Stefan Reinauer | 3c7f46b | 2009-02-27 23:09:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 4 | * Copyright (C) 2003 Eric Biederman |
| 5 | * Copyright (C) 2005 Steve Magnani |
Stefan Reinauer | 3c7f46b | 2009-02-27 23:09:55 +0000 | [diff] [blame] | 6 | * Copyright (C) 2008-2009 coresystems GmbH |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; version 2 of 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. |
Stefan Reinauer | 3c7f46b | 2009-02-27 23:09:55 +0000 | [diff] [blame] | 16 | */ |
Stefan Reinauer | 4f1cb23 | 2006-07-19 15:32:49 +0000 | [diff] [blame] | 17 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 18 | #include <console/console.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 19 | #include <cpu/cpu.h> |
| 20 | #include <boot/tables.h> |
Stefan Reinauer | ca374d4 | 2008-01-18 16:16:45 +0000 | [diff] [blame] | 21 | #include <boot/coreboot_tables.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 22 | #include <arch/pirq_routing.h> |
| 23 | #include <arch/smp/mpspec.h> |
Stefan Reinauer | 688b385 | 2004-01-28 16:56:14 +0000 | [diff] [blame] | 24 | #include <arch/acpi.h> |
Stefan Reinauer | 0dff6e3 | 2007-10-23 22:17:45 +0000 | [diff] [blame] | 25 | #include <string.h> |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 26 | #include <cbmem.h> |
Sven Schnelle | 164bcfd | 2011-08-14 20:56:34 +0200 | [diff] [blame] | 27 | #include <smbios.h> |
Steven J. Magnani | d94e1d6 | 2005-09-12 18:41:30 +0000 | [diff] [blame] | 28 | |
Aaron Durbin | a0546da | 2016-04-19 15:17:08 -0500 | [diff] [blame^] | 29 | #define MAX_COREBOOT_TABLE_SIZE CONFIG_COREBOOT_TABLE_SIZE |
| 30 | |
Aaron Durbin | 3f7ad7b | 2014-02-18 19:36:05 -0600 | [diff] [blame] | 31 | void write_tables(void) |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 32 | { |
Stefan Reinauer | df77f34 | 2009-04-06 14:00:53 +0000 | [diff] [blame] | 33 | unsigned long low_table_start, low_table_end; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 34 | unsigned long rom_table_start, rom_table_end; |
| 35 | |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 36 | /* Even if high tables are configured, some tables are copied both to |
| 37 | * the low and the high area, so payloads and OSes don't need to know |
| 38 | * about the high tables. |
Stefan Reinauer | 3c7f46b | 2009-02-27 23:09:55 +0000 | [diff] [blame] | 39 | */ |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 40 | unsigned long high_table_pointer; |
Stefan Reinauer | 3c7f46b | 2009-02-27 23:09:55 +0000 | [diff] [blame] | 41 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 42 | rom_table_start = 0xf0000; |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 43 | rom_table_end = 0xf0000; |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 44 | |
| 45 | /* Start low addr at 0x500, so we don't run into conflicts with the BDA |
Vladimir Serbinenko | 2657e84 | 2014-01-06 20:40:27 +0100 | [diff] [blame] | 46 | * in case our data structures grow beyond 0x400. Only GDT |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 47 | * and the coreboot table use low_tables. |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 48 | */ |
| 49 | low_table_start = 0; |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 50 | low_table_end = 0x500; |
| 51 | |
Patrick Georgi | e166782 | 2012-05-05 15:29:32 +0200 | [diff] [blame] | 52 | #if CONFIG_GENERATE_PIRQ_TABLE |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 53 | #define MAX_PIRQ_TABLE_SIZE (4 * 1024) |
| 54 | post_code(0x9a); |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 55 | |
