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 | ca374d4 | 2008-01-18 16:16:45 +0000 | [diff] [blame] | 25 | #include <boot/coreboot_tables.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 26 | #include <string.h> |
| 27 | #include <version.h> |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 28 | #include <device/device.h> |
| 29 | #include <stdlib.h> |
Duncan Laurie | 66ecdc5 | 2011-08-15 16:35:10 -0700 | [diff] [blame] | 30 | #include <cbfs.h> |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 31 | #include <cbmem.h> |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 32 | #include <memrange.h> |
Stefan Reinauer | 0e672b5 | 2012-04-27 00:34:54 +0200 | [diff] [blame] | 33 | #if CONFIG_CHROMEOS |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 34 | #if CONFIG_GENERATE_ACPI_TABLES |
Stefan Reinauer | 0e672b5 | 2012-04-27 00:34:54 +0200 | [diff] [blame] | 35 | #include <arch/acpi.h> |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 36 | #endif |
Aaron Durbin | dd32a31 | 2013-03-07 23:15:06 -0600 | [diff] [blame] | 37 | #include <vendorcode/google/chromeos/chromeos.h> |
Stefan Reinauer | 0e672b5 | 2012-04-27 00:34:54 +0200 | [diff] [blame] | 38 | #include <vendorcode/google/chromeos/gnvs.h> |
| 39 | #endif |
Aaron Durbin | bc07f5d | 2013-03-26 13:09:39 -0500 | [diff] [blame] | 40 | #if CONFIG_ARCH_X86 |
| 41 | #include <cpu/x86/mtrr.h> |
| 42 | #endif |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 43 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 44 | static struct lb_header *lb_table_init(unsigned long addr) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 45 | { |
| 46 | struct lb_header *header; |
| 47 | |
| 48 | /* 16 byte align the address */ |
| 49 | addr += 15; |
| 50 | addr &= ~15; |
| 51 | |
| 52 | header = (void *)addr; |
| 53 | header->signature[0] = 'L'; |
| 54 | header->signature[1] = 'B'; |
| 55 | header->signature[2] = 'I'; |
| 56 | header->signature[3] = 'O'; |
| 57 | header->header_bytes = sizeof(*header); |
| 58 | header->header_checksum = 0; |
| 59 | header->table_bytes = 0; |
| 60 | header->table_checksum = 0; |
| 61 | header->table_entries = 0; |
| 62 | return header; |
| 63 | } |
| 64 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 65 | static struct lb_record *lb_first_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 66 | { |
| 67 | struct lb_record *rec; |
| 68 | rec = (void *)(((char *)header) + sizeof(*header)); |
| 69 | return rec; |
| 70 | } |
| 71 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 72 | static struct lb_record *lb_last_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 73 | { |
| 74 | struct lb_record *rec; |
| 75 | rec = (void *)(((char *)header) + sizeof(*header) + header->table_bytes); |
| 76 | return rec; |
| 77 | } |
| 78 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 79 | static struct lb_record *lb_new_record(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 80 | { |
| 81 | struct lb_record *rec; |
| 82 | rec = lb_last_record(header); |
| 83 | if (header->table_entries) { |
| 84 | header->table_bytes += rec->size; |
| 85 | } |
| 86 | rec = lb_last_record(header); |
| 87 | header->table_entries++; |
| 88 | rec->tag = LB_TAG_UNUSED; |
| 89 | rec->size = sizeof(*rec); |
| 90 | return rec; |
| 91 | } |
| 92 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 93 | static struct lb_memory *lb_memory(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 94 | { |
| 95 | struct lb_record *rec; |
| 96 | struct lb_memory *mem; |
| 97 | rec = lb_new_record(header); |
| 98 | mem = (struct lb_memory *)rec; |
| 99 | mem->tag = LB_TAG_MEMORY; |
| 100 | mem->size = sizeof(*mem); |
| 101 | return mem; |
| 102 | } |
| 103 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 104 | static struct lb_serial *lb_serial(struct lb_header *header) |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 105 | { |
Myles Watson | ec0ee64 | 2009-10-19 16:21:30 +0000 | [diff] [blame] | 106 | #if CONFIG_CONSOLE_SERIAL8250 |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 107 | struct lb_record *rec; |
| 108 | struct lb_serial *serial; |
