Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | This software and ancillary information (herein called SOFTWARE ) |
| 3 | called LinuxBIOS is made available under the terms described |
| 4 | here. The SOFTWARE has been approved for release with associated |
| 5 | LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has |
| 6 | been authored by an employee or employees of the University of |
| 7 | California, operator of the Los Alamos National Laboratory under |
| 8 | Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The |
| 9 | U.S. Government has rights to use, reproduce, and distribute this |
| 10 | SOFTWARE. The public may copy, distribute, prepare derivative works |
| 11 | and publicly display this SOFTWARE without charge, provided that this |
| 12 | Notice and any statement of authorship are reproduced on all copies. |
| 13 | Neither the Government nor the University makes any warranty, express |
| 14 | or implied, or assumes any liability or responsibility for the use of |
| 15 | this SOFTWARE. If SOFTWARE is modified to produce derivative works, |
| 16 | such modified SOFTWARE should be clearly marked, so as not to confuse |
| 17 | it with the version available from LANL. |
| 18 | */ |
| 19 | /* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL |
| 20 | * rminnich@lanl.gov |
| 21 | */ |
| 22 | |
| 23 | |
| 24 | /* |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 25 | * C Bootstrap code for the coreboot |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 26 | */ |
| 27 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 28 | #include <console/console.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 29 | #include <version.h> |
Eric Biederman | 5899fd8 | 2003-04-24 06:25:08 +0000 | [diff] [blame] | 30 | #include <device/device.h> |
| 31 | #include <device/pci.h> |
Eric Biederman | 9b4336c | 2003-07-19 04:28:22 +0000 | [diff] [blame] | 32 | #include <delay.h> |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 33 | #include <stdlib.h> |
Stefan Reinauer | de3206a | 2010-02-22 06:09:43 +0000 | [diff] [blame] | 34 | #include <reset.h> |
Stefan Reinauer | 7e9771c | 2009-04-22 08:17:38 +0000 | [diff] [blame] | 35 | #include <boot/tables.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 36 | #include <boot/elf.h> |
Peter Stuge | 483b7bb | 2009-04-14 07:40:01 +0000 | [diff] [blame] | 37 | #include <cbfs.h> |
Ronald G. Minnich | 9764d4c | 2012-06-12 16:29:32 -0700 | [diff] [blame] | 38 | #include <lib.h> |
Stefan Reinauer | 0867062 | 2009-06-30 15:17:49 +0000 | [diff] [blame] | 39 | #if CONFIG_HAVE_ACPI_RESUME |
Rudolf Marek | a572f83 | 2009-04-13 17:57:44 +0000 | [diff] [blame] | 40 | #include <arch/acpi.h> |
Stefan Reinauer | 3935b19 | 2009-04-14 06:38:15 +0000 | [diff] [blame] | 41 | #endif |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 42 | #if CONFIG_WRITE_HIGH_TABLES |
| 43 | #include <cbmem.h> |
| 44 | #endif |
Stefan Reinauer | d37ab45 | 2012-12-18 16:23:28 -0800 | [diff] [blame^] | 45 | #include <coverage.h> |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 46 | #include <timestamp.h> |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 47 | |
Li-Ta Lo | 3a81285 | 2004-12-03 22:39:34 +0000 | [diff] [blame] | 48 | /** |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 49 | * @brief Main function of the RAM part of coreboot. |
Li-Ta Lo | 3a81285 | 2004-12-03 22:39:34 +0000 | [diff] [blame] | 50 | * |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 51 | * Coreboot is divided into Pre-RAM part and RAM part. |
| 52 | * |