| 56 | /* This table must be between 0x0f0000 and 0x100000 */ |
| 57 | rom_table_end = write_pirq_routing_table(rom_table_end); |
| 58 | rom_table_end = ALIGN(rom_table_end, 1024); |
| 59 | |
| 60 | /* And add a high table version for those payloads that |
| 61 | * want to live in the F segment |
| 62 | */ |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 63 | high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_PIRQ, MAX_PIRQ_TABLE_SIZE); |
| 64 | if (high_table_pointer) { |
| 65 | unsigned long new_high_table_pointer; |
| 66 | new_high_table_pointer = write_pirq_routing_table(high_table_pointer); |
| 67 | // FIXME make pirq table code intelligent enough to know how |
| 68 | // much space it's going to need. |
| 69 | if (new_high_table_pointer > (high_table_pointer + MAX_PIRQ_TABLE_SIZE)) { |
| 70 | printk(BIOS_ERR, "ERROR: Increase PIRQ size.\n"); |
| 71 | } |
| 72 | printk(BIOS_DEBUG, "PIRQ table: %ld bytes.\n", |
| 73 | new_high_table_pointer - high_table_pointer); |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 74 | } |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 75 | |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 76 | #endif |
| 77 | |
Patrick Georgi | e166782 | 2012-05-05 15:29:32 +0200 | [diff] [blame] | 78 | #if CONFIG_GENERATE_MP_TABLE |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 79 | #define MAX_MP_TABLE_SIZE (4 * 1024) |
| 80 | post_code(0x9b); |
| 81 | |
| 82 | /* The smp table must be in 0-1K, 639K-640K, or 960K-1M */ |
| 83 | rom_table_end = write_smp_table(rom_table_end); |
| 84 | rom_table_end = ALIGN(rom_table_end, 1024); |
| 85 | |
| 86 | high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_MPTABLE, MAX_MP_TABLE_SIZE); |
| 87 | if (high_table_pointer) { |
| 88 | unsigned long new_high_table_pointer; |
| 89 | new_high_table_pointer = write_smp_table(high_table_pointer); |
| 90 | // FIXME make mp table code intelligent enough to know how |
| 91 | // much space it's going to need. |
| 92 | if (new_high_table_pointer > (high_table_pointer + MAX_MP_TABLE_SIZE)) { |
| 93 | printk(BIOS_ERR, "ERROR: Increase MP table size.\n"); |
| 94 | } |
| 95 | |
| 96 | printk(BIOS_DEBUG, "MP table: %ld bytes.\n", |
| 97 | new_high_table_pointer - high_table_pointer); |
| 98 | } |
| 99 | #endif /* CONFIG_GENERATE_MP_TABLE */ |
| 100 | |
Vladimir Serbinenko | 822bc65 | 2014-01-03 15:55:40 +0100 | [diff] [blame] | 101 | #if CONFIG_HAVE_ACPI_TABLES |
Stefan Reinauer | 802c910 | 2014-08-28 23:03:15 +0200 | [diff] [blame] | 102 | #define MAX_ACPI_SIZE (144 * 1024) |
Kyösti Mälkki | ae98e83 | 2014-11-28 11:24:19 +0200 | [diff] [blame] | 103 | |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 104 | post_code(0x9c); |
Li-Ta Lo | 8e79fc3 | 2004-04-15 17:33:21 +0000 | [diff] [blame] | 105 | |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 106 | /* Write ACPI tables to F segment and high tables area */ |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 107 | |
| 108 | /* Ok, this is a bit hacky still, because some day we want to have this |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 109 | * completely dynamic. But right now we are setting fixed sizes. |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 110 | * It's probably still better than the old high_table_base code because |
| 111 | * now at least we know when we have an overflow in the area. |
| 112 | * |
| 113 | * We want to use 1MB - 64K for Resume backup. We use 512B for TOC and |
| 114 | * 512 byte for GDT, 4K for PIRQ and 4K for MP table and 8KB for the |
| 115 | * coreboot table. This leaves us with 47KB for all of ACPI. Let's see |
