rec; |
| 129 | struct lb_mainboard *mainboard; |
| 130 | rec = lb_new_record(header); |
| 131 | mainboard = (struct lb_mainboard *)rec; |
| 132 | mainboard->tag = LB_TAG_MAINBOARD; |
| 133 | |
| 134 | mainboard->size = (sizeof(*mainboard) + |
| 135 | strlen(mainboard_vendor) + 1 + |
| 136 | strlen(mainboard_part_number) + 1 + |
| 137 | 3) & ~3; |
| 138 | |
| 139 | mainboard->vendor_idx = 0; |
| 140 | mainboard->part_number_idx = strlen(mainboard_vendor) + 1; |
| 141 | |
| 142 | memcpy(mainboard->strings + mainboard->vendor_idx, |
| 143 | mainboard_vendor, strlen(mainboard_vendor) + 1); |
| 144 | memcpy(mainboard->strings + mainboard->part_number_idx, |
| 145 | mainboard_part_number, strlen(mainboard_part_number) + 1); |
| 146 | |
| 147 | return mainboard; |
| 148 | } |
| 149 | |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 150 | struct cmos_checksum *lb_cmos_checksum(struct lb_header *header) |
| 151 | { |
| 152 | struct lb_record *rec; |
| 153 | struct cmos_checksum *cmos_checksum; |
| 154 | rec = lb_new_record(header); |
| 155 | cmos_checksum = (struct cmos_checksum *)rec; |
| 156 | cmos_checksum->tag = LB_TAG_OPTION_CHECKSUM; |
| 157 | |
| 158 | cmos_checksum->size = (sizeof(*cmos_checksum)); |
| 159 | |
| 160 | cmos_checksum->range_start = LB_CKS_RANGE_START * 8; |
| 161 | cmos_checksum->range_end = ( LB_CKS_RANGE_END * 8 ) + 7; |
| 162 | cmos_checksum->location = LB_CKS_LOC * 8; |
| 163 | cmos_checksum->type = CHECKSUM_PCBIOS; |
| 164 | |
| 165 | return cmos_checksum; |
| 166 | } |
| 167 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 168 | void lb_strings(struct lb_header *header) |
| 169 | { |
| 170 | static const struct { |
| 171 | uint32_t tag; |
Stefan Reinauer | 0dff6e3 | 2007-10-23 22:17:45 +0000 | [diff] [blame] | 172 | const char *string; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 173 | } strings[] = { |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 174 | { LB_TAG_VERSION, coreboot_version, }, |
| 175 | { LB_TAG_EXTRA_VERSION, coreboot_extra_version, }, |
| 176 | { LB_TAG_BUILD, coreboot_build, }, |
| 177 | { LB_TAG_COMPILE_TIME, coreboot_compile_time, }, |
| 178 | { LB_TAG_COMPILE_BY, coreboot_compile_by, }, |
| 179 | { LB_TAG_COMPILE_HOST, coreboot_compile_host, }, |
| 180 | { LB_TAG_COMPILE_DOMAIN, coreboot_compile_domain, }, |
| 181 | { LB_TAG_COMPILER, coreboot_compiler, }, |
| 182 | { LB_TAG_LINKER, coreboot_linker, }, |
| 183 | { LB_TAG_ASSEMBLER, coreboot_assembler, }, |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 184 | }; |
Eric Biederman | 5268557 | 2003-05-19 19:16:21 +0000 | [diff] [blame] | 185 | unsigned int i; |
Carl-Daniel Hailfinger | 2ee6779 | 2008-10-01 12:52:52 +0000 | [diff] [blame] | 186 | for(i = 0; i < ARRAY_SIZE(strings); i++) { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 187 | struct lb_string *rec; |
| 188 | size_t len; |
| 189 | rec = (struct lb_string *)lb_new_record(header); |
| 190 | len = strlen(strings[i].string); |
| 191 | rec->tag = strings[i].tag; |
| 192 | rec->size = (sizeof(*rec) + len + 1 + 3) & ~3; |
| 193 | memcpy(rec->string, strings[i].string, len+1); |
| 194 | } |
| 195 | |
| 196 | } |
| 197 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 198 | struct lb_forward *lb_forward(struct lb_header *header, struct lb_header *next_header) |
| 199 | { |
| 200 | struct lb_record *rec; |
| 201 | struct lb_forward *forward; |
| 202 | rec = lb_new_record(header); |
| 203 | forward = (struct lb_forward *)rec; |
| 204 | forward->tag = LB_TAG_FORWARD; |
| 205 | forward->size = sizeof(*forward); |
Stefan Reinauer | df77f34 | 2009-04-06 14:00:53 +0000 | [diff] [blame] | 206 | forward->forward = (uint64_t)(unsigned long)next_header; |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 207 | return forward; |
| 208 | } |
| 209 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 210 | void lb_memory_range(struct lb_memory *mem, |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 211 | uint32_t type, uint64_t start, uint64_t size) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 212 | { |
| 213 | int entries; |
| 214 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 215 | mem->map[entries].start = pack_lb64(start); |