Li-Ta Lo | 3a81285 | 2004-12-03 22:39:34 +0000 | [diff] [blame] | 53 | * Device Enumeration: |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 54 | * In the dev_enumerate() phase, |
Li-Ta Lo | 3a81285 | 2004-12-03 22:39:34 +0000 | [diff] [blame] | 55 | */ |
Rudolf Marek | a572f83 | 2009-04-13 17:57:44 +0000 | [diff] [blame] | 56 | |
Maciej Pijanka | ea92185 | 2009-10-27 14:29:29 +0000 | [diff] [blame] | 57 | void hardwaremain(int boot_complete); |
| 58 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 59 | void hardwaremain(int boot_complete) |
| 60 | { |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 61 | struct lb_memory *lb_mem; |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 62 | |
| 63 | timestamp_stash(TS_START_RAMSTAGE); |
Alexandru Gagniuc | 5005bb06 | 2011-04-11 20:17:22 +0000 | [diff] [blame] | 64 | post_code(POST_ENTRY_RAMSTAGE); |
Li-Ta Lo | 6a8745ae | 2004-05-13 20:39:07 +0000 | [diff] [blame] | 65 | |
Stefan Reinauer | d37ab45 | 2012-12-18 16:23:28 -0800 | [diff] [blame^] | 66 | #if CONFIG_COVERAGE |
| 67 | coverage_init(); |
| 68 | #endif |
| 69 | |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 70 | /* console_init() MUST PRECEDE ALL printk()! */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 71 | console_init(); |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 72 | |
Alexandru Gagniuc | 5005bb06 | 2011-04-11 20:17:22 +0000 | [diff] [blame] | 73 | post_code(POST_CONSOLE_READY); |
arch import user (historical) | 54d6b08 | 2005-07-06 17:17:41 +0000 | [diff] [blame] | 74 | |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 75 | printk(BIOS_NOTICE, "coreboot-%s%s %s %s...\n", |
Stefan Reinauer | f8ee180 | 2008-01-18 15:08:58 +0000 | [diff] [blame] | 76 | coreboot_version, coreboot_extra_version, coreboot_build, |
Li-Ta Lo | 3a81285 | 2004-12-03 22:39:34 +0000 | [diff] [blame] | 77 | (boot_complete)?"rebooting":"booting"); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 78 | |
Alexandru Gagniuc | 5005bb06 | 2011-04-11 20:17:22 +0000 | [diff] [blame] | 79 | post_code(POST_CONSOLE_BOOT_MSG); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 80 | |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 81 | /* If we have already booted attempt a hard reboot */ |
| 82 | if (boot_complete) { |
| 83 | hard_reset(); |
| 84 | } |
Li-Ta Lo | e526669 | 2004-03-23 21:28:05 +0000 | [diff] [blame] | 85 | |
Eric Biederman | 7003ba4 | 2004-10-16 06:20:29 +0000 | [diff] [blame] | 86 | /* FIXME: Is there a better way to handle this? */ |
Stefan Reinauer | 14e2277 | 2010-04-27 06:56:47 +0000 | [diff] [blame] | 87 | init_timer(); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 88 | |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 89 | timestamp_stash(TS_DEVICE_ENUMERATE); |
Nico Huber | acd7d95 | 2012-07-25 10:33:05 +0200 | [diff] [blame] | 90 | |
| 91 | /* Initialize chips early, they might disable unused devices. */ |
| 92 | dev_initialize_chips(); |
| 93 | |
Eric Biederman | 018d8dd | 2004-11-04 11:04:33 +0000 | [diff] [blame] | 94 | /* Find the devices we don't have hard coded knowledge about. */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 95 | dev_enumerate(); |
Alexandru Gagniuc | 5005bb06 | 2011-04-11 20:17:22 +0000 | [diff] [blame] | 96 | post_code(POST_DEVICE_ENUMERATION_COMPLETE); |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 97 | |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 98 | timestamp_stash(TS_DEVICE_CONFIGURE); |
Eric Biederman | 018d8dd | 2004-11-04 11:04:33 +0000 | [diff] [blame] | 99 | /* Now compute and assign the bus resources. */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 100 | dev_configure(); |