| 109 | rec = lb_new_record(header); |
| 110 | serial = (struct lb_serial *)rec; |
| 111 | serial->tag = LB_TAG_SERIAL; |
| 112 | serial->size = sizeof(*serial); |
Stefan Reinauer | d1bc331 | 2011-06-22 16:39:19 -0700 | [diff] [blame] | 113 | serial->type = LB_SERIAL_TYPE_IO_MAPPED; |
| 114 | serial->baseaddr = CONFIG_TTYS0_BASE; |
| 115 | serial->baud = CONFIG_TTYS0_BAUD; |
| 116 | return serial; |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 117 | #elif CONFIG_CONSOLE_SERIAL8250MEM || CONFIG_CONSOLE_SERIAL_UART |
Gabe Black | 32829ca | 2011-10-05 01:57:03 -0700 | [diff] [blame] | 118 | if (uartmem_getbaseaddr()) { |
| 119 | struct lb_record *rec; |
| 120 | struct lb_serial *serial; |
| 121 | rec = lb_new_record(header); |
| 122 | serial = (struct lb_serial *)rec; |
| 123 | serial->tag = LB_TAG_SERIAL; |
| 124 | serial->size = sizeof(*serial); |
| 125 | serial->type = LB_SERIAL_TYPE_MEMORY_MAPPED; |
| 126 | serial->baseaddr = uartmem_getbaseaddr(); |
| 127 | serial->baud = CONFIG_TTYS0_BAUD; |
| 128 | return serial; |
| 129 | } else { |
| 130 | return NULL; |
| 131 | } |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 132 | #else |
Stefan Reinauer | 40e42a8 | 2011-04-14 21:05:41 +0000 | [diff] [blame] | 133 | return NULL; |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 134 | #endif |
| 135 | } |
| 136 | |
Stefan Reinauer | 5ae3175 | 2013-06-19 13:47:46 -0700 | [diff] [blame] | 137 | #if CONFIG_CONSOLE_SERIAL8250 || CONFIG_CONSOLE_SERIAL8250MEM || \ |
| 138 | CONFIG_CONSOLE_SERIAL_UART || CONFIG_USBDEBUG |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 139 | static void add_console(struct lb_header *header, u16 consoletype) |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 140 | { |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 141 | struct lb_console *console; |
Patrick Georgi | 16cdbb2 | 2009-04-21 20:14:31 +0000 | [diff] [blame] | 142 | |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 143 | console = (struct lb_console *)lb_new_record(header); |
| 144 | console->tag = LB_TAG_CONSOLE; |
| 145 | console->size = sizeof(*console); |
| 146 | console->type = consoletype; |
| 147 | } |
Stefan Reinauer | 513eb5a | 2011-06-01 14:04:50 -0700 | [diff] [blame] | 148 | #endif |
| 149 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 150 | static void lb_console(struct lb_header *header) |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 151 | { |
Myles Watson | ec0ee64 | 2009-10-19 16:21:30 +0000 | [diff] [blame] | 152 | #if CONFIG_CONSOLE_SERIAL8250 |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 153 | add_console(header, LB_TAG_CONSOLE_SERIAL8250); |
| 154 | #endif |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 155 | #if CONFIG_CONSOLE_SERIAL8250MEM || CONFIG_CONSOLE_SERIAL_UART |
Stefan Reinauer | 4885daa | 2011-04-26 23:47:04 +0000 | [diff] [blame] | 156 | add_console(header, LB_TAG_CONSOLE_SERIAL8250MEM); |
| 157 | #endif |
Stefan Reinauer | 7e00a44 | 2010-05-25 17:09:05 +0000 | [diff] [blame] | 158 | #if CONFIG_USBDEBUG |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 159 | add_console(header, LB_TAG_CONSOLE_EHCI); |
| 160 | #endif |
| 161 | } |
| 162 | |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 163 | static void lb_framebuffer(struct lb_header *header) |
| 164 | { |
Ronald G. Minnich | 69efaa0 | 2013-02-26 10:07:40 -0800 | [diff] [blame] | 165 | #if CONFIG_FRAMEBUFFER_KEEP_VESA_MODE || CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 166 | void fill_lb_framebuffer(struct lb_framebuffer *framebuffer); |
Gabe Black | fb8632a | 2012-09-30 04:47:48 -0700 | [diff] [blame] | 167 | int vbe_mode_info_valid(void); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 168 | |
Gabe Black | fb8632a | 2012-09-30 04:47:48 -0700 | [diff] [blame] | 169 | // If there isn't any mode info to put in the table, don't ask for it |
| 170 | // to be filled with junk. |
| 171 | if (!vbe_mode_info_valid()) |
| 172 | return; |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 173 | struct lb_framebuffer *framebuffer; |
