Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 3 | * |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 4 | * Copyright (C) 2003-2004 Eric Biederman |
Stefan Reinauer | b5828d7 | 2010-03-29 17:14:28 +0000 | [diff] [blame] | 5 | * Copyright (C) 2005-2010 coresystems GmbH |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; version 2 of |
| 10 | * the License. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| 20 | * MA 02110-1301 USA |
| 21 | */ |
| 22 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 23 | #include <console/console.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 24 | #include <ip_checksum.h> |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 25 | #include <boot/tables.h> |
Stefan Reinauer | ca374d4 | 2008-01-18 16:16:45 +0000 | [diff] [blame] | 26 | #include <boot/coreboot_tables.h> |
Stefan Reinauer | de3206a | 2010-02-22 06:09:43 +0000 | [diff] [blame] | 27 | #include <arch/coreboot_tables.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 28 | #include <string.h> |
| 29 | #include <version.h> |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 30 | #include <device/device.h> |
| 31 | #include <stdlib.h> |
Duncan Laurie | 66ecdc5 | 2011-08-15 16:35:10 -0700 | [diff] [blame] | 32 | #include <cbfs.h> |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 33 | #include <cbmem.h> |
Stefan Reinauer | c75bfde | 2011-08-15 11:26:35 -0700 | [diff] [blame] | 34 | #if CONFIG_USE_OPTION_TABLE |
Stefan Reinauer | 8e726b7 | 2010-03-29 23:01:35 +0000 | [diff] [blame] | 35 | #include <option_table.h> |
Stefan Reinauer | b5828d7 | 2010-03-29 17:14:28 +0000 | [diff] [blame] | 36 | #endif |
Stefan Reinauer | 0e672b5 | 2012-04-27 00:34:54 +0200 | [diff] [blame] | 37 | #if CONFIG_CHROMEOS |
| 38 | #include <arch/acpi.h> |
| 39 | #include <vendorcode/google/chromeos/gnvs.h> |
| 40 | #endif |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 41 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 42 | static struct lb_header *lb_table_init(unsigned long addr) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 43 | { |
| 44 | struct lb_header *header; |
| 45 | |
| 46 | /* 16 byte align the address */ |
| 47 | addr += 15; |
| 48 | addr &= ~15; |
| 49 | |
| 50 | header = (void *)addr; |
| 51 | header->signature[0] = 'L'; |
| 52 | header->signature[1] = 'B'; |
| 53 | header->signature[2] = 'I'; |
| 54 | header->signature[3] = 'O'; |
| 55 | header->header_bytes = sizeof(*header); |
| 56 | header->header_checksum = 0; |
| 57 | header->table_bytes = 0; |
| 58 | header->table_checksum = 0; |
| 59 | header->table_entries = 0; |
| 60 | return header; |
| 61 | } |
| 62 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 63 | static struct lb_record *lb_first_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 64 | { |
| 65 | struct lb_record *rec; |
| 66 | rec = (void *)(((char *)header) + sizeof(*header)); |
| 67 | return rec; |
| 68 | } |
| 69 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 70 | static struct lb_record *lb_last_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 71 | { |
| 72 | struct lb_record *rec; |
| 73 | rec = (void *)(((char *)header) + sizeof(*header) + header->table_bytes); |
| 74 | return rec; |
| 75 | } |
| 76 | |
Myles Watson | 2e67273 | 2009-11-12 16:38:03 +0000 | [diff] [blame] | 77 | #if 0 |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 78 | static struct lb_record *lb_next_record(struct lb_record *rec) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 79 | { |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 80 | rec = (void *)(((char *)rec) + rec->size); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 81 | return rec; |
| 82 | } |
Myles Watson | 2e67273 | 2009-11-12 16:38:03 +0000 | [diff] [blame] | 83 | #endif |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 84 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 85 | static struct lb_record *lb_new_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 86 | { |
| 87 | struct lb_record *rec; |
| 88 | rec = lb_last_record(header); |
| 89 | if (header->table_entries) { |
| 90 | header->table_bytes += rec->size; |
| 91 | } |
| 92 | rec = lb_last_record(header); |
| 93 | header->table_entries++; |
| 94 | rec->tag = LB_TAG_UNUSED; |
| 95 | rec->size = sizeof(*rec); |
| 96 | return rec; |
| 97 | } |
| 98 | |
| 99 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 100 | static struct lb_memory *lb_memory(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 101 | { |
| 102 | struct lb_record *rec; |
| 103 | struct lb_memory *mem; |
| 104 | rec = lb_new_record(header); |
| 105 | mem = (struct lb_memory *)rec; |
| 106 | mem->tag = LB_TAG_MEMORY; |
| 107 | mem->size = sizeof(*mem); |
| 108 | return mem; |
| 109 | } |