| 216 | mem->map[entries].size = pack_lb64(size); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 217 | mem->map[entries].type = type; |
| 218 | mem->size += sizeof(mem->map[0]); |
| 219 | } |
| 220 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 221 | static void lb_reserve_table_memory(struct lb_header *head) |
| 222 | { |
| 223 | struct lb_record *last_rec; |
| 224 | struct lb_memory *mem; |
| 225 | uint64_t start; |
| 226 | uint64_t end; |
| 227 | int i, entries; |
| 228 | |
| 229 | last_rec = lb_last_record(head); |
| 230 | mem = get_lb_mem(); |
| 231 | start = (unsigned long)head; |
| 232 | end = (unsigned long)last_rec; |
| 233 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
| 234 | /* Resize the right two memory areas so this table is in |
| 235 | * a reserved area of memory. Everything has been carefully |
| 236 | * setup so that is all we need to do. |
| 237 | */ |
| 238 | for(i = 0; i < entries; i++ ) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 239 | uint64_t map_start = unpack_lb64(mem->map[i].start); |
| 240 | uint64_t map_end = map_start + unpack_lb64(mem->map[i].size); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 241 | /* Does this area need to be expanded? */ |
| 242 | if (map_end == start) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 243 | mem->map[i].size = pack_lb64(end - map_start); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 244 | } |
| 245 | /* Does this area need to be contracted? */ |
| 246 | else if (map_start == start) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 247 | mem->map[i].start = pack_lb64(end); |
| 248 | mem->map[i].size = pack_lb64(map_end - end); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 253 | static unsigned long lb_table_fini(struct lb_header *head, int fixup) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 254 | { |
| 255 | struct lb_record *rec, *first_rec; |
| 256 | rec = lb_last_record(head); |
| 257 | if (head->table_entries) { |
| 258 | head->table_bytes += rec->size; |
| 259 | } |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 260 | |
| 261 | if (fixup) |
| 262 | lb_reserve_table_memory(head); |
| 263 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 264 | first_rec = lb_first_record(head); |
| 265 | head->table_checksum = compute_ip_checksum(first_rec, head->table_bytes); |
| 266 | head->header_checksum = 0; |
| 267 | head->header_checksum = compute_ip_checksum(head, sizeof(*head)); |
Myles Watson | c4ddbff | 2009-02-09 17:52:54 +0000 | [diff] [blame] | 268 | printk_debug("Wrote coreboot table at: %p - %p checksum %x\n", |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 269 | head, rec, head->table_checksum); |
| 270 | return (unsigned long)rec; |
| 271 | } |
| 272 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 273 | static void lb_cleanup_memory_ranges(struct lb_memory *mem) |
| 274 | { |
| 275 | int entries; |
| 276 | int i, j; |
| 277 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
| 278 | |
| 279 | /* Sort the lb memory ranges */ |
| 280 | for(i = 0; i < entries; i++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 281 | uint64_t entry_start = unpack_lb64(mem->map[i].start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 282 | for(j = i; j < entries; j++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 283 | uint64_t temp_start = unpack_lb64(mem->map[j].start); |
| 284 | if (temp_start < entry_start) { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 285 | struct lb_memory_range tmp; |
| 286 | tmp = mem->map[i]; |
| 287 | mem->map[i] = mem->map[j]; |
| 288 | mem->map[j] = tmp; |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | /* Merge adjacent entries */ |
| 294 | for(i = 0; (i + 1) < entries; i++) { |
| 295 | uint64_t start, end, nstart, nend; |
| 296 | if (mem->map[i].type != mem->map[i + 1].type) { |
| 297 | continue; |
| 298 | } |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 299 | start = unpack_lb64(mem->map[i].start); |
| 300 | end = start + unpack_lb64(mem->map[i].size); |
| 301 | nstart = unpack_lb64(mem->map[i + 1].start); |