| 116 | * how far we get. |
| 117 | */ |
| 118 | high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_ACPI, MAX_ACPI_SIZE); |
| 119 | if (high_table_pointer) { |
| 120 | unsigned long acpi_start = high_table_pointer; |
| 121 | unsigned long new_high_table_pointer; |
| 122 | |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 123 | rom_table_end = ALIGN(rom_table_end, 16); |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 124 | new_high_table_pointer = write_acpi_tables(high_table_pointer); |
| 125 | if (new_high_table_pointer > ( high_table_pointer + MAX_ACPI_SIZE)) { |
| 126 | printk(BIOS_ERR, "ERROR: Increase ACPI size\n"); |
| 127 | } |
Martin Roth | e369010 | 2016-01-06 15:21:02 -0700 | [diff] [blame] | 128 | printk(BIOS_DEBUG, "ACPI tables: %ld bytes.\n", |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 129 | new_high_table_pointer - high_table_pointer); |
| 130 | |
| 131 | /* Now we need to create a low table copy of the RSDP. */ |
| 132 | |
| 133 | /* First we look for the high table RSDP */ |
| 134 | while (acpi_start < new_high_table_pointer) { |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 135 | if (memcmp(((acpi_rsdp_t *)acpi_start)->signature, RSDP_SIG, 8) == 0) { |
| 136 | break; |
| 137 | } |
| 138 | acpi_start++; |
| 139 | } |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 140 | |
| 141 | /* Now, if we found the RSDP, we take the RSDT and XSDT pointer |
| 142 | * from it in order to write the low RSDP |
| 143 | */ |
| 144 | if (acpi_start < new_high_table_pointer) { |
Stefan Reinauer | b657a3c | 2009-07-21 21:38:33 +0000 | [diff] [blame] | 145 | acpi_rsdp_t *low_rsdp = (acpi_rsdp_t *)rom_table_end, |
| 146 | *high_rsdp = (acpi_rsdp_t *)acpi_start; |
| 147 | |
Vladimir Serbinenko | 351fefc | 2014-10-26 20:42:08 +0100 | [diff] [blame] | 148 | /* Technically rsdp length varies but coreboot always |
| 149 | writes longest size available. */ |
| 150 | memcpy(low_rsdp, high_rsdp, sizeof(acpi_rsdp_t)); |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 151 | } else { |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 152 | printk(BIOS_ERR, "ERROR: Didn't find RSDP in high table.\n"); |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 153 | } |
Patrick Georgi | bab4f92 | 2009-05-26 19:39:14 +0000 | [diff] [blame] | 154 | rom_table_end = ALIGN(rom_table_end + sizeof(acpi_rsdp_t), 16); |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 155 | } else { |
| 156 | rom_table_end = write_acpi_tables(rom_table_end); |
| 157 | rom_table_end = ALIGN(rom_table_end, 1024); |
Myles Watson | fa12b67 | 2009-04-30 22:45:41 +0000 | [diff] [blame] | 158 | } |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 159 | |
Patrick Georgi | 8f047de | 2009-05-13 14:39:59 +0000 | [diff] [blame] | 160 | #endif |
Sven Schnelle | 164bcfd | 2011-08-14 20:56:34 +0200 | [diff] [blame] | 161 | #define MAX_SMBIOS_SIZE 2048 |
| 162 | #if CONFIG_GENERATE_SMBIOS_TABLES |
| 163 | high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_SMBIOS, MAX_SMBIOS_SIZE); |
| 164 | if (high_table_pointer) { |
| 165 | unsigned long new_high_table_pointer; |
Steven J. Magnani | d94e1d6 | 2005-09-12 18:41:30 +0000 | [diff] [blame] | 166 | |
Sven Schnelle | 164bcfd | 2011-08-14 20:56:34 +0200 | [diff] [blame] | 167 | new_high_table_pointer = smbios_write_tables(high_table_pointer); |
| 168 | rom_table_end = ALIGN(rom_table_end, 16); |
| 169 | memcpy((void *)rom_table_end, (void *)high_table_pointer, sizeof(struct smbios_entry)); |
| 170 | rom_table_end += sizeof(struct smbios_entry); |
| 171 | |