| 110 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 111 | static struct lb_serial *lb_serial(struct lb_header *header) |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 112 | { |
Myles Watson | ec0ee64 | 2009-10-19 16:21:30 +0000 | [diff] [blame] | 113 | #if CONFIG_CONSOLE_SERIAL8250 |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 114 | struct lb_record *rec; |
| 115 | struct lb_serial *serial; |
| 116 | rec = lb_new_record(header); |
| 117 | serial = (struct lb_serial *)rec; |
| 118 | serial->tag = LB_TAG_SERIAL; |
| 119 | serial->size = sizeof(*serial); |
Stefan Reinauer | d1bc331 | 2011-06-22 16:39:19 -0700 | [diff] [blame] | 120 | serial->type = LB_SERIAL_TYPE_IO_MAPPED; |
| 121 | serial->baseaddr = CONFIG_TTYS0_BASE; |
| 122 | serial->baud = CONFIG_TTYS0_BAUD; |
| 123 | return serial; |
| 124 | #elif CONFIG_CONSOLE_SERIAL8250MEM |
Gabe Black | 32829ca | 2011-10-05 01:57:03 -0700 | [diff] [blame] | 125 | if (uartmem_getbaseaddr()) { |
| 126 | struct lb_record *rec; |
| 127 | struct lb_serial *serial; |
| 128 | rec = lb_new_record(header); |
| 129 | serial = (struct lb_serial *)rec; |
| 130 | serial->tag = LB_TAG_SERIAL; |
| 131 | serial->size = sizeof(*serial); |
| 132 | serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED; |
| 133 | serial->baseaddr = uartmem_getbaseaddr(); |
| 134 | serial->baud = CONFIG_TTYS0_BAUD; |
| 135 | return serial; |
| 136 | } else { |
| 137 | return NULL; |
| 138 | } |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 139 | #else |
Stefan Reinauer | 40e42a8 | 2011-04-14 21:05:41 +0000 | [diff] [blame] | 140 | return NULL; |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 141 | #endif |
| 142 | } |
| 143 | |
Stefan Reinauer | 513eb5a | 2011-06-01 14:04:50 -0700 | [diff] [blame] | 144 | #if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM || \ |
| 145 | CONFIG_CONSOLE_LOGBUF || CONFIG_USBDEBUG |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 146 | static void add_console(struct lb_header *header, u16 consoletype) |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 147 | { |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 148 | struct lb_console *console; |
Patrick Georgi | 16cdbb2 | 2009-04-21 20:14:31 +0000 | [diff] [blame] | 149 | |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 150 | console = (struct lb_console *)lb_new_record(header); |
| 151 | console->tag = LB_TAG_CONSOLE; |
| 152 | console->size = sizeof(*console); |
| 153 | console->type = consoletype; |
| 154 | } |
Stefan Reinauer | 513eb5a | 2011-06-01 14:04:50 -0700 | [diff] [blame] | 155 | #endif |
| 156 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 157 | static void lb_console(struct lb_header *header) |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 158 | { |
Myles Watson | ec0ee64 | 2009-10-19 16:21:30 +0000 | [diff] [blame] | 159 | #if CONFIG_CONSOLE_SERIAL8250 |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 160 | add_console(header, LB_TAG_CONSOLE_SERIAL8250); |
| 161 | #endif |
Stefan Reinauer | 4885daa | 2011-04-26 23:47:04 +0000 | [diff] [blame] | 162 | #if CONFIG_CONSOLE_SERIAL8250MEM |
| 163 | add_console(header, LB_TAG_CONSOLE_SERIAL8250MEM); |
| 164 | #endif |
Myles Watson | ec0ee64 | 2009-10-19 16:21:30 +0000 | [diff] [blame] | 165 | #if CONFIG_CONSOLE_LOGBUF |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 166 | add_console(header, LB_TAG_CONSOLE_LOGBUF); |
| 167 | #endif |
Stefan Reinauer | 7e00a44 | 2010-05-25 17:09:05 +0000 | [diff] [blame] | 168 | #if CONFIG_USBDEBUG |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 169 | add_console(header, LB_TAG_CONSOLE_EHCI); |
| 170 | #endif |
| 171 | } |
| 172 | |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 173 | static void lb_framebuffer(struct lb_header *header) |
| 174 | { |
Stefan Reinauer | c1efb90 | 2011-10-12 14:30:59 -0700 | [diff] [blame] | 175 | #if CONFIG_FRAMEBUFFER_KEEP_VESA_MODE |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 176 | void fill_lb_framebuffer(struct lb_framebuffer *framebuffer); |
Gabe Black | fb8632a | 2012-09-30 04:47:48 -0700 | [diff] [blame] | 177 | int vbe_mode_info_valid(void); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 178 | |
Gabe Black | fb8632a | 2012-09-30 04:47:48 -0700 | [diff] [blame] | 179 | // If there isn't any mode info to put in the table, don't ask for it |
| 180 | // to be filled with junk. |
| 181 | if (!vbe_mode_info_valid()) |
| 182 | return; |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 183 | struct lb_framebuffer *framebuffer; |
| 184 | framebuffer = (struct lb_framebuffer *)lb_new_record(header); |
| 185 | framebuffer->tag = LB_TAG_FRAMEBUFFER; |
| 186 | framebuffer->size = sizeof(*framebuffer); |
| 187 | fill_lb_framebuffer(framebuffer); |