| 174 | framebuffer = (struct lb_framebuffer *)lb_new_record(header); |
Vladimir Serbinenko | 617f853 | 2013-11-23 14:46:34 +0100 | [diff] [blame] | 175 | fill_lb_framebuffer(framebuffer); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 176 | framebuffer->tag = LB_TAG_FRAMEBUFFER; |
| 177 | framebuffer->size = sizeof(*framebuffer); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 178 | #endif |
| 179 | } |
| 180 | |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 181 | #if CONFIG_CHROMEOS |
| 182 | static void lb_gpios(struct lb_header *header) |
| 183 | { |
| 184 | struct lb_gpios *gpios; |
| 185 | gpios = (struct lb_gpios *)lb_new_record(header); |
| 186 | gpios->tag = LB_TAG_GPIO; |
| 187 | gpios->size = sizeof(*gpios); |
| 188 | gpios->count = 0; |
| 189 | fill_lb_gpios(gpios); |
| 190 | } |
| 191 | |
| 192 | static void lb_vdat(struct lb_header *header) |
| 193 | { |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 194 | #if CONFIG_GENERATE_ACPI_TABLES |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 195 | struct lb_vdat* vdat; |
| 196 | |
| 197 | vdat = (struct lb_vdat *)lb_new_record(header); |
| 198 | vdat->tag = LB_TAG_VDAT; |
| 199 | vdat->size = sizeof(*vdat); |
| 200 | acpi_get_vdat_info(&vdat->vdat_addr, &vdat->vdat_size); |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 201 | #endif |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | static void lb_vbnv(struct lb_header *header) |
| 205 | { |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 206 | #if CONFIG_PC80_SYSTEM |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 207 | struct lb_vbnv* vbnv; |
| 208 | |
| 209 | vbnv = (struct lb_vbnv *)lb_new_record(header); |
| 210 | vbnv->tag = LB_TAG_VBNV; |
| 211 | vbnv->size = sizeof(*vbnv); |
| 212 | vbnv->vbnv_start = CONFIG_VBNV_OFFSET + 14; |
| 213 | vbnv->vbnv_size = CONFIG_VBNV_SIZE; |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 214 | #endif |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 215 | } |
Aaron Durbin | dd32a31 | 2013-03-07 23:15:06 -0600 | [diff] [blame] | 216 | |
| 217 | #if CONFIG_VBOOT_VERIFY_FIRMWARE |
| 218 | static void lb_vboot_handoff(struct lb_header *header) |
| 219 | { |
| 220 | void *addr; |
| 221 | uint32_t size; |
| 222 | struct lb_vboot_handoff* vbho; |
| 223 | |
| 224 | if (vboot_get_handoff_info(&addr, &size)) |
| 225 | return; |
| 226 | |
| 227 | vbho = (struct lb_vboot_handoff *)lb_new_record(header); |
| 228 | vbho->tag = LB_TAB_VBOOT_HANDOFF; |
| 229 | vbho->size = sizeof(*vbho); |
Stefan Reinauer | 642b1db7 | 2013-04-18 18:01:34 -0700 | [diff] [blame] | 230 | vbho->vboot_handoff_addr = (intptr_t)addr; |
Aaron Durbin | dd32a31 | 2013-03-07 23:15:06 -0600 | [diff] [blame] | 231 | vbho->vboot_handoff_size = size; |
| 232 | } |
| 233 | #else |
| 234 | static inline void lb_vboot_handoff(struct lb_header *header) {} |
| 235 | #endif /* CONFIG_VBOOT_VERIFY_FIRMWARE */ |
| 236 | #endif /* CONFIG_CHROMEOS */ |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 237 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 238 | static void add_cbmem_pointers(struct lb_header *header) |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 239 | { |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 240 | /* |
| 241 | * These CBMEM sections' addresses are included in the coreboot table |
| 242 | * with the appropriate tags. |
| 243 | */ |
| 244 | const struct section_id { |
| 245 | int cbmem_id; |
| 246 | int table_tag; |
| 247 | } section_ids[] = { |
| 248 | {CBMEM_ID_TIMESTAMP, LB_TAG_TIMESTAMPS}, |
Duncan Laurie | 16e899b | 2013-12-12 10:43:21 -0800 | [diff] [blame] | 249 | {CBMEM_ID_CONSOLE, LB_TAG_CBMEM_CONSOLE}, |
| 250 | {CBMEM_ID_ACPI_GNVS, LB_TAG_ACPI_GNVS}, |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 251 | }; |
| 252 | int i; |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 253 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 254 | for (i = 0; i < ARRAY_SIZE(section_ids); i++) { |
| 255 | const struct section_id *sid = section_ids + i; |
| 256 | struct lb_cbmem_ref *cbmem_ref; |