| 302 | nend = nstart + unpack_lb64(mem->map[i + 1].size); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 303 | if ((start <= nstart) && (end > nstart)) { |
| 304 | if (start > nstart) { |
| 305 | start = nstart; |
| 306 | } |
| 307 | if (end < nend) { |
| 308 | end = nend; |
| 309 | } |
| 310 | /* Record the new region size */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 311 | mem->map[i].start = pack_lb64(start); |
| 312 | mem->map[i].size = pack_lb64(end - start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 313 | |
| 314 | /* Delete the entry I have merged with */ |
| 315 | memmove(&mem->map[i + 1], &mem->map[i + 2], |
| 316 | ((entries - i - 2) * sizeof(mem->map[0]))); |
| 317 | mem->size -= sizeof(mem->map[0]); |
| 318 | entries -= 1; |
| 319 | /* See if I can merge with the next entry as well */ |
| 320 | i -= 1; |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | static void lb_remove_memory_range(struct lb_memory *mem, |
| 326 | uint64_t start, uint64_t size) |
| 327 | { |
| 328 | uint64_t end; |
| 329 | int entries; |
| 330 | int i; |
| 331 | |
| 332 | end = start + size; |
| 333 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
| 334 | |
| 335 | /* Remove a reserved area from the memory map */ |
| 336 | for(i = 0; i < entries; i++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 337 | uint64_t map_start = unpack_lb64(mem->map[i].start); |
| 338 | uint64_t map_end = map_start + unpack_lb64(mem->map[i].size); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 339 | if ((start <= map_start) && (end >= map_end)) { |
| 340 | /* Remove the completely covered range */ |
| 341 | memmove(&mem->map[i], &mem->map[i + 1], |
| 342 | ((entries - i - 1) * sizeof(mem->map[0]))); |
| 343 | mem->size -= sizeof(mem->map[0]); |
| 344 | entries -= 1; |
| 345 | /* Since the index will disappear revisit what will appear here */ |
| 346 | i -= 1; |
| 347 | } |
| 348 | else if ((start > map_start) && (end < map_end)) { |
| 349 | /* Split the memory range */ |
| 350 | memmove(&mem->map[i + 1], &mem->map[i], |
| 351 | ((entries - i) * sizeof(mem->map[0]))); |
| 352 | mem->size += sizeof(mem->map[0]); |
| 353 | entries += 1; |
| 354 | /* Update the first map entry */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 355 | mem->map[i].size = pack_lb64(start - map_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 356 | /* Update the second map entry */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 357 | mem->map[i + 1].start = pack_lb64(end); |
| 358 | mem->map[i + 1].size = pack_lb64(map_end - end); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 359 | /* Don't bother with this map entry again */ |
| 360 | i += 1; |
| 361 | } |
| 362 | else if ((start <= map_start) && (end > map_start)) { |
| 363 | /* Shrink the start of the memory range */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 364 | mem->map[i].start = pack_lb64(end); |
| 365 | mem->map[i].size = pack_lb64(map_end - end); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 366 | } |
| 367 | else if ((start < map_end) && (start > map_start)) { |
| 368 | /* Shrink the end of the memory range */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 369 | mem->map[i].size = pack_lb64(start - map_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
Stefan Reinauer | 045c348 | 2008-12-13 20:51:34 +0000 | [diff] [blame] | 374 | /* This function is used in mainboard specific code, too */ |
| 375 | void lb_add_memory_range(struct lb_memory *mem, |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 376 | uint32_t type, uint64_t start, uint64_t size) |
| 377 | { |
| 378 | lb_remove_memory_range(mem, start, size); |
| 379 | lb_memory_range(mem, type, start, size); |
| 380 | lb_cleanup_memory_ranges(mem); |
| 381 | } |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 382 | |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 383 | /* Routines to extract part so the coreboot table or |
| 384 | * information from the coreboot table after we have written it. |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 385 | * Currently get_lb_mem relies on a global we can change the |
| 386 | * implementaiton. |
| 387 | */ |
| 388 | static struct lb_memory *mem_ranges = 0; |