| 188 | #endif |
| 189 | } |
| 190 | |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 191 | #if CONFIG_CHROMEOS |
| 192 | static void lb_gpios(struct lb_header *header) |
| 193 | { |
| 194 | struct lb_gpios *gpios; |
| 195 | gpios = (struct lb_gpios *)lb_new_record(header); |
| 196 | gpios->tag = LB_TAG_GPIO; |
| 197 | gpios->size = sizeof(*gpios); |
| 198 | gpios->count = 0; |
| 199 | fill_lb_gpios(gpios); |
| 200 | } |
| 201 | |
| 202 | static void lb_vdat(struct lb_header *header) |
| 203 | { |
| 204 | struct lb_vdat* vdat; |
| 205 | |
| 206 | vdat = (struct lb_vdat *)lb_new_record(header); |
| 207 | vdat->tag = LB_TAG_VDAT; |
| 208 | vdat->size = sizeof(*vdat); |
| 209 | acpi_get_vdat_info(&vdat->vdat_addr, &vdat->vdat_size); |
| 210 | } |
| 211 | |
| 212 | static void lb_vbnv(struct lb_header *header) |
| 213 | { |
| 214 | struct lb_vbnv* vbnv; |
| 215 | |
| 216 | vbnv = (struct lb_vbnv *)lb_new_record(header); |
| 217 | vbnv->tag = LB_TAG_VBNV; |
| 218 | vbnv->size = sizeof(*vbnv); |
| 219 | vbnv->vbnv_start = CONFIG_VBNV_OFFSET + 14; |
| 220 | vbnv->vbnv_size = CONFIG_VBNV_SIZE; |
| 221 | } |
| 222 | #endif |
| 223 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 224 | static void add_cbmem_pointers(struct lb_header *header) |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 225 | { |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 226 | /* |
| 227 | * These CBMEM sections' addresses are included in the coreboot table |
| 228 | * with the appropriate tags. |
| 229 | */ |
| 230 | const struct section_id { |
| 231 | int cbmem_id; |
| 232 | int table_tag; |
| 233 | } section_ids[] = { |
| 234 | {CBMEM_ID_TIMESTAMP, LB_TAG_TIMESTAMPS}, |
| 235 | {CBMEM_ID_CONSOLE, LB_TAG_CBMEM_CONSOLE} |
| 236 | }; |
| 237 | int i; |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 238 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 239 | for (i = 0; i < ARRAY_SIZE(section_ids); i++) { |
| 240 | const struct section_id *sid = section_ids + i; |
| 241 | struct lb_cbmem_ref *cbmem_ref; |
| 242 | void *cbmem_addr = cbmem_find(sid->cbmem_id); |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 243 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 244 | if (!cbmem_addr) |
| 245 | continue; /* This section is not present */ |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 246 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 247 | cbmem_ref = (struct lb_cbmem_ref *)lb_new_record(header); |
| 248 | if (!cbmem_ref) { |
| 249 | printk(BIOS_ERR, "No more room in coreboot table!\n"); |
| 250 | break; |
| 251 | } |
| 252 | cbmem_ref->tag = sid->table_tag; |
| 253 | cbmem_ref->size = sizeof(*cbmem_ref); |
Stefan Reinauer | b8ad224 | 2013-01-11 10:41:42 -0800 | [diff] [blame] | 254 | cbmem_ref->cbmem_addr = (unsigned long)cbmem_addr; |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 255 | } |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 256 | } |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 257 | |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 258 | static struct lb_mainboard *lb_mainboard(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 259 | { |
| 260 | struct lb_record *rec; |
| 261 | struct lb_mainboard *mainboard; |
| 262 | rec = lb_new_record(header); |
| 263 | mainboard = (struct lb_mainboard *)rec; |
| 264 | mainboard->tag = LB_TAG_MAINBOARD; |
| 265 | |
| 266 | mainboard->size = (sizeof(*mainboard) + |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 267 | strlen(mainboard_vendor) + 1 + |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 268 | strlen(mainboard_part_number) + 1 + |
| 269 | 3) & ~3; |
| 270 | |
| 271 | mainboard->vendor_idx = 0; |
| 272 | mainboard->part_number_idx = strlen(mainboard_vendor) + 1; |
| 273 | |
| 274 | memcpy(mainboard->strings + mainboard->vendor_idx, |
| 275 | mainboard_vendor, strlen(mainboard_vendor) + 1); |
| 276 | memcpy(mainboard->strings + mainboard->part_number_idx, |
| 277 | mainboard_part_number, strlen(mainboard_part_number) + 1); |
| 278 | |
| 279 | return mainboard; |
| 280 | } |
| 281 | |
Stefan Reinauer | c75bfde | 2011-08-15 11:26:35 -0700 | [diff] [blame] | 282 | #if CONFIG_USE_OPTION_TABLE |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 283 | static struct cmos_checksum *lb_cmos_checksum(struct lb_header *header) |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 284 | { |
| 285 | struct lb_record *rec; |
| 286 | struct cmos_checksum *cmos_checksum; |
| 287 | rec = lb_new_record(header); |
| 288 | cmos_checksum = (struct cmos_checksum *)rec; |
| 289 | cmos_checksum->tag = LB_TAG_OPTION_CHECKSUM; |
| 290 | |
| 291 | cmos_checksum->size = (sizeof(*cmos_checksum)); |
| 292 | |