| 257 | void *cbmem_addr = cbmem_find(sid->cbmem_id); |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 258 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 259 | if (!cbmem_addr) |
| 260 | continue; /* This section is not present */ |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 261 | |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 262 | cbmem_ref = (struct lb_cbmem_ref *)lb_new_record(header); |
| 263 | if (!cbmem_ref) { |
| 264 | printk(BIOS_ERR, "No more room in coreboot table!\n"); |
| 265 | break; |
| 266 | } |
| 267 | cbmem_ref->tag = sid->table_tag; |
| 268 | cbmem_ref->size = sizeof(*cbmem_ref); |
Stefan Reinauer | b8ad224 | 2013-01-11 10:41:42 -0800 | [diff] [blame] | 269 | cbmem_ref->cbmem_addr = (unsigned long)cbmem_addr; |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 270 | } |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 271 | } |
Vadim Bendebury | 2e43867 | 2011-09-23 09:56:11 -0700 | [diff] [blame] | 272 | |
Stefan Reinauer | e377857 | 2010-01-30 09:47:18 +0000 | [diff] [blame] | 273 | static struct lb_mainboard *lb_mainboard(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 274 | { |
| 275 | struct lb_record *rec; |
| 276 | struct lb_mainboard *mainboard; |
| 277 | rec = lb_new_record(header); |
| 278 | mainboard = (struct lb_mainboard *)rec; |
| 279 | mainboard->tag = LB_TAG_MAINBOARD; |
| 280 | |
| 281 | mainboard->size = (sizeof(*mainboard) + |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 282 | strlen(mainboard_vendor) + 1 + |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 283 | strlen(mainboard_part_number) + 1 + |
| 284 | 3) & ~3; |
| 285 | |
| 286 | mainboard->vendor_idx = 0; |
| 287 | mainboard->part_number_idx = strlen(mainboard_vendor) + 1; |
| 288 | |
| 289 | memcpy(mainboard->strings + mainboard->vendor_idx, |
| 290 | mainboard_vendor, strlen(mainboard_vendor) + 1); |
| 291 | memcpy(mainboard->strings + mainboard->part_number_idx, |
| 292 | mainboard_part_number, strlen(mainboard_part_number) + 1); |
| 293 | |
| 294 | return mainboard; |
| 295 | } |
| 296 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 297 | static void lb_strings(struct lb_header *header) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 298 | { |
| 299 | static const struct { |
| 300 | uint32_t tag; |
Stefan Reinauer | 0dff6e3 | 2007-10-23 22:17:45 +0000 | [diff] [blame] | 301 | const char *string; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 302 | } strings[] = { |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 303 | { LB_TAG_VERSION, coreboot_version, }, |
| 304 | { LB_TAG_EXTRA_VERSION, coreboot_extra_version, }, |
| 305 | { LB_TAG_BUILD, coreboot_build, }, |
| 306 | { LB_TAG_COMPILE_TIME, coreboot_compile_time, }, |
| 307 | { LB_TAG_COMPILE_BY, coreboot_compile_by, }, |
| 308 | { LB_TAG_COMPILE_HOST, coreboot_compile_host, }, |
| 309 | { LB_TAG_COMPILE_DOMAIN, coreboot_compile_domain, }, |
| 310 | { LB_TAG_COMPILER, coreboot_compiler, }, |
| 311 | { LB_TAG_LINKER, coreboot_linker, }, |
| 312 | { LB_TAG_ASSEMBLER, coreboot_assembler, }, |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 313 | }; |
Eric Biederman | 5268557 | 2003-05-19 19:16:21 +0000 | [diff] [blame] | 314 | unsigned int i; |
Carl-Daniel Hailfinger | 2ee6779 | 2008-10-01 12:52:52 +0000 | [diff] [blame] | 315 | for(i = 0; i < ARRAY_SIZE(strings); i++) { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 316 | struct lb_string *rec; |
| 317 | size_t len; |
| 318 | rec = (struct lb_string *)lb_new_record(header); |
| 319 | len = strlen(strings[i].string); |
| 320 | rec->tag = strings[i].tag; |
| 321 | rec->size = (sizeof(*rec) + len + 1 + 3) & ~3; |
| 322 | memcpy(rec->string, strings[i].string, len+1); |
| 323 | } |
| 324 | |
| 325 | } |
| 326 | |
Stefan Reinauer | b883d4c | 2009-08-27 11:23:06 +0000 | [diff] [blame] | 327 | 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] | 328 | { |
| 329 | struct lb_record *rec; |
| 330 | struct lb_forward *forward; |
| 331 | rec = lb_new_record(header); |
| 332 | forward = (struct lb_forward *)rec; |
| 333 | forward->tag = LB_TAG_FORWARD; |
| 334 | forward->size = sizeof(*forward); |