| 172 | if (new_high_table_pointer > ( high_table_pointer + MAX_SMBIOS_SIZE)) { |
| 173 | printk(BIOS_ERR, "ERROR: Increase SMBIOS size\n"); |
| 174 | } |
Martin Roth | e369010 | 2016-01-06 15:21:02 -0700 | [diff] [blame] | 175 | printk(BIOS_DEBUG, "SMBIOS tables: %ld bytes.\n", |
Sven Schnelle | 164bcfd | 2011-08-14 20:56:34 +0200 | [diff] [blame] | 176 | new_high_table_pointer - high_table_pointer); |
| 177 | } else { |
| 178 | unsigned long new_rom_table_end = smbios_write_tables(rom_table_end); |
| 179 | printk(BIOS_DEBUG, "SMBIOS size %ld bytes\n", new_rom_table_end - rom_table_end); |
| 180 | rom_table_end = ALIGN(new_rom_table_end, 16); |
| 181 | } |
| 182 | #endif |
Robert Millan | 81af3d4 | 2008-11-11 20:20:54 +0000 | [diff] [blame] | 183 | |
Aaron Durbin | 5a767fd | 2013-03-23 00:12:19 -0500 | [diff] [blame] | 184 | post_code(0x9e); |
| 185 | |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 186 | post_code(0x9d); |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 187 | |
Uwe Hermann | 312673c | 2009-10-27 21:49:33 +0000 | [diff] [blame] | 188 | high_table_pointer = (unsigned long)cbmem_add(CBMEM_ID_CBTABLE, MAX_COREBOOT_TABLE_SIZE); |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 189 | |
| 190 | if (high_table_pointer) { |
| 191 | unsigned long new_high_table_pointer; |
| 192 | |
Kyösti Mälkki | 1ae305e | 2013-09-04 13:05:01 +0300 | [diff] [blame] | 193 | /* FIXME: The high_table_base parameter is not reference when tables are high, |
| 194 | * or high_table_pointer >1 MB. |
| 195 | */ |
Kyösti Mälkki | 1ae305e | 2013-09-04 13:05:01 +0300 | [diff] [blame] | 196 | u64 fixme_high_tables_base = 0; |
Kyösti Mälkki | 1ae305e | 2013-09-04 13:05:01 +0300 | [diff] [blame] | 197 | |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 198 | /* Also put a forwarder entry into 0-4K */ |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 199 | new_high_table_pointer = write_coreboot_table(low_table_start, low_table_end, |
Kyösti Mälkki | 1ae305e | 2013-09-04 13:05:01 +0300 | [diff] [blame] | 200 | fixme_high_tables_base, high_table_pointer); |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 201 | |
| 202 | if (new_high_table_pointer > (high_table_pointer + |
| 203 | MAX_COREBOOT_TABLE_SIZE)) |
Stefan Reinauer | c02b4fc | 2010-03-22 11:42:32 +0000 | [diff] [blame] | 204 | printk(BIOS_ERR, "%s: coreboot table didn't fit (%lx)\n", |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 205 | __func__, new_high_table_pointer - |
| 206 | high_table_pointer); |
| 207 | |
Martin Roth | e369010 | 2016-01-06 15:21:02 -0700 | [diff] [blame] | 208 | printk(BIOS_DEBUG, "coreboot table: %ld bytes.\n", |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 209 | new_high_table_pointer - high_table_pointer); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 210 | } else { |
Stefan Reinauer | f2152ec | 2009-05-26 14:07:44 +0000 | [diff] [blame] | 211 | /* The coreboot table must be in 0-4K or 960K-1M */ |
Paul Menzel | ddea942 | 2014-02-03 08:36:51 +0100 | [diff] [blame] | 212 | write_coreboot_table(low_table_start, low_table_end, |
Juhana Helovuo | 6b56e43 | 2010-09-13 14:47:22 +0000 | [diff] [blame] | 213 | rom_table_start, rom_table_end); |
Stefan Reinauer | efab4ba | 2009-03-17 14:38:48 +0000 | [diff] [blame] | 214 | } |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 215 | |
Stefan Reinauer | 3e4e303 | 2013-03-20 14:08:04 -0700 | [diff] [blame] | 216 | /* Print CBMEM sections */ |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 217 | cbmem_list(); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 218 | } |