Stefan Reinauer | b5828d7 | 2010-03-29 17:14:28 +0000 | [diff] [blame] | 293 | cmos_checksum->range_start = LB_CKS_RANGE_START * 8; |
| 294 | cmos_checksum->range_end = ( LB_CKS_RANGE_END * 8 ) + 7; |
| 295 | cmos_checksum->location = LB_CKS_LOC * 8; |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 296 | cmos_checksum->type = CHECKSUM_PCBIOS; |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 297 | |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 298 | return cmos_checksum; |
| 299 | } |
Stefan Reinauer | 2549d52 | 2010-03-17 03:44:45 +0000 | [diff] [blame] | 300 | #endif |
Stefan Reinauer | 4bd0de0 | 2005-12-03 22:39:23 +0000 | [diff] [blame] | 301 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 302 | static void lb_strings(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 303 | { |
| 304 | static const struct { |
| 305 | uint32_t tag; |
Stefan Reinauer | 0dff6e3 | 2007-10-23 22:17:45 +0000 | [diff] [blame] | 306 | const char *string; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 307 | } strings[] = { |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 308 | { LB_TAG_VERSION, coreboot_version, }, |
| 309 | { LB_TAG_EXTRA_VERSION, coreboot_extra_version, }, |
| 310 | { LB_TAG_BUILD, coreboot_build, }, |
| 311 | { LB_TAG_COMPILE_TIME, coreboot_compile_time, }, |
| 312 | { LB_TAG_COMPILE_BY, coreboot_compile_by, }, |
| 313 | { LB_TAG_COMPILE_HOST, coreboot_compile_host, }, |
| 314 | { LB_TAG_COMPILE_DOMAIN, coreboot_compile_domain, }, |
| 315 | { LB_TAG_COMPILER, coreboot_compiler, }, |
| 316 | { LB_TAG_LINKER, coreboot_linker, }, |
| 317 | { LB_TAG_ASSEMBLER, coreboot_assembler, }, |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 318 | }; |
Eric Biederman | 5268557 | 2003-05-19 19:16:21 +0000 | [diff] [blame] | 319 | unsigned int i; |
Carl-Daniel Hailfinger | 2ee6779 | 2008-10-01 12:52:52 +0000 | [diff] [blame] | 320 | for(i = 0; i < ARRAY_SIZE(strings); i++) { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 321 | struct lb_string *rec; |
| 322 | size_t len; |
| 323 | rec = (struct lb_string *)lb_new_record(header); |
| 324 | len = strlen(strings[i].string); |
| 325 | rec->tag = strings[i].tag; |
| 326 | rec->size = (sizeof(*rec) + len + 1 + 3) & ~3; |
| 327 | memcpy(rec->string, strings[i].string, len+1); |
| 328 | } |
| 329 | |
| 330 | } |
| 331 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 332 | static struct lb_forward *lb_forward(struct lb_header *header, struct lb_header *next_header) |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 333 | { |
| 334 | struct lb_record *rec; |
| 335 | struct lb_forward *forward; |
| 336 | rec = lb_new_record(header); |
| 337 | forward = (struct lb_forward *)rec; |
| 338 | forward->tag = LB_TAG_FORWARD; |
| 339 | forward->size = sizeof(*forward); |
Stefan Reinauer | df77f34 | 2009-04-06 14:00:53 +0000 | [diff] [blame] | 340 | forward->forward = (uint64_t)(unsigned long)next_header; |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 341 | return forward; |
| 342 | } |
| 343 | |
Kyösti Mälkki | 4c29d7f | 2012-08-02 09:49:11 +0300 | [diff] [blame] | 344 | static void lb_memory_range(struct lb_memory *mem, |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 345 | uint32_t type, uint64_t start, uint64_t size) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 346 | { |
| 347 | int entries; |
| 348 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 349 | mem->map[entries].start = pack_lb64(start); |
| 350 | mem->map[entries].size = pack_lb64(size); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 351 | mem->map[entries].type = type; |
| 352 | mem->size += sizeof(mem->map[0]); |
| 353 | } |
| 354 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 355 | static void lb_reserve_table_memory(struct lb_header *head) |
| 356 | { |
| 357 | struct lb_record *last_rec; |
| 358 | struct lb_memory *mem; |
| 359 | uint64_t start; |
| 360 | uint64_t end; |
| 361 | int i, entries; |
| 362 | |
| 363 | last_rec = lb_last_record(head); |
| 364 | mem = get_lb_mem(); |
| 365 | start = (unsigned long)head; |
| 366 | end = (unsigned long)last_rec; |
| 367 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
| 368 | /* Resize the right two memory areas so this table is in |
| 369 | * a reserved area of memory. Everything has been carefully |
| 370 | * setup so that is all we need to do. |
| 371 | */ |
| 372 | for(i = 0; i < entries; i++ ) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 373 | uint64_t map_start = unpack_lb64(mem->map[i].start); |
| 374 | uint64_t map_end = map_start + unpack_lb64(mem->map[i].size); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 375 | /* Does this area need to be expanded? */ |
| 376 | if (map_end == start) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 377 | mem->map[i].size = pack_lb64(end - map_start); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 378 | } |