Stefan Reinauer | df77f34 | 2009-04-06 14:00:53 +0000 | [diff] [blame] | 335 | forward->forward = (uint64_t)(unsigned long)next_header; |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 336 | return forward; |
| 337 | } |
| 338 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 339 | static unsigned long lb_table_fini(struct lb_header *head) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 340 | { |
| 341 | struct lb_record *rec, *first_rec; |
| 342 | rec = lb_last_record(head); |
| 343 | if (head->table_entries) { |
| 344 | head->table_bytes += rec->size; |
| 345 | } |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 346 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 347 | first_rec = lb_first_record(head); |
| 348 | head->table_checksum = compute_ip_checksum(first_rec, head->table_bytes); |
| 349 | head->header_checksum = 0; |
| 350 | head->header_checksum = compute_ip_checksum(head, sizeof(*head)); |
Vadim Bendebury | 0523989 | 2011-08-16 11:44:35 -0700 | [diff] [blame] | 351 | printk(BIOS_DEBUG, |
| 352 | "Wrote coreboot table at: %p, 0x%x bytes, checksum %x\n", |
| 353 | head, head->table_bytes, head->table_checksum); |
| 354 | return (unsigned long)rec + rec->size; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 355 | } |
| 356 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 357 | /* Routines to extract part so the coreboot table or |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 358 | * information from the coreboot table after we have written it. |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 359 | * Currently get_lb_mem relies on a global we can change the |
Martin Roth | cbf2bd7 | 2013-07-09 21:51:14 -0600 | [diff] [blame] | 360 | * implementation. |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 361 | */ |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 362 | static struct lb_memory *mem_ranges = NULL; |
| 363 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 364 | struct lb_memory *get_lb_mem(void) |
| 365 | { |
| 366 | return mem_ranges; |
| 367 | } |
| 368 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 369 | /* This structure keeps track of the coreboot table memory ranges. */ |
| 370 | static struct memranges lb_ranges; |
Eric Biederman | f8a2ddd | 2004-10-30 08:05:41 +0000 | [diff] [blame] | 371 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 372 | static struct lb_memory *build_lb_mem(struct lb_header *head) |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 373 | { |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 374 | struct lb_memory *mem; |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 375 | |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 376 | /* Record where the lb memory ranges will live */ |
| 377 | mem = lb_memory(head); |
| 378 | mem_ranges = mem; |
| 379 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 380 | /* Fill the memory map out. The order of operations is important in |
| 381 | * that each overlapping range will take over the next. Therefore, |
| 382 | * add cacheable resources as RAM then add the reserved resources. */ |
| 383 | memranges_init(&lb_ranges, IORESOURCE_CACHEABLE, |
| 384 | IORESOURCE_CACHEABLE, LB_MEM_RAM); |
| 385 | memranges_add_resources(&lb_ranges, IORESOURCE_RESERVE, |
| 386 | IORESOURCE_RESERVE, LB_MEM_RESERVED); |
| 387 | |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 388 | return mem; |
| 389 | } |
| 390 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 391 | static void commit_lb_memory(struct lb_memory *mem) |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 392 | { |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 393 | struct range_entry *r; |
| 394 | struct lb_memory_range *lb_r; |
| 395 | int i; |
| 396 | |
| 397 | lb_r = &mem->map[0]; |
| 398 | i = 0; |
| 399 | |
| 400 | memranges_each_entry(r, &lb_ranges) { |
| 401 | const char *entry_type; |
| 402 | |
| 403 | switch (range_entry_tag(r)) { |
| 404 | case LB_MEM_RAM: entry_type="RAM"; break; |
| 405 | case LB_MEM_RESERVED: entry_type="RESERVED"; break; |
| 406 | case LB_MEM_ACPI: entry_type="ACPI"; break; |