Alexandru Gagniuc | 5005bb06 | 2011-04-11 20:17:22 +0000 | [diff] [blame] | 101 | post_code(POST_DEVICE_CONFIGURATION_COMPLETE); |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 102 | |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 103 | timestamp_stash(TS_DEVICE_ENABLE); |
Eric Biederman | 018d8dd | 2004-11-04 11:04:33 +0000 | [diff] [blame] | 104 | /* Now actually enable devices on the bus */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 105 | dev_enable(); |
Stefan Reinauer | 52095f5 | 2012-08-07 13:14:20 -0700 | [diff] [blame] | 106 | post_code(POST_DEVICES_ENABLED); |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 107 | |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 108 | timestamp_stash(TS_DEVICE_INITIALIZE); |
Eric Biederman | 018d8dd | 2004-11-04 11:04:33 +0000 | [diff] [blame] | 109 | /* And of course initialize devices on the bus */ |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 110 | dev_initialize(); |
Stefan Reinauer | 52095f5 | 2012-08-07 13:14:20 -0700 | [diff] [blame] | 111 | post_code(POST_DEVICES_INITIALIZED); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 112 | |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 113 | timestamp_stash(TS_DEVICE_DONE); |
Rudolf Marek | 3294a0f1 | 2012-04-24 16:01:24 +0200 | [diff] [blame] | 114 | |
Patrick Georgi | e166782 | 2012-05-05 15:29:32 +0200 | [diff] [blame] | 115 | #if CONFIG_WRITE_HIGH_TABLES |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 116 | cbmem_initialize(); |
Vadim Bendebury | 1078c67 | 2011-09-30 11:16:49 -0700 | [diff] [blame] | 117 | #if CONFIG_CONSOLE_CBMEM |
| 118 | cbmemc_reinit(); |
| 119 | #endif |
Stefan Reinauer | 3b31402 | 2009-10-26 17:04:28 +0000 | [diff] [blame] | 120 | #endif |
Stefan Reinauer | 4221a19 | 2012-10-15 15:23:20 -0700 | [diff] [blame] | 121 | timestamp_sync(); |
Stefan Reinauer | bdc64c6 | 2012-10-15 13:41:56 -0700 | [diff] [blame] | 122 | |
| 123 | #if CONFIG_HAVE_ACPI_RESUME |
| 124 | suspend_resume(); |
| 125 | post_code(0x8a); |
| 126 | #endif |
| 127 | |
Stefan Reinauer | bb11e60 | 2012-05-10 12:15:18 -0700 | [diff] [blame] | 128 | timestamp_add_now(TS_CBMEM_POST); |
| 129 | |
Denis 'GNUtoo' Carikli | 14b248b | 2012-09-22 14:52:24 +0200 | [diff] [blame] | 130 | #if CONFIG_WRITE_HIGH_TABLES |
Stefan Reinauer | bb11e60 | 2012-05-10 12:15:18 -0700 | [diff] [blame] | 131 | if (cbmem_post_handling) |
| 132 | cbmem_post_handling(); |
Denis 'GNUtoo' Carikli | 14b248b | 2012-09-22 14:52:24 +0200 | [diff] [blame] | 133 | #endif |
Stefan Reinauer | bb11e60 | 2012-05-10 12:15:18 -0700 | [diff] [blame] | 134 | |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 135 | timestamp_add_now(TS_WRITE_TABLES); |
| 136 | |
Eric Biederman | b78c197 | 2004-10-14 20:54:17 +0000 | [diff] [blame] | 137 | /* Now that we have collected all of our information |
| 138 | * write our configuration tables. |
| 139 | */ |
| 140 | lb_mem = write_tables(); |
Stefan Reinauer | bf729ba | 2011-11-04 12:31:58 -0700 | [diff] [blame] | 141 | |
| 142 | timestamp_add_now(TS_LOAD_PAYLOAD); |
Ronald G. Minnich | 9764d4c | 2012-06-12 16:29:32 -0700 | [diff] [blame] | 143 | |
| 144 | void *payload; |
| 145 | payload = cbfs_load_payload(lb_mem, CONFIG_CBFS_PREFIX "/payload"); |
| 146 | if (! payload) |
| 147 | die("Could not find a payload\n"); |
| 148 | |
Ronald G. Minnich | 9764d4c | 2012-06-12 16:29:32 -0700 | [diff] [blame] | 149 | selfboot(lb_mem, payload); |
| 150 | printk(BIOS_EMERG, "Boot failed"); |
Eric Biederman | 8ca8d76 | 2003-04-22 19:02:15 +0000 | [diff] [blame] | 151 | } |
| 152 | |