| 379 | /* Does this area need to be contracted? */ |
| 380 | else if (map_start == start) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 381 | mem->map[i].start = pack_lb64(end); |
| 382 | mem->map[i].size = pack_lb64(map_end - end); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 383 | } |
| 384 | } |
| 385 | } |
| 386 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 387 | static unsigned long lb_table_fini(struct lb_header *head, int fixup) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 388 | { |
| 389 | struct lb_record *rec, *first_rec; |
| 390 | rec = lb_last_record(head); |
| 391 | if (head->table_entries) { |
| 392 | head->table_bytes += rec->size; |
| 393 | } |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 394 | |
| 395 | if (fixup) |
| 396 | lb_reserve_table_memory(head); |
| 397 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 398 | first_rec = lb_first_record(head); |
| 399 | head->table_checksum = compute_ip_checksum(first_rec, head->table_bytes); |
| 400 | head->header_checksum = 0; |
| 401 | head->header_checksum = compute_ip_checksum(head, sizeof(*head)); |
Vadim Bendebury | 0523989 | 2011-08-16 11:44:35 -0700 | [diff] [blame] | 402 | printk(BIOS_DEBUG, |
| 403 | "Wrote coreboot table at: %p, 0x%x bytes, checksum %x\n", |
| 404 | head, head->table_bytes, head->table_checksum); |
| 405 | return (unsigned long)rec + rec->size; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 406 | } |
| 407 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 408 | static void lb_cleanup_memory_ranges(struct lb_memory *mem) |
| 409 | { |
| 410 | int entries; |
| 411 | int i, j; |
| 412 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 413 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 414 | /* Sort the lb memory ranges */ |
| 415 | for(i = 0; i < entries; i++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 416 | uint64_t entry_start = unpack_lb64(mem->map[i].start); |
Aaron Durbin | f7fa218 | 2012-12-18 17:01:57 -0600 | [diff] [blame] | 417 | for(j = i + 1; j < entries; j++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 418 | uint64_t temp_start = unpack_lb64(mem->map[j].start); |
| 419 | if (temp_start < entry_start) { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 420 | struct lb_memory_range tmp; |
| 421 | tmp = mem->map[i]; |
| 422 | mem->map[i] = mem->map[j]; |
| 423 | mem->map[j] = tmp; |
| 424 | } |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | /* Merge adjacent entries */ |
| 429 | for(i = 0; (i + 1) < entries; i++) { |
| 430 | uint64_t start, end, nstart, nend; |
| 431 | if (mem->map[i].type != mem->map[i + 1].type) { |
| 432 | continue; |
| 433 | } |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 434 | start = unpack_lb64(mem->map[i].start); |
| 435 | end = start + unpack_lb64(mem->map[i].size); |
| 436 | nstart = unpack_lb64(mem->map[i + 1].start); |
| 437 | nend = nstart + unpack_lb64(mem->map[i + 1].size); |
Aaron Durbin | f7fa218 | 2012-12-18 17:01:57 -0600 | [diff] [blame] | 438 | if ((start <= nstart) && (end >= nstart)) { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 439 | if (start > nstart) { |
| 440 | start = nstart; |
| 441 | } |
| 442 | if (end < nend) { |
| 443 | end = nend; |
| 444 | } |
| 445 | /* Record the new region size */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 446 | mem->map[i].start = pack_lb64(start); |
| 447 | mem->map[i].size = pack_lb64(end - start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 448 | |
| 449 | /* Delete the entry I have merged with */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 450 | memmove(&mem->map[i + 1], &mem->map[i + 2], |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 451 | ((entries - i - 2) * sizeof(mem->map[0]))); |
| 452 | mem->size -= sizeof(mem->map[0]); |
| 453 | entries -= 1; |
| 454 | /* See if I can merge with the next entry as well */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 455 | i -= 1; |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 460 | static void lb_remove_memory_range(struct lb_memory *mem, |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 461 | uint64_t start, uint64_t size) |
| 462 | { |
| 463 | uint64_t end; |
| 464 | int entries; |
| 465 | int i; |
| 466 | |
| 467 | end = start + size; |
| 468 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
| 469 | |
| 470 | /* Remove a reserved area from the memory map */ |
| 471 | for(i = 0; i < entries; i++) { |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 472 | uint64_t map_start = unpack_lb64(mem->map[i].start); |
| 473 | uint64_t map_end = map_start + unpack_lb64(mem->map[i].size); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 474 | if ((start <= map_start) && (end >= map_end)) { |