| 407 | case LB_MEM_NVS: entry_type="NVS"; break; |
| 408 | case LB_MEM_UNUSABLE: entry_type="UNUSABLE"; break; |
| 409 | case LB_MEM_VENDOR_RSVD: entry_type="VENDOR RESERVED"; break; |
| 410 | case LB_MEM_TABLE: entry_type="CONFIGURATION TABLES"; break; |
| 411 | default: entry_type="UNKNOWN!"; break; |
| 412 | } |
| 413 | |
| 414 | printk(BIOS_DEBUG, "%2d. %016llx-%016llx: %s\n", |
| 415 | i, range_entry_base(r), range_entry_end(r)-1, |
| 416 | entry_type); |
| 417 | |
| 418 | lb_r->start = pack_lb64(range_entry_base(r)); |
| 419 | lb_r->size = pack_lb64(range_entry_size(r)); |
| 420 | lb_r->type = range_entry_tag(r); |
| 421 | |
| 422 | i++; |
| 423 | lb_r++; |
| 424 | mem->size += sizeof(struct lb_memory_range); |
| 425 | } |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 426 | } |
| 427 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 428 | void lb_add_memory_range(struct lb_memory *mem, |
| 429 | uint32_t type, uint64_t start, uint64_t size) |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 430 | { |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 431 | memranges_insert(&lb_ranges, start, size, type); |
Myles Watson | e0a000c | 2010-09-09 14:51:17 +0000 | [diff] [blame] | 432 | } |
| 433 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 434 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 435 | unsigned long write_coreboot_table( |
| 436 | unsigned long low_table_start, unsigned long low_table_end, |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 437 | unsigned long rom_table_start, unsigned long rom_table_end) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 438 | { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 439 | struct lb_header *head; |
| 440 | struct lb_memory *mem; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 441 | |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 442 | if (low_table_start || low_table_end) { |
| 443 | printk(BIOS_DEBUG, "Writing table forward entry at 0x%08lx\n", |
| 444 | low_table_end); |
| 445 | head = lb_table_init(low_table_end); |
| 446 | lb_forward(head, (struct lb_header*)rom_table_end); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 447 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 448 | low_table_end = (unsigned long) lb_table_fini(head); |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 449 | printk(BIOS_DEBUG, "Table forward entry ends at 0x%08lx.\n", |
| 450 | low_table_end); |
| 451 | low_table_end = ALIGN(low_table_end, 4096); |
| 452 | printk(BIOS_DEBUG, "... aligned to 0x%08lx\n", low_table_end); |
| 453 | } |
| 454 | |
| 455 | printk(BIOS_DEBUG, "Writing coreboot table at 0x%08lx\n", |
| 456 | rom_table_end); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 457 | |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 458 | head = lb_table_init(rom_table_end); |
| 459 | rom_table_end = (unsigned long)head; |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 460 | printk(BIOS_DEBUG, "rom_table_end = 0x%08lx\n", rom_table_end); |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 461 | rom_table_end = ALIGN(rom_table_end, (64 * 1024)); |
| 462 | printk(BIOS_DEBUG, "... aligned to 0x%08lx\n", rom_table_end); |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 463 | |
Stefan Reinauer | c75bfde | 2011-08-15 11:26:35 -0700 | [diff] [blame] | 464 | #if CONFIG_USE_OPTION_TABLE |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 465 | { |
Hung-Te Lin | 6fe0cab | 2013-01-22 18:57:56 +0800 | [diff] [blame] | 466 | struct cmos_option_table *option_table = cbfs_get_file_content( |
| 467 | CBFS_DEFAULT_MEDIA, "cmos_layout.bin", |
Vladimir Serbinenko | 0af61b6 | 2014-01-12 13:45:52 +0100 | [diff] [blame] | 468 | CBFS_COMPONENT_CMOS_LAYOUT, NULL); |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 469 | if (option_table) { |
| 470 | struct lb_record *rec_dest = lb_new_record(head); |
| 471 | /* Copy the option config table, it's already a lb_record... */ |
Josef Kellermann | 679d38b | 2011-01-24 21:07:57 +0000 | [diff] [blame] | 472 | memcpy(rec_dest, option_table, option_table->size); |