| 389 | struct lb_memory *get_lb_mem(void) |
| 390 | { |
| 391 | return mem_ranges; |
| 392 | } |
| 393 | |
Eric Biederman | f8a2ddd | 2004-10-30 08:05:41 +0000 | [diff] [blame] | 394 | static void build_lb_mem_range(void *gp, struct device *dev, struct resource *res) |
| 395 | { |
| 396 | struct lb_memory *mem = gp; |
| 397 | lb_memory_range(mem, LB_MEM_RAM, res->base, res->size); |
| 398 | } |
| 399 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 400 | static struct lb_memory *build_lb_mem(struct lb_header *head) |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 401 | { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 402 | struct lb_memory *mem; |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 403 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 404 | /* Record where the lb memory ranges will live */ |
| 405 | mem = lb_memory(head); |
| 406 | mem_ranges = mem; |
| 407 | |
| 408 | /* Build the raw table of memory */ |
Eric Biederman | f8a2ddd | 2004-10-30 08:05:41 +0000 | [diff] [blame] | 409 | search_global_resources( |
| 410 | IORESOURCE_MEM | IORESOURCE_CACHEABLE, IORESOURCE_MEM | IORESOURCE_CACHEABLE, |
| 411 | build_lb_mem_range, mem); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 412 | lb_cleanup_memory_ranges(mem); |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 413 | return mem; |
| 414 | } |
| 415 | |
Patrick Georgi | bccaafc | 2009-04-28 12:57:25 +0000 | [diff] [blame] | 416 | #if HAVE_HIGH_TABLES == 1 |
| 417 | extern uint64_t high_tables_base, high_tables_size; |
| 418 | #endif |
| 419 | |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 420 | unsigned long write_coreboot_table( |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 421 | unsigned long low_table_start, unsigned long low_table_end, |
| 422 | unsigned long rom_table_start, unsigned long rom_table_end) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 423 | { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 424 | struct lb_header *head; |
| 425 | struct lb_memory *mem; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 426 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 427 | #if HAVE_HIGH_TABLES == 1 |
| 428 | printk_debug("Writing high table forward entry at 0x%08lx\n", |
| 429 | low_table_end); |
| 430 | head = lb_table_init(low_table_end); |
Myles Watson | fa12b67 | 2009-04-30 22:45:41 +0000 | [diff] [blame] | 431 | lb_forward(head, (struct lb_header*)rom_table_end); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 432 | |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame^] | 433 | low_table_end = (unsigned long) lb_table_fini(head, 0); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 434 | printk_debug("New low_table_end: 0x%08lx\n", low_table_end); |
| 435 | printk_debug("Now going to write high coreboot table at 0x%08lx\n", |
| 436 | rom_table_end); |
| 437 | |
| 438 | head = lb_table_init(rom_table_end); |
| 439 | rom_table_end = (unsigned long)head; |
| 440 | printk_debug("rom_table_end = 0x%08lx\n", rom_table_end); |
| 441 | #else |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 442 | if(low_table_end > (0x1000 - sizeof(struct lb_header))) { /* after 4K */ |
| 443 | /* We need to put lbtable on to [0xf0000,0x100000) */ |
| 444 | head = lb_table_init(rom_table_end); |
| 445 | rom_table_end = (unsigned long)head; |
| 446 | } else { |
| 447 | head = lb_table_init(low_table_end); |
| 448 | low_table_end = (unsigned long)head; |
| 449 | } |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 450 | #endif |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 451 | |
Myles Watson | c4ddbff | 2009-02-09 17:52:54 +0000 | [diff] [blame] | 452 | printk_debug("Adjust low_table_end from 0x%08lx to ", low_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 453 | low_table_end += 0xfff; // 4K aligned |
| 454 | low_table_end &= ~0xfff; |
Myles Watson | c4ddbff | 2009-02-09 17:52:54 +0000 | [diff] [blame] | 455 | printk_debug("0x%08lx \n", low_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 456 | |
| 457 | /* The Linux kernel assumes this region is reserved */ |