| 475 | /* Remove the completely covered range */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 476 | memmove(&mem->map[i], &mem->map[i + 1], |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 477 | ((entries - i - 1) * sizeof(mem->map[0]))); |
| 478 | mem->size -= sizeof(mem->map[0]); |
| 479 | entries -= 1; |
| 480 | /* Since the index will disappear revisit what will appear here */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 481 | i -= 1; |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 482 | } |
| 483 | else if ((start > map_start) && (end < map_end)) { |
| 484 | /* Split the memory range */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 485 | memmove(&mem->map[i + 1], &mem->map[i], |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 486 | ((entries - i) * sizeof(mem->map[0]))); |
| 487 | mem->size += sizeof(mem->map[0]); |
| 488 | entries += 1; |
| 489 | /* Update the first map entry */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 490 | mem->map[i].size = pack_lb64(start - map_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 491 | /* Update the second map entry */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 492 | mem->map[i + 1].start = pack_lb64(end); |
| 493 | mem->map[i + 1].size = pack_lb64(map_end - end); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 494 | /* Don't bother with this map entry again */ |
| 495 | i += 1; |
| 496 | } |
| 497 | else if ((start <= map_start) && (end > map_start)) { |
| 498 | /* Shrink the start of the memory range */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 499 | mem->map[i].start = pack_lb64(end); |
| 500 | mem->map[i].size = pack_lb64(map_end - end); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 501 | } |
| 502 | else if ((start < map_end) && (start > map_start)) { |
| 503 | /* Shrink the end of the memory range */ |
Eric Biederman | ec01aa9 | 2004-12-10 20:50:43 +0000 | [diff] [blame] | 504 | mem->map[i].size = pack_lb64(start - map_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 505 | } |
| 506 | } |
| 507 | } |
| 508 | |
Kyösti Mälkki | 4c29d7f | 2012-08-02 09:49:11 +0300 | [diff] [blame] | 509 | static void lb_add_memory_range(struct lb_memory *mem, |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 510 | uint32_t type, uint64_t start, uint64_t size) |
| 511 | { |
| 512 | lb_remove_memory_range(mem, start, size); |
| 513 | lb_memory_range(mem, type, start, size); |
| 514 | lb_cleanup_memory_ranges(mem); |
| 515 | } |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 516 | |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 517 | static void lb_dump_memory_ranges(struct lb_memory *mem) |
| 518 | { |
| 519 | int entries; |
| 520 | int i; |
| 521 | entries = (mem->size - sizeof(*mem))/sizeof(mem->map[0]); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 522 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 523 | printk(BIOS_DEBUG, "coreboot memory table:\n"); |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 524 | for(i = 0; i < entries; i++) { |
| 525 | uint64_t entry_start = unpack_lb64(mem->map[i].start); |
| 526 | uint64_t entry_size = unpack_lb64(mem->map[i].size); |
| 527 | const char *entry_type; |
| 528 | |
| 529 | switch (mem->map[i].type) { |
| 530 | case LB_MEM_RAM: entry_type="RAM"; break; |
| 531 | case LB_MEM_RESERVED: entry_type="RESERVED"; break; |
| 532 | case LB_MEM_ACPI: entry_type="ACPI"; break; |
| 533 | case LB_MEM_NVS: entry_type="NVS"; break; |
| 534 | case LB_MEM_UNUSABLE: entry_type="UNUSABLE"; break; |
| 535 | case LB_MEM_VENDOR_RSVD: entry_type="VENDOR RESERVED"; break; |
| 536 | case LB_MEM_TABLE: entry_type="CONFIGURATION TABLES"; break; |
| 537 | default: entry_type="UNKNOWN!"; break; |
| 538 | } |
| 539 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 540 | printk(BIOS_DEBUG, "%2d. %016llx-%016llx: %s\n", |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 541 | i, entry_start, entry_start+entry_size-1, entry_type); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 542 | |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 543 | } |
| 544 | } |
| 545 | |
| 546 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 547 | /* Routines to extract part so the coreboot table or |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 548 | * information from the coreboot table after we have written it. |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 549 | * Currently get_lb_mem relies on a global we can change the |
| 550 | * implementaiton. |
| 551 | */ |
| 552 | static struct lb_memory *mem_ranges = 0; |
| 553 | struct lb_memory *get_lb_mem(void) |
| 554 | { |
| 555 | return mem_ranges; |