Patrick Georgi | cef3b89 | 2011-01-18 14:28:45 +0000 | [diff] [blame] | 473 | } else { |
| 474 | printk(BIOS_ERR, "cmos_layout.bin could not be found!\n"); |
Patrick Georgi | 2447937 | 2011-01-18 13:56:36 +0000 | [diff] [blame] | 475 | } |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 476 | } |
Stefan Reinauer | ba43064 | 2007-04-06 12:14:51 +0000 | [diff] [blame] | 477 | #endif |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 478 | |
| 479 | /* The Linux kernel assumes this region is reserved */ |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 480 | /* Record where RAM is located */ |
| 481 | mem = build_lb_mem(head); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 482 | |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 483 | if (low_table_start || low_table_end) { |
| 484 | /* Record the mptable and the the lb_table. |
| 485 | * (This will be adjusted later) */ |
| 486 | lb_add_memory_range(mem, LB_MEM_TABLE, |
| 487 | low_table_start, low_table_end - low_table_start); |
| 488 | } |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 489 | |
Aaron Durbin | df3a109 | 2013-03-13 12:41:44 -0500 | [diff] [blame] | 490 | /* Record the pirq table, acpi tables, and maybe the mptable. However, |
| 491 | * these only need to be added when the rom_table is sitting below |
| 492 | * 1MiB. If it isn't that means high tables are being written. |
| 493 | * The code below handles high tables correctly. */ |
| 494 | if (rom_table_end <= (1 << 20)) |
| 495 | lb_add_memory_range(mem, LB_MEM_TABLE, |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 496 | rom_table_start, rom_table_end - rom_table_start); |
Eric Biederman | 6e53f50 | 2004-10-27 08:53:57 +0000 | [diff] [blame] | 497 | |
Aaron Durbin | df3a109 | 2013-03-13 12:41:44 -0500 | [diff] [blame] | 498 | cbmem_add_lb_mem(mem); |
Patrick Georgi | bccaafc | 2009-04-28 12:57:25 +0000 | [diff] [blame] | 499 | |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 500 | /* No other memory areas can be added after the memory table has been |
| 501 | * committed as the entries won't show up in the serialize mem table. */ |
| 502 | commit_lb_memory(mem); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 503 | |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 504 | /* Record our motherboard */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 505 | lb_mainboard(head); |
Patrick Georgi | 8c2a0c1 | 2008-01-25 18:28:18 +0000 | [diff] [blame] | 506 | /* Record the serial port, if present */ |
| 507 | lb_serial(head); |
Patrick Georgi | 3bbf2ff | 2008-01-27 14:12:54 +0000 | [diff] [blame] | 508 | /* Record our console setup */ |
| 509 | lb_console(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 510 | /* Record our various random string information */ |
| 511 | lb_strings(head); |
Stefan Reinauer | d650e99 | 2010-02-22 04:33:13 +0000 | [diff] [blame] | 512 | /* Record our framebuffer */ |
| 513 | lb_framebuffer(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 514 | |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 515 | #if CONFIG_CHROMEOS |
| 516 | /* Record our GPIO settings (ChromeOS specific) */ |
| 517 | lb_gpios(head); |
| 518 | |
Martin Roth | cbf2bd7 | 2013-07-09 21:51:14 -0600 | [diff] [blame] | 519 | /* pass along the VDAT buffer address */ |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 520 | lb_vdat(head); |
| 521 | |
| 522 | /* pass along VBNV offsets in CMOS */ |
| 523 | lb_vbnv(head); |
Aaron Durbin | dd32a31 | 2013-03-07 23:15:06 -0600 | [diff] [blame] | 524 | |
| 525 | /* pass along the vboot_handoff address. */ |
| 526 | lb_vboot_handoff(head); |
Stefan Reinauer | 31324c6 | 2012-04-05 21:22:02 +0200 | [diff] [blame] | 527 | #endif |
Vadim Bendebury | 22c0468 | 2011-10-03 14:58:57 -0700 | [diff] [blame] | 528 | add_cbmem_pointers(head); |
| 529 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 530 | /* Remember where my valid memory ranges are */ |
Aaron Durbin | 28adb6e | 2013-03-23 00:06:36 -0500 | [diff] [blame] | 531 | return lb_table_fini(head); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 532 | } |