Myles Watson | c4ddbff | 2009-02-09 17:52:54 +0000 | [diff] [blame] | 458 | printk_debug("Adjust rom_table_end from 0x%08lx to ", rom_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 459 | rom_table_end += 0xffff; // 64K align |
| 460 | rom_table_end &= ~0xffff; |
Myles Watson | c4ddbff | 2009-02-09 17:52:54 +0000 | [diff] [blame] | 461 | printk_debug("0x%08lx \n", rom_table_end); |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 462 | |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 463 | #if (HAVE_OPTION_TABLE == 1) |
| 464 | { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 465 | struct lb_record *rec_dest, *rec_src; |
| 466 | /* Write the option config table... */ |
| 467 | rec_dest = lb_new_record(head); |
Eric Biederman | a9e632c | 2004-11-18 22:38:08 +0000 | [diff] [blame] | 468 | rec_src = (struct lb_record *)(void *)&option_table; |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 469 | memcpy(rec_dest, rec_src, rec_src->size); |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 470 | /* Create cmos checksum entry in coreboot table */ |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 471 | lb_cmos_checksum(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 472 | } |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 473 | #endif |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 474 | /* Record where RAM is located */ |
| 475 | mem = build_lb_mem(head); |
| 476 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 477 | /* Record the mptable and the the lb_table (This will be adjusted later) */ |
| 478 | lb_add_memory_range(mem, LB_MEM_TABLE, |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 479 | low_table_start, low_table_end - low_table_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 480 | |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 481 | /* Record the pirq table, acpi tables, and maybe the mptable */ |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 482 | lb_add_memory_range(mem, LB_MEM_TABLE, |
Roman Kononov | 96e3022 | 2008-07-23 23:22:59 +0000 | [diff] [blame] | 483 | rom_table_start, rom_table_end-rom_table_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 484 | |
Patrick Georgi | bccaafc | 2009-04-28 12:57:25 +0000 | [diff] [blame] | 485 | #if HAVE_HIGH_TABLES == 1 |
| 486 | printk_debug("Adding high table area\n"); |
| 487 | lb_add_memory_range(mem, LB_MEM_TABLE, |
| 488 | high_tables_base, high_tables_size); |
| 489 | #endif |
| 490 | |
Stefan Reinauer | 045c348 | 2008-12-13 20:51:34 +0000 | [diff] [blame] | 491 | #if (HAVE_MAINBOARD_RESOURCES == 1) |
| 492 | add_mainboard_resources(mem); |
Michael Xie | 06755e4 | 2008-09-22 13:07:20 +0000 | [diff] [blame] | 493 | #endif |
| 494 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 495 | /* Note: |
| 496 | * I assume that there is always memory at immediately after |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 497 | * the low_table_end. This means that after I setup the coreboot table. |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 498 | * I can trivially fixup the reserved memory ranges to hold the correct |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 499 | * size of the coreboot table. |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 500 | */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 501 | |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 502 | /* Record our motherboard */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 503 | lb_mainboard(head); |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 504 | /* Record the serial port, if present */ |
| 505 | lb_serial(head); |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 506 | /* Record our console setup */ |
| 507 | lb_console(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 508 | /* Record our various random string information */ |
| 509 | lb_strings(head); |
| 510 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 511 | /* Remember where my valid memory ranges are */ |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 512 | return lb_table_fini(head, 1); |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 513 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 514 | } |