| 556 | } |
| 557 | |
Eric Biederman | f8a2ddd | 2004-10-30 08:05:41 +0000 | [diff] [blame] | 558 | static void build_lb_mem_range(void *gp, struct device *dev, struct resource *res) |
| 559 | { |
| 560 | struct lb_memory *mem = gp; |
| 561 | lb_memory_range(mem, LB_MEM_RAM, res->base, res->size); |
| 562 | } |
| 563 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 564 | static struct lb_memory *build_lb_mem(struct lb_header *head) |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 565 | { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 566 | struct lb_memory *mem; |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 567 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 568 | /* Record where the lb memory ranges will live */ |
| 569 | mem = lb_memory(head); |
| 570 | mem_ranges = mem; |
| 571 | |
| 572 | /* Build the raw table of memory */ |
Eric Biederman | f8a2ddd | 2004-10-30 08:05:41 +0000 | [diff] [blame] | 573 | search_global_resources( |
| 574 | IORESOURCE_MEM | IORESOURCE_CACHEABLE, IORESOURCE_MEM | IORESOURCE_CACHEABLE, |
| 575 | build_lb_mem_range, mem); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 576 | lb_cleanup_memory_ranges(mem); |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 577 | return mem; |
| 578 | } |
| 579 | |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 580 | static void lb_add_rsvd_range(void *gp, struct device *dev, struct resource *res) |
| 581 | { |
| 582 | struct lb_memory *mem = gp; |
| 583 | lb_add_memory_range(mem, LB_MEM_RESERVED, res->base, res->size); |
| 584 | } |
| 585 | |
| 586 | static void add_lb_reserved(struct lb_memory *mem) |
| 587 | { |
| 588 | /* Add reserved ranges */ |
| 589 | search_global_resources( |
| 590 | IORESOURCE_MEM | IORESOURCE_RESERVE, IORESOURCE_MEM | IORESOURCE_RESERVE, |
| 591 | lb_add_rsvd_range, mem); |
| 592 | } |
| 593 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 594 | unsigned long write_coreboot_table( |
| 595 | unsigned long low_table_start, unsigned long low_table_end, |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 596 | unsigned long rom_table_start, unsigned long rom_table_end) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 597 | { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 598 | struct lb_header *head; |
| 599 | struct lb_memory *mem; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 600 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 601 | printk(BIOS_DEBUG, "Writing high table forward entry at 0x%08lx\n", |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 602 | low_table_end); |
| 603 | head = lb_table_init(low_table_end); |
Myles Watson | fa12b67 | 2009-04-30 22:45:41 +0000 | [diff] [blame] | 604 | lb_forward(head, (struct lb_header*)rom_table_end); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 605 | |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 606 | low_table_end = (unsigned long) lb_table_fini(head, 0); |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 607 | printk(BIOS_DEBUG, "New low_table_end: 0x%08lx\n", low_table_end); |
| 608 | printk(BIOS_DEBUG, "Now going to write high coreboot table at 0x%08lx\n", |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 609 | rom_table_end); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 610 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 611 | head = lb_table_init(rom_table_end); |
| 612 | rom_table_end = (unsigned long)head; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 613 | printk(BIOS_DEBUG, "rom_table_end = 0x%08lx\n", rom_table_end); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 614 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 615 | printk(BIOS_DEBUG, "Adjust low_table_end from 0x%08lx to ", low_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 616 | low_table_end += 0xfff; // 4K aligned |
| 617 | low_table_end &= ~0xfff; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 618 | printk(BIOS_DEBUG, "0x%08lx \n", low_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 619 | |
| 620 | /* The Linux kernel assumes this region is reserved */ |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 621 | printk(BIOS_DEBUG, "Adjust rom_table_end from 0x%08lx to ", rom_table_end); |
Yinghai Lu | 47cb7c7 | 2007-04-06 20:27:40 +0000 | [diff] [blame] | 622 | rom_table_end += 0xffff; // 64K align |
| 623 | rom_table_end &= ~0xffff; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 624 | printk(BIOS_DEBUG, "0x%08lx \n", rom_table_end); |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 625 | |
Stefan Reinauer | c75bfde | 2011-08-15 11:26:35 -0700 | [diff] [blame] | 626 | #if CONFIG_USE_OPTION_TABLE |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 627 | { |
Hung-Te Lin | 6fe0cab | 2013-01-22 18:57:56 +0800 | [diff] [blame] | 628 | struct cmos_option_table *option_table = cbfs_get_file_content( |
| 629 | CBFS_DEFAULT_MEDIA, "cmos_layout.bin", |
| 630 | CBFS_COMPONENT_CMOS_LAYOUT); |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 631 | if (option_table) { |
| 632 | struct lb_record *rec_dest = lb_new_record(head); |
| 633 | /* Copy the option config table, it's already a lb_record... */ |
Josef Kellermann | 679d38b | 2011-01-24 21:07:57 +0000 | [diff] [blame] | 634 | memcpy(rec_dest, option_table, option_table->size); |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 635 | /* Create cmos checksum entry in coreboot table */ |
| 636 | lb_cmos_checksum(head); |
Patrick Georgi | cef3b89 | 2011-01-18 14:28:45 +0000 | [diff] [blame] | 637 | } else { |
| 638 | printk(BIOS_ERR, "cmos_layout.bin could not be found!\n"); |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 639 | } |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 640 | } |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 641 | #endif |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 642 | /* Record where RAM is located */ |
| 643 | mem = build_lb_mem(head); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 644 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 645 | /* Record the mptable and the the lb_table (This will be adjusted later) */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 646 | lb_add_memory_range(mem, LB_MEM_TABLE, |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 647 | low_table_start, low_table_end - low_table_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 648 | |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 649 | /* Record the pirq table, acpi tables, and maybe the mptable */ |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 650 | lb_add_memory_range(mem, LB_MEM_TABLE, |
Roman Kononov | 96e3022 | 2008-07-23 23:22:59 +0000 | [diff] [blame] | 651 | rom_table_start, rom_table_end-rom_table_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 652 | |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 653 | printk(BIOS_DEBUG, "Adding high table area\n"); |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 654 | // should this be LB_MEM_ACPI? |
Patrick Georgi | bccaafc | 2009-04-28 12:57:25 +0000 | [diff] [blame] | 655 | lb_add_memory_range(mem, LB_MEM_TABLE, |
| 656 | high_tables_base, high_tables_size); |
Patrick Georgi | bccaafc | 2009-04-28 12:57:25 +0000 | [diff] [blame] | 657 | |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 658 | /* Add reserved regions */ |
| 659 | add_lb_reserved(mem); |
| 660 | |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 661 | lb_dump_memory_ranges(mem); |
| 662 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 663 | /* Note: |
| 664 | * I assume that there is always memory at immediately after |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 665 | * 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] | 666 | * I can trivially fixup the reserved memory ranges to hold the correct |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 667 | * size of the coreboot table. |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 668 | */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 669 | |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 670 | /* Record our motherboard */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 671 | lb_mainboard(head); |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 672 | /* Record the serial port, if present */ |
| 673 | lb_serial(head); |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 674 | /* Record our console setup */ |
| 675 | lb_console(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 676 | /* Record our various random string information */ |
| 677 | lb_strings(head); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 678 | /* Record our framebuffer */ |
| 679 | lb_framebuffer(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 680 | |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 681 | #if CONFIG_CHROMEOS |
| 682 | /* Record our GPIO settings (ChromeOS specific) */ |
| 683 | lb_gpios(head); |
| 684 | |
| 685 | /* pass along the VDAT buffer adress */ |
| 686 | lb_vdat(head); |
| 687 | |
| 688 | /* pass along VBNV offsets in CMOS */ |
| 689 | lb_vbnv(head); |
| 690 | #endif |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 691 | add_cbmem_pointers(head); |
| 692 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 693 | /* Remember where my valid memory ranges are */ |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 694 | return lb_table_fini(head, 1); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 695 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 696